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* local-alloc.c (update_equiv_regs): When substituting sole definition
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2
3         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
4         the correct set of init_insns that need deletion.
5         * local-alloc.c (update_equiv_regs): When substituting sole definition
6         into sole use of a reg, delete it from liveness information.
7
8 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
9
10         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
11
12 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
13
14         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
15         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
16         * fold-const.c (invert_tree_comparison): Make extern.
17         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
18         (struct value_range_def): Limewise.
19         (get_value_range): Remove.
20         (dump_value_range): Remove.
21         (dump_all_value_ranges): Remove.
22         (debug_all_value_ranges): Remove.
23         (vrp_evaluate_conditional): Declare.
24         * tree-ssa-propagate.c (struct prop_stats_d): Add field
25         num_pred_folded.
26         (substitute_and_fold): Add argument use_ranges_p.
27         Update all callers.
28         If use_ranges_p is true, call fold_predicate_in to fold
29         predicates using range information.
30         Ignore ASSERT_EXPRs.
31         Change debugging output to only show statements that have been
32         folded.
33         (replace_phi_args_in): Move debugging output code from
34         substitute and fold.
35         (fold_predicate_in): New local function.
36         * tree-ssa-propagate.h (enum value_range_type): Move from
37         tree-flow.h.
38         (struct value_range_d): Likewise.
39         Add field 'equiv'. 
40         (value_range_t): Rename from value_range.
41         * tree-vrp.c (found_in_subgraph): Rename from found.
42         (get_opposite_operand): Remove.
43         (struct assert_locus_d): Declare.
44         (assert_locus_t): Declare.
45         (need_assert_for): Declare.
46         (asserts_for): Declare.
47         (blocks_visited): Declare.
48         (vr_value): Declare.
49         (set_value_range): Add argument 'equiv'.
50         Don't drop to VARYING ranges that cover all values in the
51         type.
52         Make deep copy of equivalence set 'equiv'.
53         (copy_value_range): New local function.
54         (set_value_range_to_undefined): New local function.
55         (compare_values): Return -2 if either value has overflowed.
56         (range_includes_zero_p): New local function.
57         (extract_range_from_assert): Flip the predicate code if the
58         name being asserted is on the RHS of the predicate.
59         Avoid creating unnecessary symbolic ranges if the comparison
60         includes another name with a known numeric range.
61         Update the equivalnce set of the new range when asserting
62         EQ_EXPR predicates.
63         (extract_range_from_ssa_name): Update the equivalence set of
64         the new range with VAR.
65         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
66         If -fwrapv is used, set the resulting range to VARYING if the
67         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
68         TYPE_MAX_VALUE to represent -INF and +INF.
69         Fix handling of *_DIV_EXPR.
70         (extract_range_from_unary_expr): Handle MINUS_EXPR and
71         ABS_EXPR properly by switching the range around if necessary.
72         (extract_range_from_comparison): New local function.
73         (extract_range_from_expr): Call it.
74         (adjust_range_with_scev): Do not adjust the range if using
75         wrapping arithmetic (-fwrapv).
76         (dump_value_range): Also show equivalence set.
77         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
78         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
79         (infer_value_range): Change return value to bool.
80         Add arguments 'comp_code_p' and 'val_p'.
81         Do not attempt to infer ranges from statements that may throw.
82         Store the comparison code in comp_code_p.
83         Store the other operand to be used in the predicate in val_p.
84         (dump_asserts_for): New.
85         (debug_asserts_for): New.
86         (dump_all_asserts): New.
87         (debug_all_asserts): New.
88         (register_new_assert_for): New.
89         (register_edge_assert_for): New.
90         (find_conditional_asserts): New.
91         (find_assert_locations): New.
92         (process_assert_insertions_for): New.
93         (process_assert_insertions): New.
94         (insert_range_assertions): Initialize found_in_subgraph,
95         blocks_visited, need_assert_for and asserts_for.
96         Call find_assert_locations and process_assert_insertions.
97         (remove_range_assertions): Add more documentation.
98         (vrp_initialize): Change return type to void.
99         Do not try to guess if running VRP is worth it.  
100         (compare_name_with_value): New.
101         (compare_names): New.
102         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
103         use_equiv_p is true, call compare_names and
104         compare_name_with_value to compare all the ranges for every
105         name in the equivalence set of the predicate operands.
106         Update all callers.
107         (vrp_meet): Try harder not to derive a VARYING range.
108         If two values meet, the resulting equivalence set is the
109         intersection of the two equivalence sets.
110         (vrp_visit_phi_node): Call copy_value_range to get the current
111         range information of the LHS.
112         (vrp_finalize): Create a value vector representing all the
113         names that ended up with exactly one value in their range.
114         Call substitute_and_fold.
115         (execute_vrp): Document equivalence sets in ranges.
116         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
117         (struct tree_ssa_name): Remove field value_range.
118         (invert_tree_comparison): Declare.
119
120 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
121
122         Fix PR tree-optimization/21839
123
124         * gimplify.c (zero_sized_field_decl): New function.
125         (gimplify_init_ctor_eval): Use it.
126
127 2005-06-01  Josh Conner <jconner@apple.com>
128
129         PR 21478
130         * gimplify.c (gimplify_init_constructor): Don't spill initializer
131         to read-only memory if it's sparse.
132
133 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
134
135         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
136         Add documentation for REG_SETJMP
137
138 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
139
140         * stmt.c (expand_case): Use build_int_cst.
141         (node_has_low_bound): Likewise, and correct type mismatch.
142         (node_has_high_bound): Likewise.
143         * fold-const.c (fold_binary): Ensure we build trees
144         with the correct types - undo what STRIP_NOPS possibly did.
145
146 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
147
148         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
149         * fold-const.c (fold_indirect_ref_1): No longer static.
150         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
151         folding, if possible.
152
153 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
154
155         * common.opt (fjump-tables): New.
156         * doc/invoke.texi (-fno-jump-tables): Document.
157         * stmt.c (expand_end_case_type): Do not emit jump tables unless
158         flag_jump_tables.
159
160 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
161
162         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
163         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
164         (sunlt, sunle): Enable patterns on VFP.
165
166         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
167         f_stored, f_flag, f_cvt.
168         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
169         Include arm1020e.md.
170         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
171         the ds and fmac pipelines.  Re-work all load and store patterns and
172         all conversion patterns to use new attributes.  Adjust reservation
173         descriptions accordingly.
174         * arm1020e.md: New file.
175         * t-arm: Add dependency.
176
177 2005-06-01  Jan Hubicka  <jh@suse.cz>
178
179         * except.c (struct eh_region): Kill unused fields.
180         * basic-block.h (struct basic_block_def): Likewise.
181
182 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
183
184         PR rtl-optimization/21767
185         * rtl.h (function_invariant_p): Re-add declaration.
186         * reload1.c (function_invariant_p): No longer static.
187         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
188         might have become invalid.
189
190 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
191
192         PR c/21536
193         PR c/20760
194         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
195         on variable sizes types if a decl is a pointer to a VLA.
196         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
197         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
198         recursion.
199
200         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
201
202         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
203         _mm_set_ps, _mm_setr_ps): Add __extension__.
204         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
205         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
206         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
207         Likewise.
208         (_mm_clflush): Don't use return in void function.
209
210         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
211         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
212         Use __inline instead of inline.
213
214 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
215
216         * fold-const.c (fold_binary): Fix types in strlen vs.
217         zero comparison folding.
218
219 2005-06-01  Richard Henderson  <rth@redhat.com>
220
221         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
222         * config.in, configure: Rebuild.
223         * config/alpha/alpha.c (print_operand): Add 'j'.
224         * alpha.md (divmodsi_internal_er_1): Use it.
225         (divmoddi_internal_er_1): Likewise.
226
227 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
228
229         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
230         * opts.h (print_filtered_help): Delete.
231         * opts.c (handle_option, decode_options): Remove calls to
232         set_target_switch.
233         (print_target_help): New function.
234         (common_option, print_help): Call print_target_help instead of
235         display_target_options.
236         (print_filtered_help): Make static.
237         * toplev.h (display_target_options, set_target_switch): Delete.
238         * toplev.c (target_switches, target_options, display_target_options)
239         (set_target_switch): Delete.
240         (print_switch_values): Remove handling of TARGET_SWITCHES and
241         TARGET_OPTIONS.
242         (default_get_pch_validity): Likewise.  Only treat target_flags
243         specially if targetm.check_pch_target_flags is nonnull.
244         (pch_option_mismatch): New function.
245         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
246         and TARGET_OPTIONS.  Only treat target_flags specially if
247         targetm.check_pch_target_flags is nonnull.
248         * config/ia64/ia64.c (ia64_override_options): Don't mention
249         TARGET_OPTIONS in comment.
250         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
251         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
252         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
253         interaction with TARGET_SWITCHES.
254         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
255
256 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
257
258         * config/sh/sh.c (multcosts): Check sh_multcost rather than
259         sh_multcost_str.
260         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
261         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
262         (cut2_workaround_str): Delete.
263         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
264         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
265         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
266         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
267         (mgettrcost=, multcost=): New options.
268
269 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
270
271         * opts.h (cl_option_state): New structure.
272         (get_option_state): Declare.
273         * opts.c (get_option_state): New function.
274         * toplev.c (option_affects_pch_p): New function.
275         (default_get_pch_validity): Store the state of all options for which
276         option_affects_pch_p returns true.
277         (default_pch_valid_p): Check the state of those options here.
278         Only check target_flags separately if targetm.check_pch_target_Flags
279         is nonnull or if TARGET_SWITCHES is defined.
280
281 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
282
283         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
284         names.
285
286 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
287
288         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
289
290 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
291
292         * gcse.c (compute_transp, load_killed_in_block): Use 
293         MEM_READONLY_P.
294
295 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
296
297         PR target/21854
298         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
299         
300 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
301
302         * errors.h (warning, error, fatal, internal_error): Add printf
303         attribute.
304         * genmodes.c (make_vector_mode): Fix format arguments.
305
306 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
307
308         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
309         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
310         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
311         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
312         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
313         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
314         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
315         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
316         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
317         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
318         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
319         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
320         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
321         errors.h and include toplev.h if necessary.
322         
323         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
324         errors.h otherwise include toplev.h.
325         
326         * Makefile.in: Update dependencies.
327         
328 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
329
330         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
331
332 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
333
334         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
335         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
336         be complemented for big-endian.  Mask for AND must be rotated,
337         not shifted.  Handle short operands with NOT on the memory
338         operation.
339
340 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
341
342         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
343         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
344         * dwarf2out.c (dwarf2out_var_location): Ditto.
345         * toplev.c (default_tree_printer): Ditto.
346         * tree-outof-ssa.c (create_temp): Ditto.
347         * tree-sra.c (instantiate_element): Ditto.
348         * var-tracking.c (track_expr_p): Ditto.
349         * tree.c (struct tree_map): New structure.
350         (debug_expr_for_decl): New.
351         (tree_map_eq): New function.
352         (tree_map_hash): Ditto.
353         (tree_map_marked_p): Ditto.
354         (print_debug_expr_statistics): Ditto.
355         (decl_debug_expr_lookup): Ditto.
356         (decl_debug_expr_insert): Ditto.
357         (dump_tree_statistics): Dump debug_expr hashtable stats.
358         * tree.h (DECL_DEBUG_EXPR): Change
359         (SET_DECL_DEBUG_EXPR): Add.
360         
361 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
362
363         * configure.ac: Add --enable-secureplt.
364         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
365         * config.in: Regenerate.
366         * configure: Regenerate.
367         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
368         rs6000/secureplt.h to tm_file when enable_secureplt.
369         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
370         * doc/install.texi: Document --enable-targets and --enable-secureplt.
371         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
372         * config/rs6000/secureplt.h: New file.
373         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
374         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
375         assembler support.
376         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
377         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
378         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
379         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
380         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
381         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
382         TARGET_SECURE_PLT got register load sequence.
383         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
384         TARGET_SECURE_PLT.
385         (rs6000_elf_declare_function_name): Don't emit toc address offset
386         word when TARGET_SECURE_PLT.
387         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
388         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
389         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
390         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
391         TARGET_SECURE_PLT.
392         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
393         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
394         and -fPIC.
395         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
396         (__trampoline_setup): Likewise.  Init r30 before plt call.
397
398 2005-05-31  DJ Delorie  <dj@redhat.com>
399
400         * expr.c (convert_move): When a partial_int requires multiple
401         conversion steps, make sure successive steps convert the
402         intermediate value, not the original value.
403
404         * expmed.c (expand_mult): Convert partial_int multiplies to
405         shift/add combinations too.
406
407         * genmodes.c (mode_data): Add wider_2x.
408         (calc_wider_mode): Calculate twice-wider mode too.
409         (emit_mode_wider): Emit twice-wider mode too.
410         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
411         * expr.c (expand_expr_real_1): Use it for expanding
412         multiplies.
413
414 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
415
416         PR tree-optimization/21817
417         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
418
419 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
420
421         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
422         change.
423
424 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
425
426         PR middle-end/20931
427         PR middle-end/20946
428         * fold-const.c (fold_checksum_tree): Copy types also if
429         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
430         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
431         first.
432         Tail recurse TREE_LIST's TREE_CHAIN.
433
434 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
435
436         PR tree-opt/21732
437         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
438         SSA_NAME twice and cause the loop to become finite.  Remove the test
439         for val.
440
441 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
442
443         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
444         expression.
445
446 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
447
448         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
449         the documentation to make it more future-proof.
450         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
451         * target.h (gcc_target): Add check_pch_target_flags.
452         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
453         (TARGET_INITIALIZER): Include it.
454         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
455         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
456         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
457         (sh_check_pch_target_flags): New function.
458         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
459
460 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
461
462         * fold-const.c (extract_array_ref): Handle more cases,
463         do some useful canonicalization of the base.
464         (fold_binary): Explicitly deal with arrays of zero-sized
465         structures during folding of &a[i] == &a[j].
466
467 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
468
469         * doc/install.texi (sparc-sun-solaris2*): Update note
470         about Sun bug 4910101.
471         (sparc-sun-solaris2.7): Document bootstrap
472         failure with Sun WorkShop 6 99/08/18 as.
473
474 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
475
476         * loop.c (loop_invariant_p, valid_initial_value_p): Use
477         regs_invalidated_by_call instead of call_used_regs.
478
479 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
480
481         PR middle-end/21743
482         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
483         Enable.
484         * doc/extend.texi: Add clog, clogf, clogl.
485
486 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
487
488         PR middle-end/20303
489         * c-pragma.c: Include "vec.h".
490         (handle_pragma_visibility): Use VEC.
491
492         * doc/invoke.texi: Remove the nested visibility push limit.
493
494 2005-05-30  Roger Sayle  <roger@eyesopen.com>
495
496         PR rtl-optimization/15422
497         * reg-stack.c (starting_stack_p): New static global.
498         (straighten_stack): Delete prototype. Change to update the stack
499         before the current insn.
500         (subst_stack_regs): Update call to straighten stack.
501         (emit_swap_insn): Delete prototype.  For the first insn in a
502         basic block, update stack_in instead of emitting a real swap.
503         (change_stack): When changing the stack before the first insn
504         in a basic block, update stack_in instead of emitting real code.
505         (compensate_edges): Clear starting_stack_p during compensation.
506         (convert_regs_1): Keep track of starting_stack_p whilst processing
507         a basic block.
508
509 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
510
511         * tree-ssa-ccp.c (const_val): Make it static.
512
513 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
514
515         PR target/21761
516         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
517         pattern involving `:P'.
518
519         * Makefile.in (install-cpp): Depend on installdirs.
520
521 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
522
523         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
524         to VEC(int,heap)*.
525         (new_elim_graph, clear_elim_graph, delete_elim_graph,
526         elim_graph_add_edge, elim_graph_remove_succ_edge,
527         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
528         instead of VARRAY.
529
530 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
531
532         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
533         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
534         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
535         follow spelling conventions in error/dump messages.
536
537 2005-05-29  Roger Sayle  <roger@eyesopen.com>
538             Richard Henderson  <rth@redhat.com>
539
540         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
541         if the RHS isn't suitable for calling emit_move_insn.
542
543 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
544
545         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
546         fold_unary and fold_binary.
547
548 2005-05-29  Roger Sayle  <roger@eyesopen.com>
549
550         * reg-stack.c (propagate_stack): Always copy the source stack to
551         the destination.  This routine is now only called when this is safe.
552         (better_edge): New function split out from convert_regs_1 to
553         determine which of two edges is better to propagate across.
554         (convert_regs_1):  We need only search for a best edge if the
555         stack layout hasn't been defined yet.  Use better_edge to help
556         find beste.  No longer traverse unnecessary edges.
557
558 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
559
560         * tree-ssa-alias.c (new_type_alias): New procedure to
561         create a type memory tag for a pointer with a may-alias
562         set determined from a variable declaration.
563         * tree-flow.h: export declaration of new_type_alias
564         * tree-optimize.c (init_tree_optimization_passes): document
565         that pass_may_alias cannot be called after pass_vectorize.
566         * tree-vect-transform (vect_create_data_ref_ptr): Call
567         new_type_alias when an type memory tag isn't available
568         for a reference.
569         (vectorizable_store): Use copy_virtual_operands to update
570         virtual defs in place (so that loop_version can be called).
571         Call mark_for_renaming for the virtual defs in case peeling
572         is done and virtual uses outside the loop need to be updated.
573
574 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
575
576         PR tree-optimization/21639
577         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
578
579 2005-05-29  Jan Hubicka  <jh@suse.cz>
580
581         PR tree-optimization/21562
582         * cfgexpand.c (construct_init_block): Deal properly with the case
583         of entry edge not pointing to very first basic block.
584
585 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
586
587         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
588         non-gimple min invariant.
589
590         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
591         * tree-flow.h: Add prototypes for start_recording_case_labels
592         and end_recording_case_labels.
593         * tree-cfg.c (start_recording_case_labels,
594         end_recording_case_labels): Export.
595         (cleanup_tree_cfg_loop, modified_noreturn_calls,
596         cleanup_control_flow, cleanup_control_expr_graph,
597         remove_fallthru_edge, phi_alternatives_equal,
598         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
599         remove_forwarder_block, cleanup_forwarder_blocks,
600         remove_forwarder_block_with_phi, merge_phi_nodes,
601         gate_merge_phi, pass_merge_phi): Move to ...
602         * tree-cfgcleanup.c: ... here.
603
604         * basic-block.h: Remove forward declaration of bb_ann_d.
605
606 2005-05-28  Jan Hubicka  <jh@suse.cz>
607
608         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
609         Update profile.
610         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
611         debug output.
612         (tree_mod_subtract): Fix profile updating code.
613         (tree_divmod_values_to_profile): Do not produce useless value profilers
614         for divisions.
615
616 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
617
618         * tree-ssa-dom.c (vrp_element_p): Define.
619         (vrp_hash_elt): Change the type of records to
620         VEC(vrp_element_p,heap).
621         (vrp_free): New.
622         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
623         Update uses of VRP records.
624         (simplify_cond_and_lookup_avail_expr, record_range): Update
625         uses of VRP records.
626
627         * tree-inline.c (cfun_stack): Change the type to
628         VEC(function_p,heap).
629         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
630
631 2005-05-27  Ian Lance Taylor  <ian@airs.com>
632
633         * c-decl.c (add_stmt): Add C frontend specific version.
634         (stmts_are_full_exprs_p): Remove.
635         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
636         (stmts_are_full_exprs_p): Don't declare.
637         * c-semantics.c (add_stmt): Remove.
638
639 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
640
641         * config/mips/mips-protos.h (mips_declare_object): Add printf
642         attribute.
643         * config/mips/mips.c (mips_declare_object_name): Fix format
644         argument.
645
646 2005-05-27  Roger Sayle  <roger@eyesopen.com>
647
648         * reg-stack.c (compensate_edge): Remove original prototype.
649         (propagate_stack): New function to copy the stack layout
650         at the start of a basic block from the layout at the end of
651         one of its predecessors.
652         (compensate_edge): Assume that both source and destination
653         blocks have already had their stack layouts defined.
654         (compensate_edges): Traverse all non-entry edges in the CFG
655         and call compensate_edge on each in turn.
656         (convert_regs_1): Change return type to void.  Call
657         propagate_stack instead of compensate_edge.
658         (convert_regs_2): Change return type to void.  Update call
659         to convert_regs_1 to ignore the (now void) return value.
660         (convert_regs): Update calls to convert_regs_2 to ignore
661         the (now void) return value.  After all the basic blocks have
662         been processed, call compensate_edges to actually emit new
663         insns.
664         (reg_to_stack): Initialize the aux info for each basic block
665         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
666
667 2005-05-28  Jan Hubicka  <jh@suse.cz>
668
669         * except.c (can_throw_internal_1, can_throw_external_1): Add 
670         "is_resx" argument.
671         (can_throw_external, can_throw_internal): Bring into sync wrt
672         dealing resx.
673         * except.h (can_throw_internal_1, can_throw_external_1): Update
674         prototype.
675         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
676         Deal properly with resx.
677
678 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
679
680         * basic-block.h (basic_block_def): Add phi_nodes and
681         predictions.  Remove tree_annotations.
682         * predict.c (tree_predicted_by_p, tree_predict_edge,
683         combine_predictions_for_bb): Adjust references to predictions.
684         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
685         create_block_annotation.
686         (create_block_annotation, free_blocks_annotatios,
687         clear_blocks_annotations): Remove.
688         (dump_cfg_stats): Don't print out the memory spent on
689         bb_ann_d.
690         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
691         * tree-flow-inline.h (bb_ann): Remove.
692         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
693         * tree-flow.h (bb_ann_d): Remove.
694         * tree-if-conv.c (process_phi_nodes): Update a reference to
695         phi_nodes.
696         * tree-phinodes.c (reserve_phi_args_for_new_edge,
697         create_phi_node, remove_phi_node): Likewise.
698         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
699         * tree-ssa-dom.c (threaded_blocks): New.
700         (tree_ssa_dominator_optimize): Initialize, clear, and free
701         threaded_blocks. Update a call to thread_through_all_blocks.
702         (thread_across_edge): Use threaded_blocks instead of setting
703         incoming_edge_threaded.
704         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
705         a bitmap of blocks that are threaded through.
706         * tree.h: Move the prototype of threaded_through_blocks to
707         tree-flow.h.
708
709         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
710         fini_walk_dominator_tree): Use VEC instead of VARRAY.
711         * domwalk.h (dom_walk_data): Change the type of
712         block_data_stack and free_block_data to VEC(void_p,heap)*.
