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1 2005-06-14  Richard Sandiford  <richard@codesourcery.com>
2
3         * opt-functions.awk (global_state_p, needs_state_p, static_var): New.
4         (var_ref): Take the option's flags as a second parameter.  Check
5         static_var.
6         * optc-gen.awk: Declare local state variables.  Pass flags to var_ref.
7
8 2005-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
9
10         PR target/20301
11         * config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
12         unsigned index numbers.
13
14 2005-06-13  Geoffrey Keating  <geoffk@apple.com>
15
16         * Makefile.in (install-man): Doesn't really depend on installdirs.
17         (various rules for installing manpages): Do depend on installdirs.
18
19 2005-06-14  Nathan Sidwell  <nathan@codesourcery.com>
20
21         * unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in
22         read_encoded_value_with_base call.
23         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
24         * unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise.
25         * unwind-dw2.c (extract_cie_info): Fix aliasing in
26         read_encoded_value call.
27         (execute_cfa_program, uw_frame_state_for): Likewise.
28
29 2005-06-13  Roger Sayle  <roger@eyesopen.com>
30
31         PR rtl-optimization/22053
32         * reg-stack.c (compensate_edge): Correct mistake in the assertion
33         checking of EDGE_ABNORMAL_CALL edges; complex return values can
34         result in the top two stack slots, st(0) and st(1), being live.
35
36 2005-06-13  Jeff Law  <law@redhat.com>
37
38         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer
39         simplify DIV, MOD or ABS expressions using VRP information.
40         Remove WALK_DATA parameter.  Prototype and all callers updated.
41         (eliminate_redundant_computations): Remove WALK_DATA parameter.
42         Prototype and all callers updated.
43         (optimize_stmt): WALK_DATA parameter is now unused.
44
45         * tree-vrp.c (local_fold): New function.  Like fold, but
46         strips useless type conversions in the result.
47         (simplify_using_ranges): New function, largely cribbed from
48         tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr.
49         (vrp_finalize): Call simplify_using_ranges.
50
51 2005-06-13  Mark Mitchell  <mark@codesourcery.com>
52
53         * config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the
54         assembler in 64-bit mode.
55
56 2005-06-13  David Edelsohn  <edelsohn@gnu.org>
57
58         Revert scc_operand patch.
59         * config/rs6000/predicates.md (scc_operand): Delete.
60         * config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand.
61
62 2005-06-13  Jakub Jelinek  <jakub@redhat.com>
63
64         * trans-expr.c (gfc_conv_function_call): Return int instead of
65         void.  Use a local variable for has_alternate_specifier and
66         return it.  Avoid modification of function type's return value
67         in place, since it may be shared.
68         * trans.h (has_alternate_specifier): Remove.
69         (gfc_conv_function_call): Change return type.
70         * trans-stmt.c (has_alternate_specifier): Remove.
71         (gfc_trans_call): Add a local has_alternate_specifier variable,
72         set it from gfc_conv_function_call return value.
73
74 2005-06-13  Zdenek Dvorak  <dvorakz@suse.cz>
75
76         PR middle-end/21985
77         * fold-const.c (split_address_to_core_and_offset): Always return
78         the address of the base object.
79
80 2005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
81
82         * doc/invoke.texi (Blackfin Options): Document -mlong-calls.
83
84 2005-06-12  Richard Henderson  <rth@redhat.com>
85
86         PR tree-opt/21994
87         * tree-complex.c (update_complex_components_on_edge): New.
88         (update_parameter_components): Use it.
89         (update_phi_components): Likewise.
90         (expand_complex_move): Likewise for is_ctrl_altering_stmt.
91
92 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
93
94         PR tree-optimization/14796
95         * fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C)
96         for unsigned types.
97
98 2005-06-12  Kazu Hirata  <kazu@codesourcery.com>
99
100         * cgraphunit.c, tree-ssa-loop-ivopts.c,
101         tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
102         config/sparc/sparc.c: Fix comment typos.
103
104 2005-06-12  Richard Earnshaw  <richard.earnshaw@arm.com>
105
106         * arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple)
107         (aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment.
108         * arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt)
109         (aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise.
110
111 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
112
113         PR tree-optimization/14796
114         * fold-const.c (fold_binary): Transform (A >> C) << C into
115         one BIT_AND_EXPR.
116         <shift>: Transform (A OP c1) OP c2 into A OP (c1 + c2).
117
118 2005-06-11  Geoffrey Keating  <geoffk@apple.com>
119
120         * config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete.
121         (reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand.
122         Handle SImode.
123         (reg_or_sub_cint_operand): Likewise.
124         (mask_operand): Handle DImode.
125         (mask64_operand): Delete.
126         (and64_operand): Delete.
127         * config/rs6000/rs6000.c (num_insns_constant): Use mask_operand
128         instead of mask64_operand.
129         (print_operand): Likewise.
130         (rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and
131         reg_or_sub_cint_operand instead of *64_* variants.
132         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand
133         instead of mask64_operand.
134         * config/rs6000/rs6000.md: Use mask_operand and and_operand instead
135         of *64_* variants.
136         (FP): New.
137         (add_op2): Delete.
138         (add<mode>3): Use reg_or_add_cint_operand.
139         (sub_op2): Delete.
140         (sub<mode>3): Use reg_or_sub_cint_operand.
141         (udiv<mode>3, div<mode>3, div<mode>3_no_mq, mod<mode>3,
142         mov<mode>_internal2, mov<mode>, cmp<mode>, cmp<mode>,
143         cmp<mode>_internal1, indirect_jump<mode>, ctr<mode>,
144         ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
145         ctr<mode>_internal6, save_fpregs_<mode>, return_internal_<mode>,
146         return_and_restore_fpregs_<mode>, eh_set_lr_<mode>,
147         various unnamed patterns): New.
148         (udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi,
149         cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1,
150         ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si,
151         return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si,
152         udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi,
153         cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1,
154         ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di,
155         return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di,
156         movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns):
157         Delete.
158
159 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
160
161         * rtl.h (to_rtx_code): Remove.
162         * machmode.h (to_machine_mode): Likewise.
163         * read-rtl.c (apply_mode_macro): Replace to_machine_mode with
164         explicit cast.
165         (apply_mode_maps): Likewise.
166         (read_rtx_1): Likewise.
167         (apply_code_macro): Replace to to_rtx_code with explicit cast.
168         (check_code_macro): Likewise.
169         (read_rtx_1): Likewise.
170
171 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
172
173         * c-typeck.c (convert_for_assignment): Avoid checking
174         OPT_Wc___compat, as it is always true.
175
176 2005-06-11  David Edelsohn  <edelsohn@gnu.org>
177
178         * config/rs6000/rs6000.md (eq<mode>_compare): Restrict to Pmode.
179
180 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
181
182         Fix PR tree-optimization/22005
183         Fix PR tree-optimization/22025
184         
185         * tree-ssa-structalias.c (struct variable_info): Add has_union
186         member.
187         (create_variable_info_for):  Mark variables containing unions.
188         Don't sort the field stack if notokay is true.
189         (find_what_p_points_to): Convert variables containing unions back
190         to their SFT's if necessary.
191         
192 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
193
194         * lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
195         is an INTEGER_CST before calling int_cst_value.
196
197 2005-06-10  Uros Bizjak  <uros@kss-loka.si>
198
199         PR target/21981
200         * config/i386/i386.c (ix86_function_value_regno_p): Return true
201         for FIRST_MMX_REG if TARGET_MMX.
202         (ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete
203         wrong comment.
204         (ix86_struct_value_rtx): Emit warning for MMX ABI violations.
205         (ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes.
206
207 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
208
209         * lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
210         and access function against chrec_dont_know.
211           
212 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
213
214         * lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
215         slightly.
216         (exit_phi_for_loop_p): New function.
217         (can_put_in_inner_loop): Ditto.
218         (can_convert_to_perfect_nest): Ditto.
219         (perfect_nestify): Create iv with right type.
220         Rewrite statements in correct order.    
221
222 2005-06-10  Keith Besaw  <kbesaw@us.ibm.com>
223
224         * tree-ssa-alias.c (new_type_alias): Use existing type
225         tag if VAR has just one in its may_aliases list.
226
227 2005-06-10  Fariborz Jahanian <fjahanian@apple.com>
228
229         * rs6000/predicates.md (scc_operand): New.
230         * rs6000/rs6000.md : Use scc_operand for eq:SI compares.
231
232 2005-06-10  Dorit Nuzman  <dorit@il.ibm.com>
233
234         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose
235         dependence-distance modulo VF is 0 are recorded in the 
236         SAME_ALIGN_REFs VEC in each DR.
237         (vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
238         alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
239         DR we want to peel for, is set to 0.
240         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
241         * tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
242         VEC.
243         * tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
244         (_stmt_vec_info): Added new field same_align_refs.
245         (STMT_VINFO_SAME_ALIGN_REFS): New macro.
246
247 2005-06-10  Nathan Sidwell  <nathan@codesourcery.com>
248
249         * vec.h (VEC_safe_grow): Append MEM_STAT_INFO.
250
251 2005-06-10  Alan Modra  <amodra@bigpond.net.au>
252
253         * config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
254         * config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
255         * config/rs6000/rs6000.c (output_function_profiler): Obey
256         NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
257         for -fPIC.  Delete save_lr and substitute its value into strings.
258
259 2005-06-09  Dale Johannesen  <dalej@apple.com>
260
261         * config/i386/i386.c (optimization_options):  Make -fno-math-errno
262         the default on Darwin.
263         * config/rs6000/rs6000.c (optimization_options):  Ditto.
264         * doc/invoke.texi (-fno-math-errno): Document.
265
266 2005-06-09  Dale Johannesen  <dalej@apple.com>
267
268         * config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP):
269         Change to TARGET_INVALID_WITHIN_DOLOOP.
270
271 2005-06-09  David Edelsohn  <edelsohn@gnu.org>
272
273         * config/rs6000/rs6000.md (eq): Convert to define_insn_and_split.
274         * config/rs6000/predicates.md (scc_eq_operand): New.
275
276 2005-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>
277
278         * config/sh/sh.md (mextr_rl): Set buffer size properly.
279         (*mextr_lr): Likewise.
280
281 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
282
283         PR c/21759
284         * c.opt (Wc++-compat): New.
285         * doc/invoke.texi (-Wc++-compat): Document.
286         * c-typeck.c (convert_for_assignment): Check for implicit
287         conversion void* -> T*.
288
289 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.edu>
290
291         * machmode.h (to_machine_mode): New.
292         * rtl.h (to_rtx_code): Likewise.
293         * read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
294         (print_c_condition): Convert return value of htab_find().
295         (apply_code_macro): Add explicit cast when convertin to enums.
296         (apply_mode_maps): Likewise.
297         (check_code_macro): Likewise.
298         (read_rtx_1): Likewise.
299
300 2005-06-09  Richard Henderson  <rth@redhat.com>
301
302         * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
303         Use SCALAR_FLOAT_MODE_P.
304         * config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
305         (fselect): Rename from fpcmp; use %F.
306         (fpcmp): New.
307
308 2005-06-09  Jan Hubicka  <jh@suse.cz>
309
310         * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
311         local statics when doing unit-at-a-time.
312         (cgraph_varpool_assemble_pending_decls): Output debug info.
313         * dwarf2out.c (decls_for_scope): Skip local statics.
314         (dwarf2out_decl): Handle local statics.
315         * passes.c (rest_of_decl_compilation): Do not differentiate
316         local and global statics in unit-at-a-time.
317         * tree-inline.c (remap_decls): Put local static into
318         unexpanded_vars_list rather than introducing duplicated VAR_DECL
319         node.
320
321 2005-06-09  Daniel Berlin  <dberlin@dberlin.org>
322
323         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
324         prototype.
325
326 2005-06-08  Daniel Berlin  <dberlin@dberlin.org>
327
328         * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
329         * tree-flow.h (find_what_p_points_to): Add prototype.
330         (push_fields_onto_fieldstack): Ditto.
331         (sort_fieldstack): Ditto.
332         * tree-optimize.c (init_tree_optimization_passes): Add
333         pass_build_pta and pass_del_pta.
334         * tree-pass.h (pass_build_pta): New structure.
335         (pass_del_pta): Ditto.
336         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
337         using new alias analyzer.
338         (push_fields_onto_fieldstack): Removed from here.
339         (bitpos_of_field): Ditto.
340         (fieldoff_compare): Ditto.
341         * tree-ssa-structalias.c: New file.
342         * tree-ssa-structalias.h: Ditto.
343
344 2005-06-09  Nathan Sidwell  <nathan@codesourcery.com>
345
346         * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
347         too.
348
349 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
350
351         * config/bfin/bfin.c (enum bfin_builtins): Moved here from...
352         * config/bfin/bfin.h (enum bfin_builtins): ... here.
353
354 2005-06-09  Adrian Straetling  <straetling@de.ibm.com>
355
356         * target.h (insn_valid_within_doloop): Rename into
357         "invalid_within_doloop".  Change return type to "const char *".
358         Update Comment.
359         * targhooks.h (default_insn_valid_within_doloop): Rename into
360         "default_invalid_within_doloop". 
361         * targhooks.c (default_insn_valid_within_doloop): Likewise.
362         Update Comment.
363         * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
364         into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
365         "default_invalid_within_doloop".
366         * hooks.c (hook_constcharptr_rtx_null): New function.
367         (hook_bool_rtx_true): Remove.
368         * hooks.h (hook_constcharptr_rtx_null): Declare.
369         (hook_bool_rtx_true): Remove.
370         * loop-doloop.c (doloop_valid_p): Temporarily store return value of
371         "invalid_within_doloop" and print error message if non-null.
372         Update Comment.
373         * doc/tm.texi: Update documentation.
374         * config/s390/s390.c: Adjust to new hook name and new default hook.
375         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
376         into "rs6000_invalid_within_doloop".
377         (rs6000_invalid_within_doloop): Change return type to "static const
378         char *" and replace return values.  Update Comment.
379
380 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
381
382         * config/bfin/bfin.opt (mlong-calls): New.
383         * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
384         if TARGET_LONG_CALLS.
385
386 2005-06-09  Richard Henderson  <rth@redhat.com>
387
388         PR tree-opt/20610
389         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
390         (struct tree_decl): Add gimple_reg_flag.
391         * integrate.c (copy_decl_for_inlining): Copy it.
392         * gimplify.c (internal_get_tmp_var): Set it.
393         (gimplify_bind_expr): Likewise.
394         (gimplify_function_tree): Likewise.
395         (gimplify_modify_expr_complex_part): New.
396         (gimplify_modify_expr): Use it.
397         * tree-gimple.c (is_gimple_reg_type): Allow complex.
398         (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.
399
400         * tree-complex.c (complex_lattice_t): New.
401         (complex_lattice_values, complex_variable_components): New.
402         (some_nonzerop, find_lattice_value, is_complex_reg,
403         init_parameter_lattice_values, init_dont_simulate_again, 
404         complex_visit_stmt, complex_visit_phi, create_components,
405         update_complex_components, update_parameter_components, 
406         update_phi_components, update_all_vops, expand_complex_move): New.
407         (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
408         SSA_NAME.
409         (update_complex_assignment): Use update_complex_components;
410         handle updates of return_expr properly.
411         (expand_complex_addition): Use complex lattice values.
412         (expand_complex_multiplication): Likewise.
413         (expand_complex_division): Likewise.
414         (expand_complex_libcall): Use update_complex_components.
415         (expand_complex_comparison): Use update_stmt.
416         (expand_complex_operations_1): Use expand_complex_move, retrieve
417         lattice values.
418         (tree_lower_complex): Compute lattice values.
419         (tree_lower_complex_O0): Duplicate from tree_lower_complex.
420         (pass_lower_complex_O0): Rename from pass_lower_complex.
421         (pass_lower_complex, gate_no_optimization): New.
422         * tree-optimize.c (init_tree_optimization_passes): Update for
423         complex pass changes.
424         * tree-pass.h (pass_lower_complex_O0): Declare.
425
426 2005-06-08  Dale Johannesen  <dalej@apple.com>
427
428         * config/darwin.c (darwin_binds_local_p):  New.
429         * config/darwin-protos.h (darwin_binds_local_p):  Declare it.
430         * config/i386/i386.c (TARGET_BINDS_LOCAL_P):  Use it for TARGET_MACHO.
431         * config/rs6000/rs6000.c (rs6000_binds_local_p):  Remove.
432         (TARGET_BINDS_LOCAL_P):  Change it to darwin_binds_local_p.
433
434 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
435
436         * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
437         rs6000_isel, rs6000_spe, rs6000_alignment_string,
438         rs6000_sched_restricted_insns_priority_str,
439         rs6000_sched_restricted_insns_priority, rs6000_abi_string.
440
441 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
442
443         * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
444         instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
445         * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
446         multiplier_allowed_in_address_p, get_address_cost): Ditto.
447
448 2005-06-08  Richard Henderson  <rth@redhat.com>
449
450         * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
451         * config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
452         Emit out3 load right after alloc.
453
454 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
455
456         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
457         rs6000_explicit_options.
458
459 2005-06-08  Richard Henderson  <rth@redhat.com>
460
461         * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
462         * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
463         unwind markup.
464         * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.
465
466 2005-06-08  Joseph S. Myers  <joseph@codesourcery.com>
467
468         * config/sol2-c.c (cmn_err_char_table): Allow width for %b
469         formats.
470
471 2005-06-08  James A. Morrison  <phython@gcc.gnu.org>
472
473         PR target/20666
474         * config/sparc/sparc.c (sparc_fold_builtin): New function
475         (sparc_vis_mul8x16): New function.
476         (sparc_handle_vis_mul8x16): New function.
477         (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.
478
479 2005-06-08  David Edelsohn  <edelsohn@gnu.org>
480
481         * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
482         CTR to LR.
483         (call_indirect_nonlocal_aix64): Same.
484         (call_value_indirect_nonlocal_aix32): Same.
485         (call_value_indirect_nonlocal_aix64): Same.
486
487         PR target/10588
488         (eq): Use CLZ splitter for compare with zero.
489
490 2005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>
491
492         * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
493         everything larger than 8 bytes in memory.
494
495         * config/bfin/bfin.h (enum bfin_builtins): New.
496         * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
497         New constants.
498         (csync, ssync): New insn patterns.
499         * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
500         New functions.
501         (def_builtin): New macro.
502         (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
503
504         From Jie Zhang  <jie.zhang@analog.com>
505         * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
506         behavior of the native assembler in VDSP. So change accordingly.
507         
508 2005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>
509
510         * tree-data-ref.c (compute_estimated_nb_iterations,
511         analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
512         analyze_subscript_affine_affine, find_data_references_in_loop):
513         Fixed to use chrec_contains_undetermined to test the values of
514         loop->estimated_nb_iterations.
515         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
516         Compute the estimation only when loop->estimated_nb_iterations
517         has not yet been initialized.
518         (convert_step_widening, scev_probably_wraps_p): Add a call to
519         estimate_numbers_of_iterations_loop.
520         * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.
521
522 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
523
524         PR debug/21946
525         * dwarf2out.c (add_loc_descr_op_piece): Move to the
526         DWARF2_DEBUGGING_INFO section.
527
528 2005-06-08  Richard Henderson  <rth@redhat.com>
529
530         PR target/21721
531         * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.
532
533 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
534
535         PR target/21889
536         * target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
537         * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
538         (TARGET_ASM_OUT): Add it.
539         * doc/tm.texi (Debugging Info): Document it.
540         * dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
541         Test it instead of ASM_OUTPUT_DWARF_DTPREL.
542         (loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
543         * system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
544         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
545         * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
546         (gen_inlined_tls_plt): Remove unused variable MEM.
547         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
548         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
549         * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
550         * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
551         unused.
552         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
553         * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
554         * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
555         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
556         unused.
557         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
558         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
559         * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
560         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
561         unused.
562         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
563         * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
564         * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
565         * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
566         unused.
567         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
568         * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
569         * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
570         (TARGET_GNU_TLS): Define to 1.
571         * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
572         * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
573         unused.
574         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
575         if TARGET_GNU_TLS only.
576         * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
577
578         * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
579         (sparc-*-solaris2*): Likewise on Solaris 7 and up.
580
581 2005-06-07  Dale Johannesen  <dalej@apple.com>
582
583         * config/i386/i386.md (movqi_1):  Fix case where source
584         is memory and destination EDI.
585
586 2005-06-08  Kazu Hirata  <kazu@codesourcery.com>
587
588         * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.
589
590 2005-06-07  Eric Christopher  <echristo@redhat.com>
591
592         * system.h: Poison EXTRA_CC_MODES.
593         * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
594         * config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
595         * doc/md.texi (Jump Patterns): Replace reference to
596         EXTRA_CC_MODES with machine-modes.def.
597         * doc/rtl.texi (Machine Modes): Ditto.
598
599 2005-06-07  Richard Henderson  <rth@redhat.com>
600
601         * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
602         (assemble_start_function): Fix strcmp confusion.
603
604 2005-06-07  Uros Bizjak  <uros@kss-loka.si>
605
606         * config/i386/i386.h (enum ix86_entity): New.
607         (enum ix86_stack_slot): New.
608         (OPTIMIZE_MODE_SWITCHING): Redefine to use
609         ix86_optimize_mode_switching[] array.
610         (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
611         (MODE_NEEDED): Use ix86_mode_needed() function.
612         (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
613         function.
614         (struct machine_function): Use optimize_mode_switching[] array.
615
616         * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
617         (ix86_mode_needed): New function.
618         (emit_i387_cw_initialization): Cleanup. Use mode to calculate
619         correct stack positions for stored control words.
620         (assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
621         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
622         SLOT_TEMP.
623         [IX86_BUILTIN_STMXCSR]: Same.
624
625         * config/i386/i386-protos.h (assign_stack_local): Change prototype.
626         (emit_i387_cw_initialization): Change prototype.
627         (ix86_mode_needed): New prototype.
628
629         * config/i386/i386.md (i387_cw attribute): Change order of elements.
630         (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
631         (*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
632         (*fist<mode>2_ceil_1): Change constant in call to
633         assign_386_stack_local to SLOT_TEMP.
634         (*fix_trunc<mode>_i387_1): Change constant in call to
635         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
636         Use new ix86_optimize_mode_switching[] array.
637         (frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
638         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
639         Use new ix86_optimize_mode_switching[] array.
640         (frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
641         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
642         Use new ix86_optimize_mode_switching[] array.
643         (frndintxf2_trunc): Change constants in call to
644         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
645         Use new ix86_optimize_mode_switching[] array.
646         (frndintxf2_mask_pm): Change constants in call to
647         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
648         Use new ix86_optimize_mode_switching[] array.
649
650         (define_peephole2): Change constant from 17 to FLAGS_REG;
651
652 2005-06-07  Richard Henderson  <rth@redhat.com>
653
654         PR rtl-opt/21528
655         * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
656
657 2005-06-07  Dale Johannesen  <dalej@apple.com>
658
659         * tree-nested.c (finalize_nesting_tree_1):  Disable
660         warn_padded around layout_type call.
661
662 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
663
664         * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
665         before emiting it.
666
667 2005-06-07  Eric Christopher  <echristo@redhat.com>
668
669         * config/mips/predicates.md: Revert previous patch.
670
671 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
672
673         PR middle-end/21850
674         * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
675         from vector types.
676
677 2005-06-07  Diego Novillo  <dnovillo@redhat.com>
678
679         * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
680         (thread_stats): New local variable.
681         (redirect_edges): Increment count of threaded edges.
682         (thread_through_all_blocks): Initialize thread_stats.
683         Display number of threaded jumps if TDF_STATS is enabled.
684
685 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
686
687         * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
688         the current bit index with no modulo.
689
690 2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
691
692         PR 18403 and meta PR 21861.
693         * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
694         * tree-chrec.c: Include cfgloop.h and tree-flow.h.
695         (evolution_function_is_invariant_rec_p,
696         evolution_function_is_invariant_p): New.
697         (chrec_convert): Use an extra parameter AT_STMT for refining the
698         information that is passed down to convert_step.  Integrate the 
699         code that was in count_ev_in_wider_type.
700         * tree-chrec.h (count_ev_in_wider_type): Removed.
701         (chrec_convert): Modify its declaration.
702         (evolution_function_is_invariant_p): Declared.
703         (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
704         * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
705         (scev_probably_wraps_p): Declared.
706         * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
707         (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
708         Use an extra parameter AT_STMT for refining the information that is
709         passed down to convert_step.
710         (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
711         analyze_scalar_evolution_1): Initialize AT_STMT with the current
712         analyzed statement.
713         (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
714         * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
715         can_count_iv_in_wider_type to use convert_step.
716         * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
717         code that is independent of the loop over the known iteration
718         bounds to convert_step_widening, the rest is moved to
719         proved_non_wrapping_p.
720         (scev_probably_wraps_p): New.
721         (can_count_iv_in_wider_type): Renamed convert_step.
722         * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
723         Use scev_probably_wraps_p for computing init_is_max.
724         (vrp_visit_assignment): Pass the current analyzed statement to 
725         adjust_range_with_scev.
726         (execute_vrp): Call estimate_numbers_of_iterations for refining the 
727         information provided by scev analyzer.
728
729 2005-06-07  Eric Christopher  <echristo@redhat.com>
730
731         * config/mips/predicates.md (sleu_operand): Use
732         IN_RANGE to specify range of operand.
733
734 2005-06-07  Steven Bosscher  <stevenb@suse.de>
735
736         PR tree-optimization/21847
737         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
738         -fnon-call-exceptions, also mark statements inherently
739         necessary if they may throw.
740
741 2005-06-07  Adrian Straetling  <straetling@de.ibm.com>
742
743         * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
744         ("type"): Add "sem" to 'type' attribute.
745         ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
746         "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
747         "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
748         "*sync_compare_and_swap_ccsi"): New patterns.
749         * config/s390/2064.md: ("z_sem"): New insn_reservation.
750         * config/s390/2084.md: ("x_sem"): New insn_reservation.
751         * config/s390/s390.c: (s390_compare_emitted): New global variable.
752         (s390_emit_compare): Do not emit comparison again after cas.
753         * config/s390/s390.h (s390_compare_emitted): Declare.
754
755 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
756
757         * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
758         sbitmap_iter_cond, sbitmap_iter_next): New.
759         * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
760         modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
761         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
762         uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
763
764 2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
765
766         * tree-ssa-address.c: New file.
767         * Makefile.in (tree-ssa-address.o): Add.
768         * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
769         INDIRECT_REFs.  Handle TARGET_MEM_REFs.
770         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
771         * tree-flow.h (struct mem_address): New.
772         (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
773         (create_mem_ref, addr_for_mem_ref, get_address_description,
774         maybe_fold_tmr, multiplier_allowed_in_address_p,
775         multiply_by_cost):  Declare.
776         * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
777         * tree-pretty-print.c (dump_generic_node): Ditto.
778         * tree-ssa-loop-im.c (for_each_index): Ditto.
779         * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
780         find_interesting_uses_address): Ditto.
781         (rewrite_address_base, build_addr_strip_iref): Removed.
782         (struct affine_tree_combination): Moved to tree-flow.h.
783         (get_ref_tag, copy_ref_info): New functions.
784         (rewrite_use_address): Produce TARGET_MEM_REFs.
785         (tree_ssa_iv_optimize): Do not call update_ssa
786         and rewrite_into_loop_closed_ssa.
787         (tree_to_aff_combination): Use build_fold_addr_expr instead of
788         build_addr_strip_iref.
789         (unshare_aff_combination): New function.
790         (fold_affine_sum): Removed.
791         (get_computation_at): Use get_computation_aff.  Unshare the result.
792         (get_computation_aff, multiplier_allowed_in_address_p): New function.
793         (multiply_by_cost): Exported.
794         (get_address_cost): Use multiplier_allowed_in_address_p.
795         * tree-ssa-operands.c (get_tmr_operands): New function.
796         (get_expr_operands): Handle TARGET_MEM_REFs.
797         * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
798         (build): Handle 7 arguments.
799         (build7_stat): New function.
800         * tree.def (TARGET_MEM_DEF): New.
801         * tree.h (REF_ORIGINAL): Removed.
802         (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
803         TMR_TAG, build7): New macros.
804         (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
805         * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
806         * doc/c-tree.texi: Document TARGET_MEM_REF.
807         * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
808
809 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
810
811         PR debug/21946
812         * dwarf2out.c (add_loc_descr_op_piece): New function.
813         (multiple_reg_loc_descriptor, concat_loc_descriptor,
814         loc_descriptor): Use it.
815         * var-tracking.c: Include regs.h and expr.h.
816         (emit_note_insn_var_location): Skip over pieces where offset
817         is smaller than previous offset plus previous piece mode size.
818         Optimize adjacent hard registers or memory locations.
819         * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
820
821 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
822
823         * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
824         for COND_EXPR.
825         * gimplify.c (gimplify_cond_expr): No need to fix up the
826         type of COND_EXPRs.
827
828 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
829
830         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
831         comments.
832
833 2005-06-07  Geoffrey Keating  <geoffk@apple.com>
834
835         * config/rs6000/host-darwin.c (segv_handler): Widen the possible
836         'stwux' instructions that are considered to be stack decrements.
837
838         * rtlanal.c (subreg_offset_representable_p): Handle objects
839         with holes.
840
841 2005-06-06  Uros Bizjak  <uros@kss-loka.si>
842
843         * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
844         in call to pre_edge_lcm.
845
846 2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
847
848         * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
849         (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
850         (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
851         Likewise.
852         (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
853         dwarf register number for SHmedia.
854         (shmedia_fallback_frame_state): New.
855         (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
856
857         * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
858
859 2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
860
861         * c-lex.c (lex_string): Use XOBFINISH.
862         * collect2.c (extract_string, dump_file): Likewise.
863         * dbxout.c (dbxout_finish_complex_stabs): Likewise.
864         * gcc.c (init_spec, build_search_list, convert_filename, 
865         set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
866         * genpreds.c (write_predicate_subfunction): Likewise.
867         * genflags.c (main): Likewise.
868         * read-rtl.c (mode_attr_index, apply_macro_to_string, 
869         join_c_conditions, read_quoted_string, read_braced_string, 
870         read_rtx_1): Likewise.
871         * stringpool.c (ggc_alloc_string): Likewise.
872         * tlink.c (obstack_fgets, recompile_files): Likewise.
873
874 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
875
876         * intl.h (G_): New macro.
877         * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
878         instead of msgid for argument name.
879         * tree-ssa.c (warn_uninit): Likewise.
880         * c-parser.c (c_parser_error): Likewise.
881         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
882         * config/darwin-c.c (BAD): Likewise.
883         * config/c4x/c4x-c.c (BAD): Likewise.
884         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
885         * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
886         * c-common.c (c_parse_error): Likewise.
887         * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
888         warning0, pedwarn, error, sorry, fatal_error, internal_error):
889         Likewise.
890         (fnotice): Use cmsgid instead of msgid for argument name.
891         * gcov.c (fnotice): Likewise.
892         * protoize.c (notice): Likewise.
893         * final.c (output_operand_lossage): Likewise.
894         * gcc.c (fatal, notice): Likewise.
895         (error): Use gmsgid instead of msgid for argument name.
896         * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
897         of msgid for argument name.
898         (error): Use gmsgid instead of msgid for argument name.
899         * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
900         instead of N_().
901         * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
902         * tree-inline.c (inline_forbidden_p_1): Likewise.
903         * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
904         conventions for marking translations.
905         * doc/install.texi: Mention gettext 0.14.5 or later requirement.
906
907         * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
908         build2.
909
910         * fold-const.c (operand_equal_p): Don't return 1, if element
911         chains for 2 VECTOR_CSTs are not the same length.
912
913         PR regression/21897
914         * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
915         not all VECTOR_CST elements are given.
916
917         * combine.c (try_combine): Use hard_regno_nregs array instead of
918         HARD_REGNO_NREGS macro.
919         * config/rs6000/rs6000.c (rs6000_split_multireg_move,
920         rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
921         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
922
923 2005-06-06  Daniel Berlin  <dberlin@dberlin.org>
924
925         * tree-ssa-reassoc.o: New.
926         (OBJS-common): Add tree-ssa-reassoc.o
927         * timevar.def: Add TV_TREE_REASSOC
928         * tree-optimize.c (pass_reassoc): Add call.
929         * tree-pass.h (pass_reassoc): Add.
930         * tree-ssa-reassoc.c: New file.
931
932 2005-06-06  Eric Christopher  <echristo@redhat.com>
933
934         target/21927
935         * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
936
937 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
938
939         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
940         HAVE_GAS_MAX_SKIP_P2ALIGN.
941         (HAVE_AS_DWARF2_DEBUG_LINE): Remove.
942
943 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
944
945         * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
946         getopt.h dependency.
947         (mips-tdump.o): Likewise.
948
949 2005-06-06  Jan Hubicka  <jh@suse.cz>
950
951         * predict.c (tree_predict_edge): Don't drop useless predictions;
952         check that it is not called too late in the game.
953         (gate_estimate_probability): New gate.
954         (pass_profile): Gate.
955         * tree-mudflap.c (mf_build_check_statement_for): Do not drop
956         predictions; update CFG instead.
957         * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
958
959 2005-06-06  Jie Zhang  <jie.zhang@analog.com>
960
961         * config.gcc (bfin*-uclinux*): New.
962         * config/bfin/uclinux.h: New file.
963
964 2005-06-06  Ben Elliston  <bje@au.ibm.com>
965
966         * doc/md.texi (Insn Splitting): Fix some wording.
967
968 2005-06-05  David Edelsohn  <edelsohn@gnu.org>
969
970         * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
971         (rs6000_emit_swdivdf): New function.
972         * config/rs6000/rs6000.md (fres): New pattern.
973         (divsf3): Add approximation through rs6000_emit_swdivsf.
974         (fred): New pattern.
975         (divdf3): Add approximation through rs6000_emit_swdivdf.
976         * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
977         (rs6000_emit_swdivdf): Declare.
978         * config/rs6000/rs6000.opt (mswdiv): New option.
979         * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
980
981 2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
982
983         PR tree-optimization/21846
984         * tree-cfg.c (replace_uses_by): Update information stored at loops.
985         * tree-flow.h (substitute_in_loop_info): Declare.
986         * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
987         Ensure that chrec_dont_know and chrec_known have a type.
988         * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
989
990 2005-06-05  Steven Bosscher  <stevenb@suse.de>
991
992         * config/i386/i386.c (x86_use_loop): Remove.
993         * config/i386/i386.h (x86_use_loop): Remove extern decl.
994         (TARGET_USE_LOOP): Remove.
995         * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
996         Also remove related define_splits.
997
998 2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
999
1000         * tree-flow.h (stmt_ann_d): Move aux to ...
1001         (tree_ann_common_d): ... here.
1002         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1003         move_computations_stmt, schedule_sm): Update references to
1004         aux.
1005         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1006         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
1007         call to set_stmt_info.
1008         (vect_transform_loop): Likewise.
1009         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
1010         Likewise.
1011
1012         * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
1013         bool.
1014         (vect_mark_relevant): Takes two additional arguments - live_p and
1015         relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
1016         (vect_stmt_relevant_p): Differentiate between a live stmt and a
1017         relevant stmt. Return two values = live_p and relevant_p.
1018         (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
1019         vect_stmt_relevant_p with additional arguments. Phis are no longer
1020         put into the worklist (analyzed seperately in analyze_scalar_cycles).
1021         (vect_determine_vectorization_factor): Also check for LIVE_P, because a
1022         stmt that is marked as irrelevant and live, cause it's only used out
1023         side the loop, may need to be vectorized (e.g. reduction).
1024         (vect_analyze_operations): Examine phis. Call
1025         vectorizable_live_operation for for LIVE_P stmts. Check if
1026         need_to_vectorize.
1027         (vect_analyze_scalar_cycles): Update documentation. Don't fail
1028         vectorization - just classify the scalar cycles created by the loop
1029         phis. Call vect_is_simple_reduction.
1030         (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
1031         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
1032         call to set_stmt_info.
1033         (vect_get_vec_def_for_operand): Code reorganized - the code that
1034         classifies the type of use was factored out to vect_is_simple_use.
1035         (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
1036         additional arguments.
1037         (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
1038         and computes a loop_vec_def.
1039         (vectorizable_operation, vectorizable_load, vectorizable_condition):
1040         Likewise.
1041         (vectorizable_live_operation): New.
1042         (vect_transform_stmt): Handle LIVE_P stmts.
1043         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
1044         STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
1045         (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
1046         (vect_is_simple_use): Determine the type of the def and return it
1047         in a new function argument. Consider vect_reduction_def and
1048         vect_induction_def, but for now these are not supported.
1049         (vect_is_simple_reduction): New. Empty for now.
1050         * tree-vectorizer.h (vect_def_type): New enum type.
1051         (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
1052         (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
1053         (vect_is_simple_use): New arguments added to function declaration.
1054         (vect_is_simple_reduction): New function declaration.
1055         (vectorizable_live_operation): New function declaration.
1056
1057         * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
1058         (vect_can_advance_ivs_p): Likewise.
1059         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
1060
1061 2005-06-05  Eric Christopher  <echristo@redhat.com>
1062
1063         * config/mips/mips.c (mips_rtx_costs): Remove unused variable.
1064
1065 2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
1066
1067         PR target/21914
1068         * config/mmix/mmix.md ("*movdicc_real_foldable")
1069         ("*movdfcc_real_foldable", "*bCC_foldable")
1070         ("*bCC_inverted_foldable"): Specify DImode for register being
1071         compared.
1072
1073 2005-06-04  Roger Sayle  <roger@eyesopen.com>
1074
1075         * reg-stack.c (struct block_info_def): Correct grammar typo.
1076         (compensate_edge): Clean-up.  Perform as little work as possible
1077         when src and dest stacks match.  Avoid modifying block_info.
1078         Reorder and simplify assertion checks.  Avoid unnecessary copying
1079         of regstack structure.
1080         (convert_regs_1): Set the done flag here...
1081         (convert_regs_2): ... instead of here.
1082
1083 2005-06-04  Dale Johannesen  <dalej@apple.com>
1084
1085         * config/rs6000/rs6000.c (no_global_regs_above): New.
1086         (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
1087         (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
1088         (rs6000_conditional_register_usage): Don't put Darwin PIC
1089         register in global_regs.
1090         (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
1091         PIC reg used.
1092         (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
1093         if not done by lr_save_p.
1094         * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
1095         Use rotate instead of ashift.
1096         (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
1097         (call_value_indirect_nonlocal_sysv):  Ditto.
1098
1099 2005-06-04  Jan Hubicka  <jh@suse.cz>
1100
1101         * cgraphunit.c (cgraph_reset_node): Break out from ...
1102         (cgraph_finalize_function): ... here.
1103         (cgraph_finalize_compilation_unit): Reset nodes where backend
1104         removed the body.
1105
1106 2005-06-04  Richard Henderson  <rth@redhat.com>
1107
1108         PR target/21888
1109         * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
1110         until we've passed initial ldgp.
1111
1112 2005-06-04  Daniel Berlin  <dberlin@dberlin.org>
1113
1114         * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
1115         * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
1116         * expr.c (expand_var): Ditto.   
1117         * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
1118         * gimplify.c (gimplify_decl_expr): Ditto.
1119         (gimplify_expr): Ditto.
1120         * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
1121         * tree.c (value_expr_for_decl): New.
1122         (print_value_expr_statistics): New.
1123         (init_ttree): Init value_expr_for_decl.
1124         (decl_value_expr_lookup): New.
1125         (decl_value_expr_insert): Ditto.
1126         (copy_node_stat): Copy DECL_VALUE_EXPR status.
1127         * tree.h (DECL_VALUE_EXPR): Use hashtable.
1128         (SET_DECL_VALUE_EXPR): New.
1129         (DECL_HAS_VALUE_EXPR_P): New.
1130
1131 2005-06-04  Steven Bosscher  <stevenb@suse.de>
1132
1133         * lcm.c: Move all mode-switching related functions from here...
1134         * mode-switching.c: ...to this new file.
1135         * doc/passes.texi: Update accordingly.
1136
1137         * basic-block.h (label_value_list): Remove extern decl.
1138         * cfgrtl.c (label_value_list): Remove.
1139         (can_delete_label_p): Don't look at it.
1140         * cfgcleanup.c (cleanup_cfg): Don't free it.
1141
1142         * common.opt: Don't refer to non-existing flag_alias_check.
1143
1144 2005-06-04  David Edelsohn  <edelsohn@gnu.org>
1145
1146         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
1147
1148 2005-06-04  Kazu Hirata  <kazu@codesourcery.com>
1149
1150         * function.c (prologue, epilogue, sibcall_epilogue): Change
1151         their types to VEC(int,heap)*.
1152         (free_after_compilation): Free the three vectors above.
1153         (init_function_for_compilation, record_insns, contains,
1154         prologue_epilogue_contains, sibcall_epilogue_contains,
1155         reposition_prologue_and_epilogue_notes): Use VEC instead of
1156         VARRAY.  (init_function_once): Remove.
1157         * function.h: Remove the prototype for init_function_once.
1158         * toplev.c (backend_init): Don't call init_function_once.
1159
1160 2005-06-04  Jan Hubicka  <jh@suse.cz>
1161
1162         * predict.c (tree_predict_edge): Do not predict entry edge and
1163         single succestor edge.
1164
1165 2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
1166
1167         PR c/21873
1168         * c-typeck.c (push_init_level): Don't pop levels without braces if
1169         implicit == 1.
1170
1171 2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
1172         
1173         * tree-data-ref.c (compute_self_dependence): New function.
1174         (compute_all_dependences): Use it.
1175
1176 2005-06-03  Geoffrey Keating  <geoffk@apple.com>
1177
1178         * c-parser.c (c_parser_parms_declarator): Don't use chainon().
1179         (c_parser_expr_list): Don't use chainon().
1180
1181         * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
1182         when -isysroot passed.
1183
1184 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
1185
1186         PR c/21879
1187         * c-decl.c (start_function): Restore label_context_stack_se and
1188         label_context_stack_vm  if returning with an error.
1189
1190 2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1191
1192         * configure.ac: Check declaration for asprintf, needed by
1193         libiberty.h. 
1194         * configure: Regenerate.
1195         * config.in: Likewise.
1196
1197 2005-06-03  Diego Novillo  <dnovillo@redhat.com>
1198
1199         * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
1200         allocate info array.
1201         * tree-vrp.c (extract_range_from_unary_expr): Set resulting
1202         range to varying in cast expressions that change
1203         TYPE_PRECISION.
1204
1205 2005-06-03  Eric Christopher  <echristo@redhat.com>
1206
1207         * config/mips/mips.opt: Add RejectNegative to divide-breaks and
1208         divide-traps.
1209
1210 2005-06-03  Jan Hubicka  <jh@suse.cz>
1211
1212         * basic-block.h (remove_predictions_associated_with_edge): Declare.
1213         * cfg.c (remove_edge): Use it.
1214         * predict.c (remove_predictions_associated_with_edge): New function.
1215
1216 2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
1217
1218         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
1219         Clear call_realy_used_regs[r2] when ABI_AIX.
1220
1221 2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
1222
1223         PR middle-end/21858
1224         * fold-const.c (fold_binary): Fix type mismatches in folding
1225         of comparisons.
1226
1227 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
1228
1229         * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
1230         typos.
1231
1232 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
1233
1234         * collect2.c (maybe_unlink): Use unlink_if_ordinary.
1235
1236 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1237
1238         * reload1.c (reload): Revert my previous patch.
1239
1240 2005-06-03  Nick Clifton  <nickc@redhat.com>
1241
1242         * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
1243         assembler.
1244
1245 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
1246
1247         PR tree-optimization/21849
1248         * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
1249
1250 2005-06-02  Richard Henderson  <rth@redhat.com>
1251
1252         * Makefile.in (tree-vect-generic.o): New.
1253         (OBJS-common, GTFILES, s-gtype): Add it.
1254         * tree-complex.c (build_replicated_const, vector_inner_type,
1255         vector_last_type, vector_last_nunits, build_word_mode_vector_type,
1256         elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
1257         do_negate, expand_vector_piecewise, expand_vector_parallel, 
1258         expand_vector_addition, expand_vector_operation, 
1259         type_for_widest_vector_mode, expand_vector_operations_1, 
1260         gate_expand_vector_operations, expand_vector_operations, 
1261         pass_lower_vector_ssa): Move to tree-vect-generic.c.
1262         (tree_lower_complex): Rename from tree_lower_operations.
1263         (pass_lower_complex): Rename from pass_pre_expand.
1264         * tree-vect-generic.c: New file.
1265         * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
1266         (pass_lower_vector): New.
1267         * tree-optimize.c (init_tree_optimization_passes): Update to match.
1268
1269 2005-06-02  Richard Henderson  <rth@redhat.com>
1270
1271         * modulo-sched.c (doloop_register_get): Protect against 
1272         doloop_end not defined.
1273
1274 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
1275
1276         * config/sh/sh.c (general_movsrc_operand,
1277         general_movdst_operand, arith_reg_operand, arith_reg_dest,
1278         logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
1279         fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
1280         xor_operand, cmp_operand, logical_operand, and_operand,
1281         fpscr_operand, fpul_operand, symbol_ref_operand,
1282         commutative_float_operator, noncommutative_float_operator,
1283         unary_float_operator, binary_float_operator,
1284         binary_logical_operator, equality_comparison_operator,
1285         greater_comparison_operator, less_comparison_operator,
1286         shift_operator, logical_operator, target_reg_operand,
1287         target_operand, mextr_bit_offset, extend_reg_operand,
1288         trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
1289         general_extend_operand, ua_address_operand,
1290         cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
1291         sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
1292         shift_count_reg_operand, shift_count_operand,
1293         unaligned_load_operand): Move to ...
1294         * config/sh/predicates.md: ... here.
1295         * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1296         Remove.
1297
1298 2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
1299
1300         * tree.c (build_common_builtin_nodes): Fix the return type on
1301         __builtin_memcmp.
1302
1303 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1304
1305         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
1306         (find_interesting_uses_address): Use build_fold_addr_expr instead.
1307         (strip_offset_1): Likewise.
1308         (tree_to_aff_combination): Likewise.
1309
1310 2005-06-02  DJ Delorie  <dj@redhat.com>
1311
1312         * convert.c (convert_to_pointer): Avoid recursion if no conversion
1313         is needed.
1314
1315 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1316
1317         * tree-chrec.c (chrec_fold_plus_1): Ensure we build
1318         binary operations with the correct types.
1319         * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
1320         for all computation.
1321
1322 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
1323
1324         * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
1325         config/rs6000/rs6000.md: Fix comment typos.  Follow splling
1326         conventions.
1327         * doc/install.texi: Fix a typo.
1328
1329 2005-06-02  Jan Hubicka  <jh@suse.cz>
1330
1331         * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
1332         inline functions are not local.
1333
1334 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
1335
1336         * gimplify.c (gimplify_ctx): Change the type of case_labels to
1337         VEC from VARRAY.
1338         (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
1339         of case_labels.
1340
1341 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1342
1343         * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
1344         with correct type.
1345
1346 2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
1347
1348         * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
1349         execute templates.
1350         (s390_dump_pool): Likewise.
1351         (s390_mainpool_start, s390_mainpool_finish): Likewise.
1352         (s390_chunkify_start): Likewise.
1353         (s390_dump_execute): Remove.
1354         (s390_reorg): Handle out-of-pool execute templates.
1355
1356 2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
1357
1358         * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
1359           unconditional jump.
1360
1361 2005-06-02  Jan Hubicka  <jh@suse.cz>
1362
1363         * cgraph.c (cgraph_node): Maintain master clones.
1364         (cgraph_remove_node): Likewise.
1365         (availability_names): New static variable.
1366         (dump_cgraph_node): Dump availability.
1367         (dump_cgraph_varpool_node): Likewise.
1368         (cgraph_is_master_clone, cgraph_master_clone,
1369         cgraph_function_body_availability,
1370         cgraph_variable_initializer_availability): New functions.
1371         * cgraph.h (availability): New enum.
1372         (struct cgraph_node): Add master_clone.
1373         (cgraph_is_master_clone, cgraph_master_clone,
1374         cgraph_function_body_availability,
1375         cgraph_variable_initializer_availability): Declare.
1376         * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
1377         (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
1378         * ipa-inline.c (cgraph_decide_inlining): Do not call
1379         cgraph_remove_unreachable_nodes.
1380
1381         * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
1382         previous patch.
1383
1384 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1385
1386         PR 21582
1387         * tree-vrp.c (nonnull_arg_p): New.
1388         (get_value_range): Call it.
1389
1390 2005-06-02  Eric Christopher  <echristo@redhat.com>
1391
1392         * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
1393         add PROCESSOR_MAX.
1394         (mips_rtx_cost_data): New datatype.
1395         (MEMORY_MOVE_COST): Use data from structure.
1396         (BRANCH_COST): Ditto.
1397         (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
1398         * config/mips/mips.md (cpu): Rework for processor_type changes.
1399         * config/mips/mips.c (mips_cost): New variable.
1400         (DEFAULT_COSTS): Define.
1401         (mips_rtx_cost_data): New.
1402         (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
1403         for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
1404         FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
1405         (override_options): Set cost data.
1406         (mips_register_move_cost): Formatting changes.
1407         (bdesc_arrays): Use PROCESSOR_MAX.
1408         (mips_init_builtins): Ditto.
1409
1410 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1411
1412         PR 21765
1413         * doc/invoke.texi: Document -ftree-vrp.
1414
1415 2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
1416
1417         PR tree-optimization/21734
1418         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
1419         phi_result when current_def is not available.
1420         (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
1421         available.      
1422
1423 2005-06-02  David Edelsohn  <edelsohn@gnu.org>
1424
1425         * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
1426         (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
1427
1428 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1429
1430         * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
1431
1432 2005-06-02  Jan Hubicka  <jh@suse.cz>
1433
1434         * cgraph.c (dump_cgraph_node): Print new flags.
1435         (dump_cgraph_varpool_node): Likewise.
1436         (decide_variable_is_needed): Initialize externally_visible flag.
1437         * cgraph.h (cgraph_local_info): Add externally_visible flag.
1438         (cgraph_varpool_node): Likewise.
1439         (cgraph_function_flags_ready): Declare.
1440         * cgraph.c (cgraph_mark_local_functions): Rename to ...
1441         (cgraph_function_and_variable_visibility) ... this one; handle
1442         externally_visible flags.
1443         (decide_is_function_needed): Set externally_visible flag.
1444         (cgraph_finalize_function): Deal properly with early cleanups.
1445         (cgraph_optimize): Update call of
1446         cgraph_function_and_variable_visibility.
1447
1448 2005-06-02 Steven Bosscher  <stevenb@suse.de>
1449            Mostafa Hagog <mustafa@il.ibm.com>
1450
1451         * cfgloop.h (doloop_condition_get): Make external.
1452         * loop-doloop.c (doloop_condition_get): Generalize to make it
1453         usable in modulo-sched.c.
1454         * modulo-sched.c (doloop_register_get): Use
1455         doloop_condition_get instead of duplicating it.
1456
1457 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1458
1459         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
1460         the correct set of init_insns that need deletion.
1461         * local-alloc.c (update_equiv_regs): When substituting sole definition
1462         into sole use of a reg, delete it from liveness information.
1463
1464 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1465
1466         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
1467
1468 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
1469
1470         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
1471         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
1472         * fold-const.c (invert_tree_comparison): Make extern.
1473         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
1474         (struct value_range_def): Limewise.
1475         (get_value_range): Remove.
1476         (dump_value_range): Remove.
1477         (dump_all_value_ranges): Remove.
1478         (debug_all_value_ranges): Remove.
1479         (vrp_evaluate_conditional): Declare.
1480         * tree-ssa-propagate.c (struct prop_stats_d): Add field
1481         num_pred_folded.
1482         (substitute_and_fold): Add argument use_ranges_p.
1483         Update all callers.
1484         If use_ranges_p is true, call fold_predicate_in to fold
1485         predicates using range information.
1486         Ignore ASSERT_EXPRs.
1487         Change debugging output to only show statements that have been
1488         folded.
1489         (replace_phi_args_in): Move debugging output code from
1490         substitute and fold.
1491         (fold_predicate_in): New local function.
1492         * tree-ssa-propagate.h (enum value_range_type): Move from
1493         tree-flow.h.
1494         (struct value_range_d): Likewise.
1495         Add field 'equiv'. 
1496         (value_range_t): Rename from value_range.
1497         * tree-vrp.c (found_in_subgraph): Rename from found.
1498         (get_opposite_operand): Remove.
1499         (struct assert_locus_d): Declare.
1500         (assert_locus_t): Declare.
1501         (need_assert_for): Declare.
1502         (asserts_for): Declare.
1503         (blocks_visited): Declare.
1504         (vr_value): Declare.
1505         (set_value_range): Add argument 'equiv'.
1506         Don't drop to VARYING ranges that cover all values in the
1507         type.
1508         Make deep copy of equivalence set 'equiv'.
1509         (copy_value_range): New local function.
1510         (set_value_range_to_undefined): New local function.
1511         (compare_values): Return -2 if either value has overflowed.
1512         (range_includes_zero_p): New local function.
1513         (extract_range_from_assert): Flip the predicate code if the
1514         name being asserted is on the RHS of the predicate.
1515         Avoid creating unnecessary symbolic ranges if the comparison
1516         includes another name with a known numeric range.
1517         Update the equivalnce set of the new range when asserting
1518         EQ_EXPR predicates.
1519         (extract_range_from_ssa_name): Update the equivalence set of
1520         the new range with VAR.
1521         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
1522         If -fwrapv is used, set the resulting range to VARYING if the
1523         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
1524         TYPE_MAX_VALUE to represent -INF and +INF.
1525         Fix handling of *_DIV_EXPR.
1526         (extract_range_from_unary_expr): Handle MINUS_EXPR and
1527         ABS_EXPR properly by switching the range around if necessary.
1528         (extract_range_from_comparison): New local function.
1529         (extract_range_from_expr): Call it.
1530         (adjust_range_with_scev): Do not adjust the range if using
1531         wrapping arithmetic (-fwrapv).
1532         (dump_value_range): Also show equivalence set.
1533         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
1534         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
1535         (infer_value_range): Change return value to bool.
1536         Add arguments 'comp_code_p' and 'val_p'.
1537         Do not attempt to infer ranges from statements that may throw.
1538         Store the comparison code in comp_code_p.
1539         Store the other operand to be used in the predicate in val_p.
1540         (dump_asserts_for): New.
1541         (debug_asserts_for): New.
1542         (dump_all_asserts): New.
1543         (debug_all_asserts): New.
1544         (register_new_assert_for): New.
1545         (register_edge_assert_for): New.
1546         (find_conditional_asserts): New.
1547         (find_assert_locations): New.
1548         (process_assert_insertions_for): New.
1549         (process_assert_insertions): New.
1550         (insert_range_assertions): Initialize found_in_subgraph,
1551         blocks_visited, need_assert_for and asserts_for.
1552         Call find_assert_locations and process_assert_insertions.
1553         (remove_range_assertions): Add more documentation.
1554         (vrp_initialize): Change return type to void.
1555         Do not try to guess if running VRP is worth it.  
1556         (compare_name_with_value): New.
1557         (compare_names): New.
1558         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
1559         use_equiv_p is true, call compare_names and
1560         compare_name_with_value to compare all the ranges for every
1561         name in the equivalence set of the predicate operands.
1562         Update all callers.
1563         (vrp_meet): Try harder not to derive a VARYING range.
1564         If two values meet, the resulting equivalence set is the
1565         intersection of the two equivalence sets.
1566         (vrp_visit_phi_node): Call copy_value_range to get the current
1567         range information of the LHS.
1568         (vrp_finalize): Create a value vector representing all the
1569         names that ended up with exactly one value in their range.
1570         Call substitute_and_fold.
1571         (execute_vrp): Document equivalence sets in ranges.
1572         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
1573         (struct tree_ssa_name): Remove field value_range.
1574         (invert_tree_comparison): Declare.
1575
1576 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
1577
1578         Fix PR tree-optimization/21839
1579
1580         * gimplify.c (zero_sized_field_decl): New function.
1581         (gimplify_init_ctor_eval): Use it.
1582
1583 2005-06-01  Josh Conner <jconner@apple.com>
1584
1585         PR 21478
1586         * gimplify.c (gimplify_init_constructor): Don't spill initializer
1587         to read-only memory if it's sparse.
1588
1589 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
1590
1591         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
1592         Add documentation for REG_SETJMP
1593
1594 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1595
1596         * stmt.c (expand_case): Use build_int_cst.
1597         (node_has_low_bound): Likewise, and correct type mismatch.
1598         (node_has_high_bound): Likewise.
1599         * fold-const.c (fold_binary): Ensure we build trees
1600         with the correct types - undo what STRIP_NOPS possibly did.
1601
1602 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1603
1604         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
1605         * fold-const.c (fold_indirect_ref_1): No longer static.
1606         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
1607         folding, if possible.
1608
1609 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
1610
1611         * common.opt (fjump-tables): New.
1612         * doc/invoke.texi (-fno-jump-tables): Document.
1613         * stmt.c (expand_end_case_type): Do not emit jump tables unless
1614         flag_jump_tables.
1615
1616 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1617
1618         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
1619         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
1620         (sunlt, sunle): Enable patterns on VFP.
1621
1622         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
1623         f_stored, f_flag, f_cvt.
1624         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
1625         Include arm1020e.md.
1626         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
1627         the ds and fmac pipelines.  Re-work all load and store patterns and
1628         all conversion patterns to use new attributes.  Adjust reservation
1629         descriptions accordingly.
1630         * arm1020e.md: New file.
1631         * t-arm: Add dependency.
1632
1633 2005-06-01  Jan Hubicka  <jh@suse.cz>
1634
1635         * except.c (struct eh_region): Kill unused fields.
1636         * basic-block.h (struct basic_block_def): Likewise.
1637
1638 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
1639
1640         PR rtl-optimization/21767
1641         * rtl.h (function_invariant_p): Re-add declaration.
1642         * reload1.c (function_invariant_p): No longer static.
1643         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
1644         might have become invalid.
1645
1646 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
1647
1648         PR c/21536
1649         PR c/20760
1650         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
1651         on variable sizes types if a decl is a pointer to a VLA.
1652         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
1653         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
1654         recursion.
1655
1656         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
1657
1658         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
1659         _mm_set_ps, _mm_setr_ps): Add __extension__.
1660         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
1661         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
1662         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
1663         Likewise.
1664         (_mm_clflush): Don't use return in void function.
1665
1666         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
1667         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
1668         Use __inline instead of inline.
1669
1670 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1671
1672         * fold-const.c (fold_binary): Fix types in strlen vs.
1673         zero comparison folding.
1674
1675 2005-06-01  Richard Henderson  <rth@redhat.com>
1676
1677         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
1678         * config.in, configure: Rebuild.
1679         * config/alpha/alpha.c (print_operand): Add 'j'.
1680         * alpha.md (divmodsi_internal_er_1): Use it.
1681         (divmoddi_internal_er_1): Likewise.
1682
1683 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1684
1685         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
1686         * opts.h (print_filtered_help): Delete.
1687         * opts.c (handle_option, decode_options): Remove calls to
1688         set_target_switch.
1689         (print_target_help): New function.
1690         (common_option, print_help): Call print_target_help instead of
1691         display_target_options.
1692         (print_filtered_help): Make static.
1693         * toplev.h (display_target_options, set_target_switch): Delete.
1694         * toplev.c (target_switches, target_options, display_target_options)
1695         (set_target_switch): Delete.
1696         (print_switch_values): Remove handling of TARGET_SWITCHES and
1697         TARGET_OPTIONS.
1698         (default_get_pch_validity): Likewise.  Only treat target_flags
1699         specially if targetm.check_pch_target_flags is nonnull.
1700         (pch_option_mismatch): New function.
1701         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
1702         and TARGET_OPTIONS.  Only treat target_flags specially if
1703         targetm.check_pch_target_flags is nonnull.
1704         * config/ia64/ia64.c (ia64_override_options): Don't mention
1705         TARGET_OPTIONS in comment.
1706         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
1707         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
1708         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
1709         interaction with TARGET_SWITCHES.
1710         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1711
1712 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1713
1714         * config/sh/sh.c (multcosts): Check sh_multcost rather than
1715         sh_multcost_str.
1716         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
1717         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
1718         (cut2_workaround_str): Delete.
1719         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
1720         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
1721         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
1722         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
1723         (mgettrcost=, multcost=): New options.
1724
1725 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1726
1727         * opts.h (cl_option_state): New structure.
1728         (get_option_state): Declare.
1729         * opts.c (get_option_state): New function.
1730         * toplev.c (option_affects_pch_p): New function.
1731         (default_get_pch_validity): Store the state of all options for which
1732         option_affects_pch_p returns true.
1733         (default_pch_valid_p): Check the state of those options here.
1734         Only check target_flags separately if targetm.check_pch_target_Flags
1735         is nonnull or if TARGET_SWITCHES is defined.
1736
1737 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1738
1739         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
1740         names.
1741
1742 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1743
1744         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
1745
1746 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1747
1748         * gcse.c (compute_transp, load_killed_in_block): Use 
1749         MEM_READONLY_P.
1750
1751 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
1752
1753         PR target/21854
1754         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
1755         
1756 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1757
1758         * errors.h (warning, error, fatal, internal_error): Add printf
1759         attribute.
1760         * genmodes.c (make_vector_mode): Fix format arguments.
1761
1762 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1763
1764         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
1765         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
1766         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
1767         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
1768         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
1769         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
1770         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
1771         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1772         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
1773         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
1774         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
1775         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
1776         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
1777         errors.h and include toplev.h if necessary.
1778         
1779         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
1780         errors.h otherwise include toplev.h.
1781         
1782         * Makefile.in: Update dependencies.
1783         
1784 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
1785
1786         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
1787
1788 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
1789
1790         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
1791         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
1792         be complemented for big-endian.  Mask for AND must be rotated,
1793         not shifted.  Handle short operands with NOT on the memory
1794         operation.
1795
1796 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
1797
1798         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
1799         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
1800         * dwarf2out.c (dwarf2out_var_location): Ditto.
1801         * toplev.c (default_tree_printer): Ditto.
1802         * tree-outof-ssa.c (create_temp): Ditto.
1803         * tree-sra.c (instantiate_element): Ditto.
1804         * var-tracking.c (track_expr_p): Ditto.
1805         * tree.c (struct tree_map): New structure.
1806         (debug_expr_for_decl): New.
1807         (tree_map_eq): New function.
1808         (tree_map_hash): Ditto.
1809         (tree_map_marked_p): Ditto.
1810         (print_debug_expr_statistics): Ditto.
1811         (decl_debug_expr_lookup): Ditto.
1812         (decl_debug_expr_insert): Ditto.
1813         (dump_tree_statistics): Dump debug_expr hashtable stats.
1814         * tree.h (DECL_DEBUG_EXPR): Change
1815         (SET_DECL_DEBUG_EXPR): Add.
1816         
1817 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
1818
1819         * configure.ac: Add --enable-secureplt.
1820         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
1821         * config.in: Regenerate.
1822         * configure: Regenerate.
1823         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
1824         rs6000/secureplt.h to tm_file when enable_secureplt.
1825         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
1826         * doc/install.texi: Document --enable-targets and --enable-secureplt.
1827         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
1828         * config/rs6000/secureplt.h: New file.
1829         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
1830         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
1831         assembler support.
1832         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
1833         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
1834         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
1835         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
1836         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
1837         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
1838         TARGET_SECURE_PLT got register load sequence.
1839         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
1840         TARGET_SECURE_PLT.
1841         (rs6000_elf_declare_function_name): Don't emit toc address offset
1842         word when TARGET_SECURE_PLT.
1843         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
1844         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
1845         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
1846         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
1847         TARGET_SECURE_PLT.
1848         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
1849         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
1850         and -fPIC.
1851         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
1852         (__trampoline_setup): Likewise.  Init r30 before plt call.
1853
1854 2005-05-31  DJ Delorie  <dj@redhat.com>
1855
1856         * expr.c (convert_move): When a partial_int requires multiple
1857         conversion steps, make sure successive steps convert the
1858         intermediate value, not the original value.
1859
1860         * expmed.c (expand_mult): Convert partial_int multiplies to
1861         shift/add combinations too.
1862
1863         * genmodes.c (mode_data): Add wider_2x.
1864         (calc_wider_mode): Calculate twice-wider mode too.
1865         (emit_mode_wider): Emit twice-wider mode too.
1866         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
1867         * expr.c (expand_expr_real_1): Use it for expanding
1868         multiplies.
1869
1870 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
1871
1872         PR tree-optimization/21817
1873         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
1874
1875 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
1876
1877         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
1878         change.
1879
1880 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1881
1882         PR middle-end/20931
1883         PR middle-end/20946
1884         * fold-const.c (fold_checksum_tree): Copy types also if
1885         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
1886         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
1887         first.
1888         Tail recurse TREE_LIST's TREE_CHAIN.
1889
1890 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1891
1892         PR tree-opt/21732
1893         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
1894         SSA_NAME twice and cause the loop to become finite.  Remove the test
1895         for val.
1896
1897 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1898
1899         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
1900         expression.
1901
1902 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
1903
1904         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
1905         the documentation to make it more future-proof.
1906         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
1907         * target.h (gcc_target): Add check_pch_target_flags.
1908         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
1909         (TARGET_INITIALIZER): Include it.
1910         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
1911         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
1912         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
1913         (sh_check_pch_target_flags): New function.
1914         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
1915
1916 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
1917
1918         * fold-const.c (extract_array_ref): Handle more cases,
1919         do some useful canonicalization of the base.
1920         (fold_binary): Explicitly deal with arrays of zero-sized
1921         structures during folding of &a[i] == &a[j].
1922
1923 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1924
1925         * doc/install.texi (sparc-sun-solaris2*): Update note
1926         about Sun bug 4910101.
1927         (sparc-sun-solaris2.7): Document bootstrap
1928         failure with Sun WorkShop 6 99/08/18 as.
1929
1930 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
1931
1932         * loop.c (loop_invariant_p, valid_initial_value_p): Use
1933         regs_invalidated_by_call instead of call_used_regs.
1934
1935 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
1936
1937         PR middle-end/21743
1938         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
1939         Enable.
1940         * doc/extend.texi: Add clog, clogf, clogl.
1941
1942 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
1943
1944         PR middle-end/20303
1945         * c-pragma.c: Include "vec.h".
1946         (handle_pragma_visibility): Use VEC.
1947
1948         * doc/invoke.texi: Remove the nested visibility push limit.
1949
1950 2005-05-30  Roger Sayle  <roger@eyesopen.com>
1951
1952         PR rtl-optimization/15422
1953         * reg-stack.c (starting_stack_p): New static global.
1954         (straighten_stack): Delete prototype. Change to update the stack
1955         before the current insn.
1956         (subst_stack_regs): Update call to straighten stack.
1957         (emit_swap_insn): Delete prototype.  For the first insn in a
1958         basic block, update stack_in instead of emitting a real swap.
1959         (change_stack): When changing the stack before the first insn
1960         in a basic block, update stack_in instead of emitting real code.
1961         (compensate_edges): Clear starting_stack_p during compensation.
1962         (convert_regs_1): Keep track of starting_stack_p whilst processing
1963         a basic block.
1964
1965 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1966
1967         * tree-ssa-ccp.c (const_val): Make it static.
1968
1969 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
1970
1971         PR target/21761
1972         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
1973         pattern involving `:P'.
1974
1975         * Makefile.in (install-cpp): Depend on installdirs.
1976
1977 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1978
1979         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
1980         to VEC(int,heap)*.
1981         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1982         elim_graph_add_edge, elim_graph_remove_succ_edge,
1983         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
1984         instead of VARRAY.
1985
1986 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
1987
1988         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
1989         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
1990         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
1991         follow spelling conventions in error/dump messages.
1992
1993 2005-05-29  Roger Sayle  <roger@eyesopen.com>
1994             Richard Henderson  <rth@redhat.com>
1995
1996         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
1997         if the RHS isn't suitable for calling emit_move_insn.
1998
1999 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
2000
2001         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
2002         fold_unary and fold_binary.
2003
2004 2005-05-29  Roger Sayle  <roger@eyesopen.com>
2005
2006         * reg-stack.c (propagate_stack): Always copy the source stack to
2007         the destination.  This routine is now only called when this is safe.
2008         (better_edge): New function split out from convert_regs_1 to
2009         determine which of two edges is better to propagate across.
2010         (convert_regs_1):  We need only search for a best edge if the
2011         stack layout hasn't been defined yet.  Use better_edge to help
2012         find beste.  No longer traverse unnecessary edges.
2013
2014 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
2015
2016         * tree-ssa-alias.c (new_type_alias): New procedure to
2017         create a type memory tag for a pointer with a may-alias
2018         set determined from a variable declaration.
2019         * tree-flow.h: export declaration of new_type_alias
2020         * tree-optimize.c (init_tree_optimization_passes): document
2021         that pass_may_alias cannot be called after pass_vectorize.
2022         * tree-vect-transform (vect_create_data_ref_ptr): Call
2023         new_type_alias when an type memory tag isn't available
2024         for a reference.
2025         (vectorizable_store): Use copy_virtual_operands to update
2026         virtual defs in place (so that loop_version can be called).
2027         Call mark_for_renaming for the virtual defs in case peeling
2028         is done and virtual uses outside the loop need to be updated.
2029
2030 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
2031
2032         PR tree-optimization/21639
2033         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
2034
2035 2005-05-29  Jan Hubicka  <jh@suse.cz>
2036
2037         PR tree-optimization/21562
2038         * cfgexpand.c (construct_init_block): Deal properly with the case
2039         of entry edge not pointing to very first basic block.
2040
2041 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
2042
2043         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
2044         non-gimple min invariant.
2045
2046         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
2047         * tree-flow.h: Add prototypes for start_recording_case_labels
2048         and end_recording_case_labels.
2049         * tree-cfg.c (start_recording_case_labels,
2050         end_recording_case_labels): Export.
2051         (cleanup_tree_cfg_loop, modified_noreturn_calls,
2052         cleanup_control_flow, cleanup_control_expr_graph,
2053         remove_fallthru_edge, phi_alternatives_equal,
2054         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
2055         remove_forwarder_block, cleanup_forwarder_blocks,
2056         remove_forwarder_block_with_phi, merge_phi_nodes,
2057         gate_merge_phi, pass_merge_phi): Move to ...
2058         * tree-cfgcleanup.c: ... here.
2059
2060         * basic-block.h: Remove forward declaration of bb_ann_d.
2061
2062 2005-05-28  Jan Hubicka  <jh@suse.cz>
2063
2064         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
2065         Update profile.
2066         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
2067         debug output.
2068         (tree_mod_subtract): Fix profile updating code.
2069         (tree_divmod_values_to_profile): Do not produce useless value profilers
2070         for divisions.
2071
2072 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
2073
2074         * tree-ssa-dom.c (vrp_element_p): Define.
2075         (vrp_hash_elt): Change the type of records to
2076         VEC(vrp_element_p,heap).
2077         (vrp_free): New.
2078         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
2079         Update uses of VRP records.
2080         (simplify_cond_and_lookup_avail_expr, record_range): Update
2081         uses of VRP records.
2082
2083         * tree-inline.c (cfun_stack): Change the type to
2084         VEC(function_p,heap).
2085         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
2086
2087 2005-05-27  Ian Lance Taylor  <ian@airs.com>
2088
2089         * c-decl.c (add_stmt): Add C frontend specific version.
2090         (stmts_are_full_exprs_p): Remove.
2091         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
2092         (stmts_are_full_exprs_p): Don't declare.
2093         * c-semantics.c (add_stmt): Remove.
2094
2095 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2096
2097         * config/mips/mips-protos.h (mips_declare_object): Add printf
2098         attribute.
2099         * config/mips/mips.c (mips_declare_object_name): Fix format
2100         argument.
2101
2102 2005-05-27  Roger Sayle  <roger@eyesopen.com>
2103
2104         * reg-stack.c (compensate_edge): Remove original prototype.
2105         (propagate_stack): New function to copy the stack layout
2106         at the start of a basic block from the layout at the end of
2107         one of its predecessors.
2108         (compensate_edge): Assume that both source and destination
2109         blocks have already had their stack layouts defined.
2110         (compensate_edges): Traverse all non-entry edges in the CFG
2111         and call compensate_edge on each in turn.
2112         (convert_regs_1): Change return type to void.  Call
2113         propagate_stack instead of compensate_edge.
2114         (convert_regs_2): Change return type to void.  Update call
2115         to convert_regs_1 to ignore the (now void) return value.
2116         (convert_regs): Update calls to convert_regs_2 to ignore
2117         the (now void) return value.  After all the basic blocks have
2118         been processed, call compensate_edges to actually emit new
2119         insns.
2120         (reg_to_stack): Initialize the aux info for each basic block
2121         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
2122
2123 2005-05-28  Jan Hubicka  <jh@suse.cz>
2124
2125         * except.c (can_throw_internal_1, can_throw_external_1): Add 
2126         "is_resx" argument.
2127         (can_throw_external, can_throw_internal): Bring into sync wrt
2128         dealing resx.
2129         * except.h (can_throw_internal_1, can_throw_external_1): Update
2130         prototype.
2131         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
2132         Deal properly with resx.
2133
2134 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2135
2136         * basic-block.h (basic_block_def): Add phi_nodes and
2137         predictions.  Remove tree_annotations.
2138         * predict.c (tree_predicted_by_p, tree_predict_edge,
2139         combine_predictions_for_bb): Adjust references to predictions.
2140         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
2141         create_block_annotation.
2142         (create_block_annotation, free_blocks_annotatios,
2143         clear_blocks_annotations): Remove.
2144         (dump_cfg_stats): Don't print out the memory spent on
2145         bb_ann_d.
2146         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
2147         * tree-flow-inline.h (bb_ann): Remove.
2148         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
2149         * tree-flow.h (bb_ann_d): Remove.
2150         * tree-if-conv.c (process_phi_nodes): Update a reference to
2151         phi_nodes.
2152         * tree-phinodes.c (reserve_phi_args_for_new_edge,
2153         create_phi_node, remove_phi_node): Likewise.
2154         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
2155         * tree-ssa-dom.c (threaded_blocks): New.
2156         (tree_ssa_dominator_optimize): Initialize, clear, and free
2157         threaded_blocks. Update a call to thread_through_all_blocks.
2158         (thread_across_edge): Use threaded_blocks instead of setting
2159         incoming_edge_threaded.
2160         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
2161         a bitmap of blocks that are threaded through.
2162         * tree.h: Move the prototype of threaded_through_blocks to
2163         tree-flow.h.
2164
2165         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
2166         fini_walk_dominator_tree): Use VEC instead of VARRAY.
2167         * domwalk.h (dom_walk_data): Change the type of
2168         block_data_stack and free_block_data to VEC(void_p,heap)*.
2169         * tree-ssa-dse.c (dse_initialize_block_local_data,
2170         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
2171         VEC instead of VARRAY.
2172
2173 2005-05-27  Jan Hubicka  <jh@suse.cz>
2174
2175         * cgraph.c: Include tree-gimple.h
2176         (cgraph_edge): Rename expr to stmt.
2177         (cgraph_create_edge): Likewise.
2178         (cgraph_clone_node): Likewise.
2179         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
2180         * cgraphunit.c (record_call_1): Rename to ...
2181         (record_reference): ... this one; do not build edges.
2182         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
2183         (current_basic_block): Kill.
2184         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
2185         (verify_cgraph_node): Likewise.
2186         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
2187         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
2188         (copy_edges_for_bb): Simplify EH handling.
2189         (expand_call_inline): Pass statement to cgraph_edge and
2190         cgraph_create_edge.
2191
2192 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
2193
2194         * tree-inline.c (copy_body_r): Manually fold *& to deal
2195         with ADDR_EXPRs with mismatched types for now.
2196
2197         * gimplify.c (fold_indirect_ref_rhs): New function.
2198         (gimplify_modify_expr_rhs): Use it instead of pessimistic
2199         fold_indirect_ref.
2200
2201         * fold-const.c (fold_indirect_ref_1): Add type argument;
2202         make sure the resulting expression is of this type.
2203         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
2204
2205 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2206
2207         PR tree-optimization/21658
2208         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
2209         fold_binary_to_constant.  Likewise, call fold_unary instead of
2210         fold_unary_to_constant.
2211
2212 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
2213
2214         * vec.h: Implement integral type vector specialization.
2215         (VEC_T): Define a non-GTY structure.
2216         (VEC_T_GTY): Define a GTY structure.
2217         (VEC_TA): Rename to ...
2218         (VEC_TA_GTY): ... here.
2219         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
2220         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
2221         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
2222         DEF_VEC_P and DEF_VEC_ALLOC_P.
2223         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
2224         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
2225         DEF_VEC_O and DEF_VEC_ALLOC_O.
2226         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
2227         * lambda-code.c: Likewise.
2228         * tree-into-ssa.c: Likewise.
2229         * tree-ssa-live.c: Likewise.
2230
2231 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2232
2233         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
2234         is up-to-date.
2235         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2236         update_stmt_if_modified before calling update_ssa.
2237
2238 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
2239
2240         * config/rs6000/t-rtems: Remove roe multilib variant.
2241
2242 2005-05-26  Roger Sayle  <roger@eyesopen.com>
2243
2244         PR tree-optimization/9814
2245         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
2246         instruction, add the necessary clobbers by re-expanding the RTL
2247         for arithmetic operations via optab.c's expand_unop/expand_binop.
2248         (noce_try_bitop): New function to optimize bit manipulation idioms
2249         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
2250         (noce_process_if_block): Call noce_try_bitop.
2251
2252 2005-05-26  Roger Sayle  <roger@eyesopen.com>
2253
2254         * reg-stack.c (convert_regs_entry, convert_regs_exit,
2255         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
2256         (reg_to_stack): Move to end of the file.  Initialize the per
2257         basic block information here, instead of...
2258         (convert_regs_entry): Here.
2259         (convert_regs): Change unused return type to void.
2260
2261 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2262
2263         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
2264         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
2265         config/rs6000/eabispe.h, config/rs6000/lynx.h,
2266         config/sh/elf.h, config/sh/symbian-pre.h,
2267         config/sparc/sparc-protos.h: Update copyright.
2268
2269 2005-05-26  Mike Stump  <mrs@apple.com>
2270
2271         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
2272         for Objective-C++.
2273         
2274 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
2275
2276         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2277         See through ADDR_EXPR in finding place to propagate into.
2278
2279 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
2280
2281         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
2282         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
2283         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
2284         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
2285         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
2286         tree-ssa-operands.c, tree-vect-analyze.c,
2287         tree-vect-transform.c, tree-vectorizer.c, tree.c,
2288         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
2289         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
2290         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2291         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
2292         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
2293         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
2294         config/sh/ushmedia.h, config/sparc/sparc.c,
2295         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
2296         typos.  Follow spelling conventions.
2297         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
2298         Follow spelling conventions.
2299
2300 2005-05-26  David Ung  <davidu@mips.com>
2301
2302         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
2303         that determines whether the MIPS32/64 R2 ext/ins should be used.
2304         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
2305         * config/mips/mips.md (extzv): Changed predicate for operand to
2306         nonimmediate_operand. Add code to generate insn patterns for
2307         extzvsi and extzvdi.
2308         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
2309         (insv): Similarly for insertion.
2310         (insv<mode>): Similarly.
2311
2312 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2313
2314         * simplify-rtx.c (avoid_constant_pool_reference): Support
2315         offsetted addresses in the constant pool.
2316
2317 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2318
2319         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
2320         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
2321
2322 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
2323
2324         PR target/21716
2325         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
2326         found in the basic block and last insn in the basic block is not
2327         INSN_P.  Remove explicit unspec numbers that are no longer valid
2328         from comments.
2329
2330 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2331
2332         * tree-vect-transform.c (vectorizable_operation): Try word_mode
2333         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
2334         if a vector mode is available.
2335
2336 2005-05-25  Roger Sayle  <roger@eyesopen.com>
2337
2338         PR middle-end/21709
2339         * fold-const.c (const_binop): Check for division by zero during
2340         complex division.
2341
2342 2005-05-26  Ian Lance Taylor  <ian@airs.com>
2343
2344         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
2345         having a declaration after a statement.
2346
2347 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
2348
2349         * opt-functions.awk (var_type): New function.
2350         (var_set): Use CLVC_STRING if var_type returns "const char *".
2351         * opth-gen.awk: Use var_type to find out the types of variables.
2352         Don't print comments above each "extern" definition.
2353         * optc-gen.awk: Use var_type in the same way.
2354         * opts.h (cl_var_cond): Rename to...
2355         (cl_var_type): ...this.  Add CLVC_STRING.
2356         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
2357         with "var_type".
2358         * opts.c (handle_option, option_enabled): Update after above name
2359         change.  Cast flag_var before using it.  Handle CLVC_STRING.
2360         
2361         * config/alpha/alpha.h (alpha_tls_size): Delete.
2362         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
2363         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
2364         (alpha_fptm_string, alpha_mlat_string): Delete.
2365         (alpha_handle_option): Don't set the above variables here.  Use the
2366         integer argument to check the validity of -mtls-size=.
2367         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
2368         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
2369         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
2370         variable to 32.
2371
2372         * config/arc/arc.c (arc_cpu_string, arc_text_string)
2373         (arc_data_string, arc_rodata_string): Delete.
2374         (arc_handle_option): Don't set the above variables here.
2375         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
2376         and initialize them.
2377
2378         * config/arm/arm.c (target_fpu_name, target_fpe_name)
2379         (target_float_abi_name, target_abi_name, structure_size_string)
2380         (arm_pic_register_string): Delete.
2381         (arm_handle_option): Don't set the above variables here, except
2382         in the handling of -mhard-float and -msoft-float.
2383         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
2384         (mpic-register=, mstructure-size-boundary=): Add Var()s.
2385
2386         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
2387         (avr_handle_option): Delete.
2388         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
2389         them.
2390
2391         * config/bfin/bfin.c (bfin_library_id): Delete.
2392         (bfin_handle_option): Don't set it.
2393         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
2394
2395         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
2396         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
2397         (c4x_handle_option): Don't set c4x_rpts_cycles here.
2398         * config/c4x/c4x.opt (mrpts=): Add Var().
2399
2400         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
2401         cris_elinux_stacksize_str here.
2402         * config/cris/aout.opt (melinux-stacksize=): Add Var().
2403         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
2404         (cris_tune_str, cris_elinux_stacksize_str): Delete.
2405         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
2406         (cris_tune_str, cris_elinux_stacksize_str): Delete.
2407         (cris_handle_option): Don't set the above variables here.
2408         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
2409         (max-stackframe=): Add Var()s.
2410
2411         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
2412         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
2413         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
2414         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
2415         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
2416         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
2417         (ix86_handle_option): Don't set the above variables here.
2418         * config/i386/i386.opt (malign-functions=, malign-jumps=)
2419         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
2420         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
2421         Var()s.
2422
2423         * config/ia64/ia64.h (ia64_tls_size): Delete.
2424         * config/ia64/ia64.c (ia64_tls_size): Delete.
2425         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
2426         reading the integer argument from the "value" parameter.  Don't
2427         set ia64_tls_size here.
2428         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
2429         Add Var() and Init().
2430
2431         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
2432         (m32r_cache_flush_trap): Delete.
2433         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
2434         (m32r_cache_flush_trap): Delete.
2435         (m32r_handle_option): Don't set the above variables when handling
2436         -mflush-func= and -mflush-trap=.
2437         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
2438         and Init()s.
2439
2440         * config/mips/mips.h (mips_cache_flush_func): Delete.
2441         * config/mips/mips.c (mips_arch_string, mips_tune_string)
2442         (mips_cache_flush_func): Delete.
2443         (mips_handle_option): Don't set the above variables when handling
2444         -march=, -mtune= and -mflush-func=.
2445         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
2446
2447         * config/s390/s390.c (s390_arch_string): Delete.
