OSDN Git Service

PR tree-optimization/19903
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3
4         PR tree-optimization/19903
5         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6         that don't fit in their type after conversion.
7
8 2005-04-05 Uros Bizjak <uros@kss-loka.si>
9
10         PR target/20421
11         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
12         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
13         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
14         flag here. Implement using define_insn_and_split.  
15         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
16         (frndintxf2_mask_pm_i387): New insn patterns.
17         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
18         Do not set ix86_optimize_mode_switching flag.
19         (ceilsf2, ceildf2, ceilxf2): Same.
20         (btruncsf2, btruncdf2, btruncxf2): Same.
21         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
22
23 2005-04-05  Ian Lance Taylor  <ian@airs.com>
24
25         PR debug/9963
26         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
27         i386_pe_record_external_function.
28         (i386_pe_record_external_function): Update declaration.
29         * config/i386/winnt.c (struct extern_list): Add decl field.
30         (i386_pe_record_external_function): Add decl parameter.
31         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
32         identifier.
33         * config/i386/i386-protos.h (i386_pe_record_external_function):
34         Update declaration.
35
36 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
37
38         * config/m68k/m68k-protos.h: Add a prototype for
39         valid_dbcc_comparison_p_2.
40         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
41         extend_operator, const_uint32_operand, const_sint32_operand,
42         general_src_operand, nonimmediate_src_operand,
43         memory_src_operand, post_inc_operand, pre_dec_operand,
44         pcrel_address): Move to predicates to predicates.md.
45         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
46         * config/m68k/m68k.md: Include predicates.md.
47         * config/m68k/predicates.md: New.
48
49 2005-04-04  Roger Sayle  <roger@eyesopen.com>
50
51         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
52
53         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
54
55 2005-04-04  Ian Lance Taylor  <ian@airs.com>
56
57         * c-typeck.c (struct c_switch): Rename switch_stmt field to
58         switch_expr.
59         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
60         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
61         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
62         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
63         * c-common.c (c_do_switch_warnings_1): New static function broken
64         out of c_do_switch_warnings.
65         (c_do_switch_warnings): Call c_do_switch_warnings_1.
66         (c_do_switch_expr_warnings): New function.
67         * c-common.h (c_do_switch_expr_warnings): Declare.
68
69 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
70             Daniel Jacobowitz  <dan@codesourcery.com>
71
72         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
73         trapping divide.
74         * rtlanal.c (may_trap_p): Same.
75
76 2005-04-04  Dale Johannesen  <dalej@apple.com>
77
78         * ChangeLog:  remove reference to ChangeLog.12.
79
80 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
81
82         CRIS epilogue as RTL.
83         * config/cris/cris.md: Change all 0 in unspec 0 to
84         CRIS_UNSPEC_PLT.
85         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
86         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
87         patterns.
88         ("return"): Change to define_expand.  Call cris_expand_return for
89         actual expansion.
90         ("*return_expanded"): New pattern.
91         ("epilogue"): New define_expand.
92         * config/cris/cris.h (PREDICATE_CODES): Add
93         cris_load_multiple_op.
94         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
95         type.
96         (enum cris_retinsn_type): New.
97         (struct machine_function): New member return_type.
98         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
99         (cris_target_asm_function_epilogue): Remove, moving RTLified
100         contents to...
101         (cris_expand_epilogue): New function.
102         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
103         (cris_gen_movem_load, cris_load_multiple_op)
104         (cris_return_address_on_stack_for_return, cris_expand_return): New
105         functions.
106         (cris_target_asm_function_prologue)
107         (cris_initial_frame_pointer_offset): Call
108         cris_reg_saved_in_regsave_area instead of complicated expression.
109         Call cris_return_address_on_stack instead of an expression.
110         (cris_print_operand) <case 'o', case 'O'>: New cases.
111         (cris_return_address_on_stack): Change return-type to bool.
112         (cris_simple_epilogue): Ditto.  Return false if registers are
113         saved.
114         * config/cris/cris-protos.h (cris_simple_epilogue)
115         (cris_return_address_on_stack): Adjust prototype return type.
116         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
117         (cris_return_address_on_stack_for_return): New prototypes.
118
119 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
120
121         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
122         gpr_or_int12_operand.
123
124         * config/frv/frv-protos.h: Add a prototype to
125         frv_legitimate_memory_operand and frv_const_unspec_p.
126         (frv_unspec): Move from frv.c.
127         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
128         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
129         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
130         gpr_or_fpr_operand, gpr_or_int12_operand,
131         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
132         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
133         int6_operand, int5_operand, uint5_operand, uint4_operand,
134         uint1_operand, int_2word_operand, uint16_operand,
135         upper_int16_operand, integer_register_operand,
136         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
137         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
138         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
139         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
140         move_destination_operand, movcc_fp_destination_operand,
141         frv_function_symbol_referenced_p, move_source_operand,
142         condexec_dest_operand, condexec_source_operand,
143         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
144         const_unspec_operand, gpr_or_memory_operand,
145         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
146         icc_operand, fcc_operand, cc_operand, icr_operand,
147         fcr_operand, cr_operand, call_operand, sibcall_operand,
148         symbolic_operand, relational_operator,
149         integer_relational_operator, float_relational_operator,
150         ccr_eqne_operator, minmax_operator,
151         condexec_si_binary_operator, condexec_si_media_operator,
152         condexec_si_divide_operator, condexec_si_unary_operator,
153         condexec_sf_conv_operator, condexec_sf_add_operator,
154         condexec_memory_operand, intop_compare_operator, acc_operand,
155         even_acc_operand, quad_acc_operand, accg_operand: Move to
156         predicates.md.
157         * config/frv/frv.h (PREDICATE_CODES): Remove.
158         * config/frv/frv.md: Include predicates.md.
159         * config/frv/predicates.md: New.
160
161 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
162
163         PR target/19537
164         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
165         * tree-ssa-loop-ivopts.c: Include langhooks.h.
166         (add_standard_iv_candidates_for_size): New function, extracting code
167         from add_standard_iv_candidates and parameterizing it by type size.
168         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
169
170 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
171
172         * system.h (GCOV_SIZE_TYPE): Unposion.
173         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
174         (GCOV_TYPE_SIZE): ...this new macro.
175         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
176         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
177         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
178         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
179         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
180         instead of unsigned_intSI_type_node.
181         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
182         (rtl_gen_one_value_profiler_no_edge_manipulation)
183         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
184         * value-prof.c: Include coverage.h.
185
186 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
187             Diego Novillo <dnovillo@redhat.com>
188             
189         Fix PR tree-optimization/20703
190         Fix PR tree-optimization/20725
191         
192         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
193         (create_expression_by_pieces): Ditto.
194         (valid_in_set): Ditto. Also handle tcc_declaration.
195         (find_or_generate_expression): Handle comparison class.
196         (insert_into_preds_of_block): Ditto.
197         (insert_aux): Ditto.
198         (create_value_expr_from): Handle comparison class, recursively
199         handle reference nodes.
200         (compute_avail): Handle comparison classes, rewrite a little cleaner.
201         (execute_pre): Fix spacing.
202         (do_fre): Renamed to execute_fre.
203
204 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
205
206         * doc/invoke.texi (SPARC options): Document that
207         -mlittle-endian is not supported on Linux either.
208
209 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
210
211         PR target/4198
212         PR target/12027
213         * config.gcc (Obsolete configurations): Remove
214         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
215         (sparclite-*-coff*): Delete.
216         (sparclite-*-elf*): Likewise.
217         (sparc86x-*-elf*): Likewise.
218         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
219         * config/sparc/lite.h: Delete.
220         * config/sparc/litecoff.h: Likewise.
221         * config/sparc/liteelf.h: Likewise.
222         * config/sparc/sp86x-elf.h: Likewise.
223         * config/sparc/t-sparclite: Likewise.
224         * config/sparc/t-sp86x: Likewise.
225
226 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
227
228         * config/s390/s390-protos.h: (s390_comparison,
229         s390_alc_comparison, s390_slb_comparison, const0_operand,
230         consttable_operand, larl_operand, s_operand,
231         shift_count_operand, bras_sym_operand, load_multiple_operation,
232         store_multiple_operation, s390_plus_operand): Remove prototypes.
233         (s390_legitimate_address_without_index_p): New prototype.
234         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
235         to s390.h.
236         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
237         const0_operand, consttable_operand, larl_operand, s_operand,
238         shift_count_operand, bras_sym_operand, load_multiple_operation,
239         store_multiple_operation, s390_plus_operand): Move to
240         predicates.md.
241         (check_mode): Remove.
242         (s390_branch_condition_mask): Remove 'static'. Move prototype to
243         s390-protos.h.
244         (s390_legitimate_address_without_index_p): New.
245         * config/s390/s390.h (PREDICATE_CODES): Remove.
246         * config/s390/s390.md: Include predicates.md.
247         * config/s390/predicates.md: New.
248
249 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
250
251         PR target/20446
252         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
253         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
254         (NEED_INDICATE_EXEC_STACK): Define to 1.
255         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
256         (NEED_INDICATE_EXEC_STACK): Define to 1.
257         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
258         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
259         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
260         (pic_helper_emitted_p): New global.
261         (emit_pic_helper): New function extracted from...
262         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
263         Do not call emit_pic_helper if delay_pic_helper is true.
264         (sparc_expand_prologue): Pass 'false' to load_pic_register.
265         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
266         (sparc_file_end): New function.
267
268 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
269
270         * config/mcore/mcore-protos.h: Remove the prototypes for
271         mcore_arith_reg_operand, mcore_general_movsrc_operand,
272         mcore_general_movdst_operand, mcore_reload_operand,
273         mcore_arith_J_operand, mcore_arith_K_operand,
274         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
275         mcore_arith_K_S_operand, mcore_arith_imm_operand,
276         mcore_arith_any_imm_operand, mcore_arith_O_operand,
277         mcore_literal_K_operand, mcore_addsub_operand,
278         mcore_compare_operand, mcore_load_multiple_operation,
279         mcore_store_multiple_operation, mcore_call_address_operand.
280         Add a prototype for const_ok_for_mcore.
281         * config/mcore/mcore.c (mcore_call_address_operand,
282         mcore_general_movsrc_operand, mcore_general_movdst_operand,
283         mcore_arith_reg_operand, mcore_reload_operand,
284         mcore_arith_J_operand, mcore_arith_K_operand,
285         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
286         mcore_arith_M_operand, mcore_arith_imm_operand,
287         mcore_arith_any_imm_operand, mcore_arith_O_operand,
288         mcore_literal_K_operand, mcore_addsub_operand,
289         mcore_compare_operand, mcore_load_multiple_operation,
290         mcore_store_multiple_operation): Move to predicates.md.
291         (const_ok_for_mcore): Export.
292         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
293         * config/mcore/mcore.md: Include predicates.md.
294         * config/mcore/predicates.md: New.
295
296         * config/mcore/predicates.md: Fix a comment typo.
297
298 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
299             Adrian Straetling  <straetling@de.ibm.com>
300
301         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
302         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
303         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
304         attribute.
305         ("imul"): Removed from "type" attribute.
306         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
307         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
308         Changed type to imulsi.
309         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
310
311 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
312
313         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
314         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
315         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
316         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
317         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
318         (TARGET_SWITCHES, mcore_stack_increment_string)
319         (TARGET_OPTIONS): Delete.
320         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
321         than *_BIT constants.
322         (TARGET_8ALIGN): #undef old definition before redefining to 1.
323         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
324         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
325         (mcore_override_options): Delete mcore_stack_increment code.
326         Change use of M340_BIT to MASK_M340.
327         * config/mcore/mcore.opt: New file.
328
329 2005-04-04  Ian Lance Taylor  <ian@airs.com>
330
331         * config/arm/arm.c (replace_symbols_in_block): Remove static
332         function.
333
334 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
335
336         * config/fr30/fr30-protos.h: Remove the prototypes for
337         stack_add_operand, add_immediate_operand,
338         high_register_operand, low_register_operand, call_operand,
339         di_operand, and nonimmediate_di_operand.
340         * config/fr30/fr30.c (stack_add_operand,
341         add_immediate_operand, high_register_operand,
342         low_register_operand, call_operand, di_operand,
343         nonimmediate_di_operand): Move to predicates.md.
344         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
345         * config/fr30/fr30.md: Include predicates.md.
346         * config/fr30/predicates.md: New.
347
348         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
349         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
350         mcore_call_address_operand.
351
352         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
353         general_movsrc_operand.
354
355 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
356
357         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
358         after freeing.
359
360 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
361
362         PR target/14812
363         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
364         a negated value.
365
366 2005-04-04  Richard Henderson  <rth@redhat.com>
367             Jakub Jelinek  <jakub@redhat.com>
368
369         PR rtl-optimization/16104
370         * fold-const.c (fold_unary): Fix folding of vector conversions.
371
372 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
373
374         * config.gcc (xstormy16-*-elf): Set extra_options.
375         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
376         * config/stormy16/stormy16.opt: New file.
377
378 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
379
380         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
381         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
382         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
383         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
384         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
385         (TARGET_UNIX_ASM): Delete.
386         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
387         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
388         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
389         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
390         * config/pdp11/pdp11.opt: New file.
391
392 2005-04-03  Roger Sayle  <roger@eyesopen.com>
393             Alexandre Oliva  <aoliva@redhat.com>
394
395         PR c++/19199
396         * fold-const.c (non_lvalue): Split tests into...
397         (maybe_lvalue_p): New function.
398         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
399         C++ front-end prior to lowering into gimple form.
400
401 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
402
403         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
404         BUILT_IN_STRNCASECMP): New.
405         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
406         and strndup.
407
408 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
409
410         PR target/14812
411         * arm.md (addsi3_compare0_for_combiner): Delete.
412         (addsi3_compare0_scratch_for_combiner): Delete.
413         (cmpsi_neg_shiftsi): Delete.
414         (compare_negsi_si): New pattern.
415         (cmpsi_negshiftsi_si): New pattern.
416         (negated_cbranchsi4): Restrict to equality_operator.
417         
418         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
419         template.
420
421 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
422
423         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
424         Fix comment typos.
425
426         * doc/install.texi: Fix a typo.
427
428 2005-04-03  Steven Bosscher  <stevenb@suse.de>
429
430         PR middle-end/20648
431         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
432         a computed goto if the edge to the computed goto block has
433         incoming abnormal edges.  Clarify how the function works.
434
435 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
436
437         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
438         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
439         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
440         hash_scan_set, reg_set_between_after_reload_p,
441         reg_used_between_after_reload_p, get_avail_load_store_reg,
442         eliminate_partially_redundant_load): Likewise.
443         * postreload.c (reload_cse_simplify_set,
444         reload_combine_note_use): Likewise.
445         * predict.c (predict_insn, expected_value_to_br_prob,
446         propagate_freq, expensive_function_p): Likewise.
447         * print-rtl.c (print_rtx): Likewise.
448         * profile.c (instrument_edges, instrument_values,
449         compute_branch_probabilities, branch_prob, union_groups,
450         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
451         * protoize.c (in_system_include_dir, file_could_be_converted,
452         file_normally_convertible, gen_aux_info_file, seek_to_line,
453         do_cleaning): Likewise.
454         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
455         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
456         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
457
458 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
459
460         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
461         * modulo-sched.c (undo_replace_buff_elem): New structure.
462         (kernel_number_of_cycles, ps_unschedule_node,
463         undo_generate_reg_moves,free_undo_replace_buff,
464         undo_permute_partial_schedule,  loop_single_full_bb_p,
465         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
466         build_loops_structure, get_sched_window): New.
467         (generate_reg_moves): Return undo_replace_buff_elem and other
468         fixes.
469         (generate_prolog_epilog): Remove old loop versioning.
470         (sms_schedule): Use loop information and loop_version.
471         (sms_schedule_by_order): Split part of it to get_sched_window.
472         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
473         cfg_layout_finalize and free_dominance_info before/after SMS.
474
475 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
476
477         * cfghooks.c (lv_flush_pending_stmts,
478         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
479         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
480         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
481         lv_add_condition_to_bb,
482         lv_adjust_loop_header_phi, extract_cond_bb_edges,
483         flush_pending_stmts): New in cfg_hooks structure.
484         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
485         extract_cond_bb_edges, lv_adjust_loop_header_phi,
486         lv_add_condition_to_bb): New declarations.
487         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
488         bool.
489         (loop_version): Declare.
490         * cfgloopmanip.c (cfghooks.h): Include.
491         (duplicate_loop_to_header_edge): Change return type to bool.
492         (loop_version, lv_adjust_loop_entry_edge): Move here.
493         * cfgrtl.c (cfgloop.h): Include.
494         (rtl_verify_flow_info_1): Fix.
495         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
496         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
497         initialization.
498         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
499         tree_lv_add_condition_to_bb): New.
500         (tree_cfg_hooks): Add new hooks to initialization.
501         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
502         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
503
504 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
505
506         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
507         xstormy16_below100_or_register,
508         xstormy16_splittable_below100_or_register, and
509         nonimmediate_nonstack_operand.
510
511         * config/stormy16/stormy16-protos.h: Remove the prototypes for
512         xstormy16_ineqsi_operator, equality_operator,
513         inequality_operator, shift_operator,
514         xstormy16_below100_operand, xstormy16_below100_or_register,
515         xstormy16_splittable_below100_or_register,
516         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
517         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
518         equality_operator, inequality_operator,
519         xstormy16_below100_operand, xstormy16_below100_or_register,
520         xstormy16_splittable_below100_or_register,
521         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
522         nonimmediate_nonstack_operand, shift_operator): Move to
523         predicates.md.
524         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
525         * config/stormy16/stormy16.md: Include predicates.md.
526         * config/stormy16/predicates.md: New.
527
528 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
529
530         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
531         small_int, large_int, reg_or_0_operand, simple_memory_operand,
532         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
533         move_operand, power_of_2_operand): Move to predicates.md.
534         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
535         PREDICATE_CODE): Remove.
536         * config/iq2000/iq2000.md: Include predicates.md.
537         * config/iq2000/predicates.md: New.
538
539 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
540
541         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
542         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
543         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
544         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
545         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
546         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
547         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
548         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
549         (TARGET_M68HC11): Delete.
550         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
551         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
552         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
553         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
554         (nb_soft_regs): Delete.
555         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
556         (m68hc11_override_options): Remove the code that caters for MASK_M6811
557         and MASK_M6812 being set simultaneously.  Change the code that sets
558         the default m68hc11_soft_reg_count to use integers instead of strings.
559         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
560         m68hc11_soft_reg_count (which now has an int type) as the number
561         of soft registers.
562         * config/m68hc11/m68hc11.opt: New file.
563
564 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
565
566         * config/fr30/fr30.h (PREDICATE_CODES): Remove
567         fp_displacement_operand, sp_displacement_operand.
568
569         * config/m68hc11/m68hc11-protos.h: Add a prototype for
570         m68hcc_auto_inc_p.
571         Remove the prototypes for tst_operand, cmp_operand,
572         stack_register_operand, d_register_operand,
573         hard_addr_reg_operand, splitable_operand,
574         m68hc11_logical_operator, m68hc11_arith_operator,
575         m68hc11_non_shift_operator, m68hc11_shift_operator,
576         m68hc11_unary_operator, m68hc11_eq_compare_operator,
577         non_push_operand, hard_reg_operand, and
578         reg_or_some_mem_operand.
579         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
580         extern.
581         (tst_operand, cmp_operand, non_push_operand,
582         splitable_operand, reg_or_some_mem_operand,
583         stack_register_operand, d_register_operand,
584         hard_addr_reg_operand, hard_reg_operand,
585         m68hc11_eq_compare_operator, m68hc11_logical_operator,
586         m68hc11_arith_operator, m68hc11_non_shift_operator,
587         m68hc11_shift_operator, m68hc11_unary_operator): Move to
588         predicates.md.
589         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
590         * config/m68hc11/m68hc11.md: Include predicates.md.
591         * config/m68hc11/predicates.md: New.
592
593 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
594
595         PR debug/19345
596         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
597         change checked in along with 2005-03-03's patch for debug/20253.
598         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
599         (remap_decl): Insert type decl in map earlier.
600
601 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
602
603         PR tree-optimization/20640
604         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
605         post-dominator if it has phi nodes.
606         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
607         before dead statements.
608
609 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
610
611         PR middle-end/20491
612         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
613
614 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
615
616         PR rtl-optimization/20290
617         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
618         in every iteration if the entry point is the exit test.
619
620 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
621
622         * config/cris/cris.md (attribute "length"): Define.
623
624 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
625
626         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
627         (word_offset_memref_operand): New.
628         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
629         (indexed_or_indirect_operand): Delete.
630         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
631         (indexed_or_indirect_operand): Delete.
632
633         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
634
635         PR 20650
636         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
637         a register.
638
639         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
640         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
641
642 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
643
644         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
645
646 2005-04-01  Ian Lance Taylor  <ian@airs.com>
647
648         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
649         (rus, prus): Remove static variables.
650         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
651         (process_command): Permit report_times and use_pipes together.
652
653 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
654
655         * c-decl.c (validate_proto_after_old_defn): Look at
656         TYPE_MAIN_VARIANT of argument types.
657
658 2005-04-01  Paul Brook  <paul@codesourcery.com>
659
660         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
661         (arm_output_function_epilogue): Allow call_via_SP.
662         (thumb_call_via_reg, arm_file_end): Ditto.
663         * config/arm/arm.h (struct machine_function): Include space for SP.
664         (thumb_call_via_label): Update declaration.
665
666 2005-04-01  Ian Lance Taylor  <ian@airs.com>
667
668         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
669         doing a peephole optimization, once again put any notes in the
670         proper position.
671
672 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
673
674         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
675
676 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
677
678         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
679         (block_alloc, find_free_reg): Likewise.
680         * loop-doloop.c (doloop_modify): Likewise.
681         * loop-invariant.c (record_use): Likewise.
682         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
683         get_iv_value, canon_condition, eliminate_implied_condition,
684         eliminate_implied_condition, simplify_using_initial_values,
685         shorten_into_mode, canonicalize_iv_subregs,
686         iv_number_of_iterations): Likewise.
687         * loop-unroll.c (expand_var_during_unrolling): Likewise.
688         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
689         unswitch_loop): Likewise.
690         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
691         move_movables, replace_call_address, find_and_verify_loops,
692         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
693         record_giv, final_giv_value, general_induction_var,
694         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
695         loop_giv_dump): Likewise.
696
697         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
698         GCOV_CHECK_WRITING): Remove.
699         (gcov_position, gcov_rewrite): Use gcc_assert.
700         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
701         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
702         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
703         gcc_assert.
704
705 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
706
707         * tree-inline.c: Fix a typo.
708
709 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
710
711         * configure.ac (enable-checking): Explicitly set all variables for
712         collective switch values.  Alphabetize variables. Rename
713         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
714         synonym for 'no'.
715         * doc/install.texi (enable-checking): Update documentation.
716         * configure: Rebuilt.
717
718 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
719
720         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
721         possible.
722
723 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
724
725         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
726         Also reject cases where this pattern will cause load delay stalls
727         unless optimizing for size and it will produce a shorter sequence.
728         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
729         variants to avoid pre-adjusting the base when possible.
730
731 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
732
733         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
734         the frame and argument pointers.
735         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
736         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
737         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
738         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
739         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
740         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
741
742 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
743
744         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
745         with entry for selectany attribute.
746         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
747         Declare.
748         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
749         (i386_pe_asm_named_section): Handle sections generated by
750         selectany attribute.
751         * doc/extend.texi (selectany): Document attribute.
752
753 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
754             Jan Hubicka  <jh@suse.cz>
755
756         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
757         to fix addresses involving EBP and ESP.
758         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
759         for SUBREGed registers.
760         (legitimate_address_p): Accept SUBREGed registers.
761
762 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
763
764         PR c++/19406
765         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
766         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
767         for FIELD_DECLs.
768
769 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
770
771         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
772
773 2005-04-01  James E Wilson  <wilson@specifixinc.com>
774
775         PR c++/20505
776         * dwarf2out.c (rtl_for_decl_init): New function.
777         (rtl_for_decl_location): Extracted from here.
778         (tree_add_const_value_attribute): Call rtl_for_decl_init and
779         add_const_value_attribute.  Delete initializer_constant_valid_p call.
780
781 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
782
783         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
784         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
785         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
786         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
787         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
788         config/i386/i386.md, config/rs6000/predicates.md,
789         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
790         config/s390/s390.c, config/stormy16/stormy16.c,
791         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
792         typos.
793
794 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
795
796         PR c/17855
797         * gimplify.c (gimplify_expr): Create a temporary for lvalue
798         COND_EXPR and CALL_EXPR.
799
800 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
801
802         PR target/20632
803         * genautomata.c (first_cycle_unit_presence): Check all alternative
804         states for unit presence.
805
806         * doc/md.texi: Remove remark about impossibility to query unit
807         presence in non nondeterministic automaton state.
808         
809         * config/ia64/ia64.c (get_template): Change order of unit querying.
810
811 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
812
813         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
814         obsolete comment.
815
816 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
817
818         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
819         flag for edges outside any loops.
820
821 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
822
823         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
824
825 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
826
827         * tree-ssa-alias.c: Follow spelling conventions.
828         * doc/tree-ssa.texi: Fix a typo.
829
830 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
831
832         * postreload-gcse.c: Include target.h.
833         (gcse_after_reload_main): Return early if we cannot modify jumps.
834         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
835
836 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
837
838         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
839         expensive operations.
840
841 2005-03-31  Ian Lance Taylor  <ian@airs.com>
842
843         * collect2.c (lderrout): New variable.
844         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
845         if it is set, to stderr.
846         (handler): Unlink lderrout if it is set.
847         (dump_file): Add "to" parameter.  Change all callers.
848         (main): Initialize lderrout.
849         (collect_execute): Add errname parameter.  Change all callers.
850         Rename redir parameter to outname.  Never pass
851         PEX_STDERR_TO_STDOUT to pex_run.
852         * collect2.h (collect_execute, dump_file): Update declarations.
853         * tlink.c (tlink_execute): Add errname parameter.  Change all
854         callers.
855         (do_tlink): Check lderrout as well as ldout.
856
857 2005-03-31  Caroline Tice  <ctice@apple.com>
858
859         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
860         (bb-reorder.o): Add errors.h to list of requirements.
861         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
862         profiledbootstrap flags.
863         * bb-reorder.c (errors.h): Add new include.
864         (struct bbro_basic_block_data_def): Add new field, in_trace.
865         (add_unlikely_executed_notes):  Remove function.
866         (mark_bb_for_unlikely_executed_section): Remove function.
867         (insert_section_boundary_note): New function.
868         (verify_hot_cold_block_grouping): New function.
869         (push_to_next_round_p): Remove variables and tests that push all
870         cold blocks to last round.
871         (find_traces): Remove code that added extra round of trace finding
872         when doing partitioning.
873         (find_traces_1_round) :  Remove variable last_round;  add code to 
874         update new struct field, in_trace; correct trace_length where it was 
875         incorrect before (after call to copy_bb); change code that pushed all 
876         cold blocks to last round. Instead verify that all blocks going into 
877         a trace belong in the same partition.
878         (connect_traces): Modify to connect the traces in two passes, if the
879         function contains both hot and cold blocks.  The first pass connects 
880         all the traces for blocks in the partition that the first block in 
881         the function belongs to; the second pass connnects all the traces 
882         containing blocks that belong in the other partition.
883         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
884         code that automatically put the first block in a function into the
885         hot partition if the function had any hot blocks.
886         (fix_crossing_unconditional_branches): Check number of succ edges 
887         before attempting to get one.
888         (fix_edges_for_rarely_executed_code):  Update comment describing
889         function.
890         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
891         remove call to add_unlikely_executed_notes; add call to 
892         verify_hot_cold_block_grouping.
893         (duplicate_computed_gotos): Don't change computed goto if it's a 
894         crossing edge.
895         (partition_hot_cold_basic_blocks):  Update function comment.
896         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
897         condition.
898         (try_forward_edges): Likewise.
899         (merge_blocks_move_predecessor_nojumps): Likewise.
900         (merge_blocks_move_successor_nojumps): Likewise.
901         (merge_blocks_move): Likewise.
902         (try_crossjump_bb): Likewise.
903         * cfglayout.c (update_unlikely_executed_notes): Remove function.
904         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
905         notes to cold bb's; remove call to update_unlikely_executed_notes.
906         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
907         NOTE_INSN_SWITCH_TEXT_SECTIONS.
908         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
909         function declaration.
910         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
911         from consideration.
912         (rtl_can_merge_blocks): Remove redundancy from condition.
913         (try_redirect_by_replacing_jump): Likewise.
914         (force_nonfallthru_and_redirect): Remove code for adding
915         UNLIKELY_EXECUTED_CODE notes to cold bb's.
916         (commit_one_edge_insertion): Likewise.
917         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
918         * dbxout.c (FORCE_TEXT): Replace function_section with 
919         current_function_section.
920         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
921         function, switch_text_section.
922         (struct xcoff_debug): Likewise.
923         (dbxout_function_end): Add code to put out label diffs for both
924         hot and cold sections.
925         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
926         for new debug_hooks funciton, switch_text_section..
927         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
928         switch_text_section.
929         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
930         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
931         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
932         dw_fde_switched_sections.
933         (output_call_frame_info):  Add test to see if function switches text
934         sections in the middle; if so, use appropriate extra hot and cold 
935         section labels to compute size deltas for the hot and cold sections.
936         (dwarf2out_begin_prologue): Add code to initialize new fields in 
937         dw_fde_struct.
938         (dwarf2out_switch_text_section): New function (invoked through 
939         debug_hook); updates new fields in dw_fde_struct appropriately and
940         increments separate_line_info_table_in_use.
941         (dwarf2_debug_hooks): Initialize switch_text_section function to be
942         dwarf2out_switch_text_section.
943         (struct var_loc_node): Add new field, section_label.
944         (output_aranges): Add code to check whether in hot or cold section and
945         use the appropriate label in calculating deltas.
946         (output_ranges): Likewise.
947         (output_line_info): Add code to check which section we're in and
948         use appropriate hot/cold label.
949         (add_location_or_constant_value_attribute): Likewise.
950         (gen_subprogam_die): Modify arange attributes to use correct labels.
951         (dwarf2out_begin_block): Change call to function_section into call to
952         current_function_section.
953         (dwarf2out_end_block): Likewise.
954         (dwarf2out_source_line): Likewise.
955         (dwarf2out_var_location): Add code to check whether in hot or cold 
956         section and use the appropriate label.
957         * except.c (output_function_exception_table): Change call to 
958         function_section into call to current_function_section.
959         * final.c (profile_function): Likewise.
960         (scan_ahead_for_unlikely_executed_note): Remove function.
961         (final_scan_insn):  Remove calls to 
962         scan_ahead_for_unlikely_executed_note, and related code for switching 
963         to cold section, except for the single time 
964         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
965         debug_hooks->switch_text_sections; replace appropriate calls to 
966         function_section with calls to current_function_section.
967         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
968         test_bb to condition.
969         (find_if_case_2): Likewise.
970         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
971         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
972         * opts.c (decode_options): Change warning about hot/cold partitioning
973         with exceptionss to inform (so as not to cause bootstrap failures);
974         remove warning about partitioning with DWARF debug info.
975         * output.h (current_function_section): Add new function decl.
976         (insert_section_boundary_note): Likewise.
977         (enum in_section): Move this declaration here from varasm.c.
978         (unlikely_section_label): Likewise.
979         (unlikely_text_section_name): Likewise.
980         (last_text_section_name): New global variable.
981         (last_text_section): Likewise.
982         (hot_section_label): Likewise.
983         (hot_section_end_label): Likewise.
984         (cold_section_end_label): Likewise.
985         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
986         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
987         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
988         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
989         insn from consideration.
990         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
991         switch_text_section.
992         * varasm.c (basic-block.h): Add new include.
993         (unlikely_section_label_printed): Remove global variable.
994         (unlikely_section_label): Make global variable not be static any more.
995         (unlikely_text_section_name): Likewise.
996         (hot_section_end_label): New global variable (not static)
997         (first_function_block_is_cold): Likewise.
998         (hot_section_label): Likewise.
999         (cold_section_end_label): Likewise..
1000         (last_text_section): New global variable, not static.
1001         (last_text_section_name): New global variable, not static.
1002         (initialize_cold_section_name): New function.
1003         (enum in_section): Move declaration to output.h.
1004         (text_section): Update last_text_section.
1005         (unlikely_text_section): Replace code to determine cold section name 
1006         with call to initialize_cold_section_name; Add code to update 
1007         last_text_section; remove code for printing out label.
1008         (named_section_real): Add code to update last_text_section and 
1009         last_text_section_name as appropriate.
1010         (function_section): Change test for 'unlikely' to depend on
1011         first_function_block_is_cold (moved old test to 
1012         current_function_section).
1013         (current_function_section): New function.
1014         (assemble_start_function): Move code that frees 
1015         unlikely_text_section_name; initialize hot_section_end_label; 
1016         print hot and cold section labels at the start of the function; 
1017         set first_function_block_is_cold, if appropriate; initialize l
1018         ast_text_section; add call to insert_section_boundary_note.
1019         (assemble_end_function):  Add code to write out hot and cold section
1020         end labels.
1021         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1022         switch_text_section.
1023         * config/darwin.c (machopic_select_section): Replace incorrect 
1024         function in base_funs; update reloc for cold sections if necessary.
1025         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1026         last_text_section if appropriate.
1027         (text_unlikely_section): Remove.
1028         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1029         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1030         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1031         partitioning for this architecture.
1032
1033 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1034
1035         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1036         defined and non-zero.
1037
1038 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1039
1040         PR c++/18644
1041         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1042         semantics. 
1043
1044 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1045
1046         PR target/20611
1047         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1048         label operand.  Remove (use (unspec..)).  Don't emit a label on
1049         the offset word.
1050         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1051         generate inline label for load_toc_v4_PIC_1b.
1052         (rs6000_emit_load_toc_table): Likewise.
1053
1054 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1055
1056         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1057         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1058
1059 2005-03-29  Devang Patel  <dpatel@apple.com>
1060
1061         * tree-sra.c (decide_block_copy): Disable scalarization of
1062         sub-elements.
1063         
1064 2005-03-30  Stuart Hastings  <stuart@apple.com>
1065             Dale Johannesen  <dalej@apple.com>
1066
1067         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1068         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1069
1070 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1071
1072         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1073         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1074         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1075         is given with "powerpc64*" or "all", or when --with-cpu chooses
1076         a 64-bit cpu.
1077
1078 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1079
1080         PR debug/20268
1081         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1082         gen_lexical_block_die.
1083         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1084
1085 2005-03-31  Jan Hubicka  <jh@suse.cz>
1086
1087         2004-11-02  Jan Hubicka  <jh@suse.cz>
1088
1089         * cgraph.c (cgraph_varpool_node_name): New function.
1090         (dump_cgraph_varpool_node): New function.
1091         (dump_varpool): New function.
1092         * cgraphunit.c (cgraph_optimize): Dump varpool.
1093
1094         2004-10-16  Jan Hubicka  <jh@suse.cz>
1095
1096         * cgraph.c (decide_is_variable_needed): New function.
1097         (cgraph_varpool_finalize_decl): Use it.
1098         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1099         unit-at-a-time.
1100         * final.c (output_addr_const): Do not call mark_referenced.
1101         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1102         always go via cgraph.
1103         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1104         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1105         * tree-optimize.c (execute_inline): Mark functions called.
1106         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1107
1108         2004-10-11  Jan Hubicka  <jh@suse.cz>
1109
1110         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1111         (cgraph_varpool_last_needed_node): New static variable.
1112         (enqueue_needed_varpool_node): Break out from ...; add items to the
1113         end of queue; update first pointers.
1114         (cgraph_varpool_mark_needed_node): ... here.
1115         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1116         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1117         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1118         (cgraph_varpool_first_unanalyzed_node): Declare.
1119         * cgraphunit.c: Include output.h.
1120         (cgraph_varpool_analyze_pending_decls): New function.
1121         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1122         for errors, analyze pending decls.
1123         (cgraph_finalize_compilation_unit): Only analyze decls.
1124         (cgraph_optimize): Assemble the decls after expanding.
1125
1126 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1127
1128         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1129         subvars get marked properly in tags for grouping.
1130         (add_pointed_to_var): Mark only actual pointed to
1131         variables/subvars in addresses needed.
1132         (create_overlap_variables_for): Clear call clobbered on original
1133         variable.
1134         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1135         addresable vars with subvars into list.
1136         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1137         subvar should be.
1138
1139 2005-03-30  Richard Henderson  <rth@redhat.com>
1140
1141         * cgraph.h (struct cgraph_node): Add alias.
1142         * varasm.c (assemble_alias): Set it.
1143         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1144         avoid calling cgraph_expand_function.
1145
1146 2005-03-30  Tom Tromey  <tromey@redhat.com>
1147
1148         * tree.def (FILE_TYPE): Removed.
1149         * typeclass.h (enum type_class): Removed file_type_class.
1150         * dwarf2out.c (is_base_type): Updated.
1151         (gen_type_die): Likewise.
1152         * dbxout.c (dbxout_type): Updated.
1153         * builtins.c (type_to_class): Updated.
1154         * tree.c (type_contains_placeholder_1): Updated.
1155         * config/sparc/sparc.c (sparc_type_code): Updated.
1156         * config/ia64/ia64.c (hfa_element_mode): Updated.
1157         * expr.c (count_type_elements): Updated.
1158         * stor-layout.c (layout_type): Updated.
1159         * tree-inline.c (remap_type): Updated.
1160         * tree-pretty-print.c (dump_generic_node): Updated.
1161
1162 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1163
1164         * builtins.c (expand_builtin_powi): Fix mode of
1165         2nd argument to match int.
1166         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1167         2nd argument type to int.
1168         * libgcc2.c: Change prototype of __powi* functions to use
1169         int.
1170
1171 2005-03-30  Dale Johannesen  <dalej@apple.com>
1172
1173         PR middle-end/19225
1174         * calls.c (expand_call):  Flush pending deferrals before
1175         throwing call.