713         * tree-ssa-dse.c (dse_initialize_block_local_data,
714         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
715         VEC instead of VARRAY.
716
717 2005-05-27  Jan Hubicka  <jh@suse.cz>
718
719         * cgraph.c: Include tree-gimple.h
720         (cgraph_edge): Rename expr to stmt.
721         (cgraph_create_edge): Likewise.
722         (cgraph_clone_node): Likewise.
723         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
724         * cgraphunit.c (record_call_1): Rename to ...
725         (record_reference): ... this one; do not build edges.
726         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
727         (current_basic_block): Kill.
728         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
729         (verify_cgraph_node): Likewise.
730         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
731         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
732         (copy_edges_for_bb): Simplify EH handling.
733         (expand_call_inline): Pass statement to cgraph_edge and
734         cgraph_create_edge.
735
736 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
737
738         * tree-inline.c (copy_body_r): Manually fold *& to deal
739         with ADDR_EXPRs with mismatched types for now.
740
741         * gimplify.c (fold_indirect_ref_rhs): New function.
742         (gimplify_modify_expr_rhs): Use it instead of pessimistic
743         fold_indirect_ref.
744
745         * fold-const.c (fold_indirect_ref_1): Add type argument;
746         make sure the resulting expression is of this type.
747         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
748
749 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
750
751         PR tree-optimization/21658
752         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
753         fold_binary_to_constant.  Likewise, call fold_unary instead of
754         fold_unary_to_constant.
755
756 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
757
758         * vec.h: Implement integral type vector specialization.
759         (VEC_T): Define a non-GTY structure.
760         (VEC_T_GTY): Define a GTY structure.
761         (VEC_TA): Rename to ...
762         (VEC_TA_GTY): ... here.
763         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
764         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
765         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
766         DEF_VEC_P and DEF_VEC_ALLOC_P.
767         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
768         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
769         DEF_VEC_O and DEF_VEC_ALLOC_O.
770         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
771         * lambda-code.c: Likewise.
772         * tree-into-ssa.c: Likewise.
773         * tree-ssa-live.c: Likewise.
774
775 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
776
777         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
778         is up-to-date.
779         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
780         update_stmt_if_modified before calling update_ssa.
781
782 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
783
784         * config/rs6000/t-rtems: Remove roe multilib variant.
785
786 2005-05-26  Roger Sayle  <roger@eyesopen.com>
787
788         PR tree-optimization/9814
789         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
790         instruction, add the necessary clobbers by re-expanding the RTL
791         for arithmetic operations via optab.c's expand_unop/expand_binop.
792         (noce_try_bitop): New function to optimize bit manipulation idioms
793         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
794         (noce_process_if_block): Call noce_try_bitop.
795
796 2005-05-26  Roger Sayle  <roger@eyesopen.com>
797
798         * reg-stack.c (convert_regs_entry, convert_regs_exit,
799         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
800         (reg_to_stack): Move to end of the file.  Initialize the per
801         basic block information here, instead of...
802         (convert_regs_entry): Here.
803         (convert_regs): Change unused return type to void.
804
805 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
806
807         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
808         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
809         config/rs6000/eabispe.h, config/rs6000/lynx.h,
810         config/sh/elf.h, config/sh/symbian-pre.h,
811         config/sparc/sparc-protos.h: Update copyright.
812
813 2005-05-26  Mike Stump  <mrs@apple.com>
814
815         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
816         for Objective-C++.
817         
818 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
819
820         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
821         See through ADDR_EXPR in finding place to propagate into.
822
823 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
824
825         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
826         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
827         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
828         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
829         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
830         tree-ssa-operands.c, tree-vect-analyze.c,
831         tree-vect-transform.c, tree-vectorizer.c, tree.c,
832         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
833         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
834         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
835         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
836         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
837         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
838         config/sh/ushmedia.h, config/sparc/sparc.c,
839         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
840         typos.  Follow spelling conventions.
841         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
842         Follow spelling conventions.
843
844 2005-05-26  David Ung  <davidu@mips.com>
845
846         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
847         that determines whether the MIPS32/64 R2 ext/ins should be used.
848         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
849         * config/mips/mips.md (extzv): Changed predicate for operand to
850         nonimmediate_operand. Add code to generate insn patterns for
851         extzvsi and extzvdi.
852         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
853         (insv): Similarly for insertion.
854         (insv<mode>): Similarly.
855
856 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
857
858         * simplify-rtx.c (avoid_constant_pool_reference): Support
859         offsetted addresses in the constant pool.
860
861 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
862
863         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
864         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
865
866 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
867
868         PR target/21716
869         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
870         found in the basic block and last insn in the basic block is not
871         INSN_P.  Remove explicit unspec numbers that are no longer valid
872         from comments.
873
874 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
875
876         * tree-vect-transform.c (vectorizable_operation): Try word_mode
877         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
878         if a vector mode is available.
879
880 2005-05-25  Roger Sayle  <roger@eyesopen.com>
881
882         PR middle-end/21709
883         * fold-const.c (const_binop): Check for division by zero during
884         complex division.
885
886 2005-05-26  Ian Lance Taylor  <ian@airs.com>
887
888         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
889         having a declaration after a statement.
890
891 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
892
893         * opt-functions.awk (var_type): New function.
894         (var_set): Use CLVC_STRING if var_type returns "const char *".
895         * opth-gen.awk: Use var_type to find out the types of variables.
896         Don't print comments above each "extern" definition.
897         * optc-gen.awk: Use var_type in the same way.
898         * opts.h (cl_var_cond): Rename to...
899         (cl_var_type): ...this.  Add CLVC_STRING.
900         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
901         with "var_type".
902         * opts.c (handle_option, option_enabled): Update after above name
903         change.  Cast flag_var before using it.  Handle CLVC_STRING.
904         
905         * config/alpha/alpha.h (alpha_tls_size): Delete.
906         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
907         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
908         (alpha_fptm_string, alpha_mlat_string): Delete.
909         (alpha_handle_option): Don't set the above variables here.  Use the
910         integer argument to check the validity of -mtls-size=.
911         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
912         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
913         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
914         variable to 32.
915
916         * config/arc/arc.c (arc_cpu_string, arc_text_string)
917         (arc_data_string, arc_rodata_string): Delete.
918         (arc_handle_option): Don't set the above variables here.
919         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
920         and initialize them.
921
922         * config/arm/arm.c (target_fpu_name, target_fpe_name)
923         (target_float_abi_name, target_abi_name, structure_size_string)
924         (arm_pic_register_string): Delete.
925         (arm_handle_option): Don't set the above variables here, except
926         in the handling of -mhard-float and -msoft-float.
927         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
928         (mpic-register=, mstructure-size-boundary=): Add Var()s.
929
930         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
931         (avr_handle_option): Delete.
932         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
933         them.
934
935         * config/bfin/bfin.c (bfin_library_id): Delete.
936         (bfin_handle_option): Don't set it.
937         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
938
939         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
940         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
941         (c4x_handle_option): Don't set c4x_rpts_cycles here.
942         * config/c4x/c4x.opt (mrpts=): Add Var().
943
944         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
945         cris_elinux_stacksize_str here.
946         * config/cris/aout.opt (melinux-stacksize=): Add Var().
947         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
948         (cris_tune_str, cris_elinux_stacksize_str): Delete.
949         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
950         (cris_tune_str, cris_elinux_stacksize_str): Delete.
951         (cris_handle_option): Don't set the above variables here.
952         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
953         (max-stackframe=): Add Var()s.
954
955         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
956         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
957         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
958         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
959         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
960         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
961         (ix86_handle_option): Don't set the above variables here.
962         * config/i386/i386.opt (malign-functions=, malign-jumps=)
963         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
964         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
965         Var()s.
966
967         * config/ia64/ia64.h (ia64_tls_size): Delete.
968         * config/ia64/ia64.c (ia64_tls_size): Delete.
969         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
970         reading the integer argument from the "value" parameter.  Don't
971         set ia64_tls_size here.
972         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
973         Add Var() and Init().
974
975         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
976         (m32r_cache_flush_trap): Delete.
977         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
978         (m32r_cache_flush_trap): Delete.
979         (m32r_handle_option): Don't set the above variables when handling
980         -mflush-func= and -mflush-trap=.
981         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
982         and Init()s.
983
984         * config/mips/mips.h (mips_cache_flush_func): Delete.
985         * config/mips/mips.c (mips_arch_string, mips_tune_string)
986         (mips_cache_flush_func): Delete.
987         (mips_handle_option): Don't set the above variables when handling
988         -march=, -mtune= and -mflush-func=.
989         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
990
991         * config/s390/s390.c (s390_arch_string): Delete.
992         (s390_handle_option): Don't set it here.
993         * config/s390/s390.opt (march=): Add Var().
994
995         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
996         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
997         (sparc_handle_option): Don't set it here.
998         * config/sparc/sparc.opt (mcmodel=): Add Var().
999
1000 2005-05-25  Roger Sayle  <roger@eyesopen.com>
1001
1002         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
1003         call to convert_to_integer by building the NOP_EXPR directly.
1004
1005 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
1006
1007         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
1008
1009 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
1010             Jeff Law  <law@redhat.com>
1011
1012         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
1013         constant and side_effects of the ADDR_EXPR are consistent.
1014
1015         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
1016         appropriately around calls to recompute_tree_invarant_for_addr_expr.
1017
1018 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
1019
1020         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
1021         (s390_function_arg, s390_gimplify_va_arg): Use them.
1022         (s390_register_info): Save only required subset of argument
1023         registers into save area for va_list.
1024         (s390_va_start): Initialize only required elements of va_list struct.
1025         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
1026
1027 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
1028
1029         * reload1.c (verify_initial_elim_offsets): Return boolean status
1030         instead of aborting.
1031         (reload): Adapt verify_initial_elim_offsets call site.  Restart
1032         main loop if some initial elimination offsets changed.
1033
1034 2005-05-25  Adam Nemet  <anemet@lnxw.com>
1035
1036         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
1037         of -mno-svr4-struct-return.
1038
1039 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
1040
1041         Fix PR tree-optimization/21705
1042         
1043         * tree-ssa-pre.c (in_fre): New static variable.
1044         (create_value_expr_from): Recursively value number reference ops
1045         in argument lists.
1046         (can_value_number_call): Temporary restrict only exists for
1047         PRE, not FRE.
1048
1049 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
1050
1051         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
1052         sizeof (bitmap *) with sizeof (bitmap).
1053
1054 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
1055
1056         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
1057         condition.
1058
1059 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
1060
1061         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
1062         hook_bool_rtx_true.
1063
1064 2005-05-25  Jan Hubicka  <jh@suse.cz>
1065
1066         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
1067         * cgraph.c (cgraph_create_node): Reset estimated_growth.
1068         * cgraph.h (cgraph_global_info): Add estimated_growth.
1069         * ipa-inline.c: Include coverage.h
1070         (max_insns, max_count): New static variables.
1071         (cgraph_estimate_size_after_inlining): Cache the result.
1072         (cgraph_estimate_growth):
1073         * passes.c (rest_of_clean_state): Kill coverage_end_function.
1074         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
1075         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
1076         inlining.
1077         (ipa_passes): Initialize bitmaps.
1078
1079 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
1080
1081         * loop-doloop.c: Include "target.h". 
1082           (doloop_valid_p): Move tests to function in targhooks.c.
1083         * target.h (struct gcc_target): New target hook
1084           "insn_valid_within_doloop".
1085         * target-def.h: Define default value for "insn_valid_within_doloop".
1086           (TARGET_INITIALIZER): Insert new target hook into initializer.
1087         * targhooks.c (default_insn_valid_within_doloop): New function.
1088         * targhooks.h (default_insn_valid_within_doloop): Declare.
1089         * hooks.c (hook_bool_rtx_true): New function.
1090         * hooks.h (hook_bool_rtx_true): Declare.
1091         * doc/tm.texi: Add documentation for new target hook.
1092
1093 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
1094
1095         PR target/21412
1096         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
1097         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
1098         (sparc_tls_referenced_p): New prototype.
1099         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
1100         (sparc_expand_move): Look for TLS addresses with constant offsets.
1101         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
1102         tls_symbolic_operand.
1103         (legitimate_pic_operand_p): Likewise.
1104         (legitimate_address_p): Likewise.
1105         (legitimize_address): Likewise.
1106         (sparc_tls_symbol_ref_1): New function.
1107         (sparc_tls_referenced_p): New function.
1108         * config/sparc/predicates.md (tgd_symbolic_operand): Use
1109         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
1110         (tld_symbolic_operand): Likewise.
1111         (tie_symbolic_operand): Likewise.
1112         (tle_symbolic_operand): Likewise.
1113
1114 2005-05-24  DJ Delorie  <dj@redhat.com>
1115         
1116         * common.opt (-Wattributes): New.  Default true.
1117         * doc/invoke.texi (-Wno-attributes): Document.
1118         
1119         * attribs.c (decl_attributes): Move warning control from if() to
1120         warning(OPT_*).
1121         * c-common.c (handle_packed_attribute): Likewise.
1122         (handle_nocommon_attribute): Likewise.
1123         (handle_common_attribute): Likewise.
1124         (handle_noreturn_attribute): Likewise.
1125         (handle_noinline_attribute): Likewise.
1126         (handle_always_inline_attribute): Likewise.
1127         (handle_used_attribute): Likewise.
1128         (handle_unused_attribute): Likewise.
1129         (handle_const_attribute): Likewise.
1130         (handle_transparent_union_attribute): Likewise.
1131         (handle_constructor_attribute): Likewise.
1132         (handle_destructor_attribute): Likewise.
1133         (handle_mode_attribute): Likewise.
1134         (handle_alias_attribute): Likewise.
1135         (handle_visibility_attribute): Likewise.
1136         (handle_tls_model_attribute): Likewise.
1137         (handle_malloc_attribute): Likewise.
1138         (handle_returns_twice_attribute): Likewise.
1139         (handle_pure_attribute): Likewise.
1140         (handle_deprecated_attribute): Likewise.
1141         (handle_vector_size_attribute): Likewise.
1142         (handle_nothrow_attribute): Likewise.
1143         (handle_cleanup_attribute): Likewise.
1144         (handle_warn_unused_result_attribute): Likewise.
1145         (handle_sentinel_attribute): Likewise.
1146         * c-decl.c (diagnose_mismatched_decls): Likewise.
1147         (start_decl): Likewise.
1148         (grokdeclarator): Likewise.
1149         (start_function): Likewise.
1150         * c-format.c (check_function_format): Likewise.
1151         * stor-layout.c (place_field): Likewise.
1152         (finalize_record_size): Likewise.
1153         * tree.c (handle_dll_attribute)): Likewise.
1154         * varasm.c (default_assemble_visibility): Likewise.
1155         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
1156         (darwin_assemble_visibility): Likewise.
1157         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
1158         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
1159         (arm_handle_isr_attribute): Likewise.
1160         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
1161         (avr_handle_fndecl_attribute): Likewise.
1162         * config/bfin/bfin.c (handle_int_attribute): Likewise.
1163         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
1164         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
1165         (h8300_handle_eightbit_data_attribute): Likewise.
1166         (h8300_handle_tiny_data_attribute): Likewise.
1167         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
1168         (ix86_handle_regparm_attribute): Likewise.
1169         (ix86_handle_struct_attribute): Likewise.
1170         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
1171         (i386_pe_encode_section_info): Likewise.
1172         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1173         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
1174         (ip2k_handle_fndecl_attribute): Likewise.
1175         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
1176         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
1177         (m68hc11_handle_fntype_attribute): Likewise.
1178         (m68hc11_encode_section_info): Likewise.
1179         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1180         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1181         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
1182         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
1183         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
1184         (sh_handle_sp_switch_attribute): Likewise.
1185         (sh_handle_trap_exit_attribute): Likewise.
1186         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
1187         (sh_symbian_handle_dll_attribute): Likewise.
1188         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
1189         (xstormy16_handle_below100_attribute): Likewise.
1190         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1191
1192         * c-common.c (unsigned_conversion_warning): Move warning control
1193         from if() to warning(OPT_*).
1194         (c_common_truthvalue_conversion): Likewise.
1195         (c_do_switch_warnings): Likewise.
1196         * c-decl.c (diagnose_mismatched_decls): Likewise.
1197         (diagnose_mismatched_decls): Likewise.
1198         (define_label): Likewise.
1199         (grokdeclarator): Likewise.
1200         * c-format.c (check_format_info): Likewise.
1201         * c-lex.c (interpret_integer): Likwise.
1202         (lex_string): Likewise.
1203         * c-opts.c (c_common_post_options): Likewise.
1204         * c-parser.c (c_parser_unary_expression): Likewise.
1205         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
1206         (handle_pragma_extern_prefix): Likewise.
1207         * c-typeck.c (build_binary_op): Likewise.
1208         * gcse.c (is_too_expensive): Likewise.
1209         * opts.c (decode_options): Likewise.
1210         * stor-layout.c (place_field): Likewise.
1211         * tree-cfg.c (remove_bb): Likewise.
1212
1213         * c.opt (-Wreturn-type): Add Var(warn_return_type).
1214         * flags.h (warn_return_type): Remove.
1215         * toplev.c (warn_return_type): Likewise.
1216
1217 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
1218
1219         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
1220         existence of long long and __int64 before determining their size.
1221         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
1222         * configure, config.h.in:  Regenerate.
1223
1224 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
1225
1226         * configure: Regenerate.
1227
1228 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
1229
1230         * c-common.h (objc_comptypes): Remove prototype.
1231         (objc_compare_types): New prototype.
1232         (objc_volatilized_decl): Likewise.
1233         (objc_type_quals_match): Likewise.
1234         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
1235         objc_volatilize_decl().
1236         * c-typeck.c (comp_target_types): Remove third parameter; do
1237         not call objc_comptypes().
1238         (comptypes): Remove calls to objc_comptypes().
1239         (build_function_call): Extend compatible prototype check to ObjC.
1240         (build_conditional_expr): Adjust call to comp_target_types().
1241         (convert_for_assignment): Call objc_compare_types() instead of
1242         objc_comptypes(); adjust calls to comp_target_types(); call
1243         objc_type_quals_match() before issuing qualifier mismatch
1244         warnings.
1245         (build_binary_op): Call objc_compare_types() before issuing
1246         pointer mismatch warnings; adjust calls to
1247         comp_target_types().
1248         * stub-objc.c (objc_comptypes): Remove stub.
1249         (objc_compare_types): New stub.
1250         (objc_volatilized_decl): Likewise.
1251         (objc_type_quals_match): Likewise.
1252
1253 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
1254
1255         * config/ia64/ia64intrin.h: Define nothing for C++:
1256         overloaded builtins have been ported to C++.
1257
1258 2005-05-24  Jeff Law  <law@redhat.com>
1259
1260         * tree-nested.c (build_addr): New "context" argument.  Temporarily
1261         set current_function_decl around the call to build the ADDR_EXPR.
1262         (get_static_chain): Pass proper context to build_addr.
1263         (convert_nl_goto_reference): Likewise.
1264         (convert_tramp_reference): Likewise.
1265         (final_nesting_tree_1): Likewise.
1266         * tree-profile.c (tree_gen_interval_profiler): Likewise.
1267         (tree_gen_pow2_profiler): Likewise.
1268         (tree_gen_one_value_profiler): Likewise.
1269         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
1270         * tree.h (build_addr): Update prototype.
1271
1272 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
1273
1274         * tree-flow.h (bb_ann_d): Remove has_escape_site.
1275         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
1276         write to has_escape_site.
1277
1278 2005-05-24  Jeff Law  <law@redhat.com>
1279
1280         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
1281         * tree-cfg.c: Include tree-ssa-propagate.h.
1282         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
1283         needed.
1284
1285 2005-05-24  Nick Clifton  <nickc@redhat.com>
1286
1287         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1288         __NO_FPRS__ when 'f' class registers will not be available. 
1289
1290 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1291
1292         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
1293         nothing was done.
1294         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
1295         nothing then FAIL.
1296         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
1297         prototype.
1298
1299 2005-05-23  Jeff Law  <law@redhat.com>
1300
1301         * tree-ssa-dom.c (cprop_into_stmt): Do not call
1302         recompute_tree_invariant_for_addr_expr here.
1303         (optimize_stmt): Call it here instead and do so if anything
1304         at all has changed in the statement and the RHS is an ADDR_EXPR.
1305         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
1306         needed, call recompute_tree_invariant_for_addr_expr.
1307         * tree-ssa-propagate.c (substitute_and_fold): Call
1308         recompute_tree_invariant_for_addr_expr as needed.
1309
1310 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1311
1312         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
1313         saving less registers than the replacement.
1314
1315 2005-05-23  Jan Hubicka  <jh@suse.cz>
1316
1317         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
1318
1319 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
1320
1321         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
1322         * config/sparc/sparc.c (sparc_expand_move): New function.
1323         (sparc_emit_set_const64): Rewrite assert condition on entry.
1324         (legitimate_constant_p) <CONST_VECTOR>: New case.
1325         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
1326         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
1327         movV64, movtf): Use nonimmediate_operand for the first operand.
1328         Rewrite.  Only invoke sparc_expand_move.
1329         * config/sparc/predicates.md (input_operand): Reorder tests.
1330
1331 2005-05-23  Jan Beulich  <jbeulich@novell.com>
1332
1333         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
1334         missing return statement.
1335
1336 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1337
1338         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
1339         emit_move_insn for moves to TFmode stack slots.
1340
1341 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
1342
1343         * tree-stdarg.c (execute_optimize_stdarg): Handle references
1344         to va_list of the form &va[0].
1345
1346 2005-05-20  Jan Hubicka  <jh@suse.cz>
1347
1348         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
1349         * genemit.c (main): Make insn-emit to include basic-block.h too.
1350
1351 2005-05-20  Jan Hubicka  <jh@suse.cz>
1352
1353         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
1354
1355 2005-05-19  Richard Henderson  <rth@redhat.com>
1356
1357         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
1358         emit_store_conditional): Split out from ...
1359         (alpha_split_atomic_op): ... here.
1360         (alpha_split_compare_and_swap): New; extract from .md file.
1361         (alpha_split_lock_test_and_set): Likewise.
1362         * config/alpha/alpha-protos.h: Update.
1363         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
1364         split code into alpha.c.
1365         (sync_lock_test_and_set<I48MODE>): Likewise.
1366
1367 2005-05-19  Richard Henderson  <rth@redhat.com>
1368
1369         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
1370
1371 2005-05-19  Richard Henderson  <rth@redhat.com>
1372
1373         * config/i386/sse.md (mulv4si3): Use all register inputs.
1374         (mulv2di3): Likewise.
1375
1376 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
1377
1378         * tree-ssa-loop-ivopts.c (determine_base_object): Use
1379         build_fold_addr_expr to generate trees of correct type.