2448         (s390_handle_option): Don't set it here.
2449         * config/s390/s390.opt (march=): Add Var().
2450
2451         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
2452         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
2453         (sparc_handle_option): Don't set it here.
2454         * config/sparc/sparc.opt (mcmodel=): Add Var().
2455
2456 2005-05-25  Roger Sayle  <roger@eyesopen.com>
2457
2458         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
2459         call to convert_to_integer by building the NOP_EXPR directly.
2460
2461 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
2462
2463         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
2464
2465 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
2466             Jeff Law  <law@redhat.com>
2467
2468         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
2469         constant and side_effects of the ADDR_EXPR are consistent.
2470
2471         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
2472         appropriately around calls to recompute_tree_invarant_for_addr_expr.
2473
2474 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
2475
2476         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
2477         (s390_function_arg, s390_gimplify_va_arg): Use them.
2478         (s390_register_info): Save only required subset of argument
2479         registers into save area for va_list.
2480         (s390_va_start): Initialize only required elements of va_list struct.
2481         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
2482
2483 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
2484
2485         * reload1.c (verify_initial_elim_offsets): Return boolean status
2486         instead of aborting.
2487         (reload): Adapt verify_initial_elim_offsets call site.  Restart
2488         main loop if some initial elimination offsets changed.
2489
2490 2005-05-25  Adam Nemet  <anemet@lnxw.com>
2491
2492         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
2493         of -mno-svr4-struct-return.
2494
2495 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
2496
2497         Fix PR tree-optimization/21705
2498         
2499         * tree-ssa-pre.c (in_fre): New static variable.
2500         (create_value_expr_from): Recursively value number reference ops
2501         in argument lists.
2502         (can_value_number_call): Temporary restrict only exists for
2503         PRE, not FRE.
2504
2505 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
2506
2507         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
2508         sizeof (bitmap *) with sizeof (bitmap).
2509
2510 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
2511
2512         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
2513         condition.
2514
2515 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
2516
2517         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
2518         hook_bool_rtx_true.
2519
2520 2005-05-25  Jan Hubicka  <jh@suse.cz>
2521
2522         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
2523         * cgraph.c (cgraph_create_node): Reset estimated_growth.
2524         * cgraph.h (cgraph_global_info): Add estimated_growth.
2525         * ipa-inline.c: Include coverage.h
2526         (max_insns, max_count): New static variables.
2527         (cgraph_estimate_size_after_inlining): Cache the result.
2528         (cgraph_estimate_growth):
2529         * passes.c (rest_of_clean_state): Kill coverage_end_function.
2530         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
2531         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
2532         inlining.
2533         (ipa_passes): Initialize bitmaps.
2534
2535 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
2536
2537         * loop-doloop.c: Include "target.h". 
2538           (doloop_valid_p): Move tests to function in targhooks.c.
2539         * target.h (struct gcc_target): New target hook
2540           "insn_valid_within_doloop".
2541         * target-def.h: Define default value for "insn_valid_within_doloop".
2542           (TARGET_INITIALIZER): Insert new target hook into initializer.
2543         * targhooks.c (default_insn_valid_within_doloop): New function.
2544         * targhooks.h (default_insn_valid_within_doloop): Declare.
2545         * hooks.c (hook_bool_rtx_true): New function.
2546         * hooks.h (hook_bool_rtx_true): Declare.
2547         * doc/tm.texi: Add documentation for new target hook.
2548
2549 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2550
2551         PR target/21412
2552         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
2553         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
2554         (sparc_tls_referenced_p): New prototype.
2555         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
2556         (sparc_expand_move): Look for TLS addresses with constant offsets.
2557         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
2558         tls_symbolic_operand.
2559         (legitimate_pic_operand_p): Likewise.
2560         (legitimate_address_p): Likewise.
2561         (legitimize_address): Likewise.
2562         (sparc_tls_symbol_ref_1): New function.
2563         (sparc_tls_referenced_p): New function.
2564         * config/sparc/predicates.md (tgd_symbolic_operand): Use
2565         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
2566         (tld_symbolic_operand): Likewise.
2567         (tie_symbolic_operand): Likewise.
2568         (tle_symbolic_operand): Likewise.
2569
2570 2005-05-24  DJ Delorie  <dj@redhat.com>
2571         
2572         * common.opt (-Wattributes): New.  Default true.
2573         * doc/invoke.texi (-Wno-attributes): Document.
2574         
2575         * attribs.c (decl_attributes): Move warning control from if() to
2576         warning(OPT_*).
2577         * c-common.c (handle_packed_attribute): Likewise.
2578         (handle_nocommon_attribute): Likewise.
2579         (handle_common_attribute): Likewise.
2580         (handle_noreturn_attribute): Likewise.
2581         (handle_noinline_attribute): Likewise.
2582         (handle_always_inline_attribute): Likewise.
2583         (handle_used_attribute): Likewise.
2584         (handle_unused_attribute): Likewise.
2585         (handle_const_attribute): Likewise.
2586         (handle_transparent_union_attribute): Likewise.
2587         (handle_constructor_attribute): Likewise.
2588         (handle_destructor_attribute): Likewise.
2589         (handle_mode_attribute): Likewise.
2590         (handle_alias_attribute): Likewise.
2591         (handle_visibility_attribute): Likewise.
2592         (handle_tls_model_attribute): Likewise.
2593         (handle_malloc_attribute): Likewise.
2594         (handle_returns_twice_attribute): Likewise.
2595         (handle_pure_attribute): Likewise.
2596         (handle_deprecated_attribute): Likewise.
2597         (handle_vector_size_attribute): Likewise.
2598         (handle_nothrow_attribute): Likewise.
2599         (handle_cleanup_attribute): Likewise.
2600         (handle_warn_unused_result_attribute): Likewise.
2601         (handle_sentinel_attribute): Likewise.
2602         * c-decl.c (diagnose_mismatched_decls): Likewise.
2603         (start_decl): Likewise.
2604         (grokdeclarator): Likewise.
2605         (start_function): Likewise.
2606         * c-format.c (check_function_format): Likewise.
2607         * stor-layout.c (place_field): Likewise.
2608         (finalize_record_size): Likewise.
2609         * tree.c (handle_dll_attribute)): Likewise.
2610         * varasm.c (default_assemble_visibility): Likewise.
2611         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
2612         (darwin_assemble_visibility): Likewise.
2613         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
2614         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
2615         (arm_handle_isr_attribute): Likewise.
2616         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
2617         (avr_handle_fndecl_attribute): Likewise.
2618         * config/bfin/bfin.c (handle_int_attribute): Likewise.
2619         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
2620         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
2621         (h8300_handle_eightbit_data_attribute): Likewise.
2622         (h8300_handle_tiny_data_attribute): Likewise.
2623         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
2624         (ix86_handle_regparm_attribute): Likewise.
2625         (ix86_handle_struct_attribute): Likewise.
2626         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
2627         (i386_pe_encode_section_info): Likewise.
2628         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2629         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
2630         (ip2k_handle_fndecl_attribute): Likewise.
2631         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
2632         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
2633         (m68hc11_handle_fntype_attribute): Likewise.
2634         (m68hc11_encode_section_info): Likewise.
2635         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2636         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2637         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
2638         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
2639         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
2640         (sh_handle_sp_switch_attribute): Likewise.
2641         (sh_handle_trap_exit_attribute): Likewise.
2642         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
2643         (sh_symbian_handle_dll_attribute): Likewise.
2644         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
2645         (xstormy16_handle_below100_attribute): Likewise.
2646         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2647
2648         * c-common.c (unsigned_conversion_warning): Move warning control
2649         from if() to warning(OPT_*).
2650         (c_common_truthvalue_conversion): Likewise.
2651         (c_do_switch_warnings): Likewise.
2652         * c-decl.c (diagnose_mismatched_decls): Likewise.
2653         (diagnose_mismatched_decls): Likewise.
2654         (define_label): Likewise.
2655         (grokdeclarator): Likewise.
2656         * c-format.c (check_format_info): Likewise.
2657         * c-lex.c (interpret_integer): Likwise.
2658         (lex_string): Likewise.
2659         * c-opts.c (c_common_post_options): Likewise.
2660         * c-parser.c (c_parser_unary_expression): Likewise.
2661         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
2662         (handle_pragma_extern_prefix): Likewise.
2663         * c-typeck.c (build_binary_op): Likewise.
2664         * gcse.c (is_too_expensive): Likewise.
2665         * opts.c (decode_options): Likewise.
2666         * stor-layout.c (place_field): Likewise.
2667         * tree-cfg.c (remove_bb): Likewise.
2668
2669         * c.opt (-Wreturn-type): Add Var(warn_return_type).
2670         * flags.h (warn_return_type): Remove.
2671         * toplev.c (warn_return_type): Likewise.
2672
2673 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
2674
2675         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
2676         existence of long long and __int64 before determining their size.
2677         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
2678         * configure, config.h.in:  Regenerate.
2679
2680 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
2681
2682         * configure: Regenerate.
2683
2684 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
2685
2686         * c-common.h (objc_comptypes): Remove prototype.
2687         (objc_compare_types): New prototype.
2688         (objc_volatilized_decl): Likewise.
2689         (objc_type_quals_match): Likewise.
2690         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
2691         objc_volatilize_decl().
2692         * c-typeck.c (comp_target_types): Remove third parameter; do
2693         not call objc_comptypes().
2694         (comptypes): Remove calls to objc_comptypes().
2695         (build_function_call): Extend compatible prototype check to ObjC.
2696         (build_conditional_expr): Adjust call to comp_target_types().
2697         (convert_for_assignment): Call objc_compare_types() instead of
2698         objc_comptypes(); adjust calls to comp_target_types(); call
2699         objc_type_quals_match() before issuing qualifier mismatch
2700         warnings.
2701         (build_binary_op): Call objc_compare_types() before issuing
2702         pointer mismatch warnings; adjust calls to
2703         comp_target_types().
2704         * stub-objc.c (objc_comptypes): Remove stub.
2705         (objc_compare_types): New stub.
2706         (objc_volatilized_decl): Likewise.
2707         (objc_type_quals_match): Likewise.
2708
2709 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
2710
2711         * config/ia64/ia64intrin.h: Define nothing for C++:
2712         overloaded builtins have been ported to C++.
2713
2714 2005-05-24  Jeff Law  <law@redhat.com>
2715
2716         * tree-nested.c (build_addr): New "context" argument.  Temporarily
2717         set current_function_decl around the call to build the ADDR_EXPR.
2718         (get_static_chain): Pass proper context to build_addr.
2719         (convert_nl_goto_reference): Likewise.
2720         (convert_tramp_reference): Likewise.
2721         (final_nesting_tree_1): Likewise.
2722         * tree-profile.c (tree_gen_interval_profiler): Likewise.
2723         (tree_gen_pow2_profiler): Likewise.
2724         (tree_gen_one_value_profiler): Likewise.
2725         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
2726         * tree.h (build_addr): Update prototype.
2727
2728 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
2729
2730         * tree-flow.h (bb_ann_d): Remove has_escape_site.
2731         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
2732         write to has_escape_site.
2733
2734 2005-05-24  Jeff Law  <law@redhat.com>
2735
2736         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
2737         * tree-cfg.c: Include tree-ssa-propagate.h.
2738         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
2739         needed.
2740
2741 2005-05-24  Nick Clifton  <nickc@redhat.com>
2742
2743         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2744         __NO_FPRS__ when 'f' class registers will not be available. 
2745
2746 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2747
2748         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
2749         nothing was done.
2750         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
2751         nothing then FAIL.
2752         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
2753         prototype.
2754
2755 2005-05-23  Jeff Law  <law@redhat.com>
2756
2757         * tree-ssa-dom.c (cprop_into_stmt): Do not call
2758         recompute_tree_invariant_for_addr_expr here.
2759         (optimize_stmt): Call it here instead and do so if anything
2760         at all has changed in the statement and the RHS is an ADDR_EXPR.
2761         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
2762         needed, call recompute_tree_invariant_for_addr_expr.
2763         * tree-ssa-propagate.c (substitute_and_fold): Call
2764         recompute_tree_invariant_for_addr_expr as needed.
2765
2766 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2767
2768         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
2769         saving less registers than the replacement.
2770
2771 2005-05-23  Jan Hubicka  <jh@suse.cz>
2772
2773         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
2774
2775 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
2776
2777         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
2778         * config/sparc/sparc.c (sparc_expand_move): New function.
2779         (sparc_emit_set_const64): Rewrite assert condition on entry.
2780         (legitimate_constant_p) <CONST_VECTOR>: New case.
2781         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
2782         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
2783         movV64, movtf): Use nonimmediate_operand for the first operand.
2784         Rewrite.  Only invoke sparc_expand_move.
2785         * config/sparc/predicates.md (input_operand): Reorder tests.
2786
2787 2005-05-23  Jan Beulich  <jbeulich@novell.com>
2788
2789         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
2790         missing return statement.
2791
2792 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2793
2794         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
2795         emit_move_insn for moves to TFmode stack slots.
2796
2797 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
2798
2799         * tree-stdarg.c (execute_optimize_stdarg): Handle references
2800         to va_list of the form &va[0].
2801
2802 2005-05-20  Jan Hubicka  <jh@suse.cz>
2803
2804         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
2805         * genemit.c (main): Make insn-emit to include basic-block.h too.
2806
2807 2005-05-20  Jan Hubicka  <jh@suse.cz>
2808
2809         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
2810
2811 2005-05-19  Richard Henderson  <rth@redhat.com>
2812
2813         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
2814         emit_store_conditional): Split out from ...
2815         (alpha_split_atomic_op): ... here.
2816         (alpha_split_compare_and_swap): New; extract from .md file.
2817         (alpha_split_lock_test_and_set): Likewise.
2818         * config/alpha/alpha-protos.h: Update.
2819         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
2820         split code into alpha.c.
2821         (sync_lock_test_and_set<I48MODE>): Likewise.
2822
2823 2005-05-19  Richard Henderson  <rth@redhat.com>
2824
2825         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
2826
2827 2005-05-19  Richard Henderson  <rth@redhat.com>
2828
2829         * config/i386/sse.md (mulv4si3): Use all register inputs.
2830         (mulv2di3): Likewise.
2831
2832 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
2833
2834         * tree-ssa-loop-ivopts.c (determine_base_object): Use
2835         build_fold_addr_expr to generate trees of correct type.
2836         Use fold_buildN if possible.
2837
2838 2005-05-19  Jan Hubicka  <jh@suse.cz>
2839
2840         * basic-block.h (REG_BR_PROB_BASE): Define.
2841         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
2842         (dump_cgraph_node): Dump count.
2843         (cgraph_clone_edge): Rescale counts.
2844         (cgraph_clone_node): Likewise.
2845         * cgraph.h: Include basic-block.h
2846         (cgraph_node): Add count.
2847         (cgraph_edge): Add count and loop_nest.
2848         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
2849         Update prototypes.
2850         * cgraphunit.c: Kill now redundant inlining comment.
2851         (cgraph_create_edges): Make static, maintain current basic block;
2852         fix pasto.
2853         (record_call_1): Fill in new fields.
2854         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2855         cgraph_clone_node.
2856         (cgraph_decide_recursive_inlining): Likewise.
2857         * rtl.h (REG_BR_PROB_BASE): Kill.
2858         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
2859         (expand_call_inline): Update call of cgraph_create_edge.
2860         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2861
2862 2005-05-19  Nick Clifton  <nickc@redhat.com>
2863
2864         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
2865         new rs6000_explicit_options structure.
2866
2867 2005-05-19  Richard Henderson  <rth@redhat.com>
2868
2869         PR target/21390
2870         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
2871         TFmode code swapping ...
2872         (alpha_emit_xfloating_compare): ... here.
2873         (alpha_emit_setcc): Update to match.
2874         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
2875
2876 2005-05-19  Richard Henderson  <rth@redhat.com>
2877
2878         PR target/21657
2879         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
2880         memory indirection in local-dynamic case.
2881
2882 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
2883             Bernd Schmidt  <bernd.schmidt@analog.com>
2884
2885         * config/bfin/bfin.c (branch_dest): Add comment why it's
2886         necessary.
2887         * config/bfin/bfin.md (attr "length" default): Change the offset of
2888         forward conditional branch of length 4 from 4096 to 4092.
2889
2890 2005-05-19  Jan Beulich  <jbeulich@novell.com>
2891
2892         * unwind-compat.c: Include tconfig.h and tsystem.h.
2893         * unwind-dw2-fde-compat.c: Likewise.
2894
2895 2005-05-18  Richard Henderson  <rth@redhat.com>
2896
2897         PR 21541
2898         * ifcvt.c (noce_process_if_block): Avoid conversion when the
2899         memory destination is readonly.
2900
2901 2005-05-18  Richard Henderson  <rth@redhat.com>
2902
2903         PR 21541
2904         * tree-ssa-operands.c (opf_non_specific): New.
2905         (get_asm_expr_operands): Set it.
2906         (add_call_clobber_ops, add_call_read_ops): Likewise.
2907         (add_stmt_operand): Test it instead of opf_kill_def when
2908         considering unmodifiable variables.
2909
2910         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
2911
2912 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
2913
2914         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
2915         tree-ssa-forwprop.c: Fix comment typos.
2916         * doc/invoke.texi: Fix a typo.
2917
2918 2005-05-18  Richard Henderson  <rth@redhat.com>
2919
2920         * config.gcc (powerpc-*-linux*): Include linux64.opt when
2921         including linux64.h.
2922
2923 2005-05-18  Richard Henderson  <rth@redhat.com>
2924
2925         * tree-cfg.c (pass_remove_useless): Revert last change.
2926         * tree-optimize.c (init_tree_optimization_passes): Initialize
2927         all_lowering_passes with PROP_gimple_any.
2928
2929 2005-05-18  Devang Patel  <dpatel@apple.com>
2930
2931         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
2932         the mask end.
2933         
2934 2005-05-18  Richard Henderson  <rth@redhat.com>
2935
2936         * tree-ssa-forwprop.c (cfg_changed): New.
2937         (tidy_after_forward_propagate_addr): New.
2938         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
2939         (forward_propagate_addr_into_variable_array_index): Likewise.
2940         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
2941         edges were removed.
2942
2943 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
2944
2945         * dummy-checksum.c: New.
2946         * genchecksum.c: New.
2947         * c.opt (print_pch_checksum): New flag.
2948         * c-pch.c (struct c_pch_validity): Make much shorter.
2949         (no_checksum): New.
2950         (host_machine): Remove.
2951         (target_machine): Remove.
2952         (get_ident): Change PCH version number.
2953         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
2954         Don't put triplets or version string in PCH validity data.
2955         Do put the compiler checksum in the validity data.
2956         (c_common_valid_pch): Don't check triplets or version string.  Do
2957         check checksum.
2958         (c_common_print_pch_checksum): New.
2959         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
2960         Print fingerprint with -v.
2961         * c-common.h (c_common_print_pch_checksum): New.
2962         (executable_checksum): New.
2963         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
2964         (cc1-dummy): New rule.
2965         (cc1-checksum.c): New rule.
2966         (cc1-checksum.o): New rule.
2967         (cc1): Add checksum support.
2968         (build/genchecksum): New.
2969         (build/genchecksum.o): New.
2970         (dummy-checksum.o): New.
2971         (genobjnames): Add genchecksum.o.
2972         (mostlyclean): Remove *-checksum.c.
2973         (gnucompare): Add libgcc to list of directories checked.
2974         Make comparison problems in libgcc/ and with checksum files only
2975         be warnings.
2976         * doc/invoke.texi (Precompiled Headers): Remove caution.
2977         Document that it must be the exact same binary.  Add a few
2978         known-safe flags to the list.
2979
2980         * rs6000/predicates.md (fix_trunc_dest_operand): New.
2981         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
2982         Check that a memory operand is valid before trying to use it.
2983         
2984         * tree-cfg.c (pass_remove_useless): This pass works on trees.
2985
2986 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
2987
2988         * tree.c (build1_stat): Don't try to handle two-operand
2989         tree codes.
2990
2991 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
2992
2993         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
2994         * config/sh/sh.h: Update mask names throughout.
2995         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
2996         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
2997         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
2998         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
2999         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
3000         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
3001         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
3002         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
3003         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
3004         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
3005         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
3006         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
3007         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
3008         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
3009         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
3010         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
3011         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
3012         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
3013         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
3014         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
3015         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
3016         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
3017         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
3018         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
3019         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
3020         (SUBTARGET_SWITCHES): Delete.
3021         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
3022         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
3023         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
3024         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
3025         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
3026         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
3027         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
3028         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
3029         (SUPPORT_SH3): Likewise SUPPORT_SH2.
3030         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
3031         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
3032         SUPPORT_SH4_NOFPU.
3033         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
3034         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
3035         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
3036         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
3037         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
3038         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
3039         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
3040         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
3041         (SUPPORT_ANY_SH5): New macros.
3042         (TARGET_NONE): Replace with...
3043         (MASK_ARCH): ...this new macro.
3044         * config/sh/elf.h: Update mask names
3045         * config/sh/linux.h: Likewise.
3046         * config/sh/little.h: Likewise.
3047         * config/sh/netbsd-elf.h: Likewise.
3048         * config/sh/symbian-pre.h: Likewise.
3049         * config/sh/sh.c (sh_handle_option): New function.
3050         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3051         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
3052         (sh_target_switches, target_switches): Delete.
3053         (sh_pch_valid_p): Check for specific differences in the target_flags
3054         settings.
3055         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
3056         * config/sh/sh.opt: New file.
3057
3058 2005-05-18  Richard Henderson  <rth@redhat.com>
3059
3060         PR target/21632
3061         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
3062         small_addr_symbolic_operand.
3063
3064 2005-05-18  Jeff Law  <law@redhat.com>
3065
3066         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
3067         propagate an ADDR_EXPR if the definition and use sites are
3068         in different EH regions.
3069
3070 2005-05-18  Ian Lance Taylor  <ian@airs.com>
3071
3072         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
3073         obstack_grow.
3074
3075 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
3076
3077         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
3078
3079 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
3080         
3081         Fix PR tree-optimization/21407
3082
3083         * tree-ssa-operands.c (note_addressable): Change
3084         COMPONENT_REF handling in response to aliasing
3085         discussion.
3086
3087 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3088
3089         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
3090         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
3091         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
3092         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
3093         the default on Solaris too.
3094
3095 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
3096
3097         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
3098         is okay too.
3099
3100 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
3101
3102         * timevar.def (TV_SCEV_CONST): New timevar.
3103         * tree-optimize.c (init_tree_optimization_passes): Add
3104         pass_scev_cprop.
3105         * tree-pass.h (pass_scev_cprop): Declare.
3106         * tree-scalar-evolution.c (scev_const_prop): New function.
3107         * tree-scalar-evolution.h (scev_const_prop): Declare.
3108         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
3109         New.
3110         * tree-cfg.c (replace_uses_by): Export.
3111         * tree-flow.h (replace_uses_by): Declare.
3112
3113 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
3114             Mike Stump  <mrs@apple.com>
3115
3116         Yet more Objective-C++...
3117
3118         * c-common.h (objc_finish_try_stmt): Add.
3119         (objc_build_synchronized): Add.
3120         (objc_generate_write_barrier): Add.
3121         * stub-objc.c (objc_build_synchronized): Add return value.
3122         (objc_finish_try_stmt): Likewise.
3123         (objc_generate_write_barrier): Add.
3124
3125         * c-common.h (objc_rewrite_function_call): Add.
3126         * c-typeck.c (build_function_call): Allow objc to rewrite
3127         FUNCTION_DECLs.
3128         (build_modify_expr): Allow objc to generate write barriers.
3129         * c.opt (Wassign-intercept): Add.
3130         (Wstrict-selector-match): Add.
3131         (fobjc-call-cxx-cdtors): Add.
3132         (fobjc-direct-dispatch): Add.
3133         (fobjc-gc): Add.
3134         * dbxout.c (get_lang_number): Add Objective-C++ support.
3135         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
3136         (-Wstrict-selector-match): Likewise.
3137         (-fobjc-direct-dispatch): Likewise.
3138         (-Wassign-intercept): Likewise.
3139         (Overall Options): Likewise.
3140         * gengtype.c (get_output_file_with_visibility): Likewise.
3141         * stub-objc.c (objc_rewrite_function_call): Add.
3142         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
3143
3144         * c-common.c (flag_objc_exceptions): Remove.
3145         (flag_objc_sjlj_exceptions): Remove.
3146         * c-decl.c (objc_mark_locals_volatile): Don't change decls
3147         that are already ok.
3148         * c-opts.c (c_common_handle_option, case
3149         OPT_fobjc_exceptions): Remove.
3150         (case OPT_fobjc_sjlj_exceptions): Remove
3151         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
3152         (fobjc-exceptions): Likewise.
3153         (fobjc-sjlj-exceptions): Likewise.
3154         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
3155         (OFFS_ASSIGNIVAR_FAST): Add.
3156         
3157 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3158
3159         * config/sparc/sparc.md (movhi): Do not test constness
3160         of operand #1 twice.
3161         (movsi): Likewise.
3162         (movdi): Unconditionally accept zero as second operand
3163         when the first is memory.
3164         (movdi_insn_sp32): Handle above case.
3165         (DImode splitter): Use predicates.
3166         (DImode splitter): Use const_zero_operand predicate.
3167         (movsf_insn): Swap 2 alternatives.
3168
3169 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
3170
3171         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
3172         expand_simple_operations to bases of the ivs.
3173         (tree_int_cst_sign_bit): Export.
3174         * tree-flow.h (expand_simple_operations): Declare.
3175         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
3176         tree_int_cst_sign_bit.
3177         (expand_simple_operations): Export.
3178         * tree.h (tree_int_cst_sign_bit): Declare.
3179
3180 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
3181
3182         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
3183         merged block.
3184         (replace_uses_by): New function.
3185         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
3186         * tree-flow.h (fold_stmt_inplace): Declare.
3187         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
3188         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
3189         info after cfg cleanup.
3190
3191 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
3192
3193         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
3194         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
3195         const.
3196
3197 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
3198
3199         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
3200         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
3201         * timevar.c (timevar_ggc_mem_total): New variable.
3202         (GGC_MEM_BOUND): New constant.
3203         (get_time): Record ggc memory status.
3204         (timevar_accumulate): Accumulate amount of ggc memory.
3205         (timevar_print): Print consumption of ggc memory.
3206         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
3207         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
3208         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
3209         * timevar.h (struct timevar_time_def): Add ggc_mem field.
3210         (timevar_ggc_mem_total): Declare.
3211
3212 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
3213
3214         * tree-into-ssa.c (update_ssa): Clean up by shortening the
3215         live range of DFS.
3216
3217 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
3218
3219         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
3220         define_code_attr.
3221         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
3222         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
3223         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
3224         ("s<ocond:code>"): Rename from respectively "b<ncond>",
3225         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
3226         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
3227         "s<rcond>" and "s<ocond>".
3228         ("b<ocond:code>", "*b<ocond:code>_reversed")
3229         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
3230         output statement section.
3231
3232 2005-05-17  Roger Sayle  <roger@eyesopen.com>
3233
3234         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
3235
3236 2005-05-17  Steven Bosscher  <stevenb@suse.de>
3237             Stuart Hastings <stuart@apple.com>
3238             Jan Hubicka  <jh@suse.cz>
3239             Dale Johannesen  <dalej@apple.com>
3240
3241         * cgraph.h (cgraph_node): Add 'lowered' state.
3242         (cgraph_lower_function): Declare.
3243         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
3244         (cgraph_lower_function): New function.
3245         (cgraph_create_edges): Deal with lowered function bodies.
3246         (verify_cgraph_node): Likewise.
3247         (cgraph_analyze_function): Do lowering job.
3248         (cgraph_build_static_cdtor): Likewise.
3249         * function.h (struct function): Add saved_eh and saved_cfg.
3250         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
3251         * tree-cfg.c (fold_cond_expr_cond): Export.
3252         * tree-flow.h (fold_cond_expr_cond): Declare.
3253         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
3254         pointer-set.
3255         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
3256         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
3257         callee_cfun, block, eh_region, eh_region_offset.
3258         (inlining_p): New predicate.
3259         (remap_decl): Update for new inline_data; declare newly created inline
3260         vars in low gimple way.
3261         (copy_body_r): Update for new datastructure, simplify some of handling
3262         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
3263         deal with RESX_EXPRs.
3264         (copy_bb): New.
3265         (copy_edges_for_bb): Likewise.
3266         (remap_decl_1): New.
3267         (copy_cfg_body): New.
3268         (copy_generic_body): Rewrite to work on low gimple.
3269         (copy_body): Turn into simple wrapper around copy_cfg_body.
3270         (setup_one_parameter): Insert new statements into given basic block.
3271         (initialize_initialized_parameters): Likewise, reorganize way things are
3272         gimplified.
3273         (declare_return_variable): Update for new inline data datastructure.
3274         (inline_forbidden_p): Work on low gimple.
3275         (estimate_num_insns): Likewise.
3276         (expand_call_inline): Work on CFG.
3277         (push_cfun, pop_cfun): New functions.
3278         (cfun_stack): New stack.
3279         (add_lexical_block): New function.
3280         (gimple_expand_calls_inline): Work on basic block.
3281         (optimize_inline_calls): Likewise.
3282         (clone_body, save_body, unsave_ewpr_now): Update for new
3283         datastructures.
3284         (declare_inline_vars): Work on block instead of bind_expr.
3285         (inlining_p): New predicate.
3286         * tree-inline.h (push_cfun, pop_cfun): Declare.
3287         * tree-optimize.c: Include except.h
3288         (all_lowering_passes): New variable.
3289         (execute_fixup_cfg, pass_fixup_cfg): New pass.
3290         (init_tree_optimization_passes): Move some to all_lowering_passes.
3291         (tree_lowering_passes): New function.
3292         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
3293         * tree-pass.h (tree_lowering_passes): Declare
3294
3295 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
3296
3297         * unwind-dw2-fde-darwin.c: Include tsystem.h.
3298
3299 2005-05-17  Jeff Law  <law@redhat.com>
3300
3301         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
3302         * tree-ssa-forwprop.c: Include langhooks.h.
3303         (forward_propagate_addr_expr_into_variable_array_index): New.
3304         (forward_propagate_addr_expr): New.
3305         (tree_ssa_forward_propagate_single_use_vars): Loop over all
3306         the statements in the block instead of just the last statement.
3307         Call forward_propagate_addr_expr as needed.
3308         (pass_forwprop): Update the SSA graph after forward propagation is
3309         complete.
3310
3311 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
3312
3313         * unwind-dw2-fde-glibc.c (base_from_cb_data,
3314         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
3315         appropriate.
3316         * unwind-dw2-fde.c (__deregister_frame_info_bases,
3317         base_from_object, fde_split, end_fde_sort): Likewise.
3318         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
3319         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
3320         uw_init_context_1): Likewise.
3321         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
3322         _Unwind_Resume_or_Rethrow): Likewise.
3323         * unwind-pe.h (__gxx_abort): Do not define.
3324         (size_of_encoded_value, base_of_encoded_value,
3325         read_encoded_value_with_base): Use gcc_unreachable.
3326         * unwind.h (_Unwind_GetTextRelBase): Likewise.
3327
3328 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
3329
3330         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
3331         (cfi_end): New macros.
3332         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
3333         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
3334         an eight byte stack frame.
3335         (__NR_tkill): Define.
3336         (__div0): Use gettid tkill on GNU/Linux.
3337         (_arm_return): Add CFI.
3338         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
3339
3340 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
3341
3342         * configure.ac: Remove spaces around assignment to
3343         gcc_cv_ld_sysroot.
3344         * configure: Regenerated.
3345
3346 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
3347
3348         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
3349         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
3350         aix_struct_ret.
3351         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
3352         Modify aix_struct_return variable, not target_flags.
3353         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
3354         (rs6000_return_in_memory): Test aix_struct_return.
3355         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
3356         independent variable.  Report mxl-compat.
3357
3358 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3359
3360         * config/bfin/bfin.md (eh_return): Add missing DONE.
3361
3362 2005-05-17  Ian Lance Taylor  <ian@airs.com>
3363
3364         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
3365         field.
3366         (mode_attr_index): Remove check for defined attribute.  Remove
3367         infile parameter.  Change all callers.
3368         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
3369         return after finding attribute.
3370         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
3371         callers.
3372         (apply_macro_traverse): Set mtd->unknown_mode_attr.
3373         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
3374         attribute used for a mode.
3375
3376 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3377
3378         * tree-ssa-math-opts.c: New file.
3379
3380 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3381
3382         * tree-ssa-math-opts.c: New file.
3383
3384 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3385
3386         * Makefile.in: Add tree-ssa-math-opts.c.
3387         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
3388         * fold-const.c (distribute_real_division): New.
3389         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
3390         * tree-pass.h (pass_cse_reciprocals): New.
3391         * tree-optimize.c (init_tree_optimization_passes): Run it.
3392         * doc/passes.texi: Document the new pass.
3393
3394 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
3395
3396         PR middle-end/21595
3397         * builtins.c (fold_builtin_constant_p): Handle
3398         &"string cst"[0] as constant.
3399
3400 2005-05-17  Richard Henderson  <rth@redhat.com>
3401
3402         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
3403
3404 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
3405
3406         PR middle-end/21492
3407         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
3408         src2 if src2 has been split.
3409
3410         PR tree-optimization/21610
3411         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
3412         returning DECL, call unshare_expr.
3413
3414 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
3415
3416         * config/cris/cris.md: Unquote preparation and output statements.
3417         (BWD, WD, BW): New, mode-macros.
3418         (S, s, m, mm, nbitsm1): New, mode-attrs.
3419         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
3420         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
3421         code-attrs.
3422         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
3423         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
3424         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
3425         "*cmp_swapexthi".
3426         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
3427         ("movdi"): Move misplaced head comment regarding necessity of
3428         movdi from movsi to here.
3429         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
3430         "*mov_sidehi_biap".
3431         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
3432         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
3433         "*mov_sideqi_biap_mem".
3434         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
3435         "*mov_sidehi_mem".
3436         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
3437         "*clear_sidehi_biap" and "*clear_sideqi_biap".
3438         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
3439         and "*clear_sideqi".
3440         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
3441         "*ext_sidehisi_biap".
3442         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
3443         "*ext_sidehisi".
3444         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
3445         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
3446         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
3447         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
3448         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
3449         "zero_extendqisi2".
3450         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
3451         "*op_sidehi_biap" and "*op_sidesi_biap".
3452         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
3453         "*op_sidesi".
3454         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
3455         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
3456         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
3457         "*op_swap_sidehi" and "*op_swap_sidesi".
3458         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
3459         in the N alternative of "subqi3".
3460         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
3461         "*extophisi_side_biap".
3462         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
3463         "*extophisi_side".
3464         ("*extop<mode>si_swap_side_biap"): Replace
3465         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
3466         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
3467         "*extophisi_swap_side".
3468         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
3469         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
3470         "*extophisi_swap".
3471         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
3472         "mulqihi3", "mulhisi3" and "mulhisi3".
3473         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
3474         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
3475         "umulsi3_highpart".
3476         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
3477         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
3478         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
3479         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
3480         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
3481         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
3482         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
3483         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
3484         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
3485         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
3486         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
3487         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
3488         "*ashlhi_lowpart".
3489         ("abs<mode>2"): Replace "abshi2" and "absqi2".
3490         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
3491         "bleu".
3492         ("b<ocond>"): Replace "bgt" and "ble".
3493         ("b<rcond>"): Replace "blt" and "bge".
3494         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
3495         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
3496         "*bleu_reversed".
3497         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
3498         "*ble_reversed".
3499         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
3500         "*blt_reversed".
3501         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
3502         "sne".
3503         ("s<rcond>"): Replace "sge" and "slt".
3504         ("s<ocond>"): Replace "sgt" and "sle".
3505         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
3506         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
3507         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
3508         clear.w [rx=rx+i] and clear.b [rx=rx+i].
3509
3510 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
3511
3512         * varasm.c (struct constant_descriptor_tree): Add hash field.
3513         (const_desc_hash): Just return hash field.
3514         (const_desc_eq): If hash values are different, return 0 immediately.
3515         (output_constant_def): Compute hash field of temporary key, use
3516         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
3517         newly built constant descriptor.
3518         (lookup_constant_def): Compute hash field of temporary key, use
3519         htab_find_with_hash instead of htab_find.
3520
3521 2005-05-16  Richard Henderson  <rth@redhat.com>
3522
3523         * config/i386/sse.md (mulv4si3): New.
3524
3525 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
3526
3527         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
3528         tests for noncanonical versions of reg+constant and
3529         reg+reg*{1,2,4}.
3530
3531 2005-05-16  Richard Henderson  <rth@redhat.com>
3532             Steven Bosscher <stevenb@suse.de>
3533
3534         PR tree-opt/21399
3535         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
3536         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
3537         region data structure to match replacement.
3538         * tree-flow.h: Update to match.
3539         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3540         * tree-ssa-dom.c (optimize_stmt): Likewise.
3541         * tree-ssa-pre.c (eliminate): Likewise.
3542         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
3543
3544 2005-05-16  Caroline Tice  <ctice@apple.com>
3545
3546         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
3547         internal_error with gcc_assert.
3548         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
3549         * function.h (struct function): Remove space between "*" and
3550         struct field names.
3551         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
3552         modify to use alloca.
3553         (unlikely_text_section): Add check for flag_function_sections.
3554         (assemble_start_function):  Move call to resolve_section, so it
3555         comes before first call to unlikely_text_section.
3556         (assemble_end_function):  Add test and call to function_section
3557         if appropriate.
3558         
3559 2005-05-16  Roger Sayle  <roger@eyesopen.com>
3560
3561         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
3562         instead of build_binary_op when performing code transformations
3563         to avoid error messages about constructs not it the user's code.
3564
3565 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3566
3567         * tree-ssa-pre.c: Fix a comment typo.
3568
3569 2005-05-16  Richard Henderson  <rth@redhat.com>
3570
3571         PR target/21556
3572         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
3573         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
3574         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
3575         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
3576         add_tprel22): Remove mode from symbolic operand.
3577
3578 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
3579
3580         * optc-gen.awk: Include intl.h after the externally-provided files.
3581
3582 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3583
3584         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
3585         folding a COND_EXPR_COND in a nondestructive manner.
3586
3587 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
3588
3589         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
3590         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
3591         New values for vec_select definitions and bitmask for element
3592         selection.
3593          
3594 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3595
3596         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
3597         Change the type to VEC(rtx,gc)*.
3598         (mem_loc_descriptor, add_const_value_attributes,
3599         dwarf2out_init): Adjust uses of used_rtx_varray.
3600
3601         * tree-data-ref.c (compute_all_dependences): Change the type
3602         of dependence_relations to VEC(ddr_p,heap)**.
3603         (compute_data_dependences_for_loop): Change the type of
3604         allrelations to VEC(ddr_p,heap)*.
3605
3606 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
3607
3608         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
3609         system.h, coretypes.h and tm.h.
3610         (options.o): Update dependencies accordingly.
3611         * optc-gen.awk: Allow header_name to be a list of filenames.
3612         Handle the "Condition" flag.
3613         * opts.h (CL_DISABLED): New flag.
3614         * opts.c (handle_option): Print an error for CL_DISABLED options.
3615         * doc/options.texi: Document the "Condition" option flag.
3616
3617 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
3618
3619         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
3620
3621 2005-05-15  Roger Sayle  <roger@eyesopen.com>
3622
3623         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
3624         check for TREE_OVERFLOW on INTEGER_CST trees.
3625         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
3626         CONSTANT_CLASS_P tree nodes.
3627
3628 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3629
3630         PR target/21551
3631         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
3632
3633 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
3634             
3635         Fix PR tree-optimization/21576
3636         
3637         * tree-ssa-pre.c (expression_node_pool): New pool.
3638         (comparison_node_pool): Ditto.
3639         (list_node_pool): Ditto.
3640         (pool_copy_list): New function.
3641         (phi_translate): Handle CALL_EXPR.
3642         (valid_in_set): Ditto.
3643         (create_expression_by_pieces): Ditto.
3644         (insert_into_preds_of_block): Ditto.
3645         (insert_aux): Ditto.
3646         (compute_avail): Ditto.
3647         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
3648         (can_value_number_call): New function.
3649         (find_leader): Update comment.
3650         (init_pre): Create new pools.
3651         (fini_pre): Free new pools.
3652         (pass_pre): Add TODO_update_ssa for the future when we are going
3653         to need vops.
3654         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
3655         (set_value_handle): Ditto.
3656         (get_value_handle): Ditto.
3657
3658 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3659
3660         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
3661
3662 2005-05-15  Andreas Jaeger  <aj@suse.de>
3663
3664         * gcc.c (pfatal_pexecute): Remove unused local function.
3665
3666 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
3667
3668         * optc-gen.awk: Remove excess indentation.
3669         * opth-gen.awk: Likewise.
3670
3671 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
3672
3673         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
3674         of basic_block_info.  Call init_flow and find_basic_blocks
3675         before dbr_schedule if needed.
3676
3677 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3678
3679         * tree-optimize.c (init_tree_optimization_passes): Move
3680         pass_cd_dce in place of the last pass_dce.
3681
3682         PR tree-optimization/21563
3683         * tree-vrp.c (compare_value): Return boolean_false_node when
3684         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
3685         strictly larger than CST.
3686
3687 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
3688             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3689
3690         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
3691         gcc_assert().
3692         (rev_cond_name) Likewise.
3693         (vax_float_literal) Likewise.
3694         * config/vax/vax.md: Likewise.
3695
3696 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3697
3698         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
3699         registers and use them (specifically the stack pointer).
3700         * config/vax/vax.h: Use above defines right here.
3701
3702         * config/vax/vax.c: (override_options) Remove 'register' keyword.
3703         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
3704         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
3705         whitespace.
3706         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
3707         mostly removal of trailing spaces...
3708         * config/vax/vax-modes.def: Remove trailing whitespace.
3709
3710         * config/vax/elf.h: Update whitespace.
3711
3712 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3713
3714         Revert
3715         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3716         * fold-const.c (fold_indirect_ref_1): Avoid removing
3717         NOP_EXPRs with type qualifiers like const.
3718
3719 2005-05-14  Jan Hubicka  <jh@suse.cz>
3720
3721         Patch by Richard Henderson:
3722         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
3723         Handle RESX expressions properly.
3724
3725         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
3726         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
3727         (remove_stmt_from_eh_region_fn): Likewise.
3728
3729         * tree-cfg.c (execute_warn_function_return): Break out noreturn
3730         warning too..
3731         (execute_warn_function_noreturn): ... here.
3732         (pass_warn_function_noreturn): New pass.
3733         * tree-pass.h (pass_warn_function_noreturn): Declare
3734         * tree-optimize.c (init_tree_optimization_passes): Move return
3735         warnings early and add noreturn warnings at place of previous
3736         return warnings.
3737
3738 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3739
3740         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
3741         root_var_init, type_var_init): Use VEC instead of VARRAY.
3742         * tree-ssa-live.h (tree_partition_associator_d): Change the
3743         type of trees to VEC(tree,heap)*.
3744         (tpa_tree): Use VEC instead of VARRAY.
3745
3746 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3747
3748         * fold-const.c (div_if_zero_remainder): New function.
3749         (try_move_mult_to_index): Use it.
3750
3751 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3752
3753         * tree-eh.c (leh_tf_state): Change the type of dest_array to
3754         VEC(tree,heap)*.
3755         (maybe_record_in_goto_queue, lower_try_finally_onedest,
3756         lower_try_finally_copy, lower_try_finally_switch,
3757         lower_try_finally): Use VEC instead of VARRAY.
3758
3759 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
3760
3761         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
3762         comment regarding defined register classes.
3763         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
3764
3765 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3766
3767         * tree-optimize.c (init_tree_optimization_passes): Move
3768         pass_merge_phi before the first pass_dominator.
3769
3770 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
3771
3772         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
3773         unconditional.
3774
3775 2005-05-13  Josh Conner  <jconner@apple.com>
3776
3777         * config/arm/arm.c (arm_size_return_regs): New.
3778         (thumb_unexpanded_epilogue): replace in-line calculation
3779         of return registers with call to arm_size_return_regs.
3780         (use_return_insn): Include test of which registers are
3781         being used to hold return values, to accommodate
3782         vector return values.
3783
3784 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
3785
3786         * config/rs6000/sysv4.opt (mlittle): Handle.
3787
3788         * config/rs6000/rs6000.c (rs6000_handle_option): Set
3789         target_flags_explicit when appropriate.
3790
3791 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3792
3793         PR middle-end/20714:
3794         * optabs.c (no_conflict_data): New struct.
3795         (no_conflict_move_test): New function.
3796         (emit_no_conflict_block): Use it.
3797
3798 2005-05-13  Adam Nemet  <anemet@lnxw.com>
3799
3800         * doc/invoke.texi (Debugging Options): Option
3801         -fdump-translation-unit only works with C++ now.
3802
3803 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3804
3805         Replace calls to abort in CRIS port.
3806         * config/cris/cris.h (CRIS_ASSERT): New macro.
3807         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
3808         internal_error instead of abort.
3809         ("movsi"): Ditto.  Unquote preparation statement section.
3810         ("call", "call_value"): Ditto, but use gcc_assert where
3811         appropriate.  Tweak comments.
3812         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
3813         CRIS_ASSERT.
3814         (cris_op_str): Call internal_error, not abort.
3815         (cris_print_operand): Tweak "abort" reference to "die" in comment.
3816         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
3817         (cris_notice_update_cc): Call internal_error, not abort.
3818         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
3819         (cris_emit_movem_store, cris_asm_output_symbol_ref)
3820         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
3821         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
3822         ENABLE_CHECKING-guarded abort call.
3823         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
3824         Use internal_error at end of test-chain.
3825
3826 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3827
3828         PR rtl-optimization/20769:
3829         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
3830         pattern emitted by expand_nl_goto_receiver.
3831
3832         PR middle-end/20793:
3833         * integrate.c (allocate_initial_values): Update register liveness
3834         information.
3835
3836 2005-05-13  Josh Conner  <jconner@apple.com>
3837
3838         * arm.c (arm_return_in_memory): Add handling for vector return types.
3839
3840 2005-05-13  David Ung  <davidu@mips.com>
3841
3842         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
3843         name.
3844         * config/mips/mips.c: Add 4km alias.
3845         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
3846         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
3847         description.
3848
3849 2005-05-13  Jan Hubicka  <jh@suse.cz>
3850
3851         * c-decl.c (finish_function): Suppress "control reaches end of
3852         non-void function" when "no return statement in function
3853         returning non-void" is issued.
3854
3855         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
3856         * tree-optimize.c (pass_gimple): Kill.
3857         (init_tree_optimization_passes): Kill pass_gimple.
3858         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
3859         * tree-dump.c (dump_files): Rename .generic to .gimple.*
3860
3861 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3862
3863         PR rtl-optimization/20756:
3864         * basic-block.h (PROP_DEAD_INSN): Define.
3865         * flow.c (propagate_one_insn): Set during mark_set_regs call
3866         for a dead insn.
3867         (mark_set_1): Emit a clobber when we are about to delete a dead insn
3868         that kills a live register.
3869
3870 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
3871
3872         * config/s390/s390.md: ("DBL"): New mode attribute.
3873         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
3874         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
3875         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
3876
3877 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
3878
3879         * c-format.c (check_format_arg): Handle string literals of
3880         the form &"string"[offset].
3881
3882         * g++.dg/warn/format4.C: New testcase.
3883
3884 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
3885
3886         * config/mips/3000.md, config/mips/4000.md,
3887         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
3888         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
3889         config/mips/generic.md, config/pdp11/pdp11.md,
3890         config/sh/crt1.asm, config/sh/lib1funcs.asm,
3891         config/sh/sh-modes.def, config/sh/sh-protos.h,
3892         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
3893
3894 2005-05-13  Richard Henderson  <rth@redhat.com>
3895
3896         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
3897         addition to move unless dest is a register.  Do not skip
3898         instantiation in dest on addition simplification.
3899
3900 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3901
3902         * config/cris/cris.c (cris_print_operand) <case 'H'; case
3903         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
3904         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
3905
3906 2005-05-13  Jan Hubicka  <jh@suse.cz>
3907
3908         * basic-block.h (FOR_ALL_BB_FN): New macro.
3909         (init_flow): Initialize cfg structure.
3910         * function.c (allocate_struct_function): Do not initialize cfg structure.
3911         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
3912         (build_tree_cfg): ... here.
3913         * tree-flow.h (init_empty_tree_cfg): Declare.
3914
3915 2005-05-12  Steven Bosscher <stevenb@suse.de>
3916
3917         Fix PR tree-optimization/21520
3918         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
3919         to attempt to fold constants.
3920
3921 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3922
3923         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
3924         only when TARGET_ADJUST_UNROLL_MAX is defined.
3925         (general_movsrc_operand): Use the C style comment.
3926         (ua_offset): Use prototype.
3927
3928 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
3929
3930         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
3931         (struct hmr_data, hoist_memory_reference, memref_del,
3932         struct fmrv_data): Removed.
3933         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
3934         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
3935         list.
3936         (find_more_ref_vops): Traverse the list of memory references.
3937         (determine_lsm_loop): Work with the list of memory references instead
3938         of traversing the hashtable.
3939
3940 2005-05-12  Steven Bosscher  <stevenb@suse.de>
3941             Stuart Hastings <stuart@apple.com>
3942             Jan Hubicka  <jh@suse.cz>
3943
3944         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
3945         duplicate_eh_regions): New functions, based on old
3946         implementation removed with RTL inliner.
3947         (reachable_next_level): Modify behaviour pre-inline.
3948         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
3949         Declare.
3950         * function.h (struct function): Add after_inlining flag.
3951         * tree-optimize.c (tree_rest_of_compilation): Set it.
3952         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
3953         when needed.
3954         * tree-cfg.c (label_to_block_fn): Deal with cases where
3955         label was never insterted into code.
3956
3957 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
3958
3959         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
3960
3961 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
3962
3963         Fix PR tree-optimization/21532
3964         * tree-ssa-pre.c (create_expression_by_pieces): stmt
3965         needs to go onto the inserted_exprs list.
3966
3967 2005-05-12  Ian Lance Taylor  <ian@airs.com>
3968
3969         * c-common.h (statement_code_p): Don't declare.
3970         (STATEMENT_CODE_P): Don't define.
3971         (INIT_STATEMENT_CODES): Don't define.
3972         * c-common.c (statement_code_p): Don't define.
3973
3974 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3975
3976         * config/sparc/sparc.h: Remove dead code.
3977         * config/sparc/sparc.c (sparc_compute_frame_size): Use
3978         FIRST_PARM_OFFSET for the size of the register window area.
3979         (emit_save_regs): Rename into emit_save_or_restore_regs.
3980         Add 'action' parameter.  Use 4095 as upper bound for the offset.
3981         Pass 'action' to save_or_restore_regs.
3982         (emit_restore_regs): Delete.
3983         (sparc_expand_prologue): Call emit_save_or_restore_regs.
3984         (sparc_expand_epilogue): Likewise.
3985         * config/sparc/sparc.md (mode macro P): Move.
3986         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
3987         (mov<V32:mode> expander): Move to the top of the V32 section.
3988         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
3989         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
3990         (sibcall_epilogue): Move.
3991
3992 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3993
3994         PR target/21501
3995         * arm.c (arm_gen_constant): Sign-extend intermediate values when
3996         synthesizing a constant of the difference of two immediates.
3997
3998 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3999
4000         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
4001         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
4002         the alternatives using integer registers into the appropriate
4003         primitives.
4004
4005 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4006
4007         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
4008         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
4009         * bitmap.h: Fixed comments.
4010
4011 2005-05-11  Richard Henderson  <rth@redhat.com>
4012
4013         PR target/21412
4014         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
4015         (ia64_cannot_force_const_mem): New.
4016         (tls_symbolic_operand_type): New.
4017         (ia64_legitimate_constant_p): New.
4018         (ia64_expand_load_address): Return true on success.  Improve
4019         checks for when we should not split.
4020         (ia64_expand_tls_address): New addend operand.  Distribute it
4021         as appropriate to the tls_kind.  Delay referencing gp.
4022         (ia64_expand_move): Split symbolic addend as necessary.  Handle
4023         tls symbols with addends.
4024         * config/ia64/ia64-protos.h: Update.
4025         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
4026         p0, f0, f1, and r13.
4027         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
4028         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
4029         (symbolic_operand splitter): Pass everything through
4030         ia64_expand_load_address and FAIL or DONE as appropriate.
4031         (load_fptr): Only accept after reload.
4032         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
4033         load_symptr_low, load_ltoff_dtpmod,
4034         (load_dtpmod): New.
4035         (load_dtprel): Only accept tls symbols.
4036         (load_dtprel64, load_dtprel22): Likewise.
4037         (load_tprel, load_tprel64, load_tprel22): Likewise.
4038         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
4039         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
4040         (add_dtprel14, add_dtprel22): Likewise.
4041         (add_tprel, add_tprel14, add_tprel22): Likewise.
4042         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
4043         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
4044         (got_symbolic_operand): Check CONST offsets.
4045         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
4046         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
4047         (move_operand): Don't handle tls here.  Check CONST offsets.
4048
4049 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
4050
4051         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
4052         Remove hilo_operand check.
4053         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
4054         * config/mips/predicates.md (hilo_operand): Delete.
4055
4056 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
4057
4058         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
4059
4060 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
4061
4062         PR tree-optimizer/18472
4063         * tree-if-conv.c (tree_if_convert_stmt,
4064         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
4065
4066 2005-05-11  Jan Hubicka  <jh@suse.cz>
4067
4068         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
4069         (GTFILES): add except.h.
4070         * except.c (eh_status): Add throw_stmt_table.
4071         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
4072         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
4073         lookup_stmt_eh_region_fn): Declare.
4074         (throw_stmt_node): New structure.
4075         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
4076         * gengtype.c (open_base_files): Add except.h to inlines.
4077         * tree-eh.c (throw_stmt_node): Kill.
4078         (record_stmt_eh_region): Update.
4079         (add_stmt_to_eh_region_fn): Break out from ...
4080         (add_stmt_to_eh_region): ... here.
4081         (remove_stmt_from_eh_region_fn): Break out from ...
4082         (remove_stmt_from_eh_region): ... here.
4083         (lookup_stmt_eh_region_fn): Break out from ...
4084         (lookup_stmt_eh_region): ... here.
4085         (honor_protect_cleanup_actions): Use build_resx.
4086         (lower_try_finally_onedest): Likewise.
4087         (lower_try_finally_copy): Likewise.
4088         (lower_try_finally_switch): Likewise.
4089         (lower_eh_constructs): Update eh table construction.
4090         * tree.c (build_resx): New.
4091         * tree.h (build_resx): Declare.
4092
4093 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
4094
4095         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
4096         is needed.
4097
4098 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
4099
4100         * fold-const.c, libgcov.c: Fix comment typos.
4101
4102         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
4103         redundant code.
4104
4105 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
4106
4107         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4108         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
4109         default definition.
4110         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
4111
4112 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
4113
4114         PR bootstrap/21481
4115         * crtstuff.c: Include auto-host.h again, for now.
4116
4117 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
4118
4119         * config/mips/24k.md: Remove trailing whitespace.
4120
4121 2005-05-11  David Ung  <davidu@mips.com>
4122
4123         * config/mips/mips.md (type): Add imul3.
4124         (length, hazard, may_clobber_hilo): Check for imul3.
4125         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
4126         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
4127         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
4128         for a 3 operand mul and its bypasses.
4129         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
4130         * config/mips/4000.md (r4k_imul): Likewise.
4131         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
4132         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
4133         (vr4130_muldi): Likewise.
4134         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
4135         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
4136         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
4137         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
4138         (ir_vr54_imadd_si): Likewise.
4139         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
4140         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
4141         (rm7_impy_di): Likewise.
4142         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
4143         * config/mips/generic.md (generic_imul): Likewise.
4144         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
4145         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
4146
4147 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
4148
4149         PR middle-end/20371:
4150         * tree.h (record_layout_info_s): New member prev_packed.
4151         * stor-layout.c (update_alignment_for_field): Fix comment about
4152         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
4153         we start it properly aligned.
4154         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
4155         to update_alignment_for_field, and recompute it afterwards using
4156         the alignment of the record.
4157         When a packed bitfield precedes an MS bitfield, don't add padding
4158         at the end of the packed bitfield on behalf of the base type of
4159         the packed bit field.
4160         Don't adjust rli->bitpos at the end
4161         of an MS bitfield run if we already adjusted bitpos/offset for an
4162         alignment as large or larger than the bitfield type size.
4163         Take possible record alignment > BIGGEST_ALIGNMENT into account
4164         when calculating actual_align.
4165         Only put packed buit fields into rli->prev_field if they end up
4166         suitably aligned.
4167         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
4168         Update rli->remaining_in_alignment when we have already started a
4169         run of bit fields and we process a packed bit field.
4170
4171 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
4172
4173         * tree-data-ref.c (find_data_references_in_loop): Give up when
4174         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
4175         may embed arbitrary side effects.
4176         Remove the assumption that GIMPLE form contains a single array
4177         access per statement.
4178         When the statement contains virtual operands, fail if it is not
4179         a MODIFY_EXPR or a CALL_EXPR.
4180         Return after the dont know node is inserted.
4181
4182 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4183
4184         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
4185
4186 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
4187
4188         PR middle-end/19807
4189         PR tree-optimization/19639
4190         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
4191         and generic summands for char* as s * delta, too, folding &a[i]
4192         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
4193         for comparison of steps.  Convert types for index addition.
4194         (fold_binary): Adjust the callers to always dispatch to
4195         try_move_mult_to_index.
4196         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
4197         expr with non-gimple ARRAY_REF offset.
4198
4199 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
4200
4201         * fold-const.c (fold_indirect_ref_1): Avoid removing
4202         NOP_EXPRs with type qualifiers like const.
4203
4204 2005-05-11  Richard Henderson  <rth@redhat.com>
4205
4206         PR c/21502
4207         * c-decl.c (finish_decl): Propagate the completed array type of
4208         a global variable into the binding.
4209
4210 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
4211
4212         * Makefile.in (gtype-desc.o, build/genautomata.o)
4213         (build/varray.o): Depend on $(VARRAY_H).
4214
4215 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
4216
4217         * tree-optimize.c (init_tree_optimization_passes): Re-organize
4218         optimization passes to do an initial batch of scalar cleanups.
4219
4220 2005-05-10  Ian Lance Taylor  <ian@airs.com>
4221
4222         * read-rtl.c (struct macro_traverse_data): Define.
4223         (map_attr_string): New static function, broken out of
4224         apply_macro_to_string.
4225         (mode_attr_index, apply_mode_maps): New static functions.
4226         (apply_macro_to_string): Call map_attr_string.
4227         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
4228         all callers.
4229         (apply_macro_traverse): Expect data to point to a struct
4230         macro_traverse_data.
4231         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
4232         to pass data through htab_traverse.
4233         (read_rtx_1): Add mode_maps parameter.  Change all callers.
4234         Handle mode names which are attribute strings.
4235         * doc/md.texi (Substitutions): Rename from String Substitutions.
4236         Change references.  Document using attributes as modes.
4237
4238 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
4239
4240         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
4241         * tree-optimize.c (init_tree_optimization_passes) Swap
4242         pass_ch and pass_profile.
4243         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
4244         here.  Remove rewrite_into_loop_closed_ssa call.
4245
4246 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
4247
4248         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
4249         function.
4250         (legitimate_reload_constant_p): Add check for const double zero.
4251         * config/s390/s390.md: Add comment for constraint letter 'G'.
4252         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
4253         attributes for new case.
4254         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
4255         s390_const_double_ok_for_constraint_p.
4256         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
4257         Add prototype.
4258
4259 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
4260
4261         PR tree-optimization/21170
4262         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
4263         rewrite_ssa_into_ssa in comments with update_ssa.
4264
4265 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
4266
4267         * tree-ssa-loop-im.c: Include hashtab.h.
4268         (struct mem_ref_loc): New.
4269         (struct mem_ref): Describe the set of references with the same
4270         shape.
4271         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
4272         maybe_queue_var, fem_single_reachable_address,
4273         for_each_memref, single_reachable_address,
4274         is_call_clobbered_ref, determine_lsm_reg): Removed.
4275         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
4276         hoist_memory_reference, memref_hash, memref_eq, memref_del,
4277         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
4278         New functions.
4279         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
4280         (determine_lsm_loop): Rewritten.
4281         (determine_lsm): Do not set stmt uids.
4282
4283 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
4284
4285         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
4286         letters.
4287
4288 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
4289
4290         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
4291         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
4292         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
4293
4294 2005-05-10  Jeff Law  <law@redhat.com>
4295
4296         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
4297         thread_across_edge for any abnormal edges.
4298
4299 2005-05-10  Richard Henderson  <rth@redhat.com>
4300
4301         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
4302         * config/ia64/ia64-protos.h: Declare it.
4303         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
4304         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
4305         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
4306         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
4307         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
4308         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
4309         extend result; use release semantics.
4310         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
4311         (sync_val_compare_and_swap_<IMODE>): Update to match.
4312
4313 2005-05-10  Richard Henderson  <rth@redhat.com>
4314
4315         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
4316         before comparing it for success.
4317
4318 2005-05-10  Richard Henderson  <rth@redhat.com>
4319
4320         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
4321         no return value pattern.
4322
4323 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
4324             H.J. Lu  <hongjiu.lu@intel.com>
4325
4326         * libgcov.c (create_file_directory): New function. Create
4327         directory for the given file name.
4328         (gcov_max_filename): New static var. Keeps size of the longest
4329         file name.
4330         (gcov_exit): Always try to create directory for output
4331         file. Relocate each filename basing on environment vars.
4332         (__gcov_init): Remember the longest file name.
4333         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
4334         * doc/gcov.texi (Cross-profiling): New node documenting
4335         cross-profiling management.
4336         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
4337
4338 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4339
4340         * config/sparc/sparc.c (mem_min_alignment): Do not rely
4341         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
4342
4343 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
4344
4345         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
4346         case code to avoid one move instruction.
4347         (__umodsi3, __modsi3): Merge duplicated code sequences.
4348
4349 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
4350
4351         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
4352         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
4353         * doc/invoke.texi: Fix typos.
4354
4355         * tree-data-ref.c (analyze_array_indexes, analyze_array,
4356         init_data_ref, access_functions_are_affine_or_constant_p,
4357         free_data_refs): Use VEC instead of VARRAY.
4358         * tree-data-ref.h (data_reference): Change the type of
4359         access_fns to VEC(tree,gc)*.
4360         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
4361
4362 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
4363
4364         PR c/17913
4365         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
4366         * fold-const.c (fold): Expand the condition of reducing cond_expr.
4367         (contains_label_1, contains_label_p): New functions for checking
4368         labels in a sub-tree.
4369
4370 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
4371
4372         PR c/21342
4373         * c-decl.c (pushdecl): When there is a declaration in the current
4374         scope and the declarations are external linkage, check for
4375         compatibility with the type in the external scope and update the
4376         type in the external scope with the composite type information.
4377         Do not form a composite type of the new type and the visible type
4378         if they are incompatible.
4379
4380 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
4381
4382         * crtstuff.c: Revert part of 2005-05-08 Change.
4383         (IN_LIBGCC2): Define.
4384
4385 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4386
4387         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
4388         remove redundant test.
4389         (fp_mov_p): Accept 0.
4390         (fp_high_losum_p): Remove redundant test.
4391         * config/sparc/predicates.md (const_high_operand): Explicitly test
4392         (not small_int_operand).
4393         (fp_const_high_losum_operand): New.
4394         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
4395         (movdi_insn_sp32_v9): Use canonical predicates.
4396         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
4397         (movdi_insn_sp64_novis): Delete.
4398         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
4399         (movsf_insn_novis): Delete.
4400         (movsf_insn_vis): Rename into movsf_insn.
4401         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
4402         (movsf_lo_sum): Use fp_const_high_losum_operand.
4403         (movsf_high): Likewise.
4404         (movsf_high_losum splitter): Likewise.
4405         (mov<V32:mode> expander): Use register_or_zero_operand.
4406         (mov<V64:mode> expander): Likewise.
4407         (movdf_insn_sp32): Use register_or_zero_operand.
4408         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
4409         Rename into movdf_insn_sp32_no_fpu.
4410         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
4411         Rename into movdf_insn_sp32_v9_no_fpu.
4412         (movdf_insn_v9only_novis): Delete.
4413         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
4414         (movdf_insn_sp64_novis): Delete.
4415         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
4416         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
4417         Rename into movdf_insn_sp64_no_fpu.
4418         (movtf expander): Use register_or_zero_operand.
4419         (movtf_insn_sp32): Delete.
4420         (movtf_insn_vis_sp32): Use register_or_zero_operand.
4421         Rename into movtf_insn_sp32.
4422         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
4423         Rename into movtf_insn_sp32_no_fpu.
4424         (movtf_insn_hq_sp64): Delete.
4425         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
4426         Rename into movtf_insn_sp64_hq.
4427         (movtf_insn_sp64): Delete.
4428         (movtf_insn_vis_sp64): Use register_or_zero_operand.
4429         Rename into movtf_insn_sp64.
4430         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
4431         Rename into movtf_insn_sp64_no_fpu.
4432
4433 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
4434
4435         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
4436         gcc_assert and gcc_unreachable as appropriate.
4437         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
4438         xstormy16_output_cbranch_si, xstormy16_split_move,
4439         xstormy16_initial_elimination_offset,
4440         xstormy16_encode_section_info, xstormy16_print_operand_address,
4441         xstormy16_expand_call, xstormy16_expand_arith,
4442         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
4443
4444 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
4445
4446         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
4447         const_copies to VEC(tree,heap)*.
4448         (new_elim_graph, delete_elim_graph, elim_graph_size,
4449         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
4450         instead of VARRAY.
4451
4452 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
4453
4454         PR other/21052
4455         * doc/extend.texi (Type Attributes): Correct example syntax.
4456
4457 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
4458
4459         PR c/21160
4460         * doc/invoke.texi (-Wuninitialized): Update documentation.
4461
4462 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
4463
4464         * arm.c (const_ok_for_arm): Use a faster algorithm.
4465
4466 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
4467
4468         PR target/21477
4469         * config/rs6000/rs6000.md (add_op2): New.
4470         (add<mode>3): Use it.
4471
4472 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
4473
4474         * arm.c (arm_gen_constant): Add new heuristic for generating
4475         constant integers that can be expressed as the difference of two
4476         valid immediates.
4477
4478 2005-05-09  Roger Sayle  <roger@eyesopen.com>
4479
4480         * c-tree.h (parser_build_unary_op): New prototype.
4481         * c-typeck.c (parser_build_unary_op): New function to construct
4482         a unary operation in the C parser.
4483         * c-parser.c (c_parser_unary_expression):  Use the new function
4484         parser_build_unary_op when appropriate.
4485
4486 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
4487
4488         PR 18655
4489         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
4490         before outputting DWARF_FRAME_RETURN_COLUMN.
4491
4492 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4493
4494         * config/s390/s390.c: (s390_branch_condition_mask,
4495         s390_branch_condition_mnemonic, s390_extra_constraint_str,
4496         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
4497         legitimize_pic_address, s390_emit_tls_call_insn,
4498         legitimize_tls_address, legitimize_tls_address,
4499         s390_expand_addcc, print_shift_count_operand, print_operand,
4500         addr_generation_dependency_p, annotate_constant_pool_refs,
4501         s390_split_branches, find_constant_pool_ref,
4502         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
4503         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
4504         s390_output_pool_entry, s390_function_value,
4505         s390_call_saved_register_used, s390_emit_call): Replace
4506         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
4507         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
4508         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
4509         get_some_local_dynamic_name, s390_function_arg_size,
4510         s390_function_arg_advance, s390_function_arg,
4511         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
4512         default case by gcc_unreachable.
4513         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
4514         conditional abort by gcc_assert.
4515         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
4516         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
4517
4518 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4519
4520         * config/s390/s390.c: (s390_decompose_address,
4521         tls_symbolic_operand, legitimate_pic_operand_p,
4522         legitimate_constant_p, legitimate_reload_constant_p,
4523         s390_expand_plus_operand, legitimate_address_p,
4524         legitimate_la_operand_p, ): Remove 'register' from signature.
4525         (symbolic_reference_mentioned_p,
4526         tls_symbolic_reference_mentioned_p): Remove 'register' from local
4527         variable declarations.
4528         (legitimize_address): Remove 'register' from
4529         signature and local variable declarations.
4530
4531 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4532
4533         * config/s390/s390-protos.h: (s390_match_ccmode,
4534         s390_match_ccmode_set, reg_used_in_mem_p,
4535         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
4536         legitimate_la_operand_p, preferred_la_operand_p,
4537         s390_short_displacement, addr_generation_dependency_p,
4538         legitimate_reload_constant_p, legitimate_address_p): Change return type
4539         into 'bool'.
4540         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
4541         * config/s390/s390.c: (s390_match_ccmode,
4542         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
4543         legitimate_reload_constant_p): Change return type into 'bool'.
4544         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
4545         Likewise.  Additionally adapted comment.
4546         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
4547         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
4548         (s390_decompose_address): Change the type of the internal flags
4549         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
4550         (struct s390_address): Change type of "pointer" into bool.
4551         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
4552         Adapt calls for 's390_tm_ccmode' to the new signature.
4553
4554 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4555
4556         * config/s390/s390.c: (s390_match_ccmode_set,
4557         s390_branch_condition_mnemonic, s390_short_displacement,
4558         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
4559         print_shift_count_operand, get_some_local_dynamic_name,
4560         get_some_local_dynamic_name_1, reg_used_in_mem_p,
4561         addr_generation_dependency_p, s390_split_branches,
4562         annotate_constant_pool_refs, find_constant_pool_ref,
4563         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
4564         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
4565         s390_register_info, s390_frame_info, s390_init_frame_layout,
4566         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
4567         restore_gprs, s390_function_arg_size, s390_function_arg_float,
4568         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
4569         s390_encode_section_info, s390_cannot_force_const_mem,
4570         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
4571         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
4572         s390_adjust_priority, s390_issue_rate,
4573         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
4574         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
4575         s390_build_builtin_va_list, s390_gimplify_va_arg,
4576         s390_function_ok_for_sibcall, s390_call_saved_register_used,
4577         s390_pass_by_reference, s390_fixed_condition_code_regs,
4578         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
4579         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
4580         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
4581         s390_add_pool_insn, s390_find_pool, s390_add_constant,
4582         s390_find_constant, s390_add_execute, s390_find_execute,
4583         s390_execute_label, s390_execute_target, s390_dump_pool,
4584         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
4585         Move target macro definitions to the end of the file.  Move several
4586         functions within the file to assure correct compiling.
4587
4588 2005-05-09  Steven Bosscher  <stevenb@suse.de>
4589
4590         * calls.c (purge_reg_equiv_notes): Remove, fold into...
4591         (fixup_tail_calls): ...here.  Only look at insns between the
4592         start of the function and the FUNCTION_BEG insn note.
4593
4594         * gcse.c (one_cprop_pass): Fix typos in dumps.
4595
4596         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
4597
4598 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4599
4600         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
4601         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
4602         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
4603         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
4604         CC_REGNUM)'.
4605         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
4606         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
4607         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
4608         REG_SC)'.
4609
4610 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4611
4612         * config/s390/s390.md: ("gf") New mode attribute.
4613         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
4614         "fixuns_truncsfsi2"): Merge.
4615         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
4616         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
4617         "fix_truncsfsi2_ieee"): Merge.
4618
4619 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4620
4621         * config/s390/s390.md: ("FPR") New mode macro.
4622         ("de", "dee"): New mode attributes.
4623         ("cmpdf", "cmpsf"): Merge.
4624         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
4625         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
4626         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
4627         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
4628         ("floatdidf2", "floatdisf2"): Merge.
4629         ("adddf3", "addsf3"): Merge.
4630         ("*adddf3", "*addsf3"): Merge.
4631         ("*adddf3_cc", "*addsf3_cc"): Merge.
4632         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
4633         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
4634         ("subdf3", "subsf3"): Merge.
4635         ("*subdf3", "*subsf3"): Merge.
4636         ("*subdf3_cc", "*subsf3_cc"): Merge.
4637         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
4638         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
4639         ("muldf3", "mulsf3"): Merge.
4640         ("*muldf3", "*mulsf3" "): Merge.
4641         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
4642         ("*fmadddf", "*fmaddsf"): Merge.
4643         ("*fmsubdf", "*fmsubsf"): Merge.
4644         ("divdf3", "divsf3"): Merge.
4645         ("*divdf3", "*divsf3"): Merge.
4646         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
4647         ("negdf2", "negsf2"): Merge.
4648         ("*negdf2_cc", "*negsf2_cc"): Merge.
4649         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
4650         ("*negdf2", "*negsf2"): Merge.
4651         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
4652         ("absdf2", "abssf2"): Merge.
4653         ("*absdf2_cc", "*abssf2_cc"): Merge.
4654         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
4655         ("*absdf2", "*abssf2"): Merge.
4656         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
4657         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
4658         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
4659         ("*negabsdf2", "*negabssf2"): Merge.
4660         ("sqrtdf2", "sqrtsf2"): Merge.
4661
4662 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4663
4664         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
4665         attribute names.
4666         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
4667         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
4668         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4669         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
4670         attribute names.
4671         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
4672         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
4673         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
4674         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
4675         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
4676         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
4677         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
4678         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
4679         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
4680         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
4681         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
4682         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
4683         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
4684         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
4685         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
4686         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
4687         'type' value.
4688         ("*divsf3"): Additionally rename second pattern to
4689         "*divsf3_ibm".
4690         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
4691         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
4692         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
4693         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
4694         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
4695         'type values' and rename 'type' value.
4696         ("*addsf3"): Additionally rename second pattern to
4697         "*addsf3_ibm".
4698
4699 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4700
4701         * config/s390/s390.md: ("SHIFT"): New mode macro.
4702         ("lr", "shift"): New mode attributes.
4703         ("ashldi3", "lshrdi3"): Merge.
4704         ("*ashldi3_31", "*lshrdi3"_31): Merge.
4705         ("*ashldi3_64", "*lshrdi3"_64): Merge.
4706         ("ashlsi3", "lshrsi3"): Merge.
4707
4708 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4709
4710         * config/s390/s390.md: ("DSI", "SCOND"): New mode
4711         macros.
4712         ("E", "g"): New mode attributes.
4713         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
4714         ("*adddi3_alc", "*addsi3_alc"): Merge.
4715         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
4716         ("*subdi3_slb", "*subsi3_slb"): Merge.
4717         ("adddicc", "addsicc"): Merge.
4718         ("*sconddi", "*scondsi"): Merge.
4719         ("*sconddi_neg", "*scondsi_neg"): Merge.
4720         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
4721         ("negdi2", "negsi2"): Extract expander pattern from
4722         "negsi2" and merge with "negdi2".
4723         ("*negdi2"): Merge with instruction pattern of "negsi2".
4724         ("*negdi2_cc", "*negsi2_cc"): Merge.
4725         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
4726         ("rotldi3", "rotlsi3"): Merge.
4727
4728 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4729
4730         * config/s390/s390.md: ("hc"): New mode attribute.
4731         ("extendhidi2", "extendqidi2"): Merge.
4732         ("*extendhidi2", "*extendqidi2"): Merge.
4733         ("extendhisi2", "extendqisi2"): Merge.
4734         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
4735         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
4736         Merged 2 define_split.
4737         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
4738         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
4739
4740 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4741
4742         * config/s390/s390.md: ("COMPARE"): New mode macro.
4743         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
4744         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
4745         "bungt", "bunle", "bunge", "bltgt"): Merge.
4746
4747 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4748
4749         * config/s390/s390.md: ("INT"): New mode macro.
4750         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
4751         Merge.
4752
4753 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4754
4755         * config/s390/s390.md: ("GPR", "P"): New mode macros.
4756         ("cmpdi", "cmpsi"): Merge.
4757         ("strlendi", "strlensi"): Merge.
4758         ("*strlendi", "*strlensi"): Merge.
4759         ("movmemdi", "movmemsi"): Merge.
4760         ("clrmemdi", "clrmemsi"): Merge.
4761
4762 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4763
4764         * config/s390/s390.md: ("HQI"): New mode macro.
4765         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
4766         ("*tmhi_full", "*tmqi_full"): Merge.
4767         ("*tsthiCCT", "*tstqiCCT"): Merge.
4768         ("*tsthi", "*tstqi"): Merge.
4769         ("*tsthi_cconly", "tstqi_cconly"): Merge.
4770         ("*sethighhisi", "*sethighqisi"): Merge.
4771
4772 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4773
4774         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
4775         config/alpha/unicosmk.h, config/arc/arc.md,
4776         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
4777         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
4778         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
4779         config/arm/semi.h, config/arm/uclinux-elf.h,
4780         config/arm/wince-pe.h, config/fr30/fr30.c,
4781         config/rs6000/altivec.h: Update copyright.
4782
4783 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4784
4785         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
4786         gcc_assert and gcc_unreachable as appropriate.
4787         (pdp11_output_function_epilogue, output_move_double,
4788         output_move_quad, print_operand_address, output_jump,
4789         output_addr_const_pdp11): Likewise.
4790         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
4791         ASM_OUTPUT_ALIGN): Likewise.
4792         * config/pdp11/pdp11.md: Likewise.
4793         (extendhisi2, subhi3, subqi3): Likewise.
4794
4795 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
4796
4797         PR middle-end/21237
4798         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
4799         to NE_EXPR case.
4800
4801 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4802
4803         * config/ia64/ia64.c: Fix a comment typo.
4804
4805 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
4806
4807         PR target/21397
4808         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
4809         (arm_override_options): Use them instead of manifest constants.  Don't
4810         allow -march to override the -mtune setting.
4811
4812 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4813
4814         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
4815         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
4816         (function_arg_advance, function_arg, save_restore_insns,
4817         iq2000_expand_prologue, iq2000_output_conditional_branch,
4818         expand_one_builtin, print_operand):
4819         * config/iq2000/iq2000.md (tablejump): Likewise.
4820
4821 2005-05-09  David Ung  <davidu@mips.com>
4822
4823         * config/mips/mips.h (processor_type): Add names for the 24K.
4824         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
4825         processor family.
4826         * config/mips/mips.md (cnv_mode): New attribute for recording the
4827         conversion types of float convert insns.
4828         (cpu): Add 24k and 24kx.
4829         (include): Include 24k.md file.
4830         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
4831         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
4832         (floatdisf2): Setup cnv_mode.
4833         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
4834         setup cnv_mode.
4835         * config/mips/24k.md: New file, contains 24k DFA pipeline
4836         description.
4837
4838 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4839
4840         * config/sh/sh.c (print_operand_address): Use gcc_assert and
4841         gcc_unreachable as appropriate.
4842         (print_operand, prepare_move_operands, prepare_scc_operands,
4843         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
4844         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
4845         fixup_mova, gen_far_branch, sh_reorg, split_branches,
4846         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
4847         sh_set_return_address, sh_setup_incoming_varargs,
4848         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
4849         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
4850         check_use_sfunc_addr): Likewise.
4851         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
4852         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
4853         * config/sh/symbian.c (sh_symbian_mark_dllexport,
4854         sh_symbian_mark_dllimport): Likewise.
4855         * config/sh/sh.md: Likewise.
4856         (movdicc, call_pop, call_value_pop, casesi_worker_1,
4857         casesi_worker_2, casesi_shift_media, casesi_load_media,
4858         return_media): Likewise.
4859
4860 2005-05-08  Roger Sayle  <roger@eyesopen.com>
4861
4862         PR inline-asm/8788
4863         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
4864         operands.
4865
4866 2005-05-08  Richard Henderson  <rth@redhat.com>
4867
4868         * config/alpha/alpha.c (adjust_address): Fix typo last change.
4869
4870 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4871
4872         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
4873         and -1 can happen in reg_renumber when no hard register is assigned.
4874
4875 2005-05-08  Steven Bosscher  <stevenb@suse.de>
4876             Kazu Hirata  <kazu@cs.umass.edu>
4877
4878         PR tree-optimization/14841, tree-optimization/15838
4879         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
4880         (evaluate_stmt): Call it.
4881
4882 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
4883
4884         * config/ia64/ia64.c (ia64_override_options): Don't set
4885         ia64_flag_var_tracking and clear flag_var_tracking here...
4886         (ia64_file_start): ... but here.
4887
4888 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4889
4890         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
4891         and gcc_unreachable as appropriate.
4892         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
4893         m68hc11_gen_highpart, print_operand, print_operand_address,
4894         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
4895         m68hc11_gen_movhi): Likewise.
4896         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
4897         * config/m68hc11/m68hc11.md: Reword comment.
4898
4899 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4900
4901         PR target/21281
4902         * config/m68hc11/predicates.md (splitable_operand): An immediate is
4903         allowed.
4904
4905 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4906
4907         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
4908         the 68HC12 address indirect addressing mode as it is not supported by
4909         bset and bclr.
4910         * config/m68hc11/m68hc11-protos.h
4911         (m68hc11_valid_addressing_p): Declare.
4912         (m68hc11_add_mode): Declare.
4913         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
4914         register_indirect_p and export it.
4915         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
4916         instruction so that it is part of the good BB.
4917         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
4918         addressing with movw.
4919         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
4920         68HC12.
4921         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
4922         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
4923         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
4924         for 68HC11.
4925         ("*movhi_68hc12"): Handle movhi_const0.
4926         ("*subhi3", "subqi3"): Use general_operand for operand 1.
4927         ("*subhi3_zext"): Likewise.
4928
4929 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4930
4931         PR target/19051
4932         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
4933         operand 1 and fix constraints.
4934         ("mulqihi3"): Use general_operand for operand 2.
4935
4936 2005-05-08  Julian Brown  <julian@codesourcery.com>
4937             H.J. Lu  <hongjiu.lu@intel.com>
4938             Paul Brook  <paul@codesourcery.com>
4939
4940         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
4941         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
4942         20050308/2.16.0 or newer for comdat group.
4943         * configure: Regenerated.
4944         * config.in: Regenerated.
4945         * varasm.c (default_function_rodata_section): Put .rodata section in
4946         COMDAT group when necessary.
4947         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
4948         HAVE_COMDAT_GROUP.
4949         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
4950         available.
4951
4952 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
4953
4954         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
4955         instead of VARRAY.
4956         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
4957         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
4958         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
4959         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4960
4961 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4962
4963         PR target/16925
4964         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
4965         64-bit constants on 64-bit hosts.
4966         (m68hc11_split_logical): Simplify.
4967         (m68hc11_split_move): Likewise.
4968
4969 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4970             Paolo Bonzini  <bonzini@gnu.org>
4971
4972         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
4973         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
4974         * configure.ac (enable_checking): Fix typos in runtime_checking.
4975         (ENABLE_RUNTIME_CHECKING): Mark as target template.
4976         (xm_file): Prepend auto-host.h
4977         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
4978         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
4979         tconfig.h.
4980         * crtstuff.c: Do not include auto-host.h.
4981         (IN_LIBGCC2): Do not define.
4982         * gcov-io.h: Include tconfig.h, not auto-host.h.
4983         * libgcc2.c: Do not include auto-host.h.
4984         (abort): Do not undefine.
4985         * libgcov.c: Remove unneeded comment about config.h.
4986         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
4987         * config.in, configure: Regenerated.
4988
4989 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4990             Falk Hueffner  <falk@debian.org>
4991
4992         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
4993         and gcc_unreachable as appropriate.