1176
1177 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1178
1179         PR c/772
1180         PR c/17913
1181         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1182         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1183         c_label_context, label_context_stack): New.
1184         * c-decl.c (define_label): Check for jumps into statement
1185         expressions.  Add label to list of defined labels.
1186         (start_function): Push context on label_context_stack.
1187         (finish_function): Pop context from label_context_stack.
1188         * c-typeck.c (label_context_stack): New.
1189         (c_finish_goto_label): Check for jumps into statement
1190         expressions.  Add label to list of jumped to labels.
1191         (struct c_switch): Add blocked_stmt_expr.
1192         (c_start_case): Initialize it.
1193         (do_case): Check it.
1194         (c_finish_case): Verify !blocked_stmt_expr.
1195         (c_begin_stmt_expr):  Push context on label_context_stack.
1196         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1197         as undefinable.
1198         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1199         defined in the statement expression and no longer jumpable to.
1200         Mark labels jumped to from just outside the statement expression
1201         as again definable.  Pop context from label_context_stack.
1202         * doc/extend.texi (Statement Exprs): Update.
1203
1204 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1205
1206         PR c/20368
1207         * c-decl.c (start_function): Check for old_decl being
1208         error_mark_node.
1209
1210 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1211
1212         * final.c (final): Remove prescan parameter.  Change all callers.
1213         (final_scan_insn): Remove prescan parameter.  Change all callers.
1214
1215 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1216
1217         * tree-vectorizer.c: Fix comment typos.
1218
1219 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1220
1221         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1222         as soon as a chrec_dont_know is detected.
1223
1224 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1225
1226         Merge from csl-arm-branch.
1227         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1228
1229         * tlink.c (recompile_files): Do not assume that "rename" can
1230         overwrite an existing file.
1231
1232 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1233
1234         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1235         * gcc/configure: Regenerate.
1236
1237 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1238
1239         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1240
1241         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1242
1243         * calls.c (struct arg_data): Update "partial" comment.
1244         (load_register_parameters): Update "nregs" comment.
1245
1246 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1247
1248         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1249         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1250         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1251         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1252         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1253         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1254         than target_flags & 0.
1255         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1256         (iq2000_arch, iq2000_parse_cpu): Delete.
1257         (TARGET_HANDLE_OPTION): Override default.
1258         (iq2000_handle_option): New function.
1259         (override_options): Remove -march= and -mcpu= handling.
1260         * config/iq2000/iq2000.opt: New file.
1261
1262 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1263
1264         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1265         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1266         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1267         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1268         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1269         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1270         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1271         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1272         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1273         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1274         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1275         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1276         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1277         (TARGET_OPTIONS): Delete.
1278         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1279         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1280         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1281         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1282         (c4x_cpu_version_string): Delete.
1283         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1284         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1285         equivalent -mcpu= option.
1286         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1287         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1288         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1289         or clearing the appropriate MASK_* bit.
1290         (c4x_file_start): Use c4x_cpu_version.
1291         * config/c4x/c4x.opt: New file.
1292
1293 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1294
1295         * doc/options.texi: Document the new MaskExists flag.
1296         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1297         if the option has the MaskExists flag.
1298
1299 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1300
1301         * opt-functions.awk (flag_set_p, test_flag): New functions.
1302         (switch_flags): Use them.
1303         * opth-gen.awk: Use flag_set_p to check for flags.
1304         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1305
1306 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1307
1308         * config.host (i[34567]86-*-mingw32*): Don't set
1309         host_can_use_collect2 to no.
1310
1311 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1312
1313         PR target/20203
1314         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1315         Remove convert_memory_address call duplicating that in memory_address.
1316
1317 2005-03-29  Richard Henderson  <rth@redhat.com>
1318
1319         PR c/20519
1320         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1321         (build_compound_literal): Likewise.  Propagate decl type into the
1322         initializer.
1323         (finish_decl): Likewise.  Use new return value from complete_array_type
1324         for zero sized arrays.
1325         (complete_array_type): Move ...
1326         * c-common.c (complete_array_type): ... here.  Change first argument
1327         to pointer-to-type-node.  Consistently use sizetype for the index
1328         except for zero sized arrays.  Detect zero sized arrays for pedantic
1329         mode diagnostics.  Create a new type node instead of modifying the
1330         old node in place.
1331         * c-tree.h (complete_array_type): Move decl ...
1332         * c-common.h (complete_array_type): ... here.
1333
1334 2005-03-29  Richard Henderson  <rth@redhat.com>
1335
1336         PR tree-opt/19108
1337         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1338
1339 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1340
1341         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1342         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1343         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1344         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1345
1346 2005-03-29  Eric Christopher  <echristo@redhat.com>
1347
1348         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1349         truthvalue conversion removal.
1350
1351 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1352
1353         PR bootstrap/14316
1354         * collect2.c: Never include <vfork.h>.
1355         (VFORK_STRING, vfork): Don't define.
1356         (pid): Remove global variable.
1357         (handler): Call raise instead of kill (getpid(), ...).
1358         (collect_wait): Add pex parameter.  Change all callers.  Use
1359         pex_get_status rather than pwait.
1360         (do_wait): Add pex parameter.  Change all callers.
1361         (collect_execute): Return struct pex_obj * rather than void.  Use
1362         pex routines rather than pexecute.
1363         (fork_execute): Get pex_obj from collect_execute, and pass it to
1364         do_wait.
1365         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1366         Only declare quit_handler if SIGQUIT is defined.
1367         (scan_libraries): Likewise.
1368         * collect2.h (collect_execute): Update declaration.
1369         (collect_wait): Update declaration.
1370         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
1371         pass it to collect_wait.
1372
1373 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
1374
1375         PR c/20672
1376         * c-parser.c (c_parser_compound_statement_nostart): Give error
1377         message for EOF instead of just setting parser->error.
1378
1379 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
1380
1381         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
1382         (slpeel_update_phi_nodes_for_guard1): New function.
1383         (slpeel_update_phi_nodes_for_guard2): New function.
1384         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
1385         of slpeel_update_phi_nodes_for_guard.
1386         (vectorize_loops): Remove call to loop_closed_rewrite.
1387         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
1388         assertion.
1389
1390 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
1391
1392         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
1393         (TARGET_LITTLE_ENDIAN): New macro.
1394         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
1395         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
1396         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
1397         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
1398         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
1399         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
1400         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
1401         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
1402         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
1403         (TARGET_OPTIONS): Delete.
1404         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
1405         (CACHE_FLUSH_TRAP): Turn into an integer.
1406         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
1407         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
1408         -mflush-trap is in use.
1409         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
1410         (m32r_cache_flush_trap_string): Delete.
1411         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
1412         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
1413         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
1414         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1415         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
1416         -mmodel= and -msdata= handling from...
1417         (m32r_init): ...here.
1418         * config/m32r/m32r.opt: New file.
1419
1420 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
1421
1422         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
1423         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
1424         * tree-vect-analyze.c (vect_object_analysis): additional parm
1425         pass back a "struct ptr_info_def *" with the points-to info.
1426         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
1427         statement using info returned from vect_object_analysis.
1428         * tree-vect-transform.c (update_vuses_to_preheader): New function.
1429         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
1430         for virtual uses and defs when creating a replacement vector
1431         reference.  Call duplicate_ssa_name_ptr_info to define points-to
1432         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
1433         (vectorizable_store): copy_virtual_operands and update
1434         definition statements.
1435         (vectorizable_load): copy_virtual_operands.  Remove call to
1436         mark_call_clobbered_vars_to_rename for call to "const" builtin.
1437         * tree-vectorizer.c (vectorize_loops): Remove calls to
1438         rewrite_into_ssa and bitmap_clear (vars_to_rename).
1439         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
1440         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
1441         define macro STMT_VINFO_PTR_INFO for use in accessing.
1442         * tree.h add export of duplicate_ssa_name_ptr_info.
1443         * rs6000.c (altivec_init_builtins): Declare builtin function
1444         __builtin_altivec_mask_for_load to be "const".
1445
1446 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
1447
1448         PR middle-end/20622
1449         * cgraph.h (struct cgraph_varpool_node): Add alias field.
1450         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
1451         assemble_variable on aliases.
1452         * varasm.c (assemble_alias): Set node->alias.
1453         * toplev.c (wrapup_global_declarations): Don't call
1454         rest_of_decl_compilation on aliases again.
1455
1456 2005-03-29  Paul Brook  <paul@codesourcery.com>
1457
1458         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
1459         * config/arm/arm.c (arm_dbx_register_number): New function.
1460         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
1461
1462 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
1463
1464         PR middle-end/20263
1465         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
1466         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
1467
1468 2005-03-29  Dale Johannesen <dalej@apple.com>
1469
1470         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
1471         $(TREE_H) and $(COVERAGE_H).
1472         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
1473         * opts.c (common_handle_option): Enable tree-based value transforms.
1474         * toplev.c (process_options): Ditto.
1475         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
1476         refers to references to this type.
1477         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
1478         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
1479         for may_be_more, may_be_less.
1480         (rtl_gen_pow2_profiler): Adjust.
1481         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
1482         (rtl_gen_one_value_profiler): Adjust.
1483         (rtl_gen_const_delta_profiler): Adjust.
1484         * tree-profile.c (tree_gen_interval_profiler): Implement.
1485         (tree_gen_pow2_profiler): Ditto.
1486         (tree_gen_one_value_profiler): Ditto.
1487         (tree_profiling): New.
1488         (pass_tree_profile): Reference it.
1489         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
1490         tree.h, gcov-io.h.
1491         (insn_divmod_values_to_profile): Rename to
1492         rtl_divmod_values_to_profile. Adjust.
1493         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
1494         (insn_prefetch_values_to_profile): Adjust.
1495         (rtl_value_profile_transformations): Adjust.
1496         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
1497         (gen_mod_pow2): Rename to rtl_mod_pow2.
1498         (gen_mod_subtract): Rename to rtl_mod_subtract.
1499         (divmod_fixed_value_transform): Rename to
1500         rtl_divmod_fixed_value_transform.
1501         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
1502         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
1503         (rtl_find_values_to_profile): Adjust.
1504         (tree_value_profile_transformations): Implement.
1505         (tree_divmod_values_to_profile): New.
1506         (tree_values_to_profile): New.
1507         (tree_divmod_fixed_value): New.
1508         (tree_mod_pow2): New.
1509         (tree_mod_subtract): New.
1510         (tree_divmod_fixed_value_transform): New.
1511         (tree_mod_pow2_value_transform): New.
1512         (tree_mod_subtract_transform): New.
1513         (tree_find_values_to_profile): Implement.
1514         * profile.c (instrument_values):  Free histograms.
1515         (compute_value_histograms): Adjust. Implement tree version.
1516
1517 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
1518
1519         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
1520         * config/i386/i386.c (output_fix_trunc): Add new round_mode
1521         variable.  Output "fldcw" depending on round_mode.
1522         * config/i386/i386.md (UNSPEC_FIST): New.
1523         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
1524         New isns patterns to implement lrint and llrint built-ins as x87
1525         intrinsic function.
1526         (fistdi2, fist<mode>2 splitters): New splitters.
1527         (lrint<mode>2): New expanders.
1528
1529 2005-03-28  Ian Lance Taylor  <ian@airs.com>
1530
1531         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
1532         0 when calling final_scan_insn.
1533
1534 2005-03-28  Jan Hubicka  <jh@suse.cz>
1535
1536         PR middle-end/20635
1537         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
1538         as needed.
1539
1540         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
1541         types where possible.
1542
1543 2005-03-26  Per Bothner  <per@bothner.com>
1544
1545         Make -f[no-]show-column also control non-cpp diagnostics.
1546         * c.opt (fshow-column): Move option from here ...
1547         * common.opt (fshow-column): ... to here.
1548         * diagnostic.c (diagnostic_build_prefix): Only print column number
1549         if flag_show_column.
1550
1551 2005-03-27  Steven Bosscher  <stevenb@suse.de>
1552
1553         * vax-protos.h (vax_output_int_move, vax_output_int_add,
1554         vax_output_conditional_branch): New prototypes.
1555         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
1556         extracted from vax.md mov and add patterns.
1557         (vax_output_conditional_branch): New function to output conditional
1558         branch instructions.
1559         * vax.md: Use mode macros for arithmetic and mov patterns.
1560         Use code macros for the jump patterns.
1561
1562 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1563
1564         * Makefile.in (libbackend.o): Depend on version files;
1565         add custom generation command.
1566
1567 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1568
1569         PR target/20636
1570         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
1571         sure that we have a REG before getting its REGNO.
1572
1573 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1574
1575         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
1576         * builtins.def (BUILT_IN_STRNDUP): New.
1577
1578 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
1579
1580         PR tree-optimization/20470
1581         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
1582         ABS(x-y).
1583
1584 2005-03-25  Mike Stump  <mrs@apple.com>
1585
1586         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
1587         sized objects.
1588
1589 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
1590
1591         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
1592         Use our own structure definitions.
1593
1594         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
1595         (fix_truncdfsi2): Allow registers or memory as destination.
1596         When TARGET_PPC_GFXOPT, generate simplified pattern.
1597         (fix_truncdfsi2_internal): Use define_insn_and_split.
1598         (fix_truncdfsi2_internal_gfxopt): New.
1599         (fctiwz): Don't confuse register allocation by giving it no choices.
1600         (stfiwx): New.
1601         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
1602         (EXTRA_MEMORY_CONSTRAINT): Likewise.
1603         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
1604         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
1605
1606 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1607
1608         * dominance.c (free_dominance_info): Speed up by freeing et
1609         data structures without maintaining other nodes.
1610         * et-forest.c (et_free_tree_force): New.
1611         * et-forest.h: Add a prototype for et_free_tree_force.
1612
1613         * tree.c (get_set_constructor_bits,
1614         get_set_constructor_bytes): Remove.
1615         * tree.h: Remove the corresponding prototypes.
1616
1617 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1618
1619         PR target/15491
1620         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
1621         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
1622         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
1623         PRE_DEC, NEG and NOT.
1624
1625 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1626
1627         * fold-const.c: Convert uses of fold (build (...)) to
1628         fold_buildN.
1629
1630 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
1631
1632         PR rtl-optimization/20249
1633         * cse.c (insert_regs): Do not record equivalence of registers in
1634         different modes.
1635
1636 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
1637
1638         * emit-rtl.c (reverse_comparison): Remove.
1639         * rtl.h: Remove the corresponding prototype.
1640
1641 2005-03-24  James E Wilson  <wilson@specifixinc.com>
1642
1643         * doc/install.texi (--enable-altivec): Delete docs.
1644
1645 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
1646
1647         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
1648         SFmode and DFmode before reload when
1649         flag_unsafe_math_optimizations not enabled.
1650
1651 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
1652
1653         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
1654
1655         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
1656         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
1657
1658 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1659
1660         * configure.ac (enable-checking): Add 'runtime' option.
1661         * doc/install.texi (enable-checking): Document 'runtime' checking.
1662         * tsystem.h (gcc_assert, gcc_unreachable): Define.
1663         * config.in: Regenerated.
1664         * configure: Regenerated.
1665
1666 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
1667
1668         * optabs.h (enum optab_index): Remove OTI_llrint.
1669         (llrint_optab): Remove macro.
1670         * optabs.c (init_optabs): Remove llrint_optab initialization.
1671         * genopinit.c (optabs): Remove llrint_optab implementation.
1672         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
1673         using lrint_optab.
1674
1675 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
1676
1677         PR rtl-optimization/20532
1678         * simplify-rtx.c (simplify_binary_operation_1): Protect from
1679         overflow when adding coefficients for PLUS or MINUS.
1680         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
1681         two as multiplier.
1682
1683 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1684
1685         * langhooks.h (truthvalue_conversion): Remove.
1686         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1687         LANG_HOOKS_TRUTHVALUE_CONVERSION.
1688         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
1689         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
1690         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
1691
1692 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
1693
1694         * params.def: Fix a typo.
1695         * config/mips/mips.c: Follow the spelling convensions.
1696         * doc/invoke.texi: Fix typos.
1697
1698 2005-03-18  Dale Johannese  <dalej@apple.com>
1699
1700         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
1701
1702 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
1703
1704         Fix PR tree-optimization/20601
1705
1706         * tree-ssa-pre.c (insert_aux): Add missing condition to
1707         constification.
1708
1709 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1710
1711         * final.c (final_scan_insn): Don't remove no-op instructions.
1712         * reload1.c (reload): Remove simple no-op instructions even when
1713         not optimizing.
1714
1715 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
1716
1717         PR tree-optimization/20501
1718         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
1719         reporting that peeling for alignment is applied moved to...
1720         * (vect_analyze_data_refs_alignment): Here.
1721
1722 2005-03-23  Ian Lance Taylor  <ian@airs.com>
1723
1724         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
1725
1726 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1727
1728         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
1729         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
1730
1731 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
1732
1733         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
1734         imply that this is called once, independent of asms in code.
1735         Adjust to now being pased output and input lists.  Mention helper
1736         function decl_overlaps_hard_reg_set_p.
1737         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
1738         hook_tree_tree_identity and to take three trees, returning third.
1739         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
1740         prototype.
1741         * stmt.c: include hard-reg-set.h before tree.h.
1742         (decl_overlaps_hard_reg_set_p): New function, broken out from...
1743         (decl_conflicts_with_clobbers_p): Call
1744         decl_overlaps_hard_reg_set_p.
1745         (expand_asm_operands): Pass output and input lists in call to
1746         targetm.md_asm_clobbers.
1747         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
1748         hook_tree_tree_tree_tree_3rd_identity.
1749         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
1750         parameters.
1751         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
1752         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
1753         parameters, first two unused.
1754         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
1755         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
1756         in constraint letters and MOF is not mentioned as a asm-declared
1757         register in neither of the input and output lists.
1758
1759 2005-03-23  DJ Delorie  <dj@redhat.com>
1760
1761         * optabs.c (expand_binop): Make sure the first subword's result
1762         gets stored.
1763
1764 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1765
1766         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
1767         Call c_common_truthvalue_conversion rather than
1768         lang_hooks.truthvalue_conversion.
1769         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
1770         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
1771         c-typeck.c.
1772         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
1773         c_common_truthvalue_conversion.
1774         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
1775         c_parser_conditional_expression, c_parser_binary_expression): Call
1776         c_objc_common_truthvalue_conversion.
1777         * c-typeck.c (build_unary_op): Call
1778         c_objc_common_truthvalue_conversion.
1779         (build_conditional_expr): Do not call
1780         lang_hooks.truthvalue_conversion.
1781         (build_binary_op): Call c_common_truthvalue_conversion.
1782         (c_objc_common_truthvalue_conversion): Moved from
1783         c-objc-common.c.  Call default_function_array_conversion instead
1784         of default_conversion.
1785
1786 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1787
1788         * c-common.h (default_conversion): Remove.
1789         (perform_integral_promotions): Add.
1790         * c-tree.h (default_conversion): Add.
1791         * c-typeck.c (perform_integral_promotions): New, split out from
1792         default_conversion.
1793         * c-common.c (check_case_value): Use perform_integral_promotions,
1794         not default_conversion.
1795         (c_add_case_label): Don't continue processing case label after
1796         found to be pointer.
1797
1798 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
1799
1800         * gcc.c (do_spec_1): Do not add a -L path for a directory in
1801         the prefix list if we have already added a multilib directory
1802         based on that path.
1803         (main): Do not add MD_EXEC_PREFIX to the list of directories to
1804         search with -L.
1805
1806 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1807
1808         * reload1.c (indirect_symref_ok, reload_obstack): Make them
1809         static.
1810         * reload.h: Remove the prototype for indirect_symref_ok.
1811
1812         * reload1.c (indirect_symref_ok): Make it global.
1813         * reload.h: Add a prototype for indirect_symref_ok.
1814
1815 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1816
1817         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
1818         ashlhi3 expander.
1819
1820 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1821
1822         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
1823
1824 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
1825
1826         * c-opts.c (c_common_parse_file): Only start/end main source file
1827         if debug hooks says the writer wants it.
1828         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
1829         member.
1830         (xcoff_debug_hooks): Ditto.
1831         * debug.c (do_nothing_hooks): Ditto.
1832         * debug.h (gcc_debug_hooks): Ditto.
1833         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
1834         * sdbout.c (sdb_debug_hooks): Ditto.
1835         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
1836
1837 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
1838
1839         * doc/extend.texi: Deprecate C++ min/max operators.
1840
1841 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
1842
1843         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
1844         artificial original candidates.
1845
1846 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
1847             Jan Hubicka  <jh@suse.cz>
1848             Steven Bosscher <stevenb@suse.de>
1849
1850         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
1851         call cost based on argument sizes.
1852         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
1853         inlining.
1854         * params.def: (max-inline-inssn-single): Set to 450.
1855         (max-inline-insns-auto): Set to 90.
1856         (max-inline-insns-recursive): Set to 450
1857         (max-inline-insns-recursive-auto): Set to 450.
1858         (large-function-insns): Set to 2700.
1859         (inline-call-cost): New parameter.
1860         * tree-inline.c (estimate_move_cost): New function.
1861         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
1862         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
1863         based on arguments.
1864         * tree-inline.h (estimate_move_cost): Declare.
1865         * invoke.texi: (max-inline-inssn-single): Change default to 450.
1866         (max-inline-insns-auto): Change default to 90.
1867         (max-inline-insns-recursive): Change default to 450
1868         (max-inline-insns-recursive-auto): Change default to 450.
1869         (large-function-insns): Change default to 2700.
1870         (inline-call-cost): Document new parameter.
1871
1872 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1873
1874         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
1875         (TARGET_DEFAULT): Delete.
1876         * config/i860/i860.opt: New file.
1877
1878 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
1879
1880         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
1881         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1882         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1883         (frv_sched_lookahead): Delete.
1884         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
1885         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
1886         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
1887         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
1888         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
1889         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
1890         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
1891         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
1892         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
1893         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
1894         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
1895         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
1896         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
1897         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
1898         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
1899         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
1900         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
1901         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
1902         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
1903         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
1904         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
1905         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
1906         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
1907         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
1908         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
1909         (frv_sched_lookahead): Delete.
1910         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
1911         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1912         (frv_handle_option): New function.  Move -mcpu= handling from...
1913         (frv_override_options): ...here.  Remove handling of other
1914         TARGET_OPTIONS.
1915         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
1916         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
1917         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
1918         and TARGET_NO_MULTI_CE.
1919         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
1920         !TARGET_VLIW_BRANCH.
1921         * config/frv/frv.opt: New file.
1922
1923 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1924
1925         * fold-const.c (fold_ternary): Take decomposed arguments of
1926         CALL_EXPR.
1927         (fold): Update a call to fold_ternary.
1928
1929         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
1930         * tree.h: Add corresponding prototypes.
1931
1932 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR target/20561
1935         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
1936         between jump table and its label.
1937         * final.c (shorten_branches): Handle notes in between ADDR_VEC
1938         resp. ADDR_DIFF_VEC and the label preceeding it.
1939         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
1940         is emitted in the right section.
1941
1942 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
1943
1944         * fold-const.c (fold_unary, fold_binary): Update comments
1945         about arguments.
1946
1947 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
1948
1949         PR rtl-optimization/20527
1950         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
1951         REG_INC note, test that the register also isn't mentioned in PRED
1952         or SUCC.
1953
1954 2005-03-22  Ben Elliston  <bje@au.ibm.com>
1955
1956         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
1957         and definition.
1958
1959 2005-03-21  Mike Stump  <mrs@apple.com>
1960
1961         * varasm.c (default_assemble_visibility): Remove extra ().
1962
1963 2005-03-21  Roger Sayle  <roger@eyesopen.com>
1964
1965         PR middle-end/20557
1966         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
1967         to determine whether a block can be duplicated, rather than test
1968         whether the block contains noncopyable insns ourselves.
1969
1970 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
1971
1972         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
1973         predicates.
1974
1975 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1976
1977         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
1978
1979 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
1980
1981         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
1982         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
1983         * config/fr30/fr30.opt: New file.
1984
1985 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
1986
1987         Fix PR tree-optimization/20542
1988
1989         * tree-flow-inline.h (overlap_subvar): Move to here.
1990         * tree-ssa-operands.c: From here.
1991         * tree-flow.h (overlap_subvar): Declare.
1992         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
1993         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
1994         for variables with subvars.
1995
1996 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
1997
1998         PR middle-end/20177
1999         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2000         * modulo-sched.c (const_iteration_count): Return on NULL
2001         pre-header.
2002         (print_node_sched_params): Return on NULL dump_file.
2003         (generate_reg_moves): Handle reg-anti dependencies and disregard
2004         closing branch when generating register moves.
2005         (sms_schedule): Mark the SMSed block dirty.
2006         * passes.c (rest_of_handle_sms): Call update_life_info for all
2007         basic-blocks.
2008         * testsuite/gcc.dg/20050321-1.c: New test.
2009
2010 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2011
2012         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2013         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2014         movqi_internal): Likewise.
2015
2016 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2017
2018         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2019         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2020         xtensa_b4const): Delete prototypes.
2021         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2022         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2023         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2024         xtensa_extra_constraint): New prototypes.
2025         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2026         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2027         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2028         move_operand, const_float_1_operand, fpmem_offset_operand,
2029         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2030         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2031         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2032         argument type to HOST_WIDE_INT.
2033         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2034         xtensa_mask_immediate): Likewise.
2035         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2036         Likewise.  Also make these functions static.
2037         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2038         (xtensa_const_ok_for_letter_p): New.
2039         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2040         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2041         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2042         move_operand, const_float_1_operand, fpmem_offset_operand,
2043         branch_operator, ubranch_operator, boolean_operator): Move to
2044         predicates.md.
2045         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2046         (xtensa_mem_offset): Change return type to bool.
2047         (xtensa_extra_constraint): New.
2048         (gen_int_relational): Update type of const_range_p function pointer.
2049         Use xtensa_b4const_or_zero.
2050         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2051         xtensa_const_ok_for_letter_p.  Update comments.
2052         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2053         (PREDICATE_CODES): Delete.
2054         * config/xtensa/xtensa.md: Include predicates.md.
2055         * config/xtensa/predicates.md: New file.
2056
2057 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2058
2059         * config/v850/v850-protos.h: Remove the prototypes for
2060         reg_or_int9_operand, reg_or_const_operand,
2061         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2062         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2063         movsi_source_operand, power_of_two_operand,
2064         not_power_of_two_operand, special_symbolref_operand,
2065         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2066         register_is_ok_for_epilogue.
2067         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2068         reg_or_int9_operand, reg_or_const_operand,
2069         call_address_operand, special_symbolref_operand,
2070         movsi_source_operand, power_of_two_operand,
2071         not_power_of_two_operand, register_is_ok_for_epilogue,
2072         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2073         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2074         predicates.md.
2075         * config/v850/v850.h (PREDICATE_CODES): Remove.
2076         * config/v850/v850.md: Include predicates.md.
2077         * config/v850/predicates.md: New.
2078
2079 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2080
2081         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2082         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2083         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2084         (itoolsdir, itoolsdatadir): Move definition above new first use.
2085         (install-itoolsdirs): New rule.
2086         (install-mkheaders): Depend on install-itoolsdirs, not
2087         install-include-dir.
2088
2089 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2090
2091         * tree-into-ssa.c: Remove obsolete comments.
2092
2093 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2094
2095         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2096         unrolling if -fpeel-loops is specified, too.
2097         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2098         Remove superfluous check for flag_unroll_loops.
2099
2100 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2101
2102         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2103         (lrint_optab, llrint_optab): Define corresponding macros.
2104         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2105         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2106         pattern and llrint_optab using llrintdi2 patterns.
2107         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2108         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2109         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2110         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2111         flag_unsafe_math_optimizations is set.
2112
2113 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2114
2115         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2116         simplify_logical, if_then_else_cond, known_cond,
2117         simplify_comparison): Adjust calls to reverse_comparison.
2118         Don't use combine_reversed_comparison_code).
2119         (combine_reversed_comparison_code): Remove.
2120         (reversed_comparison): Using reversed_comparison_code, move it...
2121         * jump.c (reversed_comparison): ... here.
2122         * rtl.h (reversed_comparison): Add prototype.
2123
2124 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2125
2126         * builtins.c (fold_builtin): Take decomposed arguments of
2127         CALL_EXPR.
2128         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2129         * gimplify.c (gimplify_call_expr): Likewise.
2130         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2131         * tree.h: Update the prototype of fold_builtin.
2132
2133 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2134
2135         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2136         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2137         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2138         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2139         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2140
2141 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2142
2143         * builtins.c (fold_builtin_1): Take decomposed arguments of
2144         CALL_EXPR.
2145         (fold_builtin): Update a call to fold_builtin_1.
2146
2147 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2148
2149         PR other/20564
2150         * gcov.c (output_lines): Only output function block summary when
2151         outputting branch information.
2152         * doc/gcov.texi: Document format of preamble and additional block
2153         information lines.
2154
2155 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2156
2157         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2158         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2159         the defaults false if BITS_PER_UNIT != 8.
2160         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2161         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2162         than BITS_PER_UNIT != 8.
2163         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2164         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2165         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2166         #undefs.
2167         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2168         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2169
2170 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2171
2172         PR middle-end/20539
2173         * fold-const.c (fold_binary): Fix type mismatch between
2174         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2175         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2176         for non-truth-valued expressions.
2177
2178         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2179         and FUNCTION_DECL in the main switch.
2180         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2181         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2182         we also need to convert their operands to match.
2183         <TRUTH_NOT_EXPR>: Likewise.
2184
2185 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2186
2187         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2188         diagnostic without checking whether an lvalue.
2189         * c-common.h (lvalue_p): Remove.
2190         (enum lvalue_use): Update comment.
2191         (lvalue_or_else): Replace by lvalue_error.
2192         * c-typeck.c (lvalue_p): Make static.
2193         (lvalue_or_else): New.  Call lvalue_error.
2194
2195 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2196
2197         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2198         (function_arg_advance): Use rs6000_parm_start.
2199         (function_arg, rs6000_arg_partial_bytes): Likewise.
2200
2201 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2202
2203         * c-common.c (check_case_value): Adjust comment about stripping
2204         NOPs.
2205         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2206         * c-typeck.c (default_conversion, convert_arguments,
2207         build_modify_expr, convert_for_assignment, store_init_value,
2208         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2209         manually.  Remove inaccurate comments.
2210
2211 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2212             Joseph S. Myers  <joseph@codesourcery.com>
2213
2214         * varasm.c (do_assemble_alias): Restore comment describing function.
2215         Annotate the target parameter as potentially unused.
2216
2217 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2218
2219         PR target/18551
2220         * config/avr/avr.c (avr_output_function_prologue): Do not use
2221         current_function_name() in a label, use a local label instead.
2222
2223 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2224
2225         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2226         flag_finite_math_only, not flag_unsafe_math_optimizations.
2227
2228 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2229
2230         * builtins.c (fold_builtin_1): Update a call to
2231         targetm.fold_builtin.
2232         * hooks.c (hook_tree_tree_bool_null): Rename to
2233         hook_tree_tree_tree_bool_null.  Take one more argument of type
2234         tree.
2235         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2236         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2237         hook_tree_tree_tree_bool_null.
2238         * target.h (gcc_target): Update the prototype of fold_builtin.
2239         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2240         arguments of CALL_EXPR.
2241         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2242         new prototype.
2243
2244 2005-03-20  Jan Hubicka  <jh@suse.cz>
2245
2246         * cgraph.h (cgraph_node): Add prev_clone pointer.
2247         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2248         (cgraph_clone_node): Produce doubly linked chain.
2249
2250 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2251
2252         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2253         get_nonnull_operand, handle_sentinel_attribute,
2254         check_function_arguments_recurse): Do not strip NOPS from
2255         INTEGER_CSTs.
2256         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2257         Likewise.
2258         * c-format.c (get_constant): Likewise.
2259         * c-parser.c (c_parser_postfix_expression): Likewise.
2260         * c-typeck.c (set_init_index): Likewise.
2261         (convert_arguments): Don't check for NOP_EXPR containing integer
2262         constant.
2263
2264 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2265
2266         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2267         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2268         Take decomposed arguments of CALL_EXPR.
2269         (fold_builtin_1): Update calls to the functions mentioned
2270         above.
2271
2272 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2273
2274         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2275         width to have integer type.
2276         (build_enumerator): Require enumerator value to have integer type.
2277
2278 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2279
2280         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2281         to __builtin_inff.
2282
2283 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2284
2285         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2286         std=iso9899:199x): Correct descriptions.
2287
2288 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2289
2290         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2291         solaris2.1[0-9].
2292
2293 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2294
2295         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2296         of CALL_EXPR.
2297         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2298         fold_builtin_memcpy.
2299
2300         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2301         arguments of CALL_EXPR.
2302         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2303         fold_builtin_found, fold_builtin_1): Update calls to
2304         fold_trunc_transparent_mathfn.
2305
2306 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2307
2308         PR middle-end/20493
2309         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2310         function pointers on targets that require function pointer
2311         canonicalization.
2312         (fold_sign_changed_comparison): Likewise.
2313
2314 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2315
2316         * combine.c (try_combine): When changing the mode of a hard reg, make
2317         sure that doing so is valid.
2318
2319 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2320
2321         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2322         (TARGET_HANDLE_OPTION): Override default.
2323         (avr_handle_option): New function.
2324         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2325         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2326         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2327         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2328         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2329         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2330         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2331         (TARGET_OPTIONS): Delete.
2332         * config/avr/avr.opt: New file.
2333
2334 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2335
2336         * config/m32r/m32r-protos.h: Remove the prototypes for
2337         call_address_operand, symbolic_operand, seth_add3_operand,
2338         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2339         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2340         two_insn_const_operand, move_src_operand,
2341         move_double_src_operand, move_dest_operand,
2342         eqne_comparison_operator, signed_comparison_operator,
2343         large_insn_p, conditional_move_operand, carry_compare_operand,
2344         m32r_block_immediate_operand, extend_operand,
2345         reg_or_eq_int16_operand, int8_operand, and
2346         reg_or_zero_operand.
2347         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2348         seth_add3_operand, int8_operand, cmp_int16_operand,
2349         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2350         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2351         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2352         move_double_src_operand, move_dest_operand,
2353         eqne_comparison_operator, signed_comparison_operator,
2354         extend_operand, small_insn_p, large_insn_p,
2355         conditional_move_operand, carry_compare_operand,
2356         m32r_block_immediate_operand): Move to predicates.md.
2357         (MAX_MOVE_BYTES): Move to m32r.h.
2358         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2359         * config/m32r/m32r.md: Include predicates.md.
2360         * config/m32r/predicates.md: New.
2361
2362 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2363
2364         PR c++/19769
2365         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2366         origin.
2367
2368 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2369
2370         * config/mn10300/mn10300-protos.h: Remove the prototypes for
2371         call_address_operand, const_8bit_operand.
2372         * config/mn10300/mn10300.c (call_address_operand,
2373         const_8bit_operand, const_1f_operand): Move to predicates.md.
2374         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
2375         * config/mn10300/mn10300.md: Include predicates.md.
2376         * config/mn10300/predicates.md: New.
2377
2378 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
2379
2380         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
2381         declarations in diagnostics and %E for identifiers, not %s.
2382
2383 2005-03-18  Jan Hubicka  <jh@suse.cz>
2384             Dale Johannesen  <dalej@apple.com>
2385
2386         * basic-block.h (scale_bbs_frequencies_int,
2387         scale_bbs_frequencies_gcov_type): Declare.
2388         * cfg.c (RDIV): New macro.
2389         (update_bb_frequency_for_threading): Fix.
2390         * basic-block.h (scale_bbs_frequencies_int,
2391         scale_bbs_frequencies_gcov_type): New.
2392         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
2393         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
2394         scale_bbs_frequencies_int.
2395         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
2396
2397 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2398
2399         * config/m32r/m32r-protos.h: Remove the prototypes for
2400         call_address_operand, symbolic_operand, seth_add3_operand,
2401         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2402         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2403         two_insn_const_operand, move_src_operand,
2404         move_double_src_operand, move_dest_operand,
2405         eqne_comparison_operator, signed_comparison_operator,
2406         large_insn_p, conditional_move_operand, carry_compare_operand,
2407         m32r_block_immediate_operand, extend_operand,
2408         reg_or_eq_int16_operand, int8_operand, and
2409         reg_or_zero_operand.
2410         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2411         seth_add3_operand, int8_operand, cmp_int16_operand,
2412         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2413         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2414         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2415         move_double_src_operand, move_dest_operand,
2416         eqne_comparison_operator, signed_comparison_operator,
2417         extend_operand, small_insn_p, large_insn_p,
2418         conditional_move_operand, carry_compare_operand,
2419         m32r_block_immediate_operand): Move to predicates.md.
2420         (MAX_MOVE_BYTES): Move to m32r.h.
2421         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2422         * config/m32r/m32r.md: Include predicates.md.
2423         * config/m32r/predicates.md: New.
2424
2425         * config/pa/pa-protos.h: Add prototypes for magic_milli and
2426         shadd_constant_p.
2427         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
2428         symbolic_operand, symbolic_memory_operand,
2429         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
2430         indexed_memory_operand, move_dest_operand, move_src_operand,
2431         prefetch_cc_operand, prefetch_nocc_operand,
2432         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
2433         arith_operand, arith11_operand, pre_cint_operand,
2434         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
2435         ireg_operand, int5_operand, uint5_operand, int11_operand,
2436         uint32_operand, arith5_operand, and_operand, ior_operand,
2437         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
2438         pc_or_label_operand, div_operand, plus_xor_ior_operator,
2439         shadd_operand, movb_comparison_operator,
2440         cmpib_comparison_operator): Move to predicates.md.
2441         (magic_milli, shadd_constant_p): Make it extern.
2442         * config/pa/pa.h (PREDICATE_CODES): Remove.
2443         * config/pa/pa.md: Include predicates.md.
2444         * config/pa/predicates.md: New.
2445
2446         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
2447         predicate.
2448
2449 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2450
2451         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
2452         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2453         config/alpha/freebsd.h, config/alpha/linux.h,
2454         config/alpha/netbsd.h, config/alpha/osf5.h,
2455         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
2456         config/h8300/h8300-protos.h, config/h8300/h8300.c,
2457         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
2458         doc/cppopts.texi: Update copyright.