1380         Use fold_buildN if possible.
1381
1382 2005-05-19  Jan Hubicka  <jh@suse.cz>
1383
1384         * basic-block.h (REG_BR_PROB_BASE): Define.
1385         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
1386         (dump_cgraph_node): Dump count.
1387         (cgraph_clone_edge): Rescale counts.
1388         (cgraph_clone_node): Likewise.
1389         * cgraph.h: Include basic-block.h
1390         (cgraph_node): Add count.
1391         (cgraph_edge): Add count and loop_nest.
1392         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
1393         Update prototypes.
1394         * cgraphunit.c: Kill now redundant inlining comment.
1395         (cgraph_create_edges): Make static, maintain current basic block;
1396         fix pasto.
1397         (record_call_1): Fill in new fields.
1398         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1399         cgraph_clone_node.
1400         (cgraph_decide_recursive_inlining): Likewise.
1401         * rtl.h (REG_BR_PROB_BASE): Kill.
1402         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
1403         (expand_call_inline): Update call of cgraph_create_edge.
1404         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1405
1406 2005-05-19  Nick Clifton  <nickc@redhat.com>
1407
1408         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
1409         new rs6000_explicit_options structure.
1410
1411 2005-05-19  Richard Henderson  <rth@redhat.com>
1412
1413         PR target/21390
1414         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
1415         TFmode code swapping ...
1416         (alpha_emit_xfloating_compare): ... here.
1417         (alpha_emit_setcc): Update to match.
1418         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
1419
1420 2005-05-19  Richard Henderson  <rth@redhat.com>
1421
1422         PR target/21657
1423         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
1424         memory indirection in local-dynamic case.
1425
1426 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
1427             Bernd Schmidt  <bernd.schmidt@analog.com>
1428
1429         * config/bfin/bfin.c (branch_dest): Add comment why it's
1430         necessary.
1431         * config/bfin/bfin.md (attr "length" default): Change the offset of
1432         forward conditional branch of length 4 from 4096 to 4092.
1433
1434 2005-05-19  Jan Beulich  <jbeulich@novell.com>
1435
1436         * unwind-compat.c: Include tconfig.h and tsystem.h.
1437         * unwind-dw2-fde-compat.c: Likewise.
1438
1439 2005-05-18  Richard Henderson  <rth@redhat.com>
1440
1441         PR 21541
1442         * ifcvt.c (noce_process_if_block): Avoid conversion when the
1443         memory destination is readonly.
1444
1445 2005-05-18  Richard Henderson  <rth@redhat.com>
1446
1447         PR 21541
1448         * tree-ssa-operands.c (opf_non_specific): New.
1449         (get_asm_expr_operands): Set it.
1450         (add_call_clobber_ops, add_call_read_ops): Likewise.
1451         (add_stmt_operand): Test it instead of opf_kill_def when
1452         considering unmodifiable variables.
1453
1454         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
1455
1456 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
1459         tree-ssa-forwprop.c: Fix comment typos.
1460         * doc/invoke.texi: Fix a typo.
1461
1462 2005-05-18  Richard Henderson  <rth@redhat.com>
1463
1464         * config.gcc (powerpc-*-linux*): Include linux64.opt when
1465         including linux64.h.
1466
1467 2005-05-18  Richard Henderson  <rth@redhat.com>
1468
1469         * tree-cfg.c (pass_remove_useless): Revert last change.
1470         * tree-optimize.c (init_tree_optimization_passes): Initialize
1471         all_lowering_passes with PROP_gimple_any.
1472
1473 2005-05-18  Devang Patel  <dpatel@apple.com>
1474
1475         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
1476         the mask end.
1477         
1478 2005-05-18  Richard Henderson  <rth@redhat.com>
1479
1480         * tree-ssa-forwprop.c (cfg_changed): New.
1481         (tidy_after_forward_propagate_addr): New.
1482         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
1483         (forward_propagate_addr_into_variable_array_index): Likewise.
1484         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
1485         edges were removed.
1486
1487 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
1488
1489         * dummy-checksum.c: New.
1490         * genchecksum.c: New.
1491         * c.opt (print_pch_checksum): New flag.
1492         * c-pch.c (struct c_pch_validity): Make much shorter.
1493         (no_checksum): New.
1494         (host_machine): Remove.
1495         (target_machine): Remove.
1496         (get_ident): Change PCH version number.
1497         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
1498         Don't put triplets or version string in PCH validity data.
1499         Do put the compiler checksum in the validity data.
1500         (c_common_valid_pch): Don't check triplets or version string.  Do
1501         check checksum.
1502         (c_common_print_pch_checksum): New.
1503         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
1504         Print fingerprint with -v.
1505         * c-common.h (c_common_print_pch_checksum): New.
1506         (executable_checksum): New.
1507         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
1508         (cc1-dummy): New rule.
1509         (cc1-checksum.c): New rule.
1510         (cc1-checksum.o): New rule.
1511         (cc1): Add checksum support.
1512         (build/genchecksum): New.
1513         (build/genchecksum.o): New.
1514         (dummy-checksum.o): New.
1515         (genobjnames): Add genchecksum.o.
1516         (mostlyclean): Remove *-checksum.c.
1517         (gnucompare): Add libgcc to list of directories checked.
1518         Make comparison problems in libgcc/ and with checksum files only
1519         be warnings.
1520         * doc/invoke.texi (Precompiled Headers): Remove caution.
1521         Document that it must be the exact same binary.  Add a few
1522         known-safe flags to the list.
1523
1524         * rs6000/predicates.md (fix_trunc_dest_operand): New.
1525         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
1526         Check that a memory operand is valid before trying to use it.
1527         
1528         * tree-cfg.c (pass_remove_useless): This pass works on trees.
1529
1530 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
1531
1532         * tree.c (build1_stat): Don't try to handle two-operand
1533         tree codes.
1534
1535 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
1536
1537         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
1538         * config/sh/sh.h: Update mask names throughout.
1539         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
1540         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
1541         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
1542         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
1543         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
1544         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
1545         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
1546         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
1547         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
1548         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
1549         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
1550         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
1551         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
1552         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
1553         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
1554         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
1555         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
1556         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
1557         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
1558         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
1559         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
1560         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
1561         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
1562         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
1563         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
1564         (SUBTARGET_SWITCHES): Delete.
1565         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
1566         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
1567         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
1568         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
1569         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
1570         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
1571         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
1572         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
1573         (SUPPORT_SH3): Likewise SUPPORT_SH2.
1574         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
1575         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
1576         SUPPORT_SH4_NOFPU.
1577         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
1578         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
1579         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
1580         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
1581         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
1582         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
1583         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
1584         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
1585         (SUPPORT_ANY_SH5): New macros.
1586         (TARGET_NONE): Replace with...
1587         (MASK_ARCH): ...this new macro.
1588         * config/sh/elf.h: Update mask names
1589         * config/sh/linux.h: Likewise.
1590         * config/sh/little.h: Likewise.
1591         * config/sh/netbsd-elf.h: Likewise.
1592         * config/sh/symbian-pre.h: Likewise.
1593         * config/sh/sh.c (sh_handle_option): New function.
1594         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1595         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
1596         (sh_target_switches, target_switches): Delete.
1597         (sh_pch_valid_p): Check for specific differences in the target_flags
1598         settings.
1599         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
1600         * config/sh/sh.opt: New file.
1601
1602 2005-05-18  Richard Henderson  <rth@redhat.com>
1603
1604         PR target/21632
1605         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
1606         small_addr_symbolic_operand.
1607
1608 2005-05-18  Jeff Law  <law@redhat.com>
1609
1610         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
1611         propagate an ADDR_EXPR if the definition and use sites are
1612         in different EH regions.
1613
1614 2005-05-18  Ian Lance Taylor  <ian@airs.com>
1615
1616         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
1617         obstack_grow.
1618
1619 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
1620
1621         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
1622
1623 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
1624         
1625         Fix PR tree-optimization/21407
1626
1627         * tree-ssa-operands.c (note_addressable): Change
1628         COMPONENT_REF handling in response to aliasing
1629         discussion.
1630
1631 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1632
1633         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
1634         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
1635         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
1636         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
1637         the default on Solaris too.
1638
1639 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
1640
1641         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
1642         is okay too.
1643
1644 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1645
1646         * timevar.def (TV_SCEV_CONST): New timevar.
1647         * tree-optimize.c (init_tree_optimization_passes): Add
1648         pass_scev_cprop.
1649         * tree-pass.h (pass_scev_cprop): Declare.
1650         * tree-scalar-evolution.c (scev_const_prop): New function.
1651         * tree-scalar-evolution.h (scev_const_prop): Declare.
1652         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
1653         New.
1654         * tree-cfg.c (replace_uses_by): Export.
1655         * tree-flow.h (replace_uses_by): Declare.
1656
1657 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
1658             Mike Stump  <mrs@apple.com>
1659
1660         Yet more Objective-C++...
1661
1662         * c-common.h (objc_finish_try_stmt): Add.
1663         (objc_build_synchronized): Add.
1664         (objc_generate_write_barrier): Add.
1665         * stub-objc.c (objc_build_synchronized): Add return value.
1666         (objc_finish_try_stmt): Likewise.
1667         (objc_generate_write_barrier): Add.
1668
1669         * c-common.h (objc_rewrite_function_call): Add.
1670         * c-typeck.c (build_function_call): Allow objc to rewrite
1671         FUNCTION_DECLs.
1672         (build_modify_expr): Allow objc to generate write barriers.
1673         * c.opt (Wassign-intercept): Add.
1674         (Wstrict-selector-match): Add.
1675         (fobjc-call-cxx-cdtors): Add.
1676         (fobjc-direct-dispatch): Add.
1677         (fobjc-gc): Add.
1678         * dbxout.c (get_lang_number): Add Objective-C++ support.
1679         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
1680         (-Wstrict-selector-match): Likewise.
1681         (-fobjc-direct-dispatch): Likewise.
1682         (-Wassign-intercept): Likewise.
1683         (Overall Options): Likewise.
1684         * gengtype.c (get_output_file_with_visibility): Likewise.
1685         * stub-objc.c (objc_rewrite_function_call): Add.
1686         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
1687
1688         * c-common.c (flag_objc_exceptions): Remove.
1689         (flag_objc_sjlj_exceptions): Remove.
1690         * c-decl.c (objc_mark_locals_volatile): Don't change decls
1691         that are already ok.
1692         * c-opts.c (c_common_handle_option, case
1693         OPT_fobjc_exceptions): Remove.
1694         (case OPT_fobjc_sjlj_exceptions): Remove
1695         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
1696         (fobjc-exceptions): Likewise.
1697         (fobjc-sjlj-exceptions): Likewise.
1698         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
1699         (OFFS_ASSIGNIVAR_FAST): Add.
1700         
1701 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1702
1703         * config/sparc/sparc.md (movhi): Do not test constness
1704         of operand #1 twice.
1705         (movsi): Likewise.
1706         (movdi): Unconditionally accept zero as second operand
1707         when the first is memory.
1708         (movdi_insn_sp32): Handle above case.
1709         (DImode splitter): Use predicates.
1710         (DImode splitter): Use const_zero_operand predicate.
1711         (movsf_insn): Swap 2 alternatives.
1712
1713 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1714
1715         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
1716         expand_simple_operations to bases of the ivs.
1717         (tree_int_cst_sign_bit): Export.
1718         * tree-flow.h (expand_simple_operations): Declare.
1719         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
1720         tree_int_cst_sign_bit.
1721         (expand_simple_operations): Export.
1722         * tree.h (tree_int_cst_sign_bit): Declare.
1723
1724 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1725
1726         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
1727         merged block.
1728         (replace_uses_by): New function.
1729         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
1730         * tree-flow.h (fold_stmt_inplace): Declare.
1731         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
1732         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
1733         info after cfg cleanup.
1734
1735 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1736
1737         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
1738         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
1739         const.
1740
1741 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1742
1743         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
1744         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
1745         * timevar.c (timevar_ggc_mem_total): New variable.
1746         (GGC_MEM_BOUND): New constant.
1747         (get_time): Record ggc memory status.
1748         (timevar_accumulate): Accumulate amount of ggc memory.
1749         (timevar_print): Print consumption of ggc memory.
1750         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
1751         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
1752         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
1753         * timevar.h (struct timevar_time_def): Add ggc_mem field.
1754         (timevar_ggc_mem_total): Declare.
1755
1756 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
1757
1758         * tree-into-ssa.c (update_ssa): Clean up by shortening the
1759         live range of DFS.
1760
1761 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1762
1763         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
1764         define_code_attr.
1765         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
1766         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
1767         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
1768         ("s<ocond:code>"): Rename from respectively "b<ncond>",
1769         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
1770         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
1771         "s<rcond>" and "s<ocond>".
1772         ("b<ocond:code>", "*b<ocond:code>_reversed")
1773         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
1774         output statement section.
1775
1776 2005-05-17  Roger Sayle  <roger@eyesopen.com>
1777
1778         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
1779
1780 2005-05-17  Steven Bosscher  <stevenb@suse.de>
1781             Stuart Hastings <stuart@apple.com>
1782             Jan Hubicka  <jh@suse.cz>
1783             Dale Johannesen  <dalej@apple.com>
1784
1785         * cgraph.h (cgraph_node): Add 'lowered' state.
1786         (cgraph_lower_function): Declare.
1787         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
1788         (cgraph_lower_function): New function.
1789         (cgraph_create_edges): Deal with lowered function bodies.
1790         (verify_cgraph_node): Likewise.
1791         (cgraph_analyze_function): Do lowering job.
1792         (cgraph_build_static_cdtor): Likewise.
1793         * function.h (struct function): Add saved_eh and saved_cfg.
1794         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
1795         * tree-cfg.c (fold_cond_expr_cond): Export.
1796         * tree-flow.h (fold_cond_expr_cond): Declare.
1797         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
1798         pointer-set.
1799         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
1800         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
1801         callee_cfun, block, eh_region, eh_region_offset.
1802         (inlining_p): New predicate.
1803         (remap_decl): Update for new inline_data; declare newly created inline
1804         vars in low gimple way.
1805         (copy_body_r): Update for new datastructure, simplify some of handling
1806         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
1807         deal with RESX_EXPRs.
1808         (copy_bb): New.
1809         (copy_edges_for_bb): Likewise.
1810         (remap_decl_1): New.
1811         (copy_cfg_body): New.
1812         (copy_generic_body): Rewrite to work on low gimple.
1813         (copy_body): Turn into simple wrapper around copy_cfg_body.
1814         (setup_one_parameter): Insert new statements into given basic block.
1815         (initialize_initialized_parameters): Likewise, reorganize way things are
1816         gimplified.
1817         (declare_return_variable): Update for new inline data datastructure.
1818         (inline_forbidden_p): Work on low gimple.
1819         (estimate_num_insns): Likewise.
1820         (expand_call_inline): Work on CFG.
1821         (push_cfun, pop_cfun): New functions.
1822         (cfun_stack): New stack.
1823         (add_lexical_block): New function.
1824         (gimple_expand_calls_inline): Work on basic block.
1825         (optimize_inline_calls): Likewise.
1826         (clone_body, save_body, unsave_ewpr_now): Update for new
1827         datastructures.
1828         (declare_inline_vars): Work on block instead of bind_expr.
1829         (inlining_p): New predicate.
1830         * tree-inline.h (push_cfun, pop_cfun): Declare.
1831         * tree-optimize.c: Include except.h
1832         (all_lowering_passes): New variable.
1833         (execute_fixup_cfg, pass_fixup_cfg): New pass.
1834         (init_tree_optimization_passes): Move some to all_lowering_passes.
1835         (tree_lowering_passes): New function.
1836         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
1837         * tree-pass.h (tree_lowering_passes): Declare
1838
1839 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1840
1841         * unwind-dw2-fde-darwin.c: Include tsystem.h.
1842
1843 2005-05-17  Jeff Law  <law@redhat.com>
1844
1845         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
1846         * tree-ssa-forwprop.c: Include langhooks.h.
1847         (forward_propagate_addr_expr_into_variable_array_index): New.
1848         (forward_propagate_addr_expr): New.
1849         (tree_ssa_forward_propagate_single_use_vars): Loop over all
1850         the statements in the block instead of just the last statement.
1851         Call forward_propagate_addr_expr as needed.
1852         (pass_forwprop): Update the SSA graph after forward propagation is
1853         complete.
1854
1855 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1856
1857         * unwind-dw2-fde-glibc.c (base_from_cb_data,
1858         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
1859         appropriate.
1860         * unwind-dw2-fde.c (__deregister_frame_info_bases,
1861         base_from_object, fde_split, end_fde_sort): Likewise.
1862         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
1863         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
1864         uw_init_context_1): Likewise.
1865         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
1866         _Unwind_Resume_or_Rethrow): Likewise.
1867         * unwind-pe.h (__gxx_abort): Do not define.
1868         (size_of_encoded_value, base_of_encoded_value,
1869         read_encoded_value_with_base): Use gcc_unreachable.
1870         * unwind.h (_Unwind_GetTextRelBase): Likewise.
1871
1872 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1873
1874         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
1875         (cfi_end): New macros.
1876         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
1877         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
1878         an eight byte stack frame.
1879         (__NR_tkill): Define.
1880         (__div0): Use gettid tkill on GNU/Linux.
1881         (_arm_return): Add CFI.
1882         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
1883
1884 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1885
1886         * configure.ac: Remove spaces around assignment to
1887         gcc_cv_ld_sysroot.
1888         * configure: Regenerated.
1889
1890 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
1891
1892         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
1893         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
1894         aix_struct_ret.
1895         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
1896         Modify aix_struct_return variable, not target_flags.
1897         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
1898         (rs6000_return_in_memory): Test aix_struct_return.
1899         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
1900         independent variable.  Report mxl-compat.
1901
1902 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1903
1904         * config/bfin/bfin.md (eh_return): Add missing DONE.
1905
1906 2005-05-17  Ian Lance Taylor  <ian@airs.com>
1907
1908         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
1909         field.
1910         (mode_attr_index): Remove check for defined attribute.  Remove
1911         infile parameter.  Change all callers.
1912         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
1913         return after finding attribute.
1914         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
1915         callers.
1916         (apply_macro_traverse): Set mtd->unknown_mode_attr.
1917         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
1918         attribute used for a mode.
1919
1920 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1921
1922         * tree-ssa-math-opts.c: New file.
1923
1924 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1925
1926         * tree-ssa-math-opts.c: New file.
1927
1928 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1929
1930         * Makefile.in: Add tree-ssa-math-opts.c.
1931         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
1932         * fold-const.c (distribute_real_division): New.
1933         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
1934         * tree-pass.h (pass_cse_reciprocals): New.
1935         * tree-optimize.c (init_tree_optimization_passes): Run it.
1936         * doc/passes.texi: Document the new pass.
1937
1938 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
1939
1940         PR middle-end/21595
1941         * builtins.c (fold_builtin_constant_p): Handle
1942         &"string cst"[0] as constant.
1943
1944 2005-05-17  Richard Henderson  <rth@redhat.com>
1945
1946         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
1947
1948 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1949
1950         PR middle-end/21492
1951         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
1952         src2 if src2 has been split.
1953
1954         PR tree-optimization/21610
1955         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
1956         returning DECL, call unshare_expr.
1957
1958 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1959
1960         * config/cris/cris.md: Unquote preparation and output statements.
1961         (BWD, WD, BW): New, mode-macros.
1962         (S, s, m, mm, nbitsm1): New, mode-attrs.
1963         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
1964         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
1965         code-attrs.
1966         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
1967         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
1968         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
1969         "*cmp_swapexthi".
1970         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
1971         ("movdi"): Move misplaced head comment regarding necessity of
1972         movdi from movsi to here.
1973         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
1974         "*mov_sidehi_biap".
1975         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
1976         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
1977         "*mov_sideqi_biap_mem".
1978         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
1979         "*mov_sidehi_mem".
1980         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
1981         "*clear_sidehi_biap" and "*clear_sideqi_biap".
1982         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
1983         and "*clear_sideqi".
1984         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
1985         "*ext_sidehisi_biap".
1986         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
1987         "*ext_sidehisi".
1988         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
1989         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
1990         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
1991         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
1992         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
1993         "zero_extendqisi2".
1994         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
1995         "*op_sidehi_biap" and "*op_sidesi_biap".
1996         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
1997         "*op_sidesi".
1998         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
1999         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
2000         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
2001         "*op_swap_sidehi" and "*op_swap_sidesi".
2002         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
2003         in the N alternative of "subqi3".
2004         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
2005         "*extophisi_side_biap".
2006         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
2007         "*extophisi_side".
2008         ("*extop<mode>si_swap_side_biap"): Replace
2009         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
2010         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
2011         "*extophisi_swap_side".
2012         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
2013         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
2014         "*extophisi_swap".
2015         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
2016         "mulqihi3", "mulhisi3" and "mulhisi3".
2017         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
2018         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
2019         "umulsi3_highpart".
2020         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
2021         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
2022         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
2023         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
2024         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
2025         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
2026         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
2027         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
2028         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
2029         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
2030         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
2031         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
2032         "*ashlhi_lowpart".
2033         ("abs<mode>2"): Replace "abshi2" and "absqi2".
2034         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
2035         "bleu".
2036         ("b<ocond>"): Replace "bgt" and "ble".
2037         ("b<rcond>"): Replace "blt" and "bge".
2038         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
2039         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
2040         "*bleu_reversed".
2041         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
2042         "*ble_reversed".
2043         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
2044         "*blt_reversed".
2045         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
2046         "sne".
2047         ("s<rcond>"): Replace "sge" and "slt".
2048         ("s<ocond>"): Replace "sgt" and "sle".
2049         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
2050         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
2051         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
2052         clear.w [rx=rx+i] and clear.b [rx=rx+i].
2053
2054 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
2055
2056         * varasm.c (struct constant_descriptor_tree): Add hash field.
2057         (const_desc_hash): Just return hash field.
2058         (const_desc_eq): If hash values are different, return 0 immediately.
2059         (output_constant_def): Compute hash field of temporary key, use
2060         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
2061         newly built constant descriptor.
2062         (lookup_constant_def): Compute hash field of temporary key, use
2063         htab_find_with_hash instead of htab_find.
2064
2065 2005-05-16  Richard Henderson  <rth@redhat.com>
2066
2067         * config/i386/sse.md (mulv4si3): New.
2068
2069 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
2070
2071         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
2072         tests for noncanonical versions of reg+constant and
2073         reg+reg*{1,2,4}.
2074
2075 2005-05-16  Richard Henderson  <rth@redhat.com>
2076             Steven Bosscher <stevenb@suse.de>
2077
2078         PR tree-opt/21399
2079         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
2080         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
2081         region data structure to match replacement.