4994         (get_aligned_mem, get_unaligned_address,
4995         alpha_emit_set_long_const, alpha_emit_conditional_branch,
4996         alpha_emit_setcc, alpha_emit_conditional_move,
4997         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
4998         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
4999         alpha_expand_unaligned_load, alpha_expand_block_move,
5000         alpha_expand_zap_mask, get_trap_mode_suffix,
5001         get_round_mode_suffix, get_some_local_dynamic_name,
5002         print_operand_address, function_arg, alpha_return_in_memory,
5003         function_value, alpha_expand_builtin,
5004         alpha_initial_elimination_offset, alpha_expand_epilogue,
5005         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
5006         alphaev5_next_group, alpha_align_insns,
5007         unicosmk_initial_elimination_offset, unicosmk_unique_section,
5008         unicosmk_ssib_name): Likewise.
5009         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
5010         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
5011         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
5012         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
5013         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
5014         * config/alpha/alpha.md (*divmodsi_internal_er,
5015         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
5016         call_nt, call_umk, call_vms, call_value, sibcall_value,
5017         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
5018         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
5019         * config/alpha/predicates.md (input_operand): Likewise.
5020
5021 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
5022
5023         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
5024         gcc_unreachable, as appropriate.
5025         (frv_function_prologue, frv_alloc_temp_reg,
5026         frv_initial_elimination_offset, frv_expand_block_move,
5027         frv_expand_block_clear, frv_print_operand_jump_hint,
5028         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
5029         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
5030         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
5031         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
5032         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
5033         frv_in_small_data_p, frv_asm_out_constructor,
5034         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
5035         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
5036         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
5037         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
5038         sibcall_value, casesi): Likewise.
5039
5040         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
5041         gcc_unreachable as appropriate.
5042         (print_operand_address, mn10300_print_reg_list, expand_prologue,
5043         expand_epilogue, notice_update_cc, initial_offset,
5044         mn10300_address_cost_1): Likewise.
5045         * config/mn10300/mn10300.md: Likewise.
5046         (absdf2, abssf2, negdf2, negsf2): Likewise.
5047
5048 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
5049
5050         PR target/21416
5051         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
5052         comparisons.
5053         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
5054         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
5055         including sunge_<mode> and sungt_<mode>.
5056
5057 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
5058
5059         * integrate.h (get_hard_reg_initial_val): Change type of register
5060         parameter from int to unsigned int.
5061         (has_hard_reg_initial_val): Likewise.
5062         * integrate.c (get_hard_reg_initial_val): Likewise.
5063         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
5064
5065 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
5066
5067         * except.c (eh_status): Change the type of ttype_data to
5068         VEC(tree,gc)*.
5069         (add_ttypes_entry, assign_filter_values,
5070         output_function_exception_table): Use VEC instead of VARRAY.
5071
5072 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
5073
5074         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
5075
5076 2005-05-07  Paul Brook  <paul@codesourcery.com>
5077
5078         * Makefile.in: Fix dependencies.
5079         (GCOV_IO_H, VARRAY_H): Set.
5080
5081 2005-05-07  Anthony Green  <green@redhat.com>
5082
5083         PR bootstrap/21403
5084         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
5085         x$STMP_FIXPROTO test.
5086         * configure: Rebuilt.
5087
5088 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
5089
5090         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
5091         inappropriate feature test macros if flag_iso.
5092
5093 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
5094
5095         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
5096
5097 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
5098
5099         PR target/21441
5100         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
5101         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
5102         Handle moved operand being in special register.
5103         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
5104         presumed working insn.
5105         (mover2side): Add FIXME.
5106
5107 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
5108
5109         * integrate.c (get_func_hard_reg_initial_val): Delete.
5110         (has_func_hard_reg_initial_val): Delete.
5111         (get_hard_reg_initial_val): Inline the old implementation of
5112         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
5113         instead of has_func_hard_reg_initial_val to test for an existing
5114         pseudo.  Only create an rtx if a new initial value entry is needed.
5115         (has_hard_reg_initial_val): Scan the initial value list directly.
5116         Don't create an rtx.
5117
5118 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
5119
5120         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
5121         from extra_options.
5122         * config.in (HAVE_AS_POPCNTB): New.
5123         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
5124         (HAVE_AS_POPCNTB): New.
5125         * configure: Regenerated.
5126         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
5127         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
5128         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
5129         and rs6000_sched_costly_dep.
5130         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
5131         (TARGET_XL_COMPAT): Delete.
5132         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
5133         (popcount<mode>2): New.
5134         (popcntb<mode>2): New.
5135         * config/rs6000/rs6000.opt (mpopcntb): New.
5136
5137         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
5138         if variable name exists.
5139
5140 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
5141
5142         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
5143
5144 2005-05-07  Richard Henderson  <rth@redhat.com>
5145
5146         PR target/21412
5147         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
5148         with constant offsets.
5149
5150 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
5151
5152         * config/v850/v850.c (print_operand): Use gcc_assert and
5153         gcc_unreachable, as appropriate.
5154         (print_operand_address, v850_handle_data_area_attribute,
5155         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
5156         v850_insert_attributes, construct_prepare_instruction): Likewise.
5157         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
5158         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
5159
5160 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
5161
5162         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
5163         config/rs6000/rs6000.h: Fix comment typos.
5164
5165 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
5166
5167         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
5168         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
5169         (mips_scalar_mode_supported_p): Delete.
5170
5171 2005-05-06  Eric Christopher  <echristo@redhat.com>
5172
5173         * config/mips/mips.opt: Remove -mint64 option.
5174         * config/mips/mips.c (override_options): Remove -mint64
5175         handling.
5176         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
5177         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
5178         64-bit integer handling.
5179         * doc/invoke.texi (Option Summary): Remove -mint64 for
5180         mips.
5181
5182 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
5183
5184         PR tree-optimization/19401
5185         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
5186         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
5187         (estimated_unrolled_size): New function.
5188         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
5189         tree_unroll_loops_completely): Always unroll loops if the code size
5190         does not increase.
5191         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
5192         loops should be unrolled completely.
5193         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
5194
5195 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
5196
5197         PR rtl-optimization/21254
5198         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
5199         assumptions for loops that otherwise do not roll.
5200         (find_simple_exit): Prefer # of iterations that is guaranteed
5201         not to be infinite.
5202         * loop-unroll.c (decide_peel_once_rolling,
5203         decide_peel_completely): Check whether the loop is infinite.
5204
5205 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
5206
5207         * config/rs6000/sysv4.opt: Fix typo.
5208
5209 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
5210             Jakub Jelinek  <jakub@redhat.com>
5211
5212         PR target/21329
5213         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
5214         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
5215         Don't use rep; movs{l,q} if the repetition count is really small,
5216         instead use a sequence of movs{l,q} instructions.
5217
5218 2005-05-06  Jeff Law  <law@redhat.com>
5219
5220         PR tree-optimization/21380
5221         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
5222         thread through a block with no preds.
5223
5224 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
5225
5226         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
5227         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
5228         add_call_read_ops): Use VEC instead of VARRAY.
5229
5230 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5231
5232         * config/mcore/mcore.c (mcore_print_operand_address): Use
5233         gcc_assert and gcc_unreachable as appropriate.
5234         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
5235         mcore_output_andn, output_inline_const, mcore_output_move,
5236         mcore_output_movedouble, mcore_expand_block_move,
5237         layout_mcore_frame, mcore_initial_elimination_offset,
5238         mcore_expand_prolog, mcore_mark_dllexport,
5239         mcore_mark_dllimport): Likewise.
5240         * config/mcore/mcore.h (switch_to_section): Likewise.
5241         * config/mcore/mcore.md: Likewise.
5242
5243 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
5244
5245         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
5246         TARGET_PROFILE_KERNEL.
5247
5248         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
5249         TARGET_PROFILE_KERNEL use.
5250
5251 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5252
5253         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
5254         and gcc_unreachable, as appropriate.
5255         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
5256         m32r_expand_prologue, m32r_output_function_epilogue,
5257         m32r_legitimize_pic_address, m32r_print_operand_address,
5258         emit_cond_move, m32r_function_symbol,
5259         m32r_output_block_move): Likewise.
5260         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
5261         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
5262         *rev_zero_branch_insn): Likewise.
5263
5264 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
5265
5266         PR c++/20961
5267         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
5268         if both NEWDECL and OLDDECL are already weak.
5269
5270 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
5271
5272         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5273
5274 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
5275             Kaz Kojima  <kkojima@gcc.gnu.org>
5276
5277         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
5278         and plus_constant.
5279
5280 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
5281             David Edelsohn  <edelsohn@gnu.org>
5282
5283         * config.gcc: Add .opt magic for the rs6000 ports.
5284
5285         * doc/invoke.texi: Document -mabi= option properly.  Document
5286         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
5287         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
5288         -misel=.
5289
5290         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
5291         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
5292         TARGET_XL_COMPAT.
5293
5294         * config/rs6000/aix.opt: New.
5295         * config/rs6000/aix41.opt: New.
5296         * config/rs6000/aix64.opt: New.
5297         * config/rs6000/darwin.opt: New.
5298         * config/rs6000/linux64.opt: New.
5299         * config/rs6000/rs6000.opt: New.
5300         * config/rs6000/sysv4.opt: New.
5301
5302         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
5303         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
5304         SUBTARGET_SWITCHES.
5305         Define TARGET_USES_SYSV4_OPT.
5306         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
5307         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
5308         TARGET_USES_AIX64_OPT.
5309         * config/rs6000/aix51.h: Same.
5310         * config/rs6000/aix52.h: Same.
5311         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
5312         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
5313         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
5314         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
5315         * config/rs6000/linux64.h: Use
5316         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
5317
5318         * config/rs6000/rs6000.c: Remove definitions of
5319         rs6000_sched_restricted_insns_priority,
5320         rs6000_long_double_size_string, rs6000_altivec_vrsave,
5321         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
5322         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
5323         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
5324         rs6000_alignment_string.  Define rs6000_explicit_options.
5325         (rs6000_parse_abi_options): Remove.
5326         (rs6000_parse_alignment_option): Remove.
5327         (rs6000_parse_float_gprs_option): Remove.
5328         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
5329         TARGET_DEFAULT_TARGET_FLAGS.
5330         (rs6000_override_options): Revamp to use new .opt machinery.
5331
5332         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
5333         of new .opt machinery.  Remove target_flags.  Redefine
5334         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
5335         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
5336         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
5337         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
5338         rs6000_longcall_switch, rs6000_default_long_calls,
5339         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
5340         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
5341         TARGET_ALTIVEC_VRSAVE.
5342
5343 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
5344
5345         * config.gcc (hppa1.1-*-rtems*): Remove.
5346         * config/pa/rtems.h: Remove.
5347
5348 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
5349
5350         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
5351         Exclude roe/603e multilib variants.
5352
5353 2005-05-04  Denis Chertykov  <denisc@overta.ru>
5354
5355         PR target/21284
5356         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
5357         for output.
5358
5359 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
5360
5361         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
5362         arm/pe.opt to $extra_options.
5363         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
5364         (target_float_abi_name, target_float_switch, target_abi_name)
5365         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
5366         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
5367         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
5368         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
5369         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
5370         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
5371         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
5372         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
5373         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
5374         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
5375         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
5376         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
5377         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
5378         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
5379         (arm_pic_register_string): Delete.
5380         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
5381         TARGET_TPCS_FRAME.
5382         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
5383         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
5384         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
5385         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
5386         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
5387         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
5388         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
5389         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
5390         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
5391         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
5392         (SUBTARGET_SWITCHES): Delete.
5393         * config/arm/arm.c (target_float_switch): Delete.
5394         (arm_cpu_select): Moved from config/arm/arm.h.
5395         (target_fpu_name, target_fpe_name, target_float_abi_name)
5396         (target_abi_name, structure_size_string, arm_pic_register_string)
5397         (arm_select): Make static.
5398         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5399         (arm_handle_option): New function.
5400         (arm_override_options): Update target_flags checks for new mask names.
5401         Remove target_float_switch code.
5402         (arm_expand_prologue, thumb_expand_prologue): Check
5403         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
5404         * config/arm/arm.opt, config/arm/pe.opt: New files.
5405
5406 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
5407
5408         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
5409         gcc_unreachable as appropriate.
5410         (arc_double_limm_p, arc_setup_incoming_varargs,
5411         arc_compute_function_type, arc_output_function_prologue,
5412         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
5413         output_shift, arc_print_operand, arc_print_operand_address,
5414         arc_final_prescan_insn): Likewise.
5415         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
5416
5417 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
5418
5419         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
5420         comparing Pmode.
5421         (SDI): New.
5422         (cmp): Delete.
5423         (wd): New.
5424         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
5425         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
5426         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
5427         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
5428         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
5429         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
5430         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
5431         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
5432
5433 2005-05-05  Paul Brook  <paul@codesourcery.com>
5434
5435         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
5436         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
5437         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
5438         and tree-data-ref.h with *_H variables.
5439
5440 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
5441
5442         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
5443
5444 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
5445
5446         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
5447
5448 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
5449
5450         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
5451
5452 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
5453
5454         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
5455         setting of vrsave register for current function after
5456         call to save_world is emitted.
5457
5458 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
5459
5460         * config/mmix/predicates.md: New file.
5461         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
5462         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
5463         (mmix_foldable_comparison_operator, mmix_comparison_operator)
5464         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
5465         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5466         Don't define.
5467         * config/mmix/mmix.md: Include predicates.md.
5468         ("call", "call_value"): Force address to register if it isn't a
5469         mmix_symbolic_or_address_operand.
5470
5471 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
5472
5473         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
5474         the flags are of appropriate types.
5475         (num_ssa_operands): Generalize using the generic interface.
5476         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
5477         iterator.
5478
5479 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
5480
5481         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
5482         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
5483
5484 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5485
5486         * tree-outof-ssa.c (edge_leader, stmt_list,
5487         analyze_edges_for_bb): Use VEC instead of VARRAY.
5488         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
5489         (perform_edge_inserts): Call init_analayze_edges_for_bb and
5490         fini_analayze_edges_for_bb.
5491
5492 2005-05-04  James E Wilson  <wilson@specifixinc.com>
5493
5494         PR driver/21112
5495         * gcc.c (process_command): In the second argv scan loop, ignore
5496         Xassembler and Xpreprocessor, along with their argument.
5497
5498 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5499
5500         * tree-flow-inline.h, tree-ssa-operands.c,
5501         tree-ssa-operands.h, tree-ssa-opfinalize.h:
5502         Likewise. tree-vn.c: Fix comment typos.
5503         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
5504
5505 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
5506
5507         * doc/tm.texi (Target Hooks): Document
5508         TARGET_RESOLVE_OVERLOADED_BUILTIN.
5509
5510 2005-05-04  Paul Brook  <paul@codesourcery.com>
5511
5512         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
5513
5514 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5515
5516         * dwarf2out.c (incomplete_types, retry_incomplete_types,
5517         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
5518         of VARRAY.
5519
5520         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
5521         get_expansion, expand_var_during_unrolling,
5522         insert_var_expansion_initialization,
5523         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
5524         instead of VARRAY.
5525
5526         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
5527         update_stmt.
5528
5529 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
5530
5531         PR middle-end/15618
5532         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
5533         the same as INTEGER_TYPE.
5534         (fold_binary): Fold "bool_var != 0" to bool_var.
5535         Fold "bool_var == 1" to bool_var.
5536
5537 2004-05-03  Richard Henderson  <rth@redhat.com>
5538
5539         PR middle-end/21318
5540         * function.c (instantiate_virtual_regs_in_insn): Use the mode
5541         from recog_data instead of insn_data.
5542
5543 2005-05-03  DJ Delorie  <dj@redhat.com>
5544
5545         * common.opt (fdiagnostics-show-option): No variable is needed.
5546         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
5547         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
5548         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
5549         Save and restore original message format.  Use flag in context
5550         instead of global.
5551         (warning): Don't test for enabled warnings here.
5552         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
5553         here.
5554
5555 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
5556
5557         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
5558         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
5559         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
5560         * aclocal.m4: Don't include accross.m4.
5561         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
5562         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
5563         * configure, config.in: Regenerate.
5564
5565 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
5566
5567         PR middle-end/21265
5568         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
5569         (clear_storage): Add argument.
5570         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
5571         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
5572         tailcall.
5573         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
5574         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
5575         (store_expr, store_constructor): Adjust callers.
5576         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
5577         to emit_block_move if CALL_EXPR_TAILCALL (exp).
5578         (expand_builtin_memmove): Add ORIG_EXP argument, copy
5579         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
5580         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
5581         with EXP.  Pass EXP to expand_builtin_memmove.
5582         (expand_builtin_memset): Add ORIG_EXP argument, pass
5583         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
5584         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
5585         Pass EXP to expand_builtin_memset.
5586         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
5587         the new CALL_EXPR.
5588         (expand_builtin_strncmp): Likewise.
5589         (expand_builtin_printf): Replace ARGLIST argument with EXP.
5590         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
5591         (expand_builtin_fprintf): Likewise.
5592         (expand_builtin): Adjust calls to
5593         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
5594
5595         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
5596         item in V4SF mode.
5597
5598         PR rtl-optimization/21239
5599         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
5600
5601 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
5602
5603         * tree-flow.h (tree_ann_common_d): Move aux to ...
5604         (stmt_ann_d): ... here.
5605         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
5606         move_computations_stmt, schedule_sm): Update references to
5607         aux.
5608         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
5609
5610         * tree-cfg.c (remove_bb): Remove a redundant call to
5611         set_bb_for_stmt.
5612         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
5613         Likewise.
5614
5615 2005-05-03  Richard Henderson  <rth@redhat.com>
5616
5617         * config/rs6000/rs6000.c: Remove conflict markers.
5618
5619         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
5620
5621 2005-05-03  James E Wilson  <wilson@specifixinc.com>
5622
5623         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
5624
5625 2005-05-03  DJ Delorie  <dj@redhat.com>
5626
5627         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
5628         decide if the warning will be printed.
5629         * calls.c (expand_call): Likewise.
5630         * function.c (init-function_start): Likewise.
5631
5632         * common.opt (-fdiagnostics-show-option): New.
5633         * opts.c (option_enabled): Accept the option index instead of a
5634         pointer to the option descriptor.
5635         * opts.h (option_enabled): Likewise.
5636         * toplev.c (print_switch_values): Pass option index, not option
5637         descriptor.
5638         * diagnostic.h (diagnostic_info): Add option_index.
5639         * diagnostic.c: Include opts.h.
5640         (diagnostic_set_info): Initialize option_index.
5641         (diagnostic_report_diagnostic): Amend option name if appropriate.
5642         (warning): Check to see if the specified warning is enabled.
5643         Store option index.
5644         * doc/invoke.texi (-fdiagnostics-show-options): Document.
5645
5646 2005-05-03  Richard Henderson  <rth@redhat.com>
5647
5648         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
5649         SPEC_OR_GEN_REGS definitions.
5650
5651 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
5652
5653         PR target/16888
5654         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
5655         for unavailable registers.
5656
5657 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
5658
5659         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
5660
5661         * cfglayout.c (block_locators_blocks,
5662         insn_locators_initialize, insn_scope): Use VEC instead of
5663         VARRAY.
5664
5665         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
5666         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
5667         VARRAY.
5668
5669 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5670
5671         * config/sparc/predicates.md (const_compl_high_operand): New.
5672         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
5673         gen_safe_HIGH64.
5674         (sparc_emit_set_const64_quick1): Adjust for above change.
5675         (sparc_emit_set_const64_quick2): Likewise.
5676         (sparc_emit_set_const64_longway): Likewise.
5677         (sparc_emit_set_const64): Likewise.
5678         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
5679         movdi_const64_special): Delete.
5680         (logical constant splitters): Use const_compl_high_operand.
5681
5682 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
5683
5684         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
5685         rather than STRIP_NOPS.
5686
5687 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
5688
5689         PR rtl-optimization/21330
5690         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
5691         returning non-NULL.
5692         (unswitch_single_loop): Clear cinsn when retrying.
5693
5694         PR target/21297
5695         * config/i386/i386.c (legitimize_address): When canonicalizing
5696         ASHIFT into MULT, multiply by 1 << shift_count instead of
5697         1 << log2 (shift_count).
5698
5699 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
5700
5701         * lambda-code.c (gcc_loop_to_lambda_loop,
5702         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
5703         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
5704         generic operand interface.
5705         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
5706         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
5707         generic operand interface.
5708         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
5709         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
5710         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
5711         num_imm_uses): Use ssa_use_operand_t.
5712         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
5713         get_v_must_def_ops): Delete.
5714         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
5715         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
5716         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
5717         get_v_must_def_kill_ptr): Delete.
5718         (delink_stmt_imm_use): Move and use new operand interface.
5719         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
5720         op_iter_next_tree): Use new operand implementation.
5721         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
5722         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
5723         type check.
5724         (op_iter_next_mustdef, op_iter_next_maydef,
5725         op_iter_next_must_and_may_def): Delete. Replace with...
5726         (op_iter_next_maymustdef): New.  Combine must and may next operations.
5727         (op_iter_init_maydef, op_iter_init_mustdef,
5728         op_iter_init_must_and_may_def): Use new interface.
5729         (single_ssa_tree_operand ): New.  Process single operands only as trees.
5730         (single_ssa_use_operand): New.  Process single operands only as uses.
5731         (single_ssa_def_operand): New.  Process single operands only as defs.
5732         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
5733         specified types.
5734         (num_ssa_operands): New.  Count the number of specified operands.
5735         (compare_ssa_operands_equal): New.  Compare two statements' operands.
5736         (single_phi_def): New.  Return true if PHI has one def of the specified
5737         operand type.
5738         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
5739         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
5740         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
5741         (struct stmt_ann_d): Operands field no longer require GTY().
5742         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
5743         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
5744         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
5745         dump_replaceable_exprs, rewrite_trees): Use generic interface.
5746         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
5747         Use use_operand_p instead of ssa_imm_use_t *.
5748         * tree-pretty-print.c (dump_vops): check if operands are active before
5749         dumping virtual operands.
5750         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
5751         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
5752         (ccp_fold): Use new interface.
5753         (ccp_visit_stmt): Remove unused variables and code.
5754         (convert_to_gimple_builtin): Insert statements before calling
5755         mark_new_vars_to_rename.
5756         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
5757         (copy_prop_visit_cond_stmt): Use generic interface.
5758         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
5759         annotation in table.
5760         (thread_across_edge): Use generic interface.
5761         (initialize_hash_element): Initialzie with stmt, not annotation.
5762         (eliminate_redundant_computations): Use generic interface.
5763         (record_equivalences_from_stmt): Pass stmt, not annotation.
5764         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
5765         interface.
5766         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
5767         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
5768         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
5769         generic operand interface.
5770         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
5771         interface.
5772         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
5773         Interface.
5774         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
5775         (build_defs, build_uses, build_v_may_defs, build_vuses,
5776         build_v_must_defs): Change type to struct opbuild_list_d.
5777         (ops_active): New.  Operands active boolean.
5778         (operand_memory, operand_memory_index): New.  Operand memory managers.
5779         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
5780         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
5781         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
5782         Change from functions to static variable list heads.
5783         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
5784         (opbuild_initialize_real): New.  Initialize a virtual build list.
5785         (opbuild_free): New.  Free a build list.
5786         (opbuild_num_elems): New.  Number of items in a list.
5787         (opbuild_append_real): New.  Add a real (tree *) operand.
5788         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
5789         (opbuild_first): New.  Return first element index in a list.
5790         (opbuild_next): New.  Return next element in a list.
5791         (opbuild_elem_real): New.  Return real element.
5792         (opbuild_elem_virtual): New.  Return virtual element.
5793         (opbuild_elem_uid): New.  Return UID of virtual element.
5794         (opbuild_clear): New.  Reset an operand list.
5795         (opbuild_remove_elem): New.  Remove an element form a list.
5796         (ssa_operands_active): New.  Return true if operand cache is active.
5797         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
5798         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
5799         (correct_use_link): Use use_operand_p.
5800         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
5801         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
5802         (cleanup_v_may_defs): Use new implmentation.
5803         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
5804         implementation.
5805         (append_def, append_use, append_v_may_def, append_vuse,
5806         append_v_must_def): Call opbuild_append routine instead of using varray.
5807         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
5808         global parse_old_ops variable.
5809         (free_ssa_operands): New implementation.
5810         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
5811         (copy_virtual_operands): Move. New generic implementation.
5812         (create_ssa_artficial_load_stmt): Move. New implementation.
5813         (swap_tree_operands): Update for new implementation.
5814         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
5815         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
5816         rather than a varray.
5817         (verify_imm_links): Use use_operand_p.
5818         (dump_immediate_uses_for): If the immediate use variable is a virtual
5819         variable, show the virtual ops in the stmt.
5820         * tree-ssa-operands.h (def_operand_p): No longer a structure.
5821         (NULL_DEF_OPERAND_P): Now a #define.
5822         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
5823         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
5824         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
5825         mustdef_optype_d): New.  Use Linked list representation.
5826         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
5827         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
5828         (struct stmt_operands_d): Change to new pointers that are not GTY.
5829         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
5830         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
5831         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
5832         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
5833         SET_V_MUST_DEF_KILL): Delete.
5834         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
5835         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
5836         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
5837         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
5838         (enum ssa_op_iter_type): Operand iterator typechecking values.
5839         (struct ssa_operand_iterator_d): Use linked lists of operands.
5840         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
5841         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
5842         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
5843         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
5844         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
5845         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
5846         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
5847         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
5848         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
5849         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
5850         alloc_vuse, and alloc_mustdef.
5851         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
5852         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5853         and finalize_ssa_v_must_def_ops.
5854         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
5855         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
5856         stmt around.
5857         (compute_avail): Use generic iterator interface.
5858         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
5859         (stmt_makes_single_load, stmt_makes_single_store): Use
5860         ZERO_SSA_OPERANDS.
5861         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
5862         (statement_sink_location): Use generic interface.
5863         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
5864         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
5865         reset the immediate use link nodes.
5866         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
5867         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
5868         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
5869         (eliminate_tail_call): Use generic operand interface.
5870         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
5871         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
5872         interface.
5873         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
5874         interface.
5875         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
5876         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
5877         vuse_optype.
5878         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
5879         Use statement pointer instead of vuse_optype.  Use generic interface.
5880         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
5881         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
5882         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
5883         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
5884         * doc/tree-ssa.texi: Update documentation for operand interface.
5885
5886 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
5887
5888         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
5889         gcc_unreachable as appropriate.
5890         (machopic_function_base_name, machopic_indirect_data_reference,
5891         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
5892         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
5893         * config/rs6000/altivec.md (*mov<mode>_internal,
5894         build_vector_mask_for_load): Likewise.
5895         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
5896         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
5897         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
5898         * config/rs6000/predicates.md (easy_fp_constant,
5899         logical_operand): Likewise.
5900         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
5901         compute_save_world_info, rs6000_emit_prologue,
5902         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
5903         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
5904         directly.
5905
5906 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
5907
5908         PR middle-end/21282
5909         * convert.c (convert_to_integer): Convert ceil and floor in
5910         c99 mode only.
5911
5912 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
5913
5914         PR target/20813
5915         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
5916         define_insn_and_split.  Split only when memory operand is
5917         offsettable.  Use adjust_address rather than plus_constant.
5918         (floatunssidf2_internal): Likewise.
5919         (fix_truncdfsi2_internal): Split only when memory operand is
5920         offsettable.  Use adjust_address rather than plus_constant.
5921         (fix_trunctfsi2_internal): Likewise.
5922         (floatsidf2_internal): Likewise.
5923
5924 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
5925
5926         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
5927         (set_value_range_to_null): Likewise.
5928         (set_value_range_to_varying): New function.  Use it in all
5929         call sites that used to call set_value_range (vr, VR_VARYING, ...).
5930         (extract_range_from_assert): If the integral type has a
5931         super-type, and LIMIT is not within MIN and MAX values of that
5932         type, set the resulting range to VR_VARYING.
5933
5934 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
5935
5936         * config/mmix/mmix.opt: New file.
5937         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
5938         (mmix_cc1_ignored_option): Don't declare.
5939         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
5940         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
5941         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
5942         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
5943         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
5944         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
5945         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
5946         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
5947         Don't define.
5948         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
5949         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
5950         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5951
5952 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
5953
5954         PR c/15698
5955         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
5956         * c-decl.c (current_function_prototype_built_in,
5957         current_function_prototype_arg_types): New.
5958         (merge_decls): Keep source location of prototype followed by
5959         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
5960         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
5961         (start_function): Always set current_function_prototype_locus,
5962         current_function_prototype_built_in and
5963         current_function_prototype_arg_types.  Check for external
5964         prototype whether or not visible for external function and set
5965         current_function_prototype_arg_types accordingly.
5966         (store_parm_decls_oldstyle): Use
5967         current_function_prototype_arg_types for checking old-style
5968         definition against prototype.  Give warnings only if
5969         current_function_prototype_built_in).
5970
5971 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5972
5973         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
5974         (ggc_alloc_zone_stat): Don't define.
5975         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
5976         ggc_alloc_zone_pass_stat.
5977         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
5978         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
5979         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
5980
5981 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5982
5983         * calls.c (expand_call): Handle current_function_pretend_args_size
5984         when checking for sibcalls.
5985
5986 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5987
5988         PR tree-optimization/21294
5989         * tree-vrp.c (vrp_expr_computes_nonzero): New.
5990         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
5991
5992 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
5993
5994         PR 19985
5995         * gcov-io.h: Declare gcov external functions hidden.
5996
5997 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5998
5999         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
6000         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
6001         Use VEC instead of VARRAY.
6002         (equiv_free): New.
6003
6004         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
6005         out common code.
6006
6007 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
6008
6009         * c-common.c (resolve_overloaded_builtin): Forward to target
6010         hook for BUILT_IN_MD built-ins.
6011         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
6012         for all types of built-in.
6013         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
6014         in the definition of the target hooks struct.
6015         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
6016         * config/rs6000/altivec.h: Rewritten.
6017         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
6018         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
6019         rs6000_builtin_type, rs6000_builtin_type_compatible,
6020         altivec_overloaded_builtins, rs6000_builtin_type,
6021         rs6000_builtin_type_compatible): New.
6022         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
6023         New.
6024         (def_builtin): Turn into a function.  Check for duplicates and store
6025         the builtin into rs6000_builtin_decls.
6026         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
6027         bdesc_1arg): Add overloaded builtins.
6028         (altivec_expand_builtin): Check for unresolved overloaded builtins,
6029         do not support ALTIVEC_COMPILETIME_ERROR.
6030         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
6031         nodes to represent front-end types.
6032         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
6033         with opaque arguments and/or return values.
6034         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
6035         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
6036         (rs6000_builtin_type_index): New.
6037         (is_ev64_opaque_type): Rename to...
6038         (rs6000_is_opaque_type): ... this.
6039         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
6040         target hook.
6041
6042 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
6043
6044         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
6045         instead of VARRAY.
6046
6047 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6048             Bernd Schmidt  <bernd.schmidt@analog.com>
6049
6050         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
6051         print_address_operand, print_operand, legitimize_pic_address,
6052         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
6053         output_pop_multiple): Use gcc_assert or gcc_unreachable as
6054         appropriate.
6055         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
6056
6057 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
6058
6059         * doc/passes.texi: Document vectorization pass.
6060
6061 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
6062
6063         * tree-scalar-evolution.c (get_exit_conditions_rec,
6064         select_loops_exit_conditions,
6065         number_of_iterations_for_all_loops,
6066         analyze_scalar_evolution_for_all_loop_phi_nodes,
6067         scev_analysis): Use VEC instead of VARRAY.
6068
6069 2005-05-02  Michael Matz  <matz@suse.de>
6070
6071         PR c++/19542
6072         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
6073         (warn_strict_null_sentinel): Define.
6074         (check_function_sentinel): Check for null_node as valid sentinel too.
6075         * c-common.h (c_tree_index): Added CTI_NULL.
6076         (null_node) Define global_tree[CTI_NULL].
6077         (warn_strict_null_sentinel): Declare.
6078         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
6079         * c.opt: (Wstrict-null-sentinel): New C++ option.
6080         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
6081
6082 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
6083
6084         * gimplify.c (gimplify_compound_lval): Use VEC instead of
6085         VARRAY.
6086
6087         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
6088
6089         * dwarf2out.c (decl_scope_table, push_decl_scope,
6090         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
6091         instead of VARRAY.
6092
6093 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
6094
6095         PR C++/14391
6096         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
6097         if !flag_weak.
6098         * doc/cpp.texi (__DEPRECATED): Document.
6099         (__EXCEPTIONS): Likewise.
6100         (__GXX_WEAK__): Likewise.
6101
6102         * function.c (INVOKE__main): Do not define.
6103         (expand_main_function): Check HAS_INIT_SECTION when determining
6104         whether or not to call __main.
6105
6106 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
6107
6108         * tree-ssa-loop-ivopts.c: Fix a comment typo.
6109
6110 2005-01-05  Paul Brook  <paul@codesourcery.com>
6111
6112         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
6113         (INITIALIZE_TRAMPOLINE): Use it.
6114         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
6115         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
6116         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
6117
6118 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
6119
6120         * doc/install.texi (Specific): Omit dots in the @anchors names
6121         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
6122         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
6123
6124 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
6125
6126         PR tree-optimization/18316
6127         PR tree-optimization/19126
6128         * tree.c (build_int_cst_type): Avoid shift by size of type.
6129         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
6130         argument.
6131         * tree-scalar-evolution.h (simple_iv): Declaration changed.
6132         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
6133         field.
6134         (dump_cand): Dump depends_on information.
6135         (determine_biv_step): Add argument to simple_iv call.
6136         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
6137         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
6138         constant.
6139         (add_candidate_1): Record depends_on for candidates.
6140         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
6141         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
6142         Handle ivs with nonconstant step.
6143         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
6144         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
6145         (create_new_iv): Unshare the step before passing it to create_iv.
6146         (free_loop_data): Free cand->depends_on.
6147         (build_addr_strip_iref): New function.
6148         (find_interesting_uses_address): Use build_addr_strip_iref.
6149         (strip_offset_1): Split the recursive part from strip_offset.
6150         Strip constant offset component_refs and array_refs.
6151         (strip_offset): Split the recursive part to strip_offset_1.
6152         (add_address_candidates): Removed.
6153         (add_derived_ivs_candidates): Do not use add_address_candidates.
6154         (add_iv_value_candidates): Add candidates with stripped constant
6155         offset.  Consider all candidates with initial value 0 important.
6156         (struct affine_tree_combination): New.
6157         (aff_combination_const, aff_combination_elt, aff_combination_scale,
6158         aff_combination_add_elt, aff_combination_add,
6159         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
6160         fold_affine_sum): New functions.
6161         (get_computation_at): Use fold_affine_sum.
6162         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
6163         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
6164         to simple_iv call.
6165
6166 2005-04-30  Michael Matz  <matz@suse.de>
6167
6168         * config/i386/i386.md (movmemsi): Also active when
6169         TARGET_INLINE_ALL_STRINGOPS.
6170
6171 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
6172
6173         PR bootstrap/20633
6174         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
6175
6176 2005-04-30  Paul Brook  <paul@codesourcery.com>
6177
6178         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
6179         thumb mode.
6180         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
6181         * config/arm/ieee754-sf.S: Ditto.
6182         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
6183         (FUNC_ALIAS): Use .thumb_set for thumb routines.
6184
6185 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
6186
6187         * tree-ssanames.c: Fix a comment typo.
6188         * doc/options.texi: Fix a typo.
6189
6190 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
6191
6192         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
6193         gcc_unreachable as appropriate.
6194         (split_adds_subs, cond_string, print_operand,
6195         h8300_initial_elimination_offset, h8300_classify_operand,
6196         h8300_unary_length, h8300_short_immediate_length,
6197         h8300_bitfield_length, h8300_binary_length,
6198         h8300_insn_length_from_table, compute_mov_length, output_plussi,
6199         compute_plussi_length, compute_plussi_cc, output_logical_op,
6200         compute_logical_op_length, compute_logical_op_cc,
6201         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
6202         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
6203         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
6204         h8300_regs_ok_for_stm): Likewise.
6205         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
6206         monitor_prologue): Likewise.
6207
6208 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
6209
6210         * loop-invariant.c (invariants, create_new_invariant,
6211         get_inv_cost, best_gain_for_invariant,
6212         find_invariants_to_move, move_invariants,
6213         init_inv_motion_data, free_inv_motion_data): Use VEC instead
6214         of VARRAY.
6215
6216 2005-04-29  Richard Henderson  <rth@redhat.com>
6217
6218         * function.c (instantiate_decls): Remove valid_only argument.
6219         (instantiate_decls_1, instantiate_decl): Likewise.
6220         (instantiate_virtual_regs_1): Delete.
6221         (instantiate_virtual_regs_lossage): Delete.
6222         (instantiate_virtual_regs_in_rtx): New.
6223         (safe_insn_predicate): New.
6224         (instantiate_virtual_regs_in_insn): New.
6225         (instantiate_virtual_regs): Update to match all that.  Only run
6226         instantiate_decls once.
6227
6228 2005-04-29  Richard Henderson  <rth@redhat.com>
6229             Daniel Jacobowitz  <dan@codesourcery.com>
6230
6231         * gengtype.c (write_func_for_structure): Split out ...
6232         (output_type_enum): ... new function.  Fix thinko accessing
6233         TYPE_PARAM_STRUCT data.
6234
6235 2005-04-29  Tom Tromey  <tromey@redhat.com>
6236
6237         * tree.c (build_block): Removed unused 'tags' argument.
6238         * tree.h (build_block): Removed argument.
6239
6240 2005-04-29  Michael Matz  <matz@suse.de>
6241
6242         PR rtl-optimization/21144
6243         * postreload.c (reload_cse_move2add): Check for VOIDmode.
6244
6245 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
6246
6247         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
6248         flag_reorder_blocks.
6249
6250 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
6251
6252         PR tree-optimization/21030
6253         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
6254         ranges where VR->MAX is smaller than VR->MIN.
6255
6256 2005-04-29  Devang Patel  <dpatel@apple.com>
6257
6258         PR tree-optimization/21272
6259         PR tree-optimization/21266
6260         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
6261
6262 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
6263
6264         * tree-flow-inline.h: Fix a comment typo.
6265         * doc/tree-ssa.texi: Fix a typo.
6266
6267         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
6268
6269 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
6270
6271         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
6272         gcc_unreachable as appropriate.
6273         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
6274         fr30_print_operand, fr30_move_double): Likewise.
6275         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
6276
6277 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
6278
6279         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
6280         definition has already been provided.
6281         (ARM_EABI_DTORS_SECTION_OP): Likewise.
6282         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
6283         (ARM_EABI_DTORS_SECTION_OP): Likewise.
6284
6285 2005-04-29  Jim Tison  <jtison@us.ibm.com>
6286
6287         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
6288         trace hooks calls to improve performance.
6289
6290 2005-04-29  Julian Brown  <julian@codesourcery.com>
6291             Mark Mitchell  <mark@codesourcery.com>
6292             Paul Brook  <paul@codesourcery.com>
6293
6294         * crtstuff.c: Handle targets that use .init_array.
6295         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
6296         that INVOKE__main is set correctly.
6297         (expand_main_function): Test INVOKE__main.
6298         * libgcc2.c: Do not define __main when using .init_array.
6299         * config/arm/arm.c (arm_elf_asm_constructor): New function.
6300         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
6301         libgcc version.
6302         (DTORS_SECTION_ASM_OP): Likewise.
6303         (CTOR_LIST_BEGIN): Define specially when in libgcc.
6304         (CTOR_LIST_END): Likewise.
6305         (DTOR_LIST_BEGIN): Likewise.
6306         (DTOR_LIST_END): Likewise.
6307         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
6308         (FINI_SECTION_ASM_OP): Likewise.
6309         (INIT_ARRAY_SECTION_ASM_OP): Define.
6310         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
6311         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
6312         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
6313         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
6314         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
6315
6316 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
6317
6318         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
6319         gcc_assert and gcc_unreachable as appropriate.
6320         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
6321         const_int_cost, output_move_const_into_data_reg,
6322         output_move_qimode, output_move_double, find_addr_reg,
6323         print_operand, print_operand_address): Likewise.
6324         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
6325         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
6326         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
6327         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
6328         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
6329         conditional_trap): Likewise.
6330         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
6331
6332 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
6333
6334         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
6335         gcc_unreachable as appropriate.
6336         (gen_conditional_move, xtensa_split_operand_pair,
6337         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
6338         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
6339         xtensa_copy_incoming_a7, xtensa_output_literal,
6340         xtensa_output_literal, xtensa_output_literal): Likewise.
6341         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6342         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
6343         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
6344         movsicc_internal1, movsfcc_internal0,
6345         movsfcc_internal1): Likewise.
6346
6347 2005-04-28  James E Wilson  <wilson@specifixinc.com>
6348
6349         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
6350         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
6351
6352 2005-04-28  DJ Delorie  <dj@redhat.com>
6353
6354         * opt-functions.awk (var_set): Emit proper initializer for
6355         non-target bitfields.
6356
6357 2005-04-28  Devang Patel  <dpatel@apple.com>
6358
6359         * dbxout.c (have_used_extensions): Remove.
6360         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
6361         have_used_extensions.
6362
6363 2005-04-28  James E Wilson  <wilson@specifixinc.com>
6364
6365         * doc/install.texi: Update -enable-languages info.  Correct path to
6366         html docs.
6367
6368 2005-04-28  DJ Delorie  <dj@redhat.com>
6369
6370         * optc-gen.awk (END): Make sure no variable is defined more
6371         than once.
6372         * opth-gen.awk (END): Allocate bits on a per-variable basis.
6373         Allow for bitfield variables other than target_flags.
6374         * doc/options.text (Mask): Document that you may specify a
6375         variable other than target_flags.
6376
6377 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
6378
6379         PR rtl-optimization/18877
6380         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
6381         number in val.start.
6382
6383 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
6384
6385         PR target/20813
6386         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
6387         MASK_PPC_GFXOPT.
6388         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
6389         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
6390         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
6391
6392 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
6393
6394         * arm.c (legitimize_pic_address): Fix sense of assertion test for
6395         creating pseudos when the base offset is too large.
6396
6397 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
6398
6399         * global.c (earlyclobber_regclass): Change the type to
6400         VEC(int,heap).
6401         (check_earlyclobber): Update uses of earlyclobber_regclass.
6402         (mark_reg_use_for_earlyclobber): Likewise.
6403         (calculate_local_reg_bb_info): Allocate and free
6404         earlyclobber_regclass using the VEC API.
6405
6406 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
6407
6408         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
6409         assert.
6410
6411 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
6412
6413         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
6414         (*targetm.foo).
6415
6416         * config.gcc: Obsolete c4x-* and tic4x-*.
6417
6418         * tree.h (edge_def): Remove.
6419
6420         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
6421         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
6422         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
6423         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
6424         where appropriate.
6425
6426         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
6427         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
6428         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
6429         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
6430         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
6431         machmode.def, mips-tfile.c, params.c, pretty-print.c,
6432         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
6433         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
6434         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
6435         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
6436         config/i386/cygming.h, config/i386/djgpp.h,
6437         config/i386/lynx.h, config/i386/netware.c,
6438         config/i386/winnt.c, config/ia64/ia64-c.c,
6439         config/iq2000/iq2000.c, config/m32r/little.h,
6440         config/m68k/m68k-protos.h, config/m68k/m68k.h,
6441         config/m68k/m68k.md, config/mcore/mcore.c,
6442         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
6443         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
6444         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
6445         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
6446         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
6447         config/pdp11/pdp11.h, config/rs6000/darwin.h,
6448         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
6449         config/s390/2064.md, config/s390/2084.md,
6450         config/s390/s390-modes.def, config/s390/s390-protos.h,
6451         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
6452         config/stormy16/stormy16.c, config/vax/vax-protos.h,
6453         config/vax/vax.c, config/vax/vax.h,
6454         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
6455         copyright.
6456
6457 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
6458
6459         * c-typeck.c (build_compound_expr): Correct logic in last change.
6460
6461 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
6462
6463         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
6464         parameters.  Replace conditional move code with assert checking for
6465         ar.lc.  Delete obsolete comments.
6466         (set_src_needs_barrier): Delete cond parameter, and code using it.
6467         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
6468         assert checking for PR_REGS.  Fix calls to update_set_flags and
6469         set_src_needs_barrier.
6470         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
6471         callers.  Rewrite explanatory comment before the function.
6472         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
6473         Fix all callers.
6474
6475 2005-04-27  Mike Stump  <mrs@apple.com>
6476
6477         * doc/cpp.texi: gcc now implements universal character names.
6478
6479 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6480
6481         PR c/21159
6482         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
6483         being a compound expression whose right-hand side is cast to void.
6484
6485 2005-04-27  Caroline Tice  <ctice@apple.com>
6486
6487         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6488         Remove targetm.have_named_sections test.
6489         (fix_edges_for_rarely_executed_code): Likewise.
6490         (insert_section_boundary_note): Likewise.
6491         (reorder_basic_blocks): Check partitioning flag before calling
6492         verify_hot_cold_block_grouping.
6493         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6494         the function struct rather than global variables.
6495         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6496         (COLD_END_LABEL): Likewise
6497         (cold_text_section_label): New static global variable.
6498         (cold_end_label): Likewise.
6499         (dwarf2out_switch_text_section): Get hot/cold section labels from
6500         the function struct rather than global variables; test to make sure
6501         cfun is defined.
6502         (output_aranges): Use cold_text_section_label and cold_end_label;
6503         check partitioning flag before putting out delta.
6504         (output_ranges): Remove incorrect code attempting to use
6505         hot/cold labels.
6506         (output_line_info): Get cold section label from function struct; test
6507         to make sure cfun is defined.
6508         (add_location_or_const_value_attribute): Likewise.
6509         (dwarf2out_var_location): Likewise.
6510         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6511         write out cold_text_section_label if partition flag is set.
6512         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6513         * function.h (struct function): Add new fields to point to hot/cold
6514         section labels: hot_section_label, cold_section_label,
6515         hot_section_end_label and cold_section_end_label; also add new field
6516         for cold text section name, unlikely_text_section_name.
6517         * opts.c (decode_options): Turn off partitioning flag if
6518         !targetm.have_named_sections.
6519         * output.h (hot_section_label): Remove.
6520         (hot_section_end_label): Remove.
6521         (cold_section_end_label): Remove.
6522         (unlikely_section_label): Remove.
6523         (unlikely_text_section_name): Remove.
6524         * passes.c (rest_of_handle_final):  Remove extra blank line.
6525         * varasm.c (unlikely_section_label): Remove.
6526         (hot_section_label): Remove.
6527         (hot_section_end_label): Remove.
6528         (cold_section_end_label): Remove.
6529         (unlikely_text_section_name):  Remove.
6530         (initialize_cold_section_name): Modify to call
6531         targetm.strip_name_encoding; to store cold section name in current
6532         function struct, if it exists; and to only use the decl_section_name
6533         if flag_named_sections is true.
6534         (unlikely_text_section): Modify to get section name out of current
6535         function struct, if there is one; otherwise build it from
6536         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6537         (in_unlikely_text_section): Likewise.
6538         (named_section): Modify to get/put cold section name in current function
6539         struct, if there is one.
6540         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6541         targetm.have_named_sections before calling named_section.
6542         (current_function_section): Likewise.
6543         (assemble_start_function): Modify to get/put unlikely_text_section_name
6544         in current function struct; modify to get hot/cold section labels
6545         from function struct; initialize labels using
6546         ASM_GENERATE_INTERNAL_LABEL;
6547         test partitioning flag before writing out hot section label.
6548         (assemble_end_function): Test partitioning flag before writing out
6549         hot/cold section labels.
6550         (default_section_type_flags_1):  Get cold text section name from
6551         function struct if there is one; Set flags correctly for
6552         cold text section if there is not a current function struct.
6553
6554 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6555
6556         * tree-ssa-propagate.c (set_rhs): Revert last change.
6557
6558 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
6559
6560         * explow.c (convert_memory_address): Add gcc_assert.
6561
6562 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
6563
6564         * configure.ac: Check for ld --sysroot support.
6565         * gcc.c: Document %R specifier for specs.
6566         (SYSROOT_SPEC): New macro.
6567         (sysroot_spec): New variable.
6568         (static_specs): Add sysroot_spec.
6569         (main): Pass the sysroot spec to the linker if appropriate.
6570         * configure: Regenerated.
6571         * config.in: Likewise.
6572
6573 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6574
6575         * fold-const.c (fold_binary): Use build_fold_addr_expr
6576         for address calculation and INDIRECT_REF handling.
6577
6578 2005-04-27  Andrew Haley  <aph@redhat.com>
6579
6580         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
6581
6582 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6583
6584         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
6585         pointer when thumb backtracing is on.
6586
6587         * config/fp-bit.c (abort): Revert change.
6588
6589 2005-04-27  Ian Lance Taylor  <ian@airs.com>
6590
6591         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
6592
6593 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6594
6595         * tree-ssa-dce.c: Fix a comment typo.
6596
6597 2005-04-27  David S. Miller  <davem@davemloft.net>
6598
6599         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
6600         Kill setjmpless_size.  current_function_calls_setjmp is completely
6601         computed when we are called, so just use the optimized size value
6602         instead of using REG_SAVE_AREA notes.
6603         (optimize_save_area_alloca): Delete....
6604         * rtl.h (optimize_save_area_alloca): Likewise...
6605         * passes.c (rest_of_compilation): and don't call it any more.
6606         * reg-notes.def (SAVE_AREA): Delete.
6607
6608 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6609
6610         * config/fp-bit.c (abort): Add noreturn attribute.
6611
6612         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
6613         gcc_unreachable as appropriate.
6614         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
6615         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
6616         ASM_OUTPUT_REG_POP): Likewise.
6617
6618 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
6619
6620         * tree-complex.c (expand_vector_operations_1): Do not build
6621         VIEW_CONVERT_EXPR's for the lhs.
6622
6623 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6624
6625         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
6626         unnecessary noncanonical RTL handling.
6627         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
6628         gcc_assert and gcc_unreachable.
6629
6630         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
6631         gcc_unreachable as appropriate.
6632         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
6633         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
6634         use_return_insn, const_ok_for_op, arm_gen_constant,
6635         arm_canonicalize_comparison, legitimize_pic_address,
6636         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
6637         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
6638         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
6639         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
6640         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
6641         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
6642         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
6643         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
6644         output_call, output_mov_long_double_fpa_from_arm,
6645         output_mov_long_double_arm_from_fpa,
6646         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
6647         output_move_double, arithmetic_instr, shift_op, int_log2,
6648         output_return_instruction, arm_output_function_prologue,
6649         arm_output_epilogue, arm_output_function_epilogue,
6650         emit_multi_reg_push, arm_get_frame_offsets,
6651         arm_compute_initial_elimination_offset, arm_expand_prologue,
6652         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
6653         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
6654         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
6655         thumb_compute_initial_elimination_offset,
6656         thumb_output_function_prologue, thumb_load_double_from_address,
6657         thumb_output_move_mem_multiple, thumb_reload_out_hi,
6658         arm_emit_vector_const, arm_dbx_register_number): Likewise.
6659         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
6660         * config/arm/arm.md (thumb_extendhisi2,
6661         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
6662         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
6663         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
6664         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
6665         * config/arm/cirrus.md (*cirrus_arm_movdi,
6666         *cirrus_movdf_hard_insn): Likewise.
6667         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6668
6669 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6670
6671         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
6672         (num_ssa_names): Use VEC_length.
6673         (ssa_names): Use VEC_index.
6674         * tree-ssanames.c (ssa_names): Change the type to
6675         VEC(tree,gc).
6676         (init_ssanames, fini_ssa_names, make_ssanames,
6677         release_ssa_name): Update uses of ssa_names.
6678
6679         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
6680         Use fold_buildN instead of fold (buildN (...)).
6681
6682 2005-04-27  Devang Patel <dpatel@apple.com>
6683
6684         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
6685
6686 2005-04-27  Matt Thomas <matt@3am-software.com>
6687             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
6688
6689         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
6690         (vax_output_mi_thunk): Ditto.
6691         (vax_notice_cc_update): Ditto.
6692         (INDEX_REGISTER_P): Add trailing \.
6693         (BASE_REGISTER_P): Add trailing \.
6694         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
6695
6696 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6697
6698         * tree-ssa-propagate.c (set_rhs): Check operand of
6699         ADDR_EXPR for gimpliness, too.
6700
6701 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6702
6703         * tree-ssa-pre.c: Fix a comment typo.
6704
6705 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
6706
6707         PR tree-optimization/21171
6708         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
6709         record address uses if the reference is volatile.
6710
6711 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
6712
6713         * tree-complex.c (expand_vector_operation): New, extracted from
6714         expand_vector_operations_1.
6715         (tree_vec_extract): Build a NOP_EXPR.
6716         (expand_vec_parallel): Do not care about returning the correct type.
6717         (expand_vector_operations_1): Call expand_vector_operation.
6718         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
6719
6720         * tree-complex.c (gate_expand_vector_operations): New.
6721         (pass_lower_vector_ssa): Use it.
6722         * tree-optimize.c (init_tree_optimization_passes): Include
6723         pass_lower_vector_ssa.
6724         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
6725         (vectorizable_operation): Use it.
6726         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
6727         integer modes for the vector type.
6728
6729         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6730         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
6731         Do not cope with UNITS_PER_SIMD_WORD == 0.
6732         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
6733         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
6734         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
6735         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6736         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
6737         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
6738         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
6739
6740         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
6741         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
6742         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
6743
6744         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
6745         (UNITS_PER_SIMD_WORD): New.
6746
6747 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6748
6749         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
6750         gcc_unreachable as appropriate.
6751         (ia64_expand_load_address, ia64_expand_tls_address,
6752         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
6753         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
6754         next_scratch_gr_reg, ia64_initial_elimination_offset,
6755         ia64_expand_prologue, ia64_expand_epilogue,
6756         ia64_output_dwarf_dtprel, ia64_print_operand,
6757         ia64_register_move_cost, first_instruction, rws_access_regno,
6758         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
6759         ia64_sched_init, ia64_variable_issue,
6760         ia64_first_cycle_multipass_dfs_lookahead_guard,
6761         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
6762         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
6763         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
6764         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6765         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6766         * config/ia64/predicates.md (got_symbolic_operand,
6767         sdata_symbolic_operand): Likewise.
6768         * config/ia64/vect.md (vcondv2sf): Likewise.
6769
6770 2005-04-27  Matt Thomas <matt@3am-software.com>
6771
6772         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
6773         CONSTANT_ADDRESS_P in config/vax/vax.h
6774         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
6775         (INDEX_REGISTER_P): New.
6776         (BASE_REGISTER_P): New.
6777         (indirectable_constant_address_p): New.  Adapted from
6778         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
6779         (indirectable_address_p): New.  Adapted from
6780         INDIRECTABLE_ADDRESS_P in vax.h.
6781         (nonindexed_address_p): New.  Adapted from
6782         GO_IF_NONINDEXED_ADDRESS in vax.h.
6783         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
6784         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
6785         (legitimate_address_p): New.  Adapted from
6786         GO_IF_LEGITIMATE_ADDRESS in vax.h.
6787         (vax_mode_dependent_address_p): New.  Adapted from
6788         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
6789         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
6790         legitimate_constant_address_p.
6791         (CONSTANT_P): Use legitimate_constant_p.
6792         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
6793         (INDIRECTABLE_ADDRESS_P): Removed.
6794         (GO_IF_NONINDEXED_ADDRESS): Removed.
6795         (INDEX_TEMP_P): Removed.
6796         (GO_IF_REG_PLUS_INDEX): Removed.
6797         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
6798         definitions, depending on whether REG_OK_STRICT is defined.
6799         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
6800         Two definitions, depending on whether REG_OK_STRICT is defined.
6801         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
6802         added.
6803         (legitimate_constant_p): Prototype added.
6804         (legitimate_address_p): Prototype added.
6805         (vax_mode_dependent_address_p): Prototype added.
6806
6807 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6808
6809         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
6810
6811 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6812
6813         PR c/21213
6814         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
6815         transparent union.
6816
6817 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6818
6819         PR c/20740
6820         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
6821         assertion failures, if __gcc_host_wide_int__ is not properly
6822         defined.
6823         (init_dynamic_diag_info): Give errors, not assertion failures, if
6824         location_t, tree or __gcc_host_wide_int__ are not properly
6825         defined.
6826
6827 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6828
6829         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
6830         n_iv_uses, iv_use, n_iv_cands, iv_cand,
6831         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
6832         prepare_decl_rtl, free_loop_data,
6833         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
6834         VARRAY.
6835
6836         * tree.h (tree_phi_node): Add a comment about the order of PHI
6837         arguments.
6838
6839 2005-04-26  Paul Brook  <paul@codesourcery.com>
6840
6841         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
6842
6843 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
6844
6845         * config/mips.mips.c (mips_legitimize_tls_address): Use
6846         gcc_unreachable.
6847
6848         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
6849         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
6850         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
6851
6852         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
6853         'abort'.
6854
6855 2005-04-26  Jeff Law  <law@redhat.com>
6856
6857         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
6858         (op_iter_init_must_and_may_def): Likewise.
6859         (unmodifiable_var_p): Move to a later point in the file.
6860         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
6861         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
6862         (dse_record_phis): Directly check for virtual operands rather than
6863         using need_imm_uses_for.
6864         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
6865         store has multiple V_{MAY,MUST}_DEF operands.
6866
6867 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
6868
6869         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
6870         stmt.
6871
6872 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6873
6874         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
6875         call to find_edge outside a loop to go through a PHI chain.
6876
6877 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
6878
6879         PR tree-optimization/17598
6880         * fold-const.c (fold_binary): Fold comparisons of addresses
6881         of COMPONENT_REFs which reference the same field to
6882         comparisons of the addresses of the base objects.
6883
6884 2005-04-26  Julian Brown  <julian@codesourcery.com>
6885
6886         * config/arm/arm.c (arm_return_in_msb): New function.
6887         (arm_must_pass_in_stack): New function.
6888         (TARGET_RETURN_IN_MSB): Define target hook.
6889         (TARGET_MUST_PASS_IN_STACK): Define target hook.
6890         (arm_function_value): Pad small aggregate return.
6891         (arm_pad_arg_upward): New function.
6892         (arm_pad_reg_upward): New function.
6893         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
6894         (FUNCTION_ARG_PADDING): Define macro.
6895         (BLOCK_REG_PADDING): Define macro.
6896         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
6897         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
6898         (arm_pad_reg_upward): Declare function.
6899
6900 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6901
6902         * basic-block.h (ei_cond): New.
6903         (FOR_EACH_EDGE): Call ei_cond.
6904
6905         PR tree-optimization/21047
6906         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
6907         (fold): Don't handle ASSERT_EXPR.
6908
6909 2005-04-25  Roger Sayle  <roger@eyesopen.com>
6910
6911         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
6912         all writes to any stack register as a read/write dependency on
6913         FIRST_STACK_REG.
6914         (sched_analyze_2): Likewise, for reads from any stack register.
6915
6916 2005-04-25  Richard Henderson  <rth@redhat.com>
6917
6918         * final.c (output_addr_const): Revert 2005-04-09 change.
6919
6920 2005-04-25  Mike Stump  <mrs@apple.com>
6921
6922         * config/darwin.c (darwin_encode_section_info): Always set
6923         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
6924
6925 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6926
6927         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
6928         gensupport.c, protoize.c, toplev.c: Replace calls to
6929         `unlock_stream' with `unlock_std_streams'.
6930
6931 2005-04-25  Devang Patel <dpatel@apple.com>
6932
6933         * dbxout.c (dbxout_type): Emit attribute vector.
6934
6935 2005-04-05  Paul Brook  <paul@codesourcery.com>
6936
6937         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
6938         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
6939         * config/arm/arm.c (arm_cxx_atexit_name): New function.
6940         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
6941         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
6942         (register_dtor_fn): Likewise.
6943         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
6944
6945 2005-04-25  Ian Lance Taylor  <ian@airs.com>
6946
6947         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
6948         * c-common.h (EXPR_STMT_EXPR): Don't define.
6949         (c_common_stmt_codes): Don't define.
6950         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
6951         * c-gimplify.c (gimplify_expr_stmt): Remove.
6952         (c_gimplify_expr): Remove EXPR_STMT case.
6953         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
6954         to INIT_STATEMENT_CODES.
6955         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
6956
6957 2005-04-25  Jan Hubicka  <jh@suse.cz>
6958
6959         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
6960
6961         * except.c: Include diagnostic.h
6962         (dump_eh_tree, verify_eh_tree): New functions.
6963         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
6964         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
6965         (dump_function_to_file): dump eh tree.
6966         * tree-eh.c (mark_eh_edge): New function.
6967         (mark_eh_edge_found_error): New static variable.
6968         (verify_eh_edges): New function.
6969
6970 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
6971
6972         * tree-ssa-alias.c (fieldoff_t): Remove.
6973         (fieldoff_s): typedef the structure itself.  Create a vector of
6974         objects.
6975         (push_fields_onto_fieldstack): Return count of fields pushed.
6976         Remove peeling of first field.  Adjust.
6977         (fieldoff_compare): Adjust.
6978         (create_overlap_variables_for): Adjust.
6979
6980 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6981
6982         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
6983
6984 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6985
6986         PR bootstrap/21215
6987         * doc/install.texi: Document correct assembler and linker to use
6988         on i?86-*-solaris2.10.
6989
6990 2005-04-25  Steven Bosscher  <stevenb@suse.de>
6991
6992         Fix PR tree-optimization/21173
6993
6994         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
6995         Unshare expression we pass to force_gimple_operand.
6996
6997 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
6998             Stephen Clarke <stevec@superh.com>
6999             Roger Sayle <roger@eyesopen.com>
7000
7001         PR rtl-optimization/20413
7002         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
7003         VOIDmode for LABEL_REF.
7004         * final.c (shorten_branches): Likewise.
7005         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
7006         * loop.c (reg_dead_after_loop): Likewise.
7007         * varasm.c (decode_addr_const): Likewise.
7008         * doc/rtl.texi: Document mode requirement for LABEL_REF.
7009
7010 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
7011
7012         * config.gcc (avr-*-*): Remove redundant "case".
7013
7014 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
7015
7016         * tree-vect-analyze.c (vect_mark_relevant): Take
7017         VEC(tree,heap) instead of varray_type as an argument.
7018         (vect_mark_stmts_to_be_vectorized): Change the type of
7019         worklist to VEC(tree,heap).  Adjust uses of worklist.
7020
7021 2005-04-24  Devang Patel  <dpatel@apple.com>
7022
7023         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
7024
7025 2005-04-24  Ian Lance Taylor  <ian@airs.com>
7026
7027         * c-semantics.c (build_stmt): Remove test of specific tree codes
7028         for TREE_SIDE_EFFECTS handling.
7029
7030 2005-04-24  Per Bothner  <per@bothner.com>
7031
7032         * c-opts.c (finish_options):  Make the line-number of the <built-in>
7033         location 0, as assumed elsewhere, rather than 1.
7034
7035 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
7036
7037         * tree-ssa-uncprop.c (equiv_stack): Change the type o
7038         VEC(tree,heap).
7039         (tree_ssa_uncprop, uncprop_finalize_block,
7040         uncprop_initialize_block): Update uses of equiv_stack.
7041
7042 2005-04-24  Richard Henderson  <rth@redhat.com>
7043
7044         PR rtl-opt/21163
7045         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
7046         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
7047         constm1_rtx.
7048         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
7049         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
7050         <DIV, MOD>: Likewise.
7051
7052 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7053
7054         * collect2.c (main): Unlock the stdio streams.
7055         * gcc.c (main): Likewise.
7056         * gcov-dump.c (main): Likewise.
7057         * gcov.c (main): Likewise.
7058         * gen-protos.c (main): Likewise.
7059         * gensupport.c (init_md_reader_args_cb): Likewise.
7060         * protoize.c (main): Likewise.
7061         * toplev.c (general_init): Likewise.
7062
7063 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
7064
7065         PR middle-end/20991
7066         * cgraph.h (cgraph_local_info): Add vtable_method field.
7067         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
7068         and node is vtable_method, finalized and not reachable, don't do
7069         anything.
7070
7071 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
7072
7073         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
7074         COMPARISON_CLASS_P.
7075         * tree-ssa-pre.c (create_value_expr_from): Use
7076         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
7077         * tree-ssa-propagate.c (stmt_makes_single_load,
7078         stmt_makes_single_store): Use REFERENCE_CLASS_P.
7079         * tree-vect-transform.c (vect_is_simple_cond): Use
7080         COMPARISON_CLASS_P.
7081         * tree-vrp.c (extract_range_from_assert,
7082         build_assert_expr_for, fp_predicate, has_assert_expr): Use
7083         COMPARISON_CLASS_P.
7084
7085         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
7086         of tpa_to_clear to VEC(int,heap).  Update uses of
7087         tpa_to_clear.  Free tpa_to_clear at the end.
7088
7089 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
7090
7091         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
7092         function decl.
7093
7094 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
7095
7096         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
7097         and gcc_unreachable as appropriate.
7098         (num_insns_constant, output_vec_const_move,
7099         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
7100         rs6000_emit_set_const, rs6000_emit_move,
7101         spe_build_register_parallel, function_arg,
7102         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
7103         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
7104         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
7105         rs6000_common_init_builtins, expand_block_clear,
7106         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
7107         extract_ME, rs6000_get_some_local_dynamic_name,
7108         rs6000_output_function_entry, print_operand,
7109         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
7110         output_cbranch, output_e500_flip_gt_bit,
7111         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
7112         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
7113         compute_save_world_info, rs6000_stack_info,
7114         rs6000_emit_load_toc_table, rs6000_frame_related,
7115         spe_synthesize_frame_save, rs6000_emit_epilogue,
7116         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
7117         output_function_profiler, rs6000_trampoline_size,
7118         rs6000_initialize_trampoline, find_addr_reg,
7119         rs6000_machopic_legitimize_pic_address,
7120         rs6000_initial_elimination_offset,
7121         rs6000_dbx_register_number): Likewise.
7122         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
7123         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
7124         *movti_power, *movti_string, call, call_value, sibcall,
7125         sibcall_value): Likewise.
7126         * config/rs6000/spe.md (*movdf_e500_double,
7127         *movv2si_internal): Likewise.
7128         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
7129         from comment.
7130
7131 2005-04-24  Richard Henderson  <rth@redhat.com>
7132
7133         PR target/21101
7134         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
7135         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
7136         Deny modes smaller than 4 bytes.
7137         * config/i386/i386-protos.h: Update.
7138
7139 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
7140
7141         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
7142         Switch h8300-*-rtems* to ELF.
7143
7144 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
7145
7146         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
7147
7148 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
7149
7150         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
7151
7152 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
7153
7154         PR middle-end/21082
7155         * fold-const.c: Fold &a[i]-&a[j] to i-j.
7156
7157 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
7158
7159         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
7160         definitions of ssa names in condition.  Split recusive part to ...
7161         (tree_simplify_using_condition_1): New function.
7162         (expand_simple_operations): New function.
7163
7164 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
7165
7166         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
7167         (find_interesting_uses_cond): Do not use integer_zerop and
7168         integer_nonzerop to check for integer constants.
7169         (set_use_iv_cost): Record the value field.
7170         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
7171         determine_use_iv_cost_outer): Set the value field of the cost pair.
7172         (may_eliminate_iv): Do not return the comparison code.
7173         (iv_elimination_compare): New function.
7174         (determine_use_iv_cost_condition): Set the value field.  Record
7175         noneliminable invariants correctly.
7176         (rewrite_use_compare, rewrite_use_outer): Use the value field.
7177
7178 2005-04-23  DJ Delorie  <dj@redhat.com>
7179
7180         * diagnostic.c (warning): Accept parameter to classify warning option.
7181         (warning0): New, for when a pointer to an error() like function is needed.
7182         * errors.c (warning): Likewise.
7183         * errors.h (warning, warning0): Adjust prototypes.
7184         * toplev.h (warning, warning0): Likewise.
7185
7186         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
7187         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
7188         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
7189         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
7190         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
7191         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
7192         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
7193         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
7194
7195         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
7196         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
7197         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
7198         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
7199         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
7200         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
7201         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
7202         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
7203         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
7204         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
7205         config/rs6000/aix52.h, config/rs6000/darwin.h,
7206         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
7207         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7208         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
7209         config/stormy16/stormy16.c, config/v850/v850-c.c,
7210         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
7211         callers.
7212
7213 2005-04-23  Richard Henderson  <rth@redhat.com>
7214
7215         PR rtl-opt/21102
7216         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
7217         performing some integral scalar simplifications.
7218
7219 2005-04-23  Richard Henderson  <rth@redhat.com>
7220
7221         PR target/21099
7222         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
7223         simplifying CONST_VECTOR.
7224
7225 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
7226
7227         * tree-ssa-live.c (live_worklist): Take a stack allocated on
7228         heap as an argument.  Update uses of stack.
7229         (calculate_live_on_entry): Allocate stack on heap.
7230
7231         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
7232         partition_link and tpa_nodes on heap.
7233
7234         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
7235         (mark_stmt_necessary, propagate_necessity,
7236         mark_really_necessary_kill_operand_phis): Update uses of
7237         worklist.
7238         (tree_dce_init): Allocate worklist using VEC_alloc.
7239         (tree_dce_done): Free worklist using VEC_free.
7240
7241 2005-04-23  Mike Stump  <mrs@apple.com>
7242
7243         * config/darwin.c (machopic_indirection_name): Don't use
7244         quotes needlessly.
7245         (darwin_emit_unwind_label): Use user_label_prefix instead of
7246         "_".
7247
7248 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
7249
7250         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
7251
7252 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
7253
7254         * config.gcc <cris-*>: Specify .opt files.
7255         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
7256         config/cris/linux.opt: New files.
7257         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
7258         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
7259         (TARGET_ELF): Override to 0.
7260         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
7261         -melinux-stacksize=N.
7262         * config/cris/cris.c: (cris_handle_option): New function.
7263         (TARGET_DEFAULT_TARGET_FLAGS): Override.
7264         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
7265         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
7266         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
7267         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
7268         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
7269         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
7270         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
7271         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
7272         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
7273         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
7274         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
7275         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
7276         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
7277         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
7278         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
7279         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
7280         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
7281         (TARGET_LINUX): Define 0.
7282         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
7283         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
7284         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
7285         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
7286         (TARGET_LINUX): Override to 1.
7287         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
7288
7289 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
7290
7291         * haifa-sched.c (schedule_block): Fix thinko in previous
7292         assertification patch.
7293
7294 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
7295
7296         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
7297         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
7298         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
7299         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
7300         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
7301         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
7302         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
7303         for hpux11.[1-9]*.
7304         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
7305         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
7306         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
7307         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
7308         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
7309         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
7310         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
7311         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
7312         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
7313         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
7314         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
7315         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
7316         (SUBTARGET_OPTIONS): Delete.
7317         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
7318         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
7319         instead of a string.
7320         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
7321         (pa_cpu_string, pa_unix_string): Delete.
7322         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
7323         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
7324         TARGET_HPUX_10_10.
7325         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7326         (pa_handle_option): New function.
7327         (override_options): Remove handling of -march=, -mfixed-range=,
7328         -mschedule= and -munix=.
7329         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
7330         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
7331         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
7332         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
7333         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
7334         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
7335         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
7336         redefining.
7337         * config/pa/pa.opt: New file.
7338         * config/pa/pa-hpux.opt: New file.
7339         * config/pa/pa-hpux1010.opt: New file.
7340         * config/pa/pa-hpux1111.opt: New file.
7341         * config/pa/pa64-hpux.opt: New file.
7342
7343 2005-04-22  David S. Miller  <davem@davemloft.net>
7344
7345         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
7346         integer when it's mode is VOIDmode not DImode.
7347
7348 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
7349
7350         * config/rs6000/rs6000.md (sync_add<mode>_internal,
7351         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
7352         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
7353         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
7354         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
7355         "bne- $-xxx" rather than local labels.
7356         (sync_lock_release<mode>): Add second operand.
7357         (lwsync): Use .long rather than a more meaningful opcode.
7358         * doc/md.texi (Standard Names): Add description of second
7359         parameter to sync_lock_test_and_set.
7360
7361 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
7362
7363         PR tree-optimization/21088
7364         * fold-const.c (fold_unary, fold_binary, fold_ternary):
7365         Export.
7366         * tree-vrp.c (compare_values): Use fold_binary to compare
7367         pointers.  Use boolean_type_node as the type of a comparison
7368         expression being folded.
7369         * tree.h: Add prototypes for fold_unary, fold_binary,
7370         fold_ternary.
7371
7372         * tree-ssa-dom.c: Fix formatting.
7373
7374 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
7375
7376         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
7377         * lambda-code.c (perfect_nestify): Mark virtual operands in
7378         the moved statement for renaming.
7379         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
7380         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
7381         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
7382         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
7383         * tree-flow.h (struct var_ann_d): Update comments.
7384         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
7385         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
7386         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
7387         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
7388         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
7389         debug_names_replaced_by): Remove declarations.
7390         (delete_update_ssa, get_current_def, set_current_def): Declare.
7391         (rewrite_into_loop_closed_ssa): Add new argument.  Update
7392         all callers.
7393         * tree-into-ssa.c: Include params.h.
7394         (old_virtual_ssa_names): Remove.  Update all users.
7395         (need_to_replace_names_p): Remove.  Update all users.
7396         (struct update_ssa_stats_d): Declare.
7397         (update_ssa_stats): New local.
7398         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
7399         dump_tree_ssa_stats, debug_tree_ssa_stats,
7400         dump_update_ssa, debug_update_ssa,
7401         dump_names_replaced_by, debug_names_replaced_by): Declare.
7402         (get_current_def, set current_def): Make extern.
7403         (is_old_name, is_new_name): Protect against references
7404         past the end of the sets.
7405         (add_new_name_mapping): Assert that OLD and NEW are
7406         different SSA names for the same symbol.
7407         When adding a virtual mapping, update stats for virtual
7408         mapping heuristic.
7409         (insert_phi_nodes_for): If UPDATE_P is true, create the
7410         LHS of the new PHI by duplicating SSA name VAR.
7411         (insert_phi_nodes_1): Remove.  Update all users.
7412         (insert_phi_nodes): Remove second argument.  Update all
7413         users.
7414         (maybe_replace_use, maybe_replace_def): New.
7415         (rewrite_update_stmt): Call them.
7416         (mark_def_interesting): Remove calls to is_gimple_reg.
7417         (prepare_phi_args_for_update): Remove.  Update all users.
7418         (prepare_block_for_update): Only process virtual operands
7419         and GIMPLE registers in normal form.
7420         (prepare_use_sites_for): New.
7421         (prepare_names_to_update): Rename from prepare_def_sites.
7422         Call prepare_use_sites_for.
7423         (dump_update_ssa): Rename from dump_repl_tbl.
7424         Update all users.
7425         Show statistics for virtual mapping heuristic.
7426         (debug_update_ssa): Rename from debug_debug_repl_tbl.
7427         (init_update_ssa): Initialize UPDATE_SSA_STATS.
7428         (delete_update_ssa): Make extern.
7429         (mark_set_for_renaming): If the set is empty, do nothing.
7430         (release_ssa_name_after_update_ssa): Update comment.
7431         (insert_updated_phi_nodes_for): Do not remove existing
7432         PHI nodes for symbols.
7433         (switch_virtuals_to_full_rewrite_p): New.
7434         (switch_virtuals_to_full_rewrite): New.
7435         (update_ssa): Call them.
7436         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
7437         for every statement before updating.
7438         If all the names in NEW_SSA_NAMES have been marked for
7439         removal, do nothing.
7440         Only start at the top of the CFG if there are symbols in
7441         SYMS_TO_RENAME.
7442         (ssa_rewrite_finalize_block): Remove.
7443         (ssa_register_new_def): Remove.
7444         (ssa_rewrite_stmt): Remove.
7445         (ssa_rewrite_phi_arguments): Remove.
7446         (ssa_rewrite_initialize_block): Remove.
7447         (ssa_mark_def_sites): Remove.
7448         (ssa_mark_def_sites_initialize_block): Remove.
7449         (ssa_mark_phi_uses): Remove.
7450         (rewrite_ssa_into_ssa): Remove.
7451         * tree-phinodes.c (find_phi_node_for): Remove.
7452         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7453         Call update_ssa.
7454         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
7455         Remove calls to verify_dominators and
7456         verify_loop_structure.
7457         (tree_unswitch_single_loop): Call update_ssa.
7458         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
7459         returns false.
7460         Call verify_stmts.
7461         (delete_tree_ssa): Assert that need_ssa_update_p returns
7462         false.
7463         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
7464         * tree-vectorizer.c (allocate_new_names, rename_def_op,
7465         free_new_names): Remove.  Update all users.
7466         (rename_use_op): Call get_current_def.
7467         (rename_variables_in_bb): Do not handle any real or
7468         virtual definition.
7469         (slpeel_update_phis_for_duplicate_loop): Call
7470         get_current_def and set_current_def instead of using
7471         SSA_NAME_AUX.
7472         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
7473         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
7474         ssa_names_to_replace and delete_update_ssa.
7475         * doc/invoke.texi: Document --param min-virtual-mappings
7476         and --param virtual-mappings-ratio.
7477
7478 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
7479
7480         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
7481         for newly created PHI nodes.
7482         Call create_new_def_for for every new V_MAY_DEF and
7483         V_MUST_DEF on the copied statement.
7484         (struct ssa_name_map_entry): Remove.
7485         (ssa_name_map_entry_hash): Remove.
7486         (ssa_name_map_entry_eq): Remove.
7487         (allocate_ssa_names): Remove.
7488         (rewrite_to_new_ssa_names_def): Remove.
7489         (rewrite_to_new_ssa_names_use): Remove.
7490         (rewrite_to_new_ssa_names_bb): Remove.
7491         (rewrite_to_new_ssa_names): Remove.
7492         (tree_duplicate_sese_region): Remove variables ver,
7493         definitions, phi, ssa_name_map and bi.
7494         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
7495         Call update_ssa.
7496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7497         update_ssa instead of rewrite_ssa_into_ssa.
7498         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
7499         create_new_def_for.
7500         (find_uses_to_rename_use): Add argument 'need_phis'.
7501         (find_uses_to_rename_stmt): Do not scan virtual operands.
7502         (find_uses_to_rename): Only scan PHI nodes for
7503         non-virtual names.
7504         (rewrite_into_loop_closed_ssa): Call update_ssa.
7505         (check_loop_closed_ssa_use): Ignore virtual operands.
7506         (check_loop_closed_ssa_stmt): Likewise.
7507         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
7508         NULL.
7509         (rename_variables, set_phi_def_stmts): Remove.
7510         (tree_duplicate_loop_to_header_edge): Reformat comment.
7511         Remove variables BB, I and DEFINITIONS.
7512         Call need_ssa_update_p.
7513         Call update_ssa.
7514         (lv_adjust_loop_header_phi): Reformat comment.
7515         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
7516         (marked_for_rewrite_p, any_marked_for_rewrite_p,
7517         mark_for_rewrite, unmark_all_for_rewrite,
7518         marked_ssa_names): Remove.  Update all users.
7519         (release_ssa_name): If VAR has been registered for SSA
7520         updating, do nothing.
7521         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
7522         (build_assert_expr_for): Call register_new_name_mapping.
7523         (insert_range_assertions): Update call to update_ssa.
7524         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
7525         marked_for_rewrite_p, any_marked_for_rewrite_p,
7526         marked_ssa_names): Remove.
7527
7528 2005-04-22  Jeff Law  <law@redhat.com>
7529
7530         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
7531         (restore_currdefs_to_original_value): Likewise.
7532         (register_definitions_for_stmt): Likewise.
7533         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
7534         for each variable.  Do not allocate/free block_defs_stack either.
7535         Do not iterate if we just thread jumps.  Only iterate if the
7536         tree_cleanup_cfg does useful work (temporary).
7537         (dom_opt_initialize_block): No longer push a marker on
7538         BLOCK_DEFS_STACK.
7539         (dom_opt_finalize_block): Removal call to restore currdefs.
7540         Relax restrictions for recording edge equivalences.
7541         (record_equivalences_from_phis): No longer need to track
7542         CURRENT_DEF.
7543         (optimize_stmt): Similarly.
7544         (thread_across_edge): Simplify by removing the requirement that
7545         statements in the block we are threading through must be nops.
7546         (initialize_hash_element): Handle GOTO_EXPR.
7547
7548 2005-04-22  David S. Miller  <davem@davemloft.net>
7549
7550         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
7551         CONST_DOUBLE_HIGH.
7552         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
7553         fix check on CONST_DOUBLE mode.  It should be VOIDmode
7554         when it is representing an integer.
7555
7556 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7557
7558         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
7559         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
7560         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
7561         find_char_info_specifier_index,
7562         find_length_info_modifier_index): Likewise.
7563         * c-typeck.c (composite_type, pop_init_level): Likewise.
7564         * combine.c (cant_combine_insn_p, try_combine): Likewise.
7565         * cse.c (cse_insn): Likewise
7566         * dominance.c (calc_dfs_tree): Likewise
7567         dwarf2out.c (loc_descriptor_from_tree_1,
7568         add_abstract_origin_attribute, force_decl_die,
7569         force_type_die): Likewise
7570         emit-rtl.c (operand_subword_force): Likewise
7571         explow.c (hard_function_value): Likewise
7572         expmed.c (store_bit_field, expand_divmod,
7573         emit_store_flag_force): Likewise
7574         expr.c (emit_move_multi_word, store_expr,
7575         expand_expr_real_1): Likewise
7576         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
7577         output_operand): Likewise
7578         flow.c (recompute_reg_usage): Likewise
7579         * function.c (assign_stack_temp_for_type, assign_temp,
7580         handle_epilogue_set): Likewise
7581         * genextract.c (main): Likewise
7582         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
7583         gimplify_modify_expr_rhs, gimplify_expr): Likewise
7584         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
7585         ready_remove, rm_line_notes, rm_other_notes,
7586         schedule_block): Likewise
7587         mips-tfile.c (copy_object, out_of_bounds): Likewise
7588
7589 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
7590
7591         PR target/20813
7592         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
7593         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
7594         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
7595         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
7596         TARGET_XL_COMPAT.
7597         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
7598
7599 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7600
7601         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
7602         (gcc_tree_to_linear_expression): Convert to heap allocated
7603         vectors.
7604         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
7605         lbv_to_gcc_expression, lle_to_gcc_expression,
7606         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
7607         perfect_nestify): Likewise.
7608         lambda.h (gcc_loopnest_to_lambda_loopnest,
7609         lambda_loopnest_to_gcc_loopnest): Likewise.
7610         tree-loop-linear.c (linear_transform_loops): Likewise.
7611
7612 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
7613
7614         * config/sparc/predicates.md (arith_double_operand): Use
7615         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
7616         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
7617         (DImode, DFmode constant splitters): Likewise.  Remove code for
7618         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
7619         (logical constant splitters): Use const_int_operand predicate.
7620         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
7621         HOST_BITS_PER_WIDE_INT < 64.
7622
7623 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7624
7625         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
7626         gcc_unreachable as appropriate.
7627         (force_mode, emit_move_sequence, singlemove_string,
7628         output_move_double, output_fp_move_double, find_addr_reg,
7629         output_block_move, output_block_clear, output_and,
7630         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
7631         pa_adjust_cost, pa_issue_rate, print_operand,
7632         output_global_address, output_arg_descriptor, output_cbranch,
7633         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
7634         output_call): Likewise.
7635         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
7636         prefetch, prefetch_cc, prefetch_nocc): Likewise.
7637
7638 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
7639
7640         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
7641         _gcov_pow2_profiler and _gcov_one_value_profiler.
7642         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
7643         (GTFILES): Add $(srcdir)/tree-profile.c.
7644         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
7645         __gcov_one_value_profiler): Declare.
7646         * gimplify.c (force_gimple_operand): Check whether the statements
7647         should be produced in ssa form.
7648         (force_gimple_operand_bsi): New function.
7649         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
7650         __gcov_one_value_profiler): New functions.
7651         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
7652         the profiled value is a power of two or not.
7653         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
7654         * tree-flow.h (in_ssa_p): Declare.
7655         (force_gimple_operand_bsi): Declare.
