OSDN Git Service

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