2082         * tree-flow.h: Update to match.
2083         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2084         * tree-ssa-dom.c (optimize_stmt): Likewise.
2085         * tree-ssa-pre.c (eliminate): Likewise.
2086         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
2087
2088 2005-05-16  Caroline Tice  <ctice@apple.com>
2089
2090         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
2091         internal_error with gcc_assert.
2092         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
2093         * function.h (struct function): Remove space between "*" and
2094         struct field names.
2095         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
2096         modify to use alloca.
2097         (unlikely_text_section): Add check for flag_function_sections.
2098         (assemble_start_function):  Move call to resolve_section, so it
2099         comes before first call to unlikely_text_section.
2100         (assemble_end_function):  Add test and call to function_section
2101         if appropriate.
2102         
2103 2005-05-16  Roger Sayle  <roger@eyesopen.com>
2104
2105         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
2106         instead of build_binary_op when performing code transformations
2107         to avoid error messages about constructs not it the user's code.
2108
2109 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2110
2111         * tree-ssa-pre.c: Fix a comment typo.
2112
2113 2005-05-16  Richard Henderson  <rth@redhat.com>
2114
2115         PR target/21556
2116         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
2117         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
2118         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
2119         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
2120         add_tprel22): Remove mode from symbolic operand.
2121
2122 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
2123
2124         * optc-gen.awk: Include intl.h after the externally-provided files.
2125
2126 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2127
2128         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
2129         folding a COND_EXPR_COND in a nondestructive manner.
2130
2131 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
2132
2133         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
2134         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
2135         New values for vec_select definitions and bitmask for element
2136         selection.
2137          
2138 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2139
2140         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
2141         Change the type to VEC(rtx,gc)*.
2142         (mem_loc_descriptor, add_const_value_attributes,
2143         dwarf2out_init): Adjust uses of used_rtx_varray.
2144
2145         * tree-data-ref.c (compute_all_dependences): Change the type
2146         of dependence_relations to VEC(ddr_p,heap)**.
2147         (compute_data_dependences_for_loop): Change the type of
2148         allrelations to VEC(ddr_p,heap)*.
2149
2150 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
2151
2152         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
2153         system.h, coretypes.h and tm.h.
2154         (options.o): Update dependencies accordingly.
2155         * optc-gen.awk: Allow header_name to be a list of filenames.
2156         Handle the "Condition" flag.
2157         * opts.h (CL_DISABLED): New flag.
2158         * opts.c (handle_option): Print an error for CL_DISABLED options.
2159         * doc/options.texi: Document the "Condition" option flag.
2160
2161 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
2162
2163         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
2164
2165 2005-05-15  Roger Sayle  <roger@eyesopen.com>
2166
2167         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
2168         check for TREE_OVERFLOW on INTEGER_CST trees.
2169         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
2170         CONSTANT_CLASS_P tree nodes.
2171
2172 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2173
2174         PR target/21551
2175         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
2176
2177 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
2178             
2179         Fix PR tree-optimization/21576
2180         
2181         * tree-ssa-pre.c (expression_node_pool): New pool.
2182         (comparison_node_pool): Ditto.
2183         (list_node_pool): Ditto.
2184         (pool_copy_list): New function.
2185         (phi_translate): Handle CALL_EXPR.
2186         (valid_in_set): Ditto.
2187         (create_expression_by_pieces): Ditto.
2188         (insert_into_preds_of_block): Ditto.
2189         (insert_aux): Ditto.
2190         (compute_avail): Ditto.
2191         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
2192         (can_value_number_call): New function.
2193         (find_leader): Update comment.
2194         (init_pre): Create new pools.
2195         (fini_pre): Free new pools.
2196         (pass_pre): Add TODO_update_ssa for the future when we are going
2197         to need vops.
2198         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
2199         (set_value_handle): Ditto.
2200         (get_value_handle): Ditto.
2201
2202 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2203
2204         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
2205
2206 2005-05-15  Andreas Jaeger  <aj@suse.de>
2207
2208         * gcc.c (pfatal_pexecute): Remove unused local function.
2209
2210 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
2211
2212         * optc-gen.awk: Remove excess indentation.
2213         * opth-gen.awk: Likewise.
2214
2215 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
2216
2217         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
2218         of basic_block_info.  Call init_flow and find_basic_blocks
2219         before dbr_schedule if needed.
2220
2221 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2222
2223         * tree-optimize.c (init_tree_optimization_passes): Move
2224         pass_cd_dce in place of the last pass_dce.
2225
2226         PR tree-optimization/21563
2227         * tree-vrp.c (compare_value): Return boolean_false_node when
2228         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
2229         strictly larger than CST.
2230
2231 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
2232             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2233
2234         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
2235         gcc_assert().
2236         (rev_cond_name) Likewise.
2237         (vax_float_literal) Likewise.
2238         * config/vax/vax.md: Likewise.
2239
2240 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2241
2242         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
2243         registers and use them (specifically the stack pointer).
2244         * config/vax/vax.h: Use above defines right here.
2245
2246         * config/vax/vax.c: (override_options) Remove 'register' keyword.
2247         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
2248         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
2249         whitespace.
2250         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
2251         mostly removal of trailing spaces...
2252         * config/vax/vax-modes.def: Remove trailing whitespace.
2253
2254         * config/vax/elf.h: Update whitespace.
2255
2256 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
2257
2258         Revert
2259         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2260         * fold-const.c (fold_indirect_ref_1): Avoid removing
2261         NOP_EXPRs with type qualifiers like const.
2262
2263 2005-05-14  Jan Hubicka  <jh@suse.cz>
2264
2265         Patch by Richard Henderson:
2266         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
2267         Handle RESX expressions properly.
2268
2269         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
2270         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
2271         (remove_stmt_from_eh_region_fn): Likewise.
2272
2273         * tree-cfg.c (execute_warn_function_return): Break out noreturn
2274         warning too..
2275         (execute_warn_function_noreturn): ... here.
2276         (pass_warn_function_noreturn): New pass.
2277         * tree-pass.h (pass_warn_function_noreturn): Declare
2278         * tree-optimize.c (init_tree_optimization_passes): Move return
2279         warnings early and add noreturn warnings at place of previous
2280         return warnings.
2281
2282 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2283
2284         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
2285         root_var_init, type_var_init): Use VEC instead of VARRAY.
2286         * tree-ssa-live.h (tree_partition_associator_d): Change the
2287         type of trees to VEC(tree,heap)*.
2288         (tpa_tree): Use VEC instead of VARRAY.
2289
2290 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
2291
2292         * fold-const.c (div_if_zero_remainder): New function.
2293         (try_move_mult_to_index): Use it.
2294
2295 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2296
2297         * tree-eh.c (leh_tf_state): Change the type of dest_array to
2298         VEC(tree,heap)*.
2299         (maybe_record_in_goto_queue, lower_try_finally_onedest,
2300         lower_try_finally_copy, lower_try_finally_switch,
2301         lower_try_finally): Use VEC instead of VARRAY.
2302
2303 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
2304
2305         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
2306         comment regarding defined register classes.
2307         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
2308
2309 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2310
2311         * tree-optimize.c (init_tree_optimization_passes): Move
2312         pass_merge_phi before the first pass_dominator.
2313
2314 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
2315
2316         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
2317         unconditional.
2318
2319 2005-05-13  Josh Conner  <jconner@apple.com>
2320
2321         * config/arm/arm.c (arm_size_return_regs): New.
2322         (thumb_unexpanded_epilogue): replace in-line calculation
2323         of return registers with call to arm_size_return_regs.
2324         (use_return_insn): Include test of which registers are
2325         being used to hold return values, to accommodate
2326         vector return values.
2327
2328 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
2329
2330         * config/rs6000/sysv4.opt (mlittle): Handle.
2331
2332         * config/rs6000/rs6000.c (rs6000_handle_option): Set
2333         target_flags_explicit when appropriate.
2334
2335 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2336
2337         PR middle-end/20714:
2338         * optabs.c (no_conflict_data): New struct.
2339         (no_conflict_move_test): New function.
2340         (emit_no_conflict_block): Use it.
2341
2342 2005-05-13  Adam Nemet  <anemet@lnxw.com>
2343
2344         * doc/invoke.texi (Debugging Options): Option
2345         -fdump-translation-unit only works with C++ now.
2346
2347 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
2348
2349         Replace calls to abort in CRIS port.
2350         * config/cris/cris.h (CRIS_ASSERT): New macro.
2351         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
2352         internal_error instead of abort.
2353         ("movsi"): Ditto.  Unquote preparation statement section.
2354         ("call", "call_value"): Ditto, but use gcc_assert where
2355         appropriate.  Tweak comments.
2356         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
2357         CRIS_ASSERT.
2358         (cris_op_str): Call internal_error, not abort.
2359         (cris_print_operand): Tweak "abort" reference to "die" in comment.
2360         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
2361         (cris_notice_update_cc): Call internal_error, not abort.
2362         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
2363         (cris_emit_movem_store, cris_asm_output_symbol_ref)
2364         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
2365         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
2366         ENABLE_CHECKING-guarded abort call.
2367         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
2368         Use internal_error at end of test-chain.
2369
2370 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2371
2372         PR rtl-optimization/20769:
2373         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
2374         pattern emitted by expand_nl_goto_receiver.
2375
2376         PR middle-end/20793:
2377         * integrate.c (allocate_initial_values): Update register liveness
2378         information.
2379
2380 2005-05-13  Josh Conner  <jconner@apple.com>
2381
2382         * arm.c (arm_return_in_memory): Add handling for vector return types.
2383
2384 2005-05-13  David Ung  <davidu@mips.com>
2385
2386         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
2387         name.
2388         * config/mips/mips.c: Add 4km alias.
2389         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
2390         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
2391         description.
2392
2393 2005-05-13  Jan Hubicka  <jh@suse.cz>
2394
2395         * c-decl.c (finish_function): Suppress "control reaches end of
2396         non-void function" when "no return statement in function
2397         returning non-void" is issued.
2398
2399         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
2400         * tree-optimize.c (pass_gimple): Kill.
2401         (init_tree_optimization_passes): Kill pass_gimple.
2402         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
2403         * tree-dump.c (dump_files): Rename .generic to .gimple.*
2404
2405 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2406
2407         PR rtl-optimization/20756:
2408         * basic-block.h (PROP_DEAD_INSN): Define.
2409         * flow.c (propagate_one_insn): Set during mark_set_regs call
2410         for a dead insn.
2411         (mark_set_1): Emit a clobber when we are about to delete a dead insn
2412         that kills a live register.
2413
2414 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
2415
2416         * config/s390/s390.md: ("DBL"): New mode attribute.
2417         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
2418         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
2419         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
2420
2421 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
2422
2423         * c-format.c (check_format_arg): Handle string literals of
2424         the form &"string"[offset].
2425
2426         * g++.dg/warn/format4.C: New testcase.
2427
2428 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
2429
2430         * config/mips/3000.md, config/mips/4000.md,
2431         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
2432         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
2433         config/mips/generic.md, config/pdp11/pdp11.md,
2434         config/sh/crt1.asm, config/sh/lib1funcs.asm,
2435         config/sh/sh-modes.def, config/sh/sh-protos.h,
2436         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
2437
2438 2005-05-13  Richard Henderson  <rth@redhat.com>
2439
2440         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
2441         addition to move unless dest is a register.  Do not skip
2442         instantiation in dest on addition simplification.
2443
2444 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
2445
2446         * config/cris/cris.c (cris_print_operand) <case 'H'; case
2447         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
2448         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
2449
2450 2005-05-13  Jan Hubicka  <jh@suse.cz>
2451
2452         * basic-block.h (FOR_ALL_BB_FN): New macro.
2453         (init_flow): Initialize cfg structure.
2454         * function.c (allocate_struct_function): Do not initialize cfg structure.
2455         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
2456         (build_tree_cfg): ... here.
2457         * tree-flow.h (init_empty_tree_cfg): Declare.
2458
2459 2005-05-12  Steven Bosscher <stevenb@suse.de>
2460
2461         Fix PR tree-optimization/21520
2462         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
2463         to attempt to fold constants.
2464
2465 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2466
2467         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
2468         only when TARGET_ADJUST_UNROLL_MAX is defined.
2469         (general_movsrc_operand): Use the C style comment.
2470         (ua_offset): Use prototype.
2471
2472 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
2473
2474         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
2475         (struct hmr_data, hoist_memory_reference, memref_del,
2476         struct fmrv_data): Removed.
2477         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
2478         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
2479         list.
2480         (find_more_ref_vops): Traverse the list of memory references.
2481         (determine_lsm_loop): Work with the list of memory references instead
2482         of traversing the hashtable.
2483
2484 2005-05-12  Steven Bosscher  <stevenb@suse.de>
2485             Stuart Hastings <stuart@apple.com>
2486             Jan Hubicka  <jh@suse.cz>
2487
2488         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
2489         duplicate_eh_regions): New functions, based on old
2490         implementation removed with RTL inliner.
2491         (reachable_next_level): Modify behaviour pre-inline.
2492         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
2493         Declare.
2494         * function.h (struct function): Add after_inlining flag.
2495         * tree-optimize.c (tree_rest_of_compilation): Set it.
2496         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
2497         when needed.
2498         * tree-cfg.c (label_to_block_fn): Deal with cases where
2499         label was never insterted into code.
2500
2501 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
2502
2503         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
2504
2505 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
2506
2507         Fix PR tree-optimization/21532
2508         * tree-ssa-pre.c (create_expression_by_pieces): stmt
2509         needs to go onto the inserted_exprs list.
2510
2511 2005-05-12  Ian Lance Taylor  <ian@airs.com>
2512
2513         * c-common.h (statement_code_p): Don't declare.
2514         (STATEMENT_CODE_P): Don't define.
2515         (INIT_STATEMENT_CODES): Don't define.
2516         * c-common.c (statement_code_p): Don't define.
2517
2518 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2519
2520         * config/sparc/sparc.h: Remove dead code.
2521         * config/sparc/sparc.c (sparc_compute_frame_size): Use
2522         FIRST_PARM_OFFSET for the size of the register window area.
2523         (emit_save_regs): Rename into emit_save_or_restore_regs.
2524         Add 'action' parameter.  Use 4095 as upper bound for the offset.
2525         Pass 'action' to save_or_restore_regs.
2526         (emit_restore_regs): Delete.
2527         (sparc_expand_prologue): Call emit_save_or_restore_regs.
2528         (sparc_expand_epilogue): Likewise.
2529         * config/sparc/sparc.md (mode macro P): Move.
2530         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
2531         (mov<V32:mode> expander): Move to the top of the V32 section.
2532         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
2533         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
2534         (sibcall_epilogue): Move.
2535
2536 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
2537
2538         PR target/21501
2539         * arm.c (arm_gen_constant): Sign-extend intermediate values when
2540         synthesizing a constant of the difference of two immediates.
2541
2542 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
2543
2544         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
2545         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
2546         the alternatives using integer registers into the appropriate
2547         primitives.
2548
2549 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2550
2551         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
2552         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
2553         * bitmap.h: Fixed comments.
2554
2555 2005-05-11  Richard Henderson  <rth@redhat.com>
2556
2557         PR target/21412
2558         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
2559         (ia64_cannot_force_const_mem): New.
2560         (tls_symbolic_operand_type): New.
2561         (ia64_legitimate_constant_p): New.
2562         (ia64_expand_load_address): Return true on success.  Improve
2563         checks for when we should not split.
2564         (ia64_expand_tls_address): New addend operand.  Distribute it
2565         as appropriate to the tls_kind.  Delay referencing gp.
2566         (ia64_expand_move): Split symbolic addend as necessary.  Handle
2567         tls symbols with addends.
2568         * config/ia64/ia64-protos.h: Update.
2569         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
2570         p0, f0, f1, and r13.
2571         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
2572         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
2573         (symbolic_operand splitter): Pass everything through
2574         ia64_expand_load_address and FAIL or DONE as appropriate.
2575         (load_fptr): Only accept after reload.
2576         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
2577         load_symptr_low, load_ltoff_dtpmod,
2578         (load_dtpmod): New.
2579         (load_dtprel): Only accept tls symbols.
2580         (load_dtprel64, load_dtprel22): Likewise.
2581         (load_tprel, load_tprel64, load_tprel22): Likewise.
2582         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
2583         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
2584         (add_dtprel14, add_dtprel22): Likewise.
2585         (add_tprel, add_tprel14, add_tprel22): Likewise.
2586         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
2587         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
2588         (got_symbolic_operand): Check CONST offsets.
2589         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
2590         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
2591         (move_operand): Don't handle tls here.  Check CONST offsets.
2592
2593 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2594
2595         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
2596         Remove hilo_operand check.
2597         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
2598         * config/mips/predicates.md (hilo_operand): Delete.
2599
2600 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2601
2602         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
2603
2604 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2605
2606         PR tree-optimizer/18472
2607         * tree-if-conv.c (tree_if_convert_stmt,
2608         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
2609
2610 2005-05-11  Jan Hubicka  <jh@suse.cz>
2611
2612         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
2613         (GTFILES): add except.h.
2614         * except.c (eh_status): Add throw_stmt_table.
2615         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
2616         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
2617         lookup_stmt_eh_region_fn): Declare.
2618         (throw_stmt_node): New structure.
2619         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
2620         * gengtype.c (open_base_files): Add except.h to inlines.
2621         * tree-eh.c (throw_stmt_node): Kill.
2622         (record_stmt_eh_region): Update.
2623         (add_stmt_to_eh_region_fn): Break out from ...
2624         (add_stmt_to_eh_region): ... here.
2625         (remove_stmt_from_eh_region_fn): Break out from ...
2626         (remove_stmt_from_eh_region): ... here.
2627         (lookup_stmt_eh_region_fn): Break out from ...
2628         (lookup_stmt_eh_region): ... here.
2629         (honor_protect_cleanup_actions): Use build_resx.
2630         (lower_try_finally_onedest): Likewise.
2631         (lower_try_finally_copy): Likewise.
2632         (lower_try_finally_switch): Likewise.
2633         (lower_eh_constructs): Update eh table construction.
2634         * tree.c (build_resx): New.
2635         * tree.h (build_resx): Declare.
2636
2637 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2638
2639         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
2640         is needed.
2641
2642 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2643
2644         * fold-const.c, libgcov.c: Fix comment typos.
2645
2646         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
2647         redundant code.
2648
2649 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
2650
2651         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2652         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
2653         default definition.
2654         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
2655
2656 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2657
2658         PR bootstrap/21481
2659         * crtstuff.c: Include auto-host.h again, for now.
2660
2661 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2662
2663         * config/mips/24k.md: Remove trailing whitespace.
2664
2665 2005-05-11  David Ung  <davidu@mips.com>
2666
2667         * config/mips/mips.md (type): Add imul3.
2668         (length, hazard, may_clobber_hilo): Check for imul3.
2669         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
2670         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
2671         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
2672         for a 3 operand mul and its bypasses.
2673         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
2674         * config/mips/4000.md (r4k_imul): Likewise.
2675         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
2676         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
2677         (vr4130_muldi): Likewise.
2678         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
2679         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
2680         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
2681         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
2682         (ir_vr54_imadd_si): Likewise.
2683         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
2684         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
2685         (rm7_impy_di): Likewise.
2686         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
2687         * config/mips/generic.md (generic_imul): Likewise.
2688         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
2689         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
2690
2691 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
2692
2693         PR middle-end/20371:
2694         * tree.h (record_layout_info_s): New member prev_packed.
2695         * stor-layout.c (update_alignment_for_field): Fix comment about
2696         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
2697         we start it properly aligned.
2698         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
2699         to update_alignment_for_field, and recompute it afterwards using
2700         the alignment of the record.
2701         When a packed bitfield precedes an MS bitfield, don't add padding
2702         at the end of the packed bitfield on behalf of the base type of
2703         the packed bit field.
2704         Don't adjust rli->bitpos at the end
2705         of an MS bitfield run if we already adjusted bitpos/offset for an
2706         alignment as large or larger than the bitfield type size.
2707         Take possible record alignment > BIGGEST_ALIGNMENT into account
2708         when calculating actual_align.
2709         Only put packed buit fields into rli->prev_field if they end up
2710         suitably aligned.
2711         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
2712         Update rli->remaining_in_alignment when we have already started a
2713         run of bit fields and we process a packed bit field.
2714
2715 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
2716
2717         * tree-data-ref.c (find_data_references_in_loop): Give up when
2718         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
2719         may embed arbitrary side effects.
2720         Remove the assumption that GIMPLE form contains a single array
2721         access per statement.
2722         When the statement contains virtual operands, fail if it is not
2723         a MODIFY_EXPR or a CALL_EXPR.
2724         Return after the dont know node is inserted.
2725
2726 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2727
2728         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
2729
2730 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2731
2732         PR middle-end/19807
2733         PR tree-optimization/19639
2734         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
2735         and generic summands for char* as s * delta, too, folding &a[i]
2736         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
2737         for comparison of steps.  Convert types for index addition.
2738         (fold_binary): Adjust the callers to always dispatch to
2739         try_move_mult_to_index.
2740         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
2741         expr with non-gimple ARRAY_REF offset.
2742
2743 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2744
2745         * fold-const.c (fold_indirect_ref_1): Avoid removing
2746         NOP_EXPRs with type qualifiers like const.
2747
2748 2005-05-11  Richard Henderson  <rth@redhat.com>
2749
2750         PR c/21502
2751         * c-decl.c (finish_decl): Propagate the completed array type of
2752         a global variable into the binding.
2753
2754 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
2755
2756         * Makefile.in (gtype-desc.o, build/genautomata.o)
2757         (build/varray.o): Depend on $(VARRAY_H).
2758
2759 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
2760
2761         * tree-optimize.c (init_tree_optimization_passes): Re-organize
2762         optimization passes to do an initial batch of scalar cleanups.
2763
2764 2005-05-10  Ian Lance Taylor  <ian@airs.com>
2765
2766         * read-rtl.c (struct macro_traverse_data): Define.
2767         (map_attr_string): New static function, broken out of
2768         apply_macro_to_string.
2769         (mode_attr_index, apply_mode_maps): New static functions.
2770         (apply_macro_to_string): Call map_attr_string.
2771         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
2772         all callers.
2773         (apply_macro_traverse): Expect data to point to a struct
2774         macro_traverse_data.
2775         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
2776         to pass data through htab_traverse.
2777         (read_rtx_1): Add mode_maps parameter.  Change all callers.
2778         Handle mode names which are attribute strings.
2779         * doc/md.texi (Substitutions): Rename from String Substitutions.