7656         * tree-into-ssa.c (in_ssa_p): New variable.
7657         (rewrite_into_ssa): Set in_ssa_p.
7658         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
7659         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
7660         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
7661         tree_one_value_profiler_fn): New variables.
7662         (tree_init_edge_profiler): Initialize the profiler function decls.
7663         (tree_gen_edge_profiler): Use global gcov_type_node.
7664         (prepare_instrumented_value): New function.
7665         (tree_gen_interval_profiler, tree_gen_interval_profiler,
7666         tree_gen_one_value_profiler): Call the library functions instead of
7667         creating instrumentation code.
7668         * tree.c (build_fn_decl): New function.
7669         * tree.h (build_fn_decl): Declare.
7670         * value-prof.c (rtl_divmod_values_to_profile,
7671         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
7672         tree_mod_pow2_value_transform, tree_find_values_to_profile):
7673         Do not handle may_be_other and precise values of exponents at pow2
7674         profiler.
7675         (tree_mod_subtract_transform): Reflect that value field of
7676         histogram has changed meaning.
7677         (tree_divmod_values_to_profile): Record the values correctly.
7678         (tree_values_to_profile): Update comment.
7679         * value-prof.h (struct histogram_value_t): Remove pow2 data.
7680
7681 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
7682
7683         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
7684         (decl).
7685
7686 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7687
7688         * config/i386/i386.md (length_immediate): Use gcc_assert or
7689         gcc_unreachable, as appropriate.
7690         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
7691         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
7692         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
7693         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
7694         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
7695         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
7696         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
7697         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
7698         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
7699         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
7700         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
7701         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
7702         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
7703         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
7704         *prefetch_sse_rex): Likewise.
7705         * config/i386/predicates.md (x86_64_immediate_operand,
7706         x86_64_zext_immediate_operand, symbolic_operand,
7707         no_seg_address_operand, aligned_operand,
7708         memory_displacement_operand): Likewise.
7709         * config/i386/sse.md (*mov<mode>_internal,
7710         *movv2df_internal): Likewise.
7711
7712 2005-04-22  Jan Hubicka  <jh@suse.cz>
7713
7714         * Makefile.in (ipa.o, ipa-inline.o): New files.
7715         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
7716         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
7717         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
7718         * cgraphunit.c (cgraph_default_inline_p,
7719         cgraph_decide_inlining_incrementally,  ncalls_inlined,
7720         nfunctions_inlined, initial_insns, overall_insns,
7721         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
7722         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
7723         cgraph_mark_inline, cgraph_check_inline_limits,
7724         cgraph_default_inline_p, cgraph_recursive_inlining_p,
7725         update_callee_keys, lookup_recursive_calls,
7726         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
7727         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
7728         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
7729         pass_ipa_inline): Move to ipa-inline.c
7730         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
7731         * ipa.c: New file.
7732         * ipa-inline.c: New file.
7733
7734 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
7735
7736         * doc/invoke.texi (SPARC options): Document that -mapp-regs
7737         is turned off by default on Solaris.
7738
7739 2005-04-21  Roger Sayle  <roger@eyesopen.com>
7740
7741         * c-common.h (objc_build_method_signature): Update prototype.
7742         * stub-objc.c (objc_build_method_signature): Update the stub
7743         implementation to accept and ignore additional parameter.
7744         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
7745         the value of ellipsis to objc_build_method_signature instead
7746         of setting TREE_OVERFLOW on the parms TREE_LIST node.
7747
7748 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
7749
7750         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
7751         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
7752         gen_rtx_* not gen_rtx_fmt_*.
7753         (rs6000_emit_vector_select): Likewise.
7754         (rs6000_emit_sync): New.
7755         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
7756         (larx, stcx, cmp): New mode substitutions.
7757         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
7758         UNSPEC_ISYNC): New constants.
7759         (rlwinm): Give name.
7760         (memory_barrier, isync, lwsync): New insns.
7761         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
7762         (sync_lock_release<mode>): New expander.
7763         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
7764         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
7765         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
7766         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
7767         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
7768         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
7769         (sync_add<mode>_internal, sync_addshort_internal,
7770         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
7771         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
7772         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
7773
7774         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
7775         is the memory before, not after, the operation.  Clarify
7776         barrier requirements.
7777
7778 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7779
7780         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
7781         * lambda.h (lambda_vector_min_nz): Likewise.
7782         * langhooks.h (struct lang_hooks_for_types,
7783         struct lang_hooks): Likewise.
7784         * output.h (assemble_integer, this_is_asm_operands): Likewise.
7785         * tree.h: Likewise.
7786         * vec.h: Likewise.
7787         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
7788
7789         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
7790         comments to avoid 'abort'.  Use gcc_assert as necessary.
7791         * opts.c (common_handle_option): Likewise.
7792         * pretty-print.c (pp_base_format_text): Likewise.
7793         * print-rtl.c (print_rtx): Likewise.
7794         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
7795         * regmove.c (try_auto_increment): Likewise.
7796         * reload.c (find_valid_class, find_reloads_toplev,
7797         find_equiv_reg): Likewise.
7798         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
7799         merge_assigned_reloads): Likewise.
7800         * tree-inline.c (inline_forbidden_p_1,
7801         estimate_num_insns_1): Likewise.
7802         * tree-optimize.c (execute_todo): Likewise.
7803         * tree-outof-ssa.c (eliminate_phi): Likewise.
7804         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7805         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
7806         * tree-ssa-operands.c (parse_ssa_operands,
7807         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
7808         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
7809         * tree-ssanames.c (release_ssa_name): Likewise.
7810         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
7811         walk_tree): Likewise.
7812
7813         * tree-ssa-operands.c (verify_abort): Fold into ..
7814         (verify_imm_links): ... here.
7815
7816 2005-04-21  Richard Henderson  <rth@redhat.com>
7817
7818         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
7819         on non-memory operand for previous inversion.
7820
7821 2005-04-21  Devang Patel  <dpatel@apple.com>
7822
7823         PR optimization/20994
7824         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
7825         x = !(a == b) : p , q;.
7826         (pass_if_conversion): Verify stmts and flow.
7827
7828 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7829
7830         * optabs.c (gen_conditional_trap): Restore #define.
7831
7832         * alias.c (true_dependence): Remove 'abort' from comments. Use
7833         gcc_assert and gcc_unreachable as appropriate.
7834         (canon_true_dependence): Likewise.
7835         * bb-reorder.c (connect_traces): Likewise.
7836         * c-common.c (c_add_case_label): Likewise.
7837         * c-decl.c (finish_function): Likewise.
7838         * caller-save.c (insert_restore, insert_save): Likewise.
7839         * cfg.c (update_bb_profile_for_threading): Likewise.
7840         * cfganal.c (flow_active_insn_p): Likewise.
7841         * cfgexpand.c (add_reg_br_prob_note): Likewise.
7842         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
7843         cfg_layout_merge_blocks): Likewise.
7844         * ifcvt.c (cond_exec_process_insns, merge_if_block,
7845         find_if_block): Likewise.
7846         * integrate.c (allocate_initial_values): Likewise.
7847         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
7848         swap_condition, unsigned_condition, signed_condition,
7849         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
7850         reg_or_subregno): Likewise.
7851         * lambda-code.c (lambda_compute_auxillary_space,
7852         lambda_transform_legal_p): Likewise.
7853         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
7854         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
7855         lhd_incomplete_type_error, lhd_expand_expr,
7856         lhd_types_compatible_p, lhd_tree_size): Likewise.
7857         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
7858         * local-alloc.c (update_equiv_regs): Likewise.
7859         * loop-unroll.c (peel_loop_completely
7860         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
7861         peel_loop_simple, unroll_loop_stupid,
7862         analyze_iv_to_split_insn): Likewise.
7863         * loop.c (gen_prefetch, find_and_verify_loops,
7864         basic_induction_var): Likewise.
7865         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
7866         * value-prof.c (tree_find_values_to_profile): Likewise.
7867         * varasm.c (named_section, default_assemble_integer,
7868         decode_addr_const): Likewise.
7869
7870 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
7871            Fariborz Jahanian <fjahanian@apple.com>
7872
7873         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
7874         portion of argument passed in fpr.
7875         * expr.c (emit_push_insn): Fix computation of 'offset' used to
7876         decide on partial argument save on stack.
7877
7878 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
7879
7880         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
7881         comment typos.
7882
7883 2005-04-21  Jan Hubicka  <jh@suse.cz>
7884
7885         * cgraphunit.c: Include tree-pass.h
7886         (cgraph_decide_recursive_inlining,
7887         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
7888         cgraph_decide_inlining): Dump goes to dump_file.
7889         (cgraph_optimize): Call ipa passes instead of inliner.
7890         (cgraph_gate_inlining, pass_ipa_inline): New.
7891         * tree-optimize.c (all_ipa_passes): New static variable.
7892         (register_one_dump_file): Dead with IPA passes.
7893         (register_dump_files): Likewise.
7894         (init_tree_optimization_passes): Initialize IPA passes.
7895         (execute_todo): Do cgraph dump when asked to, do not dump function body
7896         for IPA pass.
7897         * tree-pass.h (TODO_dump_cgraph): New macro.
7898         (ipa_passes): Declare.
7899         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
7900
7901 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7902
7903         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
7904         gcc_assert instead of abort.
7905         (classify_argument, examine_argument, construct_container,
7906         contains_128bit_aligned_vector_p, ix86_check_movabs,
7907         standard_80387_constant_opcode, standard_80387_constant_rtx,
7908         ix86_initial_elimination_offset, ix86_compute_frame_layout,
7909         pro_epilogue_adjust_stack, ix86_expand_epilogue,
7910         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
7911         legitimize_tls_address, output_pic_addr_const,
7912         i386_output_dwarf_dtprel, put_condition_code, print_reg,
7913         get_some_local_dynamic_name, print_operand, print_operand_address,
7914         output_387_binary_op, emit_i387_cw_initialization,
7915         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
7916         ix86_expand_clear, ix86_expand_binary_operator,
7917         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
7918         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
7919         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
7920         ix86_expand_branch, ix86_expand_setcc,
7921         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
7922         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
7923         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
7924         memory_address_length, ix86_attr_length_immediate_default,
7925         ix86_attr_length_address_default, ix86_agi_dependant,
7926         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
7927         ix86_expand_binop_builtin, ix86_force_to_memory,
7928         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
7929         x86_emit_floatuns): Likewise.
7930         * config/i386/netware.c (gen_regparm_prefix,
7931         i386_nlm_strip_name_encoding): Likewise.
7932         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
7933
7934 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7935
7936         * optabs.c (gen_condiational_trap): Remove #define.
7937         (add_equal_note): Assertify. Remove explicit indirection from
7938         call via function pointer.
7939         (expand_ternary_op, expand_simple_binop, expand_binop,
7940         expand_twoval_unop, expand_twoval_binop,
7941         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
7942         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
7943         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
7944         prepare_float_lib_cmp, emit_conditional_move,
7945         emit_conditional_add, gen_add2_insn, gen_add3_insn,
7946         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
7947         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
7948         vector_compare_rtx, expand_vec_cond_expr): Likewise.
7949
7950 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7951
7952         * vec.h: Update API to separate allocation mechanism from type.
7953         (VEC_safe_grow): New.
7954         * vec.c (calculate_allocation): New.
7955         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
7956         (vec_gc_free, vec_heap_free): Remove.
7957         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
7958         (VEC): Likewise.
7959         (mangle_macro_name): New.
7960         (struct macro_def): New.
7961         (struct macro): Add multiple argument values.
7962         (macro_expans_end): New.
7963         (push_macro_expansion):  Chain on new macro. Process multiple
7964         args, create follow on expansion. Return follow on argument.
7965         (macro_input): Deal with multiple arguments.
7966
7967         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
7968         (struct tree_binfo): Adjust.
7969         * basic-block.h: Define VEC(edge,gc).
7970         (struct edge_def): Adjust.
7971         (struct basic_block_def, struct edge_iterator): Likewise.
7972         (ei_container, ei_start_1, ei_last_1): Likewise.
7973         * cfg.c (connect_src, connect_dest): Likewise.
7974         * cfgrtl.c (force_nonfallthru_and_redirect)
7975         * dbxout.c (dbxout_type)
7976         * dwarf2out.c (gen_member_die)
7977         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
7978         (gcc_tree_to_linear_expression): Adjust.
7979         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
7980         lbv_to_gcc_expression, lle_to_gcc_expression,
7981         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
7982         perfect_nestify): Likewise.
7983         * lambda.h (gcc_loopnest_to_lambda_loopnest,
7984         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
7985         * profile.c (instrument_values): Adjust.
7986         * tree-cfg.c (modified_noreturn_calls): Adjust.
7987         (remove_fallthru_edge): Likewise.
7988         * tree-dump.c (dequeue_and_dump): Adjust.
7989         * tree-flow-inline.h (mark_stmt_modified): Adjust.
7990         * tree-flow.h (modified_noreturn_calls): Adjust.
7991         (tree_on_heap): Remove. (yay!)
7992         (register_new_def): Adjust.
7993         * tree-into-ssa.c: Define VEC(int,heap).
7994         (block_defs_stack): Adjust.
7995         (find_idf, insert_phi_nodes, register_new_def,
7996         rewrite_initialize_block, rewrite_finalize_block,
7997         register_new_update_single, rewrite_update_init_block,
7998         rewrite_update_fini_block, rewrite_blocks,
7999         ssa_rewrite_finalize_block, ssa_register_new_def,
8000         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
8001         * tree-loop-linear.c (linear_transform_loops): Adjust.
8002         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
8003         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
8004         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
8005         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
8006         vrp_variables_stack): Adjust declarations.
8007         (tree_ssa_dominator_optimize): Adjust.
8008         (dom_opt_initialize_block, remove_local_expressions_from_table,
8009         restore_nonzero_vars_to_original_value,
8010         restore_vars_to_original_value,
8011         restore_currdefs_to_original_value, dom_opt_finalize_block,
8012         record_var_is_nonzero, record_cond, record_const_or_copy_1,
8013         optimize_stmt, update_rhs_and_lookup_avail_expr,
8014         lookup_avail_expr, record_range): Likewise.
8015         * tree-ssa-pre.c: Define VEC(basic_block,heap).
8016         (compute_antic_aux): Adjust.
8017         (inserted_exprs, create_expression_by_pieces,
8018         insert_into_preds_of_block, eliminate, mark_operand_necessary,
8019         remove_dead_inserted_code, fini_pre): Likewise.
8020         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
8021         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
8022         ssa_prop_init): Likewise.
8023         * tree-ssa.c: Define VEC(bitmap,heap).
8024         (verify_name_tags): Adjust.
8025         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
8026         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
8027         tree_divmod_values_to_profile, tree_find_values_to_profile,
8028         value_profile_transformations): Likewise.
8029         * value-prof.h: Define VEC(histogram_value,heap).
8030         * varasm.c: Remove alias_pair pointer typedef, define
8031         VEC(alias_pair,gc).
8032         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
8033
8034         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
8035         not a pointer to it.  Create an object vector.
8036         (extern_symbols): Turn into an object vector.
8037         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
8038
8039 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
8040
8041         PR/20742
8042         * Makefile.in (tree-chrec.o): Depend on params.h.
8043         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
8044         default value 20.
8045         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
8046         and fold build with fold_buildN.
8047         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
8048         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
8049         (tree_contains_chrecs): Compute an estimation of the size of the
8050         given expression.
8051         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
8052         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
8053         * tree-scalar-evolution.c (simple_iv): Ditto.
8054         * doc/invoke.texi (scev-max-expr-size): Documented.
8055
8056 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
8057
8058         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
8059         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
8060         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
8061         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
8062         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
8063         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
8064         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
8065         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
8066         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
8067         (darwin_fix_and_continue_switch): Delete.
8068         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
8069         (SUBTARGET_SWITCHES): Delete.
8070         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
8071         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
8072         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
8073         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
8074         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
8075         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
8076         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
8077         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
8078         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
8079         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
8080         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
8081         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
8082         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
8083         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
8084         (TARGET_64BIT): Undef before redefining.
8085         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
8086         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
8087         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
8088         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
8089         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
8090         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
8091         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
8092         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
8093         (ix86_debug_arg_string, ix86_debug_addr_string)
8094         (ix86_align_loops_string, ix86_align_jumps_string)
8095         (ix86_align_funcs_string): Delete.
8096         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
8097         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
8098         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
8099         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
8100         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
8101         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
8102         (SUBTARGET_SWITCHES): Delete.
8103         * config/i386/i386.c (ix86_debug_arg_string): Delete.
8104         (ix86_debug_addr_string): Delete.
8105         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
8106         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
8107         (ix86_align_loops_string, ix86_align_jumps_string)
8108         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
8109         (ix86_align_funcs_string): Make static.
8110         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8111         (ix86_handle_option): New function.
8112         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
8113         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
8114         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
8115         of darwin_fix_and_continue_switch.
8116         (darwin_one_byte_bool): Delete.
8117         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
8118         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
8119         to darwin_one_byte_bool.
8120         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
8121         * config/i386/djgpp.opt, config/i386/i386.opt,
8122         * config/i386/sco5.opt: New files.
8123
8124 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8125
8126         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
8127         fp_zero_operand, fp_register_operand, intreg_operand,
8128         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
8129         call_operand, call_operand_address, tgd_symbolic_operand,
8130         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
8131         symbolic_operand, symbolic_memory_operand, label_ref_operand,
8132         sp64_medium_pic_operand, data_segment_operand,
8133         text_segment_operand, splittable_symbolic_memory_operand,
8134         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
8135         eq_or_neq, normal_comp_operator, noov_compare_op,
8136         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
8137         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
8138         const64_operand, const64_high_operand, arith11_operand,
8139         arith10_operand, arith_double_operand, arith_double_4096_operand,
8140         arith_double_add_operand, arith11_double_operand,
8141         arith10_double_operand, small_int, small_int_or_double,
8142         uns_small_int, uns_arith_operand, clobbered_register,
8143         input_operand, compare_operand): Delete.
8144         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
8145         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
8146         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
8147         (GEN_HIGHINT64, GEN_INT64): Delete.
8148         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8149         gen_safe_XOR64): Adjust for above deletion.
8150         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
8151         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
8152         (legitimate_constant_p): Use const_zero_operand instead.
8153         (sparc_extra_constraint_check): Likewise.
8154         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
8155         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
8156         (PREDICATE_CODES): Delete.
8157         * config/sparc/sparc.md: Include predicates.md.
8158         (All patterns): Adjust for new predicate names.
8159         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
8160         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
8161         (movdi): Use general_operand predicate.
8162         (movdi_sp64_dbl): Delete.
8163         (movdi_const64_special): Add 'N' constraint.
8164         (movdicc): Use arith10_operand predicate.
8165         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
8166         (movdi_cc_reg_sp64): Use arith10_operand predicate.
8167         (movdi_cc_reg_sp64_trunc): Delete.
8168         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
8169         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
8170         (subdi3_sp32): Delete.
8171         (subdi3_insn_sp32): Change to define_insn_and_split.
8172         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
8173         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
8174         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
8175         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
8176         small_int_operand predicate.
8177         (divdi3, udivdi3): Use arith_operand predicate.
8178         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
8179         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
8180         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
8181         (xordi3_sp64_dbl): Delete.
8182         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8183         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
8184         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
8185         cmp_ccx_set_not): Use arith_operand predicate.
8186         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
8187         * config/sparc/predicates.md: New file.
8188
8189 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
8190
8191         PR tree-optimization/14846
8192         * fold-const.c (fold_single_bit_test_into_sign_test): New,
8193         split out from ...
8194         (fold_single_bit_test): ... here.
8195         (fold_binary): Call fold_single_bit_test_into_sign_test
8196         instead of fold_single_bit_test.
8197
8198 2005-04-20  James E Wilson  <wilson@specifixinc.com>
8199
8200         PR c++/20805
8201         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
8202         is another declaration.
8203
8204 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
8205
8206         * config/cris/predicates.md: New file.
8207         * config/cris/cris-protos.h (cris_store_multiple_op_p)
8208         (cris_movem_load_rest_p): Declare.
8209         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
8210         (cris_movem_load_rest_p): Ditto.  Globalize.
8211         (cris_bdap_operand, cris_bdap_biap_operand,
8212         cris_orthogonal_operator, cris_commutative_orth_op,
8213         cris_operand_extend_operator,
8214         cris_additive_operand_extend_operator, cris_extend_operator,
8215         cris_plus_or_bound_operator, cris_mem_op,
8216         cris_general_operand_or_symbol,
8217         cris_general_operand_or_gotless_symbol,
8218         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
8219         cris_load_multiple_op): Remove predicate functions.
8220         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
8221         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
8222         * config/cris/cris.h (PREDICATE_CODES): Don't define.
8223         * config/cris/cris.md: Include predicates.md.
8224         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
8225
8226 2005-04-20  Ian Lance Taylor  <ian@airs.com>
8227
8228         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
8229         * c-common.h (STMT_EXPR_STMT): Don't define.
8230         (STMT_EXPR_NO_SCOPE): Don't define.
8231         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
8232         * c-pretty-print.c (pp_c_primary_expression): Likewise.
8233         (pp_c_expression): Likewise.
8234
8235 2005-04-20  Richard Henderson  <rth@redhat.com>
8236
8237         PR target/21100
8238         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
8239
8240 2005-04-20  Jeff Law  <law@redhat.com>
8241
8242         * reload1.c (reload): Ignore equivalences between pseudos and
8243         read only memory.
8244
8245 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
8246
8247         PR c/12913
8248         * c-tree.h (struct c_label_list): Update comment.
8249         (struct c_label_context): Rename to struct c_label_context_se.
8250         (label_context_stack): Rename to label_context_stack_se.
8251         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
8252         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
8253         c_end_vm_scope): New.
8254         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
8255         * c-decl.c (pop_scope): Call c_end_vm_scope.
8256         (pushdecl): Call c_begin_vm_scope for variably modified
8257         declarations.
8258         (define_label): Check for jumping into scope of identifier with
8259         variably modified type.  Push label on stack for those defined at
8260         current context of identifiers with variably modified type.
8261         (start_function): Create stack level for context of identifiers
8262         with variably modified type.
8263         (finish_function): Pop stack level for context of identifiers with
8264         variably modified type.
8265         * c-typeck.c (label_context_stack): Rename to
8266         label_context_stack_se.
8267         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
8268         (c_finish_goto_label): Check for jumping into scope of identifier
8269         with variably modified type.  Push label on stack for those jumped
8270         to from current context of identifiers with variably modified
8271         type.
8272         (struct c_switch): Add blocked_vm.
8273         (c_start_case): Initialize blocked_vm.
8274         (do_case): Check blocked_vm.
8275         (c_finish_case): Add comment.
8276         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
8277         variable label_context_stack.
8278
8279 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8280
8281         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
8282         conditional_replacement, value_replacement, abs_replacement,
8283         minmax_replacement.
8284         (replace_phi_edge_with_variable): Remove argument BB.
8285         (conditional_replacement, value_replacement,
8286         minmax_replacement, abs_replacement): Remove argument PHI_BB.
8287         Update a call to replace_phi_edge_with_variable.
8288
8289         * tree-ssa-phiopt.c: Fix comments.
8290
8291 2005-04-20  Michael Matz  <matz@suse.de>
8292
8293         PR20973
8294         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
8295         pseudos.
8296
8297 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8298
8299         * tree-ssa-phiopt.c: Fix comment typos.
8300
8301         PR tree-optimization/21116
8302         * tree-ssa-phiopt.c: Fix a typo.
8303
8304 2005-04-19  Richard Henderson  <rth@redhat.com>
8305
8306         * builtins.c (expand_builtin_sync_operation): Revert last change.
8307         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
8308         not vs new value.
8309         (expand_compare_and_swap_loop): Likewise.
8310         (expand_sync_operation): Remove fallback from NAND to AND; invert
8311         memory operand when expanding from cmpxchg.
8312         (expand_sync_fetch_operation): Likewise.
8313         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
8314         compare-and-swap.
8315
8316         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
8317         when implementing NAND.  Fix double-add for AFTER.
8318         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
8319         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8320         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
8321         memory value.
8322         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
8323         memory barrier.
8324
8325         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
8326         to return old memory value.
8327         (sync_compare_and_swap_cc<IMODE>): Likewise.
8328
8329         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
8330         return pre-reload.  Don't consider output or anti dependencies.
8331         * config/ia64/sync.md (IMODE): New.
8332         (modesuffix): Add QI and HI.
8333         (memory_barrier): Simplify expansion.
8334         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
8335         (cmpxchg_acq_<IMODE>): Likewise.
8336         (sync_lock_test_and_set<IMODE>): Likewise.
8337         (sync_lock_release<IMODE>): Likewise.
8338
8339 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
8340
8341         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
8342         ~X or ~Y simplify.
8343
8344 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
8345
8346         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
8347
8348 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
8349             Joseph S. Myers  <joseph@codesourcery.com>
8350
8351         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
8352         * c-typeck.c (build_c_cast): Check these options.
8353         * doc/invoke.texi: Document these options.
8354
8355 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8356
8357         * tree-ssa-phiopt.c: Update a comment about the pass.
8358
8359 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
8360
8361         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
8362         config/mcore/mcore.c: Fix comment typos.
8363
8364 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
8365
8366         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
8367         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
8368
8369 2005-04-19  Paul Brook  <paul@codesourcery.com>
8370
8371         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
8372
8373 2005-04-19  Andrew Haley  <aph@redhat.com>
8374
8375         PR java/21022
8376         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
8377         looking at a field's bitpos.
8378
8379 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8380
8381         * system.h (fopen, fdopen, freopen): Define these to the unlocked
8382         libiberty functions.
8383
8384 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
8385
8386         PR tree-optimization/21096
8387         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
8388
8389 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
8390
8391         PR target/21098
8392         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
8393         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
8394
8395 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
8396
8397         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
8398         refers to the function being dumped.
8399
8400 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
8401
8402         * varasm.c (assemble_start_function): Remove reset of in_section.
8403
8404 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8405
8406         PR tree-optimization/21085
8407         * fold-const (fold_binary): Don't change X % -C to X % C if C has
8408         overflowed.
8409
8410 2005-04-19  Ben Elliston  <bje@au.ibm.com>
8411
8412         * doc/invoke.texi (Optimize Options): Refer to the correct
8413         optimisation flag -ftree-dominator-opts, not -ftree-dom.
8414
8415 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
8416
8417         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
8418         alloca argument to be big enough.
8419
8420 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
8421
8422         PR middle-end/21049
8423         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
8424         cfun->cfg are NULL.
8425
8426 2005-04-18  Tom Tromey  <tromey@redhat.com>
8427
8428         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
8429         typo.
8430
8431 2005-04-18  Richard Henderson  <rth@redhat.com>
8432
8433         * config/alpha/alpha.c (alpha_split_atomic_op): New.
8434         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
8435         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
8436         * config/alpha/alpha-protos.h: Update.
8437         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
8438         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
8439         (attr type): Add ld_l, st_c, mb.
8440         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
8441         iornotsi3, xorsi_internal, xornotsi3): New.
8442         * config/alpha/ev4.md (ev4_ld): Add ld_l.
8443         (ev4_ist_c, ev4_mb): New.
8444         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
8445         (ev5_ld_l): New.
8446         * config/alpha/ev6.md (ev6_ild): Add ld_l.
8447         (ev6_ist): Add st_c.
8448         (ev6_mb): New.
8449         * config/alpha/sync.md: New file.
8450
8451 2005-04-18  Richard Henderson  <rth@redhat.com>
8452
8453         * builtins.c (expand_builtin_sync_operation): Fold nand to and
8454         for constants.
8455
8456         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
8457
8458 2005-04-18  Devang Patel  <dpatel@apple.com>
8459
8460         * config/rs6000/atlivec.md (mulv4si3): New pattern.
8461
8462 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8463
8464         PR tree-optimization/20922
8465         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
8466         Fold X + c >= X and fold X - c <= X to true.
8467
8468 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8469
8470         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
8471         unsigned int.
8472         (emergency_labeled_state_free): Likewise.
8473
8474 2005-04-18  Nick Clifton  <nickc@redhat.com>
8475
8476         * config/h8300/h8300.md (jump): Remove prescan parameter from
8477         calls to final_scan_insn.
8478
8479         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
8480         parameter from calls to final_scan_insn.
8481
8482         * config.gcc (m68hc12): Use the m68hc11.opt file for target
8483         specific options.
8484         (v850e, v850e1): Use the v850.opt file for target specific
8485         options.
8486
8487 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
8488
8489         PR tree-optimization/21001
8490         * tree-optimize.c (init_tree_optimization_passes): Move the
8491         first pass_forwprop immediately before pass_vrp.
8492
8493 2005-04-17  Ian Lance Taylor  <ian@airs.com>
8494
8495         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
8496         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
8497         from enum tree_code op to bool is_sizeof.
8498         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
8499         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
8500         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
8501         case.
8502         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
8503         cases.
8504         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
8505         ALIGNOF_EXPR cases.
8506
8507 2005-04-17  Ian Lance Taylor  <ian@airs.com>
8508
8509         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
8510
8511 2005-04-17  Richard Henderson  <rth@redhat.com>
8512
8513         * config/alpha/alpha.c (va_list_skip_additions): Only define if
8514         TARGET_ABI_OSF.
8515         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
8516         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
8517         of indirection through ssa names while looking for the gpr counter
8518         field.
8519         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
8520         saved va_list_gpr_size and va_list_fpr_size.
8521
8522 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8523
8524         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
8525         both pointers or both integers.
8526
8527         * tree-vrp.c (maybe_add_assert_expr): Don't assert
8528         ASSERT_EXPRs for single-use variable.
8529
8530         * tree-into-ssa.c: Fix a comment typo.
8531
8532 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
8533
8534         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
8535         -mipsN before forcing a default of -mips2.
8536
8537 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8538
8539         * predict.h (IS_TAKEN): Remove.
8540         * rtl.h (NOTE_PREDICTION): Likewise.
8541
8542         * modulo-sched.c (CFG_HOOKS): Remove.
8543
8544         * c-parser.c (N_C_TTYPES): Remove.
8545
8546         * tree-flow-inline.h (get_stmt_operands): Remove.
8547         * lambda-code.c, tree-ssa-loop-unswitch.c,
8548         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
8549         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
8550         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
8551         calls to get_stmt_operands.
8552         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
8553
8554 2005-04-17  Richard Henderson  <rth@redhat.com>
8555
8556         PR target/20375
8557         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
8558         of CUMULATIVE_ARGS past the last named argument.
8559         (alpha_va_start): Expect pretend_args_size only if strictly less than
8560         6 named arguments.
8561
8562 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8563
8564         PR middle-end/21024
8565         * builtins.c (expand_builtin_strcat): Convert the result of
8566         strlen to the right type.
8567         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
8568         avoid creating type mismatches.
8569         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
8570         type mismatches.
8571
8572         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
8573
8574 2005-04-16  Richard Henderson  <rth@redhat.com>
8575
8576         PR target/21051
8577         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
8578         Use the mode of boolean_type_node when the user doesn't provide one.
8579         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
8580
8581 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
8582
8583         PR target/20126
8584         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
8585         (const)).
8586
8587         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
8588         comment.
8589
8590 2005-04-16  Roger Sayle  <roger@eyesopen.com>
8591             Steven Bosscher  <stevenb@suse.de>
8592
8593         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
8594         (fold_unary_to_constant): Likewise.
8595
8596 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
8597
8598         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
8599         PROP_ASM_SCAN.
8600
8601 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
8602
8603         * doc/install.texi (Specific): Avoid using asterisks in @anchor
8604         names related to target triplets.
8605         Remove i?86-*-esix from platform directory.
8606         Remove powerpc-*-eabiaix from platform directory.
8607
8608 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
8609
8610         PR middle-end/20491
8611         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
8612         falling through from SUBREG case to REG.
8613
8614 2005-04-15  Roger Sayle  <roger@eyesopen.com>
8615
8616         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
8617         (fold_binary): Update comment mentioning fold_relational_hi_lo.
8618         (fold_binary_to_constant): Simplify using fold_binary.
8619         (fold_unary_to_constant): Likewise, simplify using fold_unary.
8620
8621 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8622
8623         * gthr-posix.c (pthread_cancel): Define.
8624         (pthread_mutexattr_init): Likewise.
8625         (pthread_mutexattr_settype): Likewise.
8626         (pthread_mutexattr_destroy): Likewise.
8627
8628 2005-04-15  David S. Miller  <davem@davemloft.net>
8629
8630         PR target/20673
8631         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
8632
8633 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8634
8635         PR tree-optimization/21031
8636         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
8637         (forward_propagate_into_cond_1): Call it.  Forward propagate
8638         integer-integer casts into COND_EXPRs.
8639
8640 2005-04-15  Dave Korn  <dave.korn@artimi.com>
8641
8642         * gcc.c (default_compilers): Clarify obscure error message when
8643         reading from standard input.
8644
8645 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8646
8647         * basic-block.h (PROP_EQUAL_NOTES): Remove.
8648         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
8649
8650         * tree-ssa-alias.c (init_alias_info): Remove a call to
8651         get_stmt_operands.
8652
8653 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
8654
8655         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
8656         of non-virtual PHI nodes like we use to.
8657
8658 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
8659
8660         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
8661         (attr_copy_rtx): Do not use it.
8662
8663 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
8664
8665         * doc/tree-ssa.texi: Grammer/abbreviation updates.
8666
8667 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
8668
8669         * tree-vect-transform.c (vectorizable_store): Mark necessary
8670         objects in the vectorized store needing renaming.  Update the
8671         SSA graph for V_MAY_DEF operands in the original store.
8672
8673 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
8674
8675         * tree-ssa-pre.c (compute_avail): It's okay to have
8676         TREE_INVARIANT's here, and value number the resulting expressions.
8677         (create_expression_by_pieces): Make sure operands that were
8678         min_invariant when we started, stay that way.
8679
8680 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
8681
8682         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
8683
8684 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8685
8686         PR tree-optimization/20936.
8687         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
8688
8689 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8690
8691         * doc/invoke.texi: Fix typos.
8692         * doc/md.texi: Likewise.
8693         * doc/rtl.texi: Likewise.
8694         * doc/sourcebuild.texi: Likewise.
8695         * doc/tm.texi: Likewise.
8696
8697 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
8698
8699         PR tree-optimization/21004
8700         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
8701         and floorl in c99 mode only.
8702         * builtins.c (expand_builtin_int_roundingfn): Assert that
8703         fallback_fndecl is not NULL_TREE.
8704
8705 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8706
8707         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
8708         * basic-block.h: Update the prototype for
8709         purge_all_dead_edges.
8710         * cfgexpand.c (tree_expand_cfg): Update a call to
8711         purge_all_dead_edges.
8712         * combine.c (combine_instructions): Likewise.
8713         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
8714         rest_of_handle_cse2, rest_of_handle_gcse,
8715         rest_of_handle_postreload): likewise.
8716
8717 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
8718
8719         PR middle-end/20739
8720         * gimplify.c (gimplify_addr_expr): Compensate for removal of
8721         e.g. cv-qualification conversions.
8722
8723 2005-04-14  Mike Stump  <mrs@apple.com>
8724
8725         * config/darwin-c.c (framework_construct_pathname): We must
8726         find all headers of a framework in the first instance of it
8727         found in the seach path.
8728
8729 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8730
8731         PR tree-optimization/21021
8732         * tree-vrp.c (compare_values): Work around a bug in the front
8733         end that produces a comparison of mismatched types.
8734
8735 2004-04-14  Richard Henderson  <rth@redhat.com>
8736
8737         * config/ia64/ia64.h (enum fetchop_code): Remove.
8738         (enum ia64_builtins): Move ...
8739         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
8740         members except BSP and FLUSHRS.
8741         (ia64_init_builtins): Remove __sync builtins.
8742         (ia64_expand_builtin): Likewise.
8743         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
8744         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
8745         (ia64_expand_lock_release): Remove.
8746         * config/ia64/ia64.md (mf): Move to sync.md.
8747         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
8748         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
8749         * config/ia64/sync.md: New file.
8750         (memory_barrier): Rename from mf.
8751         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
8752         (cmpxchg_acq_<I48MODE>): Likewise.
8753         (sync_lock_test_and_set<I48MODE>): Likewise.
8754
8755         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
8756         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
8757
8758 2004-04-14  Richard Henderson  <rth@redhat.com>
8759
8760         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
8761         (ix86_compare_emitted): New.
8762         (ix86_expand_compare): Use ix86_compare_emitted if set.
8763         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
8764         and ix86_compare_op0 are set.
8765         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
8766         (TARGET_CMPXCHG, TARGET_XADD): New.
8767         (ix86_compare_emitted): Declare.
8768         * config/i386/i386.md: Include sync.md
8769         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
8770         (UNSPECV_XCHG, UNSPECV_LOCK): New.
8771         * config/i386/sync.md: New file.
8772
8773 2004-04-14  Richard Henderson  <rth@redhat.com>
8774
8775         PR middle-end/14311
8776         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
8777         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
8778         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
8779         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
8780         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
8781         BT_FN_I8_VPTR_I8_I8): New.
8782         * builtins.def (DEF_SYNC_BUILTIN): New.
8783         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
8784         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
8785         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
8786         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
8787         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
8788         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
8789         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
8790         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
8791         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
8792         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
8793         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
8794         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
8795         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
8796         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
8797         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
8798         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
8799         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
8800         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
8801         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
8802         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
8803         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
8804         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
8805         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
8806         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
8807         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
8808         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
8809         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
8810         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
8811         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
8812         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
8813         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
8814         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
8815         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
8816         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
8817         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
8818         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
8819         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
8820         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
8821         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
8822         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
8823         BUILT_IN_SYNCHRONIZE: New.
8824         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
8825         as a function.  Accept __sync_ as a prefix as well.
8826         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8827         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
8828         expand_builtin_lock_release): New.
8829         (expand_builtin): Call them.
8830         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
8831         neither BOTH_P nor FALLBACK_P are defined.
8832         (builtin_type_for_size): New.
8833         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
8834         (resolve_overloaded_builtin): New.
8835         * c-common.h (resolve_overloaded_builtin): Declare.
8836         (builtin_type_for_size): Declare.
8837         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
8838         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
8839         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
8840         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
8841         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
8842         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
8843         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
8844         sync_compare_and_swap_cc, sync_lock_test_and_set,
8845         sync_lock_release): New.
8846         * optabs.h: Declare them.
8847         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
8848         expand_sync_operation, expand_sync_fetch_operation,
8849         expand_sync_lock_test_and_set): Declare.
8850         * genopinit.c (optabs): Add sync optabs.
8851         * optabs.c (init_optabs): Initialize sync optabs.
8852         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
8853         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
8854         expand_sync_operation, expand_sync_fetch_operation,
8855         expand_sync_lock_test_and_set): New.
8856         * doc/extend.texi (Atomic Builtins): New section
8857         * doc/md.texi (Standard Names): Add sync patterns.
8858
8859 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
8860
8861         * tree-eh.c (lower_try_finally_copy): Generate new code in
8862         response to goto_queue entries as if the queue was sorted by
8863         index, not pointers.
8864         (lower_try_finally_switch): Likewise.
8865
8866 2005-04-14  Richard Henderson  <rth@redhat.com>
8867
8868         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
8869         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
8870         register.
8871         (ix86_expand_fp_movcc): Update to match.
8872         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
8873         * config/i386/i386-protos.h: Update.
8874         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
8875         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
8876
8877 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
8878
8879         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
8880         refer to 4.0.
8881
8882 2005-04-14  Julian Brown  <julian@codesourcery.com>
8883
8884         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
8885         link failures on ppc64 Linux.
8886
8887 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8888
8889         * config.gcc: Set cpu_type for s390.
8890
8891 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
8892
8893         Fix PR tree-optimization/20963
8894         * tree-ssa-pre.c (compute_avail): Remove special case for
8895         TREE_INVARIANT.
8896         (create_expression_by_pieces): Add value numbers for forced out
8897         statements.
8898
8899 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
8900
8901         * config/cris/cris.md: Replace references to (reg:SI 16) with
8902         (reg:SI CRIS_SRP_REGNUM).
8903
8904 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8905
8906         PR tree-optimization/20657
8907         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
8908         create an appropriate range from it.
8909
8910 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8911
8912         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
8913         <UNSPEC_FIST_CEIL> case.
8914
8915         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
8916         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
8917         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
8918         to implement lfloor and llfloor built-ins as x87 intrinsic function.
8919         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
8920         (lfloor<mode>2): New expanders.
8921         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
8922         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
8923         to implement lceil and llceil built-ins as x87 intrinsic function.
8924         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
8925         (lceil<mode>2): New expanders.
8926
8927 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8928
8929         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
8930         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
8931
8932 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
8933
8934         PR target/20927
8935         * config/s390/s390-modes.def: Define TFmode.
8936
8937 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
8938
8939         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
8940         (JUMP_TABLES_IN_TEXT_SECTION): Define.
8941         * config/mips/mips.c (mips16_insn_length): Remove reference to
8942         JUMP_TABLES_IN_TEXT_SECTION.
8943
8944 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
8945
8946         * simplify-rtx.c (simplify_binary_operation_1): Return
8947         scalar or vector of constant 0, depending on the xor's
8948         mode.
8949
8950 2005-04-13  Dale Johannesen  <dalej@apple.com>
8951
8952         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
8953         (objc-act.o):  Ditto.
8954         * objc/objc-act.c (objc_gimplify_expr):  New.
8955         (objc_get_callee_fndecl):  New.
8956         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
8957         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
8958         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
8959
8960 2005-04-13  Devang Patel  <dpatel@apple.com>
8961
8962         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
8963         temp variables.
8964
8965 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
8966
8967         CRIS prologue as RTL.
8968         * config/cris/cris-protos.h (cris_emit_movem_store)
8969         (cris_expand_prologue): Prototype.
8970         * config/cris/cris.c (struct machine_function): New member
8971         stdarg_regs.
8972         (cfa_label_num, cris_target_asm_function_prologue): Remove.
8973         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
8974         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
8975         (cris_load_multiple_op, cris_return_address_on_stack)
8976         (cris_return_address_on_stack_for_return): ISO-Cify.
8977         (cris_store_multiple_op): New predicate function.
8978         (cris_expand_prologue, cris_emit_movem_store): New functions.
8979         (cris_print_operand) <case 'O'>: Handle modifications other than
8980         post-increment.
8981         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
8982         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
8983         (cris_gen_movem_load): Rearrange slightly to make local variable
8984         src a parameter, removing osrc.
8985         (cris_setup_incoming_varargs): Set machine_function member
8986         stdarg_regs to correspond to the number of registers that need to
8987         be saved.
8988         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
8989         CRIS_UNSPEC_GOT.
8990         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
8991         cris_general_operand_or_gotless_symbol accept UNSPEC.
8992         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
8993         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
8994         ("*cris_store_multiple"): New pattern.  Tweak common comment above
8995         this and "*cris_load_multiple".
8996         ("prologue"): New define_expand.
8997
8998         * config/cris/cris.md ("epilogue"): Conditionalize on
8999         TARGET_PROLOGUE_EPILOGUE.
9000
9001 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
9002
9003         PR target/20924
9004         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
9005         fpsr 0 instead of fpsr 1.
9006         (divsf3_internal_thr): Ditto.
9007         (divdf3_internal_lat): Ditto.
9008         (divdf3_internal_thr): Ditto.
9009         (divxf3_internal_lat): Ditto.
9010         (divxf3_internal_thr): Ditto.
9011
9012 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
9013
9014         PR tree-optimization/20913
9015         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
9016
9017         PR tree-optimization/20702
9018         * tree-vrp.c (maybe_add_assert_expr): Recurse into
9019         dominator children that haven't been walked into.
9020
9021 2005-04-13  Julian Brown  <julian@codesourcery.com>
9022
9023         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
9024         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
9025         is true.
9026
9027 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
9028
9029         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
9030         config/i386/sse.md: Fix comment typos.
9031
9032         * genattrtab.c (NULL_ATTR): Remove.
9033         * ifcvt.c (NULL_EDGE): Likewise.
9034
9035         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
9036
9037         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
9038         NOTE_PREDICT): Remove.
9039
9040 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9041
9042         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
9043         * configure: Regenerate.
9044         * config.in: Likewise.
9045         * system.h: Declare vsnprintf if not already declared.
9046
9047 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9048
9049         * optc-gen.awk: Handle stand-alone Mask records.
9050         * opth-gen.awk: Likewise.
9051         * doc/options.texi (Option file format): Document them.
9052         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
9053         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
9054         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
9055         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
9056         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
9057         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
9058         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
9059         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
9060         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
9061         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
9062         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
9063         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
9064         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
9065         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
9066         TARGET_LONG_DOUBLE_128): Likewise.
9067         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
9068         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
9069         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
9070         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
9071         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
9072         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
9073         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
9074         * config/sparc/sparc.c (fpu_option_set): New global.
9075         (sparc_handle_option): New function.
9076         (sparc_override_options): Test fpu_option_set.
9077         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
9078         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
9079         * config/sparc/sparc.opt: New file.
9080         * config/sparc/little-endian.opt: Likewise.
9081         * config/sparc/long-double-switch.opt: Likewise.
9082
9083 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9084
9085         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
9086         (bfin_handle_options): Set it if -mshared-library-id= is seen.
9087         * config/bfin/bfin.opt (mshared-library-id=): Lose
9088         Var(bfin_lib_id_given).
9089
9090 2005-04-13  Matt Thomas  <matt@3am-software.com>
9091
9092         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
9093         defining.
9094
9095 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
9096
9097         * rtl.h (CLEAR_RTX_FLAGS): Remove.
9098
9099         * cgraphunit.c (INSNS_PER_CALL): Remove.
9100
9101         * tree-ssa-forwprop.c (vars,
9102         record_single_argument_cond_exprs,
9103         substitute_single_use_vars): Remove.
9104         (forward_propagate_into_cond_1, forward_propagate_into_cond):
9105         New.
9106         (tree_ssa_forward_propagate_single_use_vars): Call
9107         forward_propagate_into_cond for each COND_EXPR.
9108
9109         * tree-inline.c (INSNS_PER_STMT): Remove.
9110
9111 2005-04-12  Richard Henderson  <rth@redhat.com>
9112
9113         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
9114         (ix86_expand_sse_fp_minmax): ... from ...
9115         (ix86_expand_fp_movcc): ... here.
9116         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
9117         * config/i386/i386-protos.h: Update.
9118         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
9119         (sse_setccsf, sse_setccdf): Allow before reload.
9120         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
9121         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
9122         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
9123         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
9124         (anddf3, nanddf3, iordf3, xordf3): New.
9125
9126 2005-04-12  Jeff Law  <law@redhat.com>
9127
9128         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
9129         (tree-ssa-uncprop.o): Add dependencies.
9130         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
9131         * tree-flow.h (remove_useless_stmts): Remove prototype.
9132         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
9133         remove_useless_stmts.
9134         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
9135         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
9136         * tree-pass.h (pass_uncprop): Declare.
9137         * tree-ssa-uncprop.c: New file.
9138
9139 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
9140
9141         PR target/20670
9142         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
9143
9144 2005-04-12  Caroline Tice  <ctice@apple.com>
9145
9146         Temporary fix for partitioning problems.
9147         * passes.c (rest_of_handle_final): Remove code that
9148         frees unlikely_text_section_name,
9149         * varasm.c (assemble_start_function): Test for partitioning
9150         flag before writing out section labels.
9151         (assemble_end_function): Test for partitioning flag before
9152         writing out section labels.
9153
9154 2005-04-12  Steven Bosscher  <stevenb@suse.de>
9155             Stuart Hastings <stuart@apple.com>
9156             Jan Hubicka  <jh@suse.cz>
9157
9158         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
9159         references to gt-tree-cfg.h.
9160         * basic-block.h (struct basic_block_def): Don't skip rbi
9161         for garbage collection.
9162         (struct reorder_block_def): Make GTY-able.
9163         (struct control_flow_graph): New structure.
9164         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
9165         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
9166         but instead defines to the control_flow_graph for cfun.
9167         (label_to_block_map): New define, points to the label map of
9168         the control_flow_graph for cfun.
9169         (n_edges_for_function, n_basic_blocks_for_function,
9170         last_basic_block_for_function, basic_block_info_for_function,
9171         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
9172         basic_block_info_for_function, label_to_block_map_for_function):
9173         Counterparts for the above, taking a struct function as an extra
9174         argument.
9175         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
9176         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
9177         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
9178         (alloc_rbi_pool, free_rbi_pool): Remove.
9179         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
9180         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
9181         here...
9182         (cfg_layout_finalize) ... and don't free it here.
9183         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
9184         garbage collected.
9185         * flow.c (free_basic_block_vars): Set label_to_block_map and
9186         n_edges to zero too.
9187         * function.h (struct function): Add cfg field.
9188         * function.c (allocate_struct_function): Allocate the cfg.
9189         * tree-cfg.c (label_to_block_map): Remove.
9190         (build_tree_cfg): Don't allocate the rbi pool here...
9191         (delete_tree_cfg_annotations): ...and don't free it here.
9192         Also don't nullify label_to_block_map for cfun.
9193
9194 2005-04-12  Caroline Tice  <ctice@apple.com>
9195
9196         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9197         Revert my patch from April 9.
9198         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
9199         (reorder_basic_blocks): Revert my patch from April 9.
9200         (insert_section_boundary_note): Revert my patch from April 9.
9201         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
9202         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
9203         (COLD_END_LABEL):  Revert my patch from April 9.
9204         (cold_text_section_label):  Revert my patch from April 9.
9205         (cold_end_label): Revert my patch from April 9.
9206         (dwarf2out_switch_text_section): Revert my patch from April 9.
9207         (output_aranges): Revert my patch from April 9.
9208         (output_ranges):  Revert my patch from April 9.
9209         (output_line_info): Revert my patch from April 9.
9210         (add_location_or_const_value_attribute):  Revert my patch from April 9.
9211         (dwarf2out_var_location): Revert my patch from April 9.
9212         (dwarf2out_init):  Revert my patch from April 9.
9213         (dwarf2out_finish): Revert my patch from April 9.
9214         * function.h (struct function): Revert my patch from April 9.
9215         * opts.c (decode_options): Revert my patch from April 9.
9216         * output.h (unlikely_section_label, hot_section_label,
9217         hot_section_end_label, cold_section_end_label,
9218         unlikely_text_section_name): Revert my patch from April 9.
9219         * passes.c (rest_of_handle_final): Revert my patch from April 9.
9220         * varasm.c (unlikely_section_label, hot_section_label,
9221         hot_section_end_label, cold_section_end_label,
9222         unlikely_text_section_name): Revert my patch from April 9.
9223         (initialize_cold_section_name): Revert my patch from April 9.
9224         (unlikely_text_section): Revert my patch from April 9.
9225         (in_unlikely_text_section): Revert my patch from April 9.
9226         (named_section): Revert my patch from April 9.
9227         (function_section): Revert my patch from April 9.
9228         (current_function_section): Revert my patch from April 9.
9229         (assemble_start_function): Revert my patch from April 9.
9230         (assemble_end_function): Revert my patch from April 9.
9231         (default_section_type_flags_1): Revert my patch from April 9.
9232
9233 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9234
9235         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
9236         * config/sparc/sparc.md (untyped_call): Save the registers manually.
9237
9238         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
9239
9240 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
9241
9242         PR middle-end/20917
9243         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
9244         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
9245
9246 2004-04-12  Richard Henderson  <rth@redhat.com>
9247
9248         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
9249         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
9250         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
9251         (UNSPEC_*, UNSPECV_*): Renumber.
9252
9253 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
9254
9255         PR mudflap/19266
9256         From Richard Henderson <rth@redhat.com>:
9257         * tree-mudflap.c (mf_build_check_statement_for): Correct block
9258         splitting logic.
9259
9260 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
9261
9262         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
9263
9264 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9265
9266         * config/bfin/bfin.c (bfin_library_id_string): Remove.
9267         (bfin_library_id): New variable.
9268         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
9269         instead of bfin_library_id_string.
9270         (bfin_handle_option): New function.
9271         (override_options): Remove most code to deal with shared library IDs,
9272         just check they aren't used without -mid-shared-library.
9273         (TARGET_HANDLE_OPTION): Define.
9274         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
9275         * config/bfin/bfin.opt (mshared-library-id=): New.
9276
9277 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
9278
9279         * tree-vect-transform.c: Fix comment typos.
9280
9281 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
9282
9283         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
9284         split critical edges when not possible/profitable.
9285
9286 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
9287
9288         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
9289         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
9290         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
9291         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
9292         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
9293         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
9294         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
9295         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
9296         MASK_NO_BITFIELD.
9297         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
9298         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9299         * config/ns32k/ns32k.opt: New file.
9300
9301 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
9302
9303         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
9304         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
9305         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
9306         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
9307         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
9308         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
9309         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
9310         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
9311         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
9312         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
9313         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
9314         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
9315         (MASK_COLDFIRE): Formatting fixes.
9316         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
9317         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
9318         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
9319         "_current_shared_library_a5_offset_".
9320         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9321         (MASK_ALL_CPU_BITS): New macro.
9322         (m68k_handle_option): New function.
9323         (override_options): Remove handling of m68k_library_id_string.
9324         * config/m68k/m68k.opt: New file.
9325         * config/m68k/ieee.opt: New file.
9326
9327 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
9328
9329         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9330         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
9331         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9332         (TARGET_CXX): Adjust accordingly.
9333         * target.h (struct gcc_target): Remove epxort_class_data.  Add
9334         determine_class_data_visibility and class_data_always_comdat.
9335         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9336         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
9337         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9338         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
9339         (arm_cxx_determine_class_data_visibility): New.
9340         (arm_cxx_class_data_always_comdat): Likewise.
9341         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9342         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
9343         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9344         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
9345         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
9346         Define.
9347
9348 2005-04-11  Devang Patel  <dpatel@apple.com>
9349
9350         * tree-data-ref.c (build_classic_dist_vector,
9351         compute_subscript_distance): Make externally visible.
9352         * tree-data-ref.h (build_classic_dist_vector,
9353         compute_subscript_distance): Same.
9354         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
9355         Check distance vector against vectorization factor.
9356         (vect_analyze_loop): Determine vectorizaion factor before
9357         analyzing data dependences.
9358         * tree-vectorizer.c (loops_num): Make it externally visible and
9359         rename ...
9360         * tree-vectorizer.c (vect_loops_num): ... new name.
9361         * tree-vectorizer.h  (vect_loops_num): New.
9362
9363 2005-04-11  Devang Patel  <dpatel@apple.com>
9364
9365         * tree-vect-analyze.c (vect_analyze_operations): Check
9366         vectorizable codition.
9367         * tree-vect-transform.c (vect_is_simple_cond): New function.
9368         (vectorizable_condition): New function.
9369         (vect_transform_stmt): Handle condition_vec_info_type.
9370         * tree-vectorizer.h (enum stmt_vec_info_type): Add
9371         condition_vec_info_type.
9372         (vectorizable_condition): New.
9373
9374 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
9375
9376         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
9377         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
9378         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
9379
9380         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
9381         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
9382
9383         * dwarf2out.c (output_line_info): Don't try to dereference
9384         a NULL current_function_decl.
9385
9386         * config/t-slibgcc-darwin: Don't put shared libraries in
9387         directories other than $(slibdir).
9388         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
9389         OS uses for it.
9390
9391 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
9392
9393         PR tree-optimization/20933
9394         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
9395         logic to reject aliases between read-only and writable
9396         variables ...
9397         (may_alias_p): ... here.
9398         (get_tmt_for): Do not associate read-only tags to pointers
9399         whose pointed-to type is not read-only.
9400         * tree-ssa.c (verify_ssa): Check that memory stores have at
9401         least one V_MAY_DEF or V_MUST_DEF.
9402
9403 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9404
9405         PR/17092
9406         * configure.ac (gcc_UNLOCKED_FUNCS): New.
9407         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
9408         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
9409         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
9410         _unlocked function.
9411         (fwrite_unlocked): Fix prototype.
9412
9413         * configure, config.in: Regenerate.
9414
9415 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
9416
9417         * tree-ssa-loop-im.c: Include real.h.
9418         (determine_invariantness_stmt): If real division divisor is
9419         invariant and flag_unsafe_math_optimizations enabled, generate
9420         invariant reciprocal for hoisting.
9421         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
9422
9423 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
9424
9425         Fix PR tree-optimization/20926
9426
9427         * tree-ssa-alias.c (add_type_alias): Handle subvars.
9428
9429 2005-04-11  Devang Patel  <dpatel@apple.com>
9430
9431         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
9432         operand ordering.
9433
9434 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
9435
9436         * fold-const.c (fold_binary_op_with_conditional_arg):
9437         use fold_buildN instead of "fold (buildN" in some
9438         non obvious places.
9439         (fold_unary): Likewise.
9440         (fold_binary): Likewise.
9441
9442 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
9443
9444         Fix PR tree-optimization/20612
9445         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
9446         handling
9447         (perfect_nestify): preheaderbb is *not* part of loop of the
9448         old destination.
9449
9450 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
9451
9452         * tree-ssa-alias.c (may_alias_p): If the variable
9453         is a global variable and the pointer is parameter
9454         and -fargument-noalias-global is used, then
9455         the pointer cannot alias the variable.
9456
9457 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
9458
9459         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
9460         * config/sparc/sparc.h: Likewise.
9461         * config/sparc/sparc.md: Likewise.
9462
9463 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
9464
9465         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
9466
9467         * tree-vrp.c: Fix a comment typo.
9468
9469 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
9470
9471         PR tree-optimization/20920
9472         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
9473         SSA_NAME flows through an abnormal edge.
9474         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
9475         through abnormal edges.
9476         (maybe_add_assert_expr): Likewise.
9477
9478 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
9479
9480         * config/s390/s390.h (s390_tune_string, s390_arch_string)
9481         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
9482         (s390_stack_size_string, s390_stack_guard_string, target_flags)
9483         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
9484         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
9485         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
9486         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
9487         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
9488         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
9489         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
9490         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
9491         (TARGET_HANDLE_OPTION): Likewise.
9492         (s390_tune): Initialize to PROCESSOR_max.
9493         (s390_arch_string): Make static.
9494         (s390_tune_string, s390_warn_framesize_string): Delete.
9495         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
9496         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
9497         (s390_handle_arch_option, s390_handle_option): New functions.
9498         (override_options): Remove parsing of option strings.
9499         * config/s390/s390.opt: New file.
9500
9501 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
9502
9503         * tree-complex.c (expand_vector_operations): Call
9504         update_stmt_if_modified.
9505
9506 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
9507
9508         * tree-vect-analyze (vect_determine_vectorization_factor):
9509         Do not use GET_MODE_NUNITS.
9510         * tree-vect-transform.c (vect_get_vec_def_for_operand,
9511         (vectorizable_load, vect_transform_loop): Likewise.
9512
9513 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
9514
9515         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
9516         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
9517         * optabs.h (enum optab_index): Add new OTI_lceil.
9518         (lceil_optab): Define corresponding macro.
9519         * optabs.c (init_optabs): Initialize lceil_optab.
9520         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
9521         and lceildi2 patterns.
9522         * builtins.c (expand_builtin_int_roundingfn): Handle
9523         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
9524         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
9525         BUILT_IN_LLCEIL{,F,L}.
9526         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
9527         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
9528         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
9529         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
9530         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
9531         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
9532         into lceil built-in function and (long long int)ceil{,f,l} into
9533         llceil built-in function.
9534         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
9535         BUILT_IN_LLCEIL.
9536
9537 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9538
9539         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
9540         zero.
9541
9542 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
9543
9544         * config/arm/arm.c: Fix a comment typo.
9545         * doc/tree-ssa.texi: Fix a typo.
9546
9547 2005-04-10  Steven Bosscher  <stevenb@suse.de>
9548
9549         * cselib.c (clear_table): Rename to cselib_clear_table.
9550         * cselib.h (cselib_clear_table): Add prototype.
9551         * gcse.c (gcse_main): Make 'f' argument unused.
9552         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
9553         of each basic block instead.
9554         (compute_sets, compute_hash_table_work): Likewise.
9555         (constprop_register): Change int 'alter_jumps' argument to bool.
9556         (do_local_cprop): Likewise.
9557         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
9558         the insn chain.  Explicitly clear the cselib tables after finishing
9559         one basic block.  Make sure there are no unterminated libcall blocks.
9560         Update compute_sets call.
9561         (cprop): Walk basic blocks instead of the insn chain.
9562         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
9563         Likewise.
9564         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
9565         one_cprop_pass calls.
9566
9567 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
9568
9569         * combine.c (combine_simplify_rtx): Remove a transformation that
9570         relies on an invalid assumption about rtl sign-extension semantics.
9571
9572 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
9573
9574         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
9575         to build_int_cst_wide.
9576
9577 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
9578
9579         PR target/20126
9580         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
9581         set the original address pseudo to the correct value before the
9582         original insn, if possible, and leave the insn alone, otherwise
9583         create a new pseudo, set it and replace it in the insn.
9584         * recog.c (validate_change_maybe_volatile): New.
9585         * recog.h (validate_change_maybe_volatile): Declare.
9586
9587 2005-04-09  Caroline Tice  <ctice@apple.com>
9588
9589         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9590         Remove targetm.have_named_sections test.
9591         (fix_edges_for_rarely_executed_code): Likewise.
9592         (insert_section_boundary_note): Likewise.
9593         (reorder_basic_blocks): Check partitioning flag before calling
9594         verify_hot_cold_block_grouping.
9595         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
9596         the function struct rather than global variables.
9597         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
9598         (COLD_END_LABEL): Likewise
9599         (cold_text_section_label): New static global variable.
9600         (cold_end_label): Likewise.
9601         (dwarf2out_switch_text_section): Get hot/cold section labels from
9602         the function struct rather than global variables.
9603         (output_aranges): Use cold_text_section_label and cold_end_label;
9604         check partitioning flag before putting out delta.
9605         (output_ranges): Remove incorrect code attempting to use
9606         hot/cold labels.
9607         (output_line_info): Get cold section label from function struct.
9608         (add_location_or_const_value_attribute): Likewise.
9609         (get_subprogram_die): Get hot/cold section labels from function struct.
9610         (dwarf2out_var_location): Likewise.
9611         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
9612         write out cold_text_section_label if partition flag is set.
9613         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
9614         * function.h (struct function): Add new fields to point to hot/cold
9615         section labels: hot_section_label, cold_section_label,
9616         hot_section_end_label and cold_section_end_label; also add new field
9617         for cold text section name, unlikely_text_section_name.
9618         * opts.c (decode_options): Turn off partitioning flag if
9619         !targetm.have_named_sections.
9620         * output.h (hot_section_label): Remove.
9621         (hot_section_end_label): Remove.
9622         (cold_section_end_label): Remove.
9623         (unlikely_section_label): Remove.
9624         (unlikely_text_section_name): Remove.
9625         * passes.c (rest_of_handle_final):  Remove code that frees
9626         unlikely_text_section_name.
9627         * varasm.c (unlikely_section_label): Remove.
9628         (hot_section_label): Remove.
9629         (hot_section_end_label): Remove.
9630         (cold_section_end_label): Remove.
9631         (unlikely_text_section_name):  Remove.
9632         (initialize_cold_section_name): Modify to call
9633         targetm.strip_name_encoding; to store cold section name in current
9634         function struct, if it exists; and to only use the decl_section_name
9635         if flag_named_sections is true.
9636         (unlikely_text_section): Modify to get section name out of current
9637         function struct, if there is one; otherwise build it from
9638         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
9639         (in_unlikely_text_section): Likewise.
9640         (named_section): Modify to get/put cold section name in current function
9641         struct, if there is one.
9642         (function_section):  Change 'bool unlikely' to 'int reloc'; check
9643         targetm.have_named_sections before calling named_section.
9644         (current_function_section): Likewise.
9645         (assemble_start_function): Modify to get/put unlikely_text_section_name
9646         in current function struct; modify to get hot/cold section labels
9647         from function struct; initialize labels using
9648         ASM_GENERATE_INTERNAL_LABEL;
9649         test partitioning flag before writing out hot section label.
9650         (assemble_end_function): Test partitioning flag before writing out
9651         hot/cold section labels.
9652         (default_section_type_flags_1):  Modify to use array instead of
9653          char* for unlikely_text_section_name; set flags correctly for
9654          cold text section if there is not a current function decl.
9655
9656 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
9657
9658         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
9659         and TI_VA_LIST_FPR_COUNTER_FIELD.
9660         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
9661         * tree-pass.h (pass_stdarg): Add.
9662         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
9663         * tree-stdarg.c: New file.
9664         * tree-stdarg.h: New file.
9665         * Makefile.in (OBJS-common): Add tree-stdarg.o.
9666         (tree-stdarg.o): Add dependencies.
9667         * function.h (struct function): Add va_list_gpr_size and
9668         va_list_fpr_size fields.
9669         * function.c (allocate_struct_function): Initialize them.
9670         * target.h (struct gcc_target): Add stdarg_optimize_hook.
9671         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
9672         (TARGET_INITIALIZER): Add it.
9673
9674         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
9675         va_list_{g,f}pr_counter_field.
9676         (ix86_setup_incoming_varargs): Don't do anything if reg_save
9677         area will not be used.  Only save registers that tree-stdarg.c
9678         detected they need saving.
9679         (ix86_va_start): Don't set up fields that won't be used.
9680
9681         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
9682         va_list_{g,f}pr_counter_field.
9683         (setup_incoming_varargs): Don't do anything if reg_save
9684         area will not be used.  Only save registers that tree-stdarg.c
9685         detected they need saving.
9686         (rs6000_va_start): Don't set up fields that won't be used.
9687
9688         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
9689         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
9690         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
9691         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
9692
9693 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
9694
9695         PR target/20795
9696         * config/i386/i386.c (construct_container): Pass empty aligned
9697         struct, union or class in memory.
9698
9699 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
9700
9701         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
9702         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
9703         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
9704         config/rs6000/predicates.md: Fix comment typos.
9705
9706         * sched-int.h (haifa_insn_data): Remove blockage and units.
9707         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
9708         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
9709         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
9710
9711 2005-04-09  Jan Hubicka  <jh@suse.cz>
9712             Steven Bosscher  <stevenb@suse.de>
9713
9714         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
9715         * cfgloop.c (get_loop_exit_edges): Likewise.
9716         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
9717         (unloop): Likewise.
9718         * loop-unroll.c (analyze_insns_in_loop): Likewise.
9719         * tree-cfg.c (dump_cfg_status): Likewise.
9720
9721 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
9722
9723         * config/rs6000/predicates.md (altivec_register_operand): Remove
9724         redundant match_code test.
9725         (gpc_reg_operand): Same.
9726         (cc_reg_operand): Same.
9727         (cc_reg_not_cr0_operand): Same.
9728
9729 2005-04-09  Jan Hubicka  <jh@suse.cz>
9730
9731         Forgotten hunk from my last merge patch:
9732         * final.c (output_addr_const): Do not call mark_referenced.
9733
9734 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
9735
9736         * doc/tree-ssa.texi: Add immediate use documentation.
9737
9738 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
9739
9740         * arm.c (FL_WBUF): Define.
9741         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
9742         (arm_is_6_or_7): Delete.
9743         (arm_tune_wbuf): New.
9744         (arm_override_options): Set arm_tune_wbuf.
9745         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
9746         (arm_is_6_or_7): Delete declaration.
9747         (arm_tune_wbuf): New declartion.
9748         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
9749         (model_wbuf): Derive from arm_tune_wbuf.
9750         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
9751         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
9752         (arm740t): Mark CPUs as having a write buffer.
9753
9754 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9755
9756         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
9757         of 'const_double_operand' in operand 2 constraints.  Update enable
9758         condition.
9759
9760 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9761
9762         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
9763         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
9764         * optabs.h (enum optab_index): Add new OTI_lfloor.
9765         (lfloor_optab): Define corresponding macro.
9766         * optabs.c (init_optabs): Initialize lfloor_optab.
9767         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
9768         and lfloordi2 patterns.
9769         * builtins.c (expand_builtin_int_roundingfn): New prototype.
9770         (expand_builtin_int_roundingfn): New function.
9771         (fold_builtin_int_roundingfn): New prototype.
9772         (fold_builtin_int_roundingfn): New function, renamed from
9773         fold_builtin_lround.
9774         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
9775         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
9776         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
9777         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
9778         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
9779         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
9780         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
9781         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
9782         into lfloor built-in function and (long long int)floor{,f,l} into
9783         llfloor built-in function.
9784         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
9785         BUILT_IN_LLFLOOR.
9786
9787 2005-04-08  Ian Lance Taylor  <ian@airs.com>
9788
9789         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
9790         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
9791         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
9792         (DO_COND, DO_BODY): Likewise.
9793         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
9794         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
9795         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
9796         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
9797         (build_continue_stmt, build_break_stmt): Don't declare.
9798         (c_do_switch_warnings): Update declaration.
9799         * c-gimplify.c (enum bc_t): Remove.
9800         (struct c_gimplify_ctx, ctxp): Remove.
9801         (push_context, pop_context): Remove static functions.
9802         (c_genericize): Don't call push_context or pop_context.
9803         (begin_bc_block, finish_bc_block): Remove static functions.
9804         (build_bc_goto): Likewise.
9805         (gimplify_c_loop): Likewise.
9806         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
9807         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
9808         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
9809         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
9810         * c-common.c (c_do_switch_warnings): Rename from
9811         c_do_switch_warnings_1.
9812         (c_do_switch_warnings) [old version]: Remove.
9813         (c_do_switch_expr_warnings): Remove.
9814         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
9815         function instead of c_do_switch_expr_warnings.
9816         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
9817         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
9818         * c-pretty-print.c (pp_c_statement): Likewise.
9819         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
9820
9821 2005-04-08  Devang Patel  <dpatel@apple.com>
9822
9823         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
9824         While selecting replacement condition pay attention to loop header.
9825
9826 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
9827
9828         Merge from tree-cleanup-branch: VRP, store CCP, store
9829             copy-prop, incremental SSA updating of FUD chains and
9830             newly exposed symbols.
9831
9832         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
9833         (OBJS-common): Add tree-vrp.o.
9834         (tree-vrp.o): New rule.
9835         * basic-block.h (nearest_common_dominator_for_set): Declare.
9836         * common.opt (ftree-store-ccp): New flag.
9837         (ftree-copy-prop): New flag.
9838         (ftree-vrp): New flag.
9839         (ftree-store-copy-prop): New flag.
9840         * dominance.c (nearest_common_dominator_for_set): New.
9841         * domwalk.c (walk_dominator_tree): Only traverse
9842         statements in blocks marked in walk_data->interesting_blocks.
9843         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
9844         * fold-const.c (fold): Handle ASSERT_EXPR.
9845         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
9846         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
9847         flag_tree_vrp at -O2.
9848         * timevar.def (TV_TREE_VRP): Define.
9849         (TV_TREE_COPY_PROP): Define.
9850         (TV_TREE_STORE_COPY_PROP): Define.
9851         (TV_TREE_SSA_INCREMENTAL): Define.
9852         (TV_TREE_STORE_CCP): Define.
9853         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
9854         to kill_redundant_phi_nodes from comment.
9855         (verify_expr): Handle ASSERT_EXPR.
9856         * tree-dfa.c (mark_new_vars_to_rename): Remove second
9857         argument.  Update all users.
9858         (mark_call_clobbered_vars_to_rename): Remove.  Update all
9859         users.
9860         * tree-flow-inline.h (unmodifiable_var_p): New.
9861         * tree-flow.h (enum value_range_type): Declare.
9862         (struct value_range_def): Declare.
9863         (value_range): Declare.
9864         (remove_all_phi_nodes_for): Remove.  Update all users.
9865         (find_phi_node_for): Declare.
9866         (add_type_alias): Declare.
9867         (count_uses_and_derefs): Declare.
9868         (kill_redundant_phi_nodes): Remove.
9869         (rewrite_into_ssa): Remove.
9870         (rewrite_def_def_chains): Remove.
9871         (update_ssa, register_new_name_mapping, create_new_def_for,
9872         need_ssa_update_p, name_registered_for_update_p,
9873         release_ssa_name_after_update_ssa, dump_repl_tbl,
9874         debug_repl_tbl, dump_names_replaced_by,
9875         debug_names_replaced_by, mark_sym_for_renaming,
9876         mark_set_for_renaming, get_current_def, set_current_def,
9877         get_value_range, dump_value_range, debug_value_range,
9878         dump_all_value_ranges, debug_all_value_ranges,
9879         expr_computes_nonzero, loop_depth_of_name,
9880         unmodifiable_var_p): Declare.
9881         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
9882         ASSERT_EXPR.
9883         * tree-into-ssa.c (block_defs_stack): Update comment.
9884         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
9885         syms_to_rename, names_to_release, repl_tbl,
9886         need_to_initialize_update_ssa_p, need_to_update_vops_p,
9887         need_to_replace_names_p): New locals.
9888         (NAME_SETS_GROWTH_FACTOR): Define.
9889         (struct repl_map_d): Declare.
9890         (struct mark_def_sites_global_data): Add field
9891         interesting_blocks.
9892         (enum rewrite_mode): Declare.
9893         (REGISTER_DEFS_IN_THIS_STMT): Define.
9894         (compute_global_livein): Use last_basic_block instead of
9895         n_basic_blocks.
9896         (set_def_block): Remove last argument.  Update all callers.
9897         (prepare_use_operand_for_rename): Remove.  Update all callers.
9898         (prepare_def_operand_for_rename): Remove.  Update all callers.
9899         (symbol_marked_for_renaming): New.
9900         (is_old_name): New.
9901         (is_new_name): New.
9902         (repl_map_hash): New.
9903         (repl_map_eq): New.
9904         (repl_map_free): New.
9905         (names_replaced_by): New.
9906         (add_to_repl_tbl): New.
9907         (add_new_name_mapping): New.
9908         (mark_def_sites): Assume that all the operands in the
9909         statement are in normal form.
9910         (find_idf): Assert that the block in the stack is valid.
9911         (get_default_def_for): New.
9912         (insert_phi_nodes_for): Add new argument 'update_p'.
9913         Add documentation.
9914         If update_p is true, add a new mapping between the LHS of
9915         each new PHI and the name that it replaces.
9916         (insert_phi_nodes_1): Only call find_idf if needed.
9917         (get_reaching_def): Call get_default_def_for.
9918         (rewrite_operand): Remove.
9919         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
9920         and REWRITE_THIS_STMT are false.
9921         Assume that all the operands in the statement are in
9922         normal form.
9923         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
9924         (rewrite_virtual_phi_arguments): Remove.
9925         (invalidate_name_tags): Remove.
9926         (register_new_update_single, register_new_update_set,
9927         rewrite_update_init_block, replace_use,
9928         rewrite_update_fini_block, rewrite_update_stmt,
9929         rewrite_update_phi_arguments): New.
9930         rewrite_blocks): Remove argument 'fix_virtual_phis'.
9931         Add arguments 'entry', 'what' and 'blocks'.
9932         Initialize the dominator walker according to 'what' and
9933         'blocks'.
9934         Start the dominator walk at 'entry'.
9935         (mark_def_site_blocks): Add argument 'interesting_blocks'.
9936         Use it to configure the dominator walker.
9937         (rewrite_into_ssa): Remove argument 'all'.
9938         Make internal.
9939         (rewrite_all_into_ssa): Remove.
9940         (rewrite_def_def_chains): Remove.
9941         (mark_def_interesting, mark_use_interesting,
9942         prepare_phi_args_for_update, prepare_block_for_update,
9943         prepare_def_site_for, prepare_def_sites,
9944         dump_names_replaced_by, debug_names_replaced_by,
9945         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
9946         delete_update_ssa, create_new_def_for,
9947         register_new_name_mapping, mark_sym_for_renaming,
9948         mark_set_for_renaming, need_ssa_update_p,
9949         name_registered_for_update_p, ssa_names_to_replace,
9950         release_ssa_name_after_update_ssa,
9951         insert_updated_phi_nodes_for, update_ssa): New.
9952         * tree-loop-linear.c (linear_transform_loops): Call
9953         update_ssa instead of rewrite_into_ssa.
9954         * tree-optimize.c (vars_to_rename): Remove.
9955         Update all users.
9956         (init_tree_optimization_passes): Replace
9957         pass_redundant_phi with pass_copy_prop.
9958         Add pass_vrp.
9959         Replace pass_ccp with pass_store_ccp.
9960         Add pass_store_copy_prop after pass_store_ccp.
9961         (execute_todo): If the TODO_ flags don't include updating
9962         the SSA form, assert that it does not need to be updated.
9963         Call update_ssa instead of rewrite_into_ssa and
9964         rewrite_def_def_chains.
9965         If TODO_verify_loops is set, call verify_loop_closed_ssa.
9966         (tree_rest_of_compilation):
9967         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
9968         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
9969         TODO_cleanup_cfg): Renumber.
9970         (TODO_verify_loops, TODO_update_ssa,
9971         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
9972         TODO_update_ssa_only_virtuals): Define.
9973         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
9974         Declare.
9975         * tree-phinodes.c (make_phi_node): Update documentation.
9976         (remove_all_phi_nodes_for): Remove.
9977         (find_phi_node_for): New.
9978         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
9979         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
9980         (interpret_rhs_modify_expr): Likewise.
9981         * tree-sra.c (decide_instantiations): Mark all symbols in
9982         SRA_CANDIDATES for renaming.
9983         (mark_all_v_defs_1): Rename from mark_all_v_defs.
9984         (mark_all_v_defs): New function.  Update all users to call it
9985         with the whole list of scalarized statements, not just the
9986         first one.
9987         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
9988         (compute_flow_insensitive_aliasing): If the tag is
9989         unmodifiable and the variable isn't or vice-versa, don't
9990         make them alias of each other.
9991         (setup_pointers_and_addressables): If the type tag for
9992         VAR is about to change, mark the old one for renaming.
9993         (add_type_alias): New.
9994         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
9995         (ccp_lattice_t): Rename from latticevalue.
9996         (value): Remove.  Update all users.
9997         (const_val): New local variable.
9998         (do_store_ccp): New local variable.
9999         (dump_lattice_value): Handle UNINITIALIZED.
10000         (debug_lattice_value): New.
10001         (get_default_value): Re-write.
10002         (set_lattice_value): Re-write.
10003         (def_to_varying): Remove.  Update all users.
10004         (likely_value): Return VARYING for statements that make
10005         stores when STORE_CCP is false.
10006         Return VARYING for any statement other than MODIFY_EXPR,
10007         COND_EXPR and SWITCH_EXPR.
10008         (ccp_initialize): Re-write.
10009         (replace_uses_in, replace_vuse_in, substitute_and_fold):
10010         Move to tree-ssa-propagate.c.
10011         (ccp_lattice_meet): Handle memory stores when
10012         DO_STORE_CCP is true.
10013         (ccp_visit_phi_node): Likewise.
10014         (ccp_fold): Likewise.
10015         (evaluate_stmt): Likewise.
10016         (visit_assignment): Likewise.
10017         (ccp_visit_stmt): Likewise.
10018         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
10019         into DO_STORE_CCP.
10020         (do_ssa_ccp): New.
10021         (pass_ccp): Use it.
10022         (do_ssa_store_ccp): New.
10023         (gate_store_ccp): New.
10024         (pass_store_ccp): Declare.
10025         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
10026         (may_propagate_copy): Reformat.
10027         Don't abort if ORIG is a virtual and DEST isn't.
10028         If NEW does not have alias information but DEST does,
10029         copy it.
10030         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
10031         copy_prop_kind, which_copy_prop): Declare.
10032         (stmt_may_generate_copy, get_copy_of_val,
10033         get_last_copy_of, set_copy_of_val, dump_copy_of,
10034         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
10035         copy_prop_visit_stmt, copy_prop_visit_phi_node,
10036         init_copy_prop, fini_copy_prop, execute_copy_prop,
10037         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
10038         store_copy_prop): New.
10039         (pass_copy_prop, pass_store_copy_prop): Declare.
10040         * tree-ssa-dom.c (struct opt_stats_d): Add fields
10041         'num_const_prop' and 'num_copy_prop'.
10042         (cprop_operand): Update them.
10043         (dump_dominator_optimization_stats): Dump them.
10044         (tree_ssa_dominator_optimize): Call update_ssa instead of
10045         rewrite_into_ssa.
10046         (loop_depth_of_name): Declare extern.
10047         (simplify_cond_and_lookup_avail_expr): Guard against NULL
10048         values for LOW or HIGH.
10049         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
10050         (record_equivalences_from_stmt): Call expr_computes_nonzero.
10051         (cprop_operand): Only propagate if VAL != OP.
10052         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
10053         statement for renaming.
10054         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
10055         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
10056         add_type_alias if necessary.
10057         Call mark_new_vars_to_rename.
10058         (tree_ssa_iv_optimize): If new symbols need to be renamed,
10059         mark every statement updated, call update_ssa and
10060         rewrite_into_loop_closed_ssa.
10061         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
10062         from LIVEIN if VAR is a virtual.
10063         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
10064         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
10065         (get_call_expr_operands): Reformat statement.
10066         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
10067         symbols.
10068         * tree-ssa-propagate.c (ssa_prop_init): Initialize
10069         SSA_NAME_VALUE for every name.
10070         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
10071         get_value_loaded_by): New.
10072         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
10073         substitute_and_fold): Move from tree-ssa-ccp.c.
10074         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
10075         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
10076         get_value_loaded_by, replace_uses_in, substitute_and_fold):
10077         Declare.
10078         * tree-ssa.c (verify_use): Fix error message.
10079         (propagate_into_addr, replace_immediate_uses, get_eq_name,
10080         check_phi_redundancy, kill_redundant_phi_nodes,
10081         pass_redundant_phi): Remove.  Update all users.
10082         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
10083         add_type_alias, if necessary.
10084         * tree-vectorizer.h (struct _stmt_vect_info): Update
10085         documentation for field 'memtag'.
10086         * tree-vrp.c: New file.
10087         * tree.def (ASSERT_EXPR): Define.
10088         * tree.h (ASSERT_EXPR_VAR): Define.
10089         (ASSERT_EXPR_COND): Define.
10090         (SSA_NAME_VALUE_RANGE): Define.
10091         (struct tree_ssa_name): Add field 'value_range'.
10092         (PHI_REWRITTEN): Remove.
10093         (struct tree_phi_node): Remove field 'rewritten'.
10094         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
10095         -ftree-store-copy-prop): Document.
10096         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
10097         Document usage of update_ssa.
10098
10099 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
10100
10101         PR target/20814
10102         * config/rs6000/predicates.md (altivec_register_operand): Accept
10103         SUBREG.
10104         (and64_operand): Do not limit CONST_INT to mask64_operand.
10105         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
10106         (and_operand): Do not limit CONST_INT to mask_operand.
10107
10108 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
10109
10110         PR rtl-optimization/20466
10111         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
10112         for overlap of the address of each list member.
10113         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
10114
10115 2005-04-08  Mike Stump  <mrs@apple.com>
10116
10117         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
10118
10119         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
10120         instead of 4.
10121
10122 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
10123
10124         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
10125
10126         * function.c (push_function_context_to): Don't set
10127         contains_functions.
10128         * function.h (function): Remove contains_functions.
10129         (current_function_contains_functions): Remove.
10130
10131         * function.h (function): Remove instrument_entry_exit.
10132         (current_function_instrument_entry_exit): Remove.
10133
10134         * function.h (nonlocal_labels): Remove.
10135
10136         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
10137
10138         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
10139         (check_attr_value, write_attr_get, write_expr_attr_cache,
10140         find_attr, make_internal_attr): Don't reference negative_ok or
10141         unsigned_p.
10142         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
10143         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
10144         (ATTR_STATIC): Adjust the value.
10145
10146         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
10147
10148 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
10149
10150         * config/s390/tpf.h (ASM_SPEC): Define.
10151
10152 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
10153
10154         * tree-flow.h: Remove the prototype for
10155         redirect_immediate_uses.
