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