2459
2460 2005-03-18  Jan Hubicka  <jh@suse.cz>
2461
2462         PR middle-end/20225
2463         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
2464         too late.
2465         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
2466         called too late.
2467
2468 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2469
2470         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
2471         VEC_safe_push.
2472
2473 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
2474
2475         * combine.c (gen_binary): Remove.
2476         (known_cond, simplify_shift_const, find_split_point,
2477         combine_simplify_rtx, simplify_if_then_else, simplify_set,
2478         simplify_logical, expand_field_assignment, extract_left_shift,
2479         force_to_mode, if_then_else_cond, apply_distributive_law,
2480         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
2481         simplify_comparison, reversed_comparison): Replace with
2482         simplify_gen_binary, simplify_gen_relational or
2483         distribute_and_simplify_rtx.
2484         (distribute_and_simplify_rtx): New function.
2485
2486 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2487             Paolo Bonzini  <gcc.gnu.org>
2488
2489         * calls.c (setjmp_call_p, special_function_p): Update comments
2490         at the head of the functions.
2491
2492 2005-03-18  Jan Hubicka  <jh@suse.cz>
2493
2494         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
2495
2496         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
2497         function body should be released; do not proactively release function
2498         bodies in non-unit-at-a-time mode.
2499
2500 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
2501
2502         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
2503         mno-fp-ret-in-387 multilib variants.
2504
2505 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
2506
2507         * common.opt (m): Remove.
2508         * opts.c (handle_option): Pass 'm' options to set_target_switch if
2509         table lookup fails.
2510         (common_handle_option): Remove OPT_m case.
2511
2512 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2513
2514         * builtins.c (fold_builtin_bitop): Take decomposed arguments
2515         of CALL_EXPR.
2516         (fold_builtin_1): Update a call to fold_builtin_bitop.
2517
2518         * builtins.c (fold_builtin_signbit): Take decomposed arguments
2519         of CALL_EXPR.
2520         (fold_builtin_1): Update a call to fold_builtin_signbit.
2521
2522 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
2523
2524         PR tree-optimization/20474
2525         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
2526         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
2527
2528 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2529
2530         * config/h8300/h8300-protos.h: Remove prototypes for
2531         general_operand_src, general_operand_dst, single_one_operand,
2532         single_zero_operand, call_insn_operand,
2533         two_insn_adds_subs_operand, small_call_insn_operand,
2534         jump_address_operand, bit_operand, bit_memory_operand,
2535         stack_pointer_operand, const_int_gt_2_operand,
2536         const_int_ge_8_operand, const_int_qi_operand,
2537         const_int_hi_operand, incdec_operand, bit_operator,
2538         nshift_operator, eqne_operator, gtle_operator,
2539         gtuleu_operator, iorxor_operator.
2540         Add prototypes for h8sx_shift_type h8sx_classify_shift and
2541         h8300_ldm_stm_parallel.
2542         * config/h8300/h8300.c (h8sx_shift_type,): Move to
2543         h8300-protos.h.
2544         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
2545         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
2546         (h8300_ldm_stm_parallel): Make it extern.
2547         (h8300_ldm_parallel, h8300_stm_parallel,
2548         h8300_return_parallel, general_operand_src,
2549         general_operand_dst, h8300_dst_operand, h8300_src_operand,
2550         nibble_operand, reg_or_nibble_operand, single_one_operand,
2551         single_zero_operand, call_insn_operand,
2552         two_insn_adds_subs_operand, small_call_insn_operand,
2553         jump_address_operand, bit_operand, bit_memory_operand,
2554         stack_pointer_operand, const_int_gt_2_operand,
2555         const_int_ge_8_operand, const_int_qi_operand,
2556         const_int_hi_operand, incdec_operand, eqne_operator,
2557         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
2558         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
2559         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
2560         nshift_operator): Move to predicates.md.
2561         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
2562         * config/h8300/h8300.md: Include predicates.md.
2563         * config/h8300/predicates.md: New.
2564
2565 2005-03-17  Richard Henderson  <rth@redhat.com>
2566
2567         * config.gcc (ia64*-*-hpux*): Add extra_options.
2568         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
2569         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2570         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
2571         (ia64_tls_size_string, ia64_tune_string): Remove.
2572         (ia64_tune): Init to PROCESSOR_ITANIUM2.
2573         (TARGET_DEFAULT_TARGET_FLAGS): New.
2574         (TARGET_HANDLE_OPTION): New.
2575         (ia64_override_options): Move options parsing ...
2576         (ia64_handle_option): ... here.  New.
2577         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
2578         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
2579         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
2580         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
2581         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
2582         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
2583         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
2584         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
2585         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
2586         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
2587         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
2588         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
2589         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
2590         TARGET_EARLY_STOP_BITS): Remove.
2591         (TARGET_ILP32): Default false.
2592         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
2593         (enum ia64_inline_type): New.
2594         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2595         * config/ia64/ia64.md: Update for new definitions of
2596         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
2597         * config/ia64/ia64.opt: New file.
2598         * config/ia64/ilp32.opt: New file.
2599
2600 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2601
2602         PR target/18380
2603         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
2604
2605 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2606
2607         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
2608         instead of MASK_H8300S.
2609         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
2610         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
2611         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
2612         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
2613         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
2614         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
2615         TARGET_SWITCHES): Remove.
2616         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
2617         TARGET_H8300SX.
2618         * config/h8300/h8300.opt: New.
2619
2620         * config/alpha/alpha.opt, config/arc/arc.opt,
2621         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
2622         notices.
2623
2624 2005-03-17  Ian Lance Taylor  <ian@airs.com>
2625
2626         * gmon.c: Remove.
2627
2628 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
2629
2630         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
2631         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
2632         (TARGET_HANDLE_OPTION): Override default.
2633         (arc_handle_option): New function.
2634         (arc_init): Remove code to set arch_cpu_string.
2635         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
2636         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
2637         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
2638         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
2639         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
2640         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
2641         (arc_rodata_string, TARGET_OPTIONS): Delete.
2642         * config/arc/arc.opt: New file.
2643
2644 2005-03-17  Richard Henderson  <rth@redhat.com>
2645
2646         * doc/extend.texi (Weak Pragmas): New section.
2647         (attribute alias): Clarify that target must be in the same
2648         translation unit.
2649
2650 2005-03-17  Richard Henderson  <rth@redhat.com>
2651
2652         * config/alpha/alpha.opt: New file.
2653         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
2654         of alpha_cpu.
2655         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
2656         alpha_fprm_string, alpha_fptm_string): Make static.
2657         (alpha_tls_size_string): Remove.
2658         (alpha_handle_option): New.
2659         (override_options): Update for alpha_cpu/alpha_tune split.
2660         (alpha_file_start): Likewise.
2661         (TARGET_DEFAULT_TARGET_FLAGS): New.
2662         (TARGET_HANDLE_OPTION): New.
2663         * config/alpha/alpha.h (alpha_tune): Declare.
2664         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
2665         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
2666         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
2667         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
2668         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
2669         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
2670         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
2671         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
2672         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
2673         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
2674         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
2675         (TARGET_DEFAULT): Remove MASK_FP.
2676         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
2677         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
2678         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
2679         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
2680         alpha_tls_size_string): Remove.
2681         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
2682         (attribute tune): Rename from attribute cpu.
2683         * config/alpha/ev4.md: Update to match.
2684         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
2685         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
2686         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
2687         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
2688         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
2689         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
2690
2691 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
2692
2693         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
2694         and return without creating new state if before_nops_num is nonzero.
2695         * config/ia64/ia64.md (first_insn): New attribute.
2696         (alloc): Set it to yes.
2697
2698 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2699
2700         * tree-vectorizer.c (new_vec_stmt_info): Initialize
2701         STMT_VINFO_SUBVARS to NULL.
2702         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2703
2704 2005-03-16 Dale Johannesen  <dalej@apple.com>
2705
2706         * rtlanal.c (find_first_parameter_load):  Rewrite to
2707         return actual first param load or the call if none,
2708         instead of first in block, when not all loads exist.
2709
2710 2005-03-16  Roger Sayle  <roger@eyesopen.com>
2711
2712         * optabs.c (expand_copysign_absneg): Make static.
2713         * optabs.h (expand_copysign_absneg): Delete prototype.
2714         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
2715
2716 2005-03-16  Richard Henderson  <rth@redhat.com>
2717
2718         PR middle-end/15700
2719         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
2720         (alias_pairs): Rename from output_defs.
2721         (find_decl_and_mark_needed): Split out from assemble_alias.
2722         (do_assemble_alias): New.
2723         (assemble_output_def): Remove.
2724         (finish_aliases_1, finish_aliases_2): New.
2725         (process_pending_assemble_output_defs): Remove.
2726         (assemble_alias): Defer aliases for which we don't yet have a
2727         non-external decl for the target symbol.
2728         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
2729         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
2730         * toplev.c (compile_file): Use finish_aliases_2 instead of
2731         process_pending_assemble_output_defs.
2732         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
2733         (process_pending_assemble_output_defs): Remove.
2734
2735 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2736
2737         Fix PR tree-optimization/20489
2738
2739         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
2740         for empty structures.
2741
2742 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2743
2744         Fix PR tree-optimization/20490
2745
2746         * tree-ssa-pre.c (create_expression_by_pieces): Use
2747         force_gimple_operand on result of fold.
2748
2749 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
2750
2751         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
2752         of closing parenthesis.
2753
2754 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
2755
2756         * builtins.c (expand_movstr): Update a call to
2757         fold_builtin_strcpy.
2758         (expand_builtin_strncpy): Update a call to
2759         fold_builtin_strncpy.
2760         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
2761         arguments of CALL_EXPR.
2762         (fold_builtin_1): Update calls to fold_builtin_strcpy and
2763         fold_builtin_strncpy.
2764         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2765         * tree.h: Update the prototypes of fold_builtin_strcpy and
2766         fold_builtin_strncpy.
2767
2768 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2769             Dorit Naishlos  <dorit@il.ibm.com>
2770
2771         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
2772         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
2773         error.
2774
2775 2005-03-16  Steven Bosscher  <stevenb@suse.de>
2776
2777         * tree-inline.c (walk_type_fields, walk_tree,
2778         walk_tree_without_duplicates): Move from here...
2779         * tree.c: ...to here.
2780
2781 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
2782
2783         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
2784         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
2785         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2786         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
2787         (version): Define using $(BASEVER_c).
2788         (Makefile, config.status, build/gcov-iov.o): No longer depends on
2789         version.c.
2790         (version.o): Depend on version files; add custom generation command.
2791         (prefix.o): Define BASEVER on command line.
2792         (s-iov): Depend on version files; adjust command.
2793         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
2794         Add gcc-vers.texi.
2795         (gcc-vers.texi): New rule.
2796         (doc/%.info, doc/%.dvi): Add -I . to command line.
2797         (doc/gccinstall.dvi): Likewise.
2798         (PACKAGE): Delete.  All uses replaced with "gcc".
2799         * aclocal.m4: Do not include gcc-version.m4.
2800         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
2801         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
2802         Set is_release based on contents of DEV-PHASE.
2803         Set gcc_version based on contents of BASE-VER.
2804         Define WIN32_REGISTRY_KEY only if the user overrode the default.
2805         * config.in, configure: Regenerate.
2806         * gccbug.in: Determine version of GCC in use at runtime.
2807         * gcov-iov.c: Get version number and development phase from
2808         command line, not by including version.c.
2809         * intl.c: Replace all uses of PACKAGE with "gcc".
2810         * libada-mk.in: Delete unused "gcc_version" variable.
2811         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
2812         * version.c: (VERSUFFIX): New hook for redistributors; adjust
2813         commentary to match.
2814         (version_string): Put together from pieces.
2815         * config/alpha/x-vms: Do not use $(gcc_version).
2816         * config/i386/t-nwld: Likewise.
2817         * doc/include/gcc-common.texi: Include gcc-vers.texi for
2818         version-GCC and DEVELOPMENT.
2819
2820 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2821
2822         PR tree-optimization/17454
2823         * tree.c (tree_size): Add case for TREE_BINFO.
2824         * fold-const.c (fold_checksum_tree): Only clear the overloaded
2825         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
2826
2827 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2828
2829         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
2830         op1 whilst expanding the signed widenening multiply variant.
2831
2832 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
2833
2834         * toplev.c (display_target_options): Avoid unused variable warning if
2835         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
2836         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
2837         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
2838         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
2839         (mips_isa_info): New variable.
2840         (mips_parse_cpu): Remove the first argument and leave the caller
2841         to report errors.
2842         (TARGET_HANDLE_OPTION): Override default.
2843         (mips_handle_option): New function.  Move option validation code from...
2844         (override_options): ...here.  Update calls to mips_parse_cpu.
2845         * config/mips/mips.h (mips_arch_string, mips_tune_string)
2846         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
2847         (SUBTARGET_TARGET_OPTIONS): Delete.
2848         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
2849         (mno-flush-func, mtune=): New options.
2850
2851 2005-03-15  Roger Sayle  <roger@eyesopen.com>
2852             Richard Henderson  <rth@redhat.com>
2853
2854         * real.c (c4x_single_format, c4x_extended_format): Provide values
2855         for signbit_ro for c4x's single and extended floating point formats.
2856         * optabs.c (expand_copysign): Use the floating point format's
2857         signbit_ro for expanding via expand_copysign_absneg, and it's
2858         signbit_rw field for expanding via expand_copysign_bit.
2859
2860 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
2861
2862         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
2863         known_alignment_for_access_p.
2864         (known_alignment_for_access_p): New.
2865         (do_peeling_for_alignment): Field made int instead of bool and renamed
2866         to peeling_for_alignment.
2867         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
2868         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
2869         functionality used to be in vect_analyze_operations.
2870         (vect_analyze_operations): Code to determine vectorization factor was
2871         moved to vect_determine_vectorization_factor.
2872         (vect_enhance_data_refs_alignment): Update to correct alignment when it
2873         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
2874         factor.
2875         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
2876         be part of vect_analyze_operations).
2877         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
2878         creating the guard condition, as the number of iterations may be
2879         constant.
2880         (slpeel_tree_peel_loop_to_edge): Use new name of
2881         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
2882         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
2883         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
2884         (vect_do_peeling_for_alignment): Use fold.
2885         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
2886
2887         (vect_update_inits_of_dr): Renamed to
2888         vect_update_init_of_dr.
2889         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
2890         (vectorizable_store): Fix assertion to use == instead of =.
2891
2892 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
2893
2894         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
2895         call_used_regs for wCG registers.
2896
2897 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
2898
2899         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2900         for non-offsettable memory references to cope with outstanding reload
2901         replacements, take 2.
2902
2903 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
2904
2905         PR target/18668
2906         * config/i386/i386.h (x86_fisttp): New.
2907         (TARGET_FISTTP): New macro.
2908         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
2909         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
2910         instruction when fisttp flag is set.
2911         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
2912
2913         * config/i386/i386.md (type attribute): Add fisttp.
2914         (unit attribute): Set to i387 for fisttp type.
2915         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
2916         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
2917         TARGET_FISTTP.
2918         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
2919         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
2920         macros.
2921         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
2922         patterns for TARGET_FISTTP.  Enable patterns for
2923         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
2924         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
2925         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
2926         implement fisttp x87 insn.
2927         (fix_trunc*_i387_fisttp splitters): New patterns.
2928         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
2929         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
2930         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
2931         clobber.
2932         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
2933         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
2934         Implement using mode macros. Disable patterns for TARGET_FISTTP.
2935         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
2936         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
2937         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
2938         Disable patterns for TARGET_FISTTP.
2939         (fix_trunc*_i387 splitters): Implement usign mode macros.
2940         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
2941         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
2942         (fix_trunx*_sse peephole2s): Implement using mode macros.
2943
2944 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
2945
2946         PR rtl-optimization/20291
2947         * combine.c (try_combine): If splitting fails, re-try with
2948         original combined pattern, i.e. before clobber stripping.
2949
2950 2005-03-14  Eric Christopher  <echristo@redhat.com>
2951
2952         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
2953         STACK_GROWS_DOWNWARD.
2954
2955 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2956
2957         * real.h (struct real_format): Split the signbit field into two
2958         two fields, signbit_ro and signbit_rw.
2959         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
2960         mips_double_format, ieee_extended_motorola_format,
2961         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
2962         ieee_extended_intel_128_format, ibm_extended_format,
2963         mips_extended_format, ieee_quad_format, mips_quad_format,
2964         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
2965         i370_double_format, c4x_single_format, c4x_extended_format,
2966         real_internal_format): Update initializers for new field.
2967         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
2968         real_format structure.
2969         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
2970         field of the real_format structure.
2971
2972 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
2973
2974         Fix PR tree-optimization/20458
2975
2976         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
2977         DECL_EXTERNAL on STRUCT_FIELD tags.
2978         (clear_call_clobbered): Ditto.
2979         * tree-ssa-operands.c (note_addressable): Make sure the original
2980         variable doesn't slip into the addressable list if we have
2981         subvars.
2982         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
2983         tags too.
2984
2985 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
2986
2987         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
2988         (-fwide-exec-charset): Likewise.
2989         (-finput-charset): Likewise.
2990         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
2991         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
2992         * c.opt (Wnormalized): New.
2993
2994 2005-03-14  Devang Patel  <dpatel@apple.com>
2995
2996         * doc/invoke.texi: Add reference to Visibility document.
2997
2998 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2999
3000         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3001         MASK_SPLIT_ADDRESSES.
3002         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3003         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3004         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3005         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3006         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3007         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3008         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3009         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3010         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3011         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3012         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3013         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3014         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3015         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3016         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3017         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3018         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3019         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3020         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3021         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3022         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3023         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3024         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3025         (TARGET_EXPLICIT_RELOCS): Delete.
3026         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3027         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3028         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3029         (override_options): Set MASK_LONG64 if -mint64 is given and no
3030         -mlongXX option is.  Complain about -mint64 -mlong32.
3031         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3032         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3033         * config/mips/mips.opt: New file.
3034
3035 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3036
3037         * config.gcc (extra_options): New variable for listing option files.
3038         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3039         * configure.ac (extra_opt_files): New AC_SUBST variable.
3040         (tm_file_list, tm_include_list): Include options.h first.
3041         * configure: Regenerate.
3042         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3043         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3044         (s-options-h): New rule.
3045         (options.h): Depend on it.
3046         (TEXI_GCCINT_FILES): Add options.texi.
3047         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3048         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3049         * target.h (gcc_target): Add default_target_flags and handle_option.
3050         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3051         (TARGET_HANDLE_OPTION): New macros.
3052         (TARGET_INITIALIZER): Include them.
3053         * opt-functions.awk (opt_args, nth_arg): New functions.
3054         (switch_flags): Handle the "Target" flag.
3055         (var_args): Delete.
3056         (var_name): Use opt_args and nth_arg.
3057         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3058         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3059         macros for the "Mask" and "InverseMask" options.
3060         * opts.h (cl_var_cond): New enum.
3061         (cl_option): Replace the "has_set_value" and "set_value" fields with
3062         "var_cond" and "var_value".
3063         (CL_TARGET): New macro.
3064         (option_enabled, print_filtered_help): Declare.
3065         (decode_options): Move definition.
3066         * opts.c (handle_option): Search for the original option before
3067         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3068         var_cond and var_value fields.  Use targetm.handle_option to handle
3069         target options.
3070         (decode_options): Set target_flags to targetm.default_target_flags.
3071         (print_filtered_help): Make global.  Handle CL_TARGET.
3072         (option_enabled): New function.
3073         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3074         (display_target_options, set_target_switch, print_switch_values)
3075         (default_pch_valid_p): Guard uses of target_switches with
3076         #ifdef TARGET_SWITCHES.  Also...
3077         (display_target_options): Display the CL_TARGET entries in cl_options.
3078         (set_target_option): Don't complain about the "" option when
3079         TARGET_SWITCHES is undefined.
3080         (print_switch_values): Use option_enabled.
3081         (default_pch_valid_p): Check cl_options[] when looking for something
3082         that has changed the value of target_flags.
3083         * c.opt: Remove documentation from top of file.
3084         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3085         * doc/sourecebuild.texi: Refer to the new options documentation
3086         instead of c.opt.  Document machine-specific .opt files.
3087         * doc/tm.texi (target_flags): Say that this variable is declared
3088         by options.h.
3089         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3090         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3091         an alternative.
3092         * doc/options.texi: New file.
3093
3094 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3095
3096         PR middle-end/18628
3097         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3098         register.
3099
3100 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3101
3102         PR c++/20280
3103         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3104         temporary variable of pointer type if an lvalues is required.
3105         (gimplify_modify_expr_rhs): Request an rvalue from it.
3106         (gimplify_expr): Pass fallback on.
3107
3108 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3109
3110         * cfgbuild.c: Update comments.
3111
3112 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3113
3114         PR rtl-optimization/17236
3115         * optabs.c (expand_doubleword_mult): New helper function split out
3116         from expand_binop.  Permute the order in which instructions are
3117         emitted to minimize the number of simultaneously live registers.
3118         (expand_binop): Call expand_doubleword_mult to synthesize a double
3119         word multiplication.
3120
3121 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3122
3123         * basic-block.h: Update the prototypes of cached_make_edge and
3124         rtl_make_eh_edge.
3125         * cfg.c (cached_make_edge): Take edge_cache representing one
3126         row of the adjacency matrix of edges.
3127         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3128         (make_edges): Initialize edge_cache to represent one row of
3129         the adjacency matrix of edges.
3130
3131 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3132
3133         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3134         New functions.
3135         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3136         Remove unused removed_phis variable.
3137         (conditional_replacement): Use build1/build2.
3138         (abs_replacement): Use last_and_only_stmt and build1/build2.
3139
3140 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3141
3142         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3143         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3144         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3145         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3146         * c-common.c (handle_novops_attribute): New function.
3147         (c_common_attribute_table): Add "no vops" entry.
3148         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3149         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3150         * tree-ssa-operands.c (get_call_expr_operands): Do not
3151         create virtual operands for calls with ECF_NOVOPS flag.
3152         * tree.h (DECL_IS_NOVOPS): New macro.
3153         (struct tree_decl): Add novops_flag.
3154         (ECF_NOVOPS): New constant.
3155
3156 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3157
3158         PR target/17688
3159         * config/i386/i386.c (x86_use_himode_fiop): New.
3160         (x86_use_simode_fiop): Rename from x86_use_fiop.
3161         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3162         (TARGET_USE_HIMODE_FIOP): New.
3163         (x86_use_simode_fiop): Rename from x86_use_fiop.
3164         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3165
3166         * config/i386/i386.md (X87MODEI12): New mode macro define.
3167         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3168         to implement x87 FP compare with HImode input operands.
3169         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3170         Use X87MODEI12 mode macro to handle HImode input operands.
3171         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3172         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3173         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3174         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3175         macro to implement x87 operators with HImode input operands.
3176         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3177         input operands.
3178
3179 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3180
3181         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3182         integer_zerop.
3183         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3184         constants invariant.
3185
3186 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3187
3188         * basic-block.h (BB_VISITED): Removed.
3189         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3190
3191 2005-03-14  Falk Hueffner  <falk@debian.org>
3192
3193         PR bootstrap/20424
3194         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3195
3196 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3197
3198         * ggc-zone.c: Fix comment typos.
3199
3200         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3201         stringpool.c, config/mips/mips-protos.h: Update copyright.
3202
3203 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3204
3205         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3206         throughout with its typedef, "rtx".
3207         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3208         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3209         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3210         regs in comment to match code.
3211
3212 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3213
3214         * except.c (check_handled): Make it static.
3215         * except.h: Remove the corresponding prototype.
3216
3217         * function.c (get_func_frame_size): Make it static.
3218         * function.h: Remove the corresponding type.
3219
3220         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3221         Make them static.
3222         * hard-reg-set.h: Remove the corresponding declarations.
3223
3224         * tree-cfg.c (verify_stmts): Check that
3225         bb_for_stmt (stmt) == bb for every PHI node and statement.
3226
3227 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3228
3229         * config.gcc: Remove excess indentation.
3230         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3231
3232 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3233
3234         PR middle-end/19331
3235         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3236         * fold-const.c (fold_sign_changed_comparison): Likewise.
3237         (fold_binary): Optimize comparisons against widened operands if
3238         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3239
3240 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3241
3242         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3243         (sparc_override_options): Initialize it.
3244         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3245
3246 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3247
3248         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3249         (reg_or_none500mem_operand): New predicate.
3250         (zero_reg_mem_operand): New predicate.
3251         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3252         to reg_or_none500mem_operand.
3253         (extendsfdf2_fpr): Add MEM alternative.
3254         (extenddftf2_internal): Change operand2 predicate to
3255         zero_reg_mem_operand.
3256
3257 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3258
3259         * ggc-zone.c: Rewritten.
3260
3261         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3262         if there are none.
3263         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3264         * config.in: Regenerated.
3265         * configure: Regenerated.
3266         * gengtype.c (write_types_process_field, write_func_for_structure):
3267         Pass new argument to gt_pch_note_object.
3268         * ggc-common.c (struct ptr_data): Add TYPE.
3269         (gt_pch_note_object): Take TYPE argument and save it.
3270         (call_count): Update call to ggc_pch_count_object.
3271         (call_alloc): Update call to ggc_pch_alloc_object.
3272         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3273         file.
3274         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3275         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3276         (ggc_alloc_zone_stat): Delete.
3277         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3278         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3279         (ggc_pch_alloc_object): Update prototypes.
3280         (garbage_zone): Delete.
3281         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3282         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3283         pointers.
3284         (tree_id_zone): New variable.
3285         (ggc_alloc_cleared_zone): Remove unused.
3286         (ggc_alloc_zone): Define.
3287         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3288         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3289         ggc_alloc_zone_stat.
3290         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3291         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3292         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3293         (make_node_stat): Likewise.  Use tree_id_zone.
3294
3295 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3296             Joseph S. Myers  <joseph@codesourcery.com>
3297
3298         * configure.ac: Check for MIPS TLS.
3299         * configure: Regenerated.
3300         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3301         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3302         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3303         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3304         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3305         (mips_classify_symbol, mips_symbolic_constant_p)
3306         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3307         (mips_tls_operand_p, mips_call_tls_get_addr)
3308         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3309         (mips_tls_symbol_ref_1): New functions.
3310         (mips_legitimize_address, mips_legitimize_const_move): Call
3311         mips_legitimize_tls_address.
3312         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3313         for MIPS16.
3314         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3315         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3316         (mips_char_to_class): Document V1_REG.
3317         (HAVE_AS_TLS): Provide default.
3318         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3319         constants.
3320         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3321         !TARGET_ABICALLS.
3322         (tls_get_tp_<mode>): New instruction.
3323
3324 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3325
3326         * configure.ac: Update checks for target tools.
3327         * configure: Regenerated.
3328
3329 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3330
3331         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3332
3333 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3334
3335         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3336         more classes of DImode multiplication by constant.  Allow both
3337         multiplication by small negative constants (by performing a
3338         multiplication by a positive constant and negating the result) and
3339         multiplications by large powers of two, by using a left shift.
3340
3341 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3342
3343         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3344         of basic blocks into work_stack.
3345
3346         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3347         config/mips/vr.h: Update copyright.
3348
3349         * c-decl.c (c_init_decl_processing): Remove useless calls to
3350         build_function_type.
3351
3352         * builtins.c (fold_trunc_transparent_mathfn,
3353         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3354         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3355         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3356         fold_builtin_strcpy, fold_builtin_strncpy,
3357         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3358         TREE_TYPE (exp).
3359
3360         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3361         before_call.
3362
3363         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3364         variable determinant.
3365
3366         * tree-cfg.c (group_case_labels): Remove local variable type.
3367
3368         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3369         variable ann.
3370
3371         * tree-ssa-phiopt.c (value_replacement): Remove local variable
3372         result.
3373
3374 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3375
3376         PR target/18251
3377         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
3378         (*movmemqi_insn): Delete.
3379         (*movmemhi): Delete.
3380
3381 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3382
3383         * builtins.c (fold_builtin_classify): Take decomposed
3384         arguments of CALL_EXPR.
3385         (fold_builtin_1): Update a call to fold_builtin_classify.
3386
3387 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
3388
3389         PR c/20402
3390         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
3391         through into call to parser_xref_tag after parse error.
3392         (c_parser_struct_declaration): Consistently return NULL_TREE on
3393         error.
3394
3395 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
3396
3397         * tree-flow-inline.h (ref_contains_array_ref): New function.
3398         (lookup_subvars_for_var): Ditto.
3399         (get_subvars_for_var): Ditto.
3400         (var_can_have_subvars): Ditto.
3401
3402         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
3403         (struct subvar): New type.
3404
3405         * tree-dfa.c (okay_component_ref_for_subvars): New function.
3406
3407         * tree-optimize.c (init_tree_optimization_passes): Call
3408         pass_create_structure_vars.
3409
3410         * tree-ssa-alias.c: Include vec.h.
3411         (init_alias_info): Don't auto-clear call clobbered on struct-field
3412         tags.
3413         (compute_flow_insensitive_aliasing): Handle subvars.
3414         (group_aliases): Handle STRUCT_FIELD aliases.
3415         (setup_pointers_and_addressables): Ditto.
3416         Don't mark variables non-addressable if they still have
3417         addressable subvars.
3418         Also mark subvars addressable when the real variable is marked
3419         addressable.
3420         (add_pointed_to_var): Try to prune the pointed-to set by only
3421         pointing to subvars when possible.
3422         Otherwise, make sure we set addresses_needed and pt_vars to
3423         properly include subvars.
3424         (bitpos_of_field): New function.
3425         (push_fields_onto_fieldstack): Ditto.
3426         (get_or_create_used_part_for): Ditto.
3427         (create_overlap_variables_for): Ditto.
3428         (find_used_portions): Ditto.
3429         (create_structure_vars): Ditto.
3430         (pass_create_structure_vars): New structure.
3431
3432         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
3433         (get_expr_operands): Handle subvars.  Also try to turn
3434         COMPONENT_REF accesses into must-defs now that we can accurately
3435         portray it.
3436         (note_addressable): Try to only mark as addressable those subvars
3437         we know a COMPONENT_REF touches.
3438         (overlap_subvar): New function.
3439
3440         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
3441         Handle subvar storing.
3442         (vect_address_analysis): Update caller of vect_object_analysis.
3443
3444         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
3445
3446         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
3447         (STMT_VINFO_SUBVARS): New macro.
3448
3449         * common.opts: add flag_tree_salias.
3450
3451         * opts.c (decode_options): flag_tree_salias defaults to on.
3452
3453         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
3454
3455         * doc/tree-ssa.texi: Document structural alias analysis.
3456
3457 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3458
3459         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
3460         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
3461         * tree-ssa-operands.c (get_expr_operands): Likewise.
3462         (get_expr_operands): Likewise for ERROR_MARK.
3463
3464 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3465
3466         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
3467         var.
3468
3469         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
3470         removed_phis.
3471
3472         * tree-ssa-pre.c (compute_avail): Remove local variable val.
3473         (mark_operand_necessary): Remove local variable ver.
3474
3475         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
3476         variable prefix_len.
3477
3478         * value-prof.c (mod_subtract_transform): Remove local variable
3479         value.
3480
3481         * builtins.c (fold_builtin_exponent): Take decomposed
3482         arguments of CALL_EXPR.
3483         (fold_builtin_1): Update a call to fold_builtin_exponent.
3484
3485         * builtins.c (fold_builtin_logarithm): Take decomposed
3486         arguments of CALL_EXPR.
3487         (fold_builtin_1): Update a call to fold_builtin_logarithm.
3488
3489         * c-decl.c (c_init_decl_processing): Remove local variables
3490         ptr_ftype_void and ptr_ftype_ptr.
3491
3492         * gimplify.c (gimplify_expr): Remove local variables r0 and
3493         r1.
3494
3495         * reg-stack.c (move_for_stack_reg): Remove local variable
3496         push_insn.
3497         (compare_for_stack_reg): Remove local variable flags_user.
3498         (convert_regs_1): Remove local variable deleted.
3499
3500         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
3501         variable new_cond.
3502         (combine_blocks): Remove local variables exits and new_e.
3503
3504         * tree-inline.c (expand_call_inline): Remove local variable
3505         decl.
3506
3507         * tree-ssa-live.c (create_ssa_var_map,
3508         calculate_live_on_entry): Remove local variable snn.
3509
3510 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
3511
3512         * c-lex.c (c_lex_with_flags): Add parameter to call to
3513         cpp_spell_token.
3514
3515 2005-03-11  Per Bothner  <per@bothner.com>
3516
3517         * c-tree.h (struct c_declarator): New id_loc field.
3518         * c-pragma.h (c_lex_with_flags): Take position reference.
3519         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
3520         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
3521         (c_lex): Pass dummy location to c_lex_with_flags.
3522         * c-parser.c (c_lex_one_token): Set c_token's location using
3523         c_lex_with_flags, instead of input_location, which might be "ahead".
3524         (c_parser_direct_declarator): Set declarator's id_loc from
3525         c_token's id_loc.
3526         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
3527         declarator's id_loc, rather than probably-imprecise input_location.
3528         (build_id_declarator): Initialize c_declarator's id_loc field.
3529
3530 2005-03-11  Roger Sayle  <roger@eyesopen.com>
3531
3532         PR middle-end/20419
3533         * builtins.c (expand_builtin_signbit): Force the signbit's word
3534         into an integer register to avoid SUBREGs of floating point modes.
3535
3536 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3537
3538         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
3539         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
3540         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
3541         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
3542
3543 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
3544
3545         PR rtl-optimization/20306
3546         * expr.c (emit_move_complex): Set try_int false if mode is
3547         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
3548         emit_block_move if try_int is true.
3549
3550 2005-03-11  Richard Henderson  <rth@redhat.com>
3551
3552         PR target/20415
3553         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
3554         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
3555         to match.
3556
3557 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3558
3559         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
3560         (TARGET_FIX_VR4130): New macro.
3561         (TARGET_OPTIONS): Add -mfix-vr4130.
3562         (ISA_HAS_MACCHI): New macro.
3563         (ASM_SPEC): Add -mfix-vr4130.
3564         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
3565         (override_options): Handle mips_fix_vr4130_string.
3566         (mips_avoid_hazards): Clear all_noreorder_p
3567         if we're working around VR4130 errata and the macc alternatives
3568         are not available.
3569         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
3570         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
3571         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
3572         (MULTILIB_DEFAULTS): Remove leading "march=".
3573         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
3574         if no architecture option is given.
3575         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
3576         VR4130 multilibs.
3577         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
3578         * doc/invoke.texi: Document -mfix-vr4130.
3579
3580 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3581
3582         * config/mips/mips.c (override_options): Only warn about -mint64
3583         deprecation if TARGET_INT64.
3584
3585 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3586
3587         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
3588         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
3589         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
3590         are non-specific regarding the nonnull parameter positions.
3591         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
3592         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
3593         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
3594         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
3595
3596         * builtins.def: Use the non-specific "nonnull" attibute lists.
3597
3598 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3599
3600         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3601         single_pred_edge, single_succ, single_pred): Improve comments.
3602
3603 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3604
3605         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3606         single_pred_edge, single_succ, single_pred): New inline functions.
3607         * bb-reorder.c (rotate_loop, find_traces_1_round,
3608         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
3609         duplicate_computed_gotos): Use the single_succ/pred functions.
3610         * cfganal.c (forwarder_block_p): Ditto.
3611         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
3612         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3613         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
3614         merge_seq_blocks): Ditto.
3615         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
3616         * cfglayout.c (fixup_reorder_chain): Ditto.
3617         * cfgloop.c (mark_single_exit_loops, update_latch_info,
3618         canonicalize_loop_headers, verify_loop_structure): Ditto.
3619         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
3620         mfb_update_loops, create_preheader, force_single_succ_latches,
3621         create_loop_notes): Ditto.
3622         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
3623         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
3624         commit_one_edge_insertion, purge_dead_edges,
3625         cfg_layout_can_merge_blocks_p): Ditto.
3626         * except.c (sjlj_emit_function_enter): Ditto.
3627         * flow.c (init_propagate_block_info): Ditto.
3628         * function.c (thread_prologue_and_epilogue_insns): Ditto.
3629         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
3630         insert_insn_end_bb): Ditto.
3631         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
3632         find_if_case_2): Ditto.
3633         * lambda-code.c (perfect_nestify): Ditto.
3634         * lcm.c (optimize_mode_switching): Ditto.
3635         * loop-doloop.c (doloop_modify): Ditto.
3636         * loop-init.c (loop_optimizer_init): Ditto.
3637         * loop-iv.c (simplify_using_initial_values): Ditto.
3638         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3639         * loop-unswitch.c (unswitch_loop): Ditto.
3640         * modulo-sched.c (generate_prolog_epilog): Ditto.
3641         * predict.c (combine_predictions_for_insn, estimate_probability,
3642         tree_estimate_probability, last_basic_block_p,
3643         estimate_bb_frequencies): Ditto.
3644         * profile.c (branch_prob): Ditto.
3645         * regrename.c (copyprop_hardreg_forward): Ditto.
3646         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
3647         * tracer.c (layout_superblocks): Ditto.
3648         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
3649         cfg_remove_useless_stmts_bb, cleanup_control_flow,
3650         cleanup_control_expr_graph, disband_implicit_edges,
3651         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
3652         tree_verify_flow_info, tree_make_forwarder_block,
3653         tree_forwarder_block_p, remove_forwarder_block,
3654         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3655         * tree-if-conv.c (tree_if_conversion): Ditto.
3656         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3657         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
3658         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
3659         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3660         copy_loop_headers): Ditto.
3661         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
3662         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
3663         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
3664         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
3665         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
3666         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
3667         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
3668         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
3669         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
3670         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
3671         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
3672         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
3673         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
3674         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
3675         slpeel_add_loop_guard): Ditto.
3676
3677 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
3678
3679         PR tree-optimization/15784
3680         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3681         and -1 - A to ~A.