10156         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
10157
10158 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
10159
10160         * arm.c (arm_const_double_by_parts): New function.
10161         * arm-protos.h (arm_const_double_by_parts): Add prototype.
10162         * arm.md (define_split for 64-bit constants): Add another one.
10163
10164 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
10165
10166         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
10167
10168 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10169
10170         * system.h: Revert last change.
10171
10172 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
10173
10174         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
10175         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
10176         (TARGET_SWITCHES): Delete.
10177         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10178         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
10179         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
10180         * config/xtensa/xtensa.opt: New file.
10181
10182 2005-04-08  Ben Elliston  <bje@au.ibm.com>
10183
10184         * config/fp-bit.c: Include L_mul_tf in #endif comment.
10185         * config/fp-bit.h: Tidy comments.
10186
10187 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10188
10189         * system.h: Poison PARAMS.
10190
10191 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
10192
10193         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
10194         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
10195         (TARGET_SWITCHES): Delete.
10196         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
10197         * config/vax/vax.opt: New file.
10198
10199 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
10200
10201         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
10202
10203 2005-04-07  Ian Lance Taylor  <ian@airs.com>
10204
10205         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
10206         define.
10207         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
10208         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
10209         Likewise.
10210
10211 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
10212
10213         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
10214         all immediate uses in PHI nodes.
10215
10216 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
10217
10218         * arm.c (arm_const_double_inline_cost): Handle any constant by
10219         using gen_lowpart and gen_highpart_mode.
10220         (note_invalid_constants): All constants in an RTX with a constraint
10221         that permits memory are now pushed to the constant pool.
10222         (output_move_double): Delete code to handle reg to reg and
10223         constant to reg moves.
10224         (const_double_needs_minipool, output_mov_immediate): Delete.
10225         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
10226         CONST_INT and CONST_VECTOR.
10227         * arm.md (ANY64): New mode macro.
10228         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
10229         (movdf_soft_insn): Split reg-reg and const-reg moves.
10230         (split patterns for 64-bit constant and register moves): New.
10231         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
10232         (cirrus_movdf_hard_insn): Likewise.
10233         * fpa.md (movdf_fpa): Likewise.
10234         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
10235         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
10236         constraints.
10237         (movv2si_internal_2): Likewise.
10238         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
10239         (movdf_vfp): Likewise.
10240         * arm-protos.h (output_mov_immediate): Delete prototype.
10241
10242 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
10243
10244         PR target/20093
10245         * simplify-rtx.c (simplify_unary_operation_1): Check
10246         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
10247
10248 2005-04-06  James E Wilson  <wilson@specifixinc.com>
10249
10250         PR target/20717
10251         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
10252         ADDR_EXPR.
10253
10254 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
10255
10256         * coverage.h (GCOV_TYPE_NODE): Delete.
10257         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
10258         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
10259         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
10260         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
10261         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
10262
10263 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
10264
10265         PR other/20792
10266         * Makefile.in (gcc.pot): Remove options.c dependency.
10267         * optc-gen.awk: Don't quote help strings with N_().
10268
10269 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
10270
10271         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
10272         the function returns a pointer type.
10273
10274 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
10275
10276         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
10277         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
10278         * doc/invoke.texi: Documnet salias-max-implicit-fields.
10279         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
10280         explicit_uses members.
10281         (get_or_create_used_part_for): Initialize new fields.
10282         (fieldoff_compare): New function.
10283         (create_overlap_variables_for): Count number of fields, use
10284         heuristic to determine whether to create subvars for vars with
10285         only implicit uses.
10286         Sort the field list by offset and avoid creating duplicate SFT's.
10287
10288 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
10289
10290         * c.opt (-F): Remove trailing whitespace from help string.
10291         (-finput-charset): Use a tab to separate the switch name and help
10292         string.
10293         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
10294         (-ftree-vectorizer-verbose): Likewise.
10295
10296 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
10297
10298         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
10299         a PHI argument where a use occurs instead of all PHI arguments.
10300
10301 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
10302
10303         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
10304         scope.
10305
10306 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
10307
10308         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
10309         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
10310         config/bfin/bfin.h: Fix comment typos.
10311
10312 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
10313
10314         * doc/install.texi: Update the URL for Jacks.
10315         * doc/sourcebuild.texi: Likewise.
10316
10317 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
10318
10319         PR target/17245
10320         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
10321         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
10322
10323 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
10324
10325         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
10326
10327 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
10328
10329         * config/v850/v850-protos.h (override_options): Delete.
10330         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
10331         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
10332         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
10333         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
10334         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
10335         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
10336         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
10337         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
10338         (OVERRIDE_OPTIONS): Delete.
10339         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
10340         (small_memory_info): Remove the value field.
10341         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
10342         TARGET_NO_APP_REGS.
10343         * config/v850/v850.c (small_memory): Remove the value field.
10344         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10345         (override_options): Delete.
10346         (v850_handle_memory_option, v850_handle_option): New functions.
10347         * config/v850/v850.opt: New file.
10348
10349 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
10350
10351         * config.host: Add a section for generic hosts, and a subsection
10352         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
10353         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
10354         * config/host-darwin.h: New.
10355         * config/x-darwin: New.
10356         * config/i386/host-i386-darwin.c: New.
10357         * config/i386/x-darwin: New.
10358         * config/rs6000/host-darwin.c: Include host-darwin.h.
10359         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
10360         (darwin_rs6000_gt_pch_use_address): Likewise.
10361         * config/rs6000/x-darwin: Change name of .o built, update
10362         dependencies for changes to rs6000/host-darwin.c.
10363
10364 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10365
10366         PR target/17824
10367         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
10368
10369 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
10370
10371         * tree-vect-analyze.c (vect_analyze_loop_form): Call
10372         split_loop_exit_edge instead of loop_split_edge_with.
10373
10374 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
10375
10376         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
10377         UNSPEC_SET_VSCR): New constants, used throughout.
10378         (*andc3_v4sf): New.
10379         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
10380         Replace with...
10381         (altivec_vspltis<VI_char>): ... this pattern, using
10382         a QImode const_int_operand for the immediate.
10383         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
10384         define_expands.
10385
10386 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10387
10388         PR target/17822
10389         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
10390
10391 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
10392
10393         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
10394
10395 2005-04-06  Ben Elliston  <bje@au.ibm.com>
10396
10397         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
10398         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
10399         macros as living in "this file" and not gcc.h.
10400
10401 2005-04-06  Ben Elliston  <bje@au.ibm.com>
10402
10403         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
10404         -ftree-live_range_split.  Perhaps renamed at some point?
10405
10406 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
10407
10408         PR target/20625
10409         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
10410         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
10411
10412 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
10413
10414         * tree-flow.h (number_of_iterations_cond): Declaration removed.
10415         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
10416         (number_of_iterations_special): New function.
10417         (number_of_iterations_exit): Use number_of_iterations_special.
10418         Use simplify_using_outer_evolutions only at -O3.
10419         (number_of_iterations_cond, tree_simplify_using_condition,
10420         simplify_using_initial_conditions, loop_niter_by_eval,
10421         compare_trees, can_count_iv_in_wider_type_bound,
10422         simplify_using_outer_evolutions): Use fold_build.
10423
10424 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
10425
10426         * doc/install.texi (Configuration): Document --with-java-home.
10427
10428 2005-04-05  Richard Henderson  <rth@redhat.com>
10429
10430         PR target/20342
10431         PR target/20447
10432         * config/i386/i386.c (print_operand): Handle vector zeros.
10433         (ix86_split_to_parts): Handle CONST_VECTOR.
10434         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
10435         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
10436         what modes to tie for MMX and SSE registers.
10437         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
10438         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
10439         to vector modes as well.
10440         * config/i386/predicates.md (const0_operand): Handle VOIDmode
10441         properly as an input mode.
10442
10443 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10444
10445         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
10446
10447 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10448
10449         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
10450
10451 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
10452
10453         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
10454         and local functions, set sse_nregs to 8 and float_in_sse.
10455         (function_arg_advance, function_arg): If float_in_sse, pass
10456         SFmode and DFmode arguments in SSE registers.
10457         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
10458
10459         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
10460         of -funit-at-a-time.
10461
10462 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
10463
10464         * config/i386/i386-protos.h (ix86_function_value): Accept two
10465         arguments, like the target macro.
10466         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
10467         * config/i386/i386.c (ix86_function_value): Accept the second
10468         argument of the target macro.
10469         (ix86_function_ok_for_sibcall): Pass a function pointer to
10470         ix86_function_value.
10471         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
10472         call to ix86_value_regno).
10473         (ix86_value_regno): Add support for returning floating point values
10474         in SSE registers.
10475
10476 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
10477
10478         PR tree-optimization/20076
10479         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
10480         that call __builtin_return or __builtin_apply_args.
10481
10482 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10483
10484         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
10485         Use immediate use iterator.
10486         (stmt_is_bumper_for_loop): Use immediate use iterator.
10487         * predict.c (strip_builtin_expect): Use update_stmt.
10488         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
10489         on all elements of a STATEMENT_LIST.
10490         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
10491         (bsi_remove): Remove imm_use links and mark the stmt as modified.
10492         (bsi_replace): Mark stmt as modified and the update it.
10493         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
10494         (expand_complex_libcal): Call update_stmt.
10495         (expand_complex_comparison): Call mark_stmt_modified.
10496         (expand_complex_operations_1): Call update_stmt_if_modified.
10497         (expand_vector_operations_1): Call mark_stmt_modified.
10498         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
10499         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
10500         add_immediate_use, redirect_immediate_use,
10501         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
10502         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
10503         (mark_new_vars_to_rename): Call update_stmt.
10504         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
10505         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
10506         Ignore PHI nodes.
10507         (unmodify_stmt): Delete.
10508         (update_stmt): New.  Force an update of a stmt.
10509         (update_stmt_if_modified): update a stmt if it is out of date.
10510         (get_stmt_operands): Verify stmt is NOT modified.
10511         (stmt_modified_p): Update comment.
10512         (delink_imm_use): Remove a use node from its immuse list.
10513         (link_imm_use_to_list): Link a use node to a specific list.
10514         (link_imm_use): Link a node to the correct list.
10515         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
10516         it in the correct list, if appropriate.
10517         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
10518         (relink_imm_use): Link a use node in place of another node in a list.
10519         (relink_imm_use_stmt): LInk a node in place of another node, and set
10520         the stmt pointer.
10521         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
10522         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
10523         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
10524         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
10525         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
10526         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
10527         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
10528         (has_zero_uses): New.  Return true if there are no uses of a var.
10529         (has_single_use): New.  Return true if there is only a single use of a
10530         variable.
10531         (single_imm_use): New.  Return the simgle immediate use.
10532         (num_imm_uses): New.  Return the number of immediate uses.
10533         (get_v_must_def_ops): Use is now a pointer.
10534         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
10535         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
10536         the use node.
10537         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
10538         (delink_stmt_imm_use): Delink all immuses from a stmt.
10539         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
10540         * tree-flow.h (struct dataflow_d): Delete.
10541         (immediate_use_iterator_d): New.  Immediate use iterator struct.
10542         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
10543         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
10544         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
10545         iteration.
10546         (struct stmt_ann_d): Remove dataflow_t from struct.
10547         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
10548         (if_convertible_phi_p): Use FAST immuse iterator.
10549         (if_convertible_loop_p): Don't call compute_immediate_uses.
10550         (replace_phi_with_cond_modify_expr): Call update_stmt.
10551         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
10552         update_stmt_if_modified.
10553         (rewrite_all_into_ssa): Initialize ssa operands.
10554         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
10555         compute_immediate_uses.
10556         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
10557         ssa_property is available.
10558         (execute_one_pass):  Change parameters passed to execute_todo.
10559         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
10560         (remove_ssa_form): Call fini_ssa_operands.
10561         (insert_backedge_copies): Delete call to modify_stmt.
10562         * tree-phinodes.c (make_phi_node): Initialize use nodes.
10563         (release_phi_node): Delink any use nodes before releasing.
10564         (resize_phi_node): Relink any use nodes.
10565         (remove_phi_arg_num): Delink the use node.
10566         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
10567         (remove_all_phi_nodes_for): Release phi node first.
10568         * tree-pretty-print.c (dump_generic_node): Print stmt address.
10569         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
10570         (scalarize_use, scalarize_copy): Call update_stmt.
10571         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
10572         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
10573         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
10574         (ccp_initialize): Remove call to compute_immediate_uses.
10575         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
10576         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
10577         stmts.
10578         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
10579         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
10580         (eliminate_redundant_computations): Call mark_stmt_modified.
10581         (cprop_operand): Call mark_stmt_modified.
10582         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
10583         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
10584         (dse_optimize_stmt): Use new immuse interface.
10585         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
10586         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
10587         (substitute_single_use_vars): Use new immuse interface.
10588         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
10589         and compute_immediate_uses.
10590         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
10591         interface.
10592         (rewrite_mem_refs): Call update_stmt.
10593         (determine_lsm): Remove call to compute_imm_uses and free_df.
10594         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
10595         (try_unroll_loop_completely): Call update_stmt.
10596         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
10597         (rewrite_use_compare): Call update_stmt.
10598         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
10599         (rewrite_use) : Call update_stmt.
10600         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
10601         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
10602         update_stmt.
10603         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
10604         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
10605         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
10606         use nodes.
10607         (initialize_vuse_operand): New.  Initialize a vuse operand.
10608         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
10609         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
10610         (finalize_ssa_defs): Use stmt parameter.
10611         (correct_use_link): Ensure a use node is in the correct list, and has
10612         the correct stmt pointer.
10613         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
10614         finalize_ssa_v_must_defs): Also initialize use nodes.
10615         (finalize_ssa_stmt_operands): Pass extra stmt operands.
10616         (build_ssa_operands): Seperate parsing from final operand construction.
10617         (parse_ssa_operands): New.  Parse entry point for operand building.
10618         (swap_tree_operands): New.  Swap 2 tree operands.
10619         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
10620         operands.
10621         (get_expr_operands): Call swap_tree_operands when needed.
10622         (copy_virtual_operands): Use initialize routines for virtual use ops.
10623         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
10624         (verify_abort): New.  Issue imm_use error.
10625         (verify_imm_links): New Verify imm_use links for a var.
10626         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
10627         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
10628         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
10629         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
10630         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
10631         (NULL_USE_OPERAND_P) Define.
10632         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
10633         use node.
10634         (struct vuse_operand_type): New struct.
10635         (SET_USE): Call set_ssa_use_from_ptr.
10636         (USE_STMT): Define.
10637         (PHI_ARG_INDEX_FROM_USE): Define.
10638         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
10639         argument via SET_USE, not PHI_ARG_DEF_TREE.
10640         * tree-ssa-pre.c (eliminate): Call update_stmt.
10641         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
10642         call free_df.
10643         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
10644         (nearest_common_dominator_of_uses): Use imm_use iterator.
10645         (statement_sink_location): Use imm_use iterator and interface.
10646         (execute_sink_code): Don't call compute_immediate_uses or free-df.
10647         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
10648         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
10649         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
10650         (verify_ssa): Ensure no stmt is marked modify after optimization pass
10651         if new parameter is true.
10652         (init_tree_ssa): Don't initialize operand cache here.
10653         (delete_tree_ssa): Don't destroy operand cache here.
10654         (propagate_into_addr): Pass in a use pointer, return true if anything
10655         was changed.
10656         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
10657         (check_phi_redundancy): Use imm_use iterator.
10658         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
10659         free_df.
10660         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
10661         (release_ssa_name): Delink node and all elements in its imm_use list.
10662         * tree-tailcall.c (adjust_return_value): Call update_stmt.
10663         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
10664         * tree-vectorizer.c (need_imm_uses_for): Delete.
10665         (vectorize_loops): Dont call compute_immediate_uses or free_df.
10666         * tree.h (struct ssa_imm_use_d): Define.
10667         (SSA_NAME_IMM_USE_NODE): Define.
10668         (struct tree_ssa_name): Add imm_use node.
10669         (PHI_DF): Delete.
10670         (PHI_ARG_IMM_USE_NODE): Define.
10671         (struct phi_arg_d): Add imm_use node.
10672         (struct tree_phi_node): Remove struct dataflow_d element.
10673         (TDF_STMTADDR): Define.
10674
10675 2005-04-05  Dale Johannesen  <dalej@apple.com>
10676
10677         * doc/invoke.texi (Optimization Options):  Remove
10678         duplicate -fcse-follow-jumps.  Add -fweb.
10679         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
10680         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
10681
10682 2005-04-05  Per Bothner  <per@bothner.com>
10683
10684         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
10685         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
10686         (warn_uninit): Get EXPR_LOCUS from context now instead.
10687         This fixes a USE_MAPPED_LOCATION testsuite failure.
10688
10689         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
10690
10691 2005-04-05  Per Bothner  <per@bothner.com>
10692
10693         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
10694         of the artification 'return 0' in main() to BUILTINS_LOCATION.
10695         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
10696         before warning.
10697
10698 2004-04-05  Devang Patel  <dpatel@apple.com>
10699
10700         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
10701         (lhsr<mode>3): ... new name.
10702         (altivec_vsra<VI_char>): Rename to ..
10703         (ashr<mode>3): ... new name.
10704         * config/rs6000/rs6000.c (builtin_description): Rename shift
10705         operations.
10706
10707 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
10708
10709         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
10710         gen_lowpart_for_combine.
10711         * cse.c (gen_lowpart_if_possible): Move...
10712         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
10713         gen_lowpart_SUBREG.
10714         (gen_lowpart_no_emit_general): Use it.
10715
10716 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10717
10718         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
10719         overriding.
10720
10721 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
10722
10723         * system.h: Fix typo.
10724
10725 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10726
10727         * config/bfin/bfin-modes.def: New file.
10728         * config/bfin/bfin-protos.h: New file.
10729         * config/bfin/bfin.c: New file.
10730         * config/bfin/bfin.h: New file.
10731         * config/bfin/bfin.md: New file.
10732         * config/bfin/bfin.opt: New file.
10733         * config/bfin/crti.s: New file.
10734         * config/bfin/crtn.s: New file.
10735         * config/bfin/elf.h: New file.
10736         * config/bfin/lib1funcs.asm: New file.
10737         * config/bfin/predicates.md: New file.
10738         * config/bfin/t-bfin: New file.
10739         * config/bfin/t-bfin-elf: New file.
10740         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
10741         Document new attributes.
10742         (interrupt, interrupt_handler, saveall): Update documentation for
10743         these attributes.
10744         * doc/install.texi (Specific): Add entry for the Blackfin.
10745         * doc/invoke.texi (Blackfin Options): New section.
10746         * doc/md.texi (Blackfin family): New section to document constraints.
10747         * config.gcc: Add bfin*-* and bfin*-elf configurations.
10748
10749 2005-04-05  Olivier Hainque  <hainque@adacore.com>
10750
10751         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
10752         match what the system unwinder expects.
10753         * config/mips/mips.c (mips_frame_set): If we're saving the return
10754         address register and the dwarf return address column number differs
10755         from the hard register number, adjust the note reg to refer to the
10756         former.
10757
10758 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
10759
10760         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
10761         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
10762         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10763         (processor_type): New enum.
10764         (mn10300_processor): New variable.
10765         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
10766         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
10767         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10768         (PROCESSOR_DEFAULT): New macro.
10769         * config/mn10300/mn10300.c (mn10300_processor): New variable.
10770         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10771         (mn10300_handle_option, mn10300_override_options): New functions.
10772         * config/mn10300/mn10300.opt: New file.
10773
10774 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10775             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
10776
10777         PR tree-optimization/19903
10778         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
10779         that don't fit in their type after conversion.
10780
10781 2005-04-05  Uros Bizjak <uros@kss-loka.si>
10782
10783         PR target/20421
10784         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
10785         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
10786         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
10787         flag here. Implement using define_insn_and_split.
10788         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
10789         (frndintxf2_mask_pm_i387): New insn patterns.
10790         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
10791         Do not set ix86_optimize_mode_switching flag.
10792         (ceilsf2, ceildf2, ceilxf2): Same.
10793         (btruncsf2, btruncdf2, btruncxf2): Same.
10794         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
10795
10796 2005-04-05  Ian Lance Taylor  <ian@airs.com>
10797
10798         PR debug/9963
10799         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
10800         i386_pe_record_external_function.
10801         (i386_pe_record_external_function): Update declaration.
10802         * config/i386/winnt.c (struct extern_list): Add decl field.
10803         (i386_pe_record_external_function): Add decl parameter.
10804         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
10805         identifier.
10806         * config/i386/i386-protos.h (i386_pe_record_external_function):
10807         Update declaration.
10808
10809 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
10810
10811         * config/m68k/m68k-protos.h: Add a prototype for
10812         valid_dbcc_comparison_p_2.
10813         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
10814         extend_operator, const_uint32_operand, const_sint32_operand,
10815         general_src_operand, nonimmediate_src_operand,
10816         memory_src_operand, post_inc_operand, pre_dec_operand,
10817         pcrel_address): Move to predicates to predicates.md.
10818         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
10819         * config/m68k/m68k.md: Include predicates.md.
10820         * config/m68k/predicates.md: New.
10821
10822 2005-04-04  Roger Sayle  <roger@eyesopen.com>
10823
10824         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
10825
10826         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
10827
10828 2005-04-04  Ian Lance Taylor  <ian@airs.com>
10829
10830         * c-typeck.c (struct c_switch): Rename switch_stmt field to
10831         switch_expr.
10832         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
10833         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
10834         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
10835         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
10836         * c-common.c (c_do_switch_warnings_1): New static function broken
10837         out of c_do_switch_warnings.
10838         (c_do_switch_warnings): Call c_do_switch_warnings_1.
10839         (c_do_switch_expr_warnings): New function.
10840         * c-common.h (c_do_switch_expr_warnings): Declare.
10841
10842 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
10843             Daniel Jacobowitz  <dan@codesourcery.com>
10844
10845         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
10846         trapping divide.
10847         * rtlanal.c (may_trap_p): Same.
10848
10849 2005-04-04  Dale Johannesen  <dalej@apple.com>
10850
10851         * ChangeLog:  remove reference to ChangeLog.12.
10852
10853 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
10854
10855         CRIS epilogue as RTL.
10856         * config/cris/cris.md: Change all 0 in unspec 0 to
10857         CRIS_UNSPEC_PLT.
10858         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
10859         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
10860         patterns.
10861         ("return"): Change to define_expand.  Call cris_expand_return for
10862         actual expansion.
10863         ("*return_expanded"): New pattern.
10864         ("epilogue"): New define_expand.
10865         * config/cris/cris.h (PREDICATE_CODES): Add
10866         cris_load_multiple_op.
10867         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
10868         type.
10869         (enum cris_retinsn_type): New.
10870         (struct machine_function): New member return_type.
10871         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
10872         (cris_target_asm_function_epilogue): Remove, moving RTLified
10873         contents to...
10874         (cris_expand_epilogue): New function.
10875         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
10876         (cris_gen_movem_load, cris_load_multiple_op)
10877         (cris_return_address_on_stack_for_return, cris_expand_return): New
10878         functions.
10879         (cris_target_asm_function_prologue)
10880         (cris_initial_frame_pointer_offset): Call
10881         cris_reg_saved_in_regsave_area instead of complicated expression.
10882         Call cris_return_address_on_stack instead of an expression.
10883         (cris_print_operand) <case 'o', case 'O'>: New cases.
10884         (cris_return_address_on_stack): Change return-type to bool.
10885         (cris_simple_epilogue): Ditto.  Return false if registers are
10886         saved.
10887         * config/cris/cris-protos.h (cris_simple_epilogue)
10888         (cris_return_address_on_stack): Adjust prototype return type.
10889         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
10890         (cris_return_address_on_stack_for_return): New prototypes.
10891
10892 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10893
10894         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
10895         gpr_or_int12_operand.
10896
10897         * config/frv/frv-protos.h: Add a prototype to
10898         frv_legitimate_memory_operand and frv_const_unspec_p.
10899         (frv_unspec): Move from frv.c.
10900         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
10901         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
10902         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
10903         gpr_or_fpr_operand, gpr_or_int12_operand,
10904         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
10905         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
10906         int6_operand, int5_operand, uint5_operand, uint4_operand,
10907         uint1_operand, int_2word_operand, uint16_operand,
10908         upper_int16_operand, integer_register_operand,
10909         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
10910         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
10911         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
10912         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
10913         move_destination_operand, movcc_fp_destination_operand,
10914         frv_function_symbol_referenced_p, move_source_operand,
10915         condexec_dest_operand, condexec_source_operand,
10916         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
10917         const_unspec_operand, gpr_or_memory_operand,
10918         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
10919         icc_operand, fcc_operand, cc_operand, icr_operand,
10920         fcr_operand, cr_operand, call_operand, sibcall_operand,
10921         symbolic_operand, relational_operator,
10922         integer_relational_operator, float_relational_operator,
10923         ccr_eqne_operator, minmax_operator,
10924         condexec_si_binary_operator, condexec_si_media_operator,
10925         condexec_si_divide_operator, condexec_si_unary_operator,
10926         condexec_sf_conv_operator, condexec_sf_add_operator,
10927         condexec_memory_operand, intop_compare_operator, acc_operand,
10928         even_acc_operand, quad_acc_operand, accg_operand: Move to
10929         predicates.md.
10930         * config/frv/frv.h (PREDICATE_CODES): Remove.
10931         * config/frv/frv.md: Include predicates.md.
10932         * config/frv/predicates.md: New.
10933
10934 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10935
10936         PR target/19537
10937         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
10938         * tree-ssa-loop-ivopts.c: Include langhooks.h.
10939         (add_standard_iv_candidates_for_size): New function, extracting code
10940         from add_standard_iv_candidates and parameterizing it by type size.
10941         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
10942
10943 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10944
10945         * system.h (GCOV_SIZE_TYPE): Unposion.
10946         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
10947         (GCOV_TYPE_SIZE): ...this new macro.
10948         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
10949         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
10950         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
10951         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
10952         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
10953         instead of unsigned_intSI_type_node.
10954         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
10955         (rtl_gen_one_value_profiler_no_edge_manipulation)
10956         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
10957         * value-prof.c: Include coverage.h.
10958
10959 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
10960             Diego Novillo <dnovillo@redhat.com>
10961
10962         Fix PR tree-optimization/20703
10963         Fix PR tree-optimization/20725
10964
10965         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
10966         (create_expression_by_pieces): Ditto.
10967         (valid_in_set): Ditto. Also handle tcc_declaration.
10968         (find_or_generate_expression): Handle comparison class.
10969         (insert_into_preds_of_block): Ditto.
10970         (insert_aux): Ditto.
10971         (create_value_expr_from): Handle comparison class, recursively
10972         handle reference nodes.
10973         (compute_avail): Handle comparison classes, rewrite a little cleaner.
10974         (execute_pre): Fix spacing.
10975         (do_fre): Renamed to execute_fre.
10976
10977 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10978
10979         * doc/invoke.texi (SPARC options): Document that
10980         -mlittle-endian is not supported on Linux either.
10981
10982 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10983
10984         PR target/4198
10985         PR target/12027
10986         * config.gcc (Obsolete configurations): Remove
10987         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
10988         (sparclite-*-coff*): Delete.
10989         (sparclite-*-elf*): Likewise.
10990         (sparc86x-*-elf*): Likewise.
10991         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
10992         * config/sparc/lite.h: Delete.
10993         * config/sparc/litecoff.h: Likewise.
10994         * config/sparc/liteelf.h: Likewise.
10995         * config/sparc/sp86x-elf.h: Likewise.
10996         * config/sparc/t-sparclite: Likewise.
10997         * config/sparc/t-sp86x: Likewise.
10998
10999 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
11000
11001         * config/s390/s390-protos.h: (s390_comparison,
11002         s390_alc_comparison, s390_slb_comparison, const0_operand,
11003         consttable_operand, larl_operand, s_operand,
11004         shift_count_operand, bras_sym_operand, load_multiple_operation,
11005         store_multiple_operation, s390_plus_operand): Remove prototypes.
11006         (s390_legitimate_address_without_index_p): New prototype.
11007         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
11008         to s390.h.
11009         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
11010         const0_operand, consttable_operand, larl_operand, s_operand,
11011         shift_count_operand, bras_sym_operand, load_multiple_operation,
11012         store_multiple_operation, s390_plus_operand): Move to
11013         predicates.md.
11014         (check_mode): Remove.
11015         (s390_branch_condition_mask): Remove 'static'. Move prototype to
11016         s390-protos.h.
11017         (s390_legitimate_address_without_index_p): New.
11018         * config/s390/s390.h (PREDICATE_CODES): Remove.
11019         * config/s390/s390.md: Include predicates.md.
11020         * config/s390/predicates.md: New.
11021
11022 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11023
11024         PR target/20446
11025         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
11026         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
11027         (NEED_INDICATE_EXEC_STACK): Define to 1.
11028         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
11029         (NEED_INDICATE_EXEC_STACK): Define to 1.
11030         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
11031         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
11032         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
11033         (pic_helper_emitted_p): New global.
11034         (emit_pic_helper): New function extracted from...
11035         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
11036         Do not call emit_pic_helper if delay_pic_helper is true.
11037         (sparc_expand_prologue): Pass 'false' to load_pic_register.
11038         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
11039         (sparc_file_end): New function.
11040
11041 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
11042
11043         * config/mcore/mcore-protos.h: Remove the prototypes for
11044         mcore_arith_reg_operand, mcore_general_movsrc_operand,
11045         mcore_general_movdst_operand, mcore_reload_operand,
11046         mcore_arith_J_operand, mcore_arith_K_operand,
11047         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
11048         mcore_arith_K_S_operand, mcore_arith_imm_operand,
11049         mcore_arith_any_imm_operand, mcore_arith_O_operand,
11050         mcore_literal_K_operand, mcore_addsub_operand,
11051         mcore_compare_operand, mcore_load_multiple_operation,
11052         mcore_store_multiple_operation, mcore_call_address_operand.
11053         Add a prototype for const_ok_for_mcore.
11054         * config/mcore/mcore.c (mcore_call_address_operand,
11055         mcore_general_movsrc_operand, mcore_general_movdst_operand,
11056         mcore_arith_reg_operand, mcore_reload_operand,
11057         mcore_arith_J_operand, mcore_arith_K_operand,
11058         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
11059         mcore_arith_M_operand, mcore_arith_imm_operand,
11060         mcore_arith_any_imm_operand, mcore_arith_O_operand,
11061         mcore_literal_K_operand, mcore_addsub_operand,
11062         mcore_compare_operand, mcore_load_multiple_operation,
11063         mcore_store_multiple_operation): Move to predicates.md.
11064         (const_ok_for_mcore): Export.
11065         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
11066         * config/mcore/mcore.md: Include predicates.md.
11067         * config/mcore/predicates.md: New.
11068
11069         * config/mcore/predicates.md: Fix a comment typo.
11070
11071 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
11072             Adrian Straetling  <straetling@de.ibm.com>
11073
11074         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
11075         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
11076         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
11077         attribute.
11078         ("imul"): Removed from "type" attribute.
11079         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
11080         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
11081         Changed type to imulsi.
11082         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
11083
11084 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
11085
11086         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
11087         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
11088         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
11089         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
11090         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
11091         (TARGET_SWITCHES, mcore_stack_increment_string)
11092         (TARGET_OPTIONS): Delete.
11093         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
11094         than *_BIT constants.
11095         (TARGET_8ALIGN): #undef old definition before redefining to 1.
11096         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
11097         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
11098         (mcore_override_options): Delete mcore_stack_increment code.
11099         Change use of M340_BIT to MASK_M340.
11100         * config/mcore/mcore.opt: New file.
11101
11102 2005-04-04  Ian Lance Taylor  <ian@airs.com>
11103
11104         * config/arm/arm.c (replace_symbols_in_block): Remove static
11105         function.
11106
11107 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
11108
11109         * config/fr30/fr30-protos.h: Remove the prototypes for
11110         stack_add_operand, add_immediate_operand,
11111         high_register_operand, low_register_operand, call_operand,
11112         di_operand, and nonimmediate_di_operand.
11113         * config/fr30/fr30.c (stack_add_operand,
11114         add_immediate_operand, high_register_operand,
11115         low_register_operand, call_operand, di_operand,
11116         nonimmediate_di_operand): Move to predicates.md.
11117         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
11118         * config/fr30/fr30.md: Include predicates.md.
11119         * config/fr30/predicates.md: New.
11120
11121         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
11122         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
11123         mcore_call_address_operand.
11124
11125         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
11126         general_movsrc_operand.
11127
11128 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
11129
11130         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
11131         after freeing.
11132
11133 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
11134
11135         PR target/14812
11136         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
11137         a negated value.
11138
11139 2005-04-04  Richard Henderson  <rth@redhat.com>
11140             Jakub Jelinek  <jakub@redhat.com>
11141
11142         PR rtl-optimization/16104
11143         * fold-const.c (fold_unary): Fix folding of vector conversions.
11144
11145 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
11146
11147         * config.gcc (xstormy16-*-elf): Set extra_options.
11148         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
11149         * config/stormy16/stormy16.opt: New file.
11150
11151 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
11152
11153         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
11154         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
11155         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
11156         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
11157         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
11158         (TARGET_UNIX_ASM): Delete.
11159         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
11160         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
11161         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
11162         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11163         * config/pdp11/pdp11.opt: New file.
11164
11165 2005-04-03  Roger Sayle  <roger@eyesopen.com>
11166             Alexandre Oliva  <aoliva@redhat.com>
11167
11168         PR c++/19199
11169         * fold-const.c (non_lvalue): Split tests into...
11170         (maybe_lvalue_p): New function.
11171         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
11172         C++ front-end prior to lowering into gimple form.
11173
11174 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11175
11176         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
11177         BUILT_IN_STRNCASECMP): New.
11178         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
11179         and strndup.
11180
11181 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
11182
11183         PR target/14812
11184         * arm.md (addsi3_compare0_for_combiner): Delete.
11185         (addsi3_compare0_scratch_for_combiner): Delete.
11186         (cmpsi_neg_shiftsi): Delete.
11187         (compare_negsi_si): New pattern.
11188         (cmpsi_negshiftsi_si): New pattern.
11189         (negated_cbranchsi4): Restrict to equality_operator.
11190
11191         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
11192         template.
11193
11194 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
11195
11196         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
11197         Fix comment typos.
11198
11199         * doc/install.texi: Fix a typo.
11200
11201 2005-04-03  Steven Bosscher  <stevenb@suse.de>
11202
11203         PR middle-end/20648
11204         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
11205         a computed goto if the edge to the computed goto block has
11206         incoming abnormal edges.  Clarify how the function works.
11207
11208 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
11209
11210         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
11211         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
11212         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
11213         hash_scan_set, reg_set_between_after_reload_p,
11214         reg_used_between_after_reload_p, get_avail_load_store_reg,
11215         eliminate_partially_redundant_load): Likewise.
11216         * postreload.c (reload_cse_simplify_set,
11217         reload_combine_note_use): Likewise.
11218         * predict.c (predict_insn, expected_value_to_br_prob,
11219         propagate_freq, expensive_function_p): Likewise.
11220         * print-rtl.c (print_rtx): Likewise.
11221         * profile.c (instrument_edges, instrument_values,
11222         compute_branch_probabilities, branch_prob, union_groups,
11223         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
11224         * protoize.c (in_system_include_dir, file_could_be_converted,
11225         file_normally_convertible, gen_aux_info_file, seek_to_line,
11226         do_cleaning): Likewise.
11227         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
11228         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
11229         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
11230
11231 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
11232
11233         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
11234         * modulo-sched.c (undo_replace_buff_elem): New structure.
11235         (kernel_number_of_cycles, ps_unschedule_node,
11236         undo_generate_reg_moves,free_undo_replace_buff,
11237         undo_permute_partial_schedule,  loop_single_full_bb_p,
11238         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
11239         build_loops_structure, get_sched_window): New.
11240         (generate_reg_moves): Return undo_replace_buff_elem and other
11241         fixes.
11242         (generate_prolog_epilog): Remove old loop versioning.
11243         (sms_schedule): Use loop information and loop_version.
11244         (sms_schedule_by_order): Split part of it to get_sched_window.
11245         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
11246         cfg_layout_finalize and free_dominance_info before/after SMS.
11247
11248 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
11249
11250         * cfghooks.c (lv_flush_pending_stmts,
11251         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
11252         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
11253         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
11254         lv_add_condition_to_bb,
11255         lv_adjust_loop_header_phi, extract_cond_bb_edges,
11256         flush_pending_stmts): New in cfg_hooks structure.
11257         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
11258         extract_cond_bb_edges, lv_adjust_loop_header_phi,
11259         lv_add_condition_to_bb): New declarations.
11260         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
11261         bool.
11262         (loop_version): Declare.
11263         * cfgloopmanip.c (cfghooks.h): Include.
11264         (duplicate_loop_to_header_edge): Change return type to bool.
11265         (loop_version, lv_adjust_loop_entry_edge): Move here.
11266         * cfgrtl.c (cfgloop.h): Include.
11267         (rtl_verify_flow_info_1): Fix.
11268         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
11269         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
11270         initialization.
11271         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
11272         tree_lv_add_condition_to_bb): New.
11273         (tree_cfg_hooks): Add new hooks to initialization.
11274         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
11275         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
11276
11277 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
11278
11279         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
11280         xstormy16_below100_or_register,
11281         xstormy16_splittable_below100_or_register, and
11282         nonimmediate_nonstack_operand.
11283
11284         * config/stormy16/stormy16-protos.h: Remove the prototypes for
11285         xstormy16_ineqsi_operator, equality_operator,
11286         inequality_operator, shift_operator,
11287         xstormy16_below100_operand, xstormy16_below100_or_register,
11288         xstormy16_splittable_below100_or_register,
11289         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
11290         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
11291         equality_operator, inequality_operator,
11292         xstormy16_below100_operand, xstormy16_below100_or_register,
11293         xstormy16_splittable_below100_or_register,
11294         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
11295         nonimmediate_nonstack_operand, shift_operator): Move to
11296         predicates.md.
11297         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
11298         * config/stormy16/stormy16.md: Include predicates.md.
11299         * config/stormy16/predicates.md: New.
11300
11301 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
11302
11303         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
11304         small_int, large_int, reg_or_0_operand, simple_memory_operand,
11305         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
11306         move_operand, power_of_2_operand): Move to predicates.md.
11307         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
11308         PREDICATE_CODE): Remove.
11309         * config/iq2000/iq2000.md: Include predicates.md.
11310         * config/iq2000/predicates.md: New.
11311
11312 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
11313
11314         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
11315         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
11316         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
11317         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
11318         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
11319         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
11320         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
11321         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
11322         (TARGET_M68HC11): Delete.
11323         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
11324         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
11325         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
11326         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
11327         (nb_soft_regs): Delete.
11328         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
11329         (m68hc11_override_options): Remove the code that caters for MASK_M6811
11330         and MASK_M6812 being set simultaneously.  Change the code that sets
11331         the default m68hc11_soft_reg_count to use integers instead of strings.
11332         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
11333         m68hc11_soft_reg_count (which now has an int type) as the number
11334         of soft registers.
11335         * config/m68hc11/m68hc11.opt: New file.
11336
11337 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
11338
11339         * config/fr30/fr30.h (PREDICATE_CODES): Remove
11340         fp_displacement_operand, sp_displacement_operand.
11341
11342         * config/m68hc11/m68hc11-protos.h: Add a prototype for
11343         m68hcc_auto_inc_p.
11344         Remove the prototypes for tst_operand, cmp_operand,
11345         stack_register_operand, d_register_operand,
11346         hard_addr_reg_operand, splitable_operand,
11347         m68hc11_logical_operator, m68hc11_arith_operator,
11348         m68hc11_non_shift_operator, m68hc11_shift_operator,
11349         m68hc11_unary_operator, m68hc11_eq_compare_operator,
11350         non_push_operand, hard_reg_operand, and
11351         reg_or_some_mem_operand.
11352         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
11353         extern.
11354         (tst_operand, cmp_operand, non_push_operand,
11355         splitable_operand, reg_or_some_mem_operand,
11356         stack_register_operand, d_register_operand,
11357         hard_addr_reg_operand, hard_reg_operand,
11358         m68hc11_eq_compare_operator, m68hc11_logical_operator,
11359         m68hc11_arith_operator, m68hc11_non_shift_operator,
11360         m68hc11_shift_operator, m68hc11_unary_operator): Move to
11361         predicates.md.
11362         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
11363         * config/m68hc11/m68hc11.md: Include predicates.md.
11364         * config/m68hc11/predicates.md: New.
11365
11366 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11367
11368         PR debug/19345
11369         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
11370         change checked in along with 2005-03-03's patch for debug/20253.
11371         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
11372         (remap_decl): Insert type decl in map earlier.
11373
11374 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11375
11376         PR tree-optimization/20640
11377         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
11378         post-dominator if it has phi nodes.
11379         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
11380         before dead statements.
11381
11382 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11383
11384         PR middle-end/20491
11385         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
11386
11387 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11388
11389         PR rtl-optimization/20290
11390         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
11391         in every iteration if the entry point is the exit test.
11392
11393 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
11394
11395         * config/cris/cris.md (attribute "length"): Define.
11396
11397 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
11398
11399         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
11400         (word_offset_memref_operand): New.
11401         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
11402         (indexed_or_indirect_operand): Delete.
11403         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
11404         (indexed_or_indirect_operand): Delete.
11405
11406         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
11407
11408         PR 20650
11409         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
11410         a register.
11411
11412         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
11413         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
11414
11415 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
11416
11417         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
11418
11419 2005-04-01  Ian Lance Taylor  <ian@airs.com>
11420
11421         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
11422         (rus, prus): Remove static variables.
11423         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
11424         (process_command): Permit report_times and use_pipes together.
11425
11426 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
11427
11428         * c-decl.c (validate_proto_after_old_defn): Look at
11429         TYPE_MAIN_VARIANT of argument types.
11430
11431 2005-04-01  Paul Brook  <paul@codesourcery.com>
11432
11433         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
11434         (arm_output_function_epilogue): Allow call_via_SP.
11435         (thumb_call_via_reg, arm_file_end): Ditto.
11436         * config/arm/arm.h (struct machine_function): Include space for SP.
11437         (thumb_call_via_label): Update declaration.
11438
11439 2005-04-01  Ian Lance Taylor  <ian@airs.com>
11440
11441         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
11442         doing a peephole optimization, once again put any notes in the
11443         proper position.
11444
11445 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11446
11447         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
11448
11449 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
11450
11451         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
11452         (block_alloc, find_free_reg): Likewise.
11453         * loop-doloop.c (doloop_modify): Likewise.
11454         * loop-invariant.c (record_use): Likewise.
11455         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
11456         get_iv_value, canon_condition, eliminate_implied_condition,
11457         eliminate_implied_condition, simplify_using_initial_values,
11458         shorten_into_mode, canonicalize_iv_subregs,
11459         iv_number_of_iterations): Likewise.
11460         * loop-unroll.c (expand_var_during_unrolling): Likewise.
11461         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
11462         unswitch_loop): Likewise.
11463         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
11464         move_movables, replace_call_address, find_and_verify_loops,
11465         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
11466         record_giv, final_giv_value, general_induction_var,
11467         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
11468         loop_giv_dump): Likewise.
11469
11470         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
11471         GCOV_CHECK_WRITING): Remove.
11472         (gcov_position, gcov_rewrite): Use gcc_assert.
11473         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
11474         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
11475         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
11476         gcc_assert.
11477
11478 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11479
11480         * tree-inline.c: Fix a typo.
11481
11482 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
11483
11484         * configure.ac (enable-checking): Explicitly set all variables for
11485         collective switch values.  Alphabetize variables. Rename
11486         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
11487         synonym for 'no'.
11488         * doc/install.texi (enable-checking): Update documentation.
11489         * configure: Rebuilt.
11490
11491 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11492
11493         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
11494         possible.
11495
11496 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
11497
11498         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
11499         Also reject cases where this pattern will cause load delay stalls
11500         unless optimizing for size and it will produce a shorter sequence.
11501         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
11502         variants to avoid pre-adjusting the base when possible.
11503
11504 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
11505
11506         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
11507         the frame and argument pointers.
11508         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
11509         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
11510         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
11511         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
11512         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
11513         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
11514
11515 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
11516
11517         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
11518         with entry for selectany attribute.
11519         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
11520         Declare.
11521         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
11522         (i386_pe_asm_named_section): Handle sections generated by
11523         selectany attribute.
11524         * doc/extend.texi (selectany): Document attribute.
11525
11526 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
11527             Jan Hubicka  <jh@suse.cz>
11528
11529         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
11530         to fix addresses involving EBP and ESP.
11531         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
11532         for SUBREGed registers.
11533         (legitimate_address_p): Accept SUBREGed registers.
11534
11535 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
11536
11537         PR c++/19406
11538         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
11539         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
11540         for FIELD_DECLs.
11541
11542 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11543
11544         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
11545
11546 2005-04-01  James E Wilson  <wilson@specifixinc.com>
11547
11548         PR c++/20505
11549         * dwarf2out.c (rtl_for_decl_init): New function.
11550         (rtl_for_decl_location): Extracted from here.
11551         (tree_add_const_value_attribute): Call rtl_for_decl_init and
11552         add_const_value_attribute.  Delete initializer_constant_valid_p call.
11553
11554 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11555
11556         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
11557         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
11558         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
11559         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
11560         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
11561         config/i386/i386.md, config/rs6000/predicates.md,
11562         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
11563         config/s390/s390.c, config/stormy16/stormy16.c,
11564         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
11565         typos.
11566
11567 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
11568
11569         PR c/17855
11570         * gimplify.c (gimplify_expr): Create a temporary for lvalue
11571         COND_EXPR and CALL_EXPR.
11572
11573 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
11574
11575         PR target/20632
11576         * genautomata.c (first_cycle_unit_presence): Check all alternative
11577         states for unit presence.
11578
11579         * doc/md.texi: Remove remark about impossibility to query unit
11580         presence in non nondeterministic automaton state.
11581
11582         * config/ia64/ia64.c (get_template): Change order of unit querying.
11583
11584 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11585
11586         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
11587         obsolete comment.
11588
11589 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
11590
11591         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
11592         flag for edges outside any loops.
11593
11594 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
11595
11596         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
11597
11598 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11599
11600         * tree-ssa-alias.c: Follow spelling conventions.
11601         * doc/tree-ssa.texi: Fix a typo.
11602
11603 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
11604
11605         * postreload-gcse.c: Include target.h.
11606         (gcse_after_reload_main): Return early if we cannot modify jumps.
11607         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
11608
11609 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
11610
11611         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
11612         expensive operations.
11613
11614 2005-03-31  Ian Lance Taylor  <ian@airs.com>
11615
11616         * collect2.c (lderrout): New variable.
11617         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
11618         if it is set, to stderr.
11619         (handler): Unlink lderrout if it is set.
11620         (dump_file): Add "to" parameter.  Change all callers.
11621         (main): Initialize lderrout.
11622         (collect_execute): Add errname parameter.  Change all callers.
11623         Rename redir parameter to outname.  Never pass
11624         PEX_STDERR_TO_STDOUT to pex_run.
11625         * collect2.h (collect_execute, dump_file): Update declarations.
11626         * tlink.c (tlink_execute): Add errname parameter.  Change all
11627         callers.
11628         (do_tlink): Check lderrout as well as ldout.
11629
11630 2005-03-31  Caroline Tice  <ctice@apple.com>
11631
11632         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
11633         (bb-reorder.o): Add errors.h to list of requirements.
11634         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
11635         profiledbootstrap flags.
11636         * bb-reorder.c (errors.h): Add new include.
11637         (struct bbro_basic_block_data_def): Add new field, in_trace.
11638         (add_unlikely_executed_notes):  Remove function.
11639         (mark_bb_for_unlikely_executed_section): Remove function.
11640         (insert_section_boundary_note): New function.
11641         (verify_hot_cold_block_grouping): New function.
11642         (push_to_next_round_p): Remove variables and tests that push all
11643         cold blocks to last round.
11644         (find_traces): Remove code that added extra round of trace finding
11645         when doing partitioning.
11646         (find_traces_1_round) :  Remove variable last_round;  add code to
11647         update new struct field, in_trace; correct trace_length where it was
11648         incorrect before (after call to copy_bb); change code that pushed all
11649         cold blocks to last round. Instead verify that all blocks going into
11650         a trace belong in the same partition.
11651         (connect_traces): Modify to connect the traces in two passes, if the
11652         function contains both hot and cold blocks.  The first pass connects
11653         all the traces for blocks in the partition that the first block in
11654         the function belongs to; the second pass connnects all the traces
11655         containing blocks that belong in the other partition.
11656         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
11657         code that automatically put the first block in a function into the
11658         hot partition if the function had any hot blocks.
11659         (fix_crossing_unconditional_branches): Check number of succ edges
11660         before attempting to get one.
11661         (fix_edges_for_rarely_executed_code):  Update comment describing
11662         function.
11663         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
11664         remove call to add_unlikely_executed_notes; add call to
11665         verify_hot_cold_block_grouping.
11666         (duplicate_computed_gotos): Don't change computed goto if it's a
11667         crossing edge.
11668         (partition_hot_cold_basic_blocks):  Update function comment.
11669         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
11670         condition.
11671         (try_forward_edges): Likewise.
11672         (merge_blocks_move_predecessor_nojumps): Likewise.
11673         (merge_blocks_move_successor_nojumps): Likewise.
11674         (merge_blocks_move): Likewise.
11675         (try_crossjump_bb): Likewise.
11676         * cfglayout.c (update_unlikely_executed_notes): Remove function.
11677         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
11678         notes to cold bb's; remove call to update_unlikely_executed_notes.
11679         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
11680         NOTE_INSN_SWITCH_TEXT_SECTIONS.
11681         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
11682         function declaration.
11683         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
11684         from consideration.
11685         (rtl_can_merge_blocks): Remove redundancy from condition.
11686         (try_redirect_by_replacing_jump): Likewise.
11687         (force_nonfallthru_and_redirect): Remove code for adding
11688         UNLIKELY_EXECUTED_CODE notes to cold bb's.
11689         (commit_one_edge_insertion): Likewise.
11690         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
11691         * dbxout.c (FORCE_TEXT): Replace function_section with
11692         current_function_section.
11693         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
11694         function, switch_text_section.
11695         (struct xcoff_debug): Likewise.
11696         (dbxout_function_end): Add code to put out label diffs for both
11697         hot and cold sections.
11698         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
11699         for new debug_hooks funciton, switch_text_section..
11700         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
11701         switch_text_section.
11702         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
11703         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
11704         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
11705         dw_fde_switched_sections.
11706         (output_call_frame_info):  Add test to see if function switches text
11707         sections in the middle; if so, use appropriate extra hot and cold
11708         section labels to compute size deltas for the hot and cold sections.
11709         (dwarf2out_begin_prologue): Add code to initialize new fields in
11710         dw_fde_struct.
11711         (dwarf2out_switch_text_section): New function (invoked through
11712         debug_hook); updates new fields in dw_fde_struct appropriately and
11713         increments separate_line_info_table_in_use.
11714         (dwarf2_debug_hooks): Initialize switch_text_section function to be
11715         dwarf2out_switch_text_section.
11716         (struct var_loc_node): Add new field, section_label.
11717         (output_aranges): Add code to check whether in hot or cold section and
11718         use the appropriate label in calculating deltas.
11719         (output_ranges): Likewise.
11720         (output_line_info): Add code to check which section we're in and
11721         use appropriate hot/cold label.
11722         (add_location_or_constant_value_attribute): Likewise.
11723         (gen_subprogam_die): Modify arange attributes to use correct labels.
11724         (dwarf2out_begin_block): Change call to function_section into call to
11725         current_function_section.
11726         (dwarf2out_end_block): Likewise.
11727         (dwarf2out_source_line): Likewise.
11728         (dwarf2out_var_location): Add code to check whether in hot or cold
11729         section and use the appropriate label.
11730         * except.c (output_function_exception_table): Change call to
11731         function_section into call to current_function_section.
11732         * final.c (profile_function): Likewise.
11733         (scan_ahead_for_unlikely_executed_note): Remove function.
11734         (final_scan_insn):  Remove calls to
11735         scan_ahead_for_unlikely_executed_note, and related code for switching
11736         to cold section, except for the single time
11737         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
11738         debug_hooks->switch_text_sections; replace appropriate calls to
11739         function_section with calls to current_function_section.
11740         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
11741         test_bb to condition.
11742         (find_if_case_2): Likewise.
11743         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
11744         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
11745         * opts.c (decode_options): Change warning about hot/cold partitioning
11746         with exceptionss to inform (so as not to cause bootstrap failures);
11747         remove warning about partitioning with DWARF debug info.
11748         * output.h (current_function_section): Add new function decl.
11749         (insert_section_boundary_note): Likewise.
11750         (enum in_section): Move this declaration here from varasm.c.
11751         (unlikely_section_label): Likewise.
11752         (unlikely_text_section_name): Likewise.
11753         (last_text_section_name): New global variable.
11754         (last_text_section): Likewise.
11755         (hot_section_label): Likewise.
11756         (hot_section_end_label): Likewise.
11757         (cold_section_end_label): Likewise.
11758         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
11759         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
11760         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
11761         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
11762         insn from consideration.
11763         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
11764         switch_text_section.
11765         * varasm.c (basic-block.h): Add new include.
11766         (unlikely_section_label_printed): Remove global variable.
11767         (unlikely_section_label): Make global variable not be static any more.
11768         (unlikely_text_section_name): Likewise.
11769         (hot_section_end_label): New global variable (not static)
11770         (first_function_block_is_cold): Likewise.
11771         (hot_section_label): Likewise.
11772         (cold_section_end_label): Likewise..
11773         (last_text_section): New global variable, not static.
11774         (last_text_section_name): New global variable, not static.
11775         (initialize_cold_section_name): New function.
11776         (enum in_section): Move declaration to output.h.
11777         (text_section): Update last_text_section.
11778         (unlikely_text_section): Replace code to determine cold section name
11779         with call to initialize_cold_section_name; Add code to update
11780         last_text_section; remove code for printing out label.
11781         (named_section_real): Add code to update last_text_section and
11782         last_text_section_name as appropriate.
11783         (function_section): Change test for 'unlikely' to depend on
11784         first_function_block_is_cold (moved old test to
11785         current_function_section).
11786         (current_function_section): New function.
11787         (assemble_start_function): Move code that frees
11788         unlikely_text_section_name; initialize hot_section_end_label;
11789         print hot and cold section labels at the start of the function;
11790         set first_function_block_is_cold, if appropriate; initialize l
11791         ast_text_section; add call to insert_section_boundary_note.
11792         (assemble_end_function):  Add code to write out hot and cold section
11793         end labels.
11794         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
11795         switch_text_section.
11796         * config/darwin.c (machopic_select_section): Replace incorrect
11797         function in base_funs; update reloc for cold sections if necessary.
11798         * config/darwin.h (SECTION_FUNCTION):  Add code to update
11799         last_text_section if appropriate.
11800         (text_unlikely_section): Remove.
11801         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
11802         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
11803         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
11804         partitioning for this architecture.
11805
11806 2005-03-31  Olivier Hainque  <hainque@adacore.com>
11807
11808         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
11809         defined and non-zero.
11810
11811 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11812
11813         PR c++/18644
11814         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
11815         semantics.
11816
11817 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11818
11819         PR target/20611
11820         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
11821         label operand.  Remove (use (unspec..)).  Don't emit a label on
11822         the offset word.
11823         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
11824         generate inline label for load_toc_v4_PIC_1b.
11825         (rs6000_emit_load_toc_table): Likewise.
11826
11827 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11828
11829         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
11830         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
11831
11832 2005-03-29  Devang Patel  <dpatel@apple.com>
11833
11834         * tree-sra.c (decide_block_copy): Disable scalarization of
11835         sub-elements.
11836
11837 2005-03-30  Stuart Hastings  <stuart@apple.com>
11838             Dale Johannesen  <dalej@apple.com>
11839
11840         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
11841         * print-tree.c (print_node):  Add case STATEMENT_LIST.
11842
11843 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11844
11845         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
11846         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
11847         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
11848         is given with "powerpc64*" or "all", or when --with-cpu chooses
11849         a 64-bit cpu.
11850
11851 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
11852
11853         PR debug/20268
11854         * dwarf2out.c (add_high_low_attributes): New function, extracted from
11855         gen_lexical_block_die.
11856         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
11857
11858 2005-03-31  Jan Hubicka  <jh@suse.cz>
11859
11860         2004-11-02  Jan Hubicka  <jh@suse.cz>
11861
11862         * cgraph.c (cgraph_varpool_node_name): New function.
11863         (dump_cgraph_varpool_node): New function.
11864         (dump_varpool): New function.
11865         * cgraphunit.c (cgraph_optimize): Dump varpool.
11866
11867         2004-10-16  Jan Hubicka  <jh@suse.cz>
11868
11869         * cgraph.c (decide_is_variable_needed): New function.
11870         (cgraph_varpool_finalize_decl): Use it.
11871         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
11872         unit-at-a-time.
11873         * final.c (output_addr_const): Do not call mark_referenced.
11874         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
11875         always go via cgraph.
11876         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
11877         (check_global_declarations): Ifdef out code clearing DECL_RTL.
11878         * tree-optimize.c (execute_inline): Mark functions called.
11879         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
11880
11881         2004-10-11  Jan Hubicka  <jh@suse.cz>
11882
11883         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
11884         (cgraph_varpool_last_needed_node): New static variable.
11885         (enqueue_needed_varpool_node): Break out from ...; add items to the
11886         end of queue; update first pointers.
11887         (cgraph_varpool_mark_needed_node): ... here.
11888         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
11889         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
11890         * cgraph.h (cgraph_varpool_node): Add analyzed field.
11891         (cgraph_varpool_first_unanalyzed_node): Declare.
11892         * cgraphunit.c: Include output.h.
11893         (cgraph_varpool_analyze_pending_decls): New function.
11894         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
11895         for errors, analyze pending decls.
11896         (cgraph_finalize_compilation_unit): Only analyze decls.
11897         (cgraph_optimize): Assemble the decls after expanding.
11898
11899 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
11900
11901         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
11902         subvars get marked properly in tags for grouping.
11903         (add_pointed_to_var): Mark only actual pointed to
11904         variables/subvars in addresses needed.
11905         (create_overlap_variables_for): Clear call clobbered on original
11906         variable.
11907         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
11908         addresable vars with subvars into list.
11909         * tree-ssa.c (verify_ssa_name): Verify original is not used where
11910         subvar should be.
11911
11912 2005-03-30  Richard Henderson  <rth@redhat.com>
11913
11914         * cgraph.h (struct cgraph_node): Add alias.
11915         * varasm.c (assemble_alias): Set it.
11916         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
11917         avoid calling cgraph_expand_function.
11918
11919 2005-03-30  Tom Tromey  <tromey@redhat.com>
11920
11921         * tree.def (FILE_TYPE): Removed.
11922         * typeclass.h (enum type_class): Removed file_type_class.
11923         * dwarf2out.c (is_base_type): Updated.
11924         (gen_type_die): Likewise.
11925         * dbxout.c (dbxout_type): Updated.
11926         * builtins.c (type_to_class): Updated.
11927         * tree.c (type_contains_placeholder_1): Updated.
11928         * config/sparc/sparc.c (sparc_type_code): Updated.
11929         * config/ia64/ia64.c (hfa_element_mode): Updated.
11930         * expr.c (count_type_elements): Updated.
11931         * stor-layout.c (layout_type): Updated.
11932         * tree-inline.c (remap_type): Updated.
11933         * tree-pretty-print.c (dump_generic_node): Updated.
11934
11935 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
11936
11937         * builtins.c (expand_builtin_powi): Fix mode of
11938         2nd argument to match int.
11939         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
11940         2nd argument type to int.
11941         * libgcc2.c: Change prototype of __powi* functions to use
11942         int.
11943
11944 2005-03-30  Dale Johannesen  <dalej@apple.com>
11945
11946         PR middle-end/19225
11947         * calls.c (expand_call):  Flush pending deferrals before
11948         throwing call.
11949
11950 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11951
11952         PR c/772
11953         PR c/17913
11954         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
11955         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
11956         c_label_context, label_context_stack): New.
11957         * c-decl.c (define_label): Check for jumps into statement
11958         expressions.  Add label to list of defined labels.
11959         (start_function): Push context on label_context_stack.
11960         (finish_function): Pop context from label_context_stack.
11961         * c-typeck.c (label_context_stack): New.
11962         (c_finish_goto_label): Check for jumps into statement
11963         expressions.  Add label to list of jumped to labels.
11964         (struct c_switch): Add blocked_stmt_expr.
11965         (c_start_case): Initialize it.
11966         (do_case): Check it.
11967         (c_finish_case): Verify !blocked_stmt_expr.
11968         (c_begin_stmt_expr):  Push context on label_context_stack.
11969         Increment blocked_stmt_expr.  Mark labels jumped to from outside
11970         as undefinable.
11971         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
11972         defined in the statement expression and no longer jumpable to.
11973         Mark labels jumped to from just outside the statement expression
11974         as again definable.  Pop context from label_context_stack.
11975         * doc/extend.texi (Statement Exprs): Update.
11976
11977 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11978
11979         PR c/20368
11980         * c-decl.c (start_function): Check for old_decl being
11981         error_mark_node.
11982
11983 2005-03-30  Ian Lance Taylor  <ian@airs.com>
11984
11985         * final.c (final): Remove prescan parameter.  Change all callers.
11986         (final_scan_insn): Remove prescan parameter.  Change all callers.
11987
11988 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
11989
11990         * tree-vectorizer.c: Fix comment typos.
11991
11992 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
11993
11994         * tree-scalar-evolution.c (instantiate_parameters_1): Return
11995         as soon as a chrec_dont_know is detected.
11996
11997 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
11998
11999         Merge from csl-arm-branch.
12000         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
12001
12002         * tlink.c (recompile_files): Do not assume that "rename" can
12003         overwrite an existing file.
12004
12005 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
12006
12007         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
12008         * gcc/configure: Regenerate.
12009
12010 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
12011
12012         * doc/install.texi: Update binutils requirement for powerpc*-linux.
12013
12014         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
12015
12016         * calls.c (struct arg_data): Update "partial" comment.
12017         (load_register_parameters): Update "nregs" comment.
12018
12019 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
12020
12021         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
12022         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
12023         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
12024         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
12025         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
12026         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
12027         than target_flags & 0.
12028         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
12029         (iq2000_arch, iq2000_parse_cpu): Delete.
12030         (TARGET_HANDLE_OPTION): Override default.
12031         (iq2000_handle_option): New function.
12032         (override_options): Remove -march= and -mcpu= handling.
12033         * config/iq2000/iq2000.opt: New file.
12034
12035 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
12036
12037         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
12038         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
12039         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
12040         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
12041         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
12042         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
12043         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
12044         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
12045         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
12046         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
12047         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
12048         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
12049         (c4x_rpts_cycles_string, c4x_cpu_version_string)
12050         (TARGET_OPTIONS): Delete.
12051         (c4x_rpts_cycles, c4x_cpu_version): Declare.
12052         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
12053         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
12054         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
12055         (c4x_cpu_version_string): Delete.
12056         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12057         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
12058         equivalent -mcpu= option.
12059         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
12060         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
12061         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
12062         or clearing the appropriate MASK_* bit.
12063         (c4x_file_start): Use c4x_cpu_version.
12064         * config/c4x/c4x.opt: New file.
12065
12066 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
12067
12068         * doc/options.texi: Document the new MaskExists flag.
12069         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
12070         if the option has the MaskExists flag.
12071
12072 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
12073
12074         * opt-functions.awk (flag_set_p, test_flag): New functions.
12075         (switch_flags): Use them.
12076         * opth-gen.awk: Use flag_set_p to check for flags.
12077         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
12078
12079 2005-03-30  Ian Lance Taylor  <ian@airs.com>
12080
12081         * config.host (i[34567]86-*-mingw32*): Don't set
12082         host_can_use_collect2 to no.
12083
12084 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
12085
12086         PR target/20203
12087         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
12088         Remove convert_memory_address call duplicating that in memory_address.
12089
12090 2005-03-29  Richard Henderson  <rth@redhat.com>
12091
12092         PR c/20519
12093         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
12094         (build_compound_literal): Likewise.  Propagate decl type into the
12095         initializer.
12096         (finish_decl): Likewise.  Use new return value from complete_array_type
12097         for zero sized arrays.
12098         (complete_array_type): Move ...
12099         * c-common.c (complete_array_type): ... here.  Change first argument
12100         to pointer-to-type-node.  Consistently use sizetype for the index
12101         except for zero sized arrays.  Detect zero sized arrays for pedantic
12102         mode diagnostics.  Create a new type node instead of modifying the
12103         old node in place.
12104         * c-tree.h (complete_array_type): Move decl ...
12105         * c-common.h (complete_array_type): ... here.
12106
12107 2005-03-29  Richard Henderson  <rth@redhat.com>
12108
12109         PR tree-opt/19108
12110         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
12111
12112 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
12113
12114         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
12115         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
12116         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
12117         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
12118
12119 2005-03-29  Eric Christopher  <echristo@redhat.com>
12120
12121         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
12122         truthvalue conversion removal.
12123
12124 2005-03-29  Ian Lance Taylor  <ian@airs.com>
12125
12126         PR bootstrap/14316
12127         * collect2.c: Never include <vfork.h>.
12128         (VFORK_STRING, vfork): Don't define.
12129         (pid): Remove global variable.
12130         (handler): Call raise instead of kill (getpid(), ...).
12131         (collect_wait): Add pex parameter.  Change all callers.  Use
12132         pex_get_status rather than pwait.
12133         (do_wait): Add pex parameter.  Change all callers.
12134         (collect_execute): Return struct pex_obj * rather than void.  Use
12135         pex routines rather than pexecute.
12136         (fork_execute): Get pex_obj from collect_execute, and pass it to
12137         do_wait.
12138         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
12139         Only declare quit_handler if SIGQUIT is defined.
12140         (scan_libraries): Likewise.
12141         * collect2.h (collect_execute): Update declaration.
12142         (collect_wait): Update declaration.
12143         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
12144         pass it to collect_wait.
12145
12146 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
12147
12148         PR c/20672
12149         * c-parser.c (c_parser_compound_statement_nostart): Give error
12150         message for EOF instead of just setting parser->error.
12151
12152 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
12153
12154         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
12155         (slpeel_update_phi_nodes_for_guard1): New function.
12156         (slpeel_update_phi_nodes_for_guard2): New function.
12157         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
12158         of slpeel_update_phi_nodes_for_guard.
12159         (vectorize_loops): Remove call to loop_closed_rewrite.
12160         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
12161         assertion.
12162
12163 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
12164
12165         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
12166         (TARGET_LITTLE_ENDIAN): New macro.
12167         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
12168         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
12169         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
12170         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
12171         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
12172         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
12173         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
12174         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
12175         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
12176         (TARGET_OPTIONS): Delete.
12177         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
12178         (CACHE_FLUSH_TRAP): Turn into an integer.
12179         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
12180         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
12181         -mflush-trap is in use.
12182         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
12183         (m32r_cache_flush_trap_string): Delete.
12184         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
12185         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
12186         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
12187         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12188         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
12189         -mmodel= and -msdata= handling from...
12190         (m32r_init): ...here.
12191         * config/m32r/m32r.opt: New file.
12192
12193 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
12194
12195         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
12196         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
12197         * tree-vect-analyze.c (vect_object_analysis): additional parm
12198         pass back a "struct ptr_info_def *" with the points-to info.
12199         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
12200         statement using info returned from vect_object_analysis.
12201         * tree-vect-transform.c (update_vuses_to_preheader): New function.
12202         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
12203         for virtual uses and defs when creating a replacement vector
12204         reference.  Call duplicate_ssa_name_ptr_info to define points-to
12205         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
12206         (vectorizable_store): copy_virtual_operands and update
12207         definition statements.
12208         (vectorizable_load): copy_virtual_operands.  Remove call to
12209         mark_call_clobbered_vars_to_rename for call to "const" builtin.
12210         * tree-vectorizer.c (vectorize_loops): Remove calls to
12211         rewrite_into_ssa and bitmap_clear (vars_to_rename).
12212         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
12213         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
12214         define macro STMT_VINFO_PTR_INFO for use in accessing.
12215         * tree.h add export of duplicate_ssa_name_ptr_info.
12216         * rs6000.c (altivec_init_builtins): Declare builtin function
12217         __builtin_altivec_mask_for_load to be "const".
12218
12219 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
12220
12221         PR middle-end/20622
12222         * cgraph.h (struct cgraph_varpool_node): Add alias field.
12223         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
12224         assemble_variable on aliases.
12225         * varasm.c (assemble_alias): Set node->alias.
12226         * toplev.c (wrapup_global_declarations): Don't call
12227         rest_of_decl_compilation on aliases again.
12228
12229 2005-03-29  Paul Brook  <paul@codesourcery.com>
12230
12231         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
12232         * config/arm/arm.c (arm_dbx_register_number): New function.
12233         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
12234
12235 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
12236
12237         PR middle-end/20263
12238         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
12239         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
12240
12241 2005-03-29  Dale Johannesen <dalej@apple.com>
12242
12243         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
12244         $(TREE_H) and $(COVERAGE_H).
12245         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
12246         * opts.c (common_handle_option): Enable tree-based value transforms.
12247         * toplev.c (process_options): Ditto.
12248         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
12249         refers to references to this type.
12250         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
12251         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
12252         for may_be_more, may_be_less.
12253         (rtl_gen_pow2_profiler): Adjust.
12254         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
12255         (rtl_gen_one_value_profiler): Adjust.
12256         (rtl_gen_const_delta_profiler): Adjust.
12257         * tree-profile.c (tree_gen_interval_profiler): Implement.
12258         (tree_gen_pow2_profiler): Ditto.
12259         (tree_gen_one_value_profiler): Ditto.
12260         (tree_profiling): New.
12261         (pass_tree_profile): Reference it.
12262         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
12263         tree.h, gcov-io.h.
12264         (insn_divmod_values_to_profile): Rename to
12265         rtl_divmod_values_to_profile. Adjust.
12266         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
12267         (insn_prefetch_values_to_profile): Adjust.
12268         (rtl_value_profile_transformations): Adjust.
12269         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
12270         (gen_mod_pow2): Rename to rtl_mod_pow2.
12271         (gen_mod_subtract): Rename to rtl_mod_subtract.
12272         (divmod_fixed_value_transform): Rename to
12273         rtl_divmod_fixed_value_transform.
12274         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
12275         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
12276         (rtl_find_values_to_profile): Adjust.
12277         (tree_value_profile_transformations): Implement.
12278         (tree_divmod_values_to_profile): New.
12279         (tree_values_to_profile): New.
12280         (tree_divmod_fixed_value): New.
12281         (tree_mod_pow2): New.
12282         (tree_mod_subtract): New.
12283         (tree_divmod_fixed_value_transform): New.
12284         (tree_mod_pow2_value_transform): New.
12285         (tree_mod_subtract_transform): New.
12286         (tree_find_values_to_profile): Implement.
12287         * profile.c (instrument_values):  Free histograms.
12288         (compute_value_histograms): Adjust. Implement tree version.
12289
12290 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
12291
12292         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
12293         * config/i386/i386.c (output_fix_trunc): Add new round_mode
12294         variable.  Output "fldcw" depending on round_mode.
12295         * config/i386/i386.md (UNSPEC_FIST): New.
12296         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
12297         New isns patterns to implement lrint and llrint built-ins as x87
12298         intrinsic function.
12299         (fistdi2, fist<mode>2 splitters): New splitters.
12300         (lrint<mode>2): New expanders.
12301
12302 2005-03-28  Ian Lance Taylor  <ian@airs.com>
12303
12304         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
12305         0 when calling final_scan_insn.
12306
12307 2005-03-28  Jan Hubicka  <jh@suse.cz>
12308
12309         PR middle-end/20635
12310         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
12311         as needed.
12312
12313         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
12314         types where possible.
12315
12316 2005-03-26  Per Bothner  <per@bothner.com>
12317
12318         Make -f[no-]show-column also control non-cpp diagnostics.
12319         * c.opt (fshow-column): Move option from here ...
12320         * common.opt (fshow-column): ... to here.
12321         * diagnostic.c (diagnostic_build_prefix): Only print column number
12322         if flag_show_column.
12323
12324 2005-03-27  Steven Bosscher  <stevenb@suse.de>
12325
12326         * vax-protos.h (vax_output_int_move, vax_output_int_add,
12327         vax_output_conditional_branch): New prototypes.
12328         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
12329         extracted from vax.md mov and add patterns.
12330         (vax_output_conditional_branch): New function to output conditional
12331         branch instructions.
12332         * vax.md: Use mode macros for arithmetic and mov patterns.
12333         Use code macros for the jump patterns.
12334
12335 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
12336
12337         * Makefile.in (libbackend.o): Depend on version files;
12338         add custom generation command.
12339
12340 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
12341
12342         PR target/20636
12343         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
12344         sure that we have a REG before getting its REGNO.
12345
12346 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12347
12348         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
12349         * builtins.def (BUILT_IN_STRNDUP): New.
12350
12351 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
12352
12353         PR tree-optimization/20470
12354         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
12355         ABS(x-y).
12356
12357 2005-03-25  Mike Stump  <mrs@apple.com>
12358
12359         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
12360         sized objects.
12361
12362 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
12363
12364         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
12365         Use our own structure definitions.
12366
12367         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
12368         (fix_truncdfsi2): Allow registers or memory as destination.
12369         When TARGET_PPC_GFXOPT, generate simplified pattern.
12370         (fix_truncdfsi2_internal): Use define_insn_and_split.
12371         (fix_truncdfsi2_internal_gfxopt): New.
12372         (fctiwz): Don't confuse register allocation by giving it no choices.
12373         (stfiwx): New.
12374         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
12375         (EXTRA_MEMORY_CONSTRAINT): Likewise.
12376         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
12377         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
12378
12379 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
12380
12381         * dominance.c (free_dominance_info): Speed up by freeing et
12382         data structures without maintaining other nodes.
12383         * et-forest.c (et_free_tree_force): New.
12384         * et-forest.h: Add a prototype for et_free_tree_force.
12385
12386         * tree.c (get_set_constructor_bits,
12387         get_set_constructor_bytes): Remove.
12388         * tree.h: Remove the corresponding prototypes.
12389
12390 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12391
12392         PR target/15491
12393         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
12394         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
12395         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
12396         PRE_DEC, NEG and NOT.
12397
12398 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
12399
12400         * fold-const.c: Convert uses of fold (build (...)) to
12401         fold_buildN.
12402
12403 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
12404
12405         PR rtl-optimization/20249
12406         * cse.c (insert_regs): Do not record equivalence of registers in
12407         different modes.
12408
12409 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
12410
12411         * emit-rtl.c (reverse_comparison): Remove.
12412         * rtl.h: Remove the corresponding prototype.
12413
12414 2005-03-24  James E Wilson  <wilson@specifixinc.com>
12415
12416         * doc/install.texi (--enable-altivec): Delete docs.
12417
12418 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
12419
12420         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
12421         SFmode and DFmode before reload when
12422         flag_unsafe_math_optimizations not enabled.
12423
12424 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
12425
12426         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
12427
12428         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
12429         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
12430
12431 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
12432
12433         * configure.ac (enable-checking): Add 'runtime' option.
12434         * doc/install.texi (enable-checking): Document 'runtime' checking.
12435         * tsystem.h (gcc_assert, gcc_unreachable): Define.
12436         * config.in: Regenerated.
12437         * configure: Regenerated.
12438
12439 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
12440
12441         * optabs.h (enum optab_index): Remove OTI_llrint.
12442         (llrint_optab): Remove macro.
12443         * optabs.c (init_optabs): Remove llrint_optab initialization.
12444         * genopinit.c (optabs): Remove llrint_optab implementation.
12445         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
12446         using lrint_optab.
12447
12448 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
12449
12450         PR rtl-optimization/20532
12451         * simplify-rtx.c (simplify_binary_operation_1): Protect from
12452         overflow when adding coefficients for PLUS or MINUS.
12453         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
12454         two as multiplier.
12455
12456 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12457
12458         * langhooks.h (truthvalue_conversion): Remove.
12459         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
12460         LANG_HOOKS_TRUTHVALUE_CONVERSION.
12461         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
12462         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
12463         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
12464
12465 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
12466
12467         * params.def: Fix a typo.
12468         * config/mips/mips.c: Follow the spelling convensions.
12469         * doc/invoke.texi: Fix typos.
12470
12471 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
12472
12473         Fix PR tree-optimization/20601
12474
12475         * tree-ssa-pre.c (insert_aux): Add missing condition to
12476         constification.
12477
12478 2005-03-23  Ian Lance Taylor  <ian@airs.com>
12479
12480         * final.c (final_scan_insn): Don't remove no-op instructions.
12481         * reload1.c (reload): Remove simple no-op instructions even when
12482         not optimizing.
12483
12484 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
12485
12486         PR tree-optimization/20501
12487         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
12488         reporting that peeling for alignment is applied moved to...
12489         * (vect_analyze_data_refs_alignment): Here.
12490
12491 2005-03-23  Ian Lance Taylor  <ian@airs.com>
12492
12493         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
12494
12495 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12496
12497         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
12498         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
12499
12500 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
12501
12502         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
12503         imply that this is called once, independent of asms in code.
12504         Adjust to now being pased output and input lists.  Mention helper
12505         function decl_overlaps_hard_reg_set_p.
12506         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
12507         hook_tree_tree_identity and to take three trees, returning third.
12508         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
12509         prototype.
12510         * stmt.c: include hard-reg-set.h before tree.h.
12511         (decl_overlaps_hard_reg_set_p): New function, broken out from...
12512         (decl_conflicts_with_clobbers_p): Call
12513         decl_overlaps_hard_reg_set_p.
12514         (expand_asm_operands): Pass output and input lists in call to
12515         targetm.md_asm_clobbers.
12516         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
12517         hook_tree_tree_tree_tree_3rd_identity.
12518         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
12519         parameters.
12520         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
12521         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
12522         parameters, first two unused.
12523         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
12524         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
12525         in constraint letters and MOF is not mentioned as a asm-declared
12526         register in neither of the input and output lists.
12527
12528 2005-03-23  DJ Delorie  <dj@redhat.com>
12529
12530         * optabs.c (expand_binop): Make sure the first subword's result
12531         gets stored.
12532
12533 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12534
12535         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
12536         Call c_common_truthvalue_conversion rather than
12537         lang_hooks.truthvalue_conversion.
12538         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
12539         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
12540         c-typeck.c.
12541         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
12542         c_common_truthvalue_conversion.
12543         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
12544         c_parser_conditional_expression, c_parser_binary_expression): Call
12545         c_objc_common_truthvalue_conversion.
12546         * c-typeck.c (build_unary_op): Call
12547         c_objc_common_truthvalue_conversion.
12548         (build_conditional_expr): Do not call
12549         lang_hooks.truthvalue_conversion.
12550         (build_binary_op): Call c_common_truthvalue_conversion.
12551         (c_objc_common_truthvalue_conversion): Moved from
12552         c-objc-common.c.  Call default_function_array_conversion instead
12553         of default_conversion.
12554
12555 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12556
12557         * c-common.h (default_conversion): Remove.
12558         (perform_integral_promotions): Add.
12559         * c-tree.h (default_conversion): Add.
12560         * c-typeck.c (perform_integral_promotions): New, split out from
12561         default_conversion.
12562         * c-common.c (check_case_value): Use perform_integral_promotions,
12563         not default_conversion.
12564         (c_add_case_label): Don't continue processing case label after
12565         found to be pointer.
12566
12567 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
12568
12569         * gcc.c (do_spec_1): Do not add a -L path for a directory in
12570         the prefix list if we have already added a multilib directory
12571         based on that path.
12572         (main): Do not add MD_EXEC_PREFIX to the list of directories to
12573         search with -L.
12574
12575 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12576
12577         * reload1.c (indirect_symref_ok, reload_obstack): Make them
12578         static.
12579         * reload.h: Remove the prototype for indirect_symref_ok.
12580
12581         * reload1.c (indirect_symref_ok): Make it global.
12582         * reload.h: Add a prototype for indirect_symref_ok.
12583
12584 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
12585
12586         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
12587         ashlhi3 expander.
12588
12589 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
12590
12591         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
12592
12593 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
12594
12595         * c-opts.c (c_common_parse_file): Only start/end main source file
12596         if debug hooks says the writer wants it.
12597         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
12598         member.
12599         (xcoff_debug_hooks): Ditto.
12600         * debug.c (do_nothing_hooks): Ditto.
12601         * debug.h (gcc_debug_hooks): Ditto.
12602         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
12603         * sdbout.c (sdb_debug_hooks): Ditto.
12604         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
12605
12606 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
12607
12608         * doc/extend.texi: Deprecate C++ min/max operators.
12609
12610 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
12611
12612         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
12613         artificial original candidates.
12614
12615 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
12616             Jan Hubicka  <jh@suse.cz>
12617             Steven Bosscher <stevenb@suse.de>
12618
12619         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
12620         call cost based on argument sizes.
12621         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
12622         inlining.
12623         * params.def: (max-inline-inssn-single): Set to 450.
12624         (max-inline-insns-auto): Set to 90.
12625         (max-inline-insns-recursive): Set to 450
12626         (max-inline-insns-recursive-auto): Set to 450.
12627         (large-function-insns): Set to 2700.
12628         (inline-call-cost): New parameter.
12629         * tree-inline.c (estimate_move_cost): New function.
12630         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
12631         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
12632         based on arguments.
12633         * tree-inline.h (estimate_move_cost): Declare.
12634         * invoke.texi: (max-inline-inssn-single): Change default to 450.
12635         (max-inline-insns-auto): Change default to 90.
12636         (max-inline-insns-recursive): Change default to 450
12637         (max-inline-insns-recursive-auto): Change default to 450.
12638         (large-function-insns): Change default to 2700.
12639         (inline-call-cost): Document new parameter.
12640
12641 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
12642
12643         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
12644         (TARGET_DEFAULT): Delete.
12645         * config/i860/i860.opt: New file.
12646
12647 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
12648
12649         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
12650         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
12651         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
12652         (frv_sched_lookahead): Delete.
12653         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
12654         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
12655         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
12656         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
12657         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
12658         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
12659         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
12660         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
12661         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
12662         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
12663         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
12664         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
12665         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
12666         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
12667         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
12668         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
12669         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
12670         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
12671         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
12672         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
12673         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
12674         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
12675         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
12676         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
12677         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
12678         (frv_sched_lookahead): Delete.
12679         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
12680         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12681         (frv_handle_option): New function.  Move -mcpu= handling from...
12682         (frv_override_options): ...here.  Remove handling of other
12683         TARGET_OPTIONS.
12684         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
12685         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
12686         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
12687         and TARGET_NO_MULTI_CE.
12688         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
12689         !TARGET_VLIW_BRANCH.
12690         * config/frv/frv.opt: New file.
12691
12692 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12693
12694         * fold-const.c (fold_ternary): Take decomposed arguments of
12695         CALL_EXPR.
12696         (fold): Update a call to fold_ternary.
12697
12698         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
12699         * tree.h: Add corresponding prototypes.
12700
12701 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
12702
12703         PR target/20561
12704         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
12705         between jump table and its label.
12706         * final.c (shorten_branches): Handle notes in between ADDR_VEC
12707         resp. ADDR_DIFF_VEC and the label preceeding it.
12708         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
12709         is emitted in the right section.
12710
12711 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12712
12713         * fold-const.c (fold_unary, fold_binary): Update comments
12714         about arguments.
12715
12716 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
12717
12718         PR rtl-optimization/20527
12719         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
12720         REG_INC note, test that the register also isn't mentioned in PRED
12721         or SUCC.
12722
12723 2005-03-22  Ben Elliston  <bje@au.ibm.com>
12724
12725         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
12726         and definition.