2780         Change references.  Document using attributes as modes.
2781
2782 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2783
2784         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
2785         * tree-optimize.c (init_tree_optimization_passes) Swap
2786         pass_ch and pass_profile.
2787         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
2788         here.  Remove rewrite_into_loop_closed_ssa call.
2789
2790 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2791
2792         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
2793         function.
2794         (legitimate_reload_constant_p): Add check for const double zero.
2795         * config/s390/s390.md: Add comment for constraint letter 'G'.
2796         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
2797         attributes for new case.
2798         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
2799         s390_const_double_ok_for_constraint_p.
2800         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
2801         Add prototype.
2802
2803 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2804
2805         PR tree-optimization/21170
2806         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
2807         rewrite_ssa_into_ssa in comments with update_ssa.
2808
2809 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2810
2811         * tree-ssa-loop-im.c: Include hashtab.h.
2812         (struct mem_ref_loc): New.
2813         (struct mem_ref): Describe the set of references with the same
2814         shape.
2815         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
2816         maybe_queue_var, fem_single_reachable_address,
2817         for_each_memref, single_reachable_address,
2818         is_call_clobbered_ref, determine_lsm_reg): Removed.
2819         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
2820         hoist_memory_reference, memref_hash, memref_eq, memref_del,
2821         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
2822         New functions.
2823         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
2824         (determine_lsm_loop): Rewritten.
2825         (determine_lsm): Do not set stmt uids.
2826
2827 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2828
2829         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
2830         letters.
2831
2832 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2833
2834         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
2835         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
2836         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
2837
2838 2005-05-10  Jeff Law  <law@redhat.com>
2839
2840         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
2841         thread_across_edge for any abnormal edges.
2842
2843 2005-05-10  Richard Henderson  <rth@redhat.com>
2844
2845         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
2846         * config/ia64/ia64-protos.h: Declare it.
2847         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
2848         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
2849         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
2850         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
2851         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
2852         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
2853         extend result; use release semantics.
2854         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
2855         (sync_val_compare_and_swap_<IMODE>): Update to match.
2856
2857 2005-05-10  Richard Henderson  <rth@redhat.com>
2858
2859         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
2860         before comparing it for success.
2861
2862 2005-05-10  Richard Henderson  <rth@redhat.com>
2863
2864         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
2865         no return value pattern.
2866
2867 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
2868             H.J. Lu  <hongjiu.lu@intel.com>
2869
2870         * libgcov.c (create_file_directory): New function. Create
2871         directory for the given file name.
2872         (gcov_max_filename): New static var. Keeps size of the longest
2873         file name.
2874         (gcov_exit): Always try to create directory for output
2875         file. Relocate each filename basing on environment vars.
2876         (__gcov_init): Remember the longest file name.
2877         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
2878         * doc/gcov.texi (Cross-profiling): New node documenting
2879         cross-profiling management.
2880         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
2881
2882 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2883
2884         * config/sparc/sparc.c (mem_min_alignment): Do not rely
2885         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
2886
2887 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
2888
2889         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
2890         case code to avoid one move instruction.
2891         (__umodsi3, __modsi3): Merge duplicated code sequences.
2892
2893 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2894
2895         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
2896         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
2897         * doc/invoke.texi: Fix typos.
2898
2899         * tree-data-ref.c (analyze_array_indexes, analyze_array,
2900         init_data_ref, access_functions_are_affine_or_constant_p,
2901         free_data_refs): Use VEC instead of VARRAY.
2902         * tree-data-ref.h (data_reference): Change the type of
2903         access_fns to VEC(tree,gc)*.
2904         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
2905
2906 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
2907
2908         PR c/17913
2909         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
2910         * fold-const.c (fold): Expand the condition of reducing cond_expr.
2911         (contains_label_1, contains_label_p): New functions for checking
2912         labels in a sub-tree.
2913
2914 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2915
2916         PR c/21342
2917         * c-decl.c (pushdecl): When there is a declaration in the current
2918         scope and the declarations are external linkage, check for
2919         compatibility with the type in the external scope and update the
2920         type in the external scope with the composite type information.
2921         Do not form a composite type of the new type and the visible type
2922         if they are incompatible.
2923
2924 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2925
2926         * crtstuff.c: Revert part of 2005-05-08 Change.
2927         (IN_LIBGCC2): Define.
2928
2929 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2930
2931         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
2932         remove redundant test.
2933         (fp_mov_p): Accept 0.
2934         (fp_high_losum_p): Remove redundant test.
2935         * config/sparc/predicates.md (const_high_operand): Explicitly test
2936         (not small_int_operand).
2937         (fp_const_high_losum_operand): New.
2938         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
2939         (movdi_insn_sp32_v9): Use canonical predicates.
2940         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
2941         (movdi_insn_sp64_novis): Delete.
2942         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
2943         (movsf_insn_novis): Delete.
2944         (movsf_insn_vis): Rename into movsf_insn.
2945         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
2946         (movsf_lo_sum): Use fp_const_high_losum_operand.
2947         (movsf_high): Likewise.
2948         (movsf_high_losum splitter): Likewise.
2949         (mov<V32:mode> expander): Use register_or_zero_operand.
2950         (mov<V64:mode> expander): Likewise.
2951         (movdf_insn_sp32): Use register_or_zero_operand.
2952         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
2953         Rename into movdf_insn_sp32_no_fpu.
2954         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
2955         Rename into movdf_insn_sp32_v9_no_fpu.
2956         (movdf_insn_v9only_novis): Delete.
2957         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
2958         (movdf_insn_sp64_novis): Delete.
2959         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
2960         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
2961         Rename into movdf_insn_sp64_no_fpu.
2962         (movtf expander): Use register_or_zero_operand.
2963         (movtf_insn_sp32): Delete.
2964         (movtf_insn_vis_sp32): Use register_or_zero_operand.
2965         Rename into movtf_insn_sp32.
2966         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
2967         Rename into movtf_insn_sp32_no_fpu.
2968         (movtf_insn_hq_sp64): Delete.
2969         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
2970         Rename into movtf_insn_sp64_hq.
2971         (movtf_insn_sp64): Delete.
2972         (movtf_insn_vis_sp64): Use register_or_zero_operand.
2973         Rename into movtf_insn_sp64.
2974         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
2975         Rename into movtf_insn_sp64_no_fpu.
2976
2977 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2978
2979         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
2980         gcc_assert and gcc_unreachable as appropriate.
2981         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
2982         xstormy16_output_cbranch_si, xstormy16_split_move,
2983         xstormy16_initial_elimination_offset,
2984         xstormy16_encode_section_info, xstormy16_print_operand_address,
2985         xstormy16_expand_call, xstormy16_expand_arith,
2986         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
2987
2988 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2989
2990         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
2991         const_copies to VEC(tree,heap)*.
2992         (new_elim_graph, delete_elim_graph, elim_graph_size,
2993         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
2994         instead of VARRAY.
2995
2996 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2997
2998         PR other/21052
2999         * doc/extend.texi (Type Attributes): Correct example syntax.
3000
3001 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
3002
3003         PR c/21160
3004         * doc/invoke.texi (-Wuninitialized): Update documentation.
3005
3006 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
3007
3008         * arm.c (const_ok_for_arm): Use a faster algorithm.
3009
3010 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
3011
3012         PR target/21477
3013         * config/rs6000/rs6000.md (add_op2): New.
3014         (add<mode>3): Use it.
3015
3016 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
3017
3018         * arm.c (arm_gen_constant): Add new heuristic for generating
3019         constant integers that can be expressed as the difference of two
3020         valid immediates.
3021
3022 2005-05-09  Roger Sayle  <roger@eyesopen.com>
3023
3024         * c-tree.h (parser_build_unary_op): New prototype.
3025         * c-typeck.c (parser_build_unary_op): New function to construct
3026         a unary operation in the C parser.
3027         * c-parser.c (c_parser_unary_expression):  Use the new function
3028         parser_build_unary_op when appropriate.
3029
3030 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
3031
3032         PR 18655
3033         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
3034         before outputting DWARF_FRAME_RETURN_COLUMN.
3035
3036 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3037
3038         * config/s390/s390.c: (s390_branch_condition_mask,
3039         s390_branch_condition_mnemonic, s390_extra_constraint_str,
3040         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
3041         legitimize_pic_address, s390_emit_tls_call_insn,
3042         legitimize_tls_address, legitimize_tls_address,
3043         s390_expand_addcc, print_shift_count_operand, print_operand,
3044         addr_generation_dependency_p, annotate_constant_pool_refs,
3045         s390_split_branches, find_constant_pool_ref,
3046         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
3047         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
3048         s390_output_pool_entry, s390_function_value,
3049         s390_call_saved_register_used, s390_emit_call): Replace
3050         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
3051         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
3052         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
3053         get_some_local_dynamic_name, s390_function_arg_size,
3054         s390_function_arg_advance, s390_function_arg,
3055         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
3056         default case by gcc_unreachable.
3057         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
3058         conditional abort by gcc_assert.
3059         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
3060         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
3061
3062 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3063
3064         * config/s390/s390.c: (s390_decompose_address,
3065         tls_symbolic_operand, legitimate_pic_operand_p,
3066         legitimate_constant_p, legitimate_reload_constant_p,
3067         s390_expand_plus_operand, legitimate_address_p,
3068         legitimate_la_operand_p, ): Remove 'register' from signature.
3069         (symbolic_reference_mentioned_p,
3070         tls_symbolic_reference_mentioned_p): Remove 'register' from local
3071         variable declarations.
3072         (legitimize_address): Remove 'register' from
3073         signature and local variable declarations.
3074
3075 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3076
3077         * config/s390/s390-protos.h: (s390_match_ccmode,
3078         s390_match_ccmode_set, reg_used_in_mem_p,
3079         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
3080         legitimate_la_operand_p, preferred_la_operand_p,
3081         s390_short_displacement, addr_generation_dependency_p,
3082         legitimate_reload_constant_p, legitimate_address_p): Change return type
3083         into 'bool'.
3084         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
3085         * config/s390/s390.c: (s390_match_ccmode,
3086         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
3087         legitimate_reload_constant_p): Change return type into 'bool'.
3088         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
3089         Likewise.  Additionally adapted comment.
3090         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
3091         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
3092         (s390_decompose_address): Change the type of the internal flags
3093         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
3094         (struct s390_address): Change type of "pointer" into bool.
3095         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
3096         Adapt calls for 's390_tm_ccmode' to the new signature.
3097
3098 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3099
3100         * config/s390/s390.c: (s390_match_ccmode_set,
3101         s390_branch_condition_mnemonic, s390_short_displacement,
3102         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
3103         print_shift_count_operand, get_some_local_dynamic_name,
3104         get_some_local_dynamic_name_1, reg_used_in_mem_p,
3105         addr_generation_dependency_p, s390_split_branches,
3106         annotate_constant_pool_refs, find_constant_pool_ref,
3107         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
3108         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
3109         s390_register_info, s390_frame_info, s390_init_frame_layout,
3110         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
3111         restore_gprs, s390_function_arg_size, s390_function_arg_float,
3112         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
3113         s390_encode_section_info, s390_cannot_force_const_mem,
3114         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
3115         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
3116         s390_adjust_priority, s390_issue_rate,
3117         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
3118         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
3119         s390_build_builtin_va_list, s390_gimplify_va_arg,
3120         s390_function_ok_for_sibcall, s390_call_saved_register_used,
3121         s390_pass_by_reference, s390_fixed_condition_code_regs,
3122         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
3123         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
3124         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
3125         s390_add_pool_insn, s390_find_pool, s390_add_constant,
3126         s390_find_constant, s390_add_execute, s390_find_execute,
3127         s390_execute_label, s390_execute_target, s390_dump_pool,
3128         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
3129         Move target macro definitions to the end of the file.  Move several
3130         functions within the file to assure correct compiling.
3131
3132 2005-05-09  Steven Bosscher  <stevenb@suse.de>
3133
3134         * calls.c (purge_reg_equiv_notes): Remove, fold into...
3135         (fixup_tail_calls): ...here.  Only look at insns between the
3136         start of the function and the FUNCTION_BEG insn note.
3137
3138         * gcse.c (one_cprop_pass): Fix typos in dumps.
3139
3140         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
3141
3142 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3143
3144         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
3145         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
3146         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
3147         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
3148         CC_REGNUM)'.
3149         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
3150         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
3151         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
3152         REG_SC)'.
3153
3154 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3155
3156         * config/s390/s390.md: ("gf") New mode attribute.
3157         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
3158         "fixuns_truncsfsi2"): Merge.
3159         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
3160         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
3161         "fix_truncsfsi2_ieee"): Merge.
3162
3163 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3164
3165         * config/s390/s390.md: ("FPR") New mode macro.
3166         ("de", "dee"): New mode attributes.
3167         ("cmpdf", "cmpsf"): Merge.
3168         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
3169         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
3170         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
3171         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
3172         ("floatdidf2", "floatdisf2"): Merge.
3173         ("adddf3", "addsf3"): Merge.
3174         ("*adddf3", "*addsf3"): Merge.
3175         ("*adddf3_cc", "*addsf3_cc"): Merge.
3176         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
3177         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
3178         ("subdf3", "subsf3"): Merge.
3179         ("*subdf3", "*subsf3"): Merge.
3180         ("*subdf3_cc", "*subsf3_cc"): Merge.
3181         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
3182         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
3183         ("muldf3", "mulsf3"): Merge.
3184         ("*muldf3", "*mulsf3" "): Merge.
3185         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
3186         ("*fmadddf", "*fmaddsf"): Merge.
3187         ("*fmsubdf", "*fmsubsf"): Merge.
3188         ("divdf3", "divsf3"): Merge.
3189         ("*divdf3", "*divsf3"): Merge.
3190         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
3191         ("negdf2", "negsf2"): Merge.
3192         ("*negdf2_cc", "*negsf2_cc"): Merge.
3193         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
3194         ("*negdf2", "*negsf2"): Merge.
3195         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
3196         ("absdf2", "abssf2"): Merge.
3197         ("*absdf2_cc", "*abssf2_cc"): Merge.
3198         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
3199         ("*absdf2", "*abssf2"): Merge.
3200         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
3201         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
3202         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
3203         ("*negabsdf2", "*negabssf2"): Merge.
3204         ("sqrtdf2", "sqrtsf2"): Merge.
3205
3206 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3207
3208         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
3209         attribute names.
3210         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
3211         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
3212         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3213         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
3214         attribute names.
3215         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
3216         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
3217         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
3218         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
3219         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
3220         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
3221         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
3222         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
3223         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
3224         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
3225         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
3226         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
3227         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
3228         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
3229         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
3230         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
3231         'type' value.
3232         ("*divsf3"): Additionally rename second pattern to
3233         "*divsf3_ibm".
3234         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
3235         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
3236         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
3237         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
3238         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
3239         'type values' and rename 'type' value.
3240         ("*addsf3"): Additionally rename second pattern to
3241         "*addsf3_ibm".
3242
3243 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3244
3245         * config/s390/s390.md: ("SHIFT"): New mode macro.
3246         ("lr", "shift"): New mode attributes.
3247         ("ashldi3", "lshrdi3"): Merge.
3248         ("*ashldi3_31", "*lshrdi3"_31): Merge.
3249         ("*ashldi3_64", "*lshrdi3"_64): Merge.
3250         ("ashlsi3", "lshrsi3"): Merge.
3251
3252 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3253
3254         * config/s390/s390.md: ("DSI", "SCOND"): New mode
3255         macros.
3256         ("E", "g"): New mode attributes.
3257         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
3258         ("*adddi3_alc", "*addsi3_alc"): Merge.
3259         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
3260         ("*subdi3_slb", "*subsi3_slb"): Merge.
3261         ("adddicc", "addsicc"): Merge.
3262         ("*sconddi", "*scondsi"): Merge.
3263         ("*sconddi_neg", "*scondsi_neg"): Merge.
3264         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
3265         ("negdi2", "negsi2"): Extract expander pattern from
3266         "negsi2" and merge with "negdi2".
3267         ("*negdi2"): Merge with instruction pattern of "negsi2".
3268         ("*negdi2_cc", "*negsi2_cc"): Merge.
3269         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
3270         ("rotldi3", "rotlsi3"): Merge.
3271
3272 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3273
3274         * config/s390/s390.md: ("hc"): New mode attribute.
3275         ("extendhidi2", "extendqidi2"): Merge.
3276         ("*extendhidi2", "*extendqidi2"): Merge.
3277         ("extendhisi2", "extendqisi2"): Merge.
3278         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
3279         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
3280         Merged 2 define_split.
3281         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
3282         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
3283
3284 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3285
3286         * config/s390/s390.md: ("COMPARE"): New mode macro.
3287         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
3288         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
3289         "bungt", "bunle", "bunge", "bltgt"): Merge.
3290
3291 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3292
3293         * config/s390/s390.md: ("INT"): New mode macro.
3294         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
3295         Merge.
3296
3297 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3298
3299         * config/s390/s390.md: ("GPR", "P"): New mode macros.
3300         ("cmpdi", "cmpsi"): Merge.
3301         ("strlendi", "strlensi"): Merge.
3302         ("*strlendi", "*strlensi"): Merge.
3303         ("movmemdi", "movmemsi"): Merge.
3304         ("clrmemdi", "clrmemsi"): Merge.
3305
3306 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3307
3308         * config/s390/s390.md: ("HQI"): New mode macro.
3309         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
3310         ("*tmhi_full", "*tmqi_full"): Merge.
3311         ("*tsthiCCT", "*tstqiCCT"): Merge.
3312         ("*tsthi", "*tstqi"): Merge.
3313         ("*tsthi_cconly", "tstqi_cconly"): Merge.
3314         ("*sethighhisi", "*sethighqisi"): Merge.
3315
3316 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
3317
3318         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
3319         config/alpha/unicosmk.h, config/arc/arc.md,
3320         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
3321         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
3322         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
3323         config/arm/semi.h, config/arm/uclinux-elf.h,
3324         config/arm/wince-pe.h, config/fr30/fr30.c,
3325         config/rs6000/altivec.h: Update copyright.
3326
3327 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3328
3329         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
3330         gcc_assert and gcc_unreachable as appropriate.
3331         (pdp11_output_function_epilogue, output_move_double,
3332         output_move_quad, print_operand_address, output_jump,
3333         output_addr_const_pdp11): Likewise.
3334         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
3335         ASM_OUTPUT_ALIGN): Likewise.
3336         * config/pdp11/pdp11.md: Likewise.
3337         (extendhisi2, subhi3, subqi3): Likewise.
3338
3339 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
3340
3341         PR middle-end/21237
3342         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
3343         to NE_EXPR case.
3344
3345 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
3346
3347         * config/ia64/ia64.c: Fix a comment typo.
3348
3349 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
3350
3351         PR target/21397
3352         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
3353         (arm_override_options): Use them instead of manifest constants.  Don't
3354         allow -march to override the -mtune setting.
3355
3356 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3357
3358         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
3359         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
3360         (function_arg_advance, function_arg, save_restore_insns,
3361         iq2000_expand_prologue, iq2000_output_conditional_branch,
3362         expand_one_builtin, print_operand):
3363         * config/iq2000/iq2000.md (tablejump): Likewise.
3364
3365 2005-05-09  David Ung  <davidu@mips.com>
3366
3367         * config/mips/mips.h (processor_type): Add names for the 24K.
3368         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
3369         processor family.
3370         * config/mips/mips.md (cnv_mode): New attribute for recording the
3371         conversion types of float convert insns.
3372         (cpu): Add 24k and 24kx.
3373         (include): Include 24k.md file.
3374         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
3375         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
3376         (floatdisf2): Setup cnv_mode.
3377         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
3378         setup cnv_mode.
3379         * config/mips/24k.md: New file, contains 24k DFA pipeline
3380         description.
3381
3382 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3383
3384         * config/sh/sh.c (print_operand_address): Use gcc_assert and
3385         gcc_unreachable as appropriate.
3386         (print_operand, prepare_move_operands, prepare_scc_operands,
3387         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
3388         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
3389         fixup_mova, gen_far_branch, sh_reorg, split_branches,
3390         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
3391         sh_set_return_address, sh_setup_incoming_varargs,
3392         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
3393         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
3394         check_use_sfunc_addr): Likewise.
3395         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
3396         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
3397         * config/sh/symbian.c (sh_symbian_mark_dllexport,
3398         sh_symbian_mark_dllimport): Likewise.
3399         * config/sh/sh.md: Likewise.
3400         (movdicc, call_pop, call_value_pop, casesi_worker_1,
3401         casesi_worker_2, casesi_shift_media, casesi_load_media,
3402         return_media): Likewise.
3403
3404 2005-05-08  Roger Sayle  <roger@eyesopen.com>
3405
3406         PR inline-asm/8788
3407         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
3408         operands.
3409
3410 2005-05-08  Richard Henderson  <rth@redhat.com>
3411
3412         * config/alpha/alpha.c (adjust_address): Fix typo last change.
3413
3414 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3415
3416         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
3417         and -1 can happen in reg_renumber when no hard register is assigned.
3418
3419 2005-05-08  Steven Bosscher  <stevenb@suse.de>
3420             Kazu Hirata  <kazu@cs.umass.edu>
3421
3422         PR tree-optimization/14841, tree-optimization/15838
3423         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
3424         (evaluate_stmt): Call it.
3425
3426 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
3427
3428         * config/ia64/ia64.c (ia64_override_options): Don't set
3429         ia64_flag_var_tracking and clear flag_var_tracking here...
3430         (ia64_file_start): ... but here.
3431
3432 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3433
3434         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
3435         and gcc_unreachable as appropriate.
3436         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
3437         m68hc11_gen_highpart, print_operand, print_operand_address,
3438         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
3439         m68hc11_gen_movhi): Likewise.
3440         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
3441         * config/m68hc11/m68hc11.md: Reword comment.
3442
3443 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3444
3445         PR target/21281
3446         * config/m68hc11/predicates.md (splitable_operand): An immediate is
3447         allowed.
3448
3449 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3450
3451         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
3452         the 68HC12 address indirect addressing mode as it is not supported by
3453         bset and bclr.
3454         * config/m68hc11/m68hc11-protos.h
3455         (m68hc11_valid_addressing_p): Declare.
3456         (m68hc11_add_mode): Declare.
3457         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
3458         register_indirect_p and export it.
3459         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
3460         instruction so that it is part of the good BB.
3461         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
3462         addressing with movw.
3463         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
3464         68HC12.
3465         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
3466         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
3467         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
3468         for 68HC11.
3469         ("*movhi_68hc12"): Handle movhi_const0.
3470         ("*subhi3", "subqi3"): Use general_operand for operand 1.
3471         ("*subhi3_zext"): Likewise.