3682
3683         * stmt.c (expand_case): Don't change index_type.  Convert minval
3684         to the proper type.
3685
3686         PR tree-optimization/20130
3687         * fold-const.c (fold): Fold x * -1 into -x.
3688
3689 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3690
3691         PR rtl-optimization/20331
3692         * rtlanal.c (modified_between_p): Check its address first for MEM.
3693         (modified_in_p): Likewise.
3694
3695 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
3696
3697         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
3698
3699 2005-03-10  Steven Bosscher  <stevenb@suse.de>
3700
3701         * expr.c (expand_expr_real_1): If possible, use a conditional
3702         move for expanding MIN_EXPR and MAX_EXPR.
3703         Use temp for moving around rtx-en.
3704
3705 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
3706
3707         PR rtl-opt/20412
3708         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
3709         correct mode.
3710
3711 2005-03-10  Roger Sayle  <roger@eyesopen.com>
3712
3713         * builtins.c (expand_builtin_signbit): Extend to handle floating
3714         point modes wider than the largest integer type, using the
3715         operand_subword_force function to obtain the signbit's word.
3716
3717 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR target/20322
3720         * combine.c (try_combine): If recog_for_combine added CLOBBERs
3721         to NEWI2PAT, fail to combine if they are used by NEWPAT.
3722
3723 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
3724
3725         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
3726
3727 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
3728
3729         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
3730         type void.
3731         (perform_edge_inserts): Unconditionally call
3732         free_dominator_info.
3733
3734         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
3735
3736 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
3737
3738         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
3739
3740 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
3741
3742         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
3743
3744         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
3745         gcc_unreachable.
3746         (rtl_register_value_prof_hooks,
3747         tree_value_profile_transformations,
3748         tree_register_value_prof_hooks): Likewise.
3749         * var-tracking.c (stack_adjust_offset_pre_post,
3750         variable_htab_free, variable_union, dataflow_set_different_2,
3751         count_uses, variable_was_changed, set_frame_base_location,
3752         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
3753         vt_add_function_parameters): Likewise.
3754         * varasm.c (named_section_real, named_section, make_decl_rtl,
3755         asm_emit_uninitialised, assemble_integer, decode_addr_const,
3756         const_hash_1, compare_constant, copy_constant, force_const_mem,
3757         output_constant_pool_2, output_constant_pool_1, output_constant,
3758         output_constructor, make_decl_one_only, decl_tls_model,
3759         default_no_named_section, default_elf_select_section_1,
3760         default_unique_section_1): Likewise.
3761         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
3762         * vmsdbgout.c (addr_const_to_string): Likewise.
3763
3764         PR c++/20375
3765         * function.c (struct assign_parm_data_one): Remove last_named
3766         field.
3767         (assign_parm_find_data_types): Don't determine last_named.
3768         Reorder named_parm determination.
3769         (assign_parms): Only setup varargs on the last non-varadic
3770         parameter.
3771
3772 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
3773
3774         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
3775         sda base address on medium model.
3776
3777 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
3778
3779         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
3780         * cfgloop.c (flow_loop_nodes_find): Export.
3781         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
3782         Declare.
3783         * cfgloopmanip.c (fix_loop_structure): New function.
3784         * predict.c (predict_loops): Clean up the loops information.
3785         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
3786         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
3787         loop structure.
3788         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
3789         (rewrite_into_loop_closed_ssa): Declaration changed.
3790         * tree-loop-linear.c (linear_transform_loops): Add argument to
3791         rewrite_into_loop_closed_ssa call.
3792         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3793         * tree-ssa-loop-im.c (move_computations): Ditto.
3794         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3795         * tree-vectorizer.c (vectorize_loops): Ditto.
3796         * tree-optimize.c: Include cfgloop.h.
3797         (execute_todo): Choose whether to call cleanup_tree_cfg or
3798         cleanup_tree_cfg_loop.
3799         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
3800         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
3801         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
3802         cleanup_tree_cfg_loop call.
3803         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
3804         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
3805         work on part of cfg.
3806
3807 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
3808
3809         PR inline-asm/20314
3810         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
3811         with multiple alternatives.
3812
3813         * stmt.c (parse_output_constraint): Fix a typo.
3814
3815 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
3816
3817         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
3818         assembly directive instead of deprecated "no-generics".
3819
3820 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
3821
3822         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3823         for non-offsettable memory references to cope with outstanding reload
3824         replacements.
3825         * config/s390/s390.md ("reload_outti"): Call find_replacement to
3826         avoid losing outstanding address reloads.
3827         ("reload_outdi", "reload_outdf"): Likewise.
3828
3829 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3830
3831         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
3832         code.  Add more cbrt transformations.
3833
3834 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3835
3836         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
3837
3838 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3839
3840         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
3841         NULL_TREE when a given tree is not simplified.
3842         (fold): Return the original tree when any of the functions
3843         mentioned above NULL_TREE.
3844
3845         * fold-const.c (fold_unary, fold_binary): Take decomposed
3846         arguments, code, type, op0, and op1 in case of fold_binary.
3847         (fold): Update calls to fold_unary and fold_binary.
3848
3849 2005-03-09  Roger Sayle  <roger@eyesopen.com>
3850
3851         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
3852         a fndecl and an arglist instead of a CALL_EXPR, exp.
3853
3854 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3855
3856         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
3857
3858         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
3859
3860         * expr.c (expand_assignment): Remove orig_to_rtx.
3861
3862         * fold-const.c (int_const_binop): Remove no_overflow.
3863
3864         * ifcvt.c (noce_emit_move_insn): Remove inmode.
3865
3866         * loop-iv.c (get_biv_step_1): Remove lhs.
3867
3868         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
3869
3870         * real.c (real_nan): Remove neg.
3871
3872         * function.c (thread_prologue_and_epilogue_insns): Remove i
3873         and newinsn.
3874
3875         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
3876         tb.
3877
3878         * tree-eh.c (tree_could_trap_p): Remove idx.
3879
3880         * tree-into-ssa.c (ann): Remove ann.
3881
3882         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
3883
3884         * tree-sra.c (decide_block_copy): Remove inst_count.
3885
3886         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
3887
3888         * tree-ssa-loop-im.c (lhs): Remove.
3889
3890         * cfgbuild.c (state, STATE, SET_STATE,
3891         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
3892         make_edges.
3893         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
3894         (find_basic_blocks): Set the state of each basic block to
3895         BLOCK_NEW.
3896
3897 2005-03-08  Jeff Law  <law@redhat.com>
3898
3899         * tree-cfg.c (cleanup_control_flow): If removal of a computed
3900         goto results in the removal of edges in the CFG, then we need
3901         to recompute dominators.
3902
3903 2005-03-09  Ben Elliston  <bje@au.ibm.com>
3904
3905         * c-common.c (c_do_switch_warnings): Comment fix.
3906
3907 2005-03-08  Julian Brown  <julian@codesourcery.com>
3908
3909         * Patch from 2005-03-08 reverted for causing regressions and
3910         ppc-darwin bootstrap failure.
3911
3912 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
3913
3914         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
3915         Define the real function for ppc-darwin.
3916         * c-typeck.c (convert_arguments): Check for target-specific
3917         invalid argument call to unprototyped function.
3918         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3919         New Macro.
3920         * target.h (invalid_arg_for_unprototyped_fn): New field
3921         in struct calls.
3922         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
3923         default target hook.
3924         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
3925         Declare.
3926
3927 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3928
3929         * c-typeck.c (constructor_stack, constructor_range_stack,
3930         initializer_stack): Make them static.
3931
3932         * cfg.c (rbi_pool): Make it static.
3933
3934         * gimple-low.c (lower_stmt_body): Make it static.
3935         * tree-flow.h: Remove the corresponding prototype.  Don't
3936         declare lower_data.
3937
3938         * sched-deps.c (cache_size): Make it static.
3939
3940         * stor-layout.c (lang_adjust_rli): Make it static.
3941
3942 2005-03-08  Julian Brown  <julian@codesourcery.com>
3943
3944         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3945         from being used for symbols with vague linkage when
3946         HAVE_GAS_COMDAT_GROUP is true.
3947
3948 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
3949
3950         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
3951         nlabel == JUMP_LABEL (jump).
3952
3953 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3954
3955         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
3956         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
3957         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
3958         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
3959
3960 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
3961
3962         PR c/14411
3963         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
3964         * c-common.c (handle_returns_twice): New function.
3965         (c_common_attribute_table): Declare eturns_twice' attribute.
3966         * doc/extend.texi: Document eturns_twice' attribute.
3967         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
3968         (struct tree_decl): Add returns_twice_flag.
3969
3970 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
3971
3972         * tree-ssa-phiopt.c: Fix a comment typo.
3973
3974         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
3975         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
3976         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
3977         copyright.
3978
3979 2005-03-08  Richard Henderson  <rth@redhat.com>
3980
3981         * config/alpha/alpha.c (code_for_builtin): Replace special-case
3982         builtin codes with ctzdi2, clzdi2, popcountdi2.
3983         (struct alpha_builtin_def): Add is_const.
3984         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
3985         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
3986         (alpha_init_builtins): Init them.  Set nothrow and const attributes
3987         on builtins.
3988         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
3989         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
3990         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
3991         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
3992         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
3993         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
3994         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
3995         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
3996         (TARGET_FOLD_BUILTIN): New.
3997         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
3998         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
3999         (ffsdi2): Use ctz.
4000         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
4001
4002 2005-03-08  Ira Rosen  <irar@il.ibm.com>
4003
4004         PR tree-optimization/20122
4005         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
4006         condition of access function instead of base.
4007
4008 2005-03-07  Jeff Law  <law@redhat.com>
4009             Steven Bosscher  <stevenb@suse.de>
4010
4011         * tree-cfg.c (find_taken_edge_computed_goto): New function.
4012         (find_taken_edge): Call find_taken_edge_computed_goto as
4013         appropriate.  Allow any gimple invariant rather than just
4014         INTEGER_CST for VAL.
4015         (cleanup_control_flow): Cleanup a computed goto which has turned
4016         into a simple goto.
4017         (tree_merge_blocks): If block B has any forced labels, move
4018         them to the start of block A.
4019         * tree-ssa-dom.c (thread_across_edge): Allow threading across
4020         computed gotos as well.
4021         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
4022         removal of unnecessary computed gotos too.
4023         (lookup_redirection_data): Fix type of INSERT argument.  Callers
4024         updated.
4025
4026 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4027
4028         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
4029         Remove trailing spaces.
4030
4031         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
4032         unshare_all_trees): Make them static.
4033         * tree-gimple.h: Remove the corresponding prototypes.
4034
4035         * diagnostic.h: Remove unused prototype
4036         debug_output_buffer.
4037         * modulo-sched.c: Remove unused prototype
4038         set_row_column_for_ps.
4039
4040         * tree-ssa-phiopt.c (tree_ssa_phiopt,
4041         replace_phi_edge_with_variable): Remove unused variable i.
4042
4043 2005-03-07  Per Bothner  <per@bothner.com>
4044
4045         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
4046
4047 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
4048
4049         PR tree-opt/17671
4050         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
4051         bbs on the COND_EXPR instead of the PHI_NODEs.
4052         (candidate_bb_for_phi_optimization): Remove.
4053         (replace_phi_with_stmt): Rename to ...
4054         (replace_phi_edge_with_variable): this and change so that we
4055         replace the phi argument instead of removing the PHI.
4056         (conditional_replacement): Change so we deal with PHI with more
4057         than two arguments.
4058         (value_replacement): Likewise.
4059         (abs_replacement): Likewise.
4060
4061 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
4062
4063         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
4064         output_e500_flip_gt_bit.
4065
4066         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
4067         as bit 31.
4068         (rs6000_generate_compare): Fix logic to look at the correct bits.
4069         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4070         Look at GT bit.
4071         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4072         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4073         gen_move_from_CR_gt_bit.
4074
4075         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4076         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4077         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4078
4079         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4080         (E500_CR_IOR_COMPARE): New constant.
4081
4082 2005-03-08  Earl Chew <earl_chew@agilent.com>
4083             David Billinghurst <David.Billinghurst@riotinto.com>
4084
4085         * config/i386/host-cygwin.c: New file to support precompiled
4086         headers on cygwin
4087         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4088         * config.host: Use above files for cygwin host.
4089
4090 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4091
4092         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4093         ordering ops from earlier change.
4094
4095 2005-03-07  Per Bothner  <per@bothner.com>
4096
4097         Various fixes to allow us to again build if --enable-mapped-location:
4098         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4099         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4100         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4101         local variable loc. Change logic appropriately.
4102         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4103         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4104         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4105         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4106         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4107
4108 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4109
4110         PR rtl-optimization/19683
4111         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4112         number of bytes, to smallest_int_for_mode.  Fix arguments to
4113         REG_CANNOT_CHANGE_MODE_P.
4114
4115 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4116
4117         * reorg.c (relax_delay_slots): Check that the jump is
4118         conditional before trying to invert it.
4119
4120 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4121
4122         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4123         Make them static.
4124
4125         * calls (stack_arg_under_construction): Make it static.
4126
4127         * flow.c (regs_live_at_setjmp): Make it static.
4128         * flow.h: Remove the corresponding prototype.
4129
4130         * reload1.c (reload_startobj, reload_firstobj,
4131         something_needs_operands_changed, reload_inherited,
4132         reload_inheritance_insn, reload_override_in,
4133         reload_spill_index): Make them static.
4134
4135         * recog.c (verify_changes): Make it static.
4136         * recog.h: Remove the corresponding prototype.
4137
4138         * cfgbuild.c (find_sub_basic_blocks): Remove.
4139         * basic-block.h: Remove the corresponding prototype.
4140         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4141         in comments.
4142         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4143
4144         * tree-ssa-operands.c (check_build_stmt): Remove.
4145
4146         * stor-layout.c (set_alignment): Remove.
4147         * tree.h: Remove the corresponding prototype.
4148
4149         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4150
4151         * tree-ssa-dce.c (control_dependence_map,
4152         visited_control_parents): Make them static.
4153
4154         * cfghooks.c (verify_flow_info): Remove local variable
4155         num_bb_notes.
4156
4157         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4158         last_bb_seen.
4159
4160         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4161
4162 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4163
4164         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4165
4166 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4167
4168         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4169         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4170         PARALLEL for an empty structure.
4171
4172 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4173
4174         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4175
4176         * fold-const.c (fold_binary): Unroll the very first "for"
4177         loop.
4178
4179 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4180
4181         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4182         redundant match_code test.
4183         (scc_comparison_operator): Swap match_operand and match_code
4184         tests.
4185         (branch_positive_comparison_operator): Same.
4186         (trap_comparison_operator): Use comparison_operator and swap with
4187         match_code test.
4188
4189 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4190
4191         PR target/20288
4192         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4193         (out_movhi_r_mr): Read low byte of volatile MEM first.
4194         (out_movhi_mr_r): Write high byte of volatile MEM first.
4195
4196 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4197
4198         * cselib.c (reg_values, reg_values_size): Make them static.
4199
4200         * cse.c (cse_reg_info_table): Make it static.
4201
4202         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4203
4204 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4205
4206         * cse.c (find_best_addr): Use canon_for_address.
4207
4208 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4209
4210         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4211         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4212         SUBREG and MEM, respectively.
4213
4214         * fold-const.c (fold_binary): Use code instead of t.
4215
4216         * fold-const.c (optimize_minmax_comparison): Take decomposed
4217         arguments code, type, op0, and op1 instead of t.
4218         (fold_binary): Update a call to optimize_minmax_comparison.
4219
4220         * fold-const.c (fold_range_test): Take decomposed arguments
4221         code, type, op0, and op1 instead of t.
4222         (fold_binary): Update a call to fold_range_test.
4223
4224         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4225         decomposed arguments code, type, op0, and op1 instead of t.
4226         (fold_binary): Update a call to fold_range_test.
4227
4228 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4229
4230         * fold-const.c (fold_binary): Avoid directly using the original
4231         expression t as much as possible.
4232
4233 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4234
4235         * c-semantics.c (build_stmt): Use TYPE_P instead of
4236         IS_NON_TYPE_CODE_CLASS.
4237         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4238         (NON_TYPE_CHECK): Use TYPE_P instead of
4239         IS_NON_TYPE_CODE_CLASS.
4240
4241         * fold-const.c (fold): Remove handling of binary expressions.
4242
4243 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4244
4245         * doc/c-tree.texi: Wrap comments in @r{}.
4246         * doc/cpp.texi: Likewise.
4247         * doc/cppinternals.texi: Likewise.
4248         * doc/extend.texi: Likewise.
4249         * doc/md.texi: Likewise.
4250         * doc/objc.texi: Likewise.
4251         * doc/sourcebuild.texi: Likewise.
4252         * doc/tm.texi: Likewise.
4253         * doc/tree-ssa.texi
4254
4255 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4256
4257         * predict.c (apply_return_prediction): Standardize PHI chain
4258         walking.
4259         * tree-ssa.c (ssa_redirect_edge): Likewise.
4260
4261         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4262         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4263         Update copyright.
4264
4265         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4266         * tree-flow.h: Adjust the prototype for remove_phi_node.
4267         * lambda-code.c (perfect_nestify): Adjust a call to
4268         remove_phi_node.
4269         * tree-cfg.c
4270         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4271         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4272         Likewise.
4273         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4274         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4275         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4276         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4277
4278         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4279         of GEN_INT (trunc_int_for_mode (...)).
4280         * loop-iv.c (iv_number_of_iterations): Likewise.
4281         * postreload.c (reload_cse_move2add): Likewise.
4282         * simplify-rtx.c (simplify_const_unary_operation,
4283         simplify_const_binary_operation): Likewise.
4284         * stor-layout.c (get_mode_bounds): Likewise.
4285
4286         * fold-const.c (fold_binary): New.
4287         (fold): Call fold_binary on binary expressions.
4288
4289 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4290
4291         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4292         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4293         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4294         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4295         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4296
4297 2005-03-04  Devang Patel  <dpatel@apple.com>
4298
4299         PR tree-optimization/18815
4300         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4301         loops with zero exit edges.
4302
4303 2005-03-04  Devang Patel  <dpatel@apple.com>
4304
4305         * doc/invoke.texi: Remove reference to webpage that does not exist.
4306
4307 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4308             Joseph S. Myers  <joseph@codesourcery.com>
4309
4310         PR c++/19797
4311         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4312         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4313         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4314         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4315         maybe_get_identifier instead of get_identifier.
4316         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4317         (struct deferred_plabel): Replace name field with symbol field.
4318         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4319         ASM_OUTPUT_EXTERNAL_REAL is defined.
4320         (output_global_address): Use output_addr_const for output of all
4321         symbol_refs.
4322         (output_deferred_plabels): Use symbol_ref instead of name for address
4323         output.
4324         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4325         ASM_OUTPUT_SYMBOL_REF): New macros.
4326         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4327         comment.
4328         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4329         label.
4330
4331 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4332
4333         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4334         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4335
4336 2005-03-04  Jeff Law  <law@redhat.com>
4337
4338         * basic-block.h (rediscover_loops_after_threading): Declare.
4339         * tree-ssa-dom.c: Include cfgloop.h.
4340         (tree_ssa_dominator_optimize): Discover loops and some basic
4341         properties.  Remove forwarder blocks recreated by loop header
4342         canonicalization.  Also mark backedges in the CFG.
4343         * tree-ssa-threadupdate.c: Include cfgloop.h
4344         (rediscover_loops_after_threading): Define.
4345         (struct local_info): New field, JUMP_THREADED.
4346         (prune_undesirable_thread_requests): New function.
4347         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4348         then record that fact for the callers of redirct_edges.
4349         (thread_block): If BB has incoming backedges, then call
4350         prune_undesirable_thraed_requests.    Note when we are
4351         going to have to rediscover loop information.  Return a
4352         boolean indicating if any jumps were threaded.
4353         (thread_through_all_blocks): Bubble up boolean indicating
4354         if any jumps were threaded.
4355         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4356         (tree-ssa-threadupdate.o): Similarly.
4357
4358 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4359
4360         * fold-const.c (fold_ternary): Unroll the "for" loop to
4361         extract operands.
4362
4363 2005-03-04  Andrew Haley  <aph@redhat.com>
4364
4365         * unwind-dw2-fde-glibc.c (struct
4366         unw_eh_callback_data.check_cache): New field.
4367         (frame_hdr_cache): New.
4368         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4369         Cache frame header info.
4370
4371 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
4372
4373         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
4374         (print_c_condition): Declare.
4375         * read-rtl.c (ptr_loc): New structure.
4376         (ptr_locs, ptr_loc_obstack, joined_conditions)
4377         (joined_conditions_obstack): New variables.
4378         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
4379         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
4380         (join_c_conditions, print_c_condition): New functions.
4381         (apply_macro_to_string): Associate the new string with the same
4382         source location as the old one.
4383         (add_condition_to_string): Use join_c_conditions.
4384         (read_string): Use set_rtx_ptr_loc to record a filename and line
4385         number for the string.
4386         (read_rtx): Initialize the new variables above.
4387         * genattrtab.c (write_test_expr, write_attr_value): Use
4388         print_c_condition.
4389         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
4390         comment above the GCC_VERSION check.
4391         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
4392         Inline the definition of MAYBE_EVAL.
4393         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
4394         * genoutput.c (process_template): Likewise.
4395         * genpreds.c (write_predicate_subfunction): Likewise.
4396         (write_predicate_expr): Use print_c_condition.
4397         * genrecog.c (write_cond): Likewise.
4398         * gensupport.c (process_rtx): Use join_c_conditions to join the
4399         conditions of a define_insn_and_split.  Record a source location
4400         for the string after the "&&".
4401         (alter_test_for_insn): Use join_c_conditions.
4402
4403 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
4404
4405         Revert for now:
4406         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4407         PR tree-optimization/15784
4408         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4409         and -1 - A to ~A.
4410
4411 2005-03-04  Ben Elliston  <bje@au.ibm.com>
4412
4413         * gcc.c (option_map): Add --coverage.
4414         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
4415         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
4416         * config/darwin.h: Pass -lgcov for `coverage'.
4417         * doc/invoke.texi (Debugging Options): Document --coverage.
4418
4419 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4420
4421         * gcse.c (bypass_block): Use find_edge wherever possible.
4422
4423 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
4424
4425         Fix PR debug/20253
4426
4427         * c-opts.c (c_common_parse_file): Call start_source_file
4428         and end_source_file at the approriate times.
4429
4430         * dwarf2out.c (dwarf2out_finish): Don't auto-end
4431         the main file, it will be done for us now.
4432
4433 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4434
4435         * fold-const.c (fold_ternary): New.
4436         (fold): Call fold_ternary on ternary expressions.  Remove
4437         handling of ternary expressions.
4438
4439 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4440
4441         PR tree-optimization/15784
4442         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4443         and -1 - A to ~A.
4444
4445 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
4446
4447         * config/rs6000/predicates.md (branch_comparison_operator):
4448         Convert from C block to conditional format.
4449
4450 2005-03-03  Jan Hubicka  <jh@suse.cz>
4451
4452         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
4453         and non-constant public variables.
4454
4455 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
4456
4457         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
4458         with LABEL_EXPR.
4459
4460         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
4461         EDGE_I.
4462
4463         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
4464         calls to release_ssa_name and release_phi_node.
4465
4466         * fold-const.c (fold): Remove handling of unary expressions.
4467
4468         * fold-const.c (fold_unary): Avoid directly using the original
4469         expression t as much as possible.
4470
4471 2005-03-03  Roger Sayle  <roger@eyesopen.com>
4472             Andrew Pinski  <pinskia@physics.uc.edu>
4473
4474         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
4475         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
4476
4477 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
4478
4479         Describe special registers SRP and MOF as allocatable registers.
4480         * config/cris/cris.c (cris_md_asm_clobbers): New function.
4481         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
4482         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
4483         TARGET_HAS_MUL_INSNS.
4484         (cris_print_operand) <case 'd'>: New case.
4485         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
4486         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
4487         define.
4488         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
4489         (REG_ALLOC_ORDER): Update for MOF.
4490         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
4491         SPECIAL_REGS.
4492         (GENERAL_REGS): No longer a define of ALL_REGS.
4493         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
4494         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4495         Adjust accordingly.
4496         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
4497         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
4498         (SECONDARY_RELOAD_CLASS): Define.
4499         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
4500         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
4501         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
4502         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
4503         (REGISTER_MOVE_COST): Define.
4504         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
4505         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
4506         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
4507         (CRIS_MOF_REGNUM): New define_constants.
4508         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
4509         special registers.
4510         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
4511         New patterns.
4512         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
4513         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
4514         Adjust for MOF being properly described as a register.
4515         (indir_to_reg_split): Name this split.  Conditionalize on the
4516         destination register being a general register.
4517         (movei): Conditionalize on on operands 0 and 1 having the same
4518         register class.
4519
4520 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
4521
4522         PR target/20277
4523         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
4524         -mcpu to override any other explicitly given flags.
4525
4526 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
4527
4528         * recog.c (verify_changes, confirm_change_group): New functions,
4529         broken out of apply_change_group.
4530         (apply_change_group): Use them.
4531         * recog.h (verify_change, confirm_change_group): Declare.
4532         * rtl.h (redirect_jump_2): Declare.
4533         * jump.c (redirect_exp, invert_exp): Delete.
4534         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
4535         (redirect_jump_2): New function, broken out of redirect_jump.
4536         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
4537         (invert_jump): Use invert_jump_1 and redirect_jump_2.
4538         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
4539
4540 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
4541
4542         * varasm.c (named_section): Use xstrdup rather than doing it by
4543         hand.
4544
4545         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
4546
4547 2005-03-02  Devang Patel  <dpatel@apple.com>
4548
4549         Undo PR tree-optimization/18815 fix.
4550
4551 2005-03-02  Devang Patel  <dpatel@apple.com>
4552
4553         PR tree-optimization/18815
4554         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4555         loops with zero exit edges.
4556
4557 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4558
4559         * cfg.c (connect_src, connect_dest, disconnect_src,
4560         disconnct_dest): New.
4561         (unchecked_make_edge, remove_edge, redirect_edge_succ,
4562         redirect_edge_pred): Use the new functions.
4563
4564         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4565         free_dominance_info only when needed.
4566
4567 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
4568
4569         PR target/20276
4570         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
4571         (reg_or_sub_cint64_operand): Same.
4572
4573 2005-03-02  Jeff Law  <law@redhat.com>
4574
4575         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
4576         CFG_ALTERED in the main DOM iteration loop.
4577
4578 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
4579
4580         PR c++/19916
4581         * varasm.c (initializer_constant_valid_p): Allow conversions
4582         between OFFSET_TYPEs.  Tidy.
4583
4584 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
4585
4586         * config/cris/cris.md ("return"): Remove epilogue delay list
4587         sanity check.
4588
4589 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
4590
4591         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
4592         for Thumb.
4593         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
4594
4595 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4596
4597         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
4598         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
4599         config/m68k/m68k.c, config/mips/mips.h,
4600         config/rs6000/rs6000-protos.h, doc/contrib.texi,
4601         doc/include/gcc-common.texi: Update copyright.
4602
4603         PR middle-end/18029 and PR middle-end/18030
4604         * expr.c (optimize_bitfield_assignment_op): Add a special case
4605         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
4606
4607         * fold-const.c (fold_unary): New.
4608         (fold): Call fold_unary on unary expressions.
4609
4610 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
4611
4612         * cgraph.h (struct cgraph_edge): Add prev_caller and
4613         prev_callee fields.
4614         (cgraph_node_remove_callees): Export.
4615         * cgraph.c (cgraph_create_edge): Initialize prev_caller
4616         and prev_callee.
4617         (cgraph_edge_remove_callee): New function.
4618         (cgraph_edge_remove_caller): Likewise.
4619         (cgraph_remove_edge): Use.
4620         (cgraph_redirect_edge_callee): Likewise.
4621         (cgraph_node_remove_callees): New function.
4622         (cgraph_node_remove_callers): Likewise.
4623         (cgraph_remove_node): Use.
4624         * tree-optimize.c (tree_rest_of_compilation): Use
4625         cgraph_node_remove_callees instead of manual loop.
4626         * cgraphunit.c (cgraph_finalize_function): Likewise.
4627         (cgraph_expand_function): Likewise.
4628         (cgraph_remove_unreachable_nodes): Likewise.
4629
4630 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
4631
4632         PR c/8927
4633         * c-tree.h (undeclared_variable, build_external_ref): Add extra
4634         argument.
4635         * c-decl.c (undeclared_variable): Take location as argument.
4636         * c-typeck.c (build_external_ref): Likewise.
4637         * c-parser.c (c_parser_postfix_expression): Pass location of
4638         identifier to build_external_ref.
4639
4640 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4641
4642         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
4643         CCEQ mode for branch_positive_comparison_operator test.
4644         * config/rs6000/predicates (branch_comparison_operator): Revert to
4645         define_predicate.
4646         (scc_comparison_operator): Same.
4647         (branch_positive_comparison_operator): Same.
4648
4649 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
4650
4651         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4652         (cris_delay_slots_for_epilogue): Remove.
4653         (save_last): Move into cris_target_asm_function_epilogue.
4654         (cris_target_asm_function_epilogue): Remove tests for file being
4655         NULL.
4656         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
4657         (cris_delay_slots_for_epilogue): Remove prototypes.
4658         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
4659         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
4660
4661 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4662
4663         * config/rs6000/predicates.md (branch_comparison_operator): Change
4664         to define_special_predicate.
4665         (scc_comparison_operator): Same.
4666         (branch_positive_comparison_operator): Same.
4667
4668 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
4669
4670         * Makefile.in (tree-ssa-sink.o): New.
4671         (OBJS-common): Add tree-ssa-sink.o.
4672         * common.opt: Add -ftree-sink
4673         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
4674         * timevar.def (TV_TREE_SINK): new timevar.
4675         * tree-flow.h (is_hidden_global_store): Prototype.
4676         * tree-optimize.c (init_tree_optimization_passes): Add
4677         pass_sink_code.
4678         * tree-pass.h (pass_sink_code): New.
4679         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
4680         for non-obvious global store store to is_hidden_global_store, and
4681         call that new function.
4682         * tree-ssa-sink.c: New file.
4683         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
4684         * doc/passes.texi: Document forward store motion.
4685         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
4686         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
4687         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
4688         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
4689
4690 2005-03-01  Per Bothner  <per@bothner.com>
4691
4692         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
4693         and we have a non-zero column-number, add it to the message.
4694         Also factor out the diagnostic_kind_text.
4695
4696 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4697
4698         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4699         flow_loop_pre_header_scan, flow_loop_pre_header_find,
4700         flow_loop_scan): Removed.
4701         (flow_loop_dump): Do not dump removed fields.
4702         (flow_loop_free): Do not free removed fields.
4703         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
4704         (loop_exit_edge_p): New function.
4705         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
4706         num_pre_header_edges, entry_edges, num_entries, exit_edges,
4707         num_exits, exits_doms.
4708         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
4709         LOOP_EDGES, LOOP_ALL): Removed.
4710         (flow_loop_scan): Declaration removed.
4711         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
4712         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
4713         flow_loops_find.
4714         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
4715         (if_convert): Call flow_loops_find and flow_loops_free
4716         when calling mark_loop_exit_edges.
4717         * cfgloopanal.c (mark_loop_exit_edges): Moved from
4718         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
4719         free_dominance_info calls.
4720         * loop-init.c (flow_loops_find): Ditto.
4721         * passes.c (rest_of_handle_branch_prob): Ditto.
4722         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
4723         * loop-unroll.c (analyze_insns_in_loop): Do not use
4724         EDGE_LOOP_EXIT.
4725         * predict.c (predict_loops): Do not call flow_loop_scan.
4726         Use get_loop_exit_edges.
4727         (tree_estimate_probability): Do not pass flags to flow_loops_find.
4728         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
4729         Do not use EDGE_LOOP_EXIT.
4730         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
4731         to bb_with_exit_edge_p.
4732         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
4733         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
4734         to bb_with_exit_edge_p.
4735         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
4736         EDGE_LOOP_EXIT.
4737         * tree-loop-linear.c (linear_transform_loops): Do not call
4738         flow_loop_scan.  Use loop->single_exit.
4739         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
4740         (vect_analyze_loop_form): Do not call flow_loop_scan.
4741         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
4742         loop->single_exit.
4743         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
4744         loop->single_exit.
4745         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4746         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4747         slpeel_tree_duplicate_loop_to_edge_cfg,
4748         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4749         Use loop_preheader_edge and loop->single_exit.  Do not call
4750         flow_loop_scan.
4751
4752 2005-03-01  Nick Clifton  <nickc@redhat.com>
4753
4754         * config/arm/arm.c (thumb_find_work_register): Check all of the
4755         argument registers to see if they are free, and a couple of
4756         special cases where the last argument register but can be proved
4757         to be available during the function's prologue.
4758         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
4759         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
4760         thumb_unexpanded_epilogue): Use unsigned long as the type for the
4761         register bit-mask.
4762         (thumb_compute_save_reg_mask): Likewise.  Also use
4763         thumb_find_work_register() to ensure that there is agreement about
4764         which work register is going to be used in the prologue.
4765         (thumb_output_function_prologue): Use unsigned long as the type
4766         for the register bit-mask.  Also delay pushing the link register if
4767         other high registers are going to be pushed.
4768         (thumb_compute_save_reg_mask, emit_multi_reg_push,
4769         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
4770         redundant prototypes.
4771
4772 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
4773
4774         PR target/19819
4775         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
4776         and after reload in REG+REG indexed addresses without REG_POINTER
4777         set in the base and not set in the index.
4778
4779 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4780
4781         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
4782         Don't undefine here.
4783         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
4784         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
4785         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4786         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
4787         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
4788         Delete.
4789         * config.gcc (sh*-*-linux*): Use config/linux.h.
4790
4791 2005-02-28  Dale Johannesen  <dalej@apple.com>
4792             Stan Shebs  <shebs@apple.com>
4793
4794         Rewrite of 64-bit Darwin structure-by-value pass/return.
4795         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
4796         intoffset, use_stack, named.
4797         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
4798         (rs6000_darwin64_record_arg_advance_flush):  New.
4799         (rs6000_darwin64_record_arg_advance_recurse): New.
4800         (rs6000_darwin64_record_arg_flush):  New.
4801         (rs6000_darwin64_record_arg_recurse):  New.
4802         (rs6000_darwin64_record_arg):  New.
4803         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
4804         (function_arg_boundary):  Handle 128-bit aligned structs.
4805         (function_arg_advance):  Rewrite darwin64 struct handling.
4806         (function_arg):  Call rs6000_darwin64_record_arg.
4807         (function_arg_partial_nregs):  Handle darwin64 structs.
4808         (rs6000_darwin64_function_value):  Remove.
4809         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
4810
4811 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4812
4813         PR tree-optimization/20216
4814         * tree-chrec.c (tree_fold_factorial): Delete.
4815         (tree_fold_binomial): Change argument list to take a return type
4816         and change the type of K to unsigned int.  Rewrite to avoid explicit
4817         evaluation of factorials, and (recursively) calling fold to perform
4818         compile-time arithmetic.  Return NULL on (internal) overflow.
4819         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
4820         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
4821         if any intermediate calculation overflows.
4822         (chrec_apply): Update call to chrec_evaluate.
4823
4824 2005-02-28  James E Wilson  <wilson@specifixinc.com>
4825
4826         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
4827
4828 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
4829
4830         PR c/20245
4831         * c-parser.c (c_parser_compound_statement): Return error_mark_node
4832         instead of NULL_TREE on error.
4833
4834 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
4835
4836         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
4837         (EASY_VECTOR_15_ADD_SELF): Remove.
4838         (num_insns_constant_wide): Not static.
4839         (validate_condition_mode): Not static.
4840         (toc_relative_expr_p): Not static.
4841         (legitimate_indirect_address_p): Not static.
4842         (macho_lo_sum_memory_operand): Not static.
4843         (invalid_e500_subreg): Not static.
4844         (easy_vector_same): Not static.
4845         (easy_vector_splat_const): Not static.
4846         (RS6000_SYMBOL_REF_TLS_P): Remove.
4847         (any_operand): Delete.
4848         (any_parallel_operand): Delete.
4849         (count_register_operand): Delete.
4850         (altivec_register_operand): Delete.
4851         (xer_operand): Delete.
4852         (s8bit_cint_operand): Delete.
4853         (short_cint_operand): Delete.
4854         (u_short_cint_operand): Delete.
4855         (non_short_cint_operand): Delete.
4856         (exact_log2_cint_operand): Delete.
4857         (gpc_reg_operand): Delete.
4858         (cc_reg_operand): Delete.
4859         (cc_reg_not_cr0_operand): Delete.
4860         (reg_or_short_operand): Delete.
4861         (reg_or_neg_short_operand): Delete.
4862         (reg_or_aligned_short_operand): Delete.
4863         (reg_or_u_short_operand): Delete.
4864         (reg_or_cint_operand): Delete.
4865         (reg_or_arith_cint_operand): Delete.
4866         (reg_or_add_cint64_operand): Delete.
4867         (reg_or_sub_cint64_operand): Delete.
4868         (reg_or_logical_cint_operand): Delete.
4869         (got_operand): Delete.
4870         (got_no_const_operand): Delete.
4871         (easy_fp_constant): Delete.
4872         (easy_vector_constant): Delete.
4873         (easy_vector_constant_add_self): Delete.
4874         (zero_constant): Delete.
4875         (zero_fp_constant): Delete.
4876         (volatile_mem_operand): Delete.
4877         (offsettable_mem_operand): Delete.
4878         (mem_or_easy_const_operand): Delete.
4879         (add_operand): Delete.
4880         (non_add_cint_operand): Delete.
4881         (logical_operand): Delete.
4882         (non_logical_cint_operand): Delete.
4883         (mask_operand): Delete.
4884         (mask_operand_wrap): Delete.
4885         (mask64_operand): Delete.
4886         (mask64_2_operand): Delete.
4887         (and64_operand): Delete.
4888         (and64_2_operand): Delete.
4889         (and_operand): Delete.
4890         (reg_or_mem_operand): Delete.
4891         (lwa_operand): Delete.