12727
12728 2005-03-21  Mike Stump  <mrs@apple.com>
12729
12730         * varasm.c (default_assemble_visibility): Remove extra ().
12731
12732 2005-03-21  Roger Sayle  <roger@eyesopen.com>
12733
12734         PR middle-end/20557
12735         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
12736         to determine whether a block can be duplicated, rather than test
12737         whether the block contains noncopyable insns ourselves.
12738
12739 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12740
12741         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
12742         predicates.
12743
12744 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12745
12746         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
12747
12748 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12749
12750         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
12751         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
12752         * config/fr30/fr30.opt: New file.
12753
12754 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
12755
12756         Fix PR tree-optimization/20542
12757
12758         * tree-flow-inline.h (overlap_subvar): Move to here.
12759         * tree-ssa-operands.c: From here.
12760         * tree-flow.h (overlap_subvar): Declare.
12761         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
12762         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
12763         for variables with subvars.
12764
12765 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
12766
12767         PR middle-end/20177
12768         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
12769         * modulo-sched.c (const_iteration_count): Return on NULL
12770         pre-header.
12771         (print_node_sched_params): Return on NULL dump_file.
12772         (generate_reg_moves): Handle reg-anti dependencies and disregard
12773         closing branch when generating register moves.
12774         (sms_schedule): Mark the SMSed block dirty.
12775         * passes.c (rest_of_handle_sms): Call update_life_info for all
12776         basic-blocks.
12777         * testsuite/gcc.dg/20050321-1.c: New test.
12778
12779 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12780
12781         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
12782         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
12783         movqi_internal): Likewise.
12784
12785 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12786
12787         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
12788         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
12789         xtensa_b4const): Delete prototypes.
12790         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
12791         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
12792         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
12793         xtensa_extra_constraint): New prototypes.
12794         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12795         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12796         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12797         move_operand, const_float_1_operand, fpmem_offset_operand,
12798         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
12799         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
12800         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
12801         argument type to HOST_WIDE_INT.
12802         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
12803         xtensa_mask_immediate): Likewise.
12804         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
12805         Likewise.  Also make these functions static.
12806         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
12807         (xtensa_const_ok_for_letter_p): New.
12808         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12809         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12810         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12811         move_operand, const_float_1_operand, fpmem_offset_operand,
12812         branch_operator, ubranch_operator, boolean_operator): Move to
12813         predicates.md.
12814         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
12815         (xtensa_mem_offset): Change return type to bool.
12816         (xtensa_extra_constraint): New.
12817         (gen_int_relational): Update type of const_range_p function pointer.
12818         Use xtensa_b4const_or_zero.
12819         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
12820         xtensa_const_ok_for_letter_p.  Update comments.
12821         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
12822         (PREDICATE_CODES): Delete.
12823         * config/xtensa/xtensa.md: Include predicates.md.
12824         * config/xtensa/predicates.md: New file.
12825
12826 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12827
12828         * config/v850/v850-protos.h: Remove the prototypes for
12829         reg_or_int9_operand, reg_or_const_operand,
12830         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
12831         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
12832         movsi_source_operand, power_of_two_operand,
12833         not_power_of_two_operand, special_symbolref_operand,
12834         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
12835         register_is_ok_for_epilogue.
12836         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
12837         reg_or_int9_operand, reg_or_const_operand,
12838         call_address_operand, special_symbolref_operand,
12839         movsi_source_operand, power_of_two_operand,
12840         not_power_of_two_operand, register_is_ok_for_epilogue,
12841         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
12842         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
12843         predicates.md.
12844         * config/v850/v850.h (PREDICATE_CODES): Remove.
12845         * config/v850/v850.md: Include predicates.md.
12846         * config/v850/predicates.md: New.
12847
12848 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
12849
12850         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
12851         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
12852         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
12853         (itoolsdir, itoolsdatadir): Move definition above new first use.
12854         (install-itoolsdirs): New rule.
12855         (install-mkheaders): Depend on install-itoolsdirs, not
12856         install-include-dir.
12857
12858 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12859
12860         * tree-into-ssa.c: Remove obsolete comments.
12861
12862 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
12863
12864         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
12865         unrolling if -fpeel-loops is specified, too.
12866         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
12867         Remove superfluous check for flag_unroll_loops.
12868
12869 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
12870
12871         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
12872         (lrint_optab, llrint_optab): Define corresponding macros.
12873         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
12874         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
12875         pattern and llrint_optab using llrintdi2 patterns.
12876         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
12877         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
12878         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
12879         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
12880         flag_unsafe_math_optimizations is set.
12881
12882 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12883
12884         * combine.c (combine_simplify_rtx, simplify_if_then_else,
12885         simplify_logical, if_then_else_cond, known_cond,
12886         simplify_comparison): Adjust calls to reverse_comparison.
12887         Don't use combine_reversed_comparison_code).
12888         (combine_reversed_comparison_code): Remove.
12889         (reversed_comparison): Using reversed_comparison_code, move it...
12890         * jump.c (reversed_comparison): ... here.
12891         * rtl.h (reversed_comparison): Add prototype.
12892
12893 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12894
12895         * builtins.c (fold_builtin): Take decomposed arguments of
12896         CALL_EXPR.
12897         * fold-const.c (fold_ternary): Update a call to fold_builtin.
12898         * gimplify.c (gimplify_call_expr): Likewise.
12899         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
12900         * tree.h: Update the prototype of fold_builtin.
12901
12902 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12903
12904         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
12905         * rtlhooks.c (gen_lowpart_no_emit_general): New.
12906         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
12907         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
12908         * simplify-rtx.c (simplify_binary_operation_1): Use it.
12909
12910 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12911
12912         * builtins.c (fold_builtin_1): Take decomposed arguments of
12913         CALL_EXPR.
12914         (fold_builtin): Update a call to fold_builtin_1.
12915
12916 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
12917
12918         PR other/20564
12919         * gcov.c (output_lines): Only output function block summary when
12920         outputting branch information.
12921         * doc/gcov.texi: Document format of preamble and additional block
12922         information lines.
12923
12924 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12925
12926         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
12927         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
12928         the defaults false if BITS_PER_UNIT != 8.
12929         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
12930         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
12931         than BITS_PER_UNIT != 8.
12932         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
12933         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
12934         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
12935         #undefs.
12936         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
12937         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
12938
12939 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12940
12941         PR middle-end/20539
12942         * fold-const.c (fold_binary): Fix type mismatch between
12943         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
12944         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
12945         for non-truth-valued expressions.
12946
12947         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
12948         and FUNCTION_DECL in the main switch.
12949         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
12950         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
12951         we also need to convert their operands to match.
12952         <TRUTH_NOT_EXPR>: Likewise.
12953
12954 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
12955
12956         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
12957         diagnostic without checking whether an lvalue.
12958         * c-common.h (lvalue_p): Remove.
12959         (enum lvalue_use): Update comment.
12960         (lvalue_or_else): Replace by lvalue_error.
12961         * c-typeck.c (lvalue_p): Make static.
12962         (lvalue_or_else): New.  Call lvalue_error.
12963
12964 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
12965
12966         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
12967         (function_arg_advance): Use rs6000_parm_start.
12968         (function_arg, rs6000_arg_partial_bytes): Likewise.
12969
12970 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12971
12972         * c-common.c (check_case_value): Adjust comment about stripping
12973         NOPs.
12974         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
12975         * c-typeck.c (default_conversion, convert_arguments,
12976         build_modify_expr, convert_for_assignment, store_init_value,
12977         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
12978         manually.  Remove inaccurate comments.
12979
12980 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12981             Joseph S. Myers  <joseph@codesourcery.com>
12982
12983         * varasm.c (do_assemble_alias): Restore comment describing function.
12984         Annotate the target parameter as potentially unused.
12985
12986 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12987
12988         PR target/18551
12989         * config/avr/avr.c (avr_output_function_prologue): Do not use
12990         current_function_name() in a label, use a local label instead.
12991
12992 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
12993
12994         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
12995         flag_finite_math_only, not flag_unsafe_math_optimizations.
12996
12997 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
12998
12999         * builtins.c (fold_builtin_1): Update a call to
13000         targetm.fold_builtin.
13001         * hooks.c (hook_tree_tree_bool_null): Rename to
13002         hook_tree_tree_tree_bool_null.  Take one more argument of type
13003         tree.
13004         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
13005         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
13006         hook_tree_tree_tree_bool_null.
13007         * target.h (gcc_target): Update the prototype of fold_builtin.
13008         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
13009         arguments of CALL_EXPR.
13010         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
13011         new prototype.
13012
13013 2005-03-20  Jan Hubicka  <jh@suse.cz>
13014
13015         * cgraph.h (cgraph_node): Add prev_clone pointer.
13016         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
13017         (cgraph_clone_node): Produce doubly linked chain.
13018
13019 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
13020
13021         * c-common.c (handle_aligned_attribute, check_function_sentinel,
13022         get_nonnull_operand, handle_sentinel_attribute,
13023         check_function_arguments_recurse): Do not strip NOPS from
13024         INTEGER_CSTs.
13025         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
13026         Likewise.
13027         * c-format.c (get_constant): Likewise.
13028         * c-parser.c (c_parser_postfix_expression): Likewise.
13029         * c-typeck.c (set_init_index): Likewise.
13030         (convert_arguments): Don't check for NOP_EXPR containing integer
13031         constant.
13032
13033 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
13034
13035         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
13036         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
13037         Take decomposed arguments of CALL_EXPR.
13038         (fold_builtin_1): Update calls to the functions mentioned
13039         above.
13040
13041 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
13042
13043         * c-decl.c (check_bitfield_type_and_width): Require bit-field
13044         width to have integer type.
13045         (build_enumerator): Require enumerator value to have integer type.
13046
13047 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
13048
13049         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
13050         to __builtin_inff.
13051
13052 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
13053
13054         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
13055         std=iso9899:199x): Correct descriptions.
13056
13057 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
13058
13059         * config.gcc: Consistently use solaris2.1[0-9]* instead of
13060         solaris2.1[0-9].
13061
13062 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
13063
13064         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
13065         of CALL_EXPR.
13066         (expand_builtin_memcpy, fold_builtin_1): Update calls to
13067         fold_builtin_memcpy.
13068
13069         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
13070         arguments of CALL_EXPR.
13071         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
13072         fold_builtin_found, fold_builtin_1): Update calls to
13073         fold_trunc_transparent_mathfn.
13074
13075 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13076
13077         PR middle-end/20493
13078         * fold-const.c (fold_widened_comparison): Don't optimize casts of
13079         function pointers on targets that require function pointer
13080         canonicalization.
13081         (fold_sign_changed_comparison): Likewise.
13082
13083 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
13084
13085         * combine.c (try_combine): When changing the mode of a hard reg, make
13086         sure that doing so is valid.
13087
13088 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
13089
13090         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
13091         (TARGET_HANDLE_OPTION): Override default.
13092         (avr_handle_option): New function.
13093         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
13094         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
13095         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
13096         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
13097         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
13098         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
13099         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
13100         (TARGET_OPTIONS): Delete.
13101         * config/avr/avr.opt: New file.
13102
13103 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13104
13105         * config/m32r/m32r-protos.h: Remove the prototypes for
13106         call_address_operand, symbolic_operand, seth_add3_operand,
13107         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
13108         reg_or_uint16_operand, reg_or_cmp_int16_operand,
13109         two_insn_const_operand, move_src_operand,
13110         move_double_src_operand, move_dest_operand,
13111         eqne_comparison_operator, signed_comparison_operator,
13112         large_insn_p, conditional_move_operand, carry_compare_operand,
13113         m32r_block_immediate_operand, extend_operand,
13114         reg_or_eq_int16_operand, int8_operand, and
13115         reg_or_zero_operand.
13116         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
13117         seth_add3_operand, int8_operand, cmp_int16_operand,
13118         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
13119         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
13120         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
13121         move_double_src_operand, move_dest_operand,
13122         eqne_comparison_operator, signed_comparison_operator,
13123         extend_operand, small_insn_p, large_insn_p,
13124         conditional_move_operand, carry_compare_operand,
13125         m32r_block_immediate_operand): Move to predicates.md.
13126         (MAX_MOVE_BYTES): Move to m32r.h.
13127         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
13128         * config/m32r/m32r.md: Include predicates.md.
13129         * config/m32r/predicates.md: New.
13130
13131 2005-03-18  James E Wilson  <wilson@specifixinc.com>
13132
13133         PR c++/19769
13134         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
13135         origin.
13136
13137 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13138
13139         * config/mn10300/mn10300-protos.h: Remove the prototypes for
13140         call_address_operand, const_8bit_operand.
13141         * config/mn10300/mn10300.c (call_address_operand,
13142         const_8bit_operand, const_1f_operand): Move to predicates.md.
13143         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
13144         * config/mn10300/mn10300.md: Include predicates.md.
13145         * config/mn10300/predicates.md: New.
13146
13147 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
13148
13149         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
13150         declarations in diagnostics and %E for identifiers, not %s.
13151
13152 2005-03-18  Jan Hubicka  <jh@suse.cz>
13153             Dale Johannesen  <dalej@apple.com>
13154
13155         * basic-block.h (scale_bbs_frequencies_int,
13156         scale_bbs_frequencies_gcov_type): Declare.
13157         * cfg.c (RDIV): New macro.
13158         (update_bb_frequency_for_threading): Fix.
13159         * basic-block.h (scale_bbs_frequencies_int,
13160         scale_bbs_frequencies_gcov_type): New.
13161         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
13162         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
13163         scale_bbs_frequencies_int.
13164         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
13165
13166 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13167
13168         * config/m32r/m32r-protos.h: Remove the prototypes for
13169         call_address_operand, symbolic_operand, seth_add3_operand,
13170         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
13171         reg_or_uint16_operand, reg_or_cmp_int16_operand,
13172         two_insn_const_operand, move_src_operand,
13173         move_double_src_operand, move_dest_operand,
13174         eqne_comparison_operator, signed_comparison_operator,
13175         large_insn_p, conditional_move_operand, carry_compare_operand,
13176         m32r_block_immediate_operand, extend_operand,
13177         reg_or_eq_int16_operand, int8_operand, and
13178         reg_or_zero_operand.
13179         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
13180         seth_add3_operand, int8_operand, cmp_int16_operand,
13181         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
13182         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
13183         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
13184         move_double_src_operand, move_dest_operand,
13185         eqne_comparison_operator, signed_comparison_operator,
13186         extend_operand, small_insn_p, large_insn_p,
13187         conditional_move_operand, carry_compare_operand,
13188         m32r_block_immediate_operand): Move to predicates.md.
13189         (MAX_MOVE_BYTES): Move to m32r.h.
13190         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
13191         * config/m32r/m32r.md: Include predicates.md.
13192         * config/m32r/predicates.md: New.
13193
13194         * config/pa/pa-protos.h: Add prototypes for magic_milli and
13195         shadd_constant_p.
13196         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
13197         symbolic_operand, symbolic_memory_operand,
13198         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
13199         indexed_memory_operand, move_dest_operand, move_src_operand,
13200         prefetch_cc_operand, prefetch_nocc_operand,
13201         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
13202         arith_operand, arith11_operand, pre_cint_operand,
13203         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
13204         ireg_operand, int5_operand, uint5_operand, int11_operand,
13205         uint32_operand, arith5_operand, and_operand, ior_operand,
13206         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
13207         pc_or_label_operand, div_operand, plus_xor_ior_operator,
13208         shadd_operand, movb_comparison_operator,
13209         cmpib_comparison_operator): Move to predicates.md.
13210         (magic_milli, shadd_constant_p): Make it extern.
13211         * config/pa/pa.h (PREDICATE_CODES): Remove.
13212         * config/pa/pa.md: Include predicates.md.
13213         * config/pa/predicates.md: New.
13214
13215         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
13216         predicate.
13217
13218 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13219
13220         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
13221         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
13222         config/alpha/freebsd.h, config/alpha/linux.h,
13223         config/alpha/netbsd.h, config/alpha/osf5.h,
13224         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
13225         config/h8300/h8300-protos.h, config/h8300/h8300.c,
13226         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
13227         doc/cppopts.texi: Update copyright.
13228
13229 2005-03-18  Jan Hubicka  <jh@suse.cz>
13230
13231         PR middle-end/20225
13232         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
13233         too late.
13234         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
13235         called too late.
13236
13237 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13238
13239         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
13240         VEC_safe_push.
13241
13242 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
13243
13244         * combine.c (gen_binary): Remove.
13245         (known_cond, simplify_shift_const, find_split_point,
13246         combine_simplify_rtx, simplify_if_then_else, simplify_set,
13247         simplify_logical, expand_field_assignment, extract_left_shift,
13248         force_to_mode, if_then_else_cond, apply_distributive_law,
13249         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
13250         simplify_comparison, reversed_comparison): Replace with
13251         simplify_gen_binary, simplify_gen_relational or
13252         distribute_and_simplify_rtx.
13253         (distribute_and_simplify_rtx): New function.
13254
13255 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
13256             Paolo Bonzini  <gcc.gnu.org>
13257
13258         * calls.c (setjmp_call_p, special_function_p): Update comments
13259         at the head of the functions.
13260
13261 2005-03-18  Jan Hubicka  <jh@suse.cz>
13262
13263         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
13264
13265         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
13266         function body should be released; do not proactively release function
13267         bodies in non-unit-at-a-time mode.
13268
13269 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
13270
13271         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
13272         mno-fp-ret-in-387 multilib variants.
13273
13274 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
13275
13276         * common.opt (m): Remove.
13277         * opts.c (handle_option): Pass 'm' options to set_target_switch if
13278         table lookup fails.
13279         (common_handle_option): Remove OPT_m case.
13280
13281 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13282
13283         * builtins.c (fold_builtin_bitop): Take decomposed arguments
13284         of CALL_EXPR.
13285         (fold_builtin_1): Update a call to fold_builtin_bitop.
13286
13287         * builtins.c (fold_builtin_signbit): Take decomposed arguments
13288         of CALL_EXPR.
13289         (fold_builtin_1): Update a call to fold_builtin_signbit.
13290
13291 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
13292
13293         PR tree-optimization/20474
13294         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
13295         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
13296
13297 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
13298
13299         * config/h8300/h8300-protos.h: Remove prototypes for
13300         general_operand_src, general_operand_dst, single_one_operand,
13301         single_zero_operand, call_insn_operand,
13302         two_insn_adds_subs_operand, small_call_insn_operand,
13303         jump_address_operand, bit_operand, bit_memory_operand,
13304         stack_pointer_operand, const_int_gt_2_operand,
13305         const_int_ge_8_operand, const_int_qi_operand,
13306         const_int_hi_operand, incdec_operand, bit_operator,
13307         nshift_operator, eqne_operator, gtle_operator,
13308         gtuleu_operator, iorxor_operator.
13309         Add prototypes for h8sx_shift_type h8sx_classify_shift and
13310         h8300_ldm_stm_parallel.
13311         * config/h8300/h8300.c (h8sx_shift_type,): Move to
13312         h8300-protos.h.
13313         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
13314         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
13315         (h8300_ldm_stm_parallel): Make it extern.
13316         (h8300_ldm_parallel, h8300_stm_parallel,
13317         h8300_return_parallel, general_operand_src,
13318         general_operand_dst, h8300_dst_operand, h8300_src_operand,
13319         nibble_operand, reg_or_nibble_operand, single_one_operand,
13320         single_zero_operand, call_insn_operand,
13321         two_insn_adds_subs_operand, small_call_insn_operand,
13322         jump_address_operand, bit_operand, bit_memory_operand,
13323         stack_pointer_operand, const_int_gt_2_operand,
13324         const_int_ge_8_operand, const_int_qi_operand,
13325         const_int_hi_operand, incdec_operand, eqne_operator,
13326         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
13327         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
13328         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
13329         nshift_operator): Move to predicates.md.
13330         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
13331         * config/h8300/h8300.md: Include predicates.md.
13332         * config/h8300/predicates.md: New.
13333
13334 2005-03-17  Richard Henderson  <rth@redhat.com>
13335
13336         * config.gcc (ia64*-*-hpux*): Add extra_options.
13337         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
13338         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
13339         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
13340         (ia64_tls_size_string, ia64_tune_string): Remove.
13341         (ia64_tune): Init to PROCESSOR_ITANIUM2.
13342         (TARGET_DEFAULT_TARGET_FLAGS): New.
13343         (TARGET_HANDLE_OPTION): New.
13344         (ia64_override_options): Move options parsing ...
13345         (ia64_handle_option): ... here.  New.
13346         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
13347         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
13348         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
13349         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
13350         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
13351         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
13352         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
13353         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
13354         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
13355         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
13356         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
13357         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
13358         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
13359         TARGET_EARLY_STOP_BITS): Remove.
13360         (TARGET_ILP32): Default false.
13361         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
13362         (enum ia64_inline_type): New.
13363         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
13364         * config/ia64/ia64.md: Update for new definitions of
13365         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
13366         * config/ia64/ia64.opt: New file.
13367         * config/ia64/ilp32.opt: New file.
13368
13369 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
13370
13371         PR target/18380
13372         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
13373
13374 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
13375
13376         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
13377         instead of MASK_H8300S.
13378         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
13379         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
13380         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
13381         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
13382         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
13383         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
13384         TARGET_SWITCHES): Remove.
13385         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
13386         TARGET_H8300SX.
13387         * config/h8300/h8300.opt: New.
13388
13389         * config/alpha/alpha.opt, config/arc/arc.opt,
13390         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
13391         notices.
13392
13393 2005-03-17  Ian Lance Taylor  <ian@airs.com>
13394
13395         * gmon.c: Remove.
13396
13397 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
13398
13399         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
13400         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
13401         (TARGET_HANDLE_OPTION): Override default.
13402         (arc_handle_option): New function.
13403         (arc_init): Remove code to set arch_cpu_string.
13404         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
13405         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
13406         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
13407         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
13408         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
13409         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
13410         (arc_rodata_string, TARGET_OPTIONS): Delete.
13411         * config/arc/arc.opt: New file.
13412
13413 2005-03-17  Richard Henderson  <rth@redhat.com>
13414
13415         * doc/extend.texi (Weak Pragmas): New section.
13416         (attribute alias): Clarify that target must be in the same
13417         translation unit.
13418
13419 2005-03-17  Richard Henderson  <rth@redhat.com>
13420
13421         * config/alpha/alpha.opt: New file.
13422         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
13423         of alpha_cpu.
13424         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
13425         alpha_fprm_string, alpha_fptm_string): Make static.
13426         (alpha_tls_size_string): Remove.
13427         (alpha_handle_option): New.
13428         (override_options): Update for alpha_cpu/alpha_tune split.
13429         (alpha_file_start): Likewise.
13430         (TARGET_DEFAULT_TARGET_FLAGS): New.
13431         (TARGET_HANDLE_OPTION): New.
13432         * config/alpha/alpha.h (alpha_tune): Declare.
13433         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
13434         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
13435         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
13436         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
13437         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
13438         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
13439         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
13440         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
13441         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
13442         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
13443         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
13444         (TARGET_DEFAULT): Remove MASK_FP.
13445         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
13446         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
13447         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
13448         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
13449         alpha_tls_size_string): Remove.
13450         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
13451         (attribute tune): Rename from attribute cpu.
13452         * config/alpha/ev4.md: Update to match.
13453         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
13454         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
13455         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
13456         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
13457         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
13458         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
13459
13460 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
13461
13462         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
13463         and return without creating new state if before_nops_num is nonzero.
13464         * config/ia64/ia64.md (first_insn): New attribute.
13465         (alloc): Set it to yes.
13466
13467 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13468
13469         * tree-vectorizer.c (new_vec_stmt_info): Initialize
13470         STMT_VINFO_SUBVARS to NULL.
13471         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
13472
13473 2005-03-16 Dale Johannesen  <dalej@apple.com>
13474
13475         * rtlanal.c (find_first_parameter_load):  Rewrite to
13476         return actual first param load or the call if none,
13477         instead of first in block, when not all loads exist.
13478
13479 2005-03-16  Roger Sayle  <roger@eyesopen.com>
13480
13481         * optabs.c (expand_copysign_absneg): Make static.
13482         * optabs.h (expand_copysign_absneg): Delete prototype.
13483         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
13484
13485 2005-03-16  Richard Henderson  <rth@redhat.com>
13486
13487         PR middle-end/15700
13488         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
13489         (alias_pairs): Rename from output_defs.
13490         (find_decl_and_mark_needed): Split out from assemble_alias.
13491         (do_assemble_alias): New.
13492         (assemble_output_def): Remove.
13493         (finish_aliases_1, finish_aliases_2): New.
13494         (process_pending_assemble_output_defs): Remove.
13495         (assemble_alias): Defer aliases for which we don't yet have a
13496         non-external decl for the target symbol.
13497         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
13498         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
13499         * toplev.c (compile_file): Use finish_aliases_2 instead of
13500         process_pending_assemble_output_defs.
13501         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
13502         (process_pending_assemble_output_defs): Remove.
13503
13504 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13505
13506         Fix PR tree-optimization/20489
13507
13508         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
13509         for empty structures.
13510
13511 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13512
13513         Fix PR tree-optimization/20490
13514
13515         * tree-ssa-pre.c (create_expression_by_pieces): Use
13516         force_gimple_operand on result of fold.
13517
13518 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
13519
13520         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
13521         of closing parenthesis.
13522
13523 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
13524
13525         * builtins.c (expand_movstr): Update a call to
13526         fold_builtin_strcpy.
13527         (expand_builtin_strncpy): Update a call to
13528         fold_builtin_strncpy.
13529         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
13530         arguments of CALL_EXPR.
13531         (fold_builtin_1): Update calls to fold_builtin_strcpy and
13532         fold_builtin_strncpy.
13533         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13534         * tree.h: Update the prototypes of fold_builtin_strcpy and
13535         fold_builtin_strncpy.
13536
13537 2005-03-16  Steven Bosscher  <stevenb@suse.de>
13538             Dorit Naishlos  <dorit@il.ibm.com>
13539
13540         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
13541         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
13542         error.
13543
13544 2005-03-16  Steven Bosscher  <stevenb@suse.de>
13545
13546         * tree-inline.c (walk_type_fields, walk_tree,
13547         walk_tree_without_duplicates): Move from here...
13548         * tree.c: ...to here.
13549
13550 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
13551
13552         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
13553         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
13554         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
13555         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
13556         (version): Define using $(BASEVER_c).
13557         (Makefile, config.status, build/gcov-iov.o): No longer depends on
13558         version.c.
13559         (version.o): Depend on version files; add custom generation command.
13560         (prefix.o): Define BASEVER on command line.
13561         (s-iov): Depend on version files; adjust command.
13562         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
13563         Add gcc-vers.texi.
13564         (gcc-vers.texi): New rule.
13565         (doc/%.info, doc/%.dvi): Add -I . to command line.
13566         (doc/gccinstall.dvi): Likewise.
13567         (PACKAGE): Delete.  All uses replaced with "gcc".
13568         * aclocal.m4: Do not include gcc-version.m4.
13569         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
13570         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
13571         Set is_release based on contents of DEV-PHASE.
13572         Set gcc_version based on contents of BASE-VER.
13573         Define WIN32_REGISTRY_KEY only if the user overrode the default.
13574         * config.in, configure: Regenerate.
13575         * gccbug.in: Determine version of GCC in use at runtime.
13576         * gcov-iov.c: Get version number and development phase from
13577         command line, not by including version.c.
13578         * intl.c: Replace all uses of PACKAGE with "gcc".
13579         * libada-mk.in: Delete unused "gcc_version" variable.
13580         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
13581         * version.c: (VERSUFFIX): New hook for redistributors; adjust
13582         commentary to match.
13583         (version_string): Put together from pieces.
13584         * config/alpha/x-vms: Do not use $(gcc_version).
13585         * config/i386/t-nwld: Likewise.
13586         * doc/include/gcc-common.texi: Include gcc-vers.texi for
13587         version-GCC and DEVELOPMENT.
13588
13589 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13590
13591         PR tree-optimization/17454
13592         * tree.c (tree_size): Add case for TREE_BINFO.
13593         * fold-const.c (fold_checksum_tree): Only clear the overloaded
13594         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
13595
13596 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13597
13598         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
13599         op1 whilst expanding the signed widenening multiply variant.
13600
13601 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
13602
13603         * toplev.c (display_target_options): Avoid unused variable warning if
13604         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
13605         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
13606         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
13607         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
13608         (mips_isa_info): New variable.
13609         (mips_parse_cpu): Remove the first argument and leave the caller
13610         to report errors.
13611         (TARGET_HANDLE_OPTION): Override default.
13612         (mips_handle_option): New function.  Move option validation code from...
13613         (override_options): ...here.  Update calls to mips_parse_cpu.
13614         * config/mips/mips.h (mips_arch_string, mips_tune_string)
13615         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
13616         (SUBTARGET_TARGET_OPTIONS): Delete.
13617         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
13618         (mno-flush-func, mtune=): New options.
13619
13620 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13621             Richard Henderson  <rth@redhat.com>
13622
13623         * real.c (c4x_single_format, c4x_extended_format): Provide values
13624         for signbit_ro for c4x's single and extended floating point formats.
13625         * optabs.c (expand_copysign): Use the floating point format's
13626         signbit_ro for expanding via expand_copysign_absneg, and it's
13627         signbit_rw field for expanding via expand_copysign_bit.
13628
13629 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
13630
13631         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
13632         known_alignment_for_access_p.
13633         (known_alignment_for_access_p): New.
13634         (do_peeling_for_alignment): Field made int instead of bool and renamed
13635         to peeling_for_alignment.
13636         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
13637         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
13638         functionality used to be in vect_analyze_operations.
13639         (vect_analyze_operations): Code to determine vectorization factor was
13640         moved to vect_determine_vectorization_factor.
13641         (vect_enhance_data_refs_alignment): Update to correct alignment when it
13642         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
13643         factor.
13644         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
13645         be part of vect_analyze_operations).
13646         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
13647         creating the guard condition, as the number of iterations may be
13648         constant.
13649         (slpeel_tree_peel_loop_to_edge): Use new name of
13650         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
13651         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
13652         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
13653         (vect_do_peeling_for_alignment): Use fold.
13654         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
13655
13656         (vect_update_inits_of_dr): Renamed to
13657         vect_update_init_of_dr.
13658         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
13659         (vectorizable_store): Fix assertion to use == instead of =.
13660
13661 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
13662
13663         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
13664         call_used_regs for wCG registers.
13665
13666 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
13667
13668         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
13669         for non-offsettable memory references to cope with outstanding reload
13670         replacements, take 2.
13671
13672 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
13673
13674         PR target/18668
13675         * config/i386/i386.h (x86_fisttp): New.
13676         (TARGET_FISTTP): New macro.
13677         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
13678         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
13679         instruction when fisttp flag is set.
13680         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
13681
13682         * config/i386/i386.md (type attribute): Add fisttp.
13683         (unit attribute): Set to i387 for fisttp type.
13684         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
13685         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
13686         TARGET_FISTTP.
13687         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
13688         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
13689         macros.
13690         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
13691         patterns for TARGET_FISTTP.  Enable patterns for
13692         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
13693         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
13694         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
13695         implement fisttp x87 insn.
13696         (fix_trunc*_i387_fisttp splitters): New patterns.
13697         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
13698         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
13699         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
13700         clobber.
13701         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
13702         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
13703         Implement using mode macros. Disable patterns for TARGET_FISTTP.
13704         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
13705         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
13706         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
13707         Disable patterns for TARGET_FISTTP.
13708         (fix_trunc*_i387 splitters): Implement usign mode macros.
13709         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
13710         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
13711         (fix_trunx*_sse peephole2s): Implement using mode macros.
13712
13713 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
13714
13715         PR rtl-optimization/20291
13716         * combine.c (try_combine): If splitting fails, re-try with
13717         original combined pattern, i.e. before clobber stripping.
13718
13719 2005-03-14  Eric Christopher  <echristo@redhat.com>
13720
13721         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
13722         STACK_GROWS_DOWNWARD.
13723
13724 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13725
13726         * real.h (struct real_format): Split the signbit field into two
13727         two fields, signbit_ro and signbit_rw.
13728         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
13729         mips_double_format, ieee_extended_motorola_format,
13730         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
13731         ieee_extended_intel_128_format, ibm_extended_format,
13732         mips_extended_format, ieee_quad_format, mips_quad_format,
13733         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
13734         i370_double_format, c4x_single_format, c4x_extended_format,
13735         real_internal_format): Update initializers for new field.
13736         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
13737         real_format structure.
13738         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
13739         field of the real_format structure.
13740
13741 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
13742
13743         Fix PR tree-optimization/20458
13744
13745         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
13746         DECL_EXTERNAL on STRUCT_FIELD tags.
13747         (clear_call_clobbered): Ditto.
13748         * tree-ssa-operands.c (note_addressable): Make sure the original
13749         variable doesn't slip into the addressable list if we have
13750         subvars.
13751         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
13752         tags too.
13753
13754 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
13755
13756         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
13757         (-fwide-exec-charset): Likewise.
13758         (-finput-charset): Likewise.
13759         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
13760         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
13761         * c.opt (Wnormalized): New.
13762
13763 2005-03-14  Devang Patel  <dpatel@apple.com>
13764
13765         * doc/invoke.texi: Add reference to Visibility document.
13766
13767 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13768
13769         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
13770         MASK_SPLIT_ADDRESSES.
13771         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
13772         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
13773         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
13774         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
13775         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
13776         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
13777         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
13778         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
13779         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
13780         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
13781         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
13782         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
13783         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
13784         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
13785         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
13786         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
13787         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
13788         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
13789         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
13790         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
13791         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
13792         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
13793         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
13794         (TARGET_EXPLICIT_RELOCS): Delete.
13795         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
13796         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
13797         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
13798         (override_options): Set MASK_LONG64 if -mint64 is given and no
13799         -mlongXX option is.  Complain about -mint64 -mlong32.
13800         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
13801         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
13802         * config/mips/mips.opt: New file.
13803
13804 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13805
13806         * config.gcc (extra_options): New variable for listing option files.
13807         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
13808         * configure.ac (extra_opt_files): New AC_SUBST variable.
13809         (tm_file_list, tm_include_list): Include options.h first.
13810         * configure: Regenerate.
13811         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
13812         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
13813         (s-options-h): New rule.
13814         (options.h): Depend on it.
13815         (TEXI_GCCINT_FILES): Add options.texi.
13816         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
13817         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
13818         * target.h (gcc_target): Add default_target_flags and handle_option.
13819         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
13820         (TARGET_HANDLE_OPTION): New macros.
13821         (TARGET_INITIALIZER): Include them.
13822         * opt-functions.awk (opt_args, nth_arg): New functions.
13823         (switch_flags): Handle the "Target" flag.
13824         (var_args): Delete.
13825         (var_name): Use opt_args and nth_arg.
13826         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
13827         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
13828         macros for the "Mask" and "InverseMask" options.
13829         * opts.h (cl_var_cond): New enum.
13830         (cl_option): Replace the "has_set_value" and "set_value" fields with
13831         "var_cond" and "var_value".
13832         (CL_TARGET): New macro.
13833         (option_enabled, print_filtered_help): Declare.
13834         (decode_options): Move definition.
13835         * opts.c (handle_option): Search for the original option before
13836         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
13837         var_cond and var_value fields.  Use targetm.handle_option to handle
13838         target options.
13839         (decode_options): Set target_flags to targetm.default_target_flags.
13840         (print_filtered_help): Make global.  Handle CL_TARGET.
13841         (option_enabled): New function.
13842         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
13843         (display_target_options, set_target_switch, print_switch_values)
13844         (default_pch_valid_p): Guard uses of target_switches with
13845         #ifdef TARGET_SWITCHES.  Also...
13846         (display_target_options): Display the CL_TARGET entries in cl_options.
13847         (set_target_option): Don't complain about the "" option when
13848         TARGET_SWITCHES is undefined.
13849         (print_switch_values): Use option_enabled.
13850         (default_pch_valid_p): Check cl_options[] when looking for something
13851         that has changed the value of target_flags.
13852         * c.opt: Remove documentation from top of file.
13853         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
13854         * doc/sourecebuild.texi: Refer to the new options documentation
13855         instead of c.opt.  Document machine-specific .opt files.
13856         * doc/tm.texi (target_flags): Say that this variable is declared
13857         by options.h.
13858         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
13859         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
13860         an alternative.
13861         * doc/options.texi: New file.
13862
13863 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13864
13865         PR middle-end/18628
13866         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
13867         register.
13868
13869 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13870
13871         PR c++/20280
13872         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
13873         temporary variable of pointer type if an lvalues is required.
13874         (gimplify_modify_expr_rhs): Request an rvalue from it.
13875         (gimplify_expr): Pass fallback on.
13876
13877 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13878
13879         * cfgbuild.c: Update comments.
13880
13881 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13882
13883         PR rtl-optimization/17236
13884         * optabs.c (expand_doubleword_mult): New helper function split out
13885         from expand_binop.  Permute the order in which instructions are
13886         emitted to minimize the number of simultaneously live registers.
13887         (expand_binop): Call expand_doubleword_mult to synthesize a double
13888         word multiplication.
13889
13890 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13891
13892         * basic-block.h: Update the prototypes of cached_make_edge and
13893         rtl_make_eh_edge.
13894         * cfg.c (cached_make_edge): Take edge_cache representing one
13895         row of the adjacency matrix of edges.
13896         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
13897         (make_edges): Initialize edge_cache to represent one row of
13898         the adjacency matrix of edges.
13899
13900 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13901
13902         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
13903         New functions.
13904         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
13905         Remove unused removed_phis variable.
13906         (conditional_replacement): Use build1/build2.
13907         (abs_replacement): Use last_and_only_stmt and build1/build2.
13908
13909 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13910
13911         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
13912         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
13913         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
13914         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
13915         * c-common.c (handle_novops_attribute): New function.
13916         (c_common_attribute_table): Add "no vops" entry.
13917         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
13918         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
13919         * tree-ssa-operands.c (get_call_expr_operands): Do not
13920         create virtual operands for calls with ECF_NOVOPS flag.
13921         * tree.h (DECL_IS_NOVOPS): New macro.
13922         (struct tree_decl): Add novops_flag.
13923         (ECF_NOVOPS): New constant.
13924
13925 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
13926
13927         PR target/17688
13928         * config/i386/i386.c (x86_use_himode_fiop): New.
13929         (x86_use_simode_fiop): Rename from x86_use_fiop.
13930         * config/i386/i386.h (x86_use_himode_fiop): Declare.
13931         (TARGET_USE_HIMODE_FIOP): New.
13932         (x86_use_simode_fiop): Rename from x86_use_fiop.
13933         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
13934
13935         * config/i386/i386.md (X87MODEI12): New mode macro define.
13936         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
13937         to implement x87 FP compare with HImode input operands.
13938         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
13939         Use X87MODEI12 mode macro to handle HImode input operands.
13940         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
13941         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
13942         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
13943         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
13944         macro to implement x87 operators with HImode input operands.
13945         (fop splitters): Use X87MODEI12 mode macro to handle HImode
13946         input operands.
13947
13948 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13949
13950         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
13951         integer_zerop.
13952         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
13953         constants invariant.
13954
13955 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13956
13957         * basic-block.h (BB_VISITED): Removed.
13958         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
13959
13960 2005-03-14  Falk Hueffner  <falk@debian.org>
13961
13962         PR bootstrap/20424
13963         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
13964
13965 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13966
13967         * ggc-zone.c: Fix comment typos.
13968
13969         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
13970         stringpool.c, config/mips/mips-protos.h: Update copyright.
13971
13972 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13973
13974         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
13975         throughout with its typedef, "rtx".
13976         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
13977         (rs6000_tls_symbol_ref_1): Remove inline keyword.
13978         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
13979         regs in comment to match code.
13980
13981 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13982
13983         * except.c (check_handled): Make it static.
13984         * except.h: Remove the corresponding prototype.
13985
13986         * function.c (get_func_frame_size): Make it static.
13987         * function.h: Remove the corresponding type.
13988
13989         * regclass.c (reg_class_superclasses, reg_class_subclasses):
13990         Make them static.
13991         * hard-reg-set.h: Remove the corresponding declarations.
13992
13993         * tree-cfg.c (verify_stmts): Check that
13994         bb_for_stmt (stmt) == bb for every PHI node and statement.
13995
13996 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13997
13998         * config.gcc: Remove excess indentation.
13999         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
14000
14001 2005-03-13  Roger Sayle  <roger@eyesopen.com>
14002
14003         PR middle-end/19331
14004         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
14005         * fold-const.c (fold_sign_changed_comparison): Likewise.
14006         (fold_binary): Optimize comparisons against widened operands if
14007         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
14008
14009 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14010
14011         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
14012         (sparc_override_options): Initialize it.
14013         (sparc_struct_value_rtx): Set it on the MEM to be returned.
14014
14015 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
14016
14017         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
14018         (reg_or_none500mem_operand): New predicate.
14019         (zero_reg_mem_operand): New predicate.
14020         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
14021         to reg_or_none500mem_operand.
14022         (extendsfdf2_fpr): Add MEM alternative.
14023         (extenddftf2_internal): Change operand2 predicate to
14024         zero_reg_mem_operand.
14025
14026 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
14027
14028         * ggc-zone.c: Rewritten.
14029
14030         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
14031         if there are none.
14032         * configure.ac: Define GGC_ZONE for --with-gc=zone.
14033         * config.in: Regenerated.
14034         * configure: Regenerated.
14035         * gengtype.c (write_types_process_field, write_func_for_structure):
14036         Pass new argument to gt_pch_note_object.
14037         * ggc-common.c (struct ptr_data): Add TYPE.
14038         (gt_pch_note_object): Take TYPE argument and save it.
14039         (call_count): Update call to ggc_pch_count_object.
14040         (call_alloc): Update call to ggc_pch_alloc_object.
14041         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
14042         file.
14043         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
14044         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
14045         (ggc_alloc_zone_stat): Delete.
14046         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
14047         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
14048         (ggc_pch_alloc_object): Update prototypes.
14049         (garbage_zone): Delete.
14050         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
14051         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
14052         pointers.
14053         (tree_id_zone): New variable.
14054         (ggc_alloc_cleared_zone): Remove unused.
14055         (ggc_alloc_zone): Define.
14056         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
14057         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
14058         ggc_alloc_zone_stat.
14059         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
14060         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
14061         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
14062         (make_node_stat): Likewise.  Use tree_id_zone.
14063
14064 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
14065             Joseph S. Myers  <joseph@codesourcery.com>
14066
14067         * configure.ac: Check for MIPS TLS.
14068         * configure: Regenerated.
14069         * config/mips/mips-protos.h (enum mips_symbol_type): Add
14070         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
14071         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
14072         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
14073         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
14074         (mips_classify_symbol, mips_symbolic_constant_p)
14075         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
14076         (mips_tls_operand_p, mips_call_tls_get_addr)
14077         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
14078         (mips_tls_symbol_ref_1): New functions.
14079         (mips_legitimize_address, mips_legitimize_const_move): Call
14080         mips_legitimize_tls_address.
14081         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
14082         for MIPS16.
14083         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
14084         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
14085         (mips_char_to_class): Document V1_REG.
14086         (HAVE_AS_TLS): Provide default.
14087         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
14088         constants.
14089         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
14090         !TARGET_ABICALLS.
14091         (tls_get_tp_<mode>): New instruction.
14092
14093 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
14094
14095         * configure.ac: Update checks for target tools.
14096         * configure: Regenerated.
14097
14098 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
14099
14100         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
14101
14102 2005-03-13  Roger Sayle  <roger@eyesopen.com>
14103
14104         * expmed.c (expand_mult): Use synthetic multiplication sequences for
14105         more classes of DImode multiplication by constant.  Allow both
14106         multiplication by small negative constants (by performing a
14107         multiplication by a positive constant and negating the result) and
14108         multiplications by large powers of two, by using a left shift.
14109
14110 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
14111
14112         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
14113         of basic blocks into work_stack.
14114
14115         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
14116         config/mips/vr.h: Update copyright.
14117
14118         * c-decl.c (c_init_decl_processing): Remove useless calls to
14119         build_function_type.
14120
14121         * builtins.c (fold_trunc_transparent_mathfn,
14122         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
14123         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
14124         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
14125         fold_builtin_strcpy, fold_builtin_strncpy,
14126         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
14127         TREE_TYPE (exp).
14128
14129         * builtins.c (expand_builtin_mathfn_3): Remove local variable
14130         before_call.
14131
14132         * lambda-code.c (lambda_compute_auxillary_space): Remove local
14133         variable determinant.
14134
14135         * tree-cfg.c (group_case_labels): Remove local variable type.
14136
14137         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
14138         variable ann.
14139
14140         * tree-ssa-phiopt.c (value_replacement): Remove local variable
14141         result.
14142
14143 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
14144
14145         PR target/18251
14146         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
14147         (*movmemqi_insn): Delete.
14148         (*movmemhi): Delete.
14149
14150 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
14151
14152         * builtins.c (fold_builtin_classify): Take decomposed
14153         arguments of CALL_EXPR.
14154         (fold_builtin_1): Update a call to fold_builtin_classify.
14155
14156 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
14157
14158         PR c/20402
14159         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
14160         through into call to parser_xref_tag after parse error.
14161         (c_parser_struct_declaration): Consistently return NULL_TREE on
14162         error.
14163
14164 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
14165
14166         * tree-flow-inline.h (ref_contains_array_ref): New function.
14167         (lookup_subvars_for_var): Ditto.
14168         (get_subvars_for_var): Ditto.
14169         (var_can_have_subvars): Ditto.
14170
14171         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
14172         (struct subvar): New type.
14173
14174         * tree-dfa.c (okay_component_ref_for_subvars): New function.
14175
14176         * tree-optimize.c (init_tree_optimization_passes): Call
14177         pass_create_structure_vars.
14178
14179         * tree-ssa-alias.c: Include vec.h.
14180         (init_alias_info): Don't auto-clear call clobbered on struct-field
14181         tags.
14182         (compute_flow_insensitive_aliasing): Handle subvars.
14183         (group_aliases): Handle STRUCT_FIELD aliases.
14184         (setup_pointers_and_addressables): Ditto.
14185         Don't mark variables non-addressable if they still have
14186         addressable subvars.
14187         Also mark subvars addressable when the real variable is marked
14188         addressable.
14189         (add_pointed_to_var): Try to prune the pointed-to set by only
14190         pointing to subvars when possible.
14191         Otherwise, make sure we set addresses_needed and pt_vars to
14192         properly include subvars.
14193         (bitpos_of_field): New function.
14194         (push_fields_onto_fieldstack): Ditto.
14195         (get_or_create_used_part_for): Ditto.
14196         (create_overlap_variables_for): Ditto.
14197         (find_used_portions): Ditto.
14198         (create_structure_vars): Ditto.
14199         (pass_create_structure_vars): New structure.
14200
14201         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
14202         (get_expr_operands): Handle subvars.  Also try to turn
14203         COMPONENT_REF accesses into must-defs now that we can accurately
14204         portray it.
14205         (note_addressable): Try to only mark as addressable those subvars
14206         we know a COMPONENT_REF touches.
14207         (overlap_subvar): New function.
14208
14209         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
14210         Handle subvar storing.
14211         (vect_address_analysis): Update caller of vect_object_analysis.
14212
14213         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
14214
14215         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
14216         (STMT_VINFO_SUBVARS): New macro.
14217
14218         * common.opts: add flag_tree_salias.
14219
14220         * opts.c (decode_options): flag_tree_salias defaults to on.
14221
14222         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
14223
14224         * doc/tree-ssa.texi: Document structural alias analysis.
14225
14226 2005-03-12  Steven Bosscher  <stevenb@suse.de>
14227
14228         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
14229         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
14230         * tree-ssa-operands.c (get_expr_operands): Likewise.
14231         (get_expr_operands): Likewise for ERROR_MARK.
14232
14233 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
14234
14235         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
14236         var.
14237
14238         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
14239         removed_phis.
14240
14241         * tree-ssa-pre.c (compute_avail): Remove local variable val.
14242         (mark_operand_necessary): Remove local variable ver.
14243
14244         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
14245         variable prefix_len.
14246
14247         * value-prof.c (mod_subtract_transform): Remove local variable
14248         value.
14249
14250         * builtins.c (fold_builtin_exponent): Take decomposed
14251         arguments of CALL_EXPR.
14252         (fold_builtin_1): Update a call to fold_builtin_exponent.
14253
14254         * builtins.c (fold_builtin_logarithm): Take decomposed
14255         arguments of CALL_EXPR.
14256         (fold_builtin_1): Update a call to fold_builtin_logarithm.
14257
14258         * c-decl.c (c_init_decl_processing): Remove local variables
14259         ptr_ftype_void and ptr_ftype_ptr.
14260
14261         * gimplify.c (gimplify_expr): Remove local variables r0 and
14262         r1.
14263
14264         * reg-stack.c (move_for_stack_reg): Remove local variable
14265         push_insn.
14266         (compare_for_stack_reg): Remove local variable flags_user.
14267         (convert_regs_1): Remove local variable deleted.
14268
14269         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
14270         variable new_cond.
14271         (combine_blocks): Remove local variables exits and new_e.
14272
14273         * tree-inline.c (expand_call_inline): Remove local variable
14274         decl.
14275
14276         * tree-ssa-live.c (create_ssa_var_map,
14277         calculate_live_on_entry): Remove local variable snn.
14278
14279 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
14280
14281         * c-lex.c (c_lex_with_flags): Add parameter to call to
14282         cpp_spell_token.
14283
14284 2005-03-11  Per Bothner  <per@bothner.com>
14285
14286         * c-tree.h (struct c_declarator): New id_loc field.
14287         * c-pragma.h (c_lex_with_flags): Take position reference.
14288         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
14289         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
14290         (c_lex): Pass dummy location to c_lex_with_flags.
14291         * c-parser.c (c_lex_one_token): Set c_token's location using
14292         c_lex_with_flags, instead of input_location, which might be "ahead".
14293         (c_parser_direct_declarator): Set declarator's id_loc from
14294         c_token's id_loc.
14295         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
14296         declarator's id_loc, rather than probably-imprecise input_location.
14297         (build_id_declarator): Initialize c_declarator's id_loc field.
14298
14299 2005-03-11  Roger Sayle  <roger@eyesopen.com>
14300
14301         PR middle-end/20419
14302         * builtins.c (expand_builtin_signbit): Force the signbit's word
14303         into an integer register to avoid SUBREGs of floating point modes.
14304
14305 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
14306
14307         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
14308         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
14309         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
14310         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
14311
14312 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
14313
14314         PR rtl-optimization/20306
14315         * expr.c (emit_move_complex): Set try_int false if mode is
14316         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
14317         emit_block_move if try_int is true.
14318
14319 2005-03-11  Richard Henderson  <rth@redhat.com>
14320
14321         PR target/20415
14322         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
14323         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
14324         to match.
14325
14326 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
14327
14328         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
14329         (TARGET_FIX_VR4130): New macro.
14330         (TARGET_OPTIONS): Add -mfix-vr4130.
14331         (ISA_HAS_MACCHI): New macro.
14332         (ASM_SPEC): Add -mfix-vr4130.
14333         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
14334         (override_options): Handle mips_fix_vr4130_string.
14335         (mips_avoid_hazards): Clear all_noreorder_p
14336         if we're working around VR4130 errata and the macc alternatives
14337         are not available.
14338         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
14339         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
14340         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
14341         (MULTILIB_DEFAULTS): Remove leading "march=".
14342         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
14343         if no architecture option is given.
14344         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
14345         VR4130 multilibs.
14346         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
14347         * doc/invoke.texi: Document -mfix-vr4130.
14348
14349 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
14350
14351         * config/mips/mips.c (override_options): Only warn about -mint64
14352         deprecation if TARGET_INT64.
14353
14354 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14355
14356         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
14357         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
14358         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
14359         are non-specific regarding the nonnull parameter positions.
14360         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
14361         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
14362         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
14363         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
14364
14365         * builtins.def: Use the non-specific "nonnull" attibute lists.
14366
14367 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
14368
14369         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
14370         single_pred_edge, single_succ, single_pred): Improve comments.
14371
14372 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
14373
14374         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
14375         single_pred_edge, single_succ, single_pred): New inline functions.
14376         * bb-reorder.c (rotate_loop, find_traces_1_round,
14377         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
14378         duplicate_computed_gotos): Use the single_succ/pred functions.
14379         * cfganal.c (forwarder_block_p): Ditto.
14380         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
14381         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
14382         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
14383         merge_seq_blocks): Ditto.
14384         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
14385         * cfglayout.c (fixup_reorder_chain): Ditto.
14386         * cfgloop.c (mark_single_exit_loops, update_latch_info,
14387         canonicalize_loop_headers, verify_loop_structure): Ditto.
14388         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
14389         mfb_update_loops, create_preheader, force_single_succ_latches,
14390         create_loop_notes): Ditto.
14391         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
14392         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
14393         commit_one_edge_insertion, purge_dead_edges,
14394         cfg_layout_can_merge_blocks_p): Ditto.
14395         * except.c (sjlj_emit_function_enter): Ditto.
14396         * flow.c (init_propagate_block_info): Ditto.
14397         * function.c (thread_prologue_and_epilogue_insns): Ditto.
14398         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
14399         insert_insn_end_bb): Ditto.
14400         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
14401         find_if_case_2): Ditto.
14402         * lambda-code.c (perfect_nestify): Ditto.
14403         * lcm.c (optimize_mode_switching): Ditto.
14404         * loop-doloop.c (doloop_modify): Ditto.
14405         * loop-init.c (loop_optimizer_init): Ditto.
14406         * loop-iv.c (simplify_using_initial_values): Ditto.
14407         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
14408         * loop-unswitch.c (unswitch_loop): Ditto.
14409         * modulo-sched.c (generate_prolog_epilog): Ditto.
14410         * predict.c (combine_predictions_for_insn, estimate_probability,
14411         tree_estimate_probability, last_basic_block_p,
14412         estimate_bb_frequencies): Ditto.
14413         * profile.c (branch_prob): Ditto.
14414         * regrename.c (copyprop_hardreg_forward): Ditto.
14415         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
14416         * tracer.c (layout_superblocks): Ditto.
14417         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
14418         cfg_remove_useless_stmts_bb, cleanup_control_flow,
14419         cleanup_control_expr_graph, disband_implicit_edges,
14420         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
14421         tree_verify_flow_info, tree_make_forwarder_block,
14422         tree_forwarder_block_p, remove_forwarder_block,
14423         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
14424         * tree-if-conv.c (tree_if_conversion): Ditto.
14425         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
14426         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
14427         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
14428         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
14429         copy_loop_headers): Ditto.
14430         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
14431         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
14432         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
14433         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
14434         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
14435         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
14436         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
14437         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
14438         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
14439         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
14440         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
14441         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
14442         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
14443         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
14444         slpeel_add_loop_guard): Ditto.
14445
14446 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
14447
14448         PR tree-optimization/15784
14449         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14450         and -1 - A to ~A.
14451
14452         * stmt.c (expand_case): Don't change index_type.  Convert minval
14453         to the proper type.
14454
14455         PR tree-optimization/20130
14456         * fold-const.c (fold): Fold x * -1 into -x.
14457
14458 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14459
14460         PR rtl-optimization/20331
14461         * rtlanal.c (modified_between_p): Check its address first for MEM.
14462         (modified_in_p): Likewise.
14463
14464 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
14465
14466         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
14467
14468 2005-03-10  Steven Bosscher  <stevenb@suse.de>
14469
14470         * expr.c (expand_expr_real_1): If possible, use a conditional
14471         move for expanding MIN_EXPR and MAX_EXPR.
14472         Use temp for moving around rtx-en.
14473
14474 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
14475
14476         PR rtl-opt/20412
14477         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
14478         correct mode.
14479
14480 2005-03-10  Roger Sayle  <roger@eyesopen.com>
14481
14482         * builtins.c (expand_builtin_signbit): Extend to handle floating
14483         point modes wider than the largest integer type, using the
14484         operand_subword_force function to obtain the signbit's word.
14485
14486 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
14487
14488         PR target/20322
14489         * combine.c (try_combine): If recog_for_combine added CLOBBERs
14490         to NEWI2PAT, fail to combine if they are used by NEWPAT.
14491
14492 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
14493
14494         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
14495
14496 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
14497
14498         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
14499         type void.
14500         (perform_edge_inserts): Unconditionally call
14501         free_dominator_info.
14502
14503         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
14504
14505 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
14506
14507         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
14508
14509 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
14510
14511         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
14512
14513         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
14514         gcc_unreachable.
14515         (rtl_register_value_prof_hooks,
14516         tree_value_profile_transformations,
14517         tree_register_value_prof_hooks): Likewise.
14518         * var-tracking.c (stack_adjust_offset_pre_post,
14519         variable_htab_free, variable_union, dataflow_set_different_2,
14520         count_uses, variable_was_changed, set_frame_base_location,
14521         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
14522         vt_add_function_parameters): Likewise.
14523         * varasm.c (named_section_real, named_section, make_decl_rtl,
14524         asm_emit_uninitialised, assemble_integer, decode_addr_const,
14525         const_hash_1, compare_constant, copy_constant, force_const_mem,
14526         output_constant_pool_2, output_constant_pool_1, output_constant,
14527         output_constructor, make_decl_one_only, decl_tls_model,
14528         default_no_named_section, default_elf_select_section_1,
14529         default_unique_section_1): Likewise.
14530         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
14531         * vmsdbgout.c (addr_const_to_string): Likewise.
14532
14533         PR c++/20375
14534         * function.c (struct assign_parm_data_one): Remove last_named
14535         field.
14536         (assign_parm_find_data_types): Don't determine last_named.
14537         Reorder named_parm determination.
14538         (assign_parms): Only setup varargs on the last non-varadic
14539         parameter.
14540
14541 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
14542
14543         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
14544         sda base address on medium model.
14545
14546 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
14547
14548         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
14549         * cfgloop.c (flow_loop_nodes_find): Export.
14550         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
14551         Declare.
14552         * cfgloopmanip.c (fix_loop_structure): New function.
14553         * predict.c (predict_loops): Clean up the loops information.
14554         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
14555         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
14556         loop structure.
14557         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
14558         (rewrite_into_loop_closed_ssa): Declaration changed.
14559         * tree-loop-linear.c (linear_transform_loops): Add argument to
14560         rewrite_into_loop_closed_ssa call.
14561         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14562         * tree-ssa-loop-im.c (move_computations): Ditto.
14563         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14564         * tree-vectorizer.c (vectorize_loops): Ditto.
14565         * tree-optimize.c: Include cfgloop.h.
14566         (execute_todo): Choose whether to call cleanup_tree_cfg or
14567         cleanup_tree_cfg_loop.
14568         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
14569         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
14570         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
14571         cleanup_tree_cfg_loop call.
14572         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
14573         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
14574         work on part of cfg.
14575
14576 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
14577
14578         PR inline-asm/20314
14579         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
14580         with multiple alternatives.
14581
14582         * stmt.c (parse_output_constraint): Fix a typo.
14583
14584 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
14585
14586         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
14587         assembly directive instead of deprecated "no-generics".
14588
14589 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
14590
14591         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
14592         for non-offsettable memory references to cope with outstanding reload
14593         replacements.
14594         * config/s390/s390.md ("reload_outti"): Call find_replacement to
14595         avoid losing outstanding address reloads.
14596         ("reload_outdi", "reload_outdf"): Likewise.
14597
14598 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14599
14600         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
14601         code.  Add more cbrt transformations.
14602
14603 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14604
14605         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
14606
14607 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
14608
14609         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
14610         NULL_TREE when a given tree is not simplified.
14611         (fold): Return the original tree when any of the functions
14612         mentioned above NULL_TREE.
14613
14614         * fold-const.c (fold_unary, fold_binary): Take decomposed
14615         arguments, code, type, op0, and op1 in case of fold_binary.
14616         (fold): Update calls to fold_unary and fold_binary.
14617
14618 2005-03-09  Roger Sayle  <roger@eyesopen.com>
14619
14620         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
14621         a fndecl and an arglist instead of a CALL_EXPR, exp.
14622
14623 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
14624
14625         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
14626
14627         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
14628
14629         * expr.c (expand_assignment): Remove orig_to_rtx.
14630
14631         * fold-const.c (int_const_binop): Remove no_overflow.
14632
14633         * ifcvt.c (noce_emit_move_insn): Remove inmode.
14634
14635         * loop-iv.c (get_biv_step_1): Remove lhs.
14636
14637         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
14638
14639         * real.c (real_nan): Remove neg.
14640
14641         * function.c (thread_prologue_and_epilogue_insns): Remove i
14642         and newinsn.
14643
14644         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
14645         tb.
14646
14647         * tree-eh.c (tree_could_trap_p): Remove idx.
14648
14649         * tree-into-ssa.c (ann): Remove ann.
14650
14651         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
14652
14653         * tree-sra.c (decide_block_copy): Remove inst_count.
14654
14655         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
14656
14657         * tree-ssa-loop-im.c (lhs): Remove.
14658
14659         * cfgbuild.c (state, STATE, SET_STATE,
14660         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
14661         make_edges.
14662         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
14663         (find_basic_blocks): Set the state of each basic block to
14664         BLOCK_NEW.
14665
14666 2005-03-08  Jeff Law  <law@redhat.com>
14667
14668         * tree-cfg.c (cleanup_control_flow): If removal of a computed
14669         goto results in the removal of edges in the CFG, then we need
14670         to recompute dominators.
14671
14672 2005-03-09  Ben Elliston  <bje@au.ibm.com>
14673
14674         * c-common.c (c_do_switch_warnings): Comment fix.
14675
14676 2005-03-08  Julian Brown  <julian@codesourcery.com>
14677
14678         * Patch from 2005-03-08 reverted for causing regressions and
14679         ppc-darwin bootstrap failure.
14680
14681 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
14682
14683         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
14684         Define the real function for ppc-darwin.
14685         * c-typeck.c (convert_arguments): Check for target-specific
14686         invalid argument call to unprototyped function.
14687         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
14688         New Macro.
14689         * target.h (invalid_arg_for_unprototyped_fn): New field
14690         in struct calls.
14691         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
14692         default target hook.
14693         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
14694         Declare.
14695
14696 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14697
14698         * c-typeck.c (constructor_stack, constructor_range_stack,
14699         initializer_stack): Make them static.
14700
14701         * cfg.c (rbi_pool): Make it static.
14702
14703         * gimple-low.c (lower_stmt_body): Make it static.
14704         * tree-flow.h: Remove the corresponding prototype.  Don't
14705         declare lower_data.
14706
14707         * sched-deps.c (cache_size): Make it static.
14708
14709         * stor-layout.c (lang_adjust_rli): Make it static.
14710
14711 2005-03-08  Julian Brown  <julian@codesourcery.com>
14712
14713         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
14714         from being used for symbols with vague linkage when
14715         HAVE_GAS_COMDAT_GROUP is true.
14716
14717 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
14718
14719         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
14720         nlabel == JUMP_LABEL (jump).
14721
14722 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14723
14724         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
14725         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
14726         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
14727         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
14728
14729 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
14730
14731         PR c/14411
14732         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
14733         * c-common.c (handle_returns_twice): New function.
14734         (c_common_attribute_table): Declare eturns_twice' attribute.
14735         * doc/extend.texi: Document eturns_twice' attribute.
14736         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
14737         (struct tree_decl): Add returns_twice_flag.
14738
14739 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14740
14741         * tree-ssa-phiopt.c: Fix a comment typo.
14742
14743         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
14744         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
14745         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
14746         copyright.
14747
14748 2005-03-08  Richard Henderson  <rth@redhat.com>
14749
14750         * config/alpha/alpha.c (code_for_builtin): Replace special-case
14751         builtin codes with ctzdi2, clzdi2, popcountdi2.
14752         (struct alpha_builtin_def): Add is_const.
14753         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
14754         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
14755         (alpha_init_builtins): Init them.  Set nothrow and const attributes
14756         on builtins.
14757         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
14758         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
14759         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
14760         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
14761         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
14762         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
14763         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
14764         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
14765         (TARGET_FOLD_BUILTIN): New.
14766         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
14767         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
14768         (ffsdi2): Use ctz.
14769         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
14770
14771 2005-03-08  Ira Rosen  <irar@il.ibm.com>
14772
14773         PR tree-optimization/20122
14774         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
14775         condition of access function instead of base.
14776
14777 2005-03-07  Jeff Law  <law@redhat.com>
14778             Steven Bosscher  <stevenb@suse.de>
14779
14780         * tree-cfg.c (find_taken_edge_computed_goto): New function.
14781         (find_taken_edge): Call find_taken_edge_computed_goto as
14782         appropriate.  Allow any gimple invariant rather than just
14783         INTEGER_CST for VAL.
14784         (cleanup_control_flow): Cleanup a computed goto which has turned
14785         into a simple goto.
14786         (tree_merge_blocks): If block B has any forced labels, move
14787         them to the start of block A.
14788         * tree-ssa-dom.c (thread_across_edge): Allow threading across
14789         computed gotos as well.
14790         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
14791         removal of unnecessary computed gotos too.
14792         (lookup_redirection_data): Fix type of INSERT argument.  Callers
14793         updated.
14794
14795 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14796
14797         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
14798         Remove trailing spaces.
14799
14800         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
14801         unshare_all_trees): Make them static.
14802         * tree-gimple.h: Remove the corresponding prototypes.
14803
14804         * diagnostic.h: Remove unused prototype
14805         debug_output_buffer.
14806         * modulo-sched.c: Remove unused prototype
14807         set_row_column_for_ps.
14808
14809         * tree-ssa-phiopt.c (tree_ssa_phiopt,
14810         replace_phi_edge_with_variable): Remove unused variable i.
14811
14812 2005-03-07  Per Bothner  <per@bothner.com>
14813
14814         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
14815
14816 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
14817
14818         PR tree-opt/17671
14819         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
14820         bbs on the COND_EXPR instead of the PHI_NODEs.
14821         (candidate_bb_for_phi_optimization): Remove.
14822         (replace_phi_with_stmt): Rename to ...
14823         (replace_phi_edge_with_variable): this and change so that we
14824         replace the phi argument instead of removing the PHI.
14825         (conditional_replacement): Change so we deal with PHI with more
14826         than two arguments.
14827         (value_replacement): Likewise.
14828         (abs_replacement): Likewise.
14829
14830 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
14831
14832         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
14833         output_e500_flip_gt_bit.
14834
14835         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
14836         as bit 31.
14837         (rs6000_generate_compare): Fix logic to look at the correct bits.
14838         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
14839         Look at GT bit.
14840         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
14841         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
14842         gen_move_from_CR_gt_bit.
14843
14844         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
14845         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
14846         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
14847
14848         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
14849         (E500_CR_IOR_COMPARE): New constant.
14850
14851 2005-03-08  Earl Chew <earl_chew@agilent.com>
14852             David Billinghurst <David.Billinghurst@riotinto.com>
14853
14854         * config/i386/host-cygwin.c: New file to support precompiled
14855         headers on cygwin
14856         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
14857         * config.host: Use above files for cygwin host.
14858
14859 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
14860
14861         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
14862         ordering ops from earlier change.
14863
14864 2005-03-07  Per Bothner  <per@bothner.com>
14865
14866         Various fixes to allow us to again build if --enable-mapped-location:
14867         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
14868         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
14869         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
14870         local variable loc. Change logic appropriately.
14871         * tree-vect-transform.c (vect_finish_stmt_generation): Use
14872         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
14873         * c-parser.c (c_parser_for_statement): Initialize loc variable.
14874         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
14875         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
14876
14877 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
14878
14879         PR rtl-optimization/19683
14880         * reload1.c (choose_reload_regs): Pass the number of bits, not the
14881         number of bytes, to smallest_int_for_mode.  Fix arguments to
14882         REG_CANNOT_CHANGE_MODE_P.
14883
14884 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14885
14886         * reorg.c (relax_delay_slots): Check that the jump is
14887         conditional before trying to invert it.
14888
14889 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14890
14891         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
14892         Make them static.
14893
14894         * calls (stack_arg_under_construction): Make it static.
14895
14896         * flow.c (regs_live_at_setjmp): Make it static.
14897         * flow.h: Remove the corresponding prototype.
14898
14899         * reload1.c (reload_startobj, reload_firstobj,
14900         something_needs_operands_changed, reload_inherited,
14901         reload_inheritance_insn, reload_override_in,
14902         reload_spill_index): Make them static.
14903
14904         * recog.c (verify_changes): Make it static.
14905         * recog.h: Remove the corresponding prototype.
14906
14907         * cfgbuild.c (find_sub_basic_blocks): Remove.
14908         * basic-block.h: Remove the corresponding prototype.
14909         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
14910         in comments.
14911         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
14912
14913         * tree-ssa-operands.c (check_build_stmt): Remove.
14914
14915         * stor-layout.c (set_alignment): Remove.
14916         * tree.h: Remove the corresponding prototype.
14917
14918         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
14919
14920         * tree-ssa-dce.c (control_dependence_map,
14921         visited_control_parents): Make them static.
14922
14923         * cfghooks.c (verify_flow_info): Remove local variable
14924         num_bb_notes.
14925
14926         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
14927         last_bb_seen.
14928
14929         * loop-unswitch.c (unswitch_loop): Remove local variable src.
14930
14931 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
14932
14933         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
14934
14935 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
14936
14937         * config/ia64/hpux.h (LINK_SPEC): Add -z.
14938         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
14939         PARALLEL for an empty structure.
14940
14941 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14942
14943         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
14944
14945         * fold-const.c (fold_binary): Unroll the very first "for"
14946         loop.
14947
14948 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
14949
14950         * config/rs6000/predicates.md (branch_comparison_operator): Remove
14951         redundant match_code test.
14952         (scc_comparison_operator): Swap match_operand and match_code
14953         tests.
14954         (branch_positive_comparison_operator): Same.
14955         (trap_comparison_operator): Use comparison_operator and swap with
14956         match_code test.
14957
14958 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14959
14960         PR target/20288
14961         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
14962         (out_movhi_r_mr): Read low byte of volatile MEM first.
14963         (out_movhi_mr_r): Write high byte of volatile MEM first.
14964
14965 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14966
14967         * cselib.c (reg_values, reg_values_size): Make them static.
14968
14969         * cse.c (cse_reg_info_table): Make it static.
14970
14971         * fold-const.c (fold_unary): Use build1 instead of copy_node.
14972
14973 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
14974
14975         * cse.c (find_best_addr): Use canon_for_address.
14976
14977 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14978
14979         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
14980         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
14981         SUBREG and MEM, respectively.
14982
14983         * fold-const.c (fold_binary): Use code instead of t.
14984
14985         * fold-const.c (optimize_minmax_comparison): Take decomposed
14986         arguments code, type, op0, and op1 instead of t.
14987         (fold_binary): Update a call to optimize_minmax_comparison.
14988
14989         * fold-const.c (fold_range_test): Take decomposed arguments
14990         code, type, op0, and op1 instead of t.
14991         (fold_binary): Update a call to fold_range_test.
14992
14993         * fold-const.c (fold_binary_op_with_conditional_arg): Take
14994         decomposed arguments code, type, op0, and op1 instead of t.
14995         (fold_binary): Update a call to fold_range_test.
14996
14997 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14998
14999         * fold-const.c (fold_binary): Avoid directly using the original
15000         expression t as much as possible.
15001
15002 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
15003
15004         * c-semantics.c (build_stmt): Use TYPE_P instead of
15005         IS_NON_TYPE_CODE_CLASS.
15006         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
15007         (NON_TYPE_CHECK): Use TYPE_P instead of
15008         IS_NON_TYPE_CODE_CLASS.
15009
15010         * fold-const.c (fold): Remove handling of binary expressions.
15011
15012 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
15013
15014         * doc/c-tree.texi: Wrap comments in @r{}.
15015         * doc/cpp.texi: Likewise.
15016         * doc/cppinternals.texi: Likewise.
15017         * doc/extend.texi: Likewise.
15018         * doc/md.texi: Likewise.
15019         * doc/objc.texi: Likewise.
15020         * doc/sourcebuild.texi: Likewise.
15021         * doc/tm.texi: Likewise.
15022         * doc/tree-ssa.texi
15023
15024 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
15025
15026         * predict.c (apply_return_prediction): Standardize PHI chain
15027         walking.
15028         * tree-ssa.c (ssa_redirect_edge): Likewise.
15029
15030         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
15031         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
15032         Update copyright.
15033
15034         * tree-phinodes.c (remove_phi_node): Drop the last argument.
15035         * tree-flow.h: Adjust the prototype for remove_phi_node.
15036         * lambda-code.c (perfect_nestify): Adjust a call to
15037         remove_phi_node.
15038         * tree-cfg.c
15039         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
15040         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
15041         Likewise.
15042         * tree-ssa-dce.c (remove_dead_phis): Likewise.
15043         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15044         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15045         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
15046
15047         * combine.c (simplify_and_const_int): Use gen_int_mode instead
15048         of GEN_INT (trunc_int_for_mode (...)).
15049         * loop-iv.c (iv_number_of_iterations): Likewise.
15050         * postreload.c (reload_cse_move2add): Likewise.
15051         * simplify-rtx.c (simplify_const_unary_operation,
15052         simplify_const_binary_operation): Likewise.
15053         * stor-layout.c (get_mode_bounds): Likewise.
15054
15055         * fold-const.c (fold_binary): New.
15056         (fold): Call fold_binary on binary expressions.
15057
15058 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
15059
15060         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
15061         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
15062         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
15063         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
15064         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
15065
15066 2005-03-04  Devang Patel  <dpatel@apple.com>
15067
15068         PR tree-optimization/18815
15069         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
15070         loops with zero exit edges.
15071
15072 2005-03-04  Devang Patel  <dpatel@apple.com>
15073
15074         * doc/invoke.texi: Remove reference to webpage that does not exist.
15075
15076 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
15077             Joseph S. Myers  <joseph@codesourcery.com>
15078
15079         PR c++/19797
15080         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
15081         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
15082         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
15083         * pa.c (get_plabel): Change argument to symbol_ref.  Call
15084         maybe_get_identifier instead of get_identifier.
15085         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
15086         (struct deferred_plabel): Replace name field with symbol field.
15087         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
15088         ASM_OUTPUT_EXTERNAL_REAL is defined.
15089         (output_global_address): Use output_addr_const for output of all
15090         symbol_refs.
15091         (output_deferred_plabels): Use symbol_ref instead of name for address
15092         output.
15093         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
15094         ASM_OUTPUT_SYMBOL_REF): New macros.
15095         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
15096         comment.
15097         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
15098         label.
15099
15100 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
15101
15102         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
15103         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
15104
15105 2005-03-04  Jeff Law  <law@redhat.com>
15106
15107         * basic-block.h (rediscover_loops_after_threading): Declare.
15108         * tree-ssa-dom.c: Include cfgloop.h.
15109         (tree_ssa_dominator_optimize): Discover loops and some basic
15110         properties.  Remove forwarder blocks recreated by loop header
15111         canonicalization.  Also mark backedges in the CFG.
15112         * tree-ssa-threadupdate.c: Include cfgloop.h
15113         (rediscover_loops_after_threading): Define.
15114         (struct local_info): New field, JUMP_THREADED.
15115         (prune_undesirable_thread_requests): New function.
15116         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
15117         then record that fact for the callers of redirct_edges.
15118         (thread_block): If BB has incoming backedges, then call
15119         prune_undesirable_thraed_requests.    Note when we are
15120         going to have to rediscover loop information.  Return a
15121         boolean indicating if any jumps were threaded.
15122         (thread_through_all_blocks): Bubble up boolean indicating
15123         if any jumps were threaded.
15124         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
15125         (tree-ssa-threadupdate.o): Similarly.
15126
15127 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
15128
15129         * fold-const.c (fold_ternary): Unroll the "for" loop to
15130         extract operands.
15131
15132 2005-03-04  Andrew Haley  <aph@redhat.com>
15133
15134         * unwind-dw2-fde-glibc.c (struct
15135         unw_eh_callback_data.check_cache): New field.
15136         (frame_hdr_cache): New.
15137         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
15138         Cache frame header info.
15139
15140 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
15141
15142         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
15143         (print_c_condition): Declare.
15144         * read-rtl.c (ptr_loc): New structure.
15145         (ptr_locs, ptr_loc_obstack, joined_conditions)
15146         (joined_conditions_obstack): New variables.
15147         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
15148         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
15149         (join_c_conditions, print_c_condition): New functions.
15150         (apply_macro_to_string): Associate the new string with the same
15151         source location as the old one.
15152         (add_condition_to_string): Use join_c_conditions.
15153         (read_string): Use set_rtx_ptr_loc to record a filename and line
15154         number for the string.
15155         (read_rtx): Initialize the new variables above.
15156         * genattrtab.c (write_test_expr, write_attr_value): Use
15157         print_c_condition.
15158         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
15159         comment above the GCC_VERSION check.
15160         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
15161         Inline the definition of MAYBE_EVAL.
15162         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
15163         * genoutput.c (process_template): Likewise.
15164         * genpreds.c (write_predicate_subfunction): Likewise.
15165         (write_predicate_expr): Use print_c_condition.
15166         * genrecog.c (write_cond): Likewise.
15167         * gensupport.c (process_rtx): Use join_c_conditions to join the
15168         conditions of a define_insn_and_split.  Record a source location
15169         for the string after the "&&".
15170         (alter_test_for_insn): Use join_c_conditions.
15171
15172 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
15173
15174         Revert for now:
15175         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
15176         PR tree-optimization/15784
15177         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
15178         and -1 - A to ~A.
15179
15180 2005-03-04  Ben Elliston  <bje@au.ibm.com>
15181
15182         * gcc.c (option_map): Add --coverage.
15183         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
15184         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
15185         * config/darwin.h: Pass -lgcov for `coverage'.
15186         * doc/invoke.texi (Debugging Options): Document --coverage.
15187
15188 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
15189
15190         * gcse.c (bypass_block): Use find_edge wherever possible.
15191
15192 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
15193
15194         Fix PR debug/20253
15195
15196         * c-opts.c (c_common_parse_file): Call start_source_file
15197         and end_source_file at the approriate times.
15198
15199         * dwarf2out.c (dwarf2out_finish): Don't auto-end
15200         the main file, it will be done for us now.
15201
15202 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
15203
15204         * fold-const.c (fold_ternary): New.
15205         (fold): Call fold_ternary on ternary expressions.  Remove
15206         handling of ternary expressions.
15207
15208 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
15209
15210         PR tree-optimization/15784
15211         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
15212         and -1 - A to ~A.
15213
15214 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
15215
15216         * config/rs6000/predicates.md (branch_comparison_operator):
15217         Convert from C block to conditional format.
15218
15219 2005-03-03  Jan Hubicka  <jh@suse.cz>
15220
15221         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
15222         and non-constant public variables.
15223
15224 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
15225
15226         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
15227         with LABEL_EXPR.
15228
15229         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
15230         EDGE_I.
15231
15232         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
15233         calls to release_ssa_name and release_phi_node.
15234
15235         * fold-const.c (fold): Remove handling of unary expressions.
15236
15237         * fold-const.c (fold_unary): Avoid directly using the original
15238         expression t as much as possible.
15239
15240 2005-03-03  Roger Sayle  <roger@eyesopen.com>
15241             Andrew Pinski  <pinskia@physics.uc.edu>
15242
15243         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
15244         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
15245
15246 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
15247
15248         Describe special registers SRP and MOF as allocatable registers.
15249         * config/cris/cris.c (cris_md_asm_clobbers): New function.
15250         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
15251         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
15252         TARGET_HAS_MUL_INSNS.
15253         (cris_print_operand) <case 'd'>: New case.
15254         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
15255         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
15256         define.
15257         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
15258         (REG_ALLOC_ORDER): Update for MOF.
15259         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
15260         SPECIAL_REGS.
15261         (GENERAL_REGS): No longer a define of ALL_REGS.
15262         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
15263         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
15264         Adjust accordingly.
15265         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
15266         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
15267         (SECONDARY_RELOAD_CLASS): Define.
15268         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
15269         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
15270         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
15271         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
15272         (REGISTER_MOVE_COST): Define.
15273         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
15274         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
15275         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
15276         (CRIS_MOF_REGNUM): New define_constants.
15277         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
15278         special registers.
15279         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
15280         New patterns.
15281         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
15282         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
15283         Adjust for MOF being properly described as a register.
15284         (indir_to_reg_split): Name this split.  Conditionalize on the
15285         destination register being a general register.
15286         (movei): Conditionalize on on operands 0 and 1 having the same
15287         register class.
15288
15289 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
15290
15291         PR target/20277
15292         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
15293         -mcpu to override any other explicitly given flags.
15294
15295 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
15296
15297         * recog.c (verify_changes, confirm_change_group): New functions,
15298         broken out of apply_change_group.
15299         (apply_change_group): Use them.
15300         * recog.h (verify_change, confirm_change_group): Declare.
15301         * rtl.h (redirect_jump_2): Declare.
15302         * jump.c (redirect_exp, invert_exp): Delete.
15303         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
15304         (redirect_jump_2): New function, broken out of redirect_jump.
15305         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
15306         (invert_jump): Use invert_jump_1 and redirect_jump_2.
15307         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
15308
15309 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
15310
15311         * varasm.c (named_section): Use xstrdup rather than doing it by
15312         hand.
15313
15314         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
15315
15316 2005-03-02  Devang Patel  <dpatel@apple.com>
15317
15318         Undo PR tree-optimization/18815 fix.
15319
15320 2005-03-02  Devang Patel  <dpatel@apple.com>
15321
15322         PR tree-optimization/18815
15323         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
15324         loops with zero exit edges.
15325
15326 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
15327
15328         * cfg.c (connect_src, connect_dest, disconnect_src,
15329         disconnct_dest): New.
15330         (unchecked_make_edge, remove_edge, redirect_edge_succ,
15331         redirect_edge_pred): Use the new functions.
15332
15333         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
15334         free_dominance_info only when needed.
15335
15336 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
15337
15338         PR target/20276
15339         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
15340         (reg_or_sub_cint64_operand): Same.
15341
15342 2005-03-02  Jeff Law  <law@redhat.com>
15343
15344         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
15345         CFG_ALTERED in the main DOM iteration loop.
15346
15347 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
15348
15349         PR c++/19916
15350         * varasm.c (initializer_constant_valid_p): Allow conversions
15351         between OFFSET_TYPEs.  Tidy.
15352
15353 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
15354
15355         * config/cris/cris.md ("return"): Remove epilogue delay list
15356         sanity check.
15357
15358 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
15359
15360         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
15361         for Thumb.
15362         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
15363
15364 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
15365
15366         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
15367         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
15368         config/m68k/m68k.c, config/mips/mips.h,
15369         config/rs6000/rs6000-protos.h, doc/contrib.texi,
15370         doc/include/gcc-common.texi: Update copyright.
15371
15372         PR middle-end/18029 and PR middle-end/18030
15373         * expr.c (optimize_bitfield_assignment_op): Add a special case
15374         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
15375
15376         * fold-const.c (fold_unary): New.
15377         (fold): Call fold_unary on unary expressions.
15378
15379 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
15380
15381         * cgraph.h (struct cgraph_edge): Add prev_caller and
15382         prev_callee fields.
15383         (cgraph_node_remove_callees): Export.
15384         * cgraph.c (cgraph_create_edge): Initialize prev_caller
15385         and prev_callee.
15386         (cgraph_edge_remove_callee): New function.
15387         (cgraph_edge_remove_caller): Likewise.
15388         (cgraph_remove_edge): Use.
15389         (cgraph_redirect_edge_callee): Likewise.
15390         (cgraph_node_remove_callees): New function.
15391         (cgraph_node_remove_callers): Likewise.
15392         (cgraph_remove_node): Use.
15393         * tree-optimize.c (tree_rest_of_compilation): Use
15394         cgraph_node_remove_callees instead of manual loop.
15395         * cgraphunit.c (cgraph_finalize_function): Likewise.