3472
3473 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3474
3475         PR target/19051
3476         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
3477         operand 1 and fix constraints.
3478         ("mulqihi3"): Use general_operand for operand 2.
3479
3480 2005-05-08  Julian Brown  <julian@codesourcery.com>
3481             H.J. Lu  <hongjiu.lu@intel.com>
3482             Paul Brook  <paul@codesourcery.com>
3483
3484         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
3485         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
3486         20050308/2.16.0 or newer for comdat group.
3487         * configure: Regenerated.
3488         * config.in: Regenerated.
3489         * varasm.c (default_function_rodata_section): Put .rodata section in
3490         COMDAT group when necessary.
3491         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
3492         HAVE_COMDAT_GROUP.
3493         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
3494         available.
3495
3496 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
3497
3498         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
3499         instead of VARRAY.
3500         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
3501         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
3502         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
3503         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3504
3505 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3506
3507         PR target/16925
3508         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
3509         64-bit constants on 64-bit hosts.
3510         (m68hc11_split_logical): Simplify.
3511         (m68hc11_split_move): Likewise.
3512
3513 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3514             Paolo Bonzini  <bonzini@gnu.org>
3515
3516         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
3517         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
3518         * configure.ac (enable_checking): Fix typos in runtime_checking.
3519         (ENABLE_RUNTIME_CHECKING): Mark as target template.
3520         (xm_file): Prepend auto-host.h
3521         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
3522         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
3523         tconfig.h.
3524         * crtstuff.c: Do not include auto-host.h.
3525         (IN_LIBGCC2): Do not define.
3526         * gcov-io.h: Include tconfig.h, not auto-host.h.
3527         * libgcc2.c: Do not include auto-host.h.
3528         (abort): Do not undefine.
3529         * libgcov.c: Remove unneeded comment about config.h.
3530         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
3531         * config.in, configure: Regenerated.
3532
3533 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3534             Falk Hueffner  <falk@debian.org>
3535
3536         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
3537         and gcc_unreachable as appropriate.
3538         (get_aligned_mem, get_unaligned_address,
3539         alpha_emit_set_long_const, alpha_emit_conditional_branch,
3540         alpha_emit_setcc, alpha_emit_conditional_move,
3541         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
3542         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
3543         alpha_expand_unaligned_load, alpha_expand_block_move,
3544         alpha_expand_zap_mask, get_trap_mode_suffix,
3545         get_round_mode_suffix, get_some_local_dynamic_name,
3546         print_operand_address, function_arg, alpha_return_in_memory,
3547         function_value, alpha_expand_builtin,
3548         alpha_initial_elimination_offset, alpha_expand_epilogue,
3549         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
3550         alphaev5_next_group, alpha_align_insns,
3551         unicosmk_initial_elimination_offset, unicosmk_unique_section,
3552         unicosmk_ssib_name): Likewise.
3553         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3554         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
3555         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
3556         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
3557         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3558         * config/alpha/alpha.md (*divmodsi_internal_er,
3559         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
3560         call_nt, call_umk, call_vms, call_value, sibcall_value,
3561         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
3562         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
3563         * config/alpha/predicates.md (input_operand): Likewise.
3564
3565 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3566
3567         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
3568         gcc_unreachable, as appropriate.
3569         (frv_function_prologue, frv_alloc_temp_reg,
3570         frv_initial_elimination_offset, frv_expand_block_move,
3571         frv_expand_block_clear, frv_print_operand_jump_hint,
3572         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
3573         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
3574         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
3575         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
3576         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
3577         frv_in_small_data_p, frv_asm_out_constructor,
3578         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
3579         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
3580         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
3581         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
3582         sibcall_value, casesi): Likewise.
3583
3584         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
3585         gcc_unreachable as appropriate.
3586         (print_operand_address, mn10300_print_reg_list, expand_prologue,
3587         expand_epilogue, notice_update_cc, initial_offset,
3588         mn10300_address_cost_1): Likewise.
3589         * config/mn10300/mn10300.md: Likewise.
3590         (absdf2, abssf2, negdf2, negsf2): Likewise.
3591
3592 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
3593
3594         PR target/21416
3595         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
3596         comparisons.
3597         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
3598         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
3599         including sunge_<mode> and sungt_<mode>.
3600
3601 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
3602
3603         * integrate.h (get_hard_reg_initial_val): Change type of register
3604         parameter from int to unsigned int.
3605         (has_hard_reg_initial_val): Likewise.
3606         * integrate.c (get_hard_reg_initial_val): Likewise.
3607         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
3608
3609 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
3610
3611         * except.c (eh_status): Change the type of ttype_data to
3612         VEC(tree,gc)*.
3613         (add_ttypes_entry, assign_filter_values,
3614         output_function_exception_table): Use VEC instead of VARRAY.
3615
3616 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
3617
3618         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
3619
3620 2005-05-07  Paul Brook  <paul@codesourcery.com>
3621
3622         * Makefile.in: Fix dependencies.
3623         (GCOV_IO_H, VARRAY_H): Set.
3624
3625 2005-05-07  Anthony Green  <green@redhat.com>
3626
3627         PR bootstrap/21403
3628         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
3629         x$STMP_FIXPROTO test.
3630         * configure: Rebuilt.
3631
3632 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
3633
3634         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
3635         inappropriate feature test macros if flag_iso.
3636
3637 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
3638
3639         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
3640
3641 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
3642
3643         PR target/21441
3644         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
3645         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
3646         Handle moved operand being in special register.
3647         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
3648         presumed working insn.
3649         (mover2side): Add FIXME.
3650
3651 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
3652
3653         * integrate.c (get_func_hard_reg_initial_val): Delete.
3654         (has_func_hard_reg_initial_val): Delete.
3655         (get_hard_reg_initial_val): Inline the old implementation of
3656         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
3657         instead of has_func_hard_reg_initial_val to test for an existing
3658         pseudo.  Only create an rtx if a new initial value entry is needed.
3659         (has_hard_reg_initial_val): Scan the initial value list directly.
3660         Don't create an rtx.
3661
3662 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
3663
3664         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
3665         from extra_options.
3666         * config.in (HAVE_AS_POPCNTB): New.
3667         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
3668         (HAVE_AS_POPCNTB): New.
3669         * configure: Regenerated.
3670         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
3671         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
3672         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
3673         and rs6000_sched_costly_dep.
3674         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
3675         (TARGET_XL_COMPAT): Delete.
3676         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
3677         (popcount<mode>2): New.
3678         (popcntb<mode>2): New.
3679         * config/rs6000/rs6000.opt (mpopcntb): New.
3680
3681         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
3682         if variable name exists.
3683
3684 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
3685
3686         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
3687
3688 2005-05-07  Richard Henderson  <rth@redhat.com>
3689
3690         PR target/21412
3691         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
3692         with constant offsets.
3693
3694 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
3695
3696         * config/v850/v850.c (print_operand): Use gcc_assert and
3697         gcc_unreachable, as appropriate.
3698         (print_operand_address, v850_handle_data_area_attribute,
3699         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
3700         v850_insert_attributes, construct_prepare_instruction): Likewise.
3701         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3702         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
3703
3704 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
3705
3706         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
3707         config/rs6000/rs6000.h: Fix comment typos.
3708
3709 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
3710
3711         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
3712         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
3713         (mips_scalar_mode_supported_p): Delete.
3714
3715 2005-05-06  Eric Christopher  <echristo@redhat.com>
3716
3717         * config/mips/mips.opt: Remove -mint64 option.
3718         * config/mips/mips.c (override_options): Remove -mint64
3719         handling.
3720         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
3721         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
3722         64-bit integer handling.
3723         * doc/invoke.texi (Option Summary): Remove -mint64 for
3724         mips.
3725
3726 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3727
3728         PR tree-optimization/19401
3729         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
3730         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
3731         (estimated_unrolled_size): New function.
3732         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
3733         tree_unroll_loops_completely): Always unroll loops if the code size
3734         does not increase.
3735         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
3736         loops should be unrolled completely.
3737         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
3738
3739 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3740
3741         PR rtl-optimization/21254
3742         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
3743         assumptions for loops that otherwise do not roll.
3744         (find_simple_exit): Prefer # of iterations that is guaranteed
3745         not to be infinite.
3746         * loop-unroll.c (decide_peel_once_rolling,
3747         decide_peel_completely): Check whether the loop is infinite.
3748
3749 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
3750
3751         * config/rs6000/sysv4.opt: Fix typo.
3752
3753 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
3754             Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR target/21329
3757         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
3758         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
3759         Don't use rep; movs{l,q} if the repetition count is really small,
3760         instead use a sequence of movs{l,q} instructions.
3761
3762 2005-05-06  Jeff Law  <law@redhat.com>
3763
3764         PR tree-optimization/21380
3765         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
3766         thread through a block with no preds.
3767
3768 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
3769
3770         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
3771         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
3772         add_call_read_ops): Use VEC instead of VARRAY.
3773
3774 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3775
3776         * config/mcore/mcore.c (mcore_print_operand_address): Use
3777         gcc_assert and gcc_unreachable as appropriate.
3778         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
3779         mcore_output_andn, output_inline_const, mcore_output_move,
3780         mcore_output_movedouble, mcore_expand_block_move,
3781         layout_mcore_frame, mcore_initial_elimination_offset,
3782         mcore_expand_prolog, mcore_mark_dllexport,
3783         mcore_mark_dllimport): Likewise.
3784         * config/mcore/mcore.h (switch_to_section): Likewise.
3785         * config/mcore/mcore.md: Likewise.
3786
3787 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
3788
3789         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
3790         TARGET_PROFILE_KERNEL.
3791
3792         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
3793         TARGET_PROFILE_KERNEL use.
3794
3795 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3796
3797         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
3798         and gcc_unreachable, as appropriate.
3799         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
3800         m32r_expand_prologue, m32r_output_function_epilogue,
3801         m32r_legitimize_pic_address, m32r_print_operand_address,
3802         emit_cond_move, m32r_function_symbol,
3803         m32r_output_block_move): Likewise.
3804         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3805         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
3806         *rev_zero_branch_insn): Likewise.
3807
3808 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
3809
3810         PR c++/20961
3811         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
3812         if both NEWDECL and OLDDECL are already weak.
3813
3814 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
3815
3816         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3817
3818 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
3819             Kaz Kojima  <kkojima@gcc.gnu.org>
3820
3821         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
3822         and plus_constant.
3823
3824 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
3825             David Edelsohn  <edelsohn@gnu.org>
3826
3827         * config.gcc: Add .opt magic for the rs6000 ports.
3828
3829         * doc/invoke.texi: Document -mabi= option properly.  Document
3830         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
3831         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
3832         -misel=.
3833
3834         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
3835         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
3836         TARGET_XL_COMPAT.
3837
3838         * config/rs6000/aix.opt: New.
3839         * config/rs6000/aix41.opt: New.
3840         * config/rs6000/aix64.opt: New.
3841         * config/rs6000/darwin.opt: New.
3842         * config/rs6000/linux64.opt: New.
3843         * config/rs6000/rs6000.opt: New.
3844         * config/rs6000/sysv4.opt: New.
3845
3846         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
3847         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
3848         SUBTARGET_SWITCHES.
3849         Define TARGET_USES_SYSV4_OPT.
3850         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
3851         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
3852         TARGET_USES_AIX64_OPT.
3853         * config/rs6000/aix51.h: Same.
3854         * config/rs6000/aix52.h: Same.
3855         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
3856         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
3857         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
3858         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
3859         * config/rs6000/linux64.h: Use
3860         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
3861
3862         * config/rs6000/rs6000.c: Remove definitions of
3863         rs6000_sched_restricted_insns_priority,
3864         rs6000_long_double_size_string, rs6000_altivec_vrsave,
3865         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
3866         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3867         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
3868         rs6000_alignment_string.  Define rs6000_explicit_options.
3869         (rs6000_parse_abi_options): Remove.
3870         (rs6000_parse_alignment_option): Remove.
3871         (rs6000_parse_float_gprs_option): Remove.
3872         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
3873         TARGET_DEFAULT_TARGET_FLAGS.
3874         (rs6000_override_options): Revamp to use new .opt machinery.
3875
3876         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
3877         of new .opt machinery.  Remove target_flags.  Redefine
3878         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
3879         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
3880         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3881         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
3882         rs6000_longcall_switch, rs6000_default_long_calls,
3883         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
3884         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
3885         TARGET_ALTIVEC_VRSAVE.
3886
3887 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3888
3889         * config.gcc (hppa1.1-*-rtems*): Remove.
3890         * config/pa/rtems.h: Remove.
3891
3892 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3893
3894         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
3895         Exclude roe/603e multilib variants.
3896
3897 2005-05-04  Denis Chertykov  <denisc@overta.ru>
3898
3899         PR target/21284
3900         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
3901         for output.
3902
3903 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
3904
3905         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
3906         arm/pe.opt to $extra_options.
3907         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
3908         (target_float_abi_name, target_float_switch, target_abi_name)
3909         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
3910         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
3911         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
3912         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
3913         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
3914         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
3915         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
3916         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
3917         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
3918         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
3919         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
3920         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
3921         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
3922         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
3923         (arm_pic_register_string): Delete.
3924         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
3925         TARGET_TPCS_FRAME.
3926         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
3927         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
3928         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
3929         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
3930         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
3931         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
3932         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
3933         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
3934         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
3935         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
3936         (SUBTARGET_SWITCHES): Delete.
3937         * config/arm/arm.c (target_float_switch): Delete.
3938         (arm_cpu_select): Moved from config/arm/arm.h.
3939         (target_fpu_name, target_fpe_name, target_float_abi_name)
3940         (target_abi_name, structure_size_string, arm_pic_register_string)
3941         (arm_select): Make static.
3942         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3943         (arm_handle_option): New function.
3944         (arm_override_options): Update target_flags checks for new mask names.
3945         Remove target_float_switch code.
3946         (arm_expand_prologue, thumb_expand_prologue): Check
3947         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
3948         * config/arm/arm.opt, config/arm/pe.opt: New files.
3949
3950 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
3951
3952         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
3953         gcc_unreachable as appropriate.
3954         (arc_double_limm_p, arc_setup_incoming_varargs,
3955         arc_compute_function_type, arc_output_function_prologue,
3956         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
3957         output_shift, arc_print_operand, arc_print_operand_address,
3958         arc_final_prescan_insn): Likewise.
3959         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
3960
3961 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
3962
3963         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
3964         comparing Pmode.
3965         (SDI): New.
3966         (cmp): Delete.
3967         (wd): New.
3968         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
3969         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
3970         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
3971         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
3972         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
3973         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
3974         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
3975         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
3976
3977 2005-05-05  Paul Brook  <paul@codesourcery.com>
3978
3979         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
3980         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
3981         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
3982         and tree-data-ref.h with *_H variables.
3983
3984 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3985
3986         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
3987
3988 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3989
3990         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
3991
3992 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
3993
3994         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
3995
3996 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
3997
3998         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
3999         setting of vrsave register for current function after
4000         call to save_world is emitted.
4001
4002 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
4003
4004         * config/mmix/predicates.md: New file.
4005         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
4006         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
4007         (mmix_foldable_comparison_operator, mmix_comparison_operator)
4008         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
4009         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4010         Don't define.
4011         * config/mmix/mmix.md: Include predicates.md.
4012         ("call", "call_value"): Force address to register if it isn't a
4013         mmix_symbolic_or_address_operand.
4014
4015 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
4016
4017         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
4018         the flags are of appropriate types.
4019         (num_ssa_operands): Generalize using the generic interface.
4020         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
4021         iterator.
4022
4023 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
4024
4025         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
4026         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
4027
4028 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4029
4030         * tree-outof-ssa.c (edge_leader, stmt_list,
4031         analyze_edges_for_bb): Use VEC instead of VARRAY.
4032         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
4033         (perform_edge_inserts): Call init_analayze_edges_for_bb and
4034         fini_analayze_edges_for_bb.
4035
4036 2005-05-04  James E Wilson  <wilson@specifixinc.com>
4037
4038         PR driver/21112
4039         * gcc.c (process_command): In the second argv scan loop, ignore
4040         Xassembler and Xpreprocessor, along with their argument.
4041
4042 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4043
4044         * tree-flow-inline.h, tree-ssa-operands.c,
4045         tree-ssa-operands.h, tree-ssa-opfinalize.h:
4046         Likewise. tree-vn.c: Fix comment typos.
4047         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
4048
4049 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
4050
4051         * doc/tm.texi (Target Hooks): Document
4052         TARGET_RESOLVE_OVERLOADED_BUILTIN.
4053
4054 2005-05-04  Paul Brook  <paul@codesourcery.com>
4055
4056         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
4057
4058 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4059
4060         * dwarf2out.c (incomplete_types, retry_incomplete_types,
4061         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
4062         of VARRAY.
4063
4064         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
4065         get_expansion, expand_var_during_unrolling,
4066         insert_var_expansion_initialization,
4067         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
4068         instead of VARRAY.
4069
4070         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
4071         update_stmt.
4072
4073 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
4074
4075         PR middle-end/15618
4076         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
4077         the same as INTEGER_TYPE.
4078         (fold_binary): Fold "bool_var != 0" to bool_var.
4079         Fold "bool_var == 1" to bool_var.
4080
4081 2004-05-03  Richard Henderson  <rth@redhat.com>
4082
4083         PR middle-end/21318
4084         * function.c (instantiate_virtual_regs_in_insn): Use the mode
4085         from recog_data instead of insn_data.
4086
4087 2005-05-03  DJ Delorie  <dj@redhat.com>
4088
4089         * common.opt (fdiagnostics-show-option): No variable is needed.
4090         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
4091         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
4092         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
4093         Save and restore original message format.  Use flag in context
4094         instead of global.
4095         (warning): Don't test for enabled warnings here.
4096         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
4097         here.
4098
4099 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
4100
4101         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
4102         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
4103         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
4104         * aclocal.m4: Don't include accross.m4.
4105         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
4106         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
4107         * configure, config.in: Regenerate.
4108
4109 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
4110
4111         PR middle-end/21265
4112         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
4113         (clear_storage): Add argument.
4114         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
4115         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
4116         tailcall.
4117         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
4118         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
4119         (store_expr, store_constructor): Adjust callers.
4120         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
4121         to emit_block_move if CALL_EXPR_TAILCALL (exp).
4122         (expand_builtin_memmove): Add ORIG_EXP argument, copy
4123         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
4124         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
4125         with EXP.  Pass EXP to expand_builtin_memmove.
4126         (expand_builtin_memset): Add ORIG_EXP argument, pass
4127         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
4128         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
4129         Pass EXP to expand_builtin_memset.
4130         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
4131         the new CALL_EXPR.
4132         (expand_builtin_strncmp): Likewise.
4133         (expand_builtin_printf): Replace ARGLIST argument with EXP.
4134         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
4135         (expand_builtin_fprintf): Likewise.
4136         (expand_builtin): Adjust calls to
4137         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
4138
4139         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
4140         item in V4SF mode.
4141
4142         PR rtl-optimization/21239
4143         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
4144
4145 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
4146
4147         * tree-flow.h (tree_ann_common_d): Move aux to ...
4148         (stmt_ann_d): ... here.
4149         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
4150         move_computations_stmt, schedule_sm): Update references to
4151         aux.
4152         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
4153
4154         * tree-cfg.c (remove_bb): Remove a redundant call to
4155         set_bb_for_stmt.
4156         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
4157         Likewise.
4158
4159 2005-05-03  Richard Henderson  <rth@redhat.com>
4160
4161         * config/rs6000/rs6000.c: Remove conflict markers.
4162
4163         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
4164
4165 2005-05-03  James E Wilson  <wilson@specifixinc.com>
4166
4167         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
4168
4169 2005-05-03  DJ Delorie  <dj@redhat.com>
4170
4171         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
4172         decide if the warning will be printed.
4173         * calls.c (expand_call): Likewise.
4174         * function.c (init-function_start): Likewise.
4175
4176         * common.opt (-fdiagnostics-show-option): New.
4177         * opts.c (option_enabled): Accept the option index instead of a
4178         pointer to the option descriptor.
4179         * opts.h (option_enabled): Likewise.
4180         * toplev.c (print_switch_values): Pass option index, not option
4181         descriptor.
4182         * diagnostic.h (diagnostic_info): Add option_index.
4183         * diagnostic.c: Include opts.h.
4184         (diagnostic_set_info): Initialize option_index.
4185         (diagnostic_report_diagnostic): Amend option name if appropriate.
4186         (warning): Check to see if the specified warning is enabled.
4187         Store option index.
4188         * doc/invoke.texi (-fdiagnostics-show-options): Document.
4189
4190 2005-05-03  Richard Henderson  <rth@redhat.com>
4191
4192         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
4193         SPEC_OR_GEN_REGS definitions.
4194
4195 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
4196
4197         PR target/16888
4198         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
4199         for unavailable registers.
4200
4201 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
4202
4203         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
4204
4205         * cfglayout.c (block_locators_blocks,
4206         insn_locators_initialize, insn_scope): Use VEC instead of
4207         VARRAY.
4208
4209         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
4210         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
4211         VARRAY.
4212
4213 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4214
4215         * config/sparc/predicates.md (const_compl_high_operand): New.
4216         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
4217         gen_safe_HIGH64.
4218         (sparc_emit_set_const64_quick1): Adjust for above change.
4219         (sparc_emit_set_const64_quick2): Likewise.
4220         (sparc_emit_set_const64_longway): Likewise.
4221         (sparc_emit_set_const64): Likewise.
4222         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
4223         movdi_const64_special): Delete.
4224         (logical constant splitters): Use const_compl_high_operand.
4225
4226 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
4227
4228         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
4229         rather than STRIP_NOPS.
4230
4231 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
4232
4233         PR rtl-optimization/21330
4234         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
4235         returning non-NULL.
4236         (unswitch_single_loop): Clear cinsn when retrying.
4237
4238         PR target/21297
4239         * config/i386/i386.c (legitimize_address): When canonicalizing
4240         ASHIFT into MULT, multiply by 1 << shift_count instead of
4241         1 << log2 (shift_count).
4242
4243 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
4244
4245         * lambda-code.c (gcc_loop_to_lambda_loop,
4246         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
4247         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
4248         generic operand interface.
4249         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
4250         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
4251         generic operand interface.
4252         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
4253         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
4254         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
4255         num_imm_uses): Use ssa_use_operand_t.
4256         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
4257         get_v_must_def_ops): Delete.
4258         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
4259         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
4260         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
4261         get_v_must_def_kill_ptr): Delete.
4262         (delink_stmt_imm_use): Move and use new operand interface.
4263         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
4264         op_iter_next_tree): Use new operand implementation.