4892         (symbol_ref_operand): Delete.
4893         (call_operand): Delete.
4894         (current_file_function_operand): Delete.
4895         (input_operand): Delete.
4896         (rs6000_nonimmediate_operand): Delete.
4897         (rs6000_tls_symbol_ref): Delete.
4898         (save_world_operation): Delete.
4899         (restore_world_operation): Delete.
4900         (load_multiple_operation): Delete.
4901         (store_multiple_operation): Delete.
4902         (vrsave_operation): Delete.
4903         (mfcr_operation): Delete.
4904         (mtcrf_operation): Delete.
4905         (lmw_operation): Delete.
4906         (stmw_operation): Delete.
4907         (branch_comparison_operator): Delete.
4908         (branch_positive_comparison_operator): Delete.
4909         (scc_comparison_operator): Delete.
4910         (trap_comparison_operator): Delete.
4911         (boolean_operator): Delete.
4912         (boolean_or_operator): Delete.
4913         (min_max_operator): Delete.
4914         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
4915         (EASY_VECTOR_15): Moved to here.
4916         (EASY_VECTOR_15_ADD_SELF): Move to here.
4917         (PREDICATE_CODES): Delete.
4918         * config/rs6000/rs6000-protos.h: Delete predicate functions.
4919         Declare functions no longer static.
4920         * config/rs6000/predicates.md: New.
4921         * config/rs6000/rs6000.md: Include predicates.md
4922
4923 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
4924
4925         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
4926         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
4927         REG_ALWAYS_RETURN.
4928         * cfgrtl.c (need_fake_edge_p): Likewise.
4929         * combine.c (distribute_notes): Likewise.
4930         * emit-rtl.c (try_split): Likewise.
4931         * recog.c (peephole2_opimize): Likewise.
4932         * reg-notes.def (ALWAYS_RETURN): Remove.
4933         * rtl.h (LCT_ALWAYS_RETURN): Remove.
4934         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
4935         * tree.h (ECF_ALWAYS_RETURN): Remove.
4936
4937 2005-02-28  Roger Sayle  <roger@eyesopen.com>
4938
4939         PR middle-end/19874
4940         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
4941         between different machine modes is never a "useless" conversion.
4942
4943 2005-02-28  Geert Bosch  <bosch@gnat.com>
4944
4945         PR ada/15977
4946         * doc/contrib.texi: List contributors for Ada front end
4947
4948 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
4949
4950         * simplify-rtx.c (simplify_unary_operation_1,
4951         simplify_const_unary_operation): New, extracted from...
4952         (simplify_unary_operation): ... this one.
4953         (simplify_binary_operation_1,
4954         simplify_const_binary_operation): New, extracted from...
4955         (simplify_binary_operation): ... this one.
4956         * rtl.h (simplify_const_unary_operation,
4957         simplify_const_binary_operation): Add prototypes.
4958
4959 2005-02-28  Julian Brown  <julian@codesourcery.com>
4960
4961         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
4962         building libjava and caused PR regression/20228.
4963
4964 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
4965
4966         PR bootstrap/17383
4967         * Makefile.in (host_subdir): New.
4968         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
4969         * configure: Regenerate.
4970
4971 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
4972
4973         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
4974         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
4975         installation directory first.
4976
4977 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
4978
4979         PR target/19065.
4980         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
4981         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
4982         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
4983         * config/cris/cris.md: Tweak comments referring to Q.
4984         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
4985         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
4986         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
4987         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
4988         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
4989         Insert spaces in constraints to align alternatives vertically for
4990         readability.
4991         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
4992         operand 1: "M".
4993
4994 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4995
4996         PR rtl-optimization/17728
4997         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
4998         operand 0 from general_operand to move_dest_operand.
4999
5000 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5001
5002         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
5003         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5004         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
5005         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
5006
5007 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
5008
5009         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
5010         * configure: Regenerate.
5011         * libada-mk.in: Remove CC; rename
5012         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
5013
5014 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
5015
5016         PR tree-opt/20188
5017         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
5018         for the lhs, also walk over the tree.  Likewise for rhs.
5019
5020 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
5021
5022         * tree-ssa-dom.c (simple_iv_increment_p): New function.
5023         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
5024         Do not propagate value of iv before increment over the increment.
5025
5026 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
5027
5028         * c-parser.c: New file.
5029         * c-parse.in: Remove.
5030         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
5031         Remove.
5032         (c-parser.o): Add dependencies.
5033         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
5034         maintainer-clean, TAGS): Update.
5035         * c-config-lang.in (gtfiles): Update.
5036         * gengtype-lex.l: Don't handle "@@".
5037         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
5038         objc_build_synchronized, objc_begin_try_stmt,
5039         objc_begin_catch_clause, objc_finish_catch_clause,
5040         objc_build_finally_clause, objc_finish_try_stmt): New.
5041         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
5042         type_seen_p.
5043         (c_parse_init): Update comment.
5044         * c-decl.c (c_init_decl_processing): Update comment.
5045         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
5046         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
5047         new c_declspecs members.
5048
5049 2005-02-25  Julian Brown  <julian@codesourcery.com>
5050
5051         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5052         from being used for symbols with vague linkage when
5053         HAVE_GAS_COMDAT_GROUP is true.
5054
5055 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5056
5057         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
5058
5059 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
5060
5061         PR target/19930
5062         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
5063         (LIBGCC2_HAS_DF_MODE): New.
5064         (LIBGCC2_HAS_XF_MODE): New.
5065         (LIBGCC2_HAS_TF_MODE): New.
5066         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5067         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5068         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5069         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5070         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5071         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5072         and add _fixtfdi, _fixunstfdi, _floatditf
5073         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5074         L_fixunstfdi, L_floatditf.
5075         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5076         (LIBGCC2_HAS_TF_MODE): Define.
5077
5078 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5079
5080         PR tree-optimization/20204
5081         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5082         REWRITE_THIS_STMT markers on PHI nodes.
5083         (rewrite_initialize_block): Likewise.
5084
5085 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5086
5087         * version.c (version_string): Update to 4.1.
5088
5089 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5090
5091         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5092         Clarify that the alternative way doesn't work in GNU C++.
5093
5094 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5095
5096         PR tree-optimization/19937
5097         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5098         to the type of the induction variable.
5099
5100 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5101
5102         PR rtl-optimization/20117
5103         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5104         the block including noncopyable insn.
5105
5106 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5107
5108         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5109         calls to find_reg_note.
5110
5111 2005-02-24  Richard Henderson  <rth@redhat.com>
5112
5113         PR tree-opt/20127
5114         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5115         the type.
5116
5117 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5118
5119         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5120         vector types if to use base reg for misaligned non-word ld/std.
5121
5122 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5123
5124         PR target/14619
5125         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5126         dwarf2 label manually and put it after, not before the prologue.
5127
5128 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5129
5130         PR target/19019
5131         * reload.c (operands_match_p): Only increment register number for
5132         SCALAR_INT_MODE_P modes in multiple hard registers.
5133
5134         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5135         Fix formatting.
5136
5137 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5138
5139         * ChangeLog.5: Fix log message typo(s).
5140         * ChangeLog.7: Likewise.
5141         * ChangeLog.tree-ssa: Likewise.
5142         * cfgexpand.c: Fix comment typo(s).
5143         * conflict.c: Likewise.
5144         * defaults.h: Likewise.
5145         * dwarf2out.c: Likewise.
5146         * gcse.c: Likewise.
5147         * ggc-page.c: Likewise.
5148         * tree-eh.c: Likewise.
5149         * tree-ssa-dom.c: Likewise.
5150
5151 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5152
5153         PR target/19019
5154         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5155         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5156         if SHARED is defined.
5157
5158         PR target/20196
5159         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5160         allow splitting only if operands 0 and 3 don't overlap.
5161
5162 2005-02-24  Richard Henderson  <rth@redhat.com>
5163
5164         PR middle-end/19953
5165         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5166         (fold_builtin_1): Call them.
5167         * fold-const.c (fold_complex_mult_parts): Split out from ...
5168         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5169         (fold_complex_div_parts, fold_complex_div): New.
5170         (fold): Use them.
5171         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5172
5173 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5174
5175         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5176         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5177
5178         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5179         (print_node): Likewise.
5180         Print TYPE_SIZES_GIMPLIFIED.
5181
5182 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5183
5184         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5185         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5186         operands as commutative in constraints.
5187
5188 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5189
5190         * tree-into-ssa.c: Re-organize internal functions.
5191
5192 2005-02-24  Richard Henderson  <rth@redhat.com>
5193
5194         PR middle-end/18902
5195         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5196         for c99.
5197         * common.opt (fcx-limited-range): New.
5198         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5199         * toplev.c (flag_complex_method): Initialize to 1.
5200         (process_options): Set flag_complex_method to 0 if
5201         flag_cx_limited_range.
5202         * doc/invoke.texi (-fcx-limited-range): New.
5203
5204 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5205
5206         * cse.c (delete_trivially_dead_insns): Speed up by using
5207         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5208         prev_real_insn.
5209
5210 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5211
5212         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5213         functions when -mid-shared-library is being used.
5214
5215 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5216
5217         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5218         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5219         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5220         * system.h: Poison LINK_LIBGCC_SPECIAL.
5221
5222 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5223
5224         * gengtype.c (note_insn_name): Make 1 element larger.
5225
5226 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5227
5228         PR target/20018
5229         PR rtl-optimization/20097
5230         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5231         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5232
5233 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5234
5235         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5236         * t-aix52 (SHLIB_INSTALL): Same.
5237
5238 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5239
5240         * genpreds.c: Update copyright.
5241
5242 2005-02-23  Michael Beach  <michaelb@ieee.org>
5243
5244         PR target/20159
5245         * config/sparc/t-elf (startup files): Assemble with CPP.
5246
5247 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5248
5249         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5250         (write_predicate_expr): Likewise.
5251
5252 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5253
5254         PR tree-optimization/20100
5255         PR tree-optimization/20115
5256         * tree-optimize.c (init_tree_optimization_passes): Remove
5257         pass_maybe_create_global_var.
5258         * tree-pass.h (pass_maybe_create_global_var): Remove.
5259         * tree-ssa-alias.c (aliases_computed_p): Declare.
5260         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5261         (count_calls_and_maybe_create_global_var): Remove.
5262         (pass_maybe_create_global_var): Remove.
5263         (init_alias_info): Do not declare aliases_computed_p.
5264         (maybe_create_global_var): If the function contains no
5265         call-clobbered variables and a mix of pure/const and regular
5266         function calls, create .GLOBAL_VAR.
5267         Mark all call-clobbered variables for renaming.
5268         (merge_pointed_to_info): Update comment.
5269         (add_pointed_to_var): Likewise.
5270         (is_escape_site): Likewise.
5271         Accept struct alias_info * instead of size_t *.
5272         Update all users.
5273         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5274         as necessary.
5275         * tree-ssa-operands.c (get_call_expr_operands): If
5276         ALIASES_COMPUTED_P is false, do not add call-clobbering
5277         operands.
5278         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5279         (delete_tree_ssa): Likewise.
5280
5281 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5282
5283         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5284         (do_compile): Do call it here.
5285
5286 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5287
5288         PR rtl-optimization/20017.
5289         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5290         rest_of_handle_cse2, rest_of_handle_gcse): Call
5291         delete_dead_jumptables immediately before calling cleanup_cfg.
5292
5293 2005-02-22  Devang Patel  <dpatel@apple.com>
5294
5295         PR 19952
5296         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5297         all labels
5298
5299 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5300
5301         * config/rs6000/aix.h (WINT_TYPE): Define.
5302
5303 2005-02-22  Stan Shebs  <shebs@apple.com>
5304
5305         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5306         natural alignment for 64-bit Darwin.
5307         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5308         on 64-bit Darwin.
5309         * doc/invoke.texi: Document this.
5310
5311 2005-02-22  DJ Delorie  <dj@redhat.com>
5312
5313         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5314         to make_[un]signed_type, not the mode itself.
5315
5316 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5317
5318         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5319         not available.  Use tail calls wherever possible.
5320         (make_edge): Call unchecked_make_edge to create an edge.
5321
5322         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5323         (coalesce_ssa_name): Don't check for
5324         SSANORM_USE_COALESCE_LIST.
5325         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5326
5327 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5328
5329         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5330         (rewrite_into_ssa): ... here.
5331
5332 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5333
5334         PR tree-optimization/19786
5335         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5336         tag to another's may-alias bitmap when adding to the other's list.
5337
5338 2005-02-21  DJ Delorie  <dj@redhat.com>
5339
5340         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5341         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5342         registers in unsupported ways.
5343         * expmed.c (init_expmed): Likewise.
5344
5345 2005-02-21  Stan Cox  <scox@redhat.com>
5346
5347         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5348
5349 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5350
5351         * tree-cfg.c (fold_cond_expr_cond): New.
5352         (make_edges): Call fold_cond_expr_cond.
5353         (find_taken_edge): Accept nothing but INTEGER_CST.
5354         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5355         and 1.
5356         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5357
5358         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5359         that do not belong to any basic block.
5360
5361 2005-02-21  Jeff Law  <law@redhat.com>
5362
5363         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5364         e->dest.
5365
5366 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5367
5368         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5369         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
5370         Adjust their definitions.
5371         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
5372         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
5373
5374         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
5375         genautomata.c, langhooks.c, langhooks.h, system.h,
5376         config/arm/lib1funcs.asm: Update copyright.
5377
5378 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5379
5380         * dbxout.c (dbxout_function_end): Emit Lscope label always.
5381
5382 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
5383
5384         PR bootstrap/13770
5385         * doc/install.texi: Document --with-gc.
5386
5387 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
5388
5389         * simplify-rtx.c (simplify_unary_operation): Add a missing
5390         "break" statement.
5391
5392 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5393
5394         PR tree-optimization/18663
5395         * tree-ssa-dom.c (extract_range_from_cond): Return 0
5396         if the type has variable bounds.
5397
5398 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
5399
5400         * gcse.c: Remove an obsolete comment.
5401
5402         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
5403
5404 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
5405
5406         * doc/extend.texi (Function Attributes) <Attribute const>: The
5407         attribute "pure" is below this text, not above.
5408
5409 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5410
5411         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
5412         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
5413         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
5414
5415 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
5416
5417         PR 18785
5418         * langhooks.h (struct lang_hooks): Add to_target_charset.
5419         * langhooks.c (lhd_to_target_charset): New function.
5420         * langhooks-def.h: Declare lhd_to_target_charset.
5421         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
5422         (LANG_HOOKS_INITIALIZER): Update.
5423         * c-common.c (c_common_to_target_charset): New function.
5424         * c-common.h: Declare it.
5425         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
5426         c_common_to_target_charset.
5427
5428         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
5429         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
5430         Delete definitions.
5431         * system.h: Poison them.
5432         * doc/tm.texi: Don't discuss them.
5433         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
5434         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
5435         (pp_c_char): Do not attempt to generate letter escapes for
5436         newline, tab, etc.
5437         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
5438         * config/mips/mips.c (mips_output_ascii): Likewise.
5439
5440 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
5441
5442         PR tree-optimization/19951
5443         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
5444         is abnormal.
5445
5446 2005-02-19  Steven Bosscher  <stevenb@suse.de>
5447
5448         PR middle-end/19698
5449         * function.h (struct function): New field `max_loop_depth'.
5450         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
5451         (flow_loops_find): Reset the max loop depth count before finding loops.
5452         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
5453         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
5454         (calculate_global_regs_live): Make sure the loop will terminate
5455         when the initial sets are not empty.
5456
5457 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
5458
5459         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
5460         object inside.
5461         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
5462
5463 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
5464
5465         PR other/19525
5466         * doc/invoke.texi: Remove documentation of %M spec.
5467         * gcc.c: Likewise.
5468         (init_spec): Remove %M suffix from -lgcc_s.
5469         (do_spec_1): Remove 'M' case.
5470         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
5471         to put shared libraries in the multilib directory.  Remove the
5472         shlib_so_soname substitution variable.  Don't add a multilib encoding
5473         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
5474         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
5475         SHLIB_INSTALL as well as SHLIB_LINK.
5476         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
5477         (SHLIB_NAME): Delete.
5478         (SHLIB_DIR): New macro.
5479         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
5480         (SHLIB_INSTALL): Adjust accordingly.
5481         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
5482         * config/t-slibgcc-sld: Likewise.
5483         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
5484         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
5485         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
5486         in $(SHLIB_DIR).
5487         (SHLIBUNWIND_INSTALL): Adjust accordingly.
5488         * config/i386/t-nwld (SHLIB_SONAME): Delete.
5489         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
5490         Use @shlib_base_name@ instead of @shlib_so_name@.
5491         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
5492         and @shlib_base_name@.so in @multilib_dir@.
5493         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
5494         to the install path.
5495         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
5496         (SHLIB_LINK): Remove previous workaround.
5497         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
5498         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
5499         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
5500         the install path.
5501         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
5502         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
5503         (SHLIB_INSTALL): Adjust accordingly.
5504         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
5505         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
5506         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
5507         config/t-slibgcc-elf-ver.
5508
5509 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
5510             Jakub Jelinek  <jakub@redhat.com>
5511
5512         PR tree-optimization/19828
5513         * tree-ssa-loop-im.c: Add a TODO comment.
5514         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
5515         without side-effects.
5516
5517 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5518
5519         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
5520         call fold_convert.
5521
5522 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
5523
5524         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
5525         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
5526         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
5527         functions.
5528         (ia64_reorg): Delete fixup_errata call.
5529         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
5530         (TARGET_SWITCHES): Delete -mb-step entry.
5531
5532 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
5533
5534         PR c/20043
5535         * c-typeck.c (composite_type): Handle quals in transparent unions.
5536         (type_lists_compatible_p): Likewise.
5537
5538 2005-02-18  Stan Shebs  <shebs@apple.com>
5539
5540         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
5541         expressions in the .literal8 section.
5542
5543 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
5544
5545         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
5546
5547 2005-02-18  Roger Sayle  <roger@eyesopen.com>
5548
5549         * fold-const.c (constant_boolean_node): Always create values of the
5550         specified type, don't bother calling truthvalue_conversion.
5551
5552 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5553
5554         * except.c (output_function_exception_table): Call
5555         assemble_external_libcall (eh_personality_libfunc).
5556
5557 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5558
5559         PR target/19886
5560         * config/ia64/ia64.h (struct machine_function): Add state_num.
5561         * config/ia64/ia64.c (process_epilogue,
5562         process_for_unwind_directive): Use new unwind state numbers each
5563         time rather than state 1.
5564
5565 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
5566
5567         PR target/20054
5568         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
5569         before the "*llgt_didi" pattern.
5570
5571 2005-02-18  Jason Merrill  <jason@redhat.com>
5572
5573         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
5574
5575 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
5576
5577         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
5578         (div0): Use it in place of ARM_FUNC_ALIAS.
5579         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
5580
5581 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
5582
5583         PR middle-end/20030
5584         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
5585         access, the lower bound of the array type if it exists.
5586
5587 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
5588
5589         PR c++/20008
5590         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
5591         cases that are out-of-range for the index type.
5592
5593 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5594
5595         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
5596         (estimate_case_costs): Don't call convert.
5597         * expmed.c (expand_shift): Likewise.
5598         (make_tree): Call fold_convert instead of convert.
5599
5600 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5601
5602         PR c++/19813
5603         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
5604         that ref to be marked MEM_READONLY_P doesn't have base that needs
5605         constructing.
5606
5607 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5608
5609         * genautomata.c (output_get_cpu_unit_code_func,
5610         output_cpu_unit_reservation_p): Don't generate old-style function
5611         definitions.
5612
5613 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5614
5615         PR c++/20023
5616         PR tree-optimization/20009
5617         * convert.c (convert_to_integer): Revert 2005-02-16 change.
5618
5619         PR tree-optimization/18947
5620         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5621         inline, remove all nodes that are inlined into the extern inline
5622         being redefined.
5623
5624 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5625
5626         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
5627         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
5628         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
5629         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
5630         Update copyright.
5631
5632 2005-02-17  Roger Sayle  <roger@eyesopen.com>
5633
5634         PR tree-optimization/19917
5635         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
5636         to be potentially trapping.
5637
5638 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5639
5640         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
5641
5642 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5643
5644         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
5645         tem becomes a local variable which is set to the value of the
5646         back end defined INITIAL_FRAME_ADDRESS macro.
5647         (expand_builtin_frame_address): Omit the base parameter to
5648         expand_builtin_return_addr.
5649         (expand_builtin_profile_func): Likewise.
5650         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
5651         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
5652         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
5653
5654 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
5655
5656         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
5657         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
5658         * config/frv/frv.c (frv_function_epilogue): Likewise.
5659
5660 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
5661
5662         * lambda-code (perfect_nestify): Remove mark/unmark
5663         for rewriting hack.
5664         * tree-loop-linear.c (linear_transform_loops): Add
5665         rewrite_into_ssa call so that ssa is correct for
5666         rewriting into loop closed.
5667
5668 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
5669
5670         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
5671         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
5672         BITMAP_FREE.
5673         * bt-load.c (btr_def_live_range, combine_btr_defs,
5674         migrate_btr_def, migrate_btr_defs): Likewise.
5675         * cfgcleanup.c (thread_jump): Likewise.
5676         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
5677         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
5678         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
5679         df_rd_local_compute, df_reg_info_compute): Likewise.
5680         * dominance.c (init_dom_info, free_dom_info): Likewise.
5681         * flow.c (init_propagate_block_info,
5682         free_propagate_block_info): Likewise.
5683         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
5684         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
5685         modify_reg_pav): Likewise.
5686         * loop-invariant.c (find_defs, find_invariant_insn,
5687         find_invariants, free_inv_motion_data): Likewise.
5688         * predict.c (tree_predict_by_opcode,
5689         estimate_bb_frequencies): Likewise.
5690         * stmt.c (expand_case): Likewise.
5691         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
5692         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
5693         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
5694         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
5695         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
5696         rewrite_ssa_into_ssa): Likewise.
5697         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5698         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
5699         analyze_edges_for_bb, perform_edge_inserts): Likewise.
5700         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
5701         * tree-sra.c (tree_sra): Likewise.
5702         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
5703         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5704         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
5705         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
5706         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
5707         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
5708         Likewise.
5709         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
5710         calculate_live_on_entry, calculate_live_on_exit,
5711         build_tree_conflict_graph): Likewise.
5712         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
5713         record_important_candidates, set_use_iv_cost, find_depends,
5714         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
5715         tree_ssa_iv_optimize_finalize): Likewise.
5716         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
5717         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
5718         tree_duplicate_loop_to_header_edge): Likewise.
5719         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
5720         * tree-ssa.c (verify_flow_insensitive_alias_info,
5721         verify_name_tags, verify_ssa, init_tree_ssa,
5722         delete_tree_ssa): Likewise.
5723         * tree-ssanames.c (marked_ssa_names, init_ssanames,
5724         fini_ssanames): Likewise.
5725         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
5726
5727 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
5728
5729         * config/rs6000/t-rtems: Completely reworked.
5730
5731 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5732
5733         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
5734
5735 2005-02-17  Ira Rosen  <irar@il.ibm.com>
5736
5737         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
5738         POINTER_TYPE_P when checking that type is a pointer.
5739         (vect_get_memtag): Remove.
5740         (vect_address_analysis): Use POINTER_TYPE_P. Call
5741         vect_object_analysis with dummy parameter for memtag.
5742         (vect_object_analysis): Extract memtag (functionality that
5743         used to be in vect_get_memtag and moved here). Fix printings.
5744         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
5745         with correct parameters. Remove call to vect_get_memtag.
5746
5747 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
5748
5749         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
5750         (tree-vectorizer.o): Added missing dependencies.
5751
5752         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
5753         decleration.
5754         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
5755         declaration in tree-vectorizer.c, now has an extern declaration in
5756         tree-vectorizer.h).
5757         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5758         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5759         get_vectype_for_scalar_type, vect_is_simple_use,
5760         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5761         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
5762         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
5763         vectorizable_store, vectorizable_operation, vectorizable_assignment,
5764         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
5765         find_loop_location): Likewise.
5766
5767         * tree-vectorizer.c (langhooks.h): #include removed.
5768         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
5769         moved to tree-vectorized.h.
5770         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5771         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
5772         get_vectype_for_scalar_type, vect_is_simple_use,
5773         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
5774         vect_supportable_dr_alignment, new_loop_vec_info,
5775         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
5776         vect_set_verbosity_level, find_loop_location): Likewise.
5777
5778         (vect_analyze_loop): Function externalized. Declaration moved to
5779         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
5780         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
5781         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
5782         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
5783         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
5784         vect_enhance_data_refs_alignment, vect_analyze_operations,
5785         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
5786         vect_stmt_relevant_p, vect_get_loop_niters,
5787         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
5788         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
5789         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
5790         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
5791         vect_get_memtag): Likewise.
5792
5793         (vectorizable_load): Function externalized. Declaration moved to
5794         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
5795         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
5796         vect_transform_loop): Likewise.
5797         (vect_transform_stmt): Moved to tree-vect-transform.c.
5798         (vect_align_data_ref, vect_create_destination_var,
5799         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
5800         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
5801         vect_get_vec_def_for_operand, vect_init_vector,
5802         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
5803         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
5804         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
5805         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
5806         vect_do_peeling_for_loop_bound): Likewise.
5807
5808         * tree-vect-analyze.c: New file.
5809         * tree-vect-transform.c: New file.
5810
5811 2005-02-17  Jason Merrill  <jason@redhat.com>
5812
5813         PR mudflap/19319, c++/19317
5814         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
5815         slot explicit.
5816
5817 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
5818
5819         * doc/install.texi (Specific): Update link for Darwin-specific
5820         tool binary site.
5821
5822 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
5823
5824         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
5825         constant_boolean_node.
5826
5827 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
5828
5829         PR target/19019
5830         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
5831         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
5832
5833 2005-02-16  Richard Henderson  <rth@redhat.com>
5834
5835         PR 19920
5836         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
5837         with W_TYPE_SIZE.
5838         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
5839         replace uses with Wtype_MAXp1_F.
5840         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
5841         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
5842         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
5843         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
5844         and HAVE_TFMODE as appropriate.
5845         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
5846         (__floatdisf): Likewise.
5847         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
5848         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
5849         (Wtype_MAXp1_F): New.
5850         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
5851         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
5852
5853 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
5854
5855         * PR target/19162
5856         * arm.c (arm_apply_result_size): New function.
5857         * arm.h (APPLY_RESULT_SIZE): Define.
5858         * arm-protos.h (arm_apply_result_size): Add prototype.
5859         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
5860         (movxf): New expand.
5861         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
5862         (call_value_symbol): Remove predicate for operand 0.
5863         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
5864         (untyped_call): Rework to correclty return values for any type.
5865         (untyped_return): New expand.
5866         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
5867
5868 2005-02-16  Stan Shebs  <shebs@apple.com>
5869
5870         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
5871         * config/rs6000/t-darwin8: New, for 64-bit multilib.
5872
5873 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5874
5875         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
5876         configure settings on Solaris 7 and later.
5877
5878 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
5879
5880         PR tree-optimization/19865
5881         * tree-optimize.c (init_tree_optimization_passes): Run
5882         pass_may_alias after pass_sra.
5883
5884 2005-02-16  Richard Henderson  <rth@redhat.com>
5885             Stuart Hastings  <stuart@apple.com>
5886
5887         PR debug/19521
5888         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
5889         Do nothing if debug info suppressed for this function.
5890         (dbxout_begin_function): Early exit if debug info suppressed for
5891         this function.
5892
5893 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
5894
5895         PR target/20007
5896         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
5897         find_basic_blocks.
5898         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
5899
5900         PR tree-optimization/19967
5901         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
5902         expand_builtin_strchr, expand_builtin_strrchr): Take a new
5903         argument TYPE.  Adjust calls to fold_builtin_XXX.
5904         (expand_builtin, fold_builtin_1): Adjust calls to
5905         expand_builtin_XXX.
5906         (fold_builtin_strchr, fold_builtin_strpbrk,
5907         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
5908         result to a requested type TYPE.
5909
5910 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
5911
5912         PR middle-end/19857
5913         * fold-const.c (fold): Don't optimize (T)(x & cst) to
5914         (T)x & (T)cst if (T)cst overflows.
5915         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
5916         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
5917
5918 2005-02-15  Jeff Law  <law@redhat.com>
5919
5920         * gcse.c (blocks_with_calls): New bitmap.
5921         (alloc_gcse_mem): Allocate it.
5922         (free_gcse_mem): Free it.
5923         (clear_modifY_mem_tables): Clear it.
5924         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
5925         when we encounter CALL_INSNs.
5926         (compute_transp, case MEM): Handle blocks with calls separate
5927         from blocks without calls.  Use bitmap iterators rather than
5928         FOR_EACH_BB.
5929
5930 2005-02-15  Peter O'Gorman  <peter@pogma.com>
5931
5932         PR bootstrap/18810
5933         * mklibgcc.in (vis_hide): Use a temporary object file, not
5934         -o /dev/null.
5935
5936 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5937
5938         PR target/19924
5939         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
5940         access optimization.
5941
5942 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
5943             Alan Modra  <amodra@bigpond.net.au>
5944
5945         PR target/19019
5946         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
5947         (_xlqsub): Rename to __gcc_qsub.
5948         (_xlqmul): Rename to __gcc_qmul.
5949         (_xlqdiv): Rename to __gcc_qdiv.
5950         Provide versioned symbol aliases with old names.
5951         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
5952         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
5953         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
5954         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
5955         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
5956
5957 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5958
5959         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
5960         Fold ~(A - 1) and ~(A + -1) to -A.
5961
5962 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
5963
5964         PR pch/14940
5965         PR target/19300
5966         * config/host-linux.c (linux_gt_pch_use_address): Copy from
5967         config/pa/pa-host.c:pa_gt_pch_use_address.
5968
5969 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
5970
5971         * tree-vn.c (get_value_handle): Make sure that given an
5972         is_gimple_min_invariant expression, we always return it.
5973
5974 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5975
5976         * passes.c (rest_of_handle_gcse): Fix a comment.
5977
5978 2005-02-15  Jeff Law  <law@redhat.com>
5979
5980         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
5981         bitmap.
5982         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
5983         (canon_list_insert, record_last_mem_set_info): Similarly.
5984         (clear_modify_mem_tables): Similarly.
5985
5986 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
5987
5988         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
5989         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
5990         config/mips/mips.md, config/rs6000/aix.h,
5991         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
5992
5993 2005-02-15  Richard Henderson  <rth@redhat.com>
5994
5995         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
5996         call to be best_edge.
5997
5998 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5999
6000         * basic-block.h: Adjust the prototype for find_basic_blocks.
6001         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
6002         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
6003         find_basic_blocks.
6004
6005         * flow.c (recompute_reg_usage): Remove all arguments.
6006         * passes.c (rest_of_compilation): Adjust the call to
6007         recompute_reg_usage.
6008         * rtl.h: Adjust the prototype for recompute_reg_usage.
6009
6010 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
6011
6012         * tree-dump.c (dump_files): Update to reflect new member
6013         of dump_file_info.
6014         (dump_register): Add new argument.
6015         Set glob name.
6016         (dump_switch_p_1): Check against glob name if doglob was passed.
6017         (dump_switch_p): Check against regular first, then glob if
6018         we didn't have any hits on the dump name.
6019         * tree-optimize.c (register_one_dump_file):
6020         Pass in glob name as well.
6021         * tree-pass.h (struct dump_file_info): Add glob
6022         member.
6023
6024 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
6025
6026         PR preprocessor/16323
6027         * doc/invoke.texi: Document that -Wendif-labels is on by default.
6028
6029 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
6030
6031         PR target/19019
6032         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
6033         (trunctfdf2_internal1): New.
6034         (trunctfdf2_internal2): Renamed from trunctfdf2.
6035
6036 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
6037
6038         PR tree-optimization/19853
6039         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
6040
6041 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6042
6043         * passes.c (rest_of_handle_loop_optimize): Remove calls to
6044         delete_dead_jumptables and cleanup_cfg.
6045
6046 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
6047
6048         * reload.c (find_reloads): Swap address_reloaded flags when
6049         swapping commutative operands.
6050
6051 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
6052
6053         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
6054         Use standard_iv_increment_position for computing the bsi position
6055         for create_iv.
6056         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
6057         the bsi position.
6058
6059 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
6060
6061         PR target/17428
6062         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
6063         life range of hard registers.
6064         * value-prof.c (insn_prefetch_values_to_profile): Only
6065         scan normal insns.
6066
6067         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6068         profile in libcalls.
6069
6070 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6071
6072         * bitmap.h (bitmap_and_compl_into): Return bool.
6073         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6074
6075 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6076
6077         PR tree-optimization/19944
6078         * fold-const.c (fold): Re-add ABS_EXPR folding.
6079
6080 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6081
6082         PR target/19019
6083         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6084         {TARGET,MASK}_XL_COMPAT.
6085         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6086         MASK_XL_COMPAT.
6087         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6088         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6089         TARGET_XL_COMPAT.
6090         (rs6000_arg_partial_bytes): Same.
6091         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6092         and XL compatibility enabled.
6093         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6094         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6095         test to final condition.
6096         (cmptf_internal2): New.
6097         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6098         xl-compat.  Add TFmode information to description.
6099
6100 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6101
6102         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6103
6104 2005-02-13  Jason Merrill  <jason@redhat.com>
6105
6106         PR c++/16405
6107         * fold-const.c (fold_indirect_ref_1): Split out from...
6108         (build_fold_indirect_ref): Here.
6109         (fold_indirect_ref): New fn.
6110         * tree.h: Declare it.
6111         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6112         (gimplify_modify_expr_rhs): Likewise.
6113         (gimplify_expr): Likewise.
6114
6115 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6116
6117         PR tree-optimization/14303
6118         PR tree-optimization/15784
6119         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6120         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6121         ABS_EXPR<x> != 0 to x != 0.
6122
6123 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6124
6125         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6126         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6127         spelling conventions.
6128
6129         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6130         delete_trivially_dead_insns too many times.
6131
6132         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6133         tem and tem2.
6134
6135 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6136
6137         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6138         (vect_is_simple_iv_evolution): Remove redundant parameter
6139         and step check.
6140         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6141         without last parameter.
6142         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6143         Return pointer step. Call vect_is_simple_iv_evolution without
6144         last parameter. Check only that the step is multiple of size
6145         type. Remove stmt_vinfo updates.
6146         (vect_get_memtag_and_dr): Remove.
6147         (vect_get_memtag): New function.
6148         (vect_address_analysis): New function.
6149         (vect_object_analysis): New function.
6150         (vect_analyze_data_refs): Call vect_object_analysis and
6151         vect_get_memtag. Update stmt_vinfo fields.
6152
6153 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6154
6155         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6156         exist and are objects. Remove checks for pointer.
6157         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6158         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6159         (vect_create_data_ref_ptr): Likewise.
6160         (vect_base_addr_differ_p): New function.
6161         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6162         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6163         Don't set the DR_BASE_NAME field of data-ref.
6164         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6165
6166 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6167
6168         * optabs.h (enum optab_index): Add new OTI_ldexp.
6169         (ldexp_optab): Define corresponding macro.
6170         * optabs.c (init_optabs): Initialize ldexp_optab.
6171         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6172         patterns.
6173         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6174         using ldexp_optab.
6175         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6176         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6177
6178         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6179         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6180         intrinsics.
6181
6182 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6183
6184         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6185         to base_address.
6186         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6187         stmt_vec_info.
6188         (vect_get_base_and_offset): Always return an address.
6189         (vect_create_addr_base_for_vector_ref): Remove treatment for
6190         different data reference types.
6191         (vect_compute_data_ref_alignment): Rename base to base_address in
6192         stmt_vec_info. Get the object in order to force its alignment.
6193         (vect_get_memtag_and_dr): Rename base to base_address in
6194         stmt_vec_info. Extract the object for memtag analysis.
6195
6196 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6197
6198         PR regression/19898.
6199         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6200         changes cc_status, use apply modified_in_p to part of cc_status
6201         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6202         body.
6203
6204 2005-02-11  Richard Henderson  <rth@redhat.com>
6205
6206         * tree-complex.c (expand_complex_libcall): New.
6207         (expand_complex_multiplication): Use it for c99 compliance.
6208         (expand_complex_division): Likewise.
6209         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6210         (fold): Call them.
6211         * builtins.c (built_in_names): Remove const.
6212         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6213         builtins.
6214         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6215         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6216         (built_in_names): Remove const.
6217         * c-common.c (c_common_type_for_mode): Handle complex modes.
6218         * flags.h, toplev.c (flag_complex_method): Rename from
6219         flag_complex_divide_method.
6220         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6221         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6222         * libgcc2.h: Declare them.
6223         * libgcc-std.ver: Export them.
6224         * mklibgcc.in (lib2funcs): Build them.
6225
6226 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6227
6228         PR tree-optimization/19876
6229         Partially revert my change from 2005-01-14
6230         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6231         (compute_antic): ...and remove the loop here.
6232
6233 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6234
6235         PR middle-end/19858
6236         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6237         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6238
6239         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6240         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6241
6242 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6243
6244         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6245         offsets for the big-endian 32-bit case.
6246
6247 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6248
6249         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6250
6251 2005-02-11  Dale Johannesen  <dalej@apple.com>
6252
6253         * cselib.c (cselib_process_insn):  Clear out regs where
6254         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6255         * reload.c (find_equiv_reg): Ditto.
6256
6257 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6258
6259         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6260         with no elements.
6261
6262         * tree.c (build_function_type_list): Work correctly if there are
6263         no arguments.
6264
6265 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6266
6267         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6268         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6269         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6270         TARGET_ZARCH instead of TARGET_64BIT.
6271
6272 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6273
6274         * config/rs6000/t-rtems:
6275         (MULTILIB_OPTIONS): Remove mcpu=602.
6276         (MUTLILIB_DIRNAMES): Remove m602.
6277         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6278         Let mcpu=602 match mcpu=603.
6279         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6280
6281 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6282
6283         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6284         signal trampolines.
6285
6286 2005-02-10  David Daney  <ddaney@avtrex.com>
6287
6288         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6289         * config/i386/linux-unwind.h: Likewise.
6290         * config/ia64/linux-unwind.h: Likewise.
6291         * config/mips/linux-unwind.h: Likewise.
6292         * config/pa/linux-unwind.h: Likewise.
6293         * config/rs6000/linux-unwind.h: Likewise.
6294         * config/s390/linux-unwind.h: Likewise.
6295         * config/sh/linux-unwind.h: Likewise.
6296         * config/sparc/linux-unwind.h: Likewise.
6297
6298 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6299
6300         PR tree-optimization/17549
6301         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6302         TER to replace a DEF with its expression if the DEF and the
6303         rhs of the expression we replace into have the same root
6304         variable.
6305
6306 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6307
6308         * config/mips/mips.md: Fix the placement of the match_scratch in the
6309         lea64 peephole2.
6310
6311 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6312
6313         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6314         Fix comment typos.
6315
6316 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6317
6318         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6319         (strip_offset): Handle addresses.
6320         (add_address_candidates): Use strip_offset.
6321         (difference_cost): Reflect strip_offset change.
6322         (force_var_cost, difference_cost): Strip nops.
6323
6324 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6325
6326         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6327
6328         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6329         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6330         config/cris/cris-protos.h, config/cris/cris.c: Update
6331         copyright.
6332
6333 2005-02-10  Jeff Law  <law@redhat.com>
6334
6335         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6336         (lookup_avail_expr): Similarly.
6337
6338 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6339
6340         * builtins.c (fold_builtin_powi): New function.
6341         (fold_builtin_1): Call it.
6342
6343 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6344
6345         PR documentation/19309
6346         * doc/cpp.texi: The __GNUC__ and related predefined macros
6347         are also defined for the "standalone" cpp.
6348         Some non-GCC compilers may also define __GNUC__.
6349
6350 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6351
6352         PR c/19342
6353         * c-typeck.c (common_type): New routine.  Old common_type renamed
6354         to...
6355         (c_common_type): ...this.
6356         (build_conditional_expr, build_binary_op): Use c_common_type instead
6357         of common_type.
6358
6359 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6360
6361         * doc/md.texi: Replace @samp{length} with @code{length}.
6362
6363 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6364
6365         PR tree-optimization/18687
6366         * tree-flow.h (find_loop_niter): Declare.
6367         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6368         Try using scev even for loops with more than one exit.
6369         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
6370         (struct ivopts_data): Added niters field.
6371         (struct nfe_cache_elt): New.
6372         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
6373         functions.
6374         (tree_ssa_iv_optimize_init): Initialize niters cache.
6375         (determine_number_of_iterations): Removed.
6376         (find_induction_variables): Do not call determine_number_of_iterations.
6377         Access niters for single exit through niter_for_single_dom_exit.
6378         (add_iv_outer_candidates): Access niters for single exit through
6379         niter_for_single_dom_exit.
6380         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
6381         number_of_iterations_cond.
6382         (iv_period): New function.
6383         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
6384         (may_replace_final_value): Take data argument.  Use
6385         niter_for_single_dom_exit.
6386         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
6387         (rewrite_use_compare): Pass data to may_eliminate_iv.
6388         (rewrite_use_outer): Pass data to may_replace_final_value.
6389         (free_loop_data): Clean up the niters cache.
6390         (tree_ssa_iv_optimize_finalize): Free the niters cache.
6391         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
6392         * tree-ssa-loop-niter.c (find_loop_niter): New function.
6393         (find_loop_niter_by_eval): Use tree_int_cst_lt.
6394         (num_ending_zeros): Moved to tree.c.
6395         * tree.h (num_ending_zeros): Declare.
6396         * tree.c (num_ending_zeros): Moved from tree.c.
6397
6398 2005-02-09  Richard Henderson  <rth@redhat.com>
6399
6400         * builtins.c (DEF_BUILTIN): Add COND argument.
6401         * tree.h (DEF_BUILTIN): Likewise.
6402         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
6403         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
6404         match.
6405         (DEF_BUILTIN_STUB): New.
6406         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
6407         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
6408         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
6409         * c-common.c (DEF_BUILTIN): Add COND argument.
6410         * tree.c (local_define_builtin): New.
6411         (build_common_builtin_nodes): New.
6412
6413 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6414
6415         * fold-const.c (fold_strip_sign_ops): New function to simplify a
6416         floating point expression ignoring the sign of the result.
6417         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
6418         (fold) <MULT_EXPR>: Use it to simplify x*x.
6419         * tree.h (fold_strip_sign_ops): Prototype here.
6420         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
6421         argument.  Use fold_strip_sign_ops to simplify the first argument.
6422         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
6423         first argument when the second argument is an even integer
6424         constant, but only with -funsafe_math_optimizations.
6425         (fold_builtin_1): Update call to fold_builtin_copysign.
6426
6427 2005-02-09  Ian Lance Taylor  <ian@airs.com>
6428
6429         PR middle-end/19583
6430         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
6431         just check whether EH_FILTER_FAILURE falls through.
6432
6433 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
6434
6435         * gcc/haifa-sched.c (schedule_block): Make queued sched group
6436         insns return to ready list in the next turn.
6437
6438 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6439
6440         PR middle-end/19402
6441         * builtins.def: New __builtin_powi[lf].
6442         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
6443         (expand_builtin_powi): New function.
6444         (expand_builtin): Dispatch to expand_builtin_powi.
6445         * libgcc2.h: Add prototypes for __builtin_powi[lf].
6446         * libgcc2.c: Add __builtin_powi[lf] implementation.
6447         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
6448         * optabs.h: Add powi_optab.
6449         * optabs.c (init_optabs): Initialize powi_optab.
6450         * doc/extend.texi: Document __builtin_powi[lf].
6451
6452 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
6453
6454         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
6455         exists.
6456
6457 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6458
6459         PR middle-end/19854
6460         * fold-const.c (try_move_mult_to_index): Remove redundant
6461         type argument.  Create ADDR_EXPR with correct type.
6462         (fold): Update callers of try_move_mult_to_index.  Convert
6463         result to the appropriate type.
6464
6465 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6466
6467         PR target/19597
6468         * config/avr/avr.c (default_rtx_costs): Delete.
6469         (avr_operand_rtx_cost): New function.
6470         (avr_rtx_costs): Completely rewrite.
6471
6472 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
6473
6474         PR target/19806
6475         * config/cris/cris.c (in_code): New variable.
6476         (cris_output_addr_const): Now a static function, a wrapper for
6477         output_addr_const.
6478         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
6479         case from old cris_output_addr_const.
6480         (cris_asm_output_label_ref): Similar for LABEL_REF.
6481         (cris_output_addr_const_extra): Similar for UNSPEC.
6482         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
6483         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
6484         * config/cris/cris-protos.h (cris_output_addr_const): Remove
6485         declaration.
6486         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
6487         (cris_asm_output_label_ref): Declare.
6488
6489 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
6490
6491         PR preprocessor/19801
6492         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
6493         filenames that changed when libcpp was moved to the toplevel.
6494
6495 2005-02-07  Roger Sayle  <roger@eyesopen.com>
6496
6497         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6498         zero extensions of BImode operands.  Call lowpart_subreg instead
6499         of gen_lowpart_common and gen_lowpart_SUBREG.
6500
6501 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
6502
6503         PR ada/19489
6504         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
6505         * configure.ac: Set cc_for_cross_gnattools.
6506         * configure: Regenerate.
6507
6508 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
6509
6510         PR target/19803
6511         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
6512
6513 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6514
6515         PR debug/19327
6516         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
6517         of nested functions.
6518
6519 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
6520
6521         * doc/extend.texi: Document deprecated extensions allowing
6522         static floating-point members to have initializers and allowing
6523         floating-point literals in integral constant expressions.
6524
6525 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
6526
6527         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
6528         config/darwin7.h, config/mips/mips.c,
6529         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
6530         Update copyright.
6531
6532         * cse.c: Update comments.
6533
6534 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
6535
6536         PR middle-end/19775
6537         * builtins.c (fold_builtin_sqrt): Transform
6538         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
6539         pow(x,y*0.5).
6540
6541 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
6542             Dorit Naishlos  <dorit@il.ibm.com>
6543
6544         * doc/invoke.texi (ftree-vectorizer-verbose): New.
6545         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
6546         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
6547         was added.
6548         * tree.h (vect_set_verbosity_level): New extern function declaration
6549         added.
6550         * tree-vectorizer.h (verbosity_levels): New enum type.
6551         * tree-vectorizer.c (vect_debug_stats): Function removed.
6552         (vect_debug_details): Likewise.
6553         (vect_verbosity_level): Global variable was defined and initialized.
6554         (vect_dump): Global variable definition.
6555         (vect_print_dump_info): New function.
6556         (vect_set_dump_settings): New function.
6557         (vect_set_verbosity_level): New function.
6558         (vectorize_loops): Add call to vect_set_dump_settings.
6559
6560         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
6561         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6562         (slpeel_tree_peel_loop_to_edge): Likewise.
6563
6564         (vect_analyze_offset_expr): Call to vect_print_dump_info with
6565         appropriate verbosity level instead of call to vect_debug_details
6566         or vect_debug_stats.
6567         (vect_get_base_and_offset):
6568         (vect_create_addr_base_for_vector_ref):
6569         (get_vectype_for_scalar_type):
6570         (vect_create_data_ref_ptr):
6571         (vect_init_vector):
6572         (vect_get_vec_def_for_operand):
6573         (vect_finish_stmt_generation):
6574         (vectorizable_assignment):
6575         (vectorizable_operation):
6576         (vectorizable_store):
6577         (vectorizable_load):
6578         (vect_transform_stmt):
6579         (vect_update_ivs_after_vectorizer):
6580         (vect_do_peeling_for_loop_bound):
6581         (vect_update_inits_of_drs):
6582         (vect_do_peeling_for_alignment):
6583         (vect_transform_loop):
6584         (vect_is_simple_use):
6585         (vect_analyze_operations):
6586         (vect_is_simple_iv_evolution):
6587         (vect_analyze_scalar_cycles):
6588         (vect_analyze_data_ref_dependence):
6589         (vect_analyze_data_ref_dependences):
6590         (vect_compute_data_ref_alignment):
6591         (vect_enhance_data_refs_alignment):
6592         (vect_analyze_data_refs_alignment):
6593         (vect_analyze_data_ref_access):
6594         (vect_analyze_data_ref_accesses):
6595         (vect_analyze_pointer_ref_access):
6596         (vect_get_memtag_and_dr):
6597         (vect_analyze_data_refs):
6598         (vect_mark_relevant):
6599         (vect_stmt_relevant_p):
6600         (vect_mark_stmts_to_be_vectorized):
6601         (vect_can_advance_ivs_p):
6602         (vect_get_loop_niters):
6603         (vect_analyze_loop_form):
6604         (vect_analyze_loop):
6605         (vectorize_loops): Likewise.
6606
6607         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
6608         (vect_update_inits_of_drs):
6609         (vect_do_peeling_for_alignment):
6610         (vect_transform_loop):
6611         (vect_analyze_operations):
6612         (vect_analyze_scalar_cycles):
6613         (vect_analyze_data_ref_dependences):
6614         (vect_analyze_data_refs_alignment):
6615         (vect_analyze_data_ref_accesses):
6616         (vect_analyze_data_refs):
6617         (vect_mark_stmts_to_be_vectorized):
6618         (vect_get_loop_niters):
6619         (vect_analyze_loop_form):
6620         (vect_analyze_loop): Likewise.
6621         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
6622
6623 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
6624
6625         PR bootstrap/19796
6626         Revert:
6627         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6628         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6629         either -ffast-math or -funsafe-math-optimizations is in use.
6630
6631         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6632         * config/mips/irix-csr.c: New file.
6633         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6634         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6635         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6636         executables.
6637
6638 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
6639
6640         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
6641         redundant, incorrect definitions.
6642
6643         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
6644         expand.
6645         ("*tls_indirect_call"): New, reference hard regs directly.
6646         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
6647
6648 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6649
6650         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
6651         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
6652
6653 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6654
6655         PR rtl-optimization/19800
6656         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
6657         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
6658         gen_lowpart.
6659
6660 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6661
6662         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
6663
6664 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
6665
6666         PR other/17135
6667         * doc/invoke.texi: Correct documentation of -freorder-functions.
6668
6669 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6670
6671         PR other/14402
6672         * doc/invoke.texi: Don't mention gccbug.
6673
6674 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6675             Andrew Pinski  <pinskia@physics.uc.edu>
6676             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
6677
6678         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6679         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
6680         into just (zero_extract:SI FOO (const_int 1) BAR).
6681
6682 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6683
6684         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
6685         macro locally.  Don't give last revision date.  Use GCC version
6686         number from gcc-common.texi.
6687         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
6688         revision date.  Use GCC version number from gcc-common.texi.
6689         Describe being a library as current state rather than as 3.x
6690         history.
6691         * doc/gcc.texi: Remove last update date.
6692         * doc/gccint.texi: Likewise.  Update copyright dates.
6693         * doc/install.texi: Update copyright dates.
6694
6695 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6696
6697         PR other/7549
6698         * doc/invoke.texi: Mention for each option included in -Wall that
6699         it is included in -Wall.
6700         * doc/gcc.texi: Update copyright and last modification date.
6701
6702 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6703
6704         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
6705         unnecessary cast to original induction variable increments.
6706
6707 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6708
6709         PR tree-optimization/18219
6710         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
6711         in distributed form.
6712
6713 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
6714
6715         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
6716         Set bitpos and offset later in the function.  Do nothing if the
6717         target is a register and if the bitfield lies completely outside
6718         that register.
6719         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
6720         here.  Return an uninitialised register if the source value is stored
6721         in a register and the bitfield lies completely outside that register.
6722
6723 2005-02-06  Steven Bosscher  <stevenb@suse.de>
6724
6725         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
6726         not SET_DEST.
6727
6728 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
6729
6730         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
6731
6732 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
6733
6734         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
6735         * config/darwin8.h: New.
6736         * config/darwin7.h: Update comment.
6737
6738 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6739             Dorit Naishlos  <dorit@il.ibm.com>
6740
6741         * tree-vectorizer.h (LOC): New type.
6742         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
6743         (loop_line_number): New field in struct _loop_vec_info.
6744         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
6745
6746         * tree-vectorizer.c (input.h): Included.
6747         (find_loop_location): New function.
6748         (vect_debug_stats): Argument changed from loop to LOC. Computation of
6749         loop line number removed.
6750         (vect_debug_details): Likewise.
6751         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
6752
6753         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
6754         call to vect_debug_details/stats changed from loop to loop_loc.
6755         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6756         (slpeel_tree_peel_loop_to_edge): Likewise.
6757
6758         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
6759         changed from NULL to UNKNOWN_LOC.
6760         (vect_get_base_and_offset):
6761         (vect_create_addr_base_for_vector_ref):
6762         (get_vectype_for_scalar_type):
6763         (vect_create_data_ref_ptr):
6764         (vect_init_vector):
6765         (vect_get_vec_def_for_operand):
6766         (vect_finish_stmt_generation):
6767         (vectorizable_assignment):
6768         (vectorizable_operation):
6769         (vectorizable_store):
6770         (vectorizable_load):
6771         (vect_transform_stmt):
6772         (vect_update_ivs_after_vectorizer):
6773         (vect_do_peeling_for_loop_bound):
6774         (vect_do_peeling_for_alignment):
6775         (vect_transform_loop):
6776         (vect_is_simple_use):
6777         (vect_analyze_operations):
6778         (vect_is_simple_iv_evolution):
6779         (vect_analyze_scalar_cycles):
6780         (vect_analyze_data_ref_dependences):
6781         (vect_compute_data_ref_alignment):
6782         (vect_enhance_data_refs_alignment):
6783         (vect_analyze_data_ref_access):
6784         (vect_analyze_data_ref_accesses):
6785         (vect_analyze_pointer_ref_access):
6786         (vect_get_memtag_and_dr):
6787         (vect_analyze_data_refs):
6788         (vect_mark_relevant):
6789         (vect_stmt_relevant_p):
6790         (vect_mark_stmts_to_be_vectorized):
6791         (vect_can_advance_ivs_p):
6792         (vect_get_loop_niters):
6793         (vect_analyze_loop):
6794         (vectorize_loops): Likewise.
6795
6796         (vectorizable_load): Argument in call to vect_debug_details/stats
6797         changed from loop to LOOP_LOC (loop_vinfo).
6798         (vect_transform_loop):
6799         (vect_analyze_operations):
6800         (vect_analyze_scalar_cycles):
6801         (vect_analyze_data_ref_dependence):
6802         (vect_enhance_data_refs_alignment):
6803         (vect_analyze_data_ref_accesses):
6804         (vect_analyze_pointer_ref_access):
6805         (vect_analyze_data_refs):
6806         (vect_analyze_loop): Likewise.
6807
6808         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
6809         changed from loop to loop_loc.
6810
6811         (vect_enhance_data_refs_alignment): Removed unused variable loop.
6812
6813 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
6814             Dorit Naishlos  <dorit@il.ibm.com>
6815
6816         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
6817         declaration added.
6818         (vect_analyze_data_ref_dependences): Likewise.
6819
6820         (vect_is_simple_use): Argument changed from loop structure to
6821         loop_vect_info structure.
6822         (vect_can_advance_ivs_p): Likewise.
6823         (vect_create_index_for_vector_ref): Likewise.
6824         (vect_update_ivs_after_vectorizer): Likewise.
6825         (new_stmt_vec_info): Likewise.
6826
6827         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
6828         changed from loop to loop_vinfo.
6829         (vect_create_data_ref_ptr): First argument in call to
6830         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
6831         (vectorizable_assignment): Second argument in call to vect_is_simple_use
6832         was changed from loop to loop_vinfo.
6833         (vectorizable_operation): Likewise.
6834         (vectorizable_store): Likewise.
6835         (vect_mark_stmts_to_be_vectorized): Likewise.
6836         (vect_do_peeling_for_loop_bound): First argument in call to
6837         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
6838         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
6839         was changed from loop to loop_vinfo.
6840         (vect_analyze_data_ref_dependences): Third argument in call to
6841         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
6842
6843         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
6844         (vect_create_data_ref_ptr): Likewise.
6845         (vect_init_vector): Likewise.
6846         (vect_get_vec_def_for_operand): Likewise.
6847         (vectorizable_assignment): Likewise.
6848         (vectorizable_operation): Likewise.
6849         (vectorizable_store): Likewise.
6850         (vectorizable_load): Likewise.
6851         (vect_update_ivs_after_vectorizer): Likewise.
6852         (vect_is_simple_use): Likewise.
6853         (vect_analyze_data_ref_dependence): Likewise.
6854         (vect_analyze_pointer_ref_access): Likewise.
6855         (vect_can_advance_ivs_p): Likewise.
6856
6857         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
6858         before _stmt_vec_info.
6859         (_stmt_vec_info): Loop field replaced by loop_vec_info.
6860         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
6861         (new_stmt_vec_info): Argument changed from loop structure to
6862         loop_vect_info structure
6863
6864         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
6865         (vect_analyze_offset_expr): Avoid 80 columns overflow.
6866         (vect_create_addr_base_for_vector_ref): Likewise.
6867         (vect_analyze_pointer_ref_access): Likewise.
6868
6869 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6870
6871         PR tree-opt/19768
6872         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
6873         phi flag if the phi is abnormal.
6874
6875 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
6876
6877         PR tree-opt/19736
6878         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
6879         information for the new statement.
6880
6881 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6882
6883         PR driver/19117
6884         * gcc.c (main): Include the target in -v output.
6885
6886 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
6887
6888         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
6889         Do not drop the extend if we'd have to add a paradoxical subreg
6890         later.  Include optabs.h and insn-codes.h.
6891         * Makefile.in (combine.o): Depend on $(OPTABS_H).
6892
6893 2005-02-02  Roger Sayle  <roger@eyesopen.com>
6894
6895         PR middle-end/19405
6896         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
6897         * fold-const.c (const_binop): Avoid constant folding floating
6898         point operations in modes that use composite representations.
6899         * simplify-rtx.c (simplify_binary_operation): Likewise.
6900
6901 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
6902
6903         * config/rs6000/altivec.md (altivec_dst): Make the first operand
6904         a REG, not a MEM.
6905         (altivec_dstt): Likewise.
6906         (altivec_dstst): Likewise.
6907         (altivec_dststt): Likewise.
6908         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
6909         of first operand.
6910
6911 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6912
6913         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
6914         EXPR_LOCUS from orig_cond to the new cond_stmt.
6915         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
6916         the new vec_stmt.
6917
6918 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6919
6920         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
6921         standard_iv_increment_position. Remove call to bsi_next
6922         (no need to bump the iterator anymore).
6923         (vect_create_index_for_vector_ref): Call
6924         standard_iv_increment_position. Remove second function argument.
6925         (vect_finish_stmt_generation): Remove call to bsi_next
6926         (no need to bump the iterator anymore).
6927         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
6928         to vect_create_index_for_vector_ref.
6929
6930 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
6931
6932         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
6933         phis are used out of the loop.
6934
6935 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
6936
6937         PR c/17807
6938         * c-decl.c (undef_nested_function): New variable.
6939         (pop_scope): Diagnose undefined nested functions.
6940         (finish_function): Don't attempt cgraph processing or genericizing
6941         if current top-level function contained an undefined nested
6942         function.  Reset undef_nested_function at the end of a top-level
6943         function.
6944
6945 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
6946
6947         * tree.c (build_int_cst_type): Take sign of the value into account
6948         when deciding whether sign extend the value.
6949
6950 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6951
6952         PR c/18502
6953         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
6954         (cpp_options, cc1_options): Change %{std*&ansi} to
6955         %{std*&ansi&trigraphs}.
6956
6957 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6958
6959         * cse.c: Update comments.
6960
6961 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
6962
6963         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
6964         arguments go on the stack.  Do not put complex doubles in odd/even
6965         pairs.
6966
6967 2005-02-02  Steven Bosscher  <stevenb@suse.de>
6968
6969         * doc/invoke.texi: Update the options enabled at -O1, -O2,
6970         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
6971         -ftree-pre, and -fthread-jumps.
6972
6973 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
6974
6975         PR tree-optimization/19578
6976         * tree-flow.h (modified_noreturn_calls): Declare.
6977         (noreturn_call_p): Declare.
6978         * tree-flow-inline.h (noreturn_call_p): New function.
6979         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
6980         * tree-cfg.c (modified_noreturn_calls): New variable.
6981         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
6982         that contain a mid-block noreturn call.
6983         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
6984
6985 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
6986
6987         * df.c (df_def_record_1, df_uses_record): Don't use
6988         DF_FOR_REGALLOC.
6989         * df.h (DF_FOR_REGALLOC): Remove.
6990
6991 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
6992
6993         PR c/19435
6994         * c-typeck.c (really_start_incremental_init): Reset
6995         constructor_max_index for arrays of incomplete type.
6996
6997 2005-02-02  Jeff Law  <law@redhat.com>
6998
6999         * gcse.c (struct reg_set): Store the block index where the register
7000         was set rather than the setting insn.
7001         (record_one_set, compute_transp): Corresponding changes.
7002         (pre_insert_copy_insn): Do not call replace_one_set.
7003         (replace_one_set): Remove.
7004
7005 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7006
7007         PR other/15514
7008         * doc/gcov.texi: Fix typo.
7009
7010 2005-02-01  Richard Henderson  <rth@redhat.com
7011
7012         PR target/19680
7013         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
7014         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
7015         type to bool.
7016         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
7017         * config/i386/i386-protos.h: Update.
7018
7019 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7020
7021         PR tree-optimization/19217
7022         * tree-cfg.c (verify_expr): Use the data field to see if TP was
7023         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
7024         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
7025         that it is walking a PHI node.
7026
7027 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
7028
7029         * doc/extend.texi (Nested Functions): Update.
7030
7031 2005-02-01  Richard Henderson  <rth@redhat.com>
7032
7033         PR 19696
7034         * optabs.c (expand_copysign_absneg): Export.
7035         * optabs.h (expand_copysign_absneg): Declare.
7036         * config/rs6000/rs6000.md (copysigntf3): New.
7037
7038 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7039
7040         PR tree-optimization/19633
7041         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
7042         * tree-ssa-alias.c (init_alias_info): Initialize.
7043         (merge_pointed_to_info): Set.
7044         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
7045         (dump_points_to_info_for): Show value of pt_null.
7046         (struct count_ptr_d): Declare.
7047         (find_ptr_dereference): Remove.
7048         (ptr_is_dereferenced_by): Remove.
7049         (count_ptr_derefs): New local function.
7050         (count_uses_and_derefs): New local function.
7051         (compute_points_to_and_addr_escape): Call it.  If the number
7052         of dereferences is greater than zero, mark the pointer as
7053         dereferenced.  If there are fewer dereferences than uses of
7054         the pointer, the pointer's value escapes.
7055
7056 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7057
7058         PR tree-optimization/19670
7059         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
7060         here...
7061         (verify_use): ... set it here, instead.
7062
7063 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
7064
7065         * doc/sourcebuild.texi (Test directives): Fix formatting.
7066
7067         * doc/sourcebuild.texi (Test directives): Describe selector
7068         expressions.
7069
7070 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7071
7072         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7073         specific 64-bit CPUs.
7074
7075 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7076
7077         PR target/16201
7078         * arm.c (arm_eliminable_register): New function.
7079         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7080         HOST_WIDE_INT for address offsets.
7081         * arm-protos.h (arm_eliminable_register): Add prototype.
7082
7083 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7084
7085         PR optimization/15242
7086         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7087         * basic-block.h (duplicate_computed_gotos): Add prototype.
7088         * bb-reorder.c (duplicate_computed_gotos): New function to
7089         duplicate sufficiently small blocks ending in a computed jump.
7090         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7091         if not optimizing for size.
7092         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7093         never do tail merging for blocks ending in a computed jump.
7094         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7095
7096 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7097
7098         Patch from Richard Sandiford <rsandifo@redhat.com>
7099         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7100         from inheriting a subreg equivalence with a non-spill register.
7101
7102         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7103
7104 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7105
7106         * config/frv/frv.c (movcc_fp_destination_operand): New.
7107         (gpr_or_memory_operand): Fix typo in comment.
7108         (gpr_or_memory_operand_with_scratch): New.
7109         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7110         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7111         movcc_fp_destination_operand.
7112         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7113         Legitimize memory addresses using a scratch register.
7114
7115 2005-01-31  Jeff Law  <law@redhat.com>
7116
7117         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7118         bitmap a sparse bitmap instead of a simple bitmap.
7119         (mark_def_sites_initialize_block):  Corresponding changes.
7120         (ssa_mark_def_sites_initialize_block): Likewise.
7121         (ssa_mark_phi_uses): Likewise.
7122         (mark_def_site, ssa_mark_def_sites): Likewise.
7123         (mark_def_site_blocks): Likewise.
7124         (rewrite_ssa_into_ssa): Likewise.
7125
7126         * tree-ssa-dom.c (record_cond): Pass correct variable type
7127         for last argument to htab_find_slot_with_hash.
7128
7129         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7130         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7131
7132 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7133
7134         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7135         1_mmalua.
7136
7137 2005-02-01  Eric Christopher  <echristo@redhat.com>
7138
7139         * config/mips/mips.c (override_options): Warn if -mint64
7140         is used.
7141         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7142         deprecated.
7143
7144 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7145
7146         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7147         timestamp.
7148         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7149         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7150         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7151         (cached_regno): Initialize to INVALID_REGNUM.
7152         (cse_reg_info_table_size,
7153         cse_reg_info_table_first_uninitialized,
7154         cse_reg_info_timestamp): New.
7155         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7156         get_cse_reg_info.
7157         (init_cse_reg_info, get_cse_reg_info_1): New.
7158         (get_cse_reg_info): Cache the last look-up.
7159         (new_basic_block): Update the code to clear mappings from
7160         registers to cse_reg_info entries.
7161         (cse_main): Call init_cse_reg_info.
7162
7163         * cse.c (get_cse_reg_info): Update a comment.
7164
7165 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7166
7167         PR c/19333
7168         * c-decl.c (start_decl): Do not warn about arrays of elements with
7169         an incomplete type here.
7170         (grokdeclarator): Do it here by making a pedwarn an error.
7171         * c-typeck.c (push_init_level): If there were previous errors with
7172         the constructor type, do not warn about braces for initializers.
7173         (process_init_element): Likewise for excess initializer elements.
7174
7175 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7176
7177         * cse.c (delete_trivially_dead_insn): Don't iterate.
7178
7179 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7180
7181         * config/rs6000/rs6000.md (copysignsf3): New expand.
7182         (copysigndf3): Likewise.
7183
7184 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7185
7186         * recog.c (constrain_operands): Only look for earlyclobber operand
7187         conflicts if an '&' constraint was seen.
7188
7189 2005-01-31  Marc Espie <espie@openbsd.org>
7190
7191         * config.gcc: Don't include embedded systems fragment, switches default
7192         debugging format to ELF.
7193         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7194         longer pick it up there.
7195
7196 2005-01-31  Dale Johannesen  <dalej@apple.com>
7197
7198         * doc/extend.texi (nested functions): Fix linkage description.
7199         Clarify that static is not allowed.
7200
7201 2005-01-31  Dale Johannesen  <dalej@apple.com>
7202
7203         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7204         (movdf_low_di):  Make work.
7205
7206 2005-01-31  Dale Johannesen  <dalej@apple.com>
7207
7208         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7209         Make work for 64 bit.
7210
7211 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7212             Dale Johannesen  <dalej@apple.com>
7213
7214         PR middle-end/19650
7215         * fold-const.c (fold_binary_op_with_conditional_arg):
7216         Make types match original operands, before STRIP_NOPS.
7217
7218 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7219
7220         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7221         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7222         (struct gcc_sigcontext): Delete.  Merge contents to..
7223         (struct gcc_ucontext): ..here.
7224         (get_sigcontext): Delete.
7225         (get_regs): New function, like get_sigcontext but return regs ptr.
7226         64-bit version finds regs from r1 to support vdso.
7227         (ppc_linux_aux_vector): New function.
7228         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7229         and vector regs.
7230
7231 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7232
7233         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7234         sizetype.
7235         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7236         redundant fold. Fix misalignment for MINUS_EXPR.
7237         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7238         (vect_analyze_pointer_ref_access): Likewise.
7239         (vect_get_memtag_and_dr): Likewise.
7240
7241 2005-01-31  Richard Henderson  <rth@redhat.com>
7242
7243         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7244         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7245         absnegdf2_i387, absnegxf2_i387): Likewise.
7246
7247 2005-01-31  Richard Henderson  <rth@redhat.com>
7248
7249         PR 19696
7250         * optabs.c (expand_copysign_absneg): New.
7251         (expand_copysign_bit): Split out from ...
7252         (expand_copysign): ... here.  Use expand_copysign_absneg.
7253
7254 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7255
7256         PR middle-end/19697
7257         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7258         constant as the second operand and a register as the third.
7259
7260 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7261
7262         PR target/19704
7263         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7264         that dllimport'd functions do not use all call-clobbered registers
7265         to pass parameters.
7266
7267 2005-01-30  Richard Henderson  <rth@redhat.com>
7268
7269         PR 19696
7270         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7271         expand_abs_nojump and generalize.  Use operand_subword and
7272         emit_no_conflict_block.  Support large modes.
7273         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7274         back to maximum.
7275         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7276         negation to subtraction.
7277         (expand_copysign): Check that the format has signed zeros.
7278         Use operand_subword and emit_no_conflict_block.  Support large modes.
7279
7280 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7281
7282         Fix PR tree-optimization/19624
7283
7284         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7285         * tree-ssa-pre.c: Add cfgloop.h.
7286         Update comment.
7287         (pre_stats): New member, constified.
7288         (inserted_exprs): New static variable.
7289         (NECESSARY): New macro.
7290         (create_expression_by_pieces): Fold the expression, and
7291         mark it as defaulting to not necessary. Also put in
7292         inserted_exprs.
7293         (fully_constant_expression): New function.
7294         (insert_into_preds_of_block): Modify to not insert phis when we
7295         are playing with induction variables.
7296         Push phis onto the inserted_exprs vector, and mark them as not
7297         necessary by default.
7298         (insert_aux): Call fully_constant_expression on eprime.
7299         If all edges produce the same value, mark it constant.
7300         (mark_operand_necessary): New function.
7301         (remove_dead_inserted_code): New function.
7302         (init_pre): Init loop optimizer to get loop info.
7303         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7304         (execute_pre): Commit edge inserts, then remove dead code.
7305
7306 2005-01-30  Richard Henderson  <rth@redhat.com>
7307
7308         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7309         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7310
7311 2005-01-30  Richard Henderson  <rth@redhat.com>
7312
7313         PR target/19700
7314         * config/i386/i386.c (ix86_expand_copysign): New.
7315         (ix86_split_copysign_const): New.
7316         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7317         rearrange op1/nmask operands.
7318         * config/i386/i386-protos.h: Update.
7319         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7320         (copysigndf3): Likewise.
7321         (copysignsf3_const, copysigndf3_const): New.
7322         (copysignsf3_var): Rename from copysignsf3, split out splitter
7323         and fix split predicate for X constraint.
7324         (copysigndf3_var): Similarly.
7325
7326 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7327
7328         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7329         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7330         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7331
7332 2005-01-29  Richard Henderson  <rth@redhat.com>
7333
7334         PR target/19690
7335         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7336         of # and * in constraints.
7337
7338 2005-01-29  Richard Henderson  <rth@redhat.com>
7339
7340         PR middle-end/19689
7341         * expr.c (store_field): Don't strip sub-mode cast when the input
7342         data is even smaller.
7343
7344 2005-01-29  Richard Henderson  <rth@redhat.com>
7345
7346         PR middle-end/19687
7347         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7348         union being empty.
7349
7350 2005-01-29  Richard Henderson  <rth@redhat.com>
7351
7352         * combine.c (make_field_assignment): Fix argument order
7353         to gen_int_mode.
7354
7355 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7356
7357         PR tree-optimization/15791
7358         * fold-const.c (extract_array_ref): New function.
7359         (fold): Fold comparisons between &a[i] and &a[j] or
7360         semantically equivalent trees.
7361
7362 2005-01-29  Jeff Law  <law@redhat.com>
7363
7364         * gcse.c (insert_expr_in_table): Revamp handling of available
7365         and anticipatable occurrence lists to avoid unnecessary list
7366         walking.
7367         (insert_set_in_table): Similarly.
7368
7369 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
7370
7371         * c-common.c (fix_string_type): Just use c_build_qualified_type to
7372         build string type.
7373         (c_build_qualified_type): Build qualified array types with
7374         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
7375         * c-decl.c (c_make_fname_decl): Build unqualified array type
7376         before qualified type.
7377         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
7378         type is qualified, not just if type itself is.  Don't apply
7379         qualifiers to array type when declarator is processed.  Apply
7380         qualifiers to field type whether or not it is an array type.
7381         Don't handle array types specially for applying qualifiers to
7382         variables.
7383         * c-typeck.c (composite_type): Build unqualified element type and
7384         array type when forming composite of array types.
7385         (common_pointer_type, comptypes, comp_target_types,
7386         type_lists_compatible_p, build_indirect_ref, build_array_ref,
7387         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
7388         types.
7389         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
7390         (args2) in variables a1 and a2.
7391
7392 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
7393
7394         * cse.c (n_elements_made, max_elements_made): Remove.
7395         (insert): Don't touch n_elements_made.
7396         (cse_main): Don't touch n_elements_made or max_elements_made.
7397
7398 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
7399
7400         PR target/15384
7401         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
7402         configuration part of dp-bit.c to be lost.
7403
7404 2005-01-28  Roger Sayle  <roger@eyesopen.com>
7405
7406         * expmed.c (expand_mult_highpart_optab): When attempting to use
7407         a non-widening multiplication in a wider mode, the operands need
7408         to be converted (zero or sign extended) to that mode.
7409
7410 2005-01-28  Ian Lance Taylor  <ian@airs.com>
7411
7412         PR middle-end/16558
7413         PR middle-end/19583
7414         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
7415         through if both operands fall through.
7416
7417 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7418
7419         * cse.c (fold_rtx) <PC>: Don't optimize.
7420
7421 2005-01-28  Jeff Law  <law@redhat.com>
7422
7423         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
7424         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
7425
7426 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7427
7428         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
7429         cse_reg_info_used_list_end): Remove.
7430         (cse_reg_info_list, cse_reg_info_list_free): New.
7431         (get_cse_reg_info): When allocating an instance of
7432         cse_reg_info, add it to the beginning of the cse_reg_info_list
7433         list.  Remove code to maintain cse_reg_info_used_list.
7434         (new_basic_block): Reset the free list to the beginning of
7435         cse_reg_info_list.
7436
7437 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
7438
7439         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
7440         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
7441         (frv_expand_mdpackh_builtin): New function.
7442         (frv_expand_builtin): Use it to expand __MDPACKH.
7443         * doc/extend.texi (__MDPACKH): Update documentation.
7444
7445 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
7446
7447         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
7448         SSE_FLOAT_MODE_P for use_sse computation.
7449
7450 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
7451
7452         PR target/19663
7453         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
7454
7455 2005-01-27  Richard Henderson  <rth@redhat.com>
7456
7457         * builtins.c (expand_builtin_copysign): New.
7458         (expand_builtin): Call it.
7459         * genopinit.c (optabs): Add copysign_optab.
7460         * optabs.c (init_optabs): Initialize it.
7461         (expand_copysign): New.
7462         * optabs.h (OTI_copysign, copysign_optab): New.
7463         (expand_copysign): Declare.
7464
7465         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
7466         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
7467
7468         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
7469         (ix86_expand_fp_absneg_operator): ... here.
7470         (ix86_split_copysign): New.
7471         * config/i386/i386-protos.h: Update.
7472         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
7473         (copysignsf3, copysigndf3): New.
7474
7475         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
7476         (copysignsf3, ncopysignsf3): New.
7477         (copysigndf3, ncopysigndf3): New.
7478         (copysignxf3, ncopysignxf3): New.
7479         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
7480
7481 2005-01-27  Arend Bayer  <arend.bayer@web.de>
7482             Kazu Hirata  <kazu@cs.umass.edu>
7483
7484         * cse.c: (find_best_addr): Don't call copy_rtx before calling
7485         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
7486         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
7487         NULL_RTX.
7488
7489 2005-01-27  Jeff Law  <law@redhat.com>
7490
7491         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
7492         definitions of SSA_NAMEs which are not being rewritten.
7493         (rewrite_ssa_into_ssa): Only initialize the current definition
7494         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
7495         If checking is enabled, assert that SSA_NAME_AUX is clear for all
7496         SSA_NAMEs before returning.
7497
7498 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
7499
7500         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
7501         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
7502         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
7503         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
7504         config/mips/iris6.h, config/sh/sh.c: Update copyright.
7505
7506 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7507
7508         PR middle-end/17278
7509         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
7510         higher to -O2 and higher.  Likewise for tree PRE.
7511         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
7512         and better.
7513
7514 2005-01-27  Ian Lance Taylor  <ian@airs.com>
7515
7516         PR middle-end/19583
7517         * gimple-low.c (try_catch_may_fallthru): New static function.
7518         (block_may_fallthru): Handle TRY_CATCH_EXPR.
7519         * tree-inline.c (expand_call_inline): Don't warn about reaching
7520         the end of a non-void function being inlined if the function uses
7521         a return slot.
7522
7523 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
7524
7525         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
7526
7527         PR c/18946
7528         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
7529         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
7530         (implicitly_declare): Handle error_mark_node.
7531
7532 2005-01-27  Richard Henderson  <rth@redhat.com>
7533
7534         PR tree-opt/14329
7535         * tree.h (struct tree_decl): Add debug_expr_is_from.
7536         (DECL_DEBUG_EXPR_IS_FROM): New.
7537         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
7538         * dwarf2out.c (dwarf2out_var_location): Update to match.
7539         * tree-outof-ssa.c (create_temp): Likewise.
7540         * var-tracking.c (track_expr_p): Likewise.
7541         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
7542         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
7543         * toplev.c (default_tree_printer): Likewise.
7544
7545 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
7546
7547         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
7548         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
7549
7550 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7551
7552         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
7553         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
7554         ASM_CLOBBERS): Add tree checks.
7555
7556         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
7557         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
7558         * c-common.def (SWITCH_STMT): Update to match.
7559         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
7560         macros instead of SWITCH_EXPR ones.
7561         * c-dump.c (c_dump_tree): Likewise.
7562         * c-gimplify.c (gimplify_switch_stmt): Likewise.
7563         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
7564
7565         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
7566
7567 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
7568
7569         * unwind-dw2.c (execute_stack_op): Add missing cases for
7570         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
7571
7572 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
7573
7574         * config.gcc (Obsolete configurations): Remove 'dummy', add
7575         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
7576         sparc-*-openbsd*.
7577
7578 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
7579
7580         PR tree-optimization/19633
7581         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
7582         CALL_EXPRs.
7583         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
7584         are no call-clobbered variables.
7585         * tree-outof-ssa.c (check_replaceable): Return false for calls
7586         with side-effects.
7587
7588 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
7589
7590         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
7591         even for variables with NULL DECL_INITIAL.
7592
7593 2005-01-26  Stuart Hastings  <stuart@apple.com>
7594
7595         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
7596
7597 2005-01-26  Richard Henderson  <rth@redhat.com>
7598
7599         PR middle-end/18008
7600         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7601         field's type.
7602         * expr.c (store_field): Strip conversions to odd-bit-sized types
7603         if the destination field width matches.
7604
7605 2005-01-26  Richard Henderson  <rth@redhat.com>
7606
7607         * c-decl.c, expmed.c, expr.c: Revert last change.
7608
7609 2005-01-26  Richard Henderson  <rth@redhat.com>
7610
7611         PR middle-end/18008
7612         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7613         field's type.
7614         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
7615         if we don't need the bits above those present in the current mode.
7616         * expr.c (store_field): Strip conversions to odd-bit-sized types
7617         if the destination field width matches.
7618
7619 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7620
7621         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7622         either -ffast-math or -funsafe-math-optimizations is in use.
7623
7624 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7625
7626         PR target/19293
7627         PR target/19329
7628         * config/avr/avr.c (notice_update_cc): Only set condition code for
7629         ashrqi3 if shift count > 0.
7630         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
7631         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
7632         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
7633         count <= 0 as a no-op, and shift count >= width by copying zero
7634         or sign bit to all bits of the result.
7635         * config/avr/avr.md (all shifts): Add alternatives for zero shift
7636         count, with attribute "length" set to 0 and "cc" set to "none".
7637
7638 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7639
7640         * doc/invoke.texi: Document -mTLS.
7641
7642         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
7643         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
7644         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
7645         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
7646         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
7647         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
7648         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
7649         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
7650
7651         * configure.ac: Check for a TLS capable gas.
7652
7653         * configure: Regenerate.
7654
7655 2005-01-26  Richard Henderson  <rth@redhat.com>
7656
7657         PR middle-end/18008
7658         * combine.c (make_field_assignment): Simplify store to zero_extract
7659         from a source with an overlapping mask.
7660
7661 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7662
7663         2004-11-11  Eric Christopher  <echristo@redhat.com>
7664
7665         * config/frv/frv.md: Add fr400_integer automaton. Don't
7666         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
7667         to TYPE_MACC.
7668
7669 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7670
7671         PR middle-end/16585
7672         * cfgbuild.c (make_edges): Do not clear or set
7673         current_function_has_computed_jump.
7674         * function.h (struct function): Remove the has_computed_jump field.
7675         (current_function_has_computed_jump): Do not define.
7676         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
7677         in a computed jump.  Ignore current_function_has_computed_jump.
7678
7679 2005-01-26  Richard Henderson  <rth@redhat.com>
7680
7681         PR middle-end/19515
7682         * expr.c (categorize_ctor_elements): New argument p_must_clear.
7683         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
7684         fully initialized.
7685         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
7686         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
7687         objects into static storage if they have more than one non-zero value.
7688         * tree.h (categorize_ctor_elements): Update decl.
7689
7690 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7691
7692         PR middle-end/19616
7693         * tree.h (CALL_EXPR_TAILCALL): Add comment.
7694         * calls.c (check_sibcall_argument_overlap_1): Revert the change
7695         to this function from 2004-07-10.
7696         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
7697         the current function for tail call optimizations if the address
7698         of one of it its arguments is taken.
7699
7700 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
7701
7702         * cse.c (fold_rtx): Call equiv_constant only when necessary.
7703
7704 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7705
7706         * function.c (expand_function_end): If current_function_calls_alloca,
7707         emit stack restore in a place that is reached when the function falls
7708         through at the end.
7709
7710 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
7711
7712         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
7713         rule to avoid matching inappropriate suffix rule.
7714
7715 2005-01-26  Jan Hubicka  <jh@suse.cz>
7716
7717         PR tree-optimization/19241
7718         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
7719
7720 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7721
7722         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
7723         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
7724         of doubling.
7725         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
7726         <sim*>: Always use crt1.o, regardless of N in simN.
7727         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7728         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
7729         (CRT_CALL_STATIC_FUNCTION): Remove.
7730         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
7731         use crt1.o, regardless of N in simN.
7732         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
7733         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
7734         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
7735         case isystem setting.
7736         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
7737
7738 2005-01-25  Ian Lance Taylor  <ian@airs.com>
7739
7740         * gimple-low.c (block_may_fallthru): Correct handling of
7741         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
7742
7743 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
7744
7745         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
7746         handlers to match indentation; nested under the mtune=* handler.
7747         Similar for mcpu= and march=.
7748
7749 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
7750
7751         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
7752         * config/mips/linux64.h (LIB_SPEC): Likewise.
7753         * config/mn10300/linux.h (LIB_SPEC): Likewise.
7754         * config/sh/linux.h (LIB_SPEC): Likewise.
7755
7756 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
7757
7758         * config/frv/frv.c (frv_legitimize_tls_address): New.
7759         (TARGET_HAVE_TLS): Define.
7760         (FRV_SYMBOL_REF_TLS_P): Define.
7761         (frv_override_options): Handle new register classes.
7762         (frv_legitimate_address_p): Reject tls addresses.
7763         (frv_legitimize_address): Handle TLS addresses.
7764         (gen_inlined_tls_plt): New.
7765         (gen_tlsmoff): New.
7766         (frv_legitimize_tls_address): New.
7767         (unspec_got_name): Add TLS entries.
7768         (got12_operand): Add R_FRV_TLSMOFF12 case.
7769         (frv_emit_move): Fixup TLS addresses.
7770         (frv_emit_movsi): Legitimize TLS addresses.
7771
7772         * config/frv/frv.h (MASK_BIG_TLS): New.
7773         (TARGET_BIG_TLS): New.
7774         (HAVE_AS_TLS): Define.
7775         (TARGET_SWITCHES): Add -mTLS and -mtls options.
7776         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
7777         (REG_CLASS_NAMES): Same.
7778         (REG_CLASS_CONTENTS): Same.
7779         (CONSTRAINT_LEN): New.
7780         (REG_CLASS_FROM_CONSTRAINT): New.
7781         (PREDICATE_CODES): Add symbolic_operand.
7782
7783         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
7784         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
7785         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
7786         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
7787         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
7788         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
7789         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
7790         GR9_REG, GR14_REG, LRREG.
7791         (type): Add load_or_call attribute.
7792         ("load_or_call"): New reservation.
7793         ("call_gettlsoff"): New.
7794         ("tls_indirect_call"): New.
7795         ("tls_load_gottlsoff12"): New.
7796         ("tlsoff_hilo"): New.
7797         ("tls_tlsdesc_ldd"): New.
7798         ("tls_tlsoff_ld"): New.
7799         ("tls_lddi"): New.
7800
7801         * config/frv/frv-protos.h (symbolic_operand): Protoize.
7802
7803         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
7804
7805         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
7806         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
7807         * config/frv/frv.c (TLS_BIAS): Define.
7808         (frv_output_dwarf_dtprel): New.
7809
7810 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
7811
7812         PR rtl-optimization/19579
7813         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
7814         both A and B, see if they don't clobber registers the other expr uses.
7815
7816 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
7817
7818         * real.c (do_add): Initialize signalling and canonical members.
7819
7820         * real.c (real_from_integer): Zero out destination.
7821
7822 2005-01-18  Jan Hubicka  <jh@suse.cz>
7823
7824         PR tree-optimize/19337
7825         * tree-inline.c (initialize_inlined_parameters): Copy
7826         saved_static_chain_decl only.
7827
7828 2005-01-25  Richard Henderson  <rth@redhat.com>
7829
7830         PR target/19556
7831         PR target/19584
7832         * config/i386/i386.c (x86_inter_unit_moves): Zero.
7833         (ix86_preferred_reload_class): Rewrite fp-constant section, with
7834         80387 enabled, to return a proper subclass.  Return the subset that
7835         overlaps with GENERAL_REGS for PLUS.
7836         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
7837
7838 2005-01-25  Richard Henderson  <rth@redhat.com>
7839
7840         PR middle-end/19609
7841         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
7842
7843 2005-01-25  Roger Sayle  <roger@eyesopen.com>
7844
7845         * expmed.c (choose_multiplier): Change interface to return the
7846         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
7847         (expand_divmod): Update calls to choose_multiplier.
7848
7849 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7850
7851         PR middle-end/19330
7852         * expmed.c (extract_bit_field): Use adjust_address instead of
7853         gen_lowpart when op0 is a MEM.
7854
7855 2005-01-24  Steven Bosscher  <stevenb@suse.de>
7856
7857         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
7858
7859 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7860
7861         * config/mips/irix-csr.c: New file.
7862         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7863         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7864         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7865         executables.
7866
7867 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
7868
7869         PR bootstrap/19364
7870         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
7871         sparc/elf.h, add sparc/sp-elf.h.
7872         (sparc-*-rtems*): Likewise.
7873         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
7874         tm-dwarf2.h, add sparc/sp-elf.h.
7875         (sparc86x-*-elf): Likewise.
7876         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
7877         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
7878         TARGET_OS_CPP_BUILTINS.
7879         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7880         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7881         Undefine it.
7882         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
7883         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
7884         (SWITCH_TAKES_ARG): Likewise.
7885         (LOCAL_LABEL_PREFIX): Likewise.
7886         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7887         (TARGET_N_FORMAT_TYPES): Delete.
7888         (TARGET_FORMAT_TYPES): Likewise.
7889         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7890         * config/sparc/elf.h: Delete.
7891         * config/sparc/sp-elf.h: New file.
7892
7893 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7894
7895         * tree-flow-inline.h (phi_arg_from_edge): Remove.
7896         * tree-flow.h: Remove the corresponding prototype.
7897         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
7898         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
7899
7900 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7901
7902         PR target/17751
7903         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
7904         for AIX ABI or ELF -fPIC.
7905         (rs6000_emit_load_toc_table): Don't create toc_section here.
7906         (rs6000_xcoff_file_start): Nor here.
7907
7908 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
7909
7910         * sh.c (ra.h): Don't #include.
7911         (hard_regs_intersect_p): New function, resurrected from ra.c.
7912
7913         * sh.c: Fix 1996 Copyright.
7914
7915 2005-01-24  Richard Henderson  <rth@redhat.com>
7916             Aldy Hernandez  <aldyh@redhat.com>
7917
7918         * regrename.c (note_sets): Handle subregs.
7919
7920 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
7921
7922         PR bootstrap/18058
7923         * genconditions.c (write_header, write_conditions): Elide file if
7924         not GCC >= 3.0.1.
7925
7926 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
7927
7928         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
7929         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
7930         Update copyright.
7931
7932 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7933
7934         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
7935         expand_builtin_printf, expand_builtin_fprintf,
7936         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
7937         checking against POINTER_TYPE.
7938         (validate_arglist): Handle POINTER_TYPE code by checking
7939         POINTER_TYPE_P.
7940
7941 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
7942
7943         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
7944         init_rtlanal): New.
7945         (for_each_rtx): Call for_each_rtx_1.
7946         * rtl.h (init_rtlanal): Declare.
7947         * toplev.c (backend_init): Call init_rtlanal.
7948
7949 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
7950
7951         * flow.c (propagate_one_insn): Formatting.
7952
7953         PR middle-end/19551
7954         * flow.c (libcall_dead_p): Be more conservative if unsure.
7955         If there are any instructions between insn and call, see if they are
7956         all dead before saying the libcall is dead.
7957
7958 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
7959
7960         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
7961         operand constraint for operand 0.
7962
7963 2005-01-23  Richard Henderson  <rth@redhat.com>
7964
7965         PR 19486
7966         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
7967         edges leading to join block.
7968
7969 2005-01-23  Roger Sayle  <roger@eyesopen.com>
7970
7971         * expmed.c (expand_mult_highpart): Make static.  Change type of
7972         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
7973         (expand_divmod): Updates calls to expand_mult_highpart by using
7974         gen_int_mode to pass a CONST_INT rtx.
7975         * rtl.h (expand_mult_highpart): Remove prototype.
7976
7977 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7978
7979         * flow.c (regset_bytes, regset_size): Remove.
7980
7981         * cfganal.c: Fix a reference to Harvey's paper.
7982
7983 2005-01-23  Steven Bosscher  <stevenb@suse.de>
7984
7985         PR rtl-optimization/19464
7986         * tree-optimize.c (init_tree_optimization_passes): Add one more
7987         copyrename pass just before out-of-ssa.
7988
7989 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
7990
7991         PR bootstrap/18058
7992         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
7993         * ggc-none.c (ggc_free): Define.
7994
7995 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
7996
7997         * cse.c (max_reg, max_insn_uid): Remove.
7998         (cse_main): Don't access max_reg or max_insn_uid.
7999
8000         * c-common.c (explicit_flag_signed_bitfields,
8001         lang_statement_code_p, lang_expand_function_end): Remove.
8002         * c-common.h: Remove the corresponding declarations.
8003         * c-opts.c (c_common_handle_option): Remove all write access
8004         to explicit_flag_signed_bitfields.
8005
8006         * cgraph.c (cgraph_varpool_n_nodes): Remove.
8007         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
8008         * cgraph.h: Remove the corresponding declaration.
8009
8010         * gcse.c (null_pointer_info): Remove.
8011
8012 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8013             Eric Botcazou  <ebotcazou@libertysurf.fr>
8014
8015         * combine.c (simplify_logical): Only simplify logical expressions
8016         of the form ior(and(x,y),z) by the inverse distributive law if the
8017         result is cheaper than the original.
8018
8019 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8020
8021         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
8022         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
8023         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
8024         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
8025         config/freebsd-spec.h, config/arm/arm.h,
8026         config/h8300/h8300.md, config/i386/i386.md,
8027         config/i386/predicates.md, config/i386/sse.md,
8028         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
8029         config/vax/vax.md: Fix comment typos.  Follow spelling
8030         conventions.
8031
8032 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8033
8034         * gengtype.c (walk_type): Produce `not equal to' compares for loop
8035         tests, instead of `less than'.
8036
8037 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
8038
8039         * function.c (assign_parm_setup_block): When creating a new stack slot
8040         for a parameter, get its alignment from the parameter's DECL_ALIGN
8041         rather than the type's TYPE_ALIGN.  Make sure that the parameter
8042         is at least word aligned.
8043
8044 2005-01-22  Roger Sayle  <roger@eyesopen.com>
8045
8046         PR middle-end/19378
8047         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
8048
8049 2005-01-22  Richard Henderson  <rth@redhat.com>
8050
8051         PR target/19506
8052         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
8053         in both compare operands.
8054         (movdfcc_1_sse_max): Likewise.
8055         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
8056         (movdfcc_1_sse): Likewise.
8057         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
8058         scratch register as needed.
8059
8060 2005-01-22  Richard Henderson  <rth@redhat.com>
8061
8062         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
8063
8064         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
8065
8066 2005-01-22  Richard Henderson  <rth@redhat.com>
8067
8068         * genopinit.c (optabs): Use smin/smax for floating point too.
8069         * doc/md.texi: Update to match.  Clarify that floating point
8070         results are undefined for +0/-0 and NaN.
8071         * doc/rtl.texi: Likewise.
8072         * rtl.def (SMIN, SMAX): Likewise
8073         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8074
8075         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8076         leading 's' to the name.
8077         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8078         smaxxf3, sminxf3): Likewise.
8079         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8080         Likewise.
8081
8082 2005-01-22  Paul Brook  <paul@codesourcery.com>
8083
8084         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8085
8086 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8087
8088         * config/s390/s390.c (struct processor_costs): New fields
8089         dlgr, dlr, dr, dsgfr, dsgr.
8090         (z900_cost, z990_cost): Values for new fields.
8091         (s390_rtx_costs): New cases MEM und COMPARE in switch
8092         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8093         DIV, MOD, UDIV, UMOD.
8094
8095 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8096
8097         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8098         into the register being decremented.
8099         ("doloop_si31", "doloop_di"): Likewise.
8100         ("*doloop_si_long"): Adapt pattern.
8101
8102 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8103
8104         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8105         access registers.
8106         (CLASS_MAX_NREGS): Likewise.
8107
8108 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8109
8110         * doc/tree-ssa.texi (Statement Operands): Add example for new
8111         must-def macro. Note deprecation of old operands interface.
8112
8113 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8114
8115         PR tree-optimization/19484
8116         * tree-cfg.c (remove_fallthru_edge): New function.
8117         (cleanup_control_flow): Remove fallthru edges from calls that are
8118         now known not to return.
8119
8120 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8121
8122         Fix PR tree-optimization/19038
8123         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8124         copies with loop variant ones.
8125
8126 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8127
8128         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8129         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8130         config/alpha/alpha.md, config/alpha/predicates.md,
8131         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8132         config/sparc/sol2.h: Update copyright.
8133
8134         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8135         first label to see if it is a nonlocal label.
8136
8137 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8138             Andrew Pinski  <pinskia@physics.uc.edu>
8139
8140         PR target/19491
8141         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8142         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8143
8144 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8145
8146         * config/rs6000/rtems.h: Update copyright.
8147
8148 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8149
8150         PR target/19548
8151         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8152         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8153         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8154
8155 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8156
8157         PR c/18809
8158         * c-typeck.c (convert_arguments): Check for error_mark_node.
8159
8160 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8161
8162         PR tree-optimization/13000
8163         * tree-inline.c: Include "tree-flow.h".
8164         (expand_call_inline): If warn_return_type, warn if non-void inline
8165         function falls through.
8166         * tree-cfg.c (execute_warn_function_return): Don't warn about
8167         control reaching end if TREE_NO_WARNING is set.  Set
8168         TREE_NO_WARNING.
8169         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8170         has been lowered.
8171         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8172         branch if we don't need one.
8173         * c-typeck.c: Include "tree-flow.h"
8174         (c_finish_bc_stmt): Don't add a goto if the current statement
8175         list doesn't fall through to the current point.
8176
8177 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8178
8179         PR rtl-optimization/576
8180         * real.c (real_arithmetic): Change return type from void to bool
8181         to return an indication that the result may be inexact.
8182         * real.h (real_arithmeric): Update prototype.
8183         * fold-const.c (const_binop):  Don't constant fold floating
8184         point expressions when the user specifies -frounding-math and
8185         the result may depend upon the run-time rounding mode.
8186         (fold_convert_const_real_from_real): Clean-up.
8187         (fold_initializer): Ignore flag_rounding_math for initializers.
8188         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8189         constant fold FP operations with flag_rounding_math if the
8190         result may depend upon the run-time rounding mode.
8191
8192 2005-01-21  Tom Tromey  <tromey@redhat.com>
8193
8194         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8195
8196 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8197
8198         * tree-cfg.c: Fix comment typos.
8199
8200 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8201
8202         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8203         around the call to rest_of_handle_branch_target_load_optimize.
8204
8205 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8206
8207         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8208         (sparc64-*-openbsd*): Likewise.
8209         (sparclite-*-elf*): Include tm-dwarf2.h.
8210         (sparc86x-*-elf*): Likewise.
8211         (sparc64-*-elf*): Likewise.
8212         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8213         (DBX_DEBUGGING_INFO): Likewise.
8214         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8215         (PREFERRED_DEBUGGING_TYPE): Likewise.
8216         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8217         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8218         (PREFERRED_DEBUGGING_TYPE): Likewise.
8219         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8220         (PREFERRED_DEBUGGING_TYPE): Likewise.
8221         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8222
8223 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8224
8225         PR target/18701
8226         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8227
8228 2005-01-20  Paul Brook  <paul@codesourcery.com>
8229
8230         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8231
8232 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8233
8234         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8235         label is first in a sequence of labels.
8236
8237         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8238
8239 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8240             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8241
8242         * doc/sourcebuild.texi (Test Directives): New.
8243
8244 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8245
8246         * real.c (real_floor): Don't leave the result uninitialized when
8247         mode is VOIDMode, but return the unrounded intermediate value.
8248         (real_ceil): Likewise.
8249
8250 2005-01-20  Paul Brook  <paul@codesourcery.com>
8251
8252         * config/arm/arm.md (insv): Use gen_int_mode.
8253
8254 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8255
8256         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8257         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8258         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8259         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8260         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8261
8262 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8263
8264         Fix PR debug/19124
8265         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8266         fbreg, so we have to assume we can't.
8267         (loc_descriptor_from_tree_1): Ditto.
8268         (containing_function_has_frame_base): New function.
8269         (add_location_or_const_value_attribute): Use it.
8270         Also try to generate a frame_base from a single element location
8271         list.
8272
8273 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8274
8275         PR tree-optimization/15349
8276         * timevar.def (TV_TREE_MERGE_PHI): New.
8277         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8278         PHI_WANTED.
8279         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8280         calls to tree_forwarder_block_p.
8281         (remove_forwarder_block_with_phi, merge_phi_nodes,
8282         gate_merge_phi, pass_merge_phi): New.
8283         * tree-optimize.c (init_tree_optimization_passes): Add
8284         pass_merge_phi.
8285         * tree-pass.h: Add an extern for pass_merge_phi;
8286
8287 2005-01-20  Richard Henderson  <rth@redhat.com>
8288
8289         PR target/19418
8290         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8291         (_mm_castps_pd, _mm_castps_si128): New.
8292         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8293
8294 2005-01-20  Richard Henderson  <rth@redhat.com>
8295
8296         PR target/19530
8297         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8298         __builtin_ia32_vec_init_v2si.
8299         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8300         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8301         (ix86_init_mmx_sse_builtins): Create it.
8302         (ix86_expand_builtin): Expand it.
8303         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8304         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8305         (vec_extractv2si_0, vec_extractv2si_1): New.
8306
8307 2005-01-20  Richard Henderson  <rth@redhat.com>
8308
8309         PR target/16533
8310         * config/i386/i386.c (ix86_expand_push): New.
8311         * config/i386/mmx.md (push<MMXMODE>1): New.
8312         * config/i386/sse.md (push<SSEMODE>1): New.
8313         * config/i386/i386-protos.h: Update.
8314
8315 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8316
8317         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8318         copyright.
8319
8320 2005-01-20  Richard Henderson  <rth@redhat.com>
8321
8322         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8323         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8324
8325 2005-01-19  Richard Henderson  <rth@redhat.com>
8326
8327         PR target/19350
8328         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8329         to V4SFmode in SSE1 fallback load path.
8330
8331 2005-01-19  Richard Henderson  <rth@redhat.com>
8332
8333         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8334         in QImode expansion to ix86_expand_vector_set.
8335         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8336
8337 2005-01-19  Richard Henderson  <rth@redhat.com>
8338
8339         PR target/19511
8340         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8341         subclass of the input class.
8342         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8343         Always true for cross-SSE1 classes.  Rationalize conditionals.
8344         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8345         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8346         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8347         (movdi_2): Add MMX/SSE zeros.
8348         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8349         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8350         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8351         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8352         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8353         (zero_extendsidi2_rex64_1): Remove.
8354         (MOV0 peephole): Check GENERAL_REG_P.
8355
8356 2005-01-19  Richard Henderson  <rth@redhat.com>
8357
8358         PR target/19427
8359         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8360         shufps elements.
8361         (ix86_expand_vector_extract): Likewise.
8362
8363 2005-01-19  Richard Henderson  <rth@redhat.com>
8364
8365         PR middle-end/19304
8366         * expr.c (emit_move_change_mode): New argument force; use
8367         simplify_gen_subreg if true.
8368         (emit_move_via_alt_mode): Merge into ...
8369         (emit_move_via_integer): ... here.
8370         (emit_move_ccmode): Use emit_move_change_mode directly.
8371
8372 2005-01-19  Richard Henderson  <rth@redhat.com>
8373
8374         PR target/19518
8375         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
8376         (alpha_preferred_reload_class): Handle CONST_VECTOR.
8377         (alpha_emit_set_const_1): Add no_output parameter; don't emit
8378         rtl if true.
8379         (alpha_emit_set_const): Likewise.  Make static.
8380         (alpha_emit_set_long_const): Make static.
8381         (alpha_extract_integer): Split out from alpha_expand_mov.
8382         (alpha_split_const_mov): Likewise.
8383         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
8384         (alpha_legitimate_constant_p): New.
8385         * config/alpha/alpha-protos.h: Update.
8386         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
8387         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
8388         * config/alpha/alpha.md (movsi): Add n alternative.
8389         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
8390         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
8391         (splitters for all of the above): Use alpha_split_const_mov.
8392         * config/alpha/predicates.md (non_add_const_operand): New.
8393         (non_zero_const_operand): New.
8394         (input_operand): Use alpha_legitimate_constant_p after reload.
8395
8396 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8397
8398         PR tree-optimization/19038
8399         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
8400         (add_candidate): Add ivs with increment in latch only if
8401         allow_ip_end_pos_p is true.
8402         (determine_iv_cost): Use empty_block_p.
8403
8404 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
8405
8406         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
8407         (compute_dominance_frontiers): Ditto.
8408
8409 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
8410
8411         PR target/19529
8412         * config/sh/t-rtems: New.
8413         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
8414
8415 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8416
8417         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
8418         the offset of the selected field.
8419
8420 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
8421
8422         * tree-cfg.c (remove_forwarder_block): Fix the check to
8423         prevent a nonlocal label from appearing in the middle of a
8424         basic block.
8425
8426 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
8427
8428         PR rtl-optimization/19462
8429         * reorg.c (find_end_label): Create return insn only if
8430         current_function_epilogue_delay_list is empty.
8431
8432 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
8433
8434         * doc/passes.texi: Remove paragraph mentioning new-ra.
8435
8436 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
8437
8438         PR rtl-optimization/15139
8439         * combine.c: Include params.h.
8440         (count_rtxs): New function.
8441         (record_value_for_reg): If replace_rtx would replace at least
8442         2 occurrences of REG in VALUE and TEM is really large, replace REG with
8443         (clobber (const_int 0)) instead of TEM.
8444         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
8445         * params.h (MAX_LAST_VALUE_RTL): New.
8446         * Makefile.in (combine.o): Depend on $(PARAMS_H).
8447         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
8448
8449         PR c/17297
8450         * c-typeck.c (digest_init): Only call build_vector if all constructor
8451         elements are *_CST nodes.
8452         * gimplify.c (gimplify_init_constructor): Likewise.
8453
8454         PR middle-end/19164
8455         * c-typeck.c (digest_init): Only call build_vector if inside_init
8456         is a CONSTRUCTOR.
8457
8458 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8459
8460         * toplev.c (init_asm_output): Remove dead #ifdef.
8461
8462 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8463
8464         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
8465
8466 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8467
8468         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
8469         accessing DECL_FUNCTION_CODE.
8470         * dojump.c (do_jump): Likewise.
8471         * gimplify.c (gimplify_call_expr): Likewise.
8472         * predict.c (expr_expected_value): Likewise.
8473         (strip_builtin_expect): Likewise.
8474         * tree-inline.c (estimate_num_insns_1): Likewise.
8475         * tree-ssa-loop-im.c (stmt_cost): Likewise
8476         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
8477         (tree_expr_nonnegative_p): Likewise.
8478
8479 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8480
8481         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
8482         variant of the load_pcrel_sym pattern.
8483         * config/sparc/sparc.md (P macro): Move to the top.
8484         (load_pcrel_sym): Macroize using P.
8485         (save_register_window): Likewise.
8486
8487 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
8488
8489         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
8490         ("sordered"): Same.
8491
8492 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
8493
8494         PR C/19472
8495         * c-typeck.c (build_asm_expr): Strip nops off
8496         input memory operands.
8497
8498 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
8499
8500         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
8501         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
8502         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
8503         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
8504
8505 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
8506
8507         PR target/19379
8508         * config/i386/i386.c (override_options): If the 80387 is disabled,
8509         then do not return FP values using FP registers.
8510
8511 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
8512
8513         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
8514         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
8515         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
8516         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
8517         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
8518         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
8519         output.h, postreload-gcse.c, postreload.c, recog.c,
8520         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
8521         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
8522         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
8523         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
8524         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
8525         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
8526         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
8527         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
8528
8529         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
8530         config/alpha/alpha.c, config/arm/vfp.md,
8531         config/i386/emmintrin.h, config/i386/i386-modes.def,
8532         config/i386/i386-protos.h, config/i386/i386.h,
8533         config/i386/pmmintrin.h, config/i386/ppro.md,
8534         config/i386/predicates.md, config/i386/xmmintrin.h,
8535         config/i860/i860.c, config/ia64/ia64-modes.def,
8536         config/ia64/ia64-protos.h, config/ia64/ia64.h,
8537         config/ia64/ia64.md, config/ia64/itanium1.md,
8538         config/ia64/itanium2.md, config/ia64/predicates.md,
8539         config/iq2000/iq2000.h, config/mips/linux64.h,
8540         config/rs6000/aix41.h, config/rs6000/aix43.h,
8541         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
8542         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8543         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
8544         config/sparc/linux64.h, config/sparc/litecoff.h,
8545         config/sparc/sp64-elf.h, config/sparc/sparc.c,
8546         config/sparc/sparc.h, config/sparc/sparc.md,
8547         config/sparc/sysv4-only.h: Update copyright.
8548
8549 2005-01-18  Richard Henderson  <rth@redhat.com>
8550
8551         PR target/19496
8552         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
8553
8554 2005-01-18  Marc Espie  <espie@openbsd.org>
8555         * config/i386/openbsdelf.h: Typo.
8556
8557 2005-01-18  Richard Henderson  <rth@redhat.com>
8558
8559         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
8560         special case for sse.
8561         * config/i386/predicates.md (sse_comparison_operator): Likewise.
8562
8563 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
8564
8565         * tree-inline.c (estimate_num_insns_1): Added cases for
8566         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
8567
8568 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8569
8570         PR rtl-optimization/19296
8571         * combine.c (simplify_comparison): Rewrite the condition under
8572         which a non-paradoxical SUBREG of a PLUS can be lifted when
8573         compared against a constant.
8574
8575 2005-01-18  Andi Kleen <ak@muc.de>
8576
8577         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
8578         * c.opt (-Wpointer-sign): Add.
8579         * doc/invoke.texi: (-Wpointer-sign): Add.
8580
8581 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8582
8583         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
8584         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
8585         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
8586         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
8587         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
8588         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
8589         for TARGET_MIX_SSE_I387.
8590         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
8591         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
8592         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
8593         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
8594         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
8595         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
8596         TARGET_MIX_SSE_I387.
8597         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
8598         from expander.
8599
8600 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8601
8602         PR target/19424
8603         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
8604         Add movaps alternative for xmm reg->reg move.
8605
8606 2005-01-17  Jeff Law  <law@redhat.com>
8607
8608         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
8609         at the end of the main DOM loop rather than just before DOM exits.
8610
8611 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
8612
8613         PR tree-optimization/19121
8614         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
8615         adding aliases to a name tag, also add them to the pointer's
8616         type tag.
8617         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
8618         sensitive alias info at all.  Only check that the two pointers
8619         have compatible pointed-to sets.
8620         * tree-ssa.c (verify_name_tags): Verify that the alias set of
8621         a pointer's type tag is a superset of the alias set of the
8622         pointer's name tag.
8623
8624 2005-01-17  James E Wilson  <wilson@specifixinc.com>
8625
8626         PR target/19357
8627         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
8628         comment to document why.
8629
8630 2005-01-17  Richard Henderson  <rth@redhat.com>
8631
8632         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
8633         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
8634         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
8635         sse2_vmsminv2df3_finite): New.
8636         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
8637         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
8638         Force op1 into register.
8639
8640 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
8641
8642         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
8643         bubblestrap from always rebuilding build directory.
8644
8645 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
8646
8647         * config/s390/s390.md ("*clc"): Remove incorrect '='.
8648         ("*cmpmem_short"): Likewise.
8649
8650 2005-01-17  Steven Bosscher  <stevenb@suse.de>
8651
8652         * basic-block.h: Document BB_* flags.
8653         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
8654         use an sbitmap instead.
8655         * sched-rgn.c (compute_trg_info): Likewise.
8656
8657 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
8658
8659         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
8660         redundant target_cpu_default and extra_parts lines.  Use the default
8661         "from-abi" ISA.
8662         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
8663         (SUBTARGET_EXTRA_SPECS): Delete.
8664         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
8665         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
8666         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
8667         and "n32" for -mabi=n32.
8668
8669 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8670
8671         PR c/5675
8672         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
8673         fold constant variables into initial values.
8674
8675 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8676
8677         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
8678
8679         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
8680         through the statements backward.
8681
8682 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8683
8684         PR middle-end/13127:
8685         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
8686         a variable set to the return value of the inlined function.
8687
8688 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
8689
8690         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
8691         when modes are tieable.
8692
8693 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
8694
8695         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
8696         of pthread_create to find out if threads are enabled.
8697         * gthr-posix95.h (__gthread_active_p): Likewise.
8698
8699 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
8700
8701         * common.opt (-fnew-ra): Remove.
8702         * ra*.*: Remove.
8703         * toplev.h (flag_new_regalloc): Remove.
8704         * Makefile.in (ra*.*): Don't mention.
8705         * passes.c (rest_of_handle_new_regalloc): Remove.
8706         (rest_of_handle_combine, rest_of_compilation): Always consider
8707         flag_new_regalloc as false.
8708         * doc/invoke.texi: Don't document -fnew-ra.
8709
8710 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
8711
8712         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
8713         last parameter to reg_scan.
8714         * loop.c (loop_optimize): Likewise.
8715         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
8716         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
8717         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8718         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8719         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
8720         * regclass.c (reg_scan): Likewise, for the declaration.
8721         * rtl.h (reg_scan): Likewise, for the prototype.
8722
8723 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8724
8725         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
8726         mark_dfs_back_edges.
8727
8728 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
8729
8730         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
8731         (compute_avail): Uses don't go in tmp_gen.
8732
8733 2005-01-16  Steven Bosscher  <stevenb@suse.de>
8734
8735         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
8736         loop to look for a free slot in a page entry.
8737
8738 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8739
8740         PR target/16304
8741         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
8742         * toplev.c (compile_file): Call process_pending_assemble_output_defs
8743         just before targetm.asm_out.file_end.
8744         * tree.h (process_pending_assemble_output_defs): Declare.
8745         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
8746         New functions.
8747         (assemble_alias): Defer generation of assembly code for defines when
8748         TARGET_DEFERRED_OUTPUT_DEFS is true.
8749         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8750         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
8751         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
8752
8753 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8754
8755         PR target/19336
8756         * pa.c (pa_scalar_mode_supported_p): New function.
8757         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8758         * pa.h (MIN_UNITS_PER_WORD): Add comment.
8759
8760         * pa-protos.h (prefetch_operand): Delete.
8761         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
8762         * pa.c (prefetch_operand): Delete.
8763         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
8764         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
8765         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
8766         and prefetch_nocc_operand.
8767         * pa.md (prefetch): Rework to avoid reload problems handling short
8768         displacements when a cache control completer needs to be provided.
8769         (prefetch_32, prefetch_64): Delete.
8770         (prefetch_cc, prefetch_nocc): New patterns.
8771
8772 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
8773
8774         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
8775
8776 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8777
8778         PR ada/19388
8779         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
8780         exceeds maximum alignment for global common data.
8781         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
8782         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
8783
8784 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8785
8786         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
8787
8788 2004-01-15  Roger Sayle  <roger@eyesopen.com>
8789
8790         * harg-reg-set.h (reg_class_names): Prototype global array.
8791         * regclass.c (reg_class_names): Declare here and initialize to
8792         REG_CLASS_NAMES.
8793         (dump_regclass): Remove local declaration of reg_class_names.
8794         (regclass): Likewise.
8795         * cfg.c (dump_flow_info): Likewise.
8796         * ra-debug.c (reg_class_names): Likewise.
8797         * regrename.c (reg_class_names): Likewise.
8798         * reload.c (reg_class_names): Likewise.
8799         * reload1.c (spill_failure): Likewise.
8800         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
8801
8802 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
8803
8804         * config/s390/s390.md ("reload_outti"): Remove predicate for
8805         output operand.  Abort if operand is not a MEM.
8806         ("reload_outdi", "reload_outdf"): Likewise.
8807
8808 2005-01-15  Marc Espie  <espie@openbsd.org>
8809
8810         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
8811         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
8812         * config/openbsd.h:  Fix C++ includes for native configurations.
8813         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
8814         Add trampoline support.
8815         * config/i386/openbsdelf.h: New.
8816
8817 2005-01-15  Marc Espie  <espie@openbsd.org>
8818
8819         * collect2.c (main): Explicitly parse -dynamic-linker option.
8820
8821 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
8822
8823         PR tree-optimization/19060
8824         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
8825         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
8826         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
8827         and handle extract_range_from_cond returning false.
8828         * fold-const.c (fold): Optimize comparisons with min/max even for
8829         width > HOST_BITS_PER_WIDE_INT.
8830
8831 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
8832
8833         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
8834         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
8835         Remove little endian multilib variants.
8836         Add mips32 multilib variant.
8837
8838 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
8839
8840         * explow.c (copy_all_reg, stabilize): Remove.
8841         * expr.h: Remove the corresponding prototypes.
8842
8843         * rtlanal.c (regs_set_between_p): Remove.
8844         * rtl.h: Remove the corresponding prototype.
8845
8846 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
8847
8848         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
8849         to rs6000_nonimmediate_operand.
8850         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
8851         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
8852         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
8853         rs6000_nonimmediate_operand.
8854         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
8855         rs6000_nonimmediate_operand.
8856
8857 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
8858
8859         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
8860
8861 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8862
8863         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
8864         on e500v2.
8865         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
8866         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
8867
8868         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
8869         (rs6k_nonimmediate_operand): New.
8870         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
8871         correctly.
8872         (legitimate_lo_sum_address_p): Same.
8873         (rs6000_legitimize_address): Same.
8874         (rs6000_legitimize_reload_address): Same.
8875         (rs6000_legitimate_address): Same.
8876         (spe_build_register_parallel): Pass DF and DC modes in a DI
8877         register.
8878
8879         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
8880         to rs6k_nonimmediate_operand.
8881
8882         * config/rs6000/spe.md ("*frob_df_di"): New.
8883         ("*frob_di_df"): New.
8884         ("*frob_di_df_2"): New.
8885         ("*mov_sidf_e500_subreg0"): New.
8886         ("*mov_sidf_e500_subreg4"): New.
8887         ("*movdf_e500_double"): Change predicate to
8888         rs6k_nonimmediate_operand.
8889
8890 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8891
8892         * postreload.c (move2add_note_store): Only call
8893         trunc_int_for_mode on scalar integers.
8894
8895 2005-01-14  Steven Bosscher  <stevenb@suse.de>
8896
8897         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
8898         replace BB_VISITED uses.
8899         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
8900         (propagate_necessity): Check the bitmap instead of BB_VISITED.
8901         (tree_dce_done): Free visited_control_parents.
8902         (perform_tree_ssa_dce): Allocate and clear it.
8903         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
8904         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
8905         instead of BB_VISITED.
8906
8907 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
8908
8909         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
8910         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
8911         Remove unused prototypes.
8912
8913 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8914
8915         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
8916         64-bit register usage.
8917         (spe_func_has_64bit_regs_p): Add FIXME note.
8918
8919 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
8920
8921         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
8922         flag_finite_math_only with flag_unsafe_math_optimizations.
8923
8924 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
8925
8926         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
8927         end-of-stack check.
8928         (__tpf_eh_return): Copy TPF private stack area from the module
8929         boundary stack frame.  Add check for when module addresses are
8930         equal, but no stub address is found.
8931
8932 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
8933
8934         PR target/7525
8935         * arm.h (struct machine_function): Add call_via field.
8936         (thumb_call_via_label): Declare.
8937         * arm.c (thumb_call_via_label): New variable.
8938         (thumb_call_reg_needed): New variable.
8939         (arm_output_function_epilogue): For Thumb code, output any per-function
8940         call-indirect trampolines.
8941         (thumb_call_via_reg): New function.
8942         (arm_file_end): New function.
8943         (TARGET_ASM_FILE_END): Call arm_file_end.
8944         (aof_file_end): Likewise.
8945         * arm-protos.h (thumb_call_via_reg): Declare.
8946         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
8947         thumb_call_via_reg in normal case.
8948
8949 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
8950
8951         PR middle-end/19084
8952         PR rtl-optimization/19348
8953         * recog.c (peephole2_optimize): Do global life update if some peephole
8954         decides it doesn't need at least one of its inputs and that change
8955         influences liveness at the start of the basic block.
8956
8957         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
8958         arguments instead of 1.
8959
8960 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
8961
8962         PR middle-end/18820
8963         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
8964         zero for nested functions needing a static chain or functions
8965         with a non-constant address.
8966
8967 2005-01-13  Roger Sayle  <roger@eyesopen.com>
8968
8969         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
8970         (and (sign_extend X) C) into (zero_extend (and X C)).
8971
8972 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
8973
8974         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
8975
8976 2005-01-13  Richard Henderson  <rth@redhat.com>
8977
8978         PR target/19009
8979         PR target/19250
8980         PR target/19252
8981         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
8982         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
8983         not just TARGET_SSE.
8984         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
8985         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
8986         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
8987         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
8988         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
8989         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
8990         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
8991         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
8992         (movdicc_c_rex64): Rename with '*'.
8993         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
8994         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
8995         (movsfcc_1_387): Rename from movsfcc_1.
8996         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
8997         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
8998         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
8999         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
9000         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
9001         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
9002         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
9003         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
9004         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
9005         sse_movdfcc_const0_4): Remove.
9006         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
9007         recognize min/max early.  Update for changed sse cmove patterns.
9008         (ix86_split_sse_movcc): New.
9009         * config/i386/i386-protos.h: Update.
9010
9011 2005-01-13  Steven Bosscher  <stevenb@suse.de>
9012
9013         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
9014         (fix_stmt_v_may_defs): Likewise.
9015
9016 2005-01-13  Richard Henderson  <rth@redhat.com>
9017
9018         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
9019         for converting the mask.
9020
9021 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
9022
9023         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
9024         definition to 600.
9025
9026 2005-01-13  Richard Henderson  <rth@redhat.com>
9027
9028         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
9029         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
9030         IX86_BUILTIN_MOVDQ2Q): Remove.
9031         (IX86_BUILTIN_VEC_EXT_V4SI): New.
9032         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
9033         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
9034         shuffling.
9035         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
9036         (sse2_pextrw): Fix immediate constraint.
9037         (sse2_loadq, sse2_loadq_rex64): Remove.
9038         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
9039         Use __builtin_ia32_vec_ext_<size>.
9040         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
9041
9042 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
9043
9044         * function.c (assign_parm_setup_block): Look inside original
9045         entry_parm when inspecting PARALLEL.
9046
9047 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
9048             Joel Sherrill  <joel@oarcorp.com>
9049
9050         PR target/19399
9051         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
9052         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
9053         rtems_gxx_recursive_mutex_init.
9054         (__gthread_recursive_mutex_lock): New function.
9055         (__gthread_recursive_mutex_trylock): Likewise.
9056         (__gthread_recursive_mutex_unlock): Likewise.
9057
9058 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
9059
9060         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
9061
9062 2005-01-13  Jan Beulich  <jbeulich@novell.com>
9063
9064         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
9065         (ashrti3_internal): Indicate output is early clobber. Generate result
9066         into output rather than first input. Use move for low word of output
9067         if shift count is exactly 64.
9068         (lshrti3_internal): Likewise.
9069
9070 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9071
9072         PR target/18329
9073         PR target/18330
9074         * reload1.c (delete_output_reload): Don't delete an output reload
9075         if the pseudo lives longer than a single basic block.  Adjust and
9076         improve wording of comment.
9077
9078 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9079
9080         PR target/19334
9081         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9082         of TYPE_SIZE where we mean the number of bytes.
9083
9084 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9085
9086         * function.c (assign_parm_setup_block): Relax condition on
9087         multi-register optimization.
9088
9089 2005-01-12  Nick Clifton  <nickc@redhat.com>
9090
9091         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9092         an "in_delay_slot" attribute of "no" to prevent them being used in
9093         delay slots.  This is forbidden because they might generate
9094         exceptions.
9095
9096 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9097
9098         PR target/19389
9099         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9100         with r->Y and Y->r.
9101
9102 2005-01-12  Nick Clifton  <nickc@redhat.com>
9103
9104         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9105         passed on to GAS) but do not define, as GAS no longer supports or
9106         needs the -m2000 option.
9107
9108 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9109
9110         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9111         type as args of unprototyped builtins aren't automatically promoted.
9112         (fold_builtin_abs): Likewise.
9113
9114 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9115
9116         * Makefile.in: Set a `build-warn' variable.
9117
9118 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9119
9120         PR tree-optimization/17949
9121         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9122         (find_interesting_uses_address): Use it.
9123
9124 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9125
9126         * regrename.c (kill_value): Handle subreg's that won't simplify.
9127
9128 2005-01-11  Richard Henderson  <rth@redhat.com>
9129
9130         PR target/13366
9131         * config/i386/i386.h (enum ix86_builtins): Move ...
9132         * config/i386/i386.c: ... here.
9133         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9134         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9135         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9136         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9137         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9138         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9139         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9140         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9141         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9142         IX86_BUILTIN_LOADDDUP): Remove.
9143         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9144         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9145         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9146         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9147         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9148         (ix86_init_builtins): Make static.
9149         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9150         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9151         if all the modes match.  Otherwise, fake it.
9152         (get_element_number, ix86_expand_vec_init_builtin,
9153         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9154         (ix86_expand_builtin): Make static.  Update for changed builtins.
9155         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9156         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9157         (ix86_expand_vector_init_duplicate): New.
9158         (ix86_expand_vector_init_low_nonzero): New.
9159         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9160         Split out from ix86_expand_vector_init; handle integer modes.
9161         (ix86_expand_vector_init): Use them.
9162         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9163         * config/i386/i386-protos.h: Update.
9164         * config/i386/predicates.md (reg_or_0_operand): New.
9165         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9166         (movv2sf_internal): Likewise.  And a splitter to match them all.
9167         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9168         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9169         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9170         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9171         (mmx_pinsrw): Fix operand ordering.
9172         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9173         rather than sse_loadss expander.
9174         (movv2df splitter): Similarly.
9175         (sse_loadss, sse_loadlss): Remove.
9176         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9177         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9178         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9179         (sse3_movddup): Rename with '*'.
9180         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9181         (sse2_loadsd): Remove.
9182         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9183         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9184         (sse2_pinsrw): Fix argument ordering.
9185         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9186         (sse2_stored): Remove 'r' destination.
9187         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9188         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9189         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9190         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9191         vec_extractv16qi, vec_initv16qi): New.
9192
9193         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9194         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9195         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9196         constructor form.
9197         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9198         (_mm_load_si128, _mm_store_si128): Likewise.
9199         (_mm_load1_pd): Use _mm_set1_pd.
9200         (_mm_load_sd): Use _mm_set_sd.
9201         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9202         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9203         (_mm_set_epi64): Use _mm_set_epi64x.
9204         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9205         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9206         _mm_setr_epi8): Use _mm_set_foo form.
9207         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9208         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9209         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9210         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9211         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9212         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9213         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9214         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9215         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9216         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9217         (_mm_movedup_pd): Use _mm_shuffle_pd.
9218         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9219         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9220         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9221         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9222         Use _mm_setzero_ps.
9223         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9224         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9225         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9226         (_mm_store_ps): Use raw dereference.
9227         (_mm_store1_ps): Use _mm_storeu_ps.
9228         (_mm_storer_ps): Use _mm_store_ps.
9229         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9230         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9231
9232 2005-01-11  Stan Shebs  <shebs@apple.com>
9233
9234         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9235         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9236
9237 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9238
9239         PR target/18761
9240         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9241         Skip all DECLs except for FIELD_DECLs.
9242
9243 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9244
9245         * config/s390/s390.c (override_options): Return error if
9246         -mbackchain, -mpacked-stack and -mhard-float are used together.
9247         (s390_va_start): Remove the backchain && packed-stack special case.
9248         (s390_gimplify_va_arg): Likewise.
9249         * doc/invoke.texi: Remove the ABI incompatibility note.
9250
9251 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9252
9253         * config/s390/s390.c (struct s390_frame_layout): Remove
9254         save_backchain_p.
9255         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9256         save_backchain_p with TARGET_BACKCHAIN.
9257
9258 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9259
9260         PR target/18916
9261         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9262         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9263         * function.c (locate_and_pad_parm): Set new field.
9264         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9265         Tweak where_pad test to include "none".  Always set mem align for
9266         stack_parm.
9267         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9268         not sufficient for type.
9269         (assign_parm_setup_block): If stack_parm is zero on entry, always
9270         make a new stack local.  Block move old stack parm if necessary
9271         to new aligned stack local.
9272         (assign_parm_setup_stack): Use a block move to handle
9273         potentially misaligned entry_parm.
9274         (assign_parms_unsplit_complex): Specify required alignment when
9275         creating stack local.
9276         * calls.c (compute_argument_addresses): Override alignment of stack
9277         arg calculated from its type with the alignment given by
9278         FUNCTION_ARG_BOUNDARY.
9279         (store_one_arg): Likewise.
9280
9281 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9282
9283         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9284         Change respective itanium_class attribute to ialu.
9285         (shladdp4_internal): New.
9286         * config/ia64/predicates.md (shladd_log2_operand): New.
9287
9288 2005-01-11  Richard Henderson  <rth@redhat.com>
9289
9290         * expr.c (store_constructor): Use rtvec_alloc instead of
9291         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9292
9293 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9294
9295         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9296
9297 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9298
9299         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9300         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9301         (TARGET_RWRELOC): Define.
9302         (ia64_rwreloc_section_type_flags): Delete.
9303         (ia64_section_type_flags): New function.
9304         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9305         (TARGET_RWRELOC): Define.
9306
9307 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9308
9309         PR target/18987
9310         * config/ia64/ia64.c (process_set): For alloc insn, only call
9311         process_epilogue is !frame_pointer_needed.
9312
9313 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9314
9315         PR c++/19355
9316         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9317         unary operator and can't be treated as a binary/comparison operator.
9318
9319 2005-01-10  Richard Henderson  <rth@redhat.com>
9320
9321         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9322         (ix86_return_in_memory): Likewise.
9323         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9324         for choosing register to advance.
9325
9326 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9327
9328         * tree-vectorizer.c, tree.def: Fix comment typos.
9329
9330 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9331
9332         * config/s390/s390.c (struct processor_costs): 4 new fields:
9333         ddbr, ddr, debr, der.
9334         (s390_rtx_costs): More precise handling of divide instructions.
9335
9336 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9337
9338         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9339
9340 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9341
9342         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9343         names resulting from -ffunction-sections/-fdata-sections and linkonce
9344         ones.
9345         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9346         based on the section name. Rearrange the section name comparison logic
9347         slightly so that each section name is compared against at most once.
9348
9349 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9350
9351         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9352         targets for which -fPIC reduces limitations on the GOT size.
9353
9354 2005-01-09  Falk Hueffner  <falk@debian.org>
9355
9356         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9357         X/C1 cmpop C2.
9358
9359 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9360
9361         PR target/18720
9362         * collect2.c (main): Set aixrtl_flag for -brtl option.
9363         (resolve_lib_name): Search for .so file extension before .a
9364         if aixrtl_flag set.
9365
9366 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9367
9368         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9369         (vect_analyze_data_refs_alignment): Add dump prints.
9370
9371 2005-01-09  Ira Rosen  <irar@il.ibm.com>
9372
9373         * tree-vectorizer.c (vect_analyze_offset_expr): Use
9374         expr_invariant_in_loop_p.
9375         Initialize outputs first thing in the function.
9376         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
9377         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
9378         (vect_analyze_pointer_ref_access): Check that the initial condition of
9379         the access function is loop invariant.
9380
9381 2005-01-09  Richard Henderson  <rth@redhat.com>
9382
9383         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
9384         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
9385         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
9386         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
9387         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
9388         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
9389         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
9390         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
9391         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
9392         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9393         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9394         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
9395         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
9396         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
9397         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
9398         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
9399         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9400         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9401         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
9402         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
9403         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
9404         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
9405         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
9406         mmx_ prefix.
9407         (mmx_clrdi, pavgusb): Remove.
9408         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
9409         with leading sse_ prefix.
9410         * config/i386/sse.md: Receive them.
9411         * config/i386/mmx.md: New file.
9412         (MMXMODE12, MMXMODE24, mmxvecsize): New.
9413         (subrv2sf3): Turn into expander for normal subtraction.
9414         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
9415         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
9416         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
9417         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
9418         commutative; use ix86_binary_operator_ok.
9419         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
9420         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
9421         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
9422         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
9423         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
9424         Macroize from existing patterns; use ix86_binary_operator_ok.
9425         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
9426         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
9427         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
9428         with vec_select+vec_concat.
9429         (mmx_pshufw, mmx_pshufw_1): Likewise.
9430         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
9431         (mmx_uavgv4hi3): Model correctly.
9432         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
9433         _mm_xor_si64): Remove casts.
9434
9435 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
9436
9437         PR tree-optimization/19224
9438         * tree-scalar-evolution.c (get_instantiated_value,
9439         set_instantiated_value): New functions.
9440         (instantiate_parameters_1): Cache the results.
9441         (instantiate_parameters, resolve_mixers): Initialize and free
9442         the cache.
9443
9444 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
9445
9446         * config/i386/i386.md (addhi_4): Correct reference in comment.
9447         (addqi_4): Same.
9448
9449 2005-01-08  Richard Henderson  <rth@redhat.com>
9450
9451         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
9452         (_mm_cvtsi128_si64x): Likewise.
9453         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
9454         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
9455         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
9456         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
9457         * config/i386/i386-protos.h: Update.
9458         * config/i386/i386.c (print_operand): Add 'H'.
9459         (ix86_fixup_binary_operands): Split out from ...
9460         (ix86_expand_binary_operator): ... here.
9461         (ix86_fixup_binary_operands_no_copy): New.
9462         (ix86_expand_fp_absneg_operator): Handle vector mode results.
9463         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
9464         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
9465         (safe_vector_operand): Use CONST0_RTX.
9466         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
9467         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
9468         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
9469         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
9470         special cases.
9471         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
9472         (IX86_BUILTIN_CMPNGESS): New.
9473         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
9474         (attr type): Add sselog1.
9475         (attr unit, attr memory): Handle it.
9476         (movti, movti_internal, movti_rex64): Move near other integer moves.
9477         (movtf, movtf_internal): Move near other fp moves.
9478         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
9479         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
9480         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
9481         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
9482         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
9483         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
9484         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
9485         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
9486         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
9487         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
9488         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
9489         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
9490         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9491         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9492         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
9493         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
9494         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
9495         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
9496         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
9497         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
9498         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
9499         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
9500         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
9501         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
9502         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
9503         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
9504         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
9505         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
9506         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
9507         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
9508         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
9509         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
9510         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
9511         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
9512         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
9513         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
9514         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
9515         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
9516         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
9517         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
9518         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
9519         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
9520         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
9521         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
9522         same time.
9523         (SSEPUSH, push<SSEPUSH>): Remove.
9524         (MMXPUSH, push<MMXPUSH>): Remove.
9525         (sse_movaps, sse_movaps_1, sse_movups): Remove.
9526         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
9527         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
9528         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
9529         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
9530         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
9531         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
9532         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
9533         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
9534         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
9535         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
9536         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
9537         (ppro_sse_log_V4SF): Handle sselog1.
9538         * config/i386/predicates.md (const_0_to_1_operand): New.
9539         (const_0_to_255_mul_8_operand): New.
9540         (const_1_to_31_operand): Rename from const_int_1_31_operand.
9541         (const_2_to_3_operand, const_4_to_7_operand): New.
9542         * config/i386/sse.md: New file.
9543         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
9544         (sse_movups): Rename from sse_movups_1.
9545         (sse_loadlss): Rename from sse_loadss_1.
9546         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
9547         from the name.
9548         (negv4sf2): Use ix86_expand_fp_absneg_operator.
9549         (absv4sf2, negv2df, absv2df): New.
9550         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
9551         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
9552         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
9553         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
9554         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
9555         (sse3_addsubv4sf3): Model correctly.
9556         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
9557         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
9558         (sse_movhlps): Model with vec_select+vec_concat.
9559         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
9560         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
9561         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
9562         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
9563         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
9564         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
9565         sse2_pshufhw_1): Likewise.
9566         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
9567         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
9568         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
9569         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
9570         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
9571         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
9572         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
9573         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
9574         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
9575         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
9576         sminv8hi3): Mark commutative
9577         operands.  Use ix86_binary_operator_ok.
9578         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
9579         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
9580         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
9581         sse2_punpcklqdq): Allow operand2 in memory.
9582         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
9583         sse2_movsd): Add memory alternatives.
9584         (sse_storelps): Turn expander into an insn; split after reload.
9585         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
9586         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
9587
9588 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9589
9590         * configure.ac (DWARF-2 debug_line): Use objdump.
9591         * configure: Regenerate.
9592
9593 2005-01-08  Jeff Law  <law@redhat.com>
9594             Diego Novillo  <dnovillo@redhat.com>
9595
9596         PR tree-optimization/18241
9597         * tree-nrv.c (tree_nrv): Ignore volatile return values.
9598         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
9599         statements with volatile operands.
9600         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
9601         operands after marking a statement with has_volatile_ops.
9602
9603 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9604
9605         * tree.c (int_fits_type_p): Always honor integer constant
9606         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
9607
9608 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9609
9610         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
9611         the latent bug in rtl_delete_block has been resolved.
9612
9613 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9614
9615         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
9616         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
9617
9618 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9619
9620         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
9621         library as @multilib_dir@/$(SHLIB_SONAME).
9622
9623 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9624
9625         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
9626         * configure: Regenerate.
9627
9628 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9629
9630         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
9631         TYPE_MODE.
9632
9633 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
9634
9635         PR target/13674
9636         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9637         Convert non-word aligned offset address using ld/std into
9638         indirect address.
9639
9640 2005-01-07  Richard Henderson  <rth@redhat.com>
9641
9642         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
9643
9644 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
9645
9646         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
9647
9648 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9649
9650         PR tree-optimization/19283
9651         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
9652         is not shorter than the original type.
9653
9654         PR rtl-optimization/19012
9655         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
9656
9657         PR rtl-optimization/18861
9658         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
9659         (FULL_STATE): Define.
9660         (mark_tablejump_edge): New function.
9661         (purge_dead_tablejump_edges): New function.
9662         (find_bb_boundaries): Use it.
9663
9664         PR tree-optimization/18828
9665         * builtins.c (expand_builtin_next_arg): Remove argument and all
9666         the argument checking.
9667         (expand_builtin): Adjust caller.
9668         (expand_builtin_va_start): Likewise.  Remove error for too many
9669         arguments.
9670         (fold_builtin_next_arg): Issue error for too many arguments.
9671         After checking arguments, replace them with magic arguments that
9672         prevent further checking of the args.
9673
9674 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9675
9676         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
9677
9678 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9679
9680         PR target/6077
9681         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
9682         and %{.S:...} (and their negative variants) to test whether the
9683         input file is assembler or pre-processed-assembler independent of
9684         the actual filename extension.
9685
9686 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9687
9688         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
9689         of sign or zero extended values.
9690
9691 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
9692
9693         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
9694         for IBM long double format correctly.
9695
9696 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
9697
9698         Fix PR tree-optimization/18792
9699
9700         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
9701         to first_loop_depth, and use loop depth instead of loop number.
9702         (build_classic_dir_vector): Ditto.
9703         (compute_data_dependences_for_loop): Use depth, not loop number.
9704         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
9705         number. Pass in loops, instead of loop numbers.
9706         (gather_interchange_stats): Ditto.
9707         (linear_transform_loops): Ditto.
9708
9709 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
9710
9711         PR rtl-opt/13299
9712         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
9713         biv_fits_mode_p, extension_within_bounds_p): New functions.
9714         (check_ext_dependent_givs): Use them.
9715
9716 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9717
9718         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
9719         more than one barrier, in which case we should delete them all.
9720
9721 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
9722
9723         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
9724
9725 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
9726
9727         Fix PR middle-end/19286
9728         Fix PR debug/19267
9729         * dwarf2out.c (gen_subprogram_die): If we've already tried to
9730         output this subprogram, simply ignore this attempt to do it again.
9731         (add_abstract_origin_attribute): Don't abort trying to add the abstract
9732         origin attribute if it's not possible.
9733         (gen_block_die): Don't ignore subblocks of "unused" blocks.
9734         (decls_for_scope): Ditto.
9735         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
9736         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
9737
9738 2005-01-05  Richard Henderson  <rth@redhat.com>
9739
9740         PR target/11327
9741         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
9742         (bdesc_2arg): Use it.
9743         (ix86_expand_binop_builtin): Force operands into registers
9744         when optimizing.
9745         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
9746         ix86_expand_sse_compare, ix86_expand_sse_comi,
9747         ix86_expand_builtin): Likewise.
9748
9749 2005-01-05  Richard Henderson  <rth@redhat.com>
9750
9751         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
9752         and VEC_SELECT.
9753         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
9754         (mulv4hi3): Set itanium_class mmmul.
9755         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
9756         (fpack): Rename from fpack_sfsf.
9757
9758 2005-01-05  Richard Henderson  <rth@redhat.com>
9759
9760         PR rtl-opt/10692
9761         * reload1.c (do_input_reload): Restrict the optimization deleteing
9762         a previous output reload to RELOAD_FOR_INPUT.
9763
9764 2005-01-05  Steven Bosscher  <stevenb@suse.de>
9765
9766         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
9767         comment that we fall through after case.
9768         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
9769         (distribute_links): Likewise.
9770         * cse.c (cse_insn): Likewise.
9771         * cselib.c (cselib_invalidate_mem): Likewise.
9772         * df.c: Update comments at the top of the file.
9773         (read_modify_subreg_p): Update comments here too.
9774         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
9775         * flow.c (mark_set_1): Likewise.
9776         (mark_used_regs): Likewise.
9777         * gcse.c (mems_conflict_for_gcse_p): Likewise.
9778         (canon_list_insert): Likewise.
9779         (mark_set): Likewise.
9780         (try_replace_reg): Likewise.
9781         (store_killed_in_insn): Likewise.
9782         * loop.c (count_one_set): Likewise.
9783         (basic_induction_var): Likewise.
9784         * postreload-gcse.c (find_mem_conflicts): Likewise.
9785         * postreload.c (reload_combine_note_store): Likewise.
9786         (move2add_note_store): Likewise.
9787         * reload.c (find_equiv_reg): Likewise.
9788         (mark_referenced_resources): Likewise.
9789         * rtlanal.c (set_noop_p): Likewise.
9790         (note_stores): Likewise.
9791         (note_uses): Likewise.
9792         * sched-deps.c (sched_analyze_1): Likewise.
9793         * sched-rgn.c (check_live_1): Likewise.
9794         (update_live_1): Likewise.
9795         * config/i860/i860.c: Likewise.
9796
9797         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
9798         an lvalue.
9799         (ZERO_EXTRACT): Mention that this one can be an lvalue.
9800
9801         * doc/rtl.texi: Update documentation for bit-fields and SET.
9802
9803 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9804
9805         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
9806
9807 2005-01-05  Jan Hubicka  <jh@suse.cz>
9808             Richard Henderson  <rth@redhat.com>
9809
9810         PR target/18910
9811         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
9812         with an offset.
9813
9814 2005-01-05  Richard Henderson  <rth@redhat.com>
9815
9816         PR target/12902
9817         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
9818         (sse_shufps): Change operand 3 to const_int_operand.
9819         (sse2_storelps): Fix typo in template.
9820         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
9821         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
9822         (ix86_expand_builtin): Likewise.
9823
9824 2005-01-05  Julian Brown  <julian@codesourcery.com>
9825
9826         * config/arm/arm.c (arm_return_in_memory): Treat complex types
9827         as aggregates for AAPCS ABIs.
9828
9829 2005-01-05  Stan Shebs  <shebs@apple.com>
9830
9831         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
9832         Mach-O getters if ppc64.
9833         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
9834         size argument.
9835         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
9836         signed four-byte field for global code case.
9837         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
9838
9839 2005-01-05  Roger Sayle  <roger@eyesopen.com>
9840
9841         PR middle-end/19100
9842         * c-common.c: Include real.h.
9843         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
9844         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
9845         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
9846         * Makefile.in (c-common.o): Update dependencies.
9847
9848 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9849
9850         * c-parse.in (asm_string): Add trailing semicolon.
9851
9852 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9853
9854         * c-parse.in (asm_string): New.  Don't allow wide strings in
9855         'asm'.
9856         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
9857         asm_string instead of STRING.
9858
9859 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
9860
9861         * c-typeck.c (constructor_no_implicit): Remove.
9862         (set_designator, process_init_element): Don't check
9863         constructor_no_implicit.
9864
9865 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
9866             Kaz Kojima  <kkojima@gcc.gnu.org>
9867
9868         PR target/16482
9869         * lcm.c (create_pre_exit): New.
9870         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
9871         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
9872
9873 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9874
9875         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
9876         -msoft-float in target_float_switch.
9877         * arm.c (arm_override_options): Fix processing of target_float_switch.
9878
9879 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
9880
9881         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
9882         preferencing.
9883
9884 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
9885
9886         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
9887         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
9888
9889 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9890
9891         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
9892         if deleting the then-block allows the test-block to fallthru to the
9893         else-block.
9894
9895 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
9896
9897         PR c/19152
9898         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
9899         after the full declaration if the are in two different TUs.
9900
9901 2005-01-04  Richard Henderson  <rth@redhat.com>
9902
9903         PR tree-opt/19158
9904         * tree-sra.c (generate_one_element_init): Just
9905         call gimplify_and_add.
9906         (generate_element_init): Record the
9907         new referenced variables and mark them for renaming
9908         and split out to ...
9909         (generate_element_init_1): This.
9910         (scalarize_init): Don't call push_gimplify_context/
9911         pop_gimplify_context.
9912
9913 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
9914
9915         * toplev.c (get_src_pwd): Handle failure of getpwd().
9916
9917 2005-01-04  Roger Sayle  <roger@eyesopen.com>
9918
9919         * fold-const.c (fold_single_bit_test): Delete unreachable handling
9920         of TRUTH_NOT_EXPR.
9921         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
9922         all the cases handled by it are inverted by invert_truthvalue.
9923
9924 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9925
9926         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
9927         (save_register_windowsi): Likewise.
9928
9929 2005-01-04  Richard Henderson  <rth@redhat.com>
9930
9931         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
9932
9933 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9934
9935         PR middle-end/17767
9936         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
9937         any simplifications of vector mode comparison operators.
9938         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
9939
9940 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
9941             Devang Patel  <dpatel@apple.com>
9942
9943         PR tree-optimization/18308
9944         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
9945         the operands before creating a new expression.
9946         * dojump.c (do_jump): Make drop_through_label available
9947         for all cases.  Add expansion of COND_EXPR.
9948
9949 2005-01-04  Ira Rosen  <irar@il.ibm.com>
9950
9951         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
9952         INTEGER_CST instead of TREE_CONSTANT.
9953         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
9954         instead of TREE_CONSTANT.
9955         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
9956         instead of TREE_CONSTANT.
9957
9958 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9959
9960         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
9961
9962 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
9963
9964         PR target/19240
9965         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
9966         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
9967
9968 2005-01-03  Richard Henderson  <rth@redhat.com>
9969
9970         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
9971         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
9972         fold_convert_const_real_from_real): Split out from ...
9973         (fold_convert_const): ... here.
9974
9975 2005-01-03  Richard Henderson  <rth@redhat.com>
9976
9977         PR target/19235
9978         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
9979         (mov<MMXMODEI>_internal): Likewise.
9980         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
9981         Add V2SF case; use it for SSE1; don't use TI.
9982         (movdf_integer): Likewise.
9983         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
9984
9985 2005-01-03  Ira Rosen  <irar@il.ibm.com>
9986
9987         * tree-vectorizer.c (vect_strip_conversions): New function.
9988         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
9989         check for binary class.
9990
9991 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
9992
9993         Fix PR debug/17924
9994         Fix PR debug/19191
9995         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
9996         is a decl.
9997         * gimple-low.c (mark_blocks_with_used_vars): New function.
9998         (mark_blocks_with_used_subblocks): Ditto.
9999         (mark_used_blocks): Ditto.
10000         (pass_mark_used_blocks): New pass.
10001         * tree-inline.c: Include debug.h.
10002         (expand_call_inline): Call outlining_inline_function here.
10003         * tree-optimize.c (init_tree_optimization_passes): Add
10004         pass_mark_used_blocks.
10005         * tree-pass.h (pass_mark_used_blocks): New.
10006         * Makefile.in (tree-inline.o): Add debug.h dependency.
10007
10008 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
10009
10010         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
10011         VAR_DECLs to have weak_import attribute.
10012
10013         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
10014         'struct ucontext'.
10015
10016 2004-01-03  Steven Bosscher  <stevenb@suse.de>
10017
10018         * passes.c (rest_of_compilation): Don't run regmove if only
10019         flag_expensive_optimizations, require flag_regmove instead.
10020
10021 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10022
10023         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
10024         register "sparc".
10025         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
10026         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10027         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
10028         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10029
10030 2005-01-03  Richard Henderson  <rth@redhat.com>
10031
10032         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
10033         (ia64_const_ok_for_letter_p): New.
10034         (ia64_const_double_ok_for_letter_p): New.
10035         (ia64_extra_constraint): New.
10036         (ia64_expand_vecint_compare): New.
10037         (ia64_expand_vcondu_v2si): New.
10038         (ia64_expand_vecint_cmov): New.
10039         (ia64_expand_vecint_minmax): New.
10040         (ia64_print_operand): Add 'v'.
10041         (ia64_preferred_reload_class): New.
10042         (ia64_vector_mode_supported_p): New.
10043         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
10044         (PREFERRED_RELOAD_CLASS): Move to function.
10045         (CONST_OK_FOR_LETTER_P): Move to function.
10046         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
10047         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
10048         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
10049         (EXTRA_CONSTRAINT): Move to function.
10050         * config/ia64/ia64.md: Include vect.md.
10051         (itanium_class): Add mmalua.
10052         (type): Handle it.
10053         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
10054         (1b_mmalua): New.
10055         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
10056         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
10057         CONST0_RTX.
10058         (const_int_2bit_operand): New.
10059         (fr_reg_or_0_operand): New.
10060         * config/ia64/ia64-modes.def: Add vector modes.
10061         * config/ia64/ia64-protos.h: Update.
10062         * config/ia64/vect.md: New file.
10063
10064 2005-01-03  Richard Henderson  <rth@redhat.com>
10065
10066         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
10067
10068 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10069
10070         PR target/19236
10071         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10072         to SFmode.
10073         (log1pdf2): Change mode of operands[0,1] to DFmode.
10074
10075 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10076
10077         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10078         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10079         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10080         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10081         SPARC_RELAXED_ORDERING.
10082
10083 2005-01-03  Richard Henderson  <rth@redhat.com>
10084             Uros Bizjak  <uros@kss-loka.si>
10085
10086         PR target/14631
10087         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10088         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10089         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10090         handling.
10091         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10092         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10093         const_pow2_1_to_128_operand): New predicates.
10094
10095 2005-01-02  Greg McGary  <greg@mcgary.org>
10096
10097         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10098         anonymous decls.
10099         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10100         object.  [ptr_type]: Remove unused variable.
10101         Remember nearest addressable array-element or record-component
10102         when checking bitfield components.  Tolerate empty BIND_EXPR.
10103
10104 2005-01-01  Richard Henderson  <rth@redhat.com>
10105
10106         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10107         that don't narrow the value.  Fail for other conversions.
10108
10109 2005-01-01  Richard Henderson  <rth@redhat.com>
10110
10111         PR c/19031
10112         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10113         * c-lang.c (finish_file): Don't do it here.
10114         * objc/objc-act.c (objc_finish_file): Likewise.
10115
10116         * cgraph.c (decl_assembler_name_equal): New.
10117         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10118         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10119         * cgraph.h (struct cgraph_varpool_node): Add next.
10120         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10121         * varasm.c (assemble_alias): Mark the target as needed.
10122
10123 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10124
10125         PR middle-end/19221
10126         * function.c (get_arg_pointer_save_area): Use entry_of_function
10127         instead of get_insns.
10128
10129 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10130             Andrew Pinski  <pinskia@physics.uc.edu>
10131             James E. Wilson  <wilson@specifixinc.com>
10132
10133         PR rtl-optimization/12092
10134         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10135         is zero.
10136
10137 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10138             Olivier Hainque  <hainque@act-europe.fr>
10139
10140         * tree.c (int_fits_type_p): A narrower type always fits in a
10141         wider one, except for negative values into unsigned types.
10142
10143 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10144
10145         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10146         with the original constant rather than require TREE_OVERFLOW.
10147
10148 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10149
10150         PR middle-end/17544
10151         * c-decl.c (finish_function): If compiling C99, annotate the
10152         compiler generated return with the current file name and line 0.
10153         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10154         the source line is greater than 0.
10155         (remove_bb): Likewise.