15396         (cgraph_expand_function): Likewise.
15397         (cgraph_remove_unreachable_nodes): Likewise.
15398
15399 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
15400
15401         PR c/8927
15402         * c-tree.h (undeclared_variable, build_external_ref): Add extra
15403         argument.
15404         * c-decl.c (undeclared_variable): Take location as argument.
15405         * c-typeck.c (build_external_ref): Likewise.
15406         * c-parser.c (c_parser_postfix_expression): Pass location of
15407         identifier to build_external_ref.
15408
15409 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
15410
15411         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
15412         CCEQ mode for branch_positive_comparison_operator test.
15413         * config/rs6000/predicates (branch_comparison_operator): Revert to
15414         define_predicate.
15415         (scc_comparison_operator): Same.
15416         (branch_positive_comparison_operator): Same.
15417
15418 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
15419
15420         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
15421         (cris_delay_slots_for_epilogue): Remove.
15422         (save_last): Move into cris_target_asm_function_epilogue.
15423         (cris_target_asm_function_epilogue): Remove tests for file being
15424         NULL.
15425         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
15426         (cris_delay_slots_for_epilogue): Remove prototypes.
15427         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
15428         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
15429
15430 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
15431
15432         * config/rs6000/predicates.md (branch_comparison_operator): Change
15433         to define_special_predicate.
15434         (scc_comparison_operator): Same.
15435         (branch_positive_comparison_operator): Same.
15436
15437 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
15438
15439         * Makefile.in (tree-ssa-sink.o): New.
15440         (OBJS-common): Add tree-ssa-sink.o.
15441         * common.opt: Add -ftree-sink
15442         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
15443         * timevar.def (TV_TREE_SINK): new timevar.
15444         * tree-flow.h (is_hidden_global_store): Prototype.
15445         * tree-optimize.c (init_tree_optimization_passes): Add
15446         pass_sink_code.
15447         * tree-pass.h (pass_sink_code): New.
15448         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
15449         for non-obvious global store store to is_hidden_global_store, and
15450         call that new function.
15451         * tree-ssa-sink.c: New file.
15452         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
15453         * doc/passes.texi: Document forward store motion.
15454         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
15455         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
15456         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
15457         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
15458
15459 2005-03-01  Per Bothner  <per@bothner.com>
15460
15461         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
15462         and we have a non-zero column-number, add it to the message.
15463         Also factor out the diagnostic_kind_text.
15464
15465 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
15466
15467         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
15468         flow_loop_pre_header_scan, flow_loop_pre_header_find,
15469         flow_loop_scan): Removed.
15470         (flow_loop_dump): Do not dump removed fields.
15471         (flow_loop_free): Do not free removed fields.
15472         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
15473         (loop_exit_edge_p): New function.
15474         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
15475         num_pre_header_edges, entry_edges, num_entries, exit_edges,
15476         num_exits, exits_doms.
15477         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
15478         LOOP_EDGES, LOOP_ALL): Removed.
15479         (flow_loop_scan): Declaration removed.
15480         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
15481         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
15482         flow_loops_find.
15483         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
15484         (if_convert): Call flow_loops_find and flow_loops_free
15485         when calling mark_loop_exit_edges.
15486         * cfgloopanal.c (mark_loop_exit_edges): Moved from
15487         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
15488         free_dominance_info calls.
15489         * loop-init.c (flow_loops_find): Ditto.
15490         * passes.c (rest_of_handle_branch_prob): Ditto.
15491         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
15492         * loop-unroll.c (analyze_insns_in_loop): Do not use
15493         EDGE_LOOP_EXIT.
15494         * predict.c (predict_loops): Do not call flow_loop_scan.
15495         Use get_loop_exit_edges.
15496         (tree_estimate_probability): Do not pass flags to flow_loops_find.
15497         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
15498         Do not use EDGE_LOOP_EXIT.
15499         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
15500         to bb_with_exit_edge_p.
15501         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
15502         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
15503         to bb_with_exit_edge_p.
15504         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
15505         EDGE_LOOP_EXIT.
15506         * tree-loop-linear.c (linear_transform_loops): Do not call
15507         flow_loop_scan.  Use loop->single_exit.
15508         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
15509         (vect_analyze_loop_form): Do not call flow_loop_scan.
15510         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
15511         loop->single_exit.
15512         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
15513         loop->single_exit.
15514         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
15515         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15516         slpeel_tree_duplicate_loop_to_edge_cfg,
15517         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
15518         Use loop_preheader_edge and loop->single_exit.  Do not call
15519         flow_loop_scan.
15520
15521 2005-03-01  Nick Clifton  <nickc@redhat.com>
15522
15523         * config/arm/arm.c (thumb_find_work_register): Check all of the
15524         argument registers to see if they are free, and a couple of
15525         special cases where the last argument register but can be proved
15526         to be available during the function's prologue.
15527         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
15528         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
15529         thumb_unexpanded_epilogue): Use unsigned long as the type for the
15530         register bit-mask.
15531         (thumb_compute_save_reg_mask): Likewise.  Also use
15532         thumb_find_work_register() to ensure that there is agreement about
15533         which work register is going to be used in the prologue.
15534         (thumb_output_function_prologue): Use unsigned long as the type
15535         for the register bit-mask.  Also delay pushing the link register if
15536         other high registers are going to be pushed.
15537         (thumb_compute_save_reg_mask, emit_multi_reg_push,
15538         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
15539         redundant prototypes.
15540
15541 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
15542
15543         PR target/19819
15544         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
15545         and after reload in REG+REG indexed addresses without REG_POINTER
15546         set in the base and not set in the index.
15547
15548 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
15549
15550         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
15551         Don't undefine here.
15552         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
15553         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
15554         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
15555         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
15556         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
15557         Delete.
15558         * config.gcc (sh*-*-linux*): Use config/linux.h.
15559
15560 2005-02-28  Dale Johannesen  <dalej@apple.com>
15561             Stan Shebs  <shebs@apple.com>
15562
15563         Rewrite of 64-bit Darwin structure-by-value pass/return.
15564         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
15565         intoffset, use_stack, named.
15566         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
15567         (rs6000_darwin64_record_arg_advance_flush):  New.
15568         (rs6000_darwin64_record_arg_advance_recurse): New.
15569         (rs6000_darwin64_record_arg_flush):  New.
15570         (rs6000_darwin64_record_arg_recurse):  New.
15571         (rs6000_darwin64_record_arg):  New.
15572         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
15573         (function_arg_boundary):  Handle 128-bit aligned structs.
15574         (function_arg_advance):  Rewrite darwin64 struct handling.
15575         (function_arg):  Call rs6000_darwin64_record_arg.
15576         (function_arg_partial_nregs):  Handle darwin64 structs.
15577         (rs6000_darwin64_function_value):  Remove.
15578         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
15579
15580 2005-02-28  Roger Sayle  <roger@eyesopen.com>
15581
15582         PR tree-optimization/20216
15583         * tree-chrec.c (tree_fold_factorial): Delete.
15584         (tree_fold_binomial): Change argument list to take a return type
15585         and change the type of K to unsigned int.  Rewrite to avoid explicit
15586         evaluation of factorials, and (recursively) calling fold to perform
15587         compile-time arithmetic.  Return NULL on (internal) overflow.
15588         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
15589         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
15590         if any intermediate calculation overflows.
15591         (chrec_apply): Update call to chrec_evaluate.
15592
15593 2005-02-28  James E Wilson  <wilson@specifixinc.com>
15594
15595         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
15596
15597 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
15598
15599         PR c/20245
15600         * c-parser.c (c_parser_compound_statement): Return error_mark_node
15601         instead of NULL_TREE on error.
15602
15603 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
15604
15605         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
15606         (EASY_VECTOR_15_ADD_SELF): Remove.
15607         (num_insns_constant_wide): Not static.
15608         (validate_condition_mode): Not static.
15609         (toc_relative_expr_p): Not static.
15610         (legitimate_indirect_address_p): Not static.
15611         (macho_lo_sum_memory_operand): Not static.
15612         (invalid_e500_subreg): Not static.
15613         (easy_vector_same): Not static.
15614         (easy_vector_splat_const): Not static.
15615         (RS6000_SYMBOL_REF_TLS_P): Remove.
15616         (any_operand): Delete.
15617         (any_parallel_operand): Delete.
15618         (count_register_operand): Delete.
15619         (altivec_register_operand): Delete.
15620         (xer_operand): Delete.
15621         (s8bit_cint_operand): Delete.
15622         (short_cint_operand): Delete.
15623         (u_short_cint_operand): Delete.
15624         (non_short_cint_operand): Delete.
15625         (exact_log2_cint_operand): Delete.
15626         (gpc_reg_operand): Delete.
15627         (cc_reg_operand): Delete.
15628         (cc_reg_not_cr0_operand): Delete.
15629         (reg_or_short_operand): Delete.
15630         (reg_or_neg_short_operand): Delete.
15631         (reg_or_aligned_short_operand): Delete.
15632         (reg_or_u_short_operand): Delete.
15633         (reg_or_cint_operand): Delete.
15634         (reg_or_arith_cint_operand): Delete.
15635         (reg_or_add_cint64_operand): Delete.
15636         (reg_or_sub_cint64_operand): Delete.
15637         (reg_or_logical_cint_operand): Delete.
15638         (got_operand): Delete.
15639         (got_no_const_operand): Delete.
15640         (easy_fp_constant): Delete.
15641         (easy_vector_constant): Delete.
15642         (easy_vector_constant_add_self): Delete.
15643         (zero_constant): Delete.
15644         (zero_fp_constant): Delete.
15645         (volatile_mem_operand): Delete.
15646         (offsettable_mem_operand): Delete.
15647         (mem_or_easy_const_operand): Delete.
15648         (add_operand): Delete.
15649         (non_add_cint_operand): Delete.
15650         (logical_operand): Delete.
15651         (non_logical_cint_operand): Delete.
15652         (mask_operand): Delete.
15653         (mask_operand_wrap): Delete.
15654         (mask64_operand): Delete.
15655         (mask64_2_operand): Delete.
15656         (and64_operand): Delete.
15657         (and64_2_operand): Delete.
15658         (and_operand): Delete.
15659         (reg_or_mem_operand): Delete.
15660         (lwa_operand): Delete.
15661         (symbol_ref_operand): Delete.
15662         (call_operand): Delete.
15663         (current_file_function_operand): Delete.
15664         (input_operand): Delete.
15665         (rs6000_nonimmediate_operand): Delete.
15666         (rs6000_tls_symbol_ref): Delete.
15667         (save_world_operation): Delete.
15668         (restore_world_operation): Delete.
15669         (load_multiple_operation): Delete.
15670         (store_multiple_operation): Delete.
15671         (vrsave_operation): Delete.
15672         (mfcr_operation): Delete.
15673         (mtcrf_operation): Delete.
15674         (lmw_operation): Delete.
15675         (stmw_operation): Delete.
15676         (branch_comparison_operator): Delete.
15677         (branch_positive_comparison_operator): Delete.
15678         (scc_comparison_operator): Delete.
15679         (trap_comparison_operator): Delete.
15680         (boolean_operator): Delete.
15681         (boolean_or_operator): Delete.
15682         (min_max_operator): Delete.
15683         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
15684         (EASY_VECTOR_15): Moved to here.
15685         (EASY_VECTOR_15_ADD_SELF): Move to here.
15686         (PREDICATE_CODES): Delete.
15687         * config/rs6000/rs6000-protos.h: Delete predicate functions.
15688         Declare functions no longer static.
15689         * config/rs6000/predicates.md: New.
15690         * config/rs6000/rs6000.md: Include predicates.md
15691
15692 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
15693
15694         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
15695         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
15696         REG_ALWAYS_RETURN.
15697         * cfgrtl.c (need_fake_edge_p): Likewise.
15698         * combine.c (distribute_notes): Likewise.
15699         * emit-rtl.c (try_split): Likewise.
15700         * recog.c (peephole2_opimize): Likewise.
15701         * reg-notes.def (ALWAYS_RETURN): Remove.
15702         * rtl.h (LCT_ALWAYS_RETURN): Remove.
15703         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
15704         * tree.h (ECF_ALWAYS_RETURN): Remove.
15705
15706 2005-02-28  Roger Sayle  <roger@eyesopen.com>
15707
15708         PR middle-end/19874
15709         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
15710         between different machine modes is never a "useless" conversion.
15711
15712 2005-02-28  Geert Bosch  <bosch@gnat.com>
15713
15714         PR ada/15977
15715         * doc/contrib.texi: List contributors for Ada front end
15716
15717 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
15718
15719         * simplify-rtx.c (simplify_unary_operation_1,
15720         simplify_const_unary_operation): New, extracted from...
15721         (simplify_unary_operation): ... this one.
15722         (simplify_binary_operation_1,
15723         simplify_const_binary_operation): New, extracted from...
15724         (simplify_binary_operation): ... this one.
15725         * rtl.h (simplify_const_unary_operation,
15726         simplify_const_binary_operation): Add prototypes.
15727
15728 2005-02-28  Julian Brown  <julian@codesourcery.com>
15729
15730         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
15731         building libjava and caused PR regression/20228.
15732
15733 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
15734
15735         PR bootstrap/17383
15736         * Makefile.in (host_subdir): New.
15737         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
15738         * configure: Regenerate.
15739
15740 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
15741
15742         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
15743         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
15744         installation directory first.
15745
15746 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
15747
15748         PR target/19065.
15749         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
15750         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
15751         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
15752         * config/cris/cris.md: Tweak comments referring to Q.
15753         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
15754         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
15755         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
15756         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
15757         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
15758         Insert spaces in constraints to align alternatives vertically for
15759         readability.
15760         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
15761         operand 1: "M".
15762
15763 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15764
15765         PR rtl-optimization/17728
15766         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
15767         operand 0 from general_operand to move_dest_operand.
15768
15769 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15770
15771         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
15772         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
15773         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
15774         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
15775
15776 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
15777
15778         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
15779         * configure: Regenerate.
15780         * libada-mk.in: Remove CC; rename
15781         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
15782
15783 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
15784
15785         PR tree-opt/20188
15786         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
15787         for the lhs, also walk over the tree.  Likewise for rhs.
15788
15789 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
15790
15791         * tree-ssa-dom.c (simple_iv_increment_p): New function.
15792         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
15793         Do not propagate value of iv before increment over the increment.
15794
15795 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
15796
15797         * c-parser.c: New file.
15798         * c-parse.in: Remove.
15799         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
15800         Remove.
15801         (c-parser.o): Add dependencies.
15802         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
15803         maintainer-clean, TAGS): Update.
15804         * c-config-lang.in (gtfiles): Update.
15805         * gengtype-lex.l: Don't handle "@@".
15806         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
15807         objc_build_synchronized, objc_begin_try_stmt,
15808         objc_begin_catch_clause, objc_finish_catch_clause,
15809         objc_build_finally_clause, objc_finish_try_stmt): New.
15810         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
15811         type_seen_p.
15812         (c_parse_init): Update comment.
15813         * c-decl.c (c_init_decl_processing): Update comment.
15814         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
15815         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
15816         new c_declspecs members.
15817
15818 2005-02-25  Julian Brown  <julian@codesourcery.com>
15819
15820         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
15821         from being used for symbols with vague linkage when
15822         HAVE_GAS_COMDAT_GROUP is true.
15823
15824 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15825
15826         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
15827
15828 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
15829
15830         PR target/19930
15831         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
15832         (LIBGCC2_HAS_DF_MODE): New.
15833         (LIBGCC2_HAS_XF_MODE): New.
15834         (LIBGCC2_HAS_TF_MODE): New.
15835         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15836         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15837         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15838         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15839         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
15840         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
15841         and add _fixtfdi, _fixunstfdi, _floatditf
15842         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
15843         L_fixunstfdi, L_floatditf.
15844         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
15845         (LIBGCC2_HAS_TF_MODE): Define.
15846
15847 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
15848
15849         PR tree-optimization/20204
15850         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
15851         REWRITE_THIS_STMT markers on PHI nodes.
15852         (rewrite_initialize_block): Likewise.
15853
15854 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15855
15856         * version.c (version_string): Update to 4.1.
15857
15858 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
15859
15860         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
15861         Clarify that the alternative way doesn't work in GNU C++.
15862
15863 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
15864
15865         PR tree-optimization/19937
15866         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
15867         to the type of the induction variable.
15868
15869 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
15870
15871         PR rtl-optimization/20117
15872         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
15873         the block including noncopyable insn.
15874
15875 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15876
15877         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
15878         calls to find_reg_note.
15879
15880 2005-02-24  Richard Henderson  <rth@redhat.com>
15881
15882         PR tree-opt/20127
15883         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
15884         the type.
15885
15886 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
15887
15888         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
15889         vector types if to use base reg for misaligned non-word ld/std.
15890
15891 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15892
15893         PR target/14619
15894         * config/cris/cris.c (cris_target_asm_function_prologue): Create
15895         dwarf2 label manually and put it after, not before the prologue.
15896
15897 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
15898
15899         PR target/19019
15900         * reload.c (operands_match_p): Only increment register number for
15901         SCALAR_INT_MODE_P modes in multiple hard registers.
15902
15903         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
15904         Fix formatting.
15905
15906 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15907
15908         * ChangeLog.5: Fix log message typo(s).
15909         * ChangeLog.7: Likewise.
15910         * ChangeLog.tree-ssa: Likewise.
15911         * cfgexpand.c: Fix comment typo(s).
15912         * conflict.c: Likewise.
15913         * defaults.h: Likewise.
15914         * dwarf2out.c: Likewise.
15915         * gcse.c: Likewise.
15916         * ggc-page.c: Likewise.
15917         * tree-eh.c: Likewise.
15918         * tree-ssa-dom.c: Likewise.
15919
15920 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
15921
15922         PR target/19019
15923         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
15924         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
15925         if SHARED is defined.
15926
15927         PR target/20196
15928         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
15929         allow splitting only if operands 0 and 3 don't overlap.
15930
15931 2005-02-24  Richard Henderson  <rth@redhat.com>
15932
15933         PR middle-end/19953
15934         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
15935         (fold_builtin_1): Call them.
15936         * fold-const.c (fold_complex_mult_parts): Split out from ...
15937         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
15938         (fold_complex_div_parts, fold_complex_div): New.
15939         (fold): Use them.
15940         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
15941
15942 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15943
15944         * tree-ssa-ccp.c (visit_assignment): Verify that result of
15945         VIEW_CONVERT_EXPR is_gimple_min_invariant.
15946
15947         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
15948         (print_node): Likewise.
15949         Print TYPE_SIZES_GIMPLIFIED.
15950
15951 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15952
15953         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
15954         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
15955         operands as commutative in constraints.
15956
15957 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
15958
15959         * tree-into-ssa.c: Re-organize internal functions.
15960
15961 2005-02-24  Richard Henderson  <rth@redhat.com>
15962
15963         PR middle-end/18902
15964         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
15965         for c99.
15966         * common.opt (fcx-limited-range): New.
15967         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
15968         * toplev.c (flag_complex_method): Initialize to 1.
15969         (process_options): Set flag_complex_method to 0 if
15970         flag_cx_limited_range.
15971         * doc/invoke.texi (-fcx-limited-range): New.
15972
15973 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15974
15975         * cse.c (delete_trivially_dead_insns): Speed up by using
15976         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
15977         prev_real_insn.
15978
15979 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
15980
15981         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
15982         functions when -mid-shared-library is being used.
15983
15984 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
15985
15986         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
15987         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
15988         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
15989         * system.h: Poison LINK_LIBGCC_SPECIAL.
15990
15991 2005-02-23  James E Wilson  <wilson@specifixinc.com>
15992
15993         * gengtype.c (note_insn_name): Make 1 element larger.
15994
15995 2005-02-23  Roger Sayle  <roger@eyesopen.com>
15996
15997         PR target/20018
15998         PR rtl-optimization/20097
15999         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
16000         BImode SUBREGs of SImode registers which confuse the ia64 backend.
16001
16002 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
16003
16004         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
16005         * t-aix52 (SHLIB_INSTALL): Same.
16006
16007 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
16008
16009         * genpreds.c: Update copyright.
16010
16011 2005-02-23  Michael Beach  <michaelb@ieee.org>
16012
16013         PR target/20159
16014         * config/sparc/t-elf (startup files): Assemble with CPP.
16015
16016 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
16017
16018         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
16019         (write_predicate_expr): Likewise.
16020
16021 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
16022
16023         PR tree-optimization/20100
16024         PR tree-optimization/20115
16025         * tree-optimize.c (init_tree_optimization_passes): Remove
16026         pass_maybe_create_global_var.
16027         * tree-pass.h (pass_maybe_create_global_var): Remove.
16028         * tree-ssa-alias.c (aliases_computed_p): Declare.
16029         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
16030         (count_calls_and_maybe_create_global_var): Remove.
16031         (pass_maybe_create_global_var): Remove.
16032         (init_alias_info): Do not declare aliases_computed_p.
16033         (maybe_create_global_var): If the function contains no
16034         call-clobbered variables and a mix of pure/const and regular
16035         function calls, create .GLOBAL_VAR.
16036         Mark all call-clobbered variables for renaming.
16037         (merge_pointed_to_info): Update comment.
16038         (add_pointed_to_var): Likewise.
16039         (is_escape_site): Likewise.
16040         Accept struct alias_info * instead of size_t *.
16041         Update all users.
16042         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
16043         as necessary.
16044         * tree-ssa-operands.c (get_call_expr_operands): If
16045         ALIASES_COMPUTED_P is false, do not add call-clobbering
16046         operands.
16047         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
16048         (delete_tree_ssa): Likewise.
16049
16050 2005-02-22  James E Wilson  <wilson@specifixinc.com>
16051
16052         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
16053         (do_compile): Do call it here.
16054
16055 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
16056
16057         PR rtl-optimization/20017.
16058         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
16059         rest_of_handle_cse2, rest_of_handle_gcse): Call
16060         delete_dead_jumptables immediately before calling cleanup_cfg.
16061
16062 2005-02-22  Devang Patel  <dpatel@apple.com>
16063
16064         PR 19952
16065         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
16066         all labels
16067
16068 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
16069
16070         * config/rs6000/aix.h (WINT_TYPE): Define.
16071
16072 2005-02-22  Stan Shebs  <shebs@apple.com>
16073
16074         * config/rs6000/rs6000.c (rs6000_override_options): Default to
16075         natural alignment for 64-bit Darwin.
16076         (rs6000_parse_alignment_option): Warn about uses of -malign-power
16077         on 64-bit Darwin.
16078         * doc/invoke.texi: Document this.
16079
16080 2005-02-22  DJ Delorie  <dj@redhat.com>
16081
16082         * c-common.c (c_common_type_for_mode): Pass the mode's precision
16083         to make_[un]signed_type, not the mode itself.
16084
16085 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
16086
16087         * cfg.c (cached_make_edge): Call make_edge if edge cache is
16088         not available.  Use tail calls wherever possible.
16089         (make_edge): Call unchecked_make_edge to create an edge.
16090
16091         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
16092         (coalesce_ssa_name): Don't check for
16093         SSANORM_USE_COALESCE_LIST.
16094         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
16095
16096 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
16097
16098         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
16099         (rewrite_into_ssa): ... here.
16100
16101 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
16102
16103         PR tree-optimization/19786
16104         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
16105         tag to another's may-alias bitmap when adding to the other's list.
16106
16107 2005-02-21  DJ Delorie  <dj@redhat.com>
16108
16109         * tree-ssa-loop-ivopts.c (computation_cost): Start register
16110         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
16111         registers in unsupported ways.
16112         * expmed.c (init_expmed): Likewise.
16113
16114 2005-02-21  Stan Cox  <scox@redhat.com>
16115
16116         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
16117
16118 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
16119
16120         * tree-cfg.c (fold_cond_expr_cond): New.
16121         (make_edges): Call fold_cond_expr_cond.
16122         (find_taken_edge): Accept nothing but INTEGER_CST.
16123         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
16124         and 1.
16125         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
16126
16127         * flow.c (delete_dead_jumptables): Speed up by scanning insns
16128         that do not belong to any basic block.
16129
16130 2005-02-21  Jeff Law  <law@redhat.com>
16131
16132         * cfganal.c (find_unreachable_blocks): Manually CSE load of
16133         e->dest.
16134
16135 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
16136
16137         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
16138         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
16139         Adjust their definitions.
16140         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
16141         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
16142
16143         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
16144         genautomata.c, langhooks.c, langhooks.h, system.h,
16145         config/arm/lib1funcs.asm: Update copyright.
16146
16147 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
16148
16149         * dbxout.c (dbxout_function_end): Emit Lscope label always.
16150
16151 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
16152
16153         PR bootstrap/13770
16154         * doc/install.texi: Document --with-gc.
16155
16156 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
16157
16158         * simplify-rtx.c (simplify_unary_operation): Add a missing
16159         "break" statement.
16160
16161 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16162
16163         PR tree-optimization/18663
16164         * tree-ssa-dom.c (extract_range_from_cond): Return 0
16165         if the type has variable bounds.
16166
16167 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
16168
16169         * gcse.c: Remove an obsolete comment.
16170
16171         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
16172
16173 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
16174
16175         * doc/extend.texi (Function Attributes) <Attribute const>: The
16176         attribute "pure" is below this text, not above.
16177
16178 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16179
16180         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
16181         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
16182         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
16183
16184 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
16185
16186         PR 18785
16187         * langhooks.h (struct lang_hooks): Add to_target_charset.
16188         * langhooks.c (lhd_to_target_charset): New function.
16189         * langhooks-def.h: Declare lhd_to_target_charset.
16190         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
16191         (LANG_HOOKS_INITIALIZER): Update.
16192         * c-common.c (c_common_to_target_charset): New function.
16193         * c-common.h: Declare it.
16194         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
16195         c_common_to_target_charset.
16196
16197         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
16198         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
16199         Delete definitions.
16200         * system.h: Poison them.
16201         * doc/tm.texi: Don't discuss them.
16202         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
16203         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
16204         (pp_c_char): Do not attempt to generate letter escapes for
16205         newline, tab, etc.
16206         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
16207         * config/mips/mips.c (mips_output_ascii): Likewise.
16208
16209 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
16210
16211         PR tree-optimization/19951
16212         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
16213         is abnormal.
16214
16215 2005-02-19  Steven Bosscher  <stevenb@suse.de>
16216
16217         PR middle-end/19698
16218         * function.h (struct function): New field `max_loop_depth'.
16219         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
16220         (flow_loops_find): Reset the max loop depth count before finding loops.
16221         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
16222         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
16223         (calculate_global_regs_live): Make sure the loop will terminate
16224         when the initial sets are not empty.
16225
16226 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
16227
16228         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
16229         object inside.
16230         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
16231
16232 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
16233
16234         PR other/19525
16235         * doc/invoke.texi: Remove documentation of %M spec.
16236         * gcc.c: Likewise.
16237         (init_spec): Remove %M suffix from -lgcc_s.
16238         (do_spec_1): Remove 'M' case.
16239         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
16240         to put shared libraries in the multilib directory.  Remove the
16241         shlib_so_soname substitution variable.  Don't add a multilib encoding
16242         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
16243         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
16244         SHLIB_INSTALL as well as SHLIB_LINK.
16245         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
16246         (SHLIB_NAME): Delete.
16247         (SHLIB_DIR): New macro.
16248         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
16249         (SHLIB_INSTALL): Adjust accordingly.
16250         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
16251         * config/t-slibgcc-sld: Likewise.
16252         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
16253         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
16254         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
16255         in $(SHLIB_DIR).
16256         (SHLIBUNWIND_INSTALL): Adjust accordingly.
16257         * config/i386/t-nwld (SHLIB_SONAME): Delete.
16258         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
16259         Use @shlib_base_name@ instead of @shlib_so_name@.
16260         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
16261         and @shlib_base_name@.so in @multilib_dir@.
16262         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
16263         to the install path.
16264         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
16265         (SHLIB_LINK): Remove previous workaround.
16266         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
16267         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
16268         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
16269         the install path.
16270         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
16271         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
16272         (SHLIB_INSTALL): Adjust accordingly.
16273         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
16274         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
16275         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
16276         config/t-slibgcc-elf-ver.
16277
16278 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
16279             Jakub Jelinek  <jakub@redhat.com>
16280
16281         PR tree-optimization/19828
16282         * tree-ssa-loop-im.c: Add a TODO comment.
16283         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
16284         without side-effects.
16285
16286 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
16287
16288         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
16289         call fold_convert.
16290
16291 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
16292
16293         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
16294         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
16295         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
16296         functions.
16297         (ia64_reorg): Delete fixup_errata call.
16298         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
16299         (TARGET_SWITCHES): Delete -mb-step entry.
16300
16301 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
16302
16303         PR c/20043
16304         * c-typeck.c (composite_type): Handle quals in transparent unions.
16305         (type_lists_compatible_p): Likewise.
16306
16307 2005-02-18  Stan Shebs  <shebs@apple.com>
16308
16309         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
16310         expressions in the .literal8 section.
16311
16312 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
16313
16314         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
16315
16316 2005-02-18  Roger Sayle  <roger@eyesopen.com>
16317
16318         * fold-const.c (constant_boolean_node): Always create values of the
16319         specified type, don't bother calling truthvalue_conversion.
16320
16321 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16322
16323         * except.c (output_function_exception_table): Call
16324         assemble_external_libcall (eh_personality_libfunc).
16325
16326 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16327
16328         PR target/19886
16329         * config/ia64/ia64.h (struct machine_function): Add state_num.
16330         * config/ia64/ia64.c (process_epilogue,
16331         process_for_unwind_directive): Use new unwind state numbers each
16332         time rather than state 1.
16333
16334 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
16335
16336         PR target/20054
16337         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
16338         before the "*llgt_didi" pattern.
16339
16340 2005-02-18  Jason Merrill  <jason@redhat.com>
16341
16342         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
16343
16344 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
16345
16346         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
16347         (div0): Use it in place of ARM_FUNC_ALIAS.
16348         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
16349
16350 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
16351
16352         PR middle-end/20030
16353         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
16354         access, the lower bound of the array type if it exists.
16355
16356 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
16357
16358         PR c++/20008
16359         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
16360         cases that are out-of-range for the index type.
16361
16362 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
16363
16364         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
16365         (estimate_case_costs): Don't call convert.
16366         * expmed.c (expand_shift): Likewise.
16367         (make_tree): Call fold_convert instead of convert.
16368
16369 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
16370
16371         PR c++/19813
16372         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
16373         that ref to be marked MEM_READONLY_P doesn't have base that needs
16374         constructing.
16375
16376 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16377
16378         * genautomata.c (output_get_cpu_unit_code_func,
16379         output_cpu_unit_reservation_p): Don't generate old-style function
16380         definitions.
16381
16382 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
16383
16384         PR c++/20023
16385         PR tree-optimization/20009
16386         * convert.c (convert_to_integer): Revert 2005-02-16 change.
16387
16388         PR tree-optimization/18947
16389         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
16390         inline, remove all nodes that are inlined into the extern inline
16391         being redefined.
16392
16393 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
16394
16395         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
16396         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
16397         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
16398         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
16399         Update copyright.
16400
16401 2005-02-17  Roger Sayle  <roger@eyesopen.com>
16402
16403         PR tree-optimization/19917
16404         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
16405         to be potentially trapping.
16406
16407 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
16408
16409         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
16410
16411 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
16412
16413         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
16414         tem becomes a local variable which is set to the value of the
16415         back end defined INITIAL_FRAME_ADDRESS macro.
16416         (expand_builtin_frame_address): Omit the base parameter to
16417         expand_builtin_return_addr.
16418         (expand_builtin_profile_func): Likewise.
16419         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
16420         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
16421         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
16422
16423 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
16424
16425         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
16426         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
16427         * config/frv/frv.c (frv_function_epilogue): Likewise.
16428
16429 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
16430
16431         * lambda-code (perfect_nestify): Remove mark/unmark
16432         for rewriting hack.
16433         * tree-loop-linear.c (linear_transform_loops): Add
16434         rewrite_into_ssa call so that ssa is correct for
16435         rewriting into loop closed.
16436
16437 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
16438
16439         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
16440         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
16441         BITMAP_FREE.
16442         * bt-load.c (btr_def_live_range, combine_btr_defs,
16443         migrate_btr_def, migrate_btr_defs): Likewise.
16444         * cfgcleanup.c (thread_jump): Likewise.
16445         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
16446         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
16447         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
16448         df_rd_local_compute, df_reg_info_compute): Likewise.
16449         * dominance.c (init_dom_info, free_dom_info): Likewise.
16450         * flow.c (init_propagate_block_info,
16451         free_propagate_block_info): Likewise.
16452         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
16453         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
16454         modify_reg_pav): Likewise.
16455         * loop-invariant.c (find_defs, find_invariant_insn,
16456         find_invariants, free_inv_motion_data): Likewise.
16457         * predict.c (tree_predict_by_opcode,
16458         estimate_bb_frequencies): Likewise.
16459         * stmt.c (expand_case): Likewise.
16460         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
16461         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
16462         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
16463         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
16464         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
16465         rewrite_ssa_into_ssa): Likewise.
16466         * tree-optimize.c (tree_rest_of_compilation): Likewise.
16467         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
16468         analyze_edges_for_bb, perform_edge_inserts): Likewise.
16469         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
16470         * tree-sra.c (tree_sra): Likewise.
16471         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
16472         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
16473         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
16474         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
16475         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
16476         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
16477         Likewise.
16478         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
16479         calculate_live_on_entry, calculate_live_on_exit,
16480         build_tree_conflict_graph): Likewise.
16481         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
16482         record_important_candidates, set_use_iv_cost, find_depends,
16483         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
16484         tree_ssa_iv_optimize_finalize): Likewise.
16485         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
16486         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
16487         tree_duplicate_loop_to_header_edge): Likewise.
16488         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
16489         * tree-ssa.c (verify_flow_insensitive_alias_info,
16490         verify_name_tags, verify_ssa, init_tree_ssa,
16491         delete_tree_ssa): Likewise.
16492         * tree-ssanames.c (marked_ssa_names, init_ssanames,
16493         fini_ssanames): Likewise.
16494         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
16495
16496 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
16497
16498         * config/rs6000/t-rtems: Completely reworked.
16499
16500 2005-02-17  Ira Rosen  <irar@il.ibm.com>
16501
16502         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
16503
16504 2005-02-17  Ira Rosen  <irar@il.ibm.com>
16505
16506         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
16507         POINTER_TYPE_P when checking that type is a pointer.
16508         (vect_get_memtag): Remove.
16509         (vect_address_analysis): Use POINTER_TYPE_P. Call
16510         vect_object_analysis with dummy parameter for memtag.
16511         (vect_object_analysis): Extract memtag (functionality that
16512         used to be in vect_get_memtag and moved here). Fix printings.
16513         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
16514         with correct parameters. Remove call to vect_get_memtag.
16515
16516 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
16517
16518         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
16519         (tree-vectorizer.o): Added missing dependencies.
16520
16521         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
16522         decleration.
16523         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
16524         declaration in tree-vectorizer.c, now has an extern declaration in
16525         tree-vectorizer.h).
16526         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
16527         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
16528         get_vectype_for_scalar_type, vect_is_simple_use,
16529         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
16530         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
16531         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
16532         vectorizable_store, vectorizable_operation, vectorizable_assignment,
16533         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
16534         find_loop_location): Likewise.
16535
16536         * tree-vectorizer.c (langhooks.h): #include removed.
16537         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
16538         moved to tree-vectorized.h.
16539         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
16540         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
16541         get_vectype_for_scalar_type, vect_is_simple_use,
16542         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
16543         vect_supportable_dr_alignment, new_loop_vec_info,
16544         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
16545         vect_set_verbosity_level, find_loop_location): Likewise.
16546
16547         (vect_analyze_loop): Function externalized. Declaration moved to
16548         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
16549         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
16550         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
16551         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
16552         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
16553         vect_enhance_data_refs_alignment, vect_analyze_operations,
16554         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
16555         vect_stmt_relevant_p, vect_get_loop_niters,
16556         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
16557         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
16558         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
16559         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
16560         vect_get_memtag): Likewise.
16561
16562         (vectorizable_load): Function externalized. Declaration moved to
16563         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
16564         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
16565         vect_transform_loop): Likewise.
16566         (vect_transform_stmt): Moved to tree-vect-transform.c.
16567         (vect_align_data_ref, vect_create_destination_var,
16568         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
16569         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
16570         vect_get_vec_def_for_operand, vect_init_vector,
16571         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
16572         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
16573         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
16574         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
16575         vect_do_peeling_for_loop_bound): Likewise.
16576
16577         * tree-vect-analyze.c: New file.
16578         * tree-vect-transform.c: New file.
16579
16580 2005-02-17  Jason Merrill  <jason@redhat.com>
16581
16582         PR mudflap/19319, c++/19317
16583         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
16584         slot explicit.
16585
16586 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
16587
16588         * doc/install.texi (Specific): Update link for Darwin-specific
16589         tool binary site.
16590
16591 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
16592
16593         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
16594         constant_boolean_node.
16595
16596 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
16597
16598         PR target/19019
16599         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
16600         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
16601
16602 2005-02-16  Richard Henderson  <rth@redhat.com>
16603
16604         PR 19920
16605         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
16606         with W_TYPE_SIZE.
16607         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
16608         replace uses with Wtype_MAXp1_F.
16609         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
16610         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
16611         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
16612         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
16613         and HAVE_TFMODE as appropriate.
16614         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
16615         (__floatdisf): Likewise.
16616         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
16617         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
16618         (Wtype_MAXp1_F): New.
16619         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
16620         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
16621
16622 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
16623
16624         * PR target/19162
16625         * arm.c (arm_apply_result_size): New function.
16626         * arm.h (APPLY_RESULT_SIZE): Define.
16627         * arm-protos.h (arm_apply_result_size): Add prototype.
16628         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
16629         (movxf): New expand.
16630         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
16631         (call_value_symbol): Remove predicate for operand 0.
16632         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
16633         (untyped_call): Rework to correclty return values for any type.
16634         (untyped_return): New expand.
16635         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
16636
16637 2005-02-16  Stan Shebs  <shebs@apple.com>
16638
16639         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
16640         * config/rs6000/t-darwin8: New, for 64-bit multilib.
16641
16642 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
16643
16644         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
16645         configure settings on Solaris 7 and later.
16646
16647 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
16648
16649         PR tree-optimization/19865
16650         * tree-optimize.c (init_tree_optimization_passes): Run
16651         pass_may_alias after pass_sra.
16652
16653 2005-02-16  Richard Henderson  <rth@redhat.com>
16654             Stuart Hastings  <stuart@apple.com>
16655
16656         PR debug/19521
16657         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
16658         Do nothing if debug info suppressed for this function.
16659         (dbxout_begin_function): Early exit if debug info suppressed for
16660         this function.
16661
16662 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
16663
16664         PR target/20007
16665         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
16666         find_basic_blocks.
16667         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
16668
16669         PR tree-optimization/19967
16670         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
16671         expand_builtin_strchr, expand_builtin_strrchr): Take a new
16672         argument TYPE.  Adjust calls to fold_builtin_XXX.
16673         (expand_builtin, fold_builtin_1): Adjust calls to
16674         expand_builtin_XXX.
16675         (fold_builtin_strchr, fold_builtin_strpbrk,
16676         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
16677         result to a requested type TYPE.
16678
16679 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
16680
16681         PR middle-end/19857
16682         * fold-const.c (fold): Don't optimize (T)(x & cst) to
16683         (T)x & (T)cst if (T)cst overflows.
16684         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
16685         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
16686
16687 2005-02-15  Jeff Law  <law@redhat.com>
16688
16689         * gcse.c (blocks_with_calls): New bitmap.
16690         (alloc_gcse_mem): Allocate it.
16691         (free_gcse_mem): Free it.
16692         (clear_modifY_mem_tables): Clear it.
16693         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
16694         when we encounter CALL_INSNs.
16695         (compute_transp, case MEM): Handle blocks with calls separate
16696         from blocks without calls.  Use bitmap iterators rather than
16697         FOR_EACH_BB.
16698
16699 2005-02-15  Peter O'Gorman  <peter@pogma.com>
16700
16701         PR bootstrap/18810
16702         * mklibgcc.in (vis_hide): Use a temporary object file, not
16703         -o /dev/null.
16704
16705 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
16706
16707         PR target/19924
16708         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
16709         access optimization.
16710
16711 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
16712             Alan Modra  <amodra@bigpond.net.au>
16713
16714         PR target/19019
16715         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
16716         (_xlqsub): Rename to __gcc_qsub.
16717         (_xlqmul): Rename to __gcc_qmul.
16718         (_xlqdiv): Rename to __gcc_qdiv.
16719         Provide versioned symbol aliases with old names.
16720         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
16721         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
16722         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
16723         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
16724         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
16725
16726 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16727
16728         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
16729         Fold ~(A - 1) and ~(A + -1) to -A.
16730
16731 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16732
16733         PR pch/14940
16734         PR target/19300
16735         * config/host-linux.c (linux_gt_pch_use_address): Copy from
16736         config/pa/pa-host.c:pa_gt_pch_use_address.
16737
16738 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
16739
16740         * tree-vn.c (get_value_handle): Make sure that given an
16741         is_gimple_min_invariant expression, we always return it.
16742
16743 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16744
16745         * passes.c (rest_of_handle_gcse): Fix a comment.
16746
16747 2005-02-15  Jeff Law  <law@redhat.com>
16748
16749         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
16750         bitmap.
16751         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
16752         (canon_list_insert, record_last_mem_set_info): Similarly.
16753         (clear_modify_mem_tables): Similarly.
16754
16755 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16756
16757         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
16758         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
16759         config/mips/mips.md, config/rs6000/aix.h,
16760         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
16761
16762 2005-02-15  Richard Henderson  <rth@redhat.com>
16763
16764         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
16765         call to be best_edge.
16766
16767 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16768
16769         * basic-block.h: Adjust the prototype for find_basic_blocks.
16770         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
16771         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
16772         find_basic_blocks.
16773
16774         * flow.c (recompute_reg_usage): Remove all arguments.
16775         * passes.c (rest_of_compilation): Adjust the call to
16776         recompute_reg_usage.
16777         * rtl.h: Adjust the prototype for recompute_reg_usage.
16778
16779 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
16780
16781         * tree-dump.c (dump_files): Update to reflect new member
16782         of dump_file_info.
16783         (dump_register): Add new argument.
16784         Set glob name.
16785         (dump_switch_p_1): Check against glob name if doglob was passed.
16786         (dump_switch_p): Check against regular first, then glob if
16787         we didn't have any hits on the dump name.
16788         * tree-optimize.c (register_one_dump_file):
16789         Pass in glob name as well.
16790         * tree-pass.h (struct dump_file_info): Add glob
16791         member.
16792
16793 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
16794
16795         PR preprocessor/16323
16796         * doc/invoke.texi: Document that -Wendif-labels is on by default.
16797
16798 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
16799
16800         PR target/19019
16801         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
16802         (trunctfdf2_internal1): New.
16803         (trunctfdf2_internal2): Renamed from trunctfdf2.
16804
16805 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
16806
16807         PR tree-optimization/19853
16808         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
16809
16810 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16811
16812         * passes.c (rest_of_handle_loop_optimize): Remove calls to
16813         delete_dead_jumptables and cleanup_cfg.
16814
16815 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
16816
16817         * reload.c (find_reloads): Swap address_reloaded flags when
16818         swapping commutative operands.
16819
16820 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
16821
16822         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
16823         Use standard_iv_increment_position for computing the bsi position
16824         for create_iv.
16825         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
16826         the bsi position.
16827
16828 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
16829
16830         PR target/17428
16831         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
16832         life range of hard registers.
16833         * value-prof.c (insn_prefetch_values_to_profile): Only
16834         scan normal insns.
16835
16836         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
16837         profile in libcalls.
16838
16839 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
16840
16841         * bitmap.h (bitmap_and_compl_into): Return bool.
16842         * bitmap.c (bitmap_and_compl_into): Return changed flag.
16843
16844 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16845
16846         PR tree-optimization/19944
16847         * fold-const.c (fold): Re-add ABS_EXPR folding.
16848
16849 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
16850
16851         PR target/19019
16852         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
16853         {TARGET,MASK}_XL_COMPAT.
16854         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
16855         MASK_XL_COMPAT.
16856         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
16857         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
16858         TARGET_XL_COMPAT.
16859         (rs6000_arg_partial_bytes): Same.
16860         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
16861         and XL compatibility enabled.
16862         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
16863         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
16864         test to final condition.
16865         (cmptf_internal2): New.
16866         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
16867         xl-compat.  Add TFmode information to description.
16868
16869 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
16870
16871         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
16872
16873 2005-02-13  Jason Merrill  <jason@redhat.com>
16874
16875         PR c++/16405
16876         * fold-const.c (fold_indirect_ref_1): Split out from...
16877         (build_fold_indirect_ref): Here.
16878         (fold_indirect_ref): New fn.
16879         * tree.h: Declare it.
16880         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
16881         (gimplify_modify_expr_rhs): Likewise.
16882         (gimplify_expr): Likewise.
16883
16884 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16885
16886         PR tree-optimization/14303
16887         PR tree-optimization/15784
16888         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
16889         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
16890         ABS_EXPR<x> != 0 to x != 0.
16891
16892 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
16893
16894         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
16895         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
16896         spelling conventions.
16897
16898         * passes.c (rest_of_handle_gcse): Don't run cse_main and
16899         delete_trivially_dead_insns too many times.
16900
16901         * passes.c (rest_of_handle_gcse): Remove dead assignments to
16902         tem and tem2.
16903
16904 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16905
16906         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
16907         (vect_is_simple_iv_evolution): Remove redundant parameter
16908         and step check.
16909         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
16910         without last parameter.
16911         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
16912         Return pointer step. Call vect_is_simple_iv_evolution without
16913         last parameter. Check only that the step is multiple of size
16914         type. Remove stmt_vinfo updates.
16915         (vect_get_memtag_and_dr): Remove.
16916         (vect_get_memtag): New function.
16917         (vect_address_analysis): New function.
16918         (vect_object_analysis): New function.
16919         (vect_analyze_data_refs): Call vect_object_analysis and
16920         vect_get_memtag. Update stmt_vinfo fields.
16921
16922 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16923
16924         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
16925         exist and are objects. Remove checks for pointer.
16926         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
16927         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
16928         (vect_create_data_ref_ptr): Likewise.
16929         (vect_base_addr_differ_p): New function.
16930         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
16931         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
16932         Don't set the DR_BASE_NAME field of data-ref.
16933         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
16934
16935 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
16936
16937         * optabs.h (enum optab_index): Add new OTI_ldexp.
16938         (ldexp_optab): Define corresponding macro.
16939         * optabs.c (init_optabs): Initialize ldexp_optab.
16940         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
16941         patterns.
16942         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
16943         using ldexp_optab.
16944         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
16945         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
16946
16947         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
16948         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
16949         intrinsics.
16950
16951 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16952
16953         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
16954         to base_address.
16955         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
16956         stmt_vec_info.
16957         (vect_get_base_and_offset): Always return an address.
16958         (vect_create_addr_base_for_vector_ref): Remove treatment for
16959         different data reference types.
16960         (vect_compute_data_ref_alignment): Rename base to base_address in
16961         stmt_vec_info. Get the object in order to force its alignment.
16962         (vect_get_memtag_and_dr): Rename base to base_address in
16963         stmt_vec_info. Extract the object for memtag analysis.
16964
16965 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
16966
16967         PR regression/19898.
16968         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
16969         changes cc_status, use apply modified_in_p to part of cc_status
16970         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
16971         body.
16972
16973 2005-02-11  Richard Henderson  <rth@redhat.com>
16974
16975         * tree-complex.c (expand_complex_libcall): New.
16976         (expand_complex_multiplication): Use it for c99 compliance.
16977         (expand_complex_division): Likewise.
16978         * fold-const.c (fold_complex_add, fold_complex_mult): New.
16979         (fold): Call them.
16980         * builtins.c (built_in_names): Remove const.
16981         * tree.c (build_common_builtin_nodes): Build complex arithmetic
16982         builtins.
16983         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
16984         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
16985         (built_in_names): Remove const.
16986         * c-common.c (c_common_type_for_mode): Handle complex modes.
16987         * flags.h, toplev.c (flag_complex_method): Rename from
16988         flag_complex_divide_method.
16989         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
16990         __mulsc3, __muldc3, __mulxc3, __multc3): New.
16991         * libgcc2.h: Declare them.
16992         * libgcc-std.ver: Export them.
16993         * mklibgcc.in (lib2funcs): Build them.
16994
16995 2005-02-11  Steven Bosscher  <stevenb@suse.de>
16996
16997         PR tree-optimization/19876
16998         Partially revert my change from 2005-01-14
16999         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
17000         (compute_antic): ...and remove the loop here.
17001
17002 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
17003
17004         PR middle-end/19858
17005         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
17006         is number of inner's bits, avoid creating a BIT_FIELD_REF.
17007
17008         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
17009         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
17010
17011 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
17012
17013         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
17014         offsets for the big-endian 32-bit case.
17015
17016 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
17017
17018         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
17019
17020 2005-02-11  Dale Johannesen  <dalej@apple.com>
17021
17022         * cselib.c (cselib_process_insn):  Clear out regs where
17023         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
17024         * reload.c (find_equiv_reg): Ditto.
17025
17026 2005-02-11  Ian Lance Taylor  <ian@airs.com>
17027
17028         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
17029         with no elements.
17030
17031         * tree.c (build_function_type_list): Work correctly if there are
17032         no arguments.
17033
17034 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
17035
17036         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
17037         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
17038         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
17039         TARGET_ZARCH instead of TARGET_64BIT.
17040
17041 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
17042
17043         * config/rs6000/t-rtems:
17044         (MULTILIB_OPTIONS): Remove mcpu=602.
17045         (MUTLILIB_DIRNAMES): Remove m602.
17046         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
17047         Let mcpu=602 match mcpu=603.
17048         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
17049
17050 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17051
17052         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
17053         signal trampolines.
17054
17055 2005-02-10  David Daney  <ddaney@avtrex.com>
17056
17057         * config/alpha/linux-unwind.h: Add exception clause to copyright.
17058         * config/i386/linux-unwind.h: Likewise.
17059         * config/ia64/linux-unwind.h: Likewise.
17060         * config/mips/linux-unwind.h: Likewise.
17061         * config/pa/linux-unwind.h: Likewise.
17062         * config/rs6000/linux-unwind.h: Likewise.
17063         * config/s390/linux-unwind.h: Likewise.
17064         * config/sh/linux-unwind.h: Likewise.
17065         * config/sparc/linux-unwind.h: Likewise.
17066
17067 2005-02-10  Steven Bosscher  <stevenb@suse.de>
17068
17069         PR tree-optimization/17549
17070         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
17071         TER to replace a DEF with its expression if the DEF and the
17072         rhs of the expression we replace into have the same root
17073         variable.
17074
17075 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
17076
17077         * config/mips/mips.md: Fix the placement of the match_scratch in the
17078         lea64 peephole2.
17079
17080 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
17081
17082         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
17083         Fix comment typos.
17084
17085 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
17086
17087         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
17088         (strip_offset): Handle addresses.
17089         (add_address_candidates): Use strip_offset.
17090         (difference_cost): Reflect strip_offset change.
17091         (force_var_cost, difference_cost): Strip nops.
17092
17093 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
17094
17095         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
17096
17097         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
17098         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
17099         config/cris/cris-protos.h, config/cris/cris.c: Update
17100         copyright.
17101
17102 2005-02-10  Jeff Law  <law@redhat.com>
17103
17104         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
17105         (lookup_avail_expr): Similarly.
17106
17107 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
17108
17109         * builtins.c (fold_builtin_powi): New function.
17110         (fold_builtin_1): Call it.
17111
17112 2005-02-10  Steven Bosscher  <stevenb@suse.de>
17113
17114         PR documentation/19309
17115         * doc/cpp.texi: The __GNUC__ and related predefined macros
17116         are also defined for the "standalone" cpp.
17117         Some non-GCC compilers may also define __GNUC__.
17118
17119 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
17120
17121         PR c/19342
17122         * c-typeck.c (common_type): New routine.  Old common_type renamed
17123         to...
17124         (c_common_type): ...this.
17125         (build_conditional_expr, build_binary_op): Use c_common_type instead
17126         of common_type.
17127
17128 2005-02-10  Steven Bosscher  <stevenb@suse.de>
17129
17130         * doc/md.texi: Replace @samp{length} with @code{length}.
17131
17132 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
17133
17134         PR tree-optimization/18687
17135         * tree-flow.h (find_loop_niter): Declare.
17136         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
17137         Try using scev even for loops with more than one exit.
17138         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
17139         (struct ivopts_data): Added niters field.
17140         (struct nfe_cache_elt): New.
17141         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
17142         functions.
17143         (tree_ssa_iv_optimize_init): Initialize niters cache.
17144         (determine_number_of_iterations): Removed.
17145         (find_induction_variables): Do not call determine_number_of_iterations.
17146         Access niters for single exit through niter_for_single_dom_exit.
17147         (add_iv_outer_candidates): Access niters for single exit through
17148         niter_for_single_dom_exit.
17149         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
17150         number_of_iterations_cond.
17151         (iv_period): New function.
17152         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
17153         (may_replace_final_value): Take data argument.  Use
17154         niter_for_single_dom_exit.
17155         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
17156         (rewrite_use_compare): Pass data to may_eliminate_iv.
17157         (rewrite_use_outer): Pass data to may_replace_final_value.
17158         (free_loop_data): Clean up the niters cache.
17159         (tree_ssa_iv_optimize_finalize): Free the niters cache.
17160         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
17161         * tree-ssa-loop-niter.c (find_loop_niter): New function.
17162         (find_loop_niter_by_eval): Use tree_int_cst_lt.
17163         (num_ending_zeros): Moved to tree.c.
17164         * tree.h (num_ending_zeros): Declare.
17165         * tree.c (num_ending_zeros): Moved from tree.c.
17166
17167 2005-02-09  Richard Henderson  <rth@redhat.com>
17168
17169         * builtins.c (DEF_BUILTIN): Add COND argument.
17170         * tree.h (DEF_BUILTIN): Likewise.
17171         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
17172         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
17173         match.
17174         (DEF_BUILTIN_STUB): New.
17175         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
17176         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
17177         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
17178         * c-common.c (DEF_BUILTIN): Add COND argument.
17179         * tree.c (local_define_builtin): New.
17180         (build_common_builtin_nodes): New.
17181
17182 2005-02-09  Roger Sayle  <roger@eyesopen.com>
17183
17184         * fold-const.c (fold_strip_sign_ops): New function to simplify a
17185         floating point expression ignoring the sign of the result.
17186         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
17187         (fold) <MULT_EXPR>: Use it to simplify x*x.
17188         * tree.h (fold_strip_sign_ops): Prototype here.
17189         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
17190         argument.  Use fold_strip_sign_ops to simplify the first argument.
17191         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
17192         first argument when the second argument is an even integer
17193         constant, but only with -funsafe_math_optimizations.
17194         (fold_builtin_1): Update call to fold_builtin_copysign.
17195
17196 2005-02-09  Ian Lance Taylor  <ian@airs.com>
17197
17198         PR middle-end/19583
17199         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
17200         just check whether EH_FILTER_FAILURE falls through.
17201
17202 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
17203
17204         * gcc/haifa-sched.c (schedule_block): Make queued sched group
17205         insns return to ready list in the next turn.
17206
17207 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
17208
17209         PR middle-end/19402
17210         * builtins.def: New __builtin_powi[lf].
17211         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
17212         (expand_builtin_powi): New function.
17213         (expand_builtin): Dispatch to expand_builtin_powi.
17214         * libgcc2.h: Add prototypes for __builtin_powi[lf].
17215         * libgcc2.c: Add __builtin_powi[lf] implementation.
17216         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
17217         * optabs.h: Add powi_optab.
17218         * optabs.c (init_optabs): Initialize powi_optab.
17219         * doc/extend.texi: Document __builtin_powi[lf].
17220
17221 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
17222
17223         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
17224         exists.
17225
17226 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
17227
17228         PR middle-end/19854
17229         * fold-const.c (try_move_mult_to_index): Remove redundant
17230         type argument.  Create ADDR_EXPR with correct type.
17231         (fold): Update callers of try_move_mult_to_index.  Convert
17232         result to the appropriate type.
17233
17234 2005-02-09  Roger Sayle  <roger@eyesopen.com>
17235
17236         PR target/19597
17237         * config/avr/avr.c (default_rtx_costs): Delete.
17238         (avr_operand_rtx_cost): New function.
17239         (avr_rtx_costs): Completely rewrite.
17240
17241 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
17242
17243         PR target/19806
17244         * config/cris/cris.c (in_code): New variable.
17245         (cris_output_addr_const): Now a static function, a wrapper for
17246         output_addr_const.
17247         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
17248         case from old cris_output_addr_const.
17249         (cris_asm_output_label_ref): Similar for LABEL_REF.
17250         (cris_output_addr_const_extra): Similar for UNSPEC.
17251         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
17252         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
17253         * config/cris/cris-protos.h (cris_output_addr_const): Remove
17254         declaration.
17255         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
17256         (cris_asm_output_label_ref): Declare.
17257
17258 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
17259
17260         PR preprocessor/19801
17261         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
17262         filenames that changed when libcpp was moved to the toplevel.
17263
17264 2005-02-07  Roger Sayle  <roger@eyesopen.com>
17265
17266         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
17267         zero extensions of BImode operands.  Call lowpart_subreg instead
17268         of gen_lowpart_common and gen_lowpart_SUBREG.
17269
17270 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
17271
17272         PR ada/19489
17273         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
17274         * configure.ac: Set cc_for_cross_gnattools.
17275         * configure: Regenerate.
17276
17277 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
17278
17279         PR target/19803
17280         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
17281
17282 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17283
17284         PR debug/19327
17285         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
17286         of nested functions.
17287
17288 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
17289
17290         * doc/extend.texi: Document deprecated extensions allowing
17291         static floating-point members to have initializers and allowing
17292         floating-point literals in integral constant expressions.
17293
17294 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
17295
17296         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
17297         config/darwin7.h, config/mips/mips.c,
17298         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
17299         Update copyright.
17300
17301         * cse.c: Update comments.
17302
17303 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
17304
17305         PR middle-end/19775
17306         * builtins.c (fold_builtin_sqrt): Transform
17307         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
17308         pow(x,y*0.5).
17309
17310 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
17311             Dorit Naishlos  <dorit@il.ibm.com>
17312
17313         * doc/invoke.texi (ftree-vectorizer-verbose): New.
17314         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
17315         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
17316         was added.
17317         * tree.h (vect_set_verbosity_level): New extern function declaration
17318         added.
17319         * tree-vectorizer.h (verbosity_levels): New enum type.
17320         * tree-vectorizer.c (vect_debug_stats): Function removed.
17321         (vect_debug_details): Likewise.
17322         (vect_verbosity_level): Global variable was defined and initialized.
17323         (vect_dump): Global variable definition.
17324         (vect_print_dump_info): New function.
17325         (vect_set_dump_settings): New function.
17326         (vect_set_verbosity_level): New function.
17327         (vectorize_loops): Add call to vect_set_dump_settings.
17328
17329         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
17330         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
17331         (slpeel_tree_peel_loop_to_edge): Likewise.
17332
17333         (vect_analyze_offset_expr): Call to vect_print_dump_info with
17334         appropriate verbosity level instead of call to vect_debug_details
17335         or vect_debug_stats.
17336         (vect_get_base_and_offset):
17337         (vect_create_addr_base_for_vector_ref):
17338         (get_vectype_for_scalar_type):
17339         (vect_create_data_ref_ptr):
17340         (vect_init_vector):
17341         (vect_get_vec_def_for_operand):
17342         (vect_finish_stmt_generation):
17343         (vectorizable_assignment):
17344         (vectorizable_operation):
17345         (vectorizable_store):
17346         (vectorizable_load):
17347         (vect_transform_stmt):
17348         (vect_update_ivs_after_vectorizer):
17349         (vect_do_peeling_for_loop_bound):
17350         (vect_update_inits_of_drs):
17351         (vect_do_peeling_for_alignment):
17352         (vect_transform_loop):
17353         (vect_is_simple_use):
17354         (vect_analyze_operations):
17355         (vect_is_simple_iv_evolution):
17356         (vect_analyze_scalar_cycles):
17357         (vect_analyze_data_ref_dependence):
17358         (vect_analyze_data_ref_dependences):
17359         (vect_compute_data_ref_alignment):
17360         (vect_enhance_data_refs_alignment):
17361         (vect_analyze_data_refs_alignment):
17362         (vect_analyze_data_ref_access):
17363         (vect_analyze_data_ref_accesses):
17364         (vect_analyze_pointer_ref_access):
17365         (vect_get_memtag_and_dr):
17366         (vect_analyze_data_refs):
17367         (vect_mark_relevant):
17368         (vect_stmt_relevant_p):
17369         (vect_mark_stmts_to_be_vectorized):
17370         (vect_can_advance_ivs_p):
17371         (vect_get_loop_niters):
17372         (vect_analyze_loop_form):
17373         (vect_analyze_loop):
17374         (vectorize_loops): Likewise.
17375
17376         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
17377         (vect_update_inits_of_drs):
17378         (vect_do_peeling_for_alignment):
17379         (vect_transform_loop):
17380         (vect_analyze_operations):
17381         (vect_analyze_scalar_cycles):
17382         (vect_analyze_data_ref_dependences):
17383         (vect_analyze_data_refs_alignment):
17384         (vect_analyze_data_ref_accesses):
17385         (vect_analyze_data_refs):
17386         (vect_mark_stmts_to_be_vectorized):
17387         (vect_get_loop_niters):
17388         (vect_analyze_loop_form):
17389         (vect_analyze_loop): Likewise.
17390         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
17391
17392 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
17393
17394         PR bootstrap/19796
17395         Revert:
17396         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
17397         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
17398         either -ffast-math or -funsafe-math-optimizations is in use.
17399
17400         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
17401         * config/mips/irix-csr.c: New file.
17402         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
17403         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
17404         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
17405         executables.
17406
17407 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
17408
17409         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
17410         redundant, incorrect definitions.
17411
17412         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
17413         expand.
17414         ("*tls_indirect_call"): New, reference hard regs directly.
17415         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
17416
17417 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
17418
17419         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
17420         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
17421
17422 2005-02-06  Roger Sayle  <roger@eyesopen.com>
17423
17424         PR rtl-optimization/19800
17425         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
17426         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
17427         gen_lowpart.
17428
17429 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
17430
17431         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
17432
17433 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
17434
17435         PR other/17135
17436         * doc/invoke.texi: Correct documentation of -freorder-functions.
17437
17438 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17439
17440         PR other/14402
17441         * doc/invoke.texi: Don't mention gccbug.
17442
17443 2005-02-06  Roger Sayle  <roger@eyesopen.com>
17444             Andrew Pinski  <pinskia@physics.uc.edu>
17445             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
17446
17447         * simplify-rtx.c (simplify_relational_operation_1): Simplify
17448         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
17449         into just (zero_extract:SI FOO (const_int 1) BAR).
17450
17451 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17452
17453         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
17454         macro locally.  Don't give last revision date.  Use GCC version
17455         number from gcc-common.texi.
17456         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
17457         revision date.  Use GCC version number from gcc-common.texi.
17458         Describe being a library as current state rather than as 3.x
17459         history.
17460         * doc/gcc.texi: Remove last update date.
17461         * doc/gccint.texi: Likewise.  Update copyright dates.
17462         * doc/install.texi: Update copyright dates.
17463
17464 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17465
17466         PR other/7549
17467         * doc/invoke.texi: Mention for each option included in -Wall that
17468         it is included in -Wall.
17469         * doc/gcc.texi: Update copyright and last modification date.
17470
17471 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
17472
17473         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
17474         unnecessary cast to original induction variable increments.
17475
17476 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
17477
17478         PR tree-optimization/18219
17479         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
17480         in distributed form.
17481
17482 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
17483
17484         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
17485         Set bitpos and offset later in the function.  Do nothing if the
17486         target is a register and if the bitfield lies completely outside
17487         that register.
17488         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
17489         here.  Return an uninitialised register if the source value is stored
17490         in a register and the bitfield lies completely outside that register.
17491
17492 2005-02-06  Steven Bosscher  <stevenb@suse.de>
17493
17494         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
17495         not SET_DEST.
17496
17497 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
17498
17499         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
17500
17501 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
17502
17503         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
17504         * config/darwin8.h: New.
17505         * config/darwin7.h: Update comment.
17506
17507 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
17508             Dorit Naishlos  <dorit@il.ibm.com>
17509
17510         * tree-vectorizer.h (LOC): New type.
17511         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
17512         (loop_line_number): New field in struct _loop_vec_info.
17513         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
17514
17515         * tree-vectorizer.c (input.h): Included.
17516         (find_loop_location): New function.
17517         (vect_debug_stats): Argument changed from loop to LOC. Computation of
17518         loop line number removed.
17519         (vect_debug_details): Likewise.
17520         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
17521
17522         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
17523         call to vect_debug_details/stats changed from loop to loop_loc.
17524         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
17525         (slpeel_tree_peel_loop_to_edge): Likewise.
17526
17527         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
17528         changed from NULL to UNKNOWN_LOC.
17529         (vect_get_base_and_offset):
17530         (vect_create_addr_base_for_vector_ref):
17531         (get_vectype_for_scalar_type):
17532         (vect_create_data_ref_ptr):
17533         (vect_init_vector):
17534         (vect_get_vec_def_for_operand):
17535         (vect_finish_stmt_generation):
17536         (vectorizable_assignment):
17537         (vectorizable_operation):
17538         (vectorizable_store):
17539         (vectorizable_load):
17540         (vect_transform_stmt):
17541         (vect_update_ivs_after_vectorizer):
17542         (vect_do_peeling_for_loop_bound):
17543         (vect_do_peeling_for_alignment):
17544         (vect_transform_loop):
17545         (vect_is_simple_use):
17546         (vect_analyze_operations):
17547         (vect_is_simple_iv_evolution):
17548         (vect_analyze_scalar_cycles):
17549         (vect_analyze_data_ref_dependences):
17550         (vect_compute_data_ref_alignment):
17551         (vect_enhance_data_refs_alignment):
17552         (vect_analyze_data_ref_access):
17553         (vect_analyze_data_ref_accesses):
17554         (vect_analyze_pointer_ref_access):
17555         (vect_get_memtag_and_dr):
17556         (vect_analyze_data_refs):
17557         (vect_mark_relevant):
17558         (vect_stmt_relevant_p):
17559         (vect_mark_stmts_to_be_vectorized):
17560         (vect_can_advance_ivs_p):
17561         (vect_get_loop_niters):
17562         (vect_analyze_loop):
17563         (vectorize_loops): Likewise.
17564
17565         (vectorizable_load): Argument in call to vect_debug_details/stats
17566         changed from loop to LOOP_LOC (loop_vinfo).
17567         (vect_transform_loop):
17568         (vect_analyze_operations):
17569         (vect_analyze_scalar_cycles):
17570         (vect_analyze_data_ref_dependence):
17571         (vect_enhance_data_refs_alignment):
17572         (vect_analyze_data_ref_accesses):
17573         (vect_analyze_pointer_ref_access):
17574         (vect_analyze_data_refs):
17575         (vect_analyze_loop): Likewise.
17576
17577         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
17578         changed from loop to loop_loc.
17579
17580         (vect_enhance_data_refs_alignment): Removed unused variable loop.
17581
17582 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
17583             Dorit Naishlos  <dorit@il.ibm.com>
17584
17585         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
17586         declaration added.
17587         (vect_analyze_data_ref_dependences): Likewise.
17588
17589         (vect_is_simple_use): Argument changed from loop structure to
17590         loop_vect_info structure.
17591         (vect_can_advance_ivs_p): Likewise.
17592         (vect_create_index_for_vector_ref): Likewise.
17593         (vect_update_ivs_after_vectorizer): Likewise.
17594         (new_stmt_vec_info): Likewise.
17595
17596         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
17597         changed from loop to loop_vinfo.
17598         (vect_create_data_ref_ptr): First argument in call to
17599         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
17600         (vectorizable_assignment): Second argument in call to vect_is_simple_use
17601         was changed from loop to loop_vinfo.
17602         (vectorizable_operation): Likewise.
17603         (vectorizable_store): Likewise.
17604         (vect_mark_stmts_to_be_vectorized): Likewise.
17605         (vect_do_peeling_for_loop_bound): First argument in call to
17606         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
17607         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
17608         was changed from loop to loop_vinfo.
17609         (vect_analyze_data_ref_dependences): Third argument in call to
17610         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
17611
17612         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
17613         (vect_create_data_ref_ptr): Likewise.
17614         (vect_init_vector): Likewise.
17615         (vect_get_vec_def_for_operand): Likewise.
17616         (vectorizable_assignment): Likewise.
17617         (vectorizable_operation): Likewise.
17618         (vectorizable_store): Likewise.
17619         (vectorizable_load): Likewise.
17620         (vect_update_ivs_after_vectorizer): Likewise.
17621         (vect_is_simple_use): Likewise.
17622         (vect_analyze_data_ref_dependence): Likewise.
17623         (vect_analyze_pointer_ref_access): Likewise.
17624         (vect_can_advance_ivs_p): Likewise.
17625
17626         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
17627         before _stmt_vec_info.
17628         (_stmt_vec_info): Loop field replaced by loop_vec_info.
17629         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
17630         (new_stmt_vec_info): Argument changed from loop structure to
17631         loop_vect_info structure
17632
17633         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
17634         (vect_analyze_offset_expr): Avoid 80 columns overflow.
17635         (vect_create_addr_base_for_vector_ref): Likewise.
17636         (vect_analyze_pointer_ref_access): Likewise.
17637
17638 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
17639
17640         PR tree-opt/19768
17641         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
17642         phi flag if the phi is abnormal.
17643
17644 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
17645
17646         PR tree-opt/19736
17647         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
17648         information for the new statement.
17649
17650 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
17651
17652         PR driver/19117
17653         * gcc.c (main): Include the target in -v output.
17654
17655 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
17656
17657         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
17658         Do not drop the extend if we'd have to add a paradoxical subreg
17659         later.  Include optabs.h and insn-codes.h.
17660         * Makefile.in (combine.o): Depend on $(OPTABS_H).
17661
17662 2005-02-02  Roger Sayle  <roger@eyesopen.com>
17663
17664         PR middle-end/19405
17665         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
17666         * fold-const.c (const_binop): Avoid constant folding floating
17667         point operations in modes that use composite representations.
17668         * simplify-rtx.c (simplify_binary_operation): Likewise.
17669
17670 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
17671
17672         * config/rs6000/altivec.md (altivec_dst): Make the first operand
17673         a REG, not a MEM.
17674         (altivec_dstt): Likewise.
17675         (altivec_dstst): Likewise.
17676         (altivec_dststt): Likewise.
17677         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
17678         of first operand.
17679
17680 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17681
17682         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
17683         EXPR_LOCUS from orig_cond to the new cond_stmt.
17684         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
17685         the new vec_stmt.
17686
17687 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17688
17689         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
17690         standard_iv_increment_position. Remove call to bsi_next
17691         (no need to bump the iterator anymore).
17692         (vect_create_index_for_vector_ref): Call
17693         standard_iv_increment_position. Remove second function argument.
17694         (vect_finish_stmt_generation): Remove call to bsi_next
17695         (no need to bump the iterator anymore).
17696         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
17697         to vect_create_index_for_vector_ref.
17698
17699 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17700
17701         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
17702         phis are used out of the loop.
17703
17704 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
17705
17706         PR c/17807
17707         * c-decl.c (undef_nested_function): New variable.
17708         (pop_scope): Diagnose undefined nested functions.
17709         (finish_function): Don't attempt cgraph processing or genericizing
17710         if current top-level function contained an undefined nested
17711         function.  Reset undef_nested_function at the end of a top-level
17712         function.
17713
17714 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
17715
17716         * tree.c (build_int_cst_type): Take sign of the value into account
17717         when deciding whether sign extend the value.
17718
17719 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17720
17721         PR c/18502
17722         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
17723         (cpp_options, cc1_options): Change %{std*&ansi} to
17724         %{std*&ansi&trigraphs}.
17725
17726 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17727
17728         * cse.c: Update comments.
17729
17730 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
17731
17732         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
17733         arguments go on the stack.  Do not put complex doubles in odd/even
17734         pairs.
17735
17736 2005-02-02  Steven Bosscher  <stevenb@suse.de>
17737
17738         * doc/invoke.texi: Update the options enabled at -O1, -O2,
17739         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
17740         -ftree-pre, and -fthread-jumps.
17741
17742 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
17743
17744         PR tree-optimization/19578
17745         * tree-flow.h (modified_noreturn_calls): Declare.
17746         (noreturn_call_p): Declare.
17747         * tree-flow-inline.h (noreturn_call_p): New function.
17748         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
17749         * tree-cfg.c (modified_noreturn_calls): New variable.
17750         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
17751         that contain a mid-block noreturn call.
17752         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
17753
17754 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17755
17756         * df.c (df_def_record_1, df_uses_record): Don't use
17757         DF_FOR_REGALLOC.
17758         * df.h (DF_FOR_REGALLOC): Remove.
17759
17760 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17761
17762         PR c/19435
17763         * c-typeck.c (really_start_incremental_init): Reset
17764         constructor_max_index for arrays of incomplete type.
17765
17766 2005-02-02  Jeff Law  <law@redhat.com>
17767
17768         * gcse.c (struct reg_set): Store the block index where the register
17769         was set rather than the setting insn.
17770         (record_one_set, compute_transp): Corresponding changes.
17771         (pre_insert_copy_insn): Do not call replace_one_set.
17772         (replace_one_set): Remove.
17773
17774 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17775
17776         PR other/15514
17777         * doc/gcov.texi: Fix typo.
17778
17779 2005-02-01  Richard Henderson  <rth@redhat.com
17780
17781         PR target/19680
17782         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
17783         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
17784         type to bool.
17785         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
17786         * config/i386/i386-protos.h: Update.
17787
17788 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17789
17790         PR tree-optimization/19217
17791         * tree-cfg.c (verify_expr): Use the data field to see if TP was
17792         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
17793         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
17794         that it is walking a PHI node.
17795
17796 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
17797
17798         * doc/extend.texi (Nested Functions): Update.
17799
17800 2005-02-01  Richard Henderson  <rth@redhat.com>
17801
17802         PR 19696
17803         * optabs.c (expand_copysign_absneg): Export.
17804         * optabs.h (expand_copysign_absneg): Declare.
17805         * config/rs6000/rs6000.md (copysigntf3): New.
17806
17807 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17808
17809         PR tree-optimization/19633
17810         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
17811         * tree-ssa-alias.c (init_alias_info): Initialize.
17812         (merge_pointed_to_info): Set.
17813         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
17814         (dump_points_to_info_for): Show value of pt_null.
17815         (struct count_ptr_d): Declare.
17816         (find_ptr_dereference): Remove.
17817         (ptr_is_dereferenced_by): Remove.
17818         (count_ptr_derefs): New local function.
17819         (count_uses_and_derefs): New local function.
17820         (compute_points_to_and_addr_escape): Call it.  If the number
17821         of dereferences is greater than zero, mark the pointer as
17822         dereferenced.  If there are fewer dereferences than uses of
17823         the pointer, the pointer's value escapes.
17824
17825 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17826
17827         PR tree-optimization/19670
17828         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
17829         here...
17830         (verify_use): ... set it here, instead.
17831
17832 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
17833
17834         * doc/sourcebuild.texi (Test directives): Fix formatting.
17835
17836         * doc/sourcebuild.texi (Test directives): Describe selector
17837         expressions.
17838
17839 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
17840
17841         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
17842         specific 64-bit CPUs.
17843
17844 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
17845
17846         PR target/16201
17847         * arm.c (arm_eliminable_register): New function.
17848         (adjacent_mem_locations): Don't allow eliminable registers.  Use
17849         HOST_WIDE_INT for address offsets.
17850         * arm-protos.h (arm_eliminable_register): Add prototype.
17851
17852 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17853
17854         PR optimization/15242
17855         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
17856         * basic-block.h (duplicate_computed_gotos): Add prototype.
17857         * bb-reorder.c (duplicate_computed_gotos): New function to
17858         duplicate sufficiently small blocks ending in a computed jump.
17859         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
17860         if not optimizing for size.
17861         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
17862         never do tail merging for blocks ending in a computed jump.
17863         * doc/invoke.texi: Document the max-goto-duplication-insns param.
17864
17865 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
17866
17867         Patch from Richard Sandiford <rsandifo@redhat.com>
17868         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
17869         from inheriting a subreg equivalence with a non-spill register.
17870
17871         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
17872
17873 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
17874
17875         * config/frv/frv.c (movcc_fp_destination_operand): New.
17876         (gpr_or_memory_operand): Fix typo in comment.
17877         (gpr_or_memory_operand_with_scratch): New.
17878         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
17879         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
17880         movcc_fp_destination_operand.
17881         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
17882         Legitimize memory addresses using a scratch register.
17883
17884 2005-01-31  Jeff Law  <law@redhat.com>
17885
17886         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
17887         bitmap a sparse bitmap instead of a simple bitmap.
17888         (mark_def_sites_initialize_block):  Corresponding changes.
17889         (ssa_mark_def_sites_initialize_block): Likewise.
17890         (ssa_mark_phi_uses): Likewise.
17891         (mark_def_site, ssa_mark_def_sites): Likewise.
17892         (mark_def_site_blocks): Likewise.
17893         (rewrite_ssa_into_ssa): Likewise.
17894
17895         * tree-ssa-dom.c (record_cond): Pass correct variable type
17896         for last argument to htab_find_slot_with_hash.
17897
17898         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
17899         effects when optimizing 0 % X.  Do not try to optimize X % 0.
17900
17901 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
17902
17903         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
17904         1_mmalua.
17905
17906 2005-02-01  Eric Christopher  <echristo@redhat.com>
17907
17908         * config/mips/mips.c (override_options): Warn if -mint64
17909         is used.
17910         * doc/invoke.texi (MIPS Options): Document that -mint64 is
17911         deprecated.
17912
17913 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
17914
17915         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
17916         timestamp.
17917         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
17918         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
17919         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
17920         (cached_regno): Initialize to INVALID_REGNUM.
17921         (cse_reg_info_table_size,
17922         cse_reg_info_table_first_uninitialized,
17923         cse_reg_info_timestamp): New.
17924         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
17925         get_cse_reg_info.
17926         (init_cse_reg_info, get_cse_reg_info_1): New.
17927         (get_cse_reg_info): Cache the last look-up.
17928         (new_basic_block): Update the code to clear mappings from
17929         registers to cse_reg_info entries.
17930         (cse_main): Call init_cse_reg_info.
17931
17932         * cse.c (get_cse_reg_info): Update a comment.
17933
17934 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17935
17936         PR c/19333
17937         * c-decl.c (start_decl): Do not warn about arrays of elements with
17938         an incomplete type here.
17939         (grokdeclarator): Do it here by making a pedwarn an error.
17940         * c-typeck.c (push_init_level): If there were previous errors with
17941         the constructor type, do not warn about braces for initializers.
17942         (process_init_element): Likewise for excess initializer elements.
17943
17944 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
17945
17946         * cse.c (delete_trivially_dead_insn): Don't iterate.
17947
17948 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
17949
17950         * config/rs6000/rs6000.md (copysignsf3): New expand.
17951         (copysigndf3): Likewise.
17952
17953 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17954
17955         * recog.c (constrain_operands): Only look for earlyclobber operand
17956         conflicts if an '&' constraint was seen.
17957
17958 2005-01-31  Marc Espie <espie@openbsd.org>
17959
17960         * config.gcc: Don't include embedded systems fragment, switches default
17961         debugging format to ELF.
17962         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
17963         longer pick it up there.
17964
17965 2005-01-31  Dale Johannesen  <dalej@apple.com>
17966
17967         * doc/extend.texi (nested functions): Fix linkage description.
17968         Clarify that static is not allowed.
17969
17970 2005-01-31  Dale Johannesen  <dalej@apple.com>
17971
17972         * config/rs6000/darwin.md (movsf_low_di):  Make work.
17973         (movdf_low_di):  Make work.
17974
17975 2005-01-31  Dale Johannesen  <dalej@apple.com>
17976
17977         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
17978         Make work for 64 bit.
17979
17980 2005-01-31  Roger Sayle  <roger@eyesopen.com>
17981             Dale Johannesen  <dalej@apple.com>
17982
17983         PR middle-end/19650
17984         * fold-const.c (fold_binary_op_with_conditional_arg):
17985         Make types match original operands, before STRIP_NOPS.
17986
17987 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
17988
17989         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
17990         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
17991         (struct gcc_sigcontext): Delete.  Merge contents to..
17992         (struct gcc_ucontext): ..here.
17993         (get_sigcontext): Delete.
17994         (get_regs): New function, like get_sigcontext but return regs ptr.
17995         64-bit version finds regs from r1 to support vdso.
17996         (ppc_linux_aux_vector): New function.
17997         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
17998         and vector regs.
17999
18000 2005-01-31  Ira Rosen  <irar@il.ibm.com>
18001
18002         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
18003         sizetype.
18004         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
18005         redundant fold. Fix misalignment for MINUS_EXPR.
18006         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
18007         (vect_analyze_pointer_ref_access): Likewise.
18008         (vect_get_memtag_and_dr): Likewise.
18009
18010 2005-01-31  Richard Henderson  <rth@redhat.com>
18011
18012         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
18013         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
18014         absnegdf2_i387, absnegxf2_i387): Likewise.
18015
18016 2005-01-31  Richard Henderson  <rth@redhat.com>
18017
18018         PR 19696
18019         * optabs.c (expand_copysign_absneg): New.
18020         (expand_copysign_bit): Split out from ...
18021         (expand_copysign): ... here.  Use expand_copysign_absneg.
18022
18023 2005-01-30  Roger Sayle  <roger@eyesopen.com>
18024
18025         PR middle-end/19697
18026         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
18027         constant as the second operand and a register as the third.
18028
18029 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
18030
18031         PR target/19704
18032         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
18033         that dllimport'd functions do not use all call-clobbered registers
18034         to pass parameters.
18035
18036 2005-01-30  Richard Henderson  <rth@redhat.com>
18037
18038         PR 19696
18039         * optabs.c (expand_absneg_bit): Split out from expand_unop and
18040         expand_abs_nojump and generalize.  Use operand_subword and
18041         emit_no_conflict_block.  Support large modes.
18042         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
18043         back to maximum.
18044         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
18045         negation to subtraction.
18046         (expand_copysign): Check that the format has signed zeros.
18047         Use operand_subword and emit_no_conflict_block.  Support large modes.
18048
18049 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
18050
18051         Fix PR tree-optimization/19624
18052
18053         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
18054         * tree-ssa-pre.c: Add cfgloop.h.
18055         Update comment.
18056         (pre_stats): New member, constified.
18057         (inserted_exprs): New static variable.
18058         (NECESSARY): New macro.
18059         (create_expression_by_pieces): Fold the expression, and
18060         mark it as defaulting to not necessary. Also put in
18061         inserted_exprs.
18062         (fully_constant_expression): New function.
18063         (insert_into_preds_of_block): Modify to not insert phis when we
18064         are playing with induction variables.
18065         Push phis onto the inserted_exprs vector, and mark them as not
18066         necessary by default.
18067         (insert_aux): Call fully_constant_expression on eprime.
18068         If all edges produce the same value, mark it constant.
18069         (mark_operand_necessary): New function.
18070         (remove_dead_inserted_code): New function.
18071         (init_pre): Init loop optimizer to get loop info.
18072         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
18073         (execute_pre): Commit edge inserts, then remove dead code.
18074
18075 2005-01-30  Richard Henderson  <rth@redhat.com>
18076
18077         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
18078         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
18079
18080 2005-01-30  Richard Henderson  <rth@redhat.com>
18081
18082         PR target/19700
18083         * config/i386/i386.c (ix86_expand_copysign): New.
18084         (ix86_split_copysign_const): New.
18085         (ix86_split_copysign_var): Rename from ix86_split_copysign,
18086         rearrange op1/nmask operands.
18087         * config/i386/i386-protos.h: Update.
18088         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
18089         (copysigndf3): Likewise.
18090         (copysignsf3_const, copysigndf3_const): New.
18091         (copysignsf3_var): Rename from copysignsf3, split out splitter
18092         and fix split predicate for X constraint.
18093         (copysigndf3_var): Similarly.
18094
18095 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
18096
18097         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
18098         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
18099         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
18100
18101 2005-01-29  Richard Henderson  <rth@redhat.com>
18102
18103         PR target/19690
18104         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
18105         of # and * in constraints.
18106
18107 2005-01-29  Richard Henderson  <rth@redhat.com>
18108
18109         PR middle-end/19689
18110         * expr.c (store_field): Don't strip sub-mode cast when the input
18111         data is even smaller.
18112
18113 2005-01-29  Richard Henderson  <rth@redhat.com>
18114
18115         PR middle-end/19687
18116         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
18117         union being empty.
18118
18119 2005-01-29  Richard Henderson  <rth@redhat.com>
18120
18121         * combine.c (make_field_assignment): Fix argument order
18122         to gen_int_mode.
18123
18124 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
18125
18126         PR tree-optimization/15791
18127         * fold-const.c (extract_array_ref): New function.
18128         (fold): Fold comparisons between &a[i] and &a[j] or
18129         semantically equivalent trees.
18130
18131 2005-01-29  Jeff Law  <law@redhat.com>
18132
18133         * gcse.c (insert_expr_in_table): Revamp handling of available
18134         and anticipatable occurrence lists to avoid unnecessary list
18135         walking.
18136         (insert_set_in_table): Similarly.
18137
18138 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
18139
18140         * c-common.c (fix_string_type): Just use c_build_qualified_type to
18141         build string type.
18142         (c_build_qualified_type): Build qualified array types with
18143         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
18144         * c-decl.c (c_make_fname_decl): Build unqualified array type
18145         before qualified type.
18146         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
18147         type is qualified, not just if type itself is.  Don't apply
18148         qualifiers to array type when declarator is processed.  Apply
18149         qualifiers to field type whether or not it is an array type.
18150         Don't handle array types specially for applying qualifiers to
18151         variables.
18152         * c-typeck.c (composite_type): Build unqualified element type and
18153         array type when forming composite of array types.
18154         (common_pointer_type, comptypes, comp_target_types,
18155         type_lists_compatible_p, build_indirect_ref, build_array_ref,
18156         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
18157         types.
18158         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
18159         (args2) in variables a1 and a2.
18160
18161 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
18162
18163         * cse.c (n_elements_made, max_elements_made): Remove.
18164         (insert): Don't touch n_elements_made.
18165         (cse_main): Don't touch n_elements_made or max_elements_made.
18166
18167 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
18168
18169         PR target/15384
18170         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
18171         configuration part of dp-bit.c to be lost.
18172
18173 2005-01-28  Roger Sayle  <roger@eyesopen.com>
18174
18175         * expmed.c (expand_mult_highpart_optab): When attempting to use
18176         a non-widening multiplication in a wider mode, the operands need
18177         to be converted (zero or sign extended) to that mode.
18178
18179 2005-01-28  Ian Lance Taylor  <ian@airs.com>
18180
18181         PR middle-end/16558
18182         PR middle-end/19583
18183         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
18184         through if both operands fall through.
18185
18186 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
18187
18188         * cse.c (fold_rtx) <PC>: Don't optimize.
18189
18190 2005-01-28  Jeff Law  <law@redhat.com>
18191
18192         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
18193         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
18194
18195 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
18196
18197         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
18198         cse_reg_info_used_list_end): Remove.
18199         (cse_reg_info_list, cse_reg_info_list_free): New.
18200         (get_cse_reg_info): When allocating an instance of
18201         cse_reg_info, add it to the beginning of the cse_reg_info_list
18202         list.  Remove code to maintain cse_reg_info_used_list.
18203         (new_basic_block): Reset the free list to the beginning of
18204         cse_reg_info_list.
18205
18206 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
18207
18208         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
18209         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
18210         (frv_expand_mdpackh_builtin): New function.
18211         (frv_expand_builtin): Use it to expand __MDPACKH.
18212         * doc/extend.texi (__MDPACKH): Update documentation.
18213
18214 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
18215
18216         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
18217         SSE_FLOAT_MODE_P for use_sse computation.
18218
18219 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
18220
18221         PR target/19663
18222         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
18223
18224 2005-01-27  Richard Henderson  <rth@redhat.com>
18225
18226         * builtins.c (expand_builtin_copysign): New.
18227         (expand_builtin): Call it.
18228         * genopinit.c (optabs): Add copysign_optab.
18229         * optabs.c (init_optabs): Initialize it.
18230         (expand_copysign): New.
18231         * optabs.h (OTI_copysign, copysign_optab): New.
18232         (expand_copysign): Declare.
18233
18234         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
18235         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
18236
18237         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
18238         (ix86_expand_fp_absneg_operator): ... here.
18239         (ix86_split_copysign): New.
18240         * config/i386/i386-protos.h: Update.
18241         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
18242         (copysignsf3, copysigndf3): New.
18243
18244         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
18245         (copysignsf3, ncopysignsf3): New.
18246         (copysigndf3, ncopysigndf3): New.
18247         (copysignxf3, ncopysignxf3): New.
18248         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
18249
18250 2005-01-27  Arend Bayer  <arend.bayer@web.de>
18251             Kazu Hirata  <kazu@cs.umass.edu>
18252
18253         * cse.c: (find_best_addr): Don't call copy_rtx before calling
18254         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
18255         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
18256         NULL_RTX.
18257
18258 2005-01-27  Jeff Law  <law@redhat.com>
18259
18260         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
18261         definitions of SSA_NAMEs which are not being rewritten.
18262         (rewrite_ssa_into_ssa): Only initialize the current definition
18263         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
18264         If checking is enabled, assert that SSA_NAME_AUX is clear for all
18265         SSA_NAMEs before returning.
18266
18267 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
18268
18269         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
18270         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
18271         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
18272         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
18273         config/mips/iris6.h, config/sh/sh.c: Update copyright.
18274
18275 2005-01-27  Steven Bosscher  <stevenb@suse.de>
18276
18277         PR middle-end/17278
18278         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
18279         higher to -O2 and higher.  Likewise for tree PRE.
18280         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
18281         and better.
18282
18283 2005-01-27  Ian Lance Taylor  <ian@airs.com>
18284
18285         PR middle-end/19583
18286         * gimple-low.c (try_catch_may_fallthru): New static function.
18287         (block_may_fallthru): Handle TRY_CATCH_EXPR.
18288         * tree-inline.c (expand_call_inline): Don't warn about reaching
18289         the end of a non-void function being inlined if the function uses
18290         a return slot.
18291
18292 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
18293
18294         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
18295
18296         PR c/18946
18297         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
18298         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
18299         (implicitly_declare): Handle error_mark_node.
18300
18301 2005-01-27  Richard Henderson  <rth@redhat.com>
18302
18303         PR tree-opt/14329
18304         * tree.h (struct tree_decl): Add debug_expr_is_from.
18305         (DECL_DEBUG_EXPR_IS_FROM): New.
18306         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
18307         * dwarf2out.c (dwarf2out_var_location): Update to match.
18308         * tree-outof-ssa.c (create_temp): Likewise.
18309         * var-tracking.c (track_expr_p): Likewise.
18310         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
18311         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
18312         * toplev.c (default_tree_printer): Likewise.
18313
18314 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
18315
18316         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
18317         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
18318
18319 2005-01-27  Steven Bosscher  <stevenb@suse.de>
18320
18321         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
18322         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
18323         ASM_CLOBBERS): Add tree checks.
18324
18325         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
18326         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
18327         * c-common.def (SWITCH_STMT): Update to match.
18328         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
18329         macros instead of SWITCH_EXPR ones.
18330         * c-dump.c (c_dump_tree): Likewise.
18331         * c-gimplify.c (gimplify_switch_stmt): Likewise.
18332         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
18333
18334         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
18335
18336 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
18337
18338         * unwind-dw2.c (execute_stack_op): Add missing cases for
18339         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
18340
18341 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
18342
18343         * config.gcc (Obsolete configurations): Remove 'dummy', add
18344         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
18345         sparc-*-openbsd*.
18346
18347 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
18348
18349         PR tree-optimization/19633
18350         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
18351         CALL_EXPRs.
18352         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
18353         are no call-clobbered variables.
18354         * tree-outof-ssa.c (check_replaceable): Return false for calls
18355         with side-effects.
18356
18357 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
18358
18359         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
18360         even for variables with NULL DECL_INITIAL.
18361
18362 2005-01-26  Stuart Hastings  <stuart@apple.com>
18363
18364         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
18365
18366 2005-01-26  Richard Henderson  <rth@redhat.com>
18367
18368         PR middle-end/18008
18369         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
18370         field's type.
18371         * expr.c (store_field): Strip conversions to odd-bit-sized types
18372         if the destination field width matches.
18373
18374 2005-01-26  Richard Henderson  <rth@redhat.com>
18375
18376         * c-decl.c, expmed.c, expr.c: Revert last change.
18377
18378 2005-01-26  Richard Henderson  <rth@redhat.com>
18379
18380         PR middle-end/18008
18381         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
18382         field's type.
18383         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
18384         if we don't need the bits above those present in the current mode.
18385         * expr.c (store_field): Strip conversions to odd-bit-sized types
18386         if the destination field width matches.
18387
18388 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
18389
18390         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
18391         either -ffast-math or -funsafe-math-optimizations is in use.
18392
18393 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
18394
18395         PR target/19293
18396         PR target/19329
18397         * config/avr/avr.c (notice_update_cc): Only set condition code for
18398         ashrqi3 if shift count > 0.
18399         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
18400         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
18401         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
18402         count <= 0 as a no-op, and shift count >= width by copying zero
18403         or sign bit to all bits of the result.
18404         * config/avr/avr.md (all shifts): Add alternatives for zero shift
18405         count, with attribute "length" set to 0 and "cc" set to "none".
18406
18407 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
18408
18409         * doc/invoke.texi: Document -mTLS.
18410
18411         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
18412         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
18413         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
18414         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
18415         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
18416         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
18417         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
18418         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
18419
18420         * configure.ac: Check for a TLS capable gas.
18421
18422         * configure: Regenerate.
18423
18424 2005-01-26  Richard Henderson  <rth@redhat.com>
18425
18426         PR middle-end/18008
18427         * combine.c (make_field_assignment): Simplify store to zero_extract
18428         from a source with an overlapping mask.
18429
18430 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
18431
18432         2004-11-11  Eric Christopher  <echristo@redhat.com>
18433
18434         * config/frv/frv.md: Add fr400_integer automaton. Don't
18435         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
18436         to TYPE_MACC.
18437
18438 2005-01-26  Steven Bosscher  <stevenb@suse.de>
18439
18440         PR middle-end/16585
18441         * cfgbuild.c (make_edges): Do not clear or set
18442         current_function_has_computed_jump.
18443         * function.h (struct function): Remove the has_computed_jump field.
18444         (current_function_has_computed_jump): Do not define.
18445         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
18446         in a computed jump.  Ignore current_function_has_computed_jump.
18447
18448 2005-01-26  Richard Henderson  <rth@redhat.com>
18449
18450         PR middle-end/19515
18451         * expr.c (categorize_ctor_elements): New argument p_must_clear.
18452         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
18453         fully initialized.
18454         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
18455         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
18456         objects into static storage if they have more than one non-zero value.
18457         * tree.h (categorize_ctor_elements): Update decl.
18458
18459 2005-01-26  Steven Bosscher  <stevenb@suse.de>
18460
18461         PR middle-end/19616
18462         * tree.h (CALL_EXPR_TAILCALL): Add comment.
18463         * calls.c (check_sibcall_argument_overlap_1): Revert the change
18464         to this function from 2004-07-10.
18465         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
18466         the current function for tail call optimizations if the address
18467         of one of it its arguments is taken.
18468
18469 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
18470
18471         * cse.c (fold_rtx): Call equiv_constant only when necessary.
18472
18473 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
18474
18475         * function.c (expand_function_end): If current_function_calls_alloca,
18476         emit stack restore in a place that is reached when the function falls
18477         through at the end.
18478
18479 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
18480
18481         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
18482         rule to avoid matching inappropriate suffix rule.
18483
18484 2005-01-26  Jan Hubicka  <jh@suse.cz>
18485
18486         PR tree-optimization/19241
18487         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
18488
18489 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
18490
18491         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
18492         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
18493         of doubling.
18494         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
18495         <sim*>: Always use crt1.o, regardless of N in simN.
18496         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
18497         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
18498         (CRT_CALL_STATIC_FUNCTION): Remove.
18499         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
18500         use crt1.o, regardless of N in simN.
18501         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
18502         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
18503         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
18504         case isystem setting.
18505         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
18506
18507 2005-01-25  Ian Lance Taylor  <ian@airs.com>
18508
18509         * gimple-low.c (block_may_fallthru): Correct handling of
18510         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
18511
18512 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
18513
18514         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
18515         handlers to match indentation; nested under the mtune=* handler.
18516         Similar for mcpu= and march=.
18517
18518 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
18519
18520         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
18521         * config/mips/linux64.h (LIB_SPEC): Likewise.
18522         * config/mn10300/linux.h (LIB_SPEC): Likewise.
18523         * config/sh/linux.h (LIB_SPEC): Likewise.
18524
18525 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
18526
18527         * config/frv/frv.c (frv_legitimize_tls_address): New.
18528         (TARGET_HAVE_TLS): Define.
18529         (FRV_SYMBOL_REF_TLS_P): Define.
18530         (frv_override_options): Handle new register classes.
18531         (frv_legitimate_address_p): Reject tls addresses.
18532         (frv_legitimize_address): Handle TLS addresses.
18533         (gen_inlined_tls_plt): New.
18534         (gen_tlsmoff): New.
18535         (frv_legitimize_tls_address): New.
18536         (unspec_got_name): Add TLS entries.
18537         (got12_operand): Add R_FRV_TLSMOFF12 case.
18538         (frv_emit_move): Fixup TLS addresses.
18539         (frv_emit_movsi): Legitimize TLS addresses.
18540
18541         * config/frv/frv.h (MASK_BIG_TLS): New.
18542         (TARGET_BIG_TLS): New.
18543         (HAVE_AS_TLS): Define.
18544         (TARGET_SWITCHES): Add -mTLS and -mtls options.
18545         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
18546         (REG_CLASS_NAMES): Same.
18547         (REG_CLASS_CONTENTS): Same.
18548         (CONSTRAINT_LEN): New.
18549         (REG_CLASS_FROM_CONSTRAINT): New.
18550         (PREDICATE_CODES): Add symbolic_operand.
18551
18552         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
18553         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
18554         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
18555         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
18556         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
18557         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
18558         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
18559         GR9_REG, GR14_REG, LRREG.
18560         (type): Add load_or_call attribute.
18561         ("load_or_call"): New reservation.
18562         ("call_gettlsoff"): New.
18563         ("tls_indirect_call"): New.
18564         ("tls_load_gottlsoff12"): New.
18565         ("tlsoff_hilo"): New.
18566         ("tls_tlsdesc_ldd"): New.
18567         ("tls_tlsoff_ld"): New.
18568         ("tls_lddi"): New.
18569
18570         * config/frv/frv-protos.h (symbolic_operand): Protoize.
18571
18572         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
18573
18574         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
18575         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
18576         * config/frv/frv.c (TLS_BIAS): Define.
18577         (frv_output_dwarf_dtprel): New.
18578
18579 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
18580
18581         PR rtl-optimization/19579
18582         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
18583         both A and B, see if they don't clobber registers the other expr uses.
18584
18585 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
18586
18587         * real.c (do_add): Initialize signalling and canonical members.
18588
18589         * real.c (real_from_integer): Zero out destination.
18590
18591 2005-01-18  Jan Hubicka  <jh@suse.cz>
18592
18593         PR tree-optimize/19337
18594         * tree-inline.c (initialize_inlined_parameters): Copy
18595         saved_static_chain_decl only.
18596
18597 2005-01-25  Richard Henderson  <rth@redhat.com>
18598
18599         PR target/19556
18600         PR target/19584
18601         * config/i386/i386.c (x86_inter_unit_moves): Zero.
18602         (ix86_preferred_reload_class): Rewrite fp-constant section, with
18603         80387 enabled, to return a proper subclass.  Return the subset that
18604         overlaps with GENERAL_REGS for PLUS.
18605         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
18606
18607 2005-01-25  Richard Henderson  <rth@redhat.com>
18608
18609         PR middle-end/19609
18610         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
18611
18612 2005-01-25  Roger Sayle  <roger@eyesopen.com>
18613
18614         * expmed.c (choose_multiplier): Change interface to return the
18615         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
18616         (expand_divmod): Update calls to choose_multiplier.
18617
18618 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18619
18620         PR middle-end/19330
18621         * expmed.c (extract_bit_field): Use adjust_address instead of
18622         gen_lowpart when op0 is a MEM.
18623
18624 2005-01-24  Steven Bosscher  <stevenb@suse.de>
18625
18626         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
18627
18628 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
18629
18630         * config/mips/irix-csr.c: New file.
18631         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
18632         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
18633         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
18634         executables.
18635
18636 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
18637
18638         PR bootstrap/19364
18639         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
18640         sparc/elf.h, add sparc/sp-elf.h.
18641         (sparc-*-rtems*): Likewise.
18642         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
18643         tm-dwarf2.h, add sparc/sp-elf.h.
18644         (sparc86x-*-elf): Likewise.
18645         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
18646         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
18647         TARGET_OS_CPP_BUILTINS.
18648         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18649         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18650         Undefine it.
18651         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
18652         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
18653         (SWITCH_TAKES_ARG): Likewise.
18654         (LOCAL_LABEL_PREFIX): Likewise.
18655         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
18656         (TARGET_N_FORMAT_TYPES): Delete.
18657         (TARGET_FORMAT_TYPES): Likewise.
18658         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
18659         * config/sparc/elf.h: Delete.
18660         * config/sparc/sp-elf.h: New file.
18661
18662 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
18663
18664         * tree-flow-inline.h (phi_arg_from_edge): Remove.
18665         * tree-flow.h: Remove the corresponding prototype.
18666         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
18667         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
18668
18669 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18670
18671         PR target/17751
18672         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
18673         for AIX ABI or ELF -fPIC.
18674         (rs6000_emit_load_toc_table): Don't create toc_section here.
18675         (rs6000_xcoff_file_start): Nor here.
18676
18677 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
18678
18679         * sh.c (ra.h): Don't #include.
18680         (hard_regs_intersect_p): New function, resurrected from ra.c.
18681
18682         * sh.c: Fix 1996 Copyright.
18683
18684 2005-01-24  Richard Henderson  <rth@redhat.com>
18685             Aldy Hernandez  <aldyh@redhat.com>
18686
18687         * regrename.c (note_sets): Handle subregs.
18688
18689 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
18690
18691         PR bootstrap/18058
18692         * genconditions.c (write_header, write_conditions): Elide file if
18693         not GCC >= 3.0.1.
18694
18695 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
18696
18697         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
18698         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
18699         Update copyright.
18700
18701 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18702
18703         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
18704         expand_builtin_printf, expand_builtin_fprintf,
18705         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
18706         checking against POINTER_TYPE.
18707         (validate_arglist): Handle POINTER_TYPE code by checking
18708         POINTER_TYPE_P.
18709
18710 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
18711
18712         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
18713         init_rtlanal): New.
18714         (for_each_rtx): Call for_each_rtx_1.
18715         * rtl.h (init_rtlanal): Declare.
18716         * toplev.c (backend_init): Call init_rtlanal.
18717
18718 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18719
18720         * flow.c (propagate_one_insn): Formatting.
18721
18722         PR middle-end/19551
18723         * flow.c (libcall_dead_p): Be more conservative if unsure.
18724         If there are any instructions between insn and call, see if they are
18725         all dead before saying the libcall is dead.
18726
18727 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
18728
18729         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
18730         operand constraint for operand 0.
18731
18732 2005-01-23  Richard Henderson  <rth@redhat.com>
18733
18734         PR 19486
18735         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
18736         edges leading to join block.
18737
18738 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18739
18740         * expmed.c (expand_mult_highpart): Make static.  Change type of
18741         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
18742         (expand_divmod): Updates calls to expand_mult_highpart by using
18743         gen_int_mode to pass a CONST_INT rtx.
18744         * rtl.h (expand_mult_highpart): Remove prototype.
18745
18746 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18747
18748         * flow.c (regset_bytes, regset_size): Remove.
18749
18750         * cfganal.c: Fix a reference to Harvey's paper.
18751
18752 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18753
18754         PR rtl-optimization/19464
18755         * tree-optimize.c (init_tree_optimization_passes): Add one more
18756         copyrename pass just before out-of-ssa.
18757
18758 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
18759
18760         PR bootstrap/18058
18761         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
18762         * ggc-none.c (ggc_free): Define.
18763
18764 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18765
18766         * cse.c (max_reg, max_insn_uid): Remove.
18767         (cse_main): Don't access max_reg or max_insn_uid.
18768
18769         * c-common.c (explicit_flag_signed_bitfields,
18770         lang_statement_code_p, lang_expand_function_end): Remove.
18771         * c-common.h: Remove the corresponding declarations.
18772         * c-opts.c (c_common_handle_option): Remove all write access
18773         to explicit_flag_signed_bitfields.
18774
18775         * cgraph.c (cgraph_varpool_n_nodes): Remove.
18776         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
18777         * cgraph.h: Remove the corresponding declaration.
18778
18779         * gcse.c (null_pointer_info): Remove.
18780
18781 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18782             Eric Botcazou  <ebotcazou@libertysurf.fr>
18783
18784         * combine.c (simplify_logical): Only simplify logical expressions
18785         of the form ior(and(x,y),z) by the inverse distributive law if the
18786         result is cheaper than the original.
18787
18788 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18789
18790         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
18791         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
18792         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
18793         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
18794         config/freebsd-spec.h, config/arm/arm.h,
18795         config/h8300/h8300.md, config/i386/i386.md,
18796         config/i386/predicates.md, config/i386/sse.md,
18797         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
18798         config/vax/vax.md: Fix comment typos.  Follow spelling
18799         conventions.
18800
18801 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18802
18803         * gengtype.c (walk_type): Produce `not equal to' compares for loop
18804         tests, instead of `less than'.
18805
18806 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
18807
18808         * function.c (assign_parm_setup_block): When creating a new stack slot
18809         for a parameter, get its alignment from the parameter's DECL_ALIGN
18810         rather than the type's TYPE_ALIGN.  Make sure that the parameter
18811         is at least word aligned.
18812
18813 2005-01-22  Roger Sayle  <roger@eyesopen.com>
18814
18815         PR middle-end/19378
18816         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
18817
18818 2005-01-22  Richard Henderson  <rth@redhat.com>
18819
18820         PR target/19506
18821         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
18822         in both compare operands.
18823         (movdfcc_1_sse_max): Likewise.
18824         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
18825         (movdfcc_1_sse): Likewise.
18826         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
18827         scratch register as needed.
18828
18829 2005-01-22  Richard Henderson  <rth@redhat.com>
18830
18831         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
18832
18833         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
18834
18835 2005-01-22  Richard Henderson  <rth@redhat.com>
18836
18837         * genopinit.c (optabs): Use smin/smax for floating point too.
18838         * doc/md.texi: Update to match.  Clarify that floating point
18839         results are undefined for +0/-0 and NaN.
18840         * doc/rtl.texi: Likewise.
18841         * rtl.def (SMIN, SMAX): Likewise
18842         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
18843
18844         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
18845         leading 's' to the name.
18846         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
18847         smaxxf3, sminxf3): Likewise.
18848         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
18849         Likewise.
18850
18851 2005-01-22  Paul Brook  <paul@codesourcery.com>
18852
18853         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
18854
18855 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
18856
18857         * config/s390/s390.c (struct processor_costs): New fields
18858         dlgr, dlr, dr, dsgfr, dsgr.
18859         (z900_cost, z990_cost): Values for new fields.
18860         (s390_rtx_costs): New cases MEM und COMPARE in switch
18861         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
18862         DIV, MOD, UDIV, UMOD.
18863
18864 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18865
18866         * config/s390/s390.md ("doloop_si64"): Reload input value directly
18867         into the register being decremented.
18868         ("doloop_si31", "doloop_di"): Likewise.
18869         ("*doloop_si_long"): Adapt pattern.
18870
18871 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18872
18873         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
18874         access registers.
18875         (CLASS_MAX_NREGS): Likewise.
18876
18877 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
18878
18879         * doc/tree-ssa.texi (Statement Operands): Add example for new
18880         must-def macro. Note deprecation of old operands interface.
18881
18882 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
18883
18884         PR tree-optimization/19484
18885         * tree-cfg.c (remove_fallthru_edge): New function.
18886         (cleanup_control_flow): Remove fallthru edges from calls that are
18887         now known not to return.
18888
18889 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
18890
18891         Fix PR tree-optimization/19038
18892         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
18893         copies with loop variant ones.
18894
18895 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
18896
18897         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
18898         config/alpha/alpha-protos.h, config/alpha/alpha.h,
18899         config/alpha/alpha.md, config/alpha/predicates.md,
18900         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
18901         config/sparc/sol2.h: Update copyright.
18902
18903         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
18904         first label to see if it is a nonlocal label.
18905
18906 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
18907             Andrew Pinski  <pinskia@physics.uc.edu>
18908
18909         PR target/19491
18910         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
18911         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
18912
18913 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18914
18915         * config/rs6000/rtems.h: Update copyright.
18916
18917 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18918
18919         PR target/19548
18920         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
18921         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
18922         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
18923
18924 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
18925
18926         PR c/18809
18927         * c-typeck.c (convert_arguments): Check for error_mark_node.
18928
18929 2005-01-21  Ian Lance Taylor  <ian@airs.com>
18930
18931         PR tree-optimization/13000
18932         * tree-inline.c: Include "tree-flow.h".
18933         (expand_call_inline): If warn_return_type, warn if non-void inline
18934         function falls through.
18935         * tree-cfg.c (execute_warn_function_return): Don't warn about
18936         control reaching end if TREE_NO_WARNING is set.  Set
18937         TREE_NO_WARNING.
18938         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
18939         has been lowered.
18940         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
18941         branch if we don't need one.
18942         * c-typeck.c: Include "tree-flow.h"
18943         (c_finish_bc_stmt): Don't add a goto if the current statement
18944         list doesn't fall through to the current point.
18945
18946 2005-01-21  Roger Sayle  <roger@eyesopen.com>
18947
18948         PR rtl-optimization/576
18949         * real.c (real_arithmetic): Change return type from void to bool
18950         to return an indication that the result may be inexact.
18951         * real.h (real_arithmeric): Update prototype.
18952         * fold-const.c (const_binop):  Don't constant fold floating
18953         point expressions when the user specifies -frounding-math and
18954         the result may depend upon the run-time rounding mode.
18955         (fold_convert_const_real_from_real): Clean-up.
18956         (fold_initializer): Ignore flag_rounding_math for initializers.
18957         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
18958         constant fold FP operations with flag_rounding_math if the
18959         result may depend upon the run-time rounding mode.
18960
18961 2005-01-21  Tom Tromey  <tromey@redhat.com>
18962
18963         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
18964
18965 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
18966
18967         * tree-cfg.c: Fix comment typos.
18968
18969 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
18970
18971         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
18972         around the call to rest_of_handle_branch_target_load_optimize.
18973
18974 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
18975
18976         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
18977         (sparc64-*-openbsd*): Likewise.
18978         (sparclite-*-elf*): Include tm-dwarf2.h.
18979         (sparc86x-*-elf*): Likewise.
18980         (sparc64-*-elf*): Likewise.
18981         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
18982         (DBX_DEBUGGING_INFO): Likewise.
18983         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
18984         (PREFERRED_DEBUGGING_TYPE): Likewise.
18985         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
18986         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
18987         (PREFERRED_DEBUGGING_TYPE): Likewise.
18988         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
18989         (PREFERRED_DEBUGGING_TYPE): Likewise.
18990         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
18991
18992 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
18993
18994         PR target/18701
18995         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
18996
18997 2005-01-20  Paul Brook  <paul@codesourcery.com>
18998
18999         * doc/rtl.texi: Document value extension requirements for CONST_INT.
19000
19001 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
19002
19003         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
19004         label is first in a sequence of labels.
19005
19006         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
19007
19008 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
19009             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
19010
19011         * doc/sourcebuild.texi (Test Directives): New.
19012
19013 2005-01-20  Roger Sayle  <roger@eyesopen.com>
19014
19015         * real.c (real_floor): Don't leave the result uninitialized when
19016         mode is VOIDMode, but return the unrounded intermediate value.
19017         (real_ceil): Likewise.
19018
19019 2005-01-20  Paul Brook  <paul@codesourcery.com>
19020
19021         * config/arm/arm.md (insv): Use gen_int_mode.
19022
19023 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
19024
19025         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
19026         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
19027         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
19028         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
19029         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
19030
19031 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
19032
19033         Fix PR debug/19124
19034         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
19035         fbreg, so we have to assume we can't.
19036         (loc_descriptor_from_tree_1): Ditto.
19037         (containing_function_has_frame_base): New function.
19038         (add_location_or_const_value_attribute): Use it.
19039         Also try to generate a frame_base from a single element location
19040         list.
19041
19042 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
19043
19044         PR tree-optimization/15349
19045         * timevar.def (TV_TREE_MERGE_PHI): New.
19046         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
19047         PHI_WANTED.
19048         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
19049         calls to tree_forwarder_block_p.
19050         (remove_forwarder_block_with_phi, merge_phi_nodes,
19051         gate_merge_phi, pass_merge_phi): New.
19052         * tree-optimize.c (init_tree_optimization_passes): Add
19053         pass_merge_phi.
19054         * tree-pass.h: Add an extern for pass_merge_phi;
19055
19056 2005-01-20  Richard Henderson  <rth@redhat.com>
19057
19058         PR target/19418
19059         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
19060         (_mm_castps_pd, _mm_castps_si128): New.
19061         (_mm_castsi128_ps, _mm_castsi128_pd): New.
19062
19063 2005-01-20  Richard Henderson  <rth@redhat.com>
19064
19065         PR target/19530
19066         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
19067         __builtin_ia32_vec_init_v2si.
19068         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
19069         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
19070         (ix86_init_mmx_sse_builtins): Create it.
19071         (ix86_expand_builtin): Expand it.
19072         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
19073         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
19074         (vec_extractv2si_0, vec_extractv2si_1): New.
19075
19076 2005-01-20  Richard Henderson  <rth@redhat.com>
19077
19078         PR target/16533
19079         * config/i386/i386.c (ix86_expand_push): New.
19080         * config/i386/mmx.md (push<MMXMODE>1): New.
19081         * config/i386/sse.md (push<SSEMODE>1): New.
19082         * config/i386/i386-protos.h: Update.
19083
19084 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
19085
19086         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
19087         copyright.
19088
19089 2005-01-20  Richard Henderson  <rth@redhat.com>
19090
19091         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
19092         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
19093
19094 2005-01-19  Richard Henderson  <rth@redhat.com>
19095
19096         PR target/19350
19097         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
19098         to V4SFmode in SSE1 fallback load path.
19099
19100 2005-01-19  Richard Henderson  <rth@redhat.com>
19101
19102         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
19103         in QImode expansion to ix86_expand_vector_set.
19104         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
19105
19106 2005-01-19  Richard Henderson  <rth@redhat.com>
19107
19108         PR target/19511
19109         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
19110         subclass of the input class.
19111         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
19112         Always true for cross-SSE1 classes.  Rationalize conditionals.
19113         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
19114         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
19115         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
19116         (movdi_2): Add MMX/SSE zeros.
19117         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
19118         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
19119         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
19120         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
19121         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
19122         (zero_extendsidi2_rex64_1): Remove.
19123         (MOV0 peephole): Check GENERAL_REG_P.
19124
19125 2005-01-19  Richard Henderson  <rth@redhat.com>
19126
19127         PR target/19427
19128         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
19129         shufps elements.
19130         (ix86_expand_vector_extract): Likewise.
19131
19132 2005-01-19  Richard Henderson  <rth@redhat.com>
19133
19134         PR middle-end/19304
19135         * expr.c (emit_move_change_mode): New argument force; use
19136         simplify_gen_subreg if true.
19137         (emit_move_via_alt_mode): Merge into ...
19138         (emit_move_via_integer): ... here.
19139         (emit_move_ccmode): Use emit_move_change_mode directly.
19140
19141 2005-01-19  Richard Henderson  <rth@redhat.com>
19142
19143         PR target/19518
19144         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
19145         (alpha_preferred_reload_class): Handle CONST_VECTOR.
19146         (alpha_emit_set_const_1): Add no_output parameter; don't emit
19147         rtl if true.
19148         (alpha_emit_set_const): Likewise.  Make static.
19149         (alpha_emit_set_long_const): Make static.
19150         (alpha_extract_integer): Split out from alpha_expand_mov.
19151         (alpha_split_const_mov): Likewise.
19152         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
19153         (alpha_legitimate_constant_p): New.
19154         * config/alpha/alpha-protos.h: Update.
19155         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
19156         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
19157         * config/alpha/alpha.md (movsi): Add n alternative.
19158         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
19159         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
19160         (splitters for all of the above): Use alpha_split_const_mov.
19161         * config/alpha/predicates.md (non_add_const_operand): New.
19162         (non_zero_const_operand): New.
19163         (input_operand): Use alpha_legitimate_constant_p after reload.
19164
19165 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
19166
19167         PR tree-optimization/19038
19168         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
19169         (add_candidate): Add ivs with increment in latch only if
19170         allow_ip_end_pos_p is true.
19171         (determine_iv_cost): Use empty_block_p.
19172
19173 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
19174
19175         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
19176         (compute_dominance_frontiers): Ditto.
19177
19178 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
19179
19180         PR target/19529
19181         * config/sh/t-rtems: New.
19182         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
19183
19184 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
19185
19186         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
19187         the offset of the selected field.
19188
19189 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
19190
19191         * tree-cfg.c (remove_forwarder_block): Fix the check to
19192         prevent a nonlocal label from appearing in the middle of a
19193         basic block.
19194
19195 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
19196
19197         PR rtl-optimization/19462
19198         * reorg.c (find_end_label): Create return insn only if
19199         current_function_epilogue_delay_list is empty.
19200
19201 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
19202
19203         * doc/passes.texi: Remove paragraph mentioning new-ra.
19204
19205 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
19206
19207         PR rtl-optimization/15139
19208         * combine.c: Include params.h.
19209         (count_rtxs): New function.
19210         (record_value_for_reg): If replace_rtx would replace at least
19211         2 occurrences of REG in VALUE and TEM is really large, replace REG with
19212         (clobber (const_int 0)) instead of TEM.
19213         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
19214         * params.h (MAX_LAST_VALUE_RTL): New.
19215         * Makefile.in (combine.o): Depend on $(PARAMS_H).
19216         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
19217
19218         PR c/17297
19219         * c-typeck.c (digest_init): Only call build_vector if all constructor
19220         elements are *_CST nodes.
19221         * gimplify.c (gimplify_init_constructor): Likewise.
19222
19223         PR middle-end/19164
19224         * c-typeck.c (digest_init): Only call build_vector if inside_init
19225         is a CONSTRUCTOR.
19226
19227 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
19228
19229         * toplev.c (init_asm_output): Remove dead #ifdef.
19230
19231 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
19232
19233         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
19234
19235 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
19236
19237         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
19238         accessing DECL_FUNCTION_CODE.
19239         * dojump.c (do_jump): Likewise.
19240         * gimplify.c (gimplify_call_expr): Likewise.
19241         * predict.c (expr_expected_value): Likewise.
19242         (strip_builtin_expect): Likewise.
19243         * tree-inline.c (estimate_num_insns_1): Likewise.
19244         * tree-ssa-loop-im.c (stmt_cost): Likewise
19245         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
19246         (tree_expr_nonnegative_p): Likewise.
19247
19248 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
19249
19250         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
19251         variant of the load_pcrel_sym pattern.
19252         * config/sparc/sparc.md (P macro): Move to the top.
19253         (load_pcrel_sym): Macroize using P.
19254         (save_register_window): Likewise.
19255
19256 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
19257
19258         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
19259         ("sordered"): Same.
19260
19261 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
19262
19263         PR C/19472
19264         * c-typeck.c (build_asm_expr): Strip nops off
19265         input memory operands.
19266
19267 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
19268
19269         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
19270         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
19271         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
19272         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
19273
19274 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
19275
19276         PR target/19379
19277         * config/i386/i386.c (override_options): If the 80387 is disabled,
19278         then do not return FP values using FP registers.
19279
19280 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
19281
19282         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
19283         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
19284         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
19285         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
19286         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
19287         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
19288         output.h, postreload-gcse.c, postreload.c, recog.c,
19289         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
19290         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
19291         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
19292         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
19293         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
19294         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
19295         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
19296         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
19297
19298         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
19299         config/alpha/alpha.c, config/arm/vfp.md,
19300         config/i386/emmintrin.h, config/i386/i386-modes.def,
19301         config/i386/i386-protos.h, config/i386/i386.h,
19302         config/i386/pmmintrin.h, config/i386/ppro.md,
19303         config/i386/predicates.md, config/i386/xmmintrin.h,
19304         config/i860/i860.c, config/ia64/ia64-modes.def,
19305         config/ia64/ia64-protos.h, config/ia64/ia64.h,
19306         config/ia64/ia64.md, config/ia64/itanium1.md,
19307         config/ia64/itanium2.md, config/ia64/predicates.md,
19308         config/iq2000/iq2000.h, config/mips/linux64.h,
19309         config/rs6000/aix41.h, config/rs6000/aix43.h,
19310         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
19311         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
19312         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
19313         config/sparc/linux64.h, config/sparc/litecoff.h,
19314         config/sparc/sp64-elf.h, config/sparc/sparc.c,
19315         config/sparc/sparc.h, config/sparc/sparc.md,
19316         config/sparc/sysv4-only.h: Update copyright.
19317
19318 2005-01-18  Richard Henderson  <rth@redhat.com>
19319
19320         PR target/19496
19321         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
19322
19323 2005-01-18  Marc Espie  <espie@openbsd.org>
19324         * config/i386/openbsdelf.h: Typo.
19325
19326 2005-01-18  Richard Henderson  <rth@redhat.com>
19327
19328         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
19329         special case for sse.
19330         * config/i386/predicates.md (sse_comparison_operator): Likewise.
19331
19332 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
19333
19334         * tree-inline.c (estimate_num_insns_1): Added cases for
19335         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
19336
19337 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
19338
19339         PR rtl-optimization/19296
19340         * combine.c (simplify_comparison): Rewrite the condition under
19341         which a non-paradoxical SUBREG of a PLUS can be lifted when
19342         compared against a constant.
19343
19344 2005-01-18  Andi Kleen <ak@muc.de>
19345
19346         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
19347         * c.opt (-Wpointer-sign): Add.
19348         * doc/invoke.texi: (-Wpointer-sign): Add.
19349
19350 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
19351
19352         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
19353         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
19354         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
19355         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
19356         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
19357         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
19358         for TARGET_MIX_SSE_I387.
19359         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
19360         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
19361         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
19362         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
19363         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
19364         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
19365         TARGET_MIX_SSE_I387.
19366         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
19367         from expander.
19368
19369 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
19370
19371         PR target/19424
19372         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
19373         Add movaps alternative for xmm reg->reg move.
19374
19375 2005-01-17  Jeff Law  <law@redhat.com>
19376
19377         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
19378         at the end of the main DOM loop rather than just before DOM exits.
19379
19380 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
19381
19382         PR tree-optimization/19121
19383         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
19384         adding aliases to a name tag, also add them to the pointer's
19385         type tag.
19386         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
19387         sensitive alias info at all.  Only check that the two pointers
19388         have compatible pointed-to sets.
19389         * tree-ssa.c (verify_name_tags): Verify that the alias set of
19390         a pointer's type tag is a superset of the alias set of the
19391         pointer's name tag.
19392
19393 2005-01-17  James E Wilson  <wilson@specifixinc.com>
19394
19395         PR target/19357
19396         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
19397         comment to document why.
19398
19399 2005-01-17  Richard Henderson  <rth@redhat.com>
19400
19401         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
19402         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
19403         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
19404         sse2_vmsminv2df3_finite): New.
19405         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
19406         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
19407         Force op1 into register.
19408
19409 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
19410
19411         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
19412         bubblestrap from always rebuilding build directory.
19413
19414 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
19415
19416         * config/s390/s390.md ("*clc"): Remove incorrect '='.
19417         ("*cmpmem_short"): Likewise.
19418
19419 2005-01-17  Steven Bosscher  <stevenb@suse.de>
19420
19421         * basic-block.h: Document BB_* flags.
19422         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
19423         use an sbitmap instead.
19424         * sched-rgn.c (compute_trg_info): Likewise.
19425
19426 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
19427
19428         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
19429         redundant target_cpu_default and extra_parts lines.  Use the default
19430         "from-abi" ISA.
19431         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
19432         (SUBTARGET_EXTRA_SPECS): Delete.
19433         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
19434         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
19435         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
19436         and "n32" for -mabi=n32.
19437
19438 2005-01-17  Ian Lance Taylor  <ian@airs.com>
19439
19440         PR c/5675
19441         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
19442         fold constant variables into initial values.
19443
19444 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
19445
19446         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
19447
19448         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
19449         through the statements backward.
19450
19451 2005-01-17  Ian Lance Taylor  <ian@airs.com>
19452
19453         PR middle-end/13127:
19454         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
19455         a variable set to the return value of the inlined function.
19456
19457 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
19458
19459         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
19460         when modes are tieable.
19461
19462 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
19463
19464         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
19465         of pthread_create to find out if threads are enabled.
19466         * gthr-posix95.h (__gthread_active_p): Likewise.
19467
19468 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
19469
19470         * common.opt (-fnew-ra): Remove.
19471         * ra*.*: Remove.
19472         * toplev.h (flag_new_regalloc): Remove.
19473         * Makefile.in (ra*.*): Don't mention.
19474         * passes.c (rest_of_handle_new_regalloc): Remove.
19475         (rest_of_handle_combine, rest_of_compilation): Always consider
19476         flag_new_regalloc as false.
19477         * doc/invoke.texi: Don't document -fnew-ra.
19478
19479 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
19480
19481         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
19482         last parameter to reg_scan.
19483         * loop.c (loop_optimize): Likewise.
19484         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
19485         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
19486         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
19487         rest_of_handle_gcse, rest_of_handle_loop_optimize,
19488         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
19489         * regclass.c (reg_scan): Likewise, for the declaration.
19490         * rtl.h (reg_scan): Likewise, for the prototype.
19491
19492 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
19493
19494         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
19495         mark_dfs_back_edges.
19496
19497 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
19498
19499         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
19500         (compute_avail): Uses don't go in tmp_gen.
19501
19502 2005-01-16  Steven Bosscher  <stevenb@suse.de>
19503
19504         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
19505         loop to look for a free slot in a page entry.
19506
19507 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19508
19509         PR target/16304
19510         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
19511         * toplev.c (compile_file): Call process_pending_assemble_output_defs
19512         just before targetm.asm_out.file_end.
19513         * tree.h (process_pending_assemble_output_defs): Declare.
19514         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
19515         New functions.
19516         (assemble_alias): Defer generation of assembly code for defines when
19517         TARGET_DEFERRED_OUTPUT_DEFS is true.
19518         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
19519         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
19520         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
19521
19522 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19523
19524         PR target/19336
19525         * pa.c (pa_scalar_mode_supported_p): New function.
19526         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19527         * pa.h (MIN_UNITS_PER_WORD): Add comment.
19528
19529         * pa-protos.h (prefetch_operand): Delete.
19530         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
19531         * pa.c (prefetch_operand): Delete.
19532         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
19533         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
19534         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
19535         and prefetch_nocc_operand.
19536         * pa.md (prefetch): Rework to avoid reload problems handling short
19537         displacements when a cache control completer needs to be provided.
19538         (prefetch_32, prefetch_64): Delete.
19539         (prefetch_cc, prefetch_nocc): New patterns.
19540
19541 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
19542
19543         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
19544
19545 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19546
19547         PR ada/19388
19548         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
19549         exceeds maximum alignment for global common data.
19550         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
19551         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
19552
19553 2004-01-15  Roger Sayle  <roger@eyesopen.com>
19554
19555         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
19556
19557 2004-01-15  Roger Sayle  <roger@eyesopen.com>
19558
19559         * harg-reg-set.h (reg_class_names): Prototype global array.
19560         * regclass.c (reg_class_names): Declare here and initialize to
19561         REG_CLASS_NAMES.
19562         (dump_regclass): Remove local declaration of reg_class_names.
19563         (regclass): Likewise.
19564         * cfg.c (dump_flow_info): Likewise.
19565         * ra-debug.c (reg_class_names): Likewise.
19566         * regrename.c (reg_class_names): Likewise.
19567         * reload.c (reg_class_names): Likewise.
19568         * reload1.c (spill_failure): Likewise.
19569         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
19570
19571 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
19572
19573         * config/s390/s390.md ("reload_outti"): Remove predicate for
19574         output operand.  Abort if operand is not a MEM.
19575         ("reload_outdi", "reload_outdf"): Likewise.
19576
19577 2005-01-15  Marc Espie  <espie@openbsd.org>
19578
19579         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
19580         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
19581         * config/openbsd.h:  Fix C++ includes for native configurations.
19582         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
19583         Add trampoline support.
19584         * config/i386/openbsdelf.h: New.
19585
19586 2005-01-15  Marc Espie  <espie@openbsd.org>
19587
19588         * collect2.c (main): Explicitly parse -dynamic-linker option.
19589
19590 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
19591
19592         PR tree-optimization/19060
19593         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
19594         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
19595         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
19596         and handle extract_range_from_cond returning false.
19597         * fold-const.c (fold): Optimize comparisons with min/max even for
19598         width > HOST_BITS_PER_WIDE_INT.
19599
19600 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
19601
19602         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
19603         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
19604         Remove little endian multilib variants.
19605         Add mips32 multilib variant.
19606
19607 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
19608
19609         * explow.c (copy_all_reg, stabilize): Remove.
19610         * expr.h: Remove the corresponding prototypes.
19611
19612         * rtlanal.c (regs_set_between_p): Remove.
19613         * rtl.h: Remove the corresponding prototype.
19614
19615 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
19616
19617         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
19618         to rs6000_nonimmediate_operand.
19619         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
19620         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
19621         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
19622         rs6000_nonimmediate_operand.
19623         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
19624         rs6000_nonimmediate_operand.
19625
19626 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
19627
19628         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
19629
19630 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19631
19632         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
19633         on e500v2.
19634         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
19635         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
19636
19637         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
19638         (rs6k_nonimmediate_operand): New.
19639         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
19640         correctly.
19641         (legitimate_lo_sum_address_p): Same.
19642         (rs6000_legitimize_address): Same.
19643         (rs6000_legitimize_reload_address): Same.
19644         (rs6000_legitimate_address): Same.
19645         (spe_build_register_parallel): Pass DF and DC modes in a DI
19646         register.
19647
19648         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
19649         to rs6k_nonimmediate_operand.
19650
19651         * config/rs6000/spe.md ("*frob_df_di"): New.
19652         ("*frob_di_df"): New.
19653         ("*frob_di_df_2"): New.
19654         ("*mov_sidf_e500_subreg0"): New.
19655         ("*mov_sidf_e500_subreg4"): New.
19656         ("*movdf_e500_double"): Change predicate to
19657         rs6k_nonimmediate_operand.
19658
19659 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19660
19661         * postreload.c (move2add_note_store): Only call
19662         trunc_int_for_mode on scalar integers.
19663
19664 2005-01-14  Steven Bosscher  <stevenb@suse.de>
19665
19666         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
19667         replace BB_VISITED uses.
19668         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
19669         (propagate_necessity): Check the bitmap instead of BB_VISITED.
19670         (tree_dce_done): Free visited_control_parents.
19671         (perform_tree_ssa_dce): Allocate and clear it.
19672         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
19673         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
19674         instead of BB_VISITED.
19675
19676 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
19677
19678         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
19679         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
19680         Remove unused prototypes.
19681
19682 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19683
19684         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
19685         64-bit register usage.
19686         (spe_func_has_64bit_regs_p): Add FIXME note.
19687
19688 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19689
19690         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
19691         flag_finite_math_only with flag_unsafe_math_optimizations.
19692
19693 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
19694
19695         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
19696         end-of-stack check.
19697         (__tpf_eh_return): Copy TPF private stack area from the module
19698         boundary stack frame.  Add check for when module addresses are
19699         equal, but no stub address is found.
19700
19701 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
19702
19703         PR target/7525
19704         * arm.h (struct machine_function): Add call_via field.
19705         (thumb_call_via_label): Declare.
19706         * arm.c (thumb_call_via_label): New variable.
19707         (thumb_call_reg_needed): New variable.
19708         (arm_output_function_epilogue): For Thumb code, output any per-function
19709         call-indirect trampolines.
19710         (thumb_call_via_reg): New function.
19711         (arm_file_end): New function.
19712         (TARGET_ASM_FILE_END): Call arm_file_end.
19713         (aof_file_end): Likewise.
19714         * arm-protos.h (thumb_call_via_reg): Declare.
19715         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
19716         thumb_call_via_reg in normal case.
19717
19718 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
19719
19720         PR middle-end/19084
19721         PR rtl-optimization/19348
19722         * recog.c (peephole2_optimize): Do global life update if some peephole
19723         decides it doesn't need at least one of its inputs and that change
19724         influences liveness at the start of the basic block.
19725
19726         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
19727         arguments instead of 1.
19728
19729 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
19730
19731         PR middle-end/18820
19732         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
19733         zero for nested functions needing a static chain or functions
19734         with a non-constant address.
19735
19736 2005-01-13  Roger Sayle  <roger@eyesopen.com>
19737
19738         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
19739         (and (sign_extend X) C) into (zero_extend (and X C)).
19740
19741 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
19742
19743         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
19744
19745 2005-01-13  Richard Henderson  <rth@redhat.com>
19746
19747         PR target/19009
19748         PR target/19250
19749         PR target/19252
19750         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
19751         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
19752         not just TARGET_SSE.
19753         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
19754         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
19755         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
19756         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
19757         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
19758         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
19759         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
19760         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
19761         (movdicc_c_rex64): Rename with '*'.
19762         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
19763         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
19764         (movsfcc_1_387): Rename from movsfcc_1.
19765         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
19766         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
19767         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
19768         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
19769         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
19770         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
19771         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
19772         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
19773         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
19774         sse_movdfcc_const0_4): Remove.
19775         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
19776         recognize min/max early.  Update for changed sse cmove patterns.
19777         (ix86_split_sse_movcc): New.
19778         * config/i386/i386-protos.h: Update.
19779
19780 2005-01-13  Steven Bosscher  <stevenb@suse.de>
19781
19782         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
19783         (fix_stmt_v_may_defs): Likewise.
19784
19785 2005-01-13  Richard Henderson  <rth@redhat.com>
19786
19787         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
19788         for converting the mask.
19789
19790 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
19791
19792         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
19793         definition to 600.
19794
19795 2005-01-13  Richard Henderson  <rth@redhat.com>
19796
19797         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
19798         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
19799         IX86_BUILTIN_MOVDQ2Q): Remove.
19800         (IX86_BUILTIN_VEC_EXT_V4SI): New.
19801         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
19802         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
19803         shuffling.
19804         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
19805         (sse2_pextrw): Fix immediate constraint.
19806         (sse2_loadq, sse2_loadq_rex64): Remove.
19807         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
19808         Use __builtin_ia32_vec_ext_<size>.
19809         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
19810
19811 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
19812
19813         * function.c (assign_parm_setup_block): Look inside original
19814         entry_parm when inspecting PARALLEL.
19815
19816 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
19817             Joel Sherrill  <joel@oarcorp.com>
19818
19819         PR target/19399
19820         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
19821         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
19822         rtems_gxx_recursive_mutex_init.
19823         (__gthread_recursive_mutex_lock): New function.
19824         (__gthread_recursive_mutex_trylock): Likewise.
19825         (__gthread_recursive_mutex_unlock): Likewise.
19826
19827 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
19828
19829         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
19830
19831 2005-01-13  Jan Beulich  <jbeulich@novell.com>
19832
19833         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
19834         (ashrti3_internal): Indicate output is early clobber. Generate result
19835         into output rather than first input. Use move for low word of output
19836         if shift count is exactly 64.
19837         (lshrti3_internal): Likewise.
19838
19839 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
19840
19841         PR target/18329
19842         PR target/18330
19843         * reload1.c (delete_output_reload): Don't delete an output reload
19844         if the pseudo lives longer than a single basic block.  Adjust and
19845         improve wording of comment.
19846
19847 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
19848
19849         PR target/19334
19850         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
19851         of TYPE_SIZE where we mean the number of bytes.
19852
19853 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
19854
19855         * function.c (assign_parm_setup_block): Relax condition on
19856         multi-register optimization.
19857
19858 2005-01-12  Nick Clifton  <nickc@redhat.com>
19859
19860         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
19861         an "in_delay_slot" attribute of "no" to prevent them being used in
19862         delay slots.  This is forbidden because they might generate
19863         exceptions.
19864
19865 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
19866
19867         PR target/19389
19868         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
19869         with r->Y and Y->r.
19870
19871 2005-01-12  Nick Clifton  <nickc@redhat.com>
19872
19873         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
19874         passed on to GAS) but do not define, as GAS no longer supports or
19875         needs the -m2000 option.
19876
19877 2005-01-11  Roger Sayle  <roger@eyesopen.com>
19878
19879         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
19880         type as args of unprototyped builtins aren't automatically promoted.
19881         (fold_builtin_abs): Likewise.
19882
19883 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19884
19885         * Makefile.in: Set a `build-warn' variable.
19886
19887 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
19888
19889         PR tree-optimization/17949
19890         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
19891         (find_interesting_uses_address): Use it.
19892
19893 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
19894
19895         * regrename.c (kill_value): Handle subreg's that won't simplify.
19896
19897 2005-01-11  Richard Henderson  <rth@redhat.com>
19898
19899         PR target/13366
19900         * config/i386/i386.h (enum ix86_builtins): Move ...
19901         * config/i386/i386.c: ... here.
19902         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
19903         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
19904         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
19905         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
19906         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
19907         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
19908         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
19909         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
19910         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
19911         IX86_BUILTIN_LOADDDUP): Remove.
19912         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
19913         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
19914         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
19915         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
19916         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
19917         (ix86_init_builtins): Make static.
19918         (ix86_init_mmx_sse_builtins): Update for changed builtins.
19919         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
19920         if all the modes match.  Otherwise, fake it.
19921         (get_element_number, ix86_expand_vec_init_builtin,
19922         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
19923         (ix86_expand_builtin): Make static.  Update for changed builtins.
19924         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
19925         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
19926         (ix86_expand_vector_init_duplicate): New.
19927         (ix86_expand_vector_init_low_nonzero): New.
19928         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
19929         Split out from ix86_expand_vector_init; handle integer modes.
19930         (ix86_expand_vector_init): Use them.
19931         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
19932         * config/i386/i386-protos.h: Update.
19933         * config/i386/predicates.md (reg_or_0_operand): New.
19934         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
19935         (movv2sf_internal): Likewise.  And a splitter to match them all.
19936         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
19937         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
19938         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
19939         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
19940         (mmx_pinsrw): Fix operand ordering.
19941         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
19942         rather than sse_loadss expander.
19943         (movv2df splitter): Similarly.
19944         (sse_loadss, sse_loadlss): Remove.
19945         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
19946         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
19947         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
19948         (sse3_movddup): Rename with '*'.
19949         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
19950         (sse2_loadsd): Remove.
19951         (vec_dupv2df_sse3): Rename from sse3_loadddup.
19952         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
19953         (sse2_pinsrw): Fix argument ordering.
19954         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
19955         (sse2_stored): Remove 'r' destination.
19956         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
19957         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
19958         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
19959         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
19960         vec_extractv16qi, vec_initv16qi): New.
19961
19962         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
19963         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
19964         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
19965         constructor form.
19966         (_mm_load_pd, _mm_store_pd): Use plain dereference.
19967         (_mm_load_si128, _mm_store_si128): Likewise.
19968         (_mm_load1_pd): Use _mm_set1_pd.
19969         (_mm_load_sd): Use _mm_set_sd.
19970         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
19971         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
19972         (_mm_set_epi64): Use _mm_set_epi64x.
19973         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
19974         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
19975         _mm_setr_epi8): Use _mm_set_foo form.
19976         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
19977         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
19978         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
19979         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
19980         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
19981         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
19982         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
19983         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
19984         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
19985         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
19986         (_mm_movedup_pd): Use _mm_shuffle_pd.
19987         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
19988         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
19989         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
19990         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
19991         Use _mm_setzero_ps.
19992         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
19993         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
19994         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
19995         (_mm_store_ps): Use raw dereference.
19996         (_mm_store1_ps): Use _mm_storeu_ps.
19997         (_mm_storer_ps): Use _mm_store_ps.
19998         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
19999         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
20000
20001 2005-01-11  Stan Shebs  <shebs@apple.com>
20002
20003         * config/rs6000/rs6000.c (machopic_output_stub): Issue
20004         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
20005
20006 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
20007
20008         PR target/18761
20009         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
20010         Skip all DECLs except for FIELD_DECLs.
20011
20012 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
20013
20014         * config/s390/s390.c (override_options): Return error if
20015         -mbackchain, -mpacked-stack and -mhard-float are used together.
20016         (s390_va_start): Remove the backchain && packed-stack special case.
20017         (s390_gimplify_va_arg): Likewise.
20018         * doc/invoke.texi: Remove the ABI incompatibility note.
20019
20020 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
20021
20022         * config/s390/s390.c (struct s390_frame_layout): Remove
20023         save_backchain_p.
20024         (s390_frame_info, s390_emit_prologue): Replace occurrences of
20025         save_backchain_p with TARGET_BACKCHAIN.
20026
20027 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
20028
20029         PR target/18916
20030         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
20031         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
20032         * function.c (locate_and_pad_parm): Set new field.
20033         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
20034         Tweak where_pad test to include "none".  Always set mem align for
20035         stack_parm.
20036         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
20037         not sufficient for type.
20038         (assign_parm_setup_block): If stack_parm is zero on entry, always
20039         make a new stack local.  Block move old stack parm if necessary
20040         to new aligned stack local.
20041         (assign_parm_setup_stack): Use a block move to handle
20042         potentially misaligned entry_parm.
20043         (assign_parms_unsplit_complex): Specify required alignment when
20044         creating stack local.
20045         * calls.c (compute_argument_addresses): Override alignment of stack
20046         arg calculated from its type with the alignment given by
20047         FUNCTION_ARG_BOUNDARY.
20048         (store_one_arg): Likewise.
20049
20050 2005-01-11  Jan Beulich  <jbeulich@novell.com>
20051
20052         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
20053         Change respective itanium_class attribute to ialu.
20054         (shladdp4_internal): New.
20055         * config/ia64/predicates.md (shladd_log2_operand): New.
20056
20057 2005-01-11  Richard Henderson  <rth@redhat.com>
20058
20059         * expr.c (store_constructor): Use rtvec_alloc instead of
20060         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
20061
20062 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
20063
20064         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
20065
20066 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
20067
20068         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
20069         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
20070         (TARGET_RWRELOC): Define.
20071         (ia64_rwreloc_section_type_flags): Delete.
20072         (ia64_section_type_flags): New function.
20073         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
20074         (TARGET_RWRELOC): Define.
20075
20076 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
20077
20078         PR target/18987
20079         * config/ia64/ia64.c (process_set): For alloc insn, only call
20080         process_epilogue is !frame_pointer_needed.
20081
20082 2005-01-10  Roger Sayle  <roger@eyesopen.com>
20083
20084         PR c++/19355
20085         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
20086         unary operator and can't be treated as a binary/comparison operator.
20087
20088 2005-01-10  Richard Henderson  <rth@redhat.com>
20089
20090         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
20091         (ix86_return_in_memory): Likewise.
20092         (function_arg_advance):  Likewise.  Mirror structure in function_arg
20093         for choosing register to advance.
20094
20095 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
20096
20097         * tree-vectorizer.c, tree.def: Fix comment typos.
20098
20099 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
20100
20101         * config/s390/s390.c (struct processor_costs): 4 new fields:
20102         ddbr, ddr, debr, der.
20103         (s390_rtx_costs): More precise handling of divide instructions.
20104
20105 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
20106
20107         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
20108
20109 2005-01-10  Jan Beulich  <jbeulich@novell.com>
20110
20111         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
20112         names resulting from -ffunction-sections/-fdata-sections and linkonce
20113         ones.
20114         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
20115         based on the section name. Rearrange the section name comparison logic
20116         slightly so that each section name is compared against at most once.
20117
20118 2005-01-10  Ben Elliston  <bje@au.ibm.com>
20119
20120         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
20121         targets for which -fPIC reduces limitations on the GOT size.
20122
20123 2005-01-09  Falk Hueffner  <falk@debian.org>
20124
20125         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
20126         X/C1 cmpop C2.
20127
20128 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
20129
20130         PR target/18720
20131         * collect2.c (main): Set aixrtl_flag for -brtl option.
20132         (resolve_lib_name): Search for .so file extension before .a
20133         if aixrtl_flag set.
20134
20135 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
20136
20137         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
20138         (vect_analyze_data_refs_alignment): Add dump prints.
20139
20140 2005-01-09  Ira Rosen  <irar@il.ibm.com>
20141
20142         * tree-vectorizer.c (vect_analyze_offset_expr): Use
20143         expr_invariant_in_loop_p.
20144         Initialize outputs first thing in the function.
20145         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
20146         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
20147         (vect_analyze_pointer_ref_access): Check that the initial condition of
20148         the access function is loop invariant.
20149
20150 2005-01-09  Richard Henderson  <rth@redhat.com>
20151
20152         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
20153         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
20154         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
20155         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
20156         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
20157         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
20158         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
20159         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
20160         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
20161         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
20162         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
20163         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
20164         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
20165         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
20166         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
20167         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
20168         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
20169         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
20170         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
20171         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
20172         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
20173         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
20174         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
20175         mmx_ prefix.
20176         (mmx_clrdi, pavgusb): Remove.
20177         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
20178         with leading sse_ prefix.
20179         * config/i386/sse.md: Receive them.
20180         * config/i386/mmx.md: New file.
20181         (MMXMODE12, MMXMODE24, mmxvecsize): New.
20182         (subrv2sf3): Turn into expander for normal subtraction.
20183         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
20184         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
20185         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
20186         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
20187         commutative; use ix86_binary_operator_ok.
20188         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
20189         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
20190         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
20191         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
20192         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
20193         Macroize from existing patterns; use ix86_binary_operator_ok.
20194         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
20195         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
20196         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
20197         with vec_select+vec_concat.
20198         (mmx_pshufw, mmx_pshufw_1): Likewise.
20199         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
20200         (mmx_uavgv4hi3): Model correctly.
20201         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
20202         _mm_xor_si64): Remove casts.
20203
20204 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
20205
20206         PR tree-optimization/19224
20207         * tree-scalar-evolution.c (get_instantiated_value,
20208         set_instantiated_value): New functions.
20209         (instantiate_parameters_1): Cache the results.
20210         (instantiate_parameters, resolve_mixers): Initialize and free
20211         the cache.
20212
20213 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
20214
20215         * config/i386/i386.md (addhi_4): Correct reference in comment.
20216         (addqi_4): Same.
20217
20218 2005-01-08  Richard Henderson  <rth@redhat.com>
20219
20220         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
20221         (_mm_cvtsi128_si64x): Likewise.
20222         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
20223         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
20224         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
20225         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
20226         * config/i386/i386-protos.h: Update.
20227         * config/i386/i386.c (print_operand): Add 'H'.
20228         (ix86_fixup_binary_operands): Split out from ...
20229         (ix86_expand_binary_operator): ... here.
20230         (ix86_fixup_binary_operands_no_copy): New.
20231         (ix86_expand_fp_absneg_operator): Handle vector mode results.
20232         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
20233         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
20234         (safe_vector_operand): Use CONST0_RTX.
20235         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
20236         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
20237         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
20238         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
20239         special cases.
20240         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
20241         (IX86_BUILTIN_CMPNGESS): New.
20242         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
20243         (attr type): Add sselog1.
20244         (attr unit, attr memory): Handle it.
20245         (movti, movti_internal, movti_rex64): Move near other integer moves.
20246         (movtf, movtf_internal): Move near other fp moves.
20247         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
20248         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
20249         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
20250         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
20251         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
20252         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
20253         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
20254         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
20255         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
20256         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
20257         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
20258         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
20259         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
20260         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
20261         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
20262         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
20263         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
20264         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
20265         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
20266         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
20267         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
20268         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
20269         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
20270         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
20271         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
20272         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
20273         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
20274         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
20275         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
20276         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
20277         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
20278         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
20279         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
20280         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
20281         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
20282         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
20283         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
20284         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
20285         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
20286         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
20287         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
20288         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
20289         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
20290         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
20291         same time.
20292         (SSEPUSH, push<SSEPUSH>): Remove.
20293         (MMXPUSH, push<MMXPUSH>): Remove.
20294         (sse_movaps, sse_movaps_1, sse_movups): Remove.
20295         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
20296         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
20297         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
20298         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
20299         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
20300         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
20301         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
20302         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
20303         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
20304         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
20305         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
20306         (ppro_sse_log_V4SF): Handle sselog1.
20307         * config/i386/predicates.md (const_0_to_1_operand): New.
20308         (const_0_to_255_mul_8_operand): New.
20309         (const_1_to_31_operand): Rename from const_int_1_31_operand.
20310         (const_2_to_3_operand, const_4_to_7_operand): New.
20311         * config/i386/sse.md: New file.
20312         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
20313         (sse_movups): Rename from sse_movups_1.
20314         (sse_loadlss): Rename from sse_loadss_1.
20315         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
20316         from the name.
20317         (negv4sf2): Use ix86_expand_fp_absneg_operator.
20318         (absv4sf2, negv2df, absv2df): New.
20319         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
20320         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
20321         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
20322         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
20323         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
20324         (sse3_addsubv4sf3): Model correctly.
20325         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
20326         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
20327         (sse_movhlps): Model with vec_select+vec_concat.
20328         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
20329         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
20330         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
20331         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
20332         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
20333         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
20334         sse2_pshufhw_1): Likewise.
20335         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
20336         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
20337         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
20338         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
20339         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
20340         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
20341         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
20342         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
20343         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
20344         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
20345         sminv8hi3): Mark commutative
20346         operands.  Use ix86_binary_operator_ok.
20347         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
20348         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
20349         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
20350         sse2_punpcklqdq): Allow operand2 in memory.
20351         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
20352         sse2_movsd): Add memory alternatives.
20353         (sse_storelps): Turn expander into an insn; split after reload.
20354         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
20355         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
20356
20357 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
20358
20359         * configure.ac (DWARF-2 debug_line): Use objdump.
20360         * configure: Regenerate.
20361
20362 2005-01-08  Jeff Law  <law@redhat.com>
20363             Diego Novillo  <dnovillo@redhat.com>
20364
20365         PR tree-optimization/18241
20366         * tree-nrv.c (tree_nrv): Ignore volatile return values.
20367         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
20368         statements with volatile operands.
20369         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
20370         operands after marking a statement with has_volatile_ops.
20371
20372 2005-01-08  Roger Sayle  <roger@eyesopen.com>
20373
20374         * tree.c (int_fits_type_p): Always honor integer constant
20375         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
20376
20377 2005-01-08  Roger Sayle  <roger@eyesopen.com>
20378
20379         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
20380         the latent bug in rtl_delete_block has been resolved.
20381
20382 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
20383
20384         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
20385         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
20386
20387 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
20388
20389         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
20390         library as @multilib_dir@/$(SHLIB_SONAME).
20391
20392 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
20393
20394         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
20395         * configure: Regenerate.
20396
20397 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
20398
20399         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
20400         TYPE_MODE.
20401
20402 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
20403
20404         PR target/13674
20405         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
20406         Convert non-word aligned offset address using ld/std into
20407         indirect address.
20408
20409 2005-01-07  Richard Henderson  <rth@redhat.com>
20410
20411         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
20412
20413 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
20414
20415         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
20416
20417 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
20418
20419         PR tree-optimization/19283
20420         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
20421         is not shorter than the original type.
20422
20423         PR rtl-optimization/19012
20424         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
20425
20426         PR rtl-optimization/18861
20427         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
20428         (FULL_STATE): Define.
20429         (mark_tablejump_edge): New function.
20430         (purge_dead_tablejump_edges): New function.
20431         (find_bb_boundaries): Use it.
20432
20433         PR tree-optimization/18828
20434         * builtins.c (expand_builtin_next_arg): Remove argument and all
20435         the argument checking.
20436         (expand_builtin): Adjust caller.
20437         (expand_builtin_va_start): Likewise.  Remove error for too many
20438         arguments.
20439         (fold_builtin_next_arg): Issue error for too many arguments.
20440         After checking arguments, replace them with magic arguments that
20441         prevent further checking of the args.
20442
20443 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20444
20445         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
20446
20447 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20448
20449         PR target/6077
20450         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
20451         and %{.S:...} (and their negative variants) to test whether the
20452         input file is assembler or pre-processed-assembler independent of
20453         the actual filename extension.
20454
20455 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20456
20457         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
20458         of sign or zero extended values.
20459
20460 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
20461
20462         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
20463         for IBM long double format correctly.
20464
20465 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
20466
20467         Fix PR tree-optimization/18792
20468
20469         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
20470         to first_loop_depth, and use loop depth instead of loop number.
20471         (build_classic_dir_vector): Ditto.
20472         (compute_data_dependences_for_loop): Use depth, not loop number.
20473         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
20474         number. Pass in loops, instead of loop numbers.
20475         (gather_interchange_stats): Ditto.
20476         (linear_transform_loops): Ditto.
20477
20478 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
20479
20480         PR rtl-opt/13299
20481         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
20482         biv_fits_mode_p, extension_within_bounds_p): New functions.
20483         (check_ext_dependent_givs): Use them.
20484
20485 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20486
20487         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
20488         more than one barrier, in which case we should delete them all.
20489
20490 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
20491
20492         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
20493
20494 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
20495
20496         Fix PR middle-end/19286
20497         Fix PR debug/19267
20498         * dwarf2out.c (gen_subprogram_die): If we've already tried to
20499         output this subprogram, simply ignore this attempt to do it again.
20500         (add_abstract_origin_attribute): Don't abort trying to add the abstract
20501         origin attribute if it's not possible.
20502         (gen_block_die): Don't ignore subblocks of "unused" blocks.
20503         (decls_for_scope): Ditto.
20504         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
20505         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
20506
20507 2005-01-05  Richard Henderson  <rth@redhat.com>
20508
20509         PR target/11327
20510         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
20511         (bdesc_2arg): Use it.
20512         (ix86_expand_binop_builtin): Force operands into registers
20513         when optimizing.
20514         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
20515         ix86_expand_sse_compare, ix86_expand_sse_comi,
20516         ix86_expand_builtin): Likewise.
20517
20518 2005-01-05  Richard Henderson  <rth@redhat.com>
20519
20520         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
20521         and VEC_SELECT.
20522         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
20523         (mulv4hi3): Set itanium_class mmmul.
20524         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
20525         (fpack): Rename from fpack_sfsf.
20526
20527 2005-01-05  Richard Henderson  <rth@redhat.com>
20528
20529         PR rtl-opt/10692
20530         * reload1.c (do_input_reload): Restrict the optimization deleteing
20531         a previous output reload to RELOAD_FOR_INPUT.
20532
20533 2005-01-05  Steven Bosscher  <stevenb@suse.de>
20534
20535         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
20536         comment that we fall through after case.
20537         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
20538         (distribute_links): Likewise.
20539         * cse.c (cse_insn): Likewise.
20540         * cselib.c (cselib_invalidate_mem): Likewise.
20541         * df.c: Update comments at the top of the file.
20542         (read_modify_subreg_p): Update comments here too.
20543         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
20544         * flow.c (mark_set_1): Likewise.
20545         (mark_used_regs): Likewise.
20546         * gcse.c (mems_conflict_for_gcse_p): Likewise.
20547         (canon_list_insert): Likewise.
20548         (mark_set): Likewise.
20549         (try_replace_reg): Likewise.
20550         (store_killed_in_insn): Likewise.
20551         * loop.c (count_one_set): Likewise.
20552         (basic_induction_var): Likewise.
20553         * postreload-gcse.c (find_mem_conflicts): Likewise.
20554         * postreload.c (reload_combine_note_store): Likewise.
20555         (move2add_note_store): Likewise.
20556         * reload.c (find_equiv_reg): Likewise.
20557         (mark_referenced_resources): Likewise.
20558         * rtlanal.c (set_noop_p): Likewise.
20559         (note_stores): Likewise.
20560         (note_uses): Likewise.
20561         * sched-deps.c (sched_analyze_1): Likewise.
20562         * sched-rgn.c (check_live_1): Likewise.
20563         (update_live_1): Likewise.
20564         * config/i860/i860.c: Likewise.
20565
20566         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
20567         an lvalue.
20568         (ZERO_EXTRACT): Mention that this one can be an lvalue.
20569
20570         * doc/rtl.texi: Update documentation for bit-fields and SET.
20571
20572 2005-01-05  Roger Sayle  <roger@eyesopen.com>
20573
20574         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
20575
20576 2005-01-05  Jan Hubicka  <jh@suse.cz>
20577             Richard Henderson  <rth@redhat.com>
20578
20579         PR target/18910
20580         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
20581         with an offset.
20582
20583 2005-01-05  Richard Henderson  <rth@redhat.com>
20584
20585         PR target/12902
20586         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
20587         (sse_shufps): Change operand 3 to const_int_operand.
20588         (sse2_storelps): Fix typo in template.
20589         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
20590         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
20591         (ix86_expand_builtin): Likewise.
20592
20593 2005-01-05  Julian Brown  <julian@codesourcery.com>
20594
20595         * config/arm/arm.c (arm_return_in_memory): Treat complex types
20596         as aggregates for AAPCS ABIs.
20597
20598 2005-01-05  Stan Shebs  <shebs@apple.com>
20599
20600         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
20601         Mach-O getters if ppc64.
20602         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
20603         size argument.
20604         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
20605         signed four-byte field for global code case.
20606         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
20607
20608 2005-01-05  Roger Sayle  <roger@eyesopen.com>
20609
20610         PR middle-end/19100
20611         * c-common.c: Include real.h.
20612         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
20613         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
20614         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
20615         * Makefile.in (c-common.o): Update dependencies.
20616
20617 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20618
20619         * c-parse.in (asm_string): Add trailing semicolon.
20620
20621 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20622
20623         * c-parse.in (asm_string): New.  Don't allow wide strings in
20624         'asm'.
20625         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
20626         asm_string instead of STRING.
20627
20628 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20629
20630         * c-typeck.c (constructor_no_implicit): Remove.
20631         (set_designator, process_init_element): Don't check
20632         constructor_no_implicit.
20633
20634 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
20635             Kaz Kojima  <kkojima@gcc.gnu.org>
20636
20637         PR target/16482
20638         * lcm.c (create_pre_exit): New.
20639         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
20640         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
20641
20642 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
20643
20644         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
20645         -msoft-float in target_float_switch.
20646         * arm.c (arm_override_options): Fix processing of target_float_switch.
20647
20648 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
20649
20650         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
20651         preferencing.
20652
20653 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
20654
20655         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
20656         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
20657
20658 2005-01-04  Roger Sayle  <roger@eyesopen.com>
20659
20660         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
20661         if deleting the then-block allows the test-block to fallthru to the
20662         else-block.
20663
20664 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
20665
20666         PR c/19152
20667         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
20668         after the full declaration if the are in two different TUs.
20669
20670 2005-01-04  Richard Henderson  <rth@redhat.com>
20671
20672         PR tree-opt/19158
20673         * tree-sra.c (generate_one_element_init): Just
20674         call gimplify_and_add.
20675         (generate_element_init): Record the
20676         new referenced variables and mark them for renaming
20677         and split out to ...
20678         (generate_element_init_1): This.
20679         (scalarize_init): Don't call push_gimplify_context/
20680         pop_gimplify_context.
20681
20682 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
20683
20684         * toplev.c (get_src_pwd): Handle failure of getpwd().
20685
20686 2005-01-04  Roger Sayle  <roger@eyesopen.com>
20687
20688         * fold-const.c (fold_single_bit_test): Delete unreachable handling
20689         of TRUTH_NOT_EXPR.
20690         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
20691         all the cases handled by it are inverted by invert_truthvalue.
20692
20693 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20694
20695         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
20696         (save_register_windowsi): Likewise.
20697
20698 2005-01-04  Richard Henderson  <rth@redhat.com>
20699
20700         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
20701
20702 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20703
20704         PR middle-end/17767
20705         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
20706         any simplifications of vector mode comparison operators.
20707         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
20708
20709 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
20710             Devang Patel  <dpatel@apple.com>
20711
20712         PR tree-optimization/18308
20713         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
20714         the operands before creating a new expression.
20715         * dojump.c (do_jump): Make drop_through_label available
20716         for all cases.  Add expansion of COND_EXPR.
20717
20718 2005-01-04  Ira Rosen  <irar@il.ibm.com>
20719
20720         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
20721         INTEGER_CST instead of TREE_CONSTANT.
20722         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
20723         instead of TREE_CONSTANT.
20724         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
20725         instead of TREE_CONSTANT.
20726
20727 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20728
20729         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
20730
20731 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20732
20733         PR target/19240
20734         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
20735         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
20736
20737 2005-01-03  Richard Henderson  <rth@redhat.com>
20738
20739         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
20740         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
20741         fold_convert_const_real_from_real): Split out from ...
20742         (fold_convert_const): ... here.
20743
20744 2005-01-03  Richard Henderson  <rth@redhat.com>
20745
20746         PR target/19235
20747         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
20748         (mov<MMXMODEI>_internal): Likewise.
20749         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
20750         Add V2SF case; use it for SSE1; don't use TI.
20751         (movdf_integer): Likewise.
20752         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
20753
20754 2005-01-03  Ira Rosen  <irar@il.ibm.com>
20755
20756         * tree-vectorizer.c (vect_strip_conversions): New function.
20757         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
20758         check for binary class.
20759
20760 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
20761
20762         Fix PR debug/17924
20763         Fix PR debug/19191
20764         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
20765         is a decl.
20766         * gimple-low.c (mark_blocks_with_used_vars): New function.
20767         (mark_blocks_with_used_subblocks): Ditto.
20768         (mark_used_blocks): Ditto.
20769         (pass_mark_used_blocks): New pass.
20770         * tree-inline.c: Include debug.h.
20771         (expand_call_inline): Call outlining_inline_function here.
20772         * tree-optimize.c (init_tree_optimization_passes): Add
20773         pass_mark_used_blocks.
20774         * tree-pass.h (pass_mark_used_blocks): New.
20775         * Makefile.in (tree-inline.o): Add debug.h dependency.
20776
20777 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
20778
20779         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
20780         VAR_DECLs to have weak_import attribute.
20781
20782         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
20783         'struct ucontext'.
20784
20785 2004-01-03  Steven Bosscher  <stevenb@suse.de>
20786
20787         * passes.c (rest_of_compilation): Don't run regmove if only
20788         flag_expensive_optimizations, require flag_regmove instead.
20789
20790 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20791
20792         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
20793         register "sparc".
20794         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
20795         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20796         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
20797         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20798
20799 2005-01-03  Richard Henderson  <rth@redhat.com>
20800
20801         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
20802         (ia64_const_ok_for_letter_p): New.
20803         (ia64_const_double_ok_for_letter_p): New.
20804         (ia64_extra_constraint): New.
20805         (ia64_expand_vecint_compare): New.
20806         (ia64_expand_vcondu_v2si): New.
20807         (ia64_expand_vecint_cmov): New.
20808         (ia64_expand_vecint_minmax): New.
20809         (ia64_print_operand): Add 'v'.
20810         (ia64_preferred_reload_class): New.
20811         (ia64_vector_mode_supported_p): New.
20812         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
20813         (PREFERRED_RELOAD_CLASS): Move to function.
20814         (CONST_OK_FOR_LETTER_P): Move to function.
20815         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
20816         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
20817         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
20818         (EXTRA_CONSTRAINT): Move to function.
20819         * config/ia64/ia64.md: Include vect.md.
20820         (itanium_class): Add mmalua.
20821         (type): Handle it.
20822         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
20823         (1b_mmalua): New.
20824         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
20825         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
20826         CONST0_RTX.
20827         (const_int_2bit_operand): New.
20828         (fr_reg_or_0_operand): New.
20829         * config/ia64/ia64-modes.def: Add vector modes.
20830         * config/ia64/ia64-protos.h: Update.
20831         * config/ia64/vect.md: New file.
20832
20833 2005-01-03  Richard Henderson  <rth@redhat.com>
20834
20835         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
20836
20837 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
20838
20839         PR target/19236
20840         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
20841         to SFmode.
20842         (log1pdf2): Change mode of operands[0,1] to DFmode.
20843
20844 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20845
20846         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
20847         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
20848         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
20849         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
20850         SPARC_RELAXED_ORDERING.
20851
20852 2005-01-03  Richard Henderson  <rth@redhat.com>
20853             Uros Bizjak  <uros@kss-loka.si>
20854
20855         PR target/14631
20856         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
20857         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
20858         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
20859         handling.
20860         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
20861         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
20862         const_pow2_1_to_128_operand): New predicates.
20863
20864 2005-01-02  Greg McGary  <greg@mcgary.org>
20865
20866         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
20867         anonymous decls.
20868         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
20869         object.  [ptr_type]: Remove unused variable.
20870         Remember nearest addressable array-element or record-component
20871         when checking bitfield components.  Tolerate empty BIND_EXPR.
20872
20873 2005-01-01  Richard Henderson  <rth@redhat.com>
20874
20875         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
20876         that don't narrow the value.  Fail for other conversions.
20877
20878 2005-01-01  Richard Henderson  <rth@redhat.com>
20879
20880         PR c/19031
20881         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
20882         * c-lang.c (finish_file): Don't do it here.
20883         * objc/objc-act.c (objc_finish_file): Likewise.
20884
20885         * cgraph.c (decl_assembler_name_equal): New.
20886         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
20887         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
20888         * cgraph.h (struct cgraph_varpool_node): Add next.
20889         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
20890         * varasm.c (assemble_alias): Mark the target as needed.
20891
20892 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
20893
20894         PR middle-end/19221
20895         * function.c (get_arg_pointer_save_area): Use entry_of_function
20896         instead of get_insns.
20897
20898 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20899             Andrew Pinski  <pinskia@physics.uc.edu>
20900             James E. Wilson  <wilson@specifixinc.com>
20901
20902         PR rtl-optimization/12092
20903         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
20904         is zero.
20905
20906 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20907             Olivier Hainque  <hainque@act-europe.fr>
20908
20909         * tree.c (int_fits_type_p): A narrower type always fits in a
20910         wider one, except for negative values into unsigned types.
20911
20912 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20913
20914         * tree.c (int_fits_type_p): Compare the result of force_fit_type
20915         with the original constant rather than require TREE_OVERFLOW.
20916
20917 2005-01-01  Steven Bosscher  <stevenb@suse.de>
20918
20919         PR middle-end/17544
20920         * c-decl.c (finish_function): If compiling C99, annotate the
20921         compiler generated return with the current file name and line 0.
20922         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
20923         the source line is greater than 0.
20924         (remove_bb): Likewise.