4265         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
4266         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
4267         type check.
4268         (op_iter_next_mustdef, op_iter_next_maydef,
4269         op_iter_next_must_and_may_def): Delete. Replace with...
4270         (op_iter_next_maymustdef): New.  Combine must and may next operations.
4271         (op_iter_init_maydef, op_iter_init_mustdef,
4272         op_iter_init_must_and_may_def): Use new interface.
4273         (single_ssa_tree_operand ): New.  Process single operands only as trees.
4274         (single_ssa_use_operand): New.  Process single operands only as uses.
4275         (single_ssa_def_operand): New.  Process single operands only as defs.
4276         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
4277         specified types.
4278         (num_ssa_operands): New.  Count the number of specified operands.
4279         (compare_ssa_operands_equal): New.  Compare two statements' operands.
4280         (single_phi_def): New.  Return true if PHI has one def of the specified
4281         operand type.
4282         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
4283         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
4284         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
4285         (struct stmt_ann_d): Operands field no longer require GTY().
4286         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
4287         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
4288         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
4289         dump_replaceable_exprs, rewrite_trees): Use generic interface.
4290         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
4291         Use use_operand_p instead of ssa_imm_use_t *.
4292         * tree-pretty-print.c (dump_vops): check if operands are active before
4293         dumping virtual operands.
4294         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
4295         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
4296         (ccp_fold): Use new interface.
4297         (ccp_visit_stmt): Remove unused variables and code.
4298         (convert_to_gimple_builtin): Insert statements before calling
4299         mark_new_vars_to_rename.
4300         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
4301         (copy_prop_visit_cond_stmt): Use generic interface.
4302         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
4303         annotation in table.
4304         (thread_across_edge): Use generic interface.
4305         (initialize_hash_element): Initialzie with stmt, not annotation.
4306         (eliminate_redundant_computations): Use generic interface.
4307         (record_equivalences_from_stmt): Pass stmt, not annotation.
4308         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
4309         interface.
4310         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
4311         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
4312         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
4313         generic operand interface.
4314         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
4315         interface.
4316         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
4317         Interface.
4318         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
4319         (build_defs, build_uses, build_v_may_defs, build_vuses,
4320         build_v_must_defs): Change type to struct opbuild_list_d.
4321         (ops_active): New.  Operands active boolean.
4322         (operand_memory, operand_memory_index): New.  Operand memory managers.
4323         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
4324         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
4325         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
4326         Change from functions to static variable list heads.
4327         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
4328         (opbuild_initialize_real): New.  Initialize a virtual build list.
4329         (opbuild_free): New.  Free a build list.
4330         (opbuild_num_elems): New.  Number of items in a list.
4331         (opbuild_append_real): New.  Add a real (tree *) operand.
4332         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
4333         (opbuild_first): New.  Return first element index in a list.
4334         (opbuild_next): New.  Return next element in a list.
4335         (opbuild_elem_real): New.  Return real element.
4336         (opbuild_elem_virtual): New.  Return virtual element.
4337         (opbuild_elem_uid): New.  Return UID of virtual element.
4338         (opbuild_clear): New.  Reset an operand list.
4339         (opbuild_remove_elem): New.  Remove an element form a list.
4340         (ssa_operands_active): New.  Return true if operand cache is active.
4341         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
4342         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
4343         (correct_use_link): Use use_operand_p.
4344         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
4345         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
4346         (cleanup_v_may_defs): Use new implmentation.
4347         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
4348         implementation.
4349         (append_def, append_use, append_v_may_def, append_vuse,
4350         append_v_must_def): Call opbuild_append routine instead of using varray.
4351         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
4352         global parse_old_ops variable.
4353         (free_ssa_operands): New implementation.
4354         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
4355         (copy_virtual_operands): Move. New generic implementation.
4356         (create_ssa_artficial_load_stmt): Move. New implementation.
4357         (swap_tree_operands): Update for new implementation.
4358         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
4359         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
4360         rather than a varray.
4361         (verify_imm_links): Use use_operand_p.
4362         (dump_immediate_uses_for): If the immediate use variable is a virtual
4363         variable, show the virtual ops in the stmt.
4364         * tree-ssa-operands.h (def_operand_p): No longer a structure.
4365         (NULL_DEF_OPERAND_P): Now a #define.
4366         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
4367         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
4368         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
4369         mustdef_optype_d): New.  Use Linked list representation.
4370         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
4371         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
4372         (struct stmt_operands_d): Change to new pointers that are not GTY.
4373         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
4374         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
4375         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
4376         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
4377         SET_V_MUST_DEF_KILL): Delete.
4378         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
4379         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
4380         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
4381         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
4382         (enum ssa_op_iter_type): Operand iterator typechecking values.
4383         (struct ssa_operand_iterator_d): Use linked lists of operands.
4384         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
4385         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
4386         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
4387         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
4388         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
4389         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
4390         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
4391         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
4392         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
4393         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
4394         alloc_vuse, and alloc_mustdef.
4395         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
4396         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4397         and finalize_ssa_v_must_def_ops.
4398         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
4399         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
4400         stmt around.
4401         (compute_avail): Use generic iterator interface.
4402         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
4403         (stmt_makes_single_load, stmt_makes_single_store): Use
4404         ZERO_SSA_OPERANDS.
4405         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
4406         (statement_sink_location): Use generic interface.
4407         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
4408         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
4409         reset the immediate use link nodes.
4410         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
4411         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
4412         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
4413         (eliminate_tail_call): Use generic operand interface.
4414         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
4415         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
4416         interface.
4417         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
4418         interface.
4419         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
4420         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
4421         vuse_optype.
4422         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
4423         Use statement pointer instead of vuse_optype.  Use generic interface.
4424         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
4425         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
4426         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
4427         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
4428         * doc/tree-ssa.texi: Update documentation for operand interface.
4429
4430 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
4431
4432         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
4433         gcc_unreachable as appropriate.
4434         (machopic_function_base_name, machopic_indirect_data_reference,
4435         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
4436         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
4437         * config/rs6000/altivec.md (*mov<mode>_internal,
4438         build_vector_mask_for_load): Likewise.
4439         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
4440         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
4441         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
4442         * config/rs6000/predicates.md (easy_fp_constant,
4443         logical_operand): Likewise.
4444         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
4445         compute_save_world_info, rs6000_emit_prologue,
4446         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
4447         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
4448         directly.
4449
4450 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
4451
4452         PR middle-end/21282
4453         * convert.c (convert_to_integer): Convert ceil and floor in
4454         c99 mode only.
4455
4456 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
4457
4458         PR target/20813
4459         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
4460         define_insn_and_split.  Split only when memory operand is
4461         offsettable.  Use adjust_address rather than plus_constant.
4462         (floatunssidf2_internal): Likewise.
4463         (fix_truncdfsi2_internal): Split only when memory operand is
4464         offsettable.  Use adjust_address rather than plus_constant.
4465         (fix_trunctfsi2_internal): Likewise.
4466         (floatsidf2_internal): Likewise.
4467
4468 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
4469
4470         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
4471         (set_value_range_to_null): Likewise.
4472         (set_value_range_to_varying): New function.  Use it in all
4473         call sites that used to call set_value_range (vr, VR_VARYING, ...).
4474         (extract_range_from_assert): If the integral type has a
4475         super-type, and LIMIT is not within MIN and MAX values of that
4476         type, set the resulting range to VR_VARYING.
4477
4478 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
4479
4480         * config/mmix/mmix.opt: New file.
4481         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
4482         (mmix_cc1_ignored_option): Don't declare.
4483         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
4484         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
4485         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
4486         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
4487         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
4488         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
4489         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
4490         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
4491         Don't define.
4492         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
4493         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
4494         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4495
4496 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
4497
4498         PR c/15698
4499         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
4500         * c-decl.c (current_function_prototype_built_in,
4501         current_function_prototype_arg_types): New.
4502         (merge_decls): Keep source location of prototype followed by
4503         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
4504         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
4505         (start_function): Always set current_function_prototype_locus,
4506         current_function_prototype_built_in and
4507         current_function_prototype_arg_types.  Check for external
4508         prototype whether or not visible for external function and set
4509         current_function_prototype_arg_types accordingly.
4510         (store_parm_decls_oldstyle): Use
4511         current_function_prototype_arg_types for checking old-style
4512         definition against prototype.  Give warnings only if
4513         current_function_prototype_built_in).
4514
4515 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
4516
4517         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
4518         (ggc_alloc_zone_stat): Don't define.
4519         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
4520         ggc_alloc_zone_pass_stat.
4521         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
4522         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
4523         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
4524
4525 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
4526
4527         * calls.c (expand_call): Handle current_function_pretend_args_size
4528         when checking for sibcalls.
4529
4530 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4531
4532         PR tree-optimization/21294
4533         * tree-vrp.c (vrp_expr_computes_nonzero): New.
4534         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
4535
4536 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
4537
4538         PR 19985
4539         * gcov-io.h: Declare gcov external functions hidden.
4540
4541 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4542
4543         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
4544         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
4545         Use VEC instead of VARRAY.
4546         (equiv_free): New.
4547
4548         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
4549         out common code.
4550
4551 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
4552
4553         * c-common.c (resolve_overloaded_builtin): Forward to target
4554         hook for BUILT_IN_MD built-ins.
4555         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
4556         for all types of built-in.
4557         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
4558         in the definition of the target hooks struct.
4559         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
4560         * config/rs6000/altivec.h: Rewritten.
4561         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
4562         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
4563         rs6000_builtin_type, rs6000_builtin_type_compatible,
4564         altivec_overloaded_builtins, rs6000_builtin_type,
4565         rs6000_builtin_type_compatible): New.
4566         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
4567         New.
4568         (def_builtin): Turn into a function.  Check for duplicates and store
4569         the builtin into rs6000_builtin_decls.
4570         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
4571         bdesc_1arg): Add overloaded builtins.
4572         (altivec_expand_builtin): Check for unresolved overloaded builtins,
4573         do not support ALTIVEC_COMPILETIME_ERROR.
4574         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
4575         nodes to represent front-end types.
4576         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
4577         with opaque arguments and/or return values.
4578         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
4579         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
4580         (rs6000_builtin_type_index): New.
4581         (is_ev64_opaque_type): Rename to...
4582         (rs6000_is_opaque_type): ... this.
4583         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
4584         target hook.
4585
4586 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4587
4588         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
4589         instead of VARRAY.
4590
4591 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4592             Bernd Schmidt  <bernd.schmidt@analog.com>
4593
4594         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
4595         print_address_operand, print_operand, legitimize_pic_address,
4596         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
4597         output_pop_multiple): Use gcc_assert or gcc_unreachable as
4598         appropriate.
4599         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
4600
4601 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
4602
4603         * doc/passes.texi: Document vectorization pass.
4604
4605 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4606
4607         * tree-scalar-evolution.c (get_exit_conditions_rec,
4608         select_loops_exit_conditions,
4609         number_of_iterations_for_all_loops,
4610         analyze_scalar_evolution_for_all_loop_phi_nodes,
4611         scev_analysis): Use VEC instead of VARRAY.
4612
4613 2005-05-02  Michael Matz  <matz@suse.de>
4614
4615         PR c++/19542
4616         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
4617         (warn_strict_null_sentinel): Define.
4618         (check_function_sentinel): Check for null_node as valid sentinel too.
4619         * c-common.h (c_tree_index): Added CTI_NULL.
4620         (null_node) Define global_tree[CTI_NULL].
4621         (warn_strict_null_sentinel): Declare.
4622         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
4623         * c.opt: (Wstrict-null-sentinel): New C++ option.
4624         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
4625
4626 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
4627
4628         * gimplify.c (gimplify_compound_lval): Use VEC instead of
4629         VARRAY.
4630
4631         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
4632
4633         * dwarf2out.c (decl_scope_table, push_decl_scope,
4634         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
4635         instead of VARRAY.
4636
4637 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
4638
4639         PR C++/14391
4640         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
4641         if !flag_weak.
4642         * doc/cpp.texi (__DEPRECATED): Document.
4643         (__EXCEPTIONS): Likewise.
4644         (__GXX_WEAK__): Likewise.
4645
4646         * function.c (INVOKE__main): Do not define.
4647         (expand_main_function): Check HAS_INIT_SECTION when determining
4648         whether or not to call __main.
4649
4650 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
4651
4652         * tree-ssa-loop-ivopts.c: Fix a comment typo.
4653
4654 2005-01-05  Paul Brook  <paul@codesourcery.com>
4655
4656         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
4657         (INITIALIZE_TRAMPOLINE): Use it.
4658         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
4659         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
4660         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
4661
4662 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
4663
4664         * doc/install.texi (Specific): Omit dots in the @anchors names
4665         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
4666         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
4667
4668 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
4669
4670         PR tree-optimization/18316
4671         PR tree-optimization/19126
4672         * tree.c (build_int_cst_type): Avoid shift by size of type.
4673         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
4674         argument.
4675         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4676         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
4677         field.
4678         (dump_cand): Dump depends_on information.
4679         (determine_biv_step): Add argument to simple_iv call.
4680         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
4681         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
4682         constant.
4683         (add_candidate_1): Record depends_on for candidates.
4684         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
4685         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
4686         Handle ivs with nonconstant step.
4687         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
4688         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
4689         (create_new_iv): Unshare the step before passing it to create_iv.
4690         (free_loop_data): Free cand->depends_on.
4691         (build_addr_strip_iref): New function.
4692         (find_interesting_uses_address): Use build_addr_strip_iref.
4693         (strip_offset_1): Split the recursive part from strip_offset.
4694         Strip constant offset component_refs and array_refs.
4695         (strip_offset): Split the recursive part to strip_offset_1.
4696         (add_address_candidates): Removed.
4697         (add_derived_ivs_candidates): Do not use add_address_candidates.
4698         (add_iv_value_candidates): Add candidates with stripped constant
4699         offset.  Consider all candidates with initial value 0 important.
4700         (struct affine_tree_combination): New.
4701         (aff_combination_const, aff_combination_elt, aff_combination_scale,
4702         aff_combination_add_elt, aff_combination_add,
4703         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
4704         fold_affine_sum): New functions.
4705         (get_computation_at): Use fold_affine_sum.
4706         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
4707         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
4708         to simple_iv call.
4709
4710 2005-04-30  Michael Matz  <matz@suse.de>
4711
4712         * config/i386/i386.md (movmemsi): Also active when
4713         TARGET_INLINE_ALL_STRINGOPS.
4714
4715 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
4716
4717         PR bootstrap/20633
4718         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
4719
4720 2005-04-30  Paul Brook  <paul@codesourcery.com>
4721
4722         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
4723         thumb mode.
4724         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
4725         * config/arm/ieee754-sf.S: Ditto.
4726         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
4727         (FUNC_ALIAS): Use .thumb_set for thumb routines.
4728
4729 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4730
4731         * tree-ssanames.c: Fix a comment typo.
4732         * doc/options.texi: Fix a typo.
4733
4734 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
4735
4736         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
4737         gcc_unreachable as appropriate.
4738         (split_adds_subs, cond_string, print_operand,
4739         h8300_initial_elimination_offset, h8300_classify_operand,
4740         h8300_unary_length, h8300_short_immediate_length,
4741         h8300_bitfield_length, h8300_binary_length,
4742         h8300_insn_length_from_table, compute_mov_length, output_plussi,
4743         compute_plussi_length, compute_plussi_cc, output_logical_op,
4744         compute_logical_op_length, compute_logical_op_cc,
4745         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
4746         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
4747         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
4748         h8300_regs_ok_for_stm): Likewise.
4749         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
4750         monitor_prologue): Likewise.
4751
4752 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4753
4754         * loop-invariant.c (invariants, create_new_invariant,
4755         get_inv_cost, best_gain_for_invariant,
4756         find_invariants_to_move, move_invariants,
4757         init_inv_motion_data, free_inv_motion_data): Use VEC instead
4758         of VARRAY.
4759
4760 2005-04-29  Richard Henderson  <rth@redhat.com>
4761
4762         * function.c (instantiate_decls): Remove valid_only argument.
4763         (instantiate_decls_1, instantiate_decl): Likewise.
4764         (instantiate_virtual_regs_1): Delete.
4765         (instantiate_virtual_regs_lossage): Delete.
4766         (instantiate_virtual_regs_in_rtx): New.
4767         (safe_insn_predicate): New.
4768         (instantiate_virtual_regs_in_insn): New.
4769         (instantiate_virtual_regs): Update to match all that.  Only run
4770         instantiate_decls once.
4771
4772 2005-04-29  Richard Henderson  <rth@redhat.com>
4773             Daniel Jacobowitz  <dan@codesourcery.com>
4774
4775         * gengtype.c (write_func_for_structure): Split out ...
4776         (output_type_enum): ... new function.  Fix thinko accessing
4777         TYPE_PARAM_STRUCT data.
4778
4779 2005-04-29  Tom Tromey  <tromey@redhat.com>
4780
4781         * tree.c (build_block): Removed unused 'tags' argument.
4782         * tree.h (build_block): Removed argument.
4783
4784 2005-04-29  Michael Matz  <matz@suse.de>
4785
4786         PR rtl-optimization/21144
4787         * postreload.c (reload_cse_move2add): Check for VOIDmode.
4788
4789 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
4790
4791         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
4792         flag_reorder_blocks.
4793
4794 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4795
4796         PR tree-optimization/21030
4797         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
4798         ranges where VR->MAX is smaller than VR->MIN.
4799
4800 2005-04-29  Devang Patel  <dpatel@apple.com>
4801
4802         PR tree-optimization/21272
4803         PR tree-optimization/21266
4804         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
4805
4806 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
4807
4808         * tree-flow-inline.h: Fix a comment typo.
4809         * doc/tree-ssa.texi: Fix a typo.
4810
4811         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
4812
4813 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4814
4815         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
4816         gcc_unreachable as appropriate.
4817         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
4818         fr30_print_operand, fr30_move_double): Likewise.
4819         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
4820
4821 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
4822
4823         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
4824         definition has already been provided.
4825         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4826         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
4827         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4828
4829 2005-04-29  Jim Tison  <jtison@us.ibm.com>
4830
4831         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
4832         trace hooks calls to improve performance.
4833
4834 2005-04-29  Julian Brown  <julian@codesourcery.com>
4835             Mark Mitchell  <mark@codesourcery.com>
4836             Paul Brook  <paul@codesourcery.com>
4837
4838         * crtstuff.c: Handle targets that use .init_array.
4839         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
4840         that INVOKE__main is set correctly.
4841         (expand_main_function): Test INVOKE__main.
4842         * libgcc2.c: Do not define __main when using .init_array.
4843         * config/arm/arm.c (arm_elf_asm_constructor): New function.
4844         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
4845         libgcc version.
4846         (DTORS_SECTION_ASM_OP): Likewise.
4847         (CTOR_LIST_BEGIN): Define specially when in libgcc.
4848         (CTOR_LIST_END): Likewise.
4849         (DTOR_LIST_BEGIN): Likewise.
4850         (DTOR_LIST_END): Likewise.
4851         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
4852         (FINI_SECTION_ASM_OP): Likewise.
4853         (INIT_ARRAY_SECTION_ASM_OP): Define.
4854         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4855         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
4856         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
4857         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
4858         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4859
4860 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4861
4862         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
4863         gcc_assert and gcc_unreachable as appropriate.
4864         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
4865         const_int_cost, output_move_const_into_data_reg,
4866         output_move_qimode, output_move_double, find_addr_reg,
4867         print_operand, print_operand_address): Likewise.
4868         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
4869         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
4870         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
4871         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
4872         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
4873         conditional_trap): Likewise.
4874         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
4875
4876 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4877
4878         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
4879         gcc_unreachable as appropriate.
4880         (gen_conditional_move, xtensa_split_operand_pair,
4881         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
4882         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
4883         xtensa_copy_incoming_a7, xtensa_output_literal,
4884         xtensa_output_literal, xtensa_output_literal): Likewise.
4885         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4886         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
4887         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
4888         movsicc_internal1, movsfcc_internal0,
4889         movsfcc_internal1): Likewise.
4890
4891 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4892
4893         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
4894         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
4895
4896 2005-04-28  DJ Delorie  <dj@redhat.com>
4897
4898         * opt-functions.awk (var_set): Emit proper initializer for
4899         non-target bitfields.
4900
4901 2005-04-28  Devang Patel  <dpatel@apple.com>
4902
4903         * dbxout.c (have_used_extensions): Remove.
4904         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
4905         have_used_extensions.
4906
4907 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4908
4909         * doc/install.texi: Update -enable-languages info.  Correct path to
4910         html docs.
4911
4912 2005-04-28  DJ Delorie  <dj@redhat.com>
4913
4914         * optc-gen.awk (END): Make sure no variable is defined more
4915         than once.
4916         * opth-gen.awk (END): Allocate bits on a per-variable basis.
4917         Allow for bitfield variables other than target_flags.
4918         * doc/options.text (Mask): Document that you may specify a
4919         variable other than target_flags.
4920
4921 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
4922
4923         PR rtl-optimization/18877
4924         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
4925         number in val.start.
4926
4927 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
4928
4929         PR target/20813
4930         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
4931         MASK_PPC_GFXOPT.
4932         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4933         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4934         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
4935
4936 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
4937
4938         * arm.c (legitimize_pic_address): Fix sense of assertion test for
4939         creating pseudos when the base offset is too large.
4940
4941 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4942
4943         * global.c (earlyclobber_regclass): Change the type to
4944         VEC(int,heap).
4945         (check_earlyclobber): Update uses of earlyclobber_regclass.
4946         (mark_reg_use_for_earlyclobber): Likewise.
4947         (calculate_local_reg_bb_info): Allocate and free
4948         earlyclobber_regclass using the VEC API.
4949
4950 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
4951
4952         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
4953         assert.
4954
4955 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4956
4957         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
4958         (*targetm.foo).
4959
4960         * config.gcc: Obsolete c4x-* and tic4x-*.
4961
4962         * tree.h (edge_def): Remove.
4963
4964         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
4965         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
4966         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
4967         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
4968         where appropriate.
4969
4970         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
4971         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
4972         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
4973         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
4974         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
4975         machmode.def, mips-tfile.c, params.c, pretty-print.c,
4976         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
4977         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
4978         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
4979         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
4980         config/i386/cygming.h, config/i386/djgpp.h,
4981         config/i386/lynx.h, config/i386/netware.c,
4982         config/i386/winnt.c, config/ia64/ia64-c.c,
4983         config/iq2000/iq2000.c, config/m32r/little.h,
4984         config/m68k/m68k-protos.h, config/m68k/m68k.h,
4985         config/m68k/m68k.md, config/mcore/mcore.c,
4986         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
4987         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
4988         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
4989         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
4990         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
4991         config/pdp11/pdp11.h, config/rs6000/darwin.h,
4992         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
4993         config/s390/2064.md, config/s390/2084.md,
4994         config/s390/s390-modes.def, config/s390/s390-protos.h,
4995         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
4996         config/stormy16/stormy16.c, config/vax/vax-protos.h,
4997         config/vax/vax.c, config/vax/vax.h,
4998         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
4999         copyright.
5000
5001 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
5002
5003         * c-typeck.c (build_compound_expr): Correct logic in last change.
5004
5005 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
5006
5007         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
5008         parameters.  Replace conditional move code with assert checking for
5009         ar.lc.  Delete obsolete comments.
5010         (set_src_needs_barrier): Delete cond parameter, and code using it.
5011         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
5012         assert checking for PR_REGS.  Fix calls to update_set_flags and
5013         set_src_needs_barrier.
5014         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
5015         callers.  Rewrite explanatory comment before the function.
5016         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
5017         Fix all callers.
5018
5019 2005-04-27  Mike Stump  <mrs@apple.com>
5020
5021         * doc/cpp.texi: gcc now implements universal character names.
5022
5023 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5024
5025         PR c/21159
5026         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
5027         being a compound expression whose right-hand side is cast to void.
5028
5029 2005-04-27  Caroline Tice  <ctice@apple.com>
5030
5031         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5032         Remove targetm.have_named_sections test.
5033         (fix_edges_for_rarely_executed_code): Likewise.
5034         (insert_section_boundary_note): Likewise.
5035         (reorder_basic_blocks): Check partitioning flag before calling
5036         verify_hot_cold_block_grouping.
5037         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5038         the function struct rather than global variables.
5039         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5040         (COLD_END_LABEL): Likewise
5041         (cold_text_section_label): New static global variable.
5042         (cold_end_label): Likewise.
5043         (dwarf2out_switch_text_section): Get hot/cold section labels from
5044         the function struct rather than global variables; test to make sure
5045         cfun is defined.
5046         (output_aranges): Use cold_text_section_label and cold_end_label;
5047         check partitioning flag before putting out delta.
5048         (output_ranges): Remove incorrect code attempting to use
5049         hot/cold labels.
5050         (output_line_info): Get cold section label from function struct; test
5051         to make sure cfun is defined.
5052         (add_location_or_const_value_attribute): Likewise.
5053         (dwarf2out_var_location): Likewise.
5054         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5055         write out cold_text_section_label if partition flag is set.
5056         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5057         * function.h (struct function): Add new fields to point to hot/cold
5058         section labels: hot_section_label, cold_section_label,
5059         hot_section_end_label and cold_section_end_label; also add new field
5060         for cold text section name, unlikely_text_section_name.
5061         * opts.c (decode_options): Turn off partitioning flag if
5062         !targetm.have_named_sections.
5063         * output.h (hot_section_label): Remove.
5064         (hot_section_end_label): Remove.
5065         (cold_section_end_label): Remove.
5066         (unlikely_section_label): Remove.
5067         (unlikely_text_section_name): Remove.
5068         * passes.c (rest_of_handle_final):  Remove extra blank line.
5069         * varasm.c (unlikely_section_label): Remove.
5070         (hot_section_label): Remove.
5071         (hot_section_end_label): Remove.
5072         (cold_section_end_label): Remove.
5073         (unlikely_text_section_name):  Remove.
5074         (initialize_cold_section_name): Modify to call
5075         targetm.strip_name_encoding; to store cold section name in current
5076         function struct, if it exists; and to only use the decl_section_name
5077         if flag_named_sections is true.
5078         (unlikely_text_section): Modify to get section name out of current
5079         function struct, if there is one; otherwise build it from
5080         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5081         (in_unlikely_text_section): Likewise.
5082         (named_section): Modify to get/put cold section name in current function
5083         struct, if there is one.
5084         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5085         targetm.have_named_sections before calling named_section.
5086         (current_function_section): Likewise.
5087         (assemble_start_function): Modify to get/put unlikely_text_section_name
5088         in current function struct; modify to get hot/cold section labels
5089         from function struct; initialize labels using
5090         ASM_GENERATE_INTERNAL_LABEL;
5091         test partitioning flag before writing out hot section label.
5092         (assemble_end_function): Test partitioning flag before writing out
5093         hot/cold section labels.
5094         (default_section_type_flags_1):  Get cold text section name from
5095         function struct if there is one; Set flags correctly for
5096         cold text section if there is not a current function struct.
5097
5098 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
5099
5100         * tree-ssa-propagate.c (set_rhs): Revert last change.
5101
5102 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
5103
5104         * explow.c (convert_memory_address): Add gcc_assert.
5105
5106 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
5107
5108         * configure.ac: Check for ld --sysroot support.
5109         * gcc.c: Document %R specifier for specs.
5110         (SYSROOT_SPEC): New macro.
5111         (sysroot_spec): New variable.
5112         (static_specs): Add sysroot_spec.
5113         (main): Pass the sysroot spec to the linker if appropriate.
5114         * configure: Regenerated.
5115         * config.in: Likewise.
5116
5117 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
5118
5119         * fold-const.c (fold_binary): Use build_fold_addr_expr
5120         for address calculation and INDIRECT_REF handling.
5121
5122 2005-04-27  Andrew Haley  <aph@redhat.com>
5123
5124         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
5125
5126 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5127
5128         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
5129         pointer when thumb backtracing is on.
5130
5131         * config/fp-bit.c (abort): Revert change.
5132
5133 2005-04-27  Ian Lance Taylor  <ian@airs.com>
5134
5135         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
5136
5137 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5138
5139         * tree-ssa-dce.c: Fix a comment typo.
5140
5141 2005-04-27  David S. Miller  <davem@davemloft.net>
5142
5143         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
5144         Kill setjmpless_size.  current_function_calls_setjmp is completely
5145         computed when we are called, so just use the optimized size value
5146         instead of using REG_SAVE_AREA notes.
5147         (optimize_save_area_alloca): Delete....
5148         * rtl.h (optimize_save_area_alloca): Likewise...
5149         * passes.c (rest_of_compilation): and don't call it any more.
5150         * reg-notes.def (SAVE_AREA): Delete.
5151
5152 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5153
5154         * config/fp-bit.c (abort): Add noreturn attribute.
5155
5156         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
5157         gcc_unreachable as appropriate.
5158         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
5159         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
5160         ASM_OUTPUT_REG_POP): Likewise.
5161
5162 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
5163
5164         * tree-complex.c (expand_vector_operations_1): Do not build
5165         VIEW_CONVERT_EXPR's for the lhs.
5166
5167 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5168
5169         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
5170         unnecessary noncanonical RTL handling.
5171         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
5172         gcc_assert and gcc_unreachable.
5173
5174         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
5175         gcc_unreachable as appropriate.
5176         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
5177         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
5178         use_return_insn, const_ok_for_op, arm_gen_constant,
5179         arm_canonicalize_comparison, legitimize_pic_address,
5180         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
5181         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
5182         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
5183         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
5184         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
5185         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
5186         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
5187         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
5188         output_call, output_mov_long_double_fpa_from_arm,
5189         output_mov_long_double_arm_from_fpa,
5190         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
5191         output_move_double, arithmetic_instr, shift_op, int_log2,
5192         output_return_instruction, arm_output_function_prologue,
5193         arm_output_epilogue, arm_output_function_epilogue,
5194         emit_multi_reg_push, arm_get_frame_offsets,
5195         arm_compute_initial_elimination_offset, arm_expand_prologue,
5196         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
5197         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
5198         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
5199         thumb_compute_initial_elimination_offset,
5200         thumb_output_function_prologue, thumb_load_double_from_address,
5201         thumb_output_move_mem_multiple, thumb_reload_out_hi,
5202         arm_emit_vector_const, arm_dbx_register_number): Likewise.
5203         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
5204         * config/arm/arm.md (thumb_extendhisi2,
5205         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
5206         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
5207         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
5208         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
5209         * config/arm/cirrus.md (*cirrus_arm_movdi,
5210         *cirrus_movdf_hard_insn): Likewise.
5211         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5212
5213 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5214
5215         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
5216         (num_ssa_names): Use VEC_length.
5217         (ssa_names): Use VEC_index.
5218         * tree-ssanames.c (ssa_names): Change the type to
5219         VEC(tree,gc).
5220         (init_ssanames, fini_ssa_names, make_ssanames,
5221         release_ssa_name): Update uses of ssa_names.
5222
5223         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
5224         Use fold_buildN instead of fold (buildN (...)).
5225
5226 2005-04-27  Devang Patel <dpatel@apple.com>
5227
5228         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
5229
5230 2005-04-27  Matt Thomas <matt@3am-software.com>
5231             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
5232
5233         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
5234         (vax_output_mi_thunk): Ditto.
5235         (vax_notice_cc_update): Ditto.
5236         (INDEX_REGISTER_P): Add trailing \.
5237         (BASE_REGISTER_P): Add trailing \.
5238         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
5239
5240 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
5241
5242         * tree-ssa-propagate.c (set_rhs): Check operand of
5243         ADDR_EXPR for gimpliness, too.
5244
5245 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5246
5247         * tree-ssa-pre.c: Fix a comment typo.
5248
5249 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
5250
5251         PR tree-optimization/21171
5252         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
5253         record address uses if the reference is volatile.
5254
5255 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
5256
5257         * tree-complex.c (expand_vector_operation): New, extracted from
5258         expand_vector_operations_1.
5259         (tree_vec_extract): Build a NOP_EXPR.
5260         (expand_vec_parallel): Do not care about returning the correct type.
5261         (expand_vector_operations_1): Call expand_vector_operation.
5262         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
5263
5264         * tree-complex.c (gate_expand_vector_operations): New.
5265         (pass_lower_vector_ssa): Use it.
5266         * tree-optimize.c (init_tree_optimization_passes): Include
5267         pass_lower_vector_ssa.
5268         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
5269         (vectorizable_operation): Use it.
5270         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
5271         integer modes for the vector type.
5272
5273         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
5274         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
5275         Do not cope with UNITS_PER_SIMD_WORD == 0.
5276         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
5277         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
5278         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
5279         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
5280         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
5281         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
5282         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
5283
5284         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
5285         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
5286         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
5287
5288         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
5289         (UNITS_PER_SIMD_WORD): New.
5290
5291 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5292
5293         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
5294         gcc_unreachable as appropriate.
5295         (ia64_expand_load_address, ia64_expand_tls_address,
5296         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
5297         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
5298         next_scratch_gr_reg, ia64_initial_elimination_offset,
5299         ia64_expand_prologue, ia64_expand_epilogue,
5300         ia64_output_dwarf_dtprel, ia64_print_operand,
5301         ia64_register_move_cost, first_instruction, rws_access_regno,
5302         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
5303         ia64_sched_init, ia64_variable_issue,
5304         ia64_first_cycle_multipass_dfs_lookahead_guard,
5305         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
5306         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
5307         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
5308         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
5309         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5310         * config/ia64/predicates.md (got_symbolic_operand,
5311         sdata_symbolic_operand): Likewise.
5312         * config/ia64/vect.md (vcondv2sf): Likewise.
5313
5314 2005-04-27  Matt Thomas <matt@3am-software.com>
5315
5316         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
5317         CONSTANT_ADDRESS_P in config/vax/vax.h
5318         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
5319         (INDEX_REGISTER_P): New.
5320         (BASE_REGISTER_P): New.
5321         (indirectable_constant_address_p): New.  Adapted from
5322         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
5323         (indirectable_address_p): New.  Adapted from
5324         INDIRECTABLE_ADDRESS_P in vax.h.
5325         (nonindexed_address_p): New.  Adapted from
5326         GO_IF_NONINDEXED_ADDRESS in vax.h.
5327         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
5328         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
5329         (legitimate_address_p): New.  Adapted from
5330         GO_IF_LEGITIMATE_ADDRESS in vax.h.
5331         (vax_mode_dependent_address_p): New.  Adapted from
5332         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
5333         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
5334         legitimate_constant_address_p.
5335         (CONSTANT_P): Use legitimate_constant_p.
5336         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
5337         (INDIRECTABLE_ADDRESS_P): Removed.
5338         (GO_IF_NONINDEXED_ADDRESS): Removed.
5339         (INDEX_TEMP_P): Removed.
5340         (GO_IF_REG_PLUS_INDEX): Removed.
5341         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
5342         definitions, depending on whether REG_OK_STRICT is defined.
5343         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
5344         Two definitions, depending on whether REG_OK_STRICT is defined.
5345         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
5346         added.
5347         (legitimate_constant_p): Prototype added.
5348         (legitimate_address_p): Prototype added.
5349         (vax_mode_dependent_address_p): Prototype added.
5350
5351 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5352
5353         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
5354
5355 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5356
5357         PR c/21213
5358         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
5359         transparent union.
5360
5361 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5362
5363         PR c/20740
5364         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
5365         assertion failures, if __gcc_host_wide_int__ is not properly
5366         defined.
5367         (init_dynamic_diag_info): Give errors, not assertion failures, if
5368         location_t, tree or __gcc_host_wide_int__ are not properly
5369         defined.
5370
5371 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5372
5373         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
5374         n_iv_uses, iv_use, n_iv_cands, iv_cand,
5375         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
5376         prepare_decl_rtl, free_loop_data,
5377         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
5378         VARRAY.
5379
5380         * tree.h (tree_phi_node): Add a comment about the order of PHI
5381         arguments.
5382
5383 2005-04-26  Paul Brook  <paul@codesourcery.com>
5384
5385         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
5386
5387 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
5388
5389         * config/mips.mips.c (mips_legitimize_tls_address): Use
5390         gcc_unreachable.
5391
5392         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
5393         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
5394         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
5395
5396         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
5397         'abort'.
5398
5399 2005-04-26  Jeff Law  <law@redhat.com>
5400
5401         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
5402         (op_iter_init_must_and_may_def): Likewise.
5403         (unmodifiable_var_p): Move to a later point in the file.
5404         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
5405         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
5406         (dse_record_phis): Directly check for virtual operands rather than
5407         using need_imm_uses_for.
5408         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
5409         store has multiple V_{MAY,MUST}_DEF operands.
5410
5411 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
5412
5413         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
5414         stmt.
5415
5416 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5417
5418         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
5419         call to find_edge outside a loop to go through a PHI chain.
5420
5421 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
5422
5423         PR tree-optimization/17598
5424         * fold-const.c (fold_binary): Fold comparisons of addresses
5425         of COMPONENT_REFs which reference the same field to
5426         comparisons of the addresses of the base objects.
5427
5428 2005-04-26  Julian Brown  <julian@codesourcery.com>
5429
5430         * config/arm/arm.c (arm_return_in_msb): New function.
5431         (arm_must_pass_in_stack): New function.
5432         (TARGET_RETURN_IN_MSB): Define target hook.
5433         (TARGET_MUST_PASS_IN_STACK): Define target hook.
5434         (arm_function_value): Pad small aggregate return.
5435         (arm_pad_arg_upward): New function.
5436         (arm_pad_reg_upward): New function.
5437         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
5438         (FUNCTION_ARG_PADDING): Define macro.
5439         (BLOCK_REG_PADDING): Define macro.
5440         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
5441         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
5442         (arm_pad_reg_upward): Declare function.
5443
5444 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5445
5446         * basic-block.h (ei_cond): New.
5447         (FOR_EACH_EDGE): Call ei_cond.
5448
5449         PR tree-optimization/21047
5450         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
5451         (fold): Don't handle ASSERT_EXPR.
5452
5453 2005-04-25  Roger Sayle  <roger@eyesopen.com>
5454
5455         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
5456         all writes to any stack register as a read/write dependency on
5457         FIRST_STACK_REG.
5458         (sched_analyze_2): Likewise, for reads from any stack register.
5459
5460 2005-04-25  Richard Henderson  <rth@redhat.com>
5461
5462         * final.c (output_addr_const): Revert 2005-04-09 change.
5463
5464 2005-04-25  Mike Stump  <mrs@apple.com>
5465
5466         * config/darwin.c (darwin_encode_section_info): Always set
5467         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
5468
5469 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5470
5471         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
5472         gensupport.c, protoize.c, toplev.c: Replace calls to
5473         `unlock_stream' with `unlock_std_streams'.
5474
5475 2005-04-25  Devang Patel <dpatel@apple.com>
5476
5477         * dbxout.c (dbxout_type): Emit attribute vector.
5478
5479 2005-04-05  Paul Brook  <paul@codesourcery.com>
5480
5481         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
5482         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
5483         * config/arm/arm.c (arm_cxx_atexit_name): New function.
5484         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
5485         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
5486         (register_dtor_fn): Likewise.
5487         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
5488
5489 2005-04-25  Ian Lance Taylor  <ian@airs.com>
5490
5491         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
5492         * c-common.h (EXPR_STMT_EXPR): Don't define.
5493         (c_common_stmt_codes): Don't define.
5494         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
5495         * c-gimplify.c (gimplify_expr_stmt): Remove.
5496         (c_gimplify_expr): Remove EXPR_STMT case.
5497         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
5498         to INIT_STATEMENT_CODES.
5499         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
5500
5501 2005-04-25  Jan Hubicka  <jh@suse.cz>
5502
5503         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
5504
5505         * except.c: Include diagnostic.h
5506         (dump_eh_tree, verify_eh_tree): New functions.
5507         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
5508         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
5509         (dump_function_to_file): dump eh tree.
5510         * tree-eh.c (mark_eh_edge): New function.
5511         (mark_eh_edge_found_error): New static variable.
5512         (verify_eh_edges): New function.
5513
5514 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
5515
5516         * tree-ssa-alias.c (fieldoff_t): Remove.
5517         (fieldoff_s): typedef the structure itself.  Create a vector of
5518         objects.
5519         (push_fields_onto_fieldstack): Return count of fields pushed.
5520         Remove peeling of first field.  Adjust.
5521         (fieldoff_compare): Adjust.
5522         (create_overlap_variables_for): Adjust.
5523
5524 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
5525
5526         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
5527
5528 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
5529
5530         PR bootstrap/21215
5531         * doc/install.texi: Document correct assembler and linker to use
5532         on i?86-*-solaris2.10.
5533
5534 2005-04-25  Steven Bosscher  <stevenb@suse.de>
5535
5536         Fix PR tree-optimization/21173
5537
5538         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
5539         Unshare expression we pass to force_gimple_operand.
5540
5541 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
5542             Stephen Clarke <stevec@superh.com>
5543             Roger Sayle <roger@eyesopen.com>
5544
5545         PR rtl-optimization/20413
5546         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
5547         VOIDmode for LABEL_REF.
5548         * final.c (shorten_branches): Likewise.
5549         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
5550         * loop.c (reg_dead_after_loop): Likewise.
5551         * varasm.c (decode_addr_const): Likewise.
5552         * doc/rtl.texi: Document mode requirement for LABEL_REF.
5553
5554 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
5555
5556         * config.gcc (avr-*-*): Remove redundant "case".
5557
5558 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
5559
5560         * tree-vect-analyze.c (vect_mark_relevant): Take
5561         VEC(tree,heap) instead of varray_type as an argument.
5562         (vect_mark_stmts_to_be_vectorized): Change the type of
5563         worklist to VEC(tree,heap).  Adjust uses of worklist.
5564
5565 2005-04-24  Devang Patel  <dpatel@apple.com>
5566
5567         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
5568
5569 2005-04-24  Ian Lance Taylor  <ian@airs.com>
5570
5571         * c-semantics.c (build_stmt): Remove test of specific tree codes
5572         for TREE_SIDE_EFFECTS handling.
5573
5574 2005-04-24  Per Bothner  <per@bothner.com>
5575
5576         * c-opts.c (finish_options):  Make the line-number of the <built-in>
5577         location 0, as assumed elsewhere, rather than 1.
5578
5579 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5580
5581         * tree-ssa-uncprop.c (equiv_stack): Change the type o
5582         VEC(tree,heap).
5583         (tree_ssa_uncprop, uncprop_finalize_block,
5584         uncprop_initialize_block): Update uses of equiv_stack.
5585
5586 2005-04-24  Richard Henderson  <rth@redhat.com>
5587
5588         PR rtl-opt/21163
5589         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
5590         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
5591         constm1_rtx.
5592         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
5593         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
5594         <DIV, MOD>: Likewise.
5595
5596 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5597
5598         * collect2.c (main): Unlock the stdio streams.
5599         * gcc.c (main): Likewise.
5600         * gcov-dump.c (main): Likewise.
5601         * gcov.c (main): Likewise.
5602         * gen-protos.c (main): Likewise.
5603         * gensupport.c (init_md_reader_args_cb): Likewise.
5604         * protoize.c (main): Likewise.
5605         * toplev.c (general_init): Likewise.
5606
5607 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
5608
5609         PR middle-end/20991
5610         * cgraph.h (cgraph_local_info): Add vtable_method field.
5611         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
5612         and node is vtable_method, finalized and not reachable, don't do
5613         anything.
5614
5615 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5616
5617         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
5618         COMPARISON_CLASS_P.
5619         * tree-ssa-pre.c (create_value_expr_from): Use
5620         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
5621         * tree-ssa-propagate.c (stmt_makes_single_load,
5622         stmt_makes_single_store): Use REFERENCE_CLASS_P.
5623         * tree-vect-transform.c (vect_is_simple_cond): Use
5624         COMPARISON_CLASS_P.
5625         * tree-vrp.c (extract_range_from_assert,
5626         build_assert_expr_for, fp_predicate, has_assert_expr): Use
5627         COMPARISON_CLASS_P.
5628
5629         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
5630         of tpa_to_clear to VEC(int,heap).  Update uses of
5631         tpa_to_clear.  Free tpa_to_clear at the end.
5632
5633 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
5634
5635         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
5636         function decl.
5637
5638 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
5639
5640         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
5641         and gcc_unreachable as appropriate.
5642         (num_insns_constant, output_vec_const_move,
5643         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
5644         rs6000_emit_set_const, rs6000_emit_move,
5645         spe_build_register_parallel, function_arg,
5646         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
5647         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
5648         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
5649         rs6000_common_init_builtins, expand_block_clear,
5650         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
5651         extract_ME, rs6000_get_some_local_dynamic_name,
5652         rs6000_output_function_entry, print_operand,
5653         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
5654         output_cbranch, output_e500_flip_gt_bit,
5655         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
5656         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
5657         compute_save_world_info, rs6000_stack_info,
5658         rs6000_emit_load_toc_table, rs6000_frame_related,
5659         spe_synthesize_frame_save, rs6000_emit_epilogue,
5660         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
5661         output_function_profiler, rs6000_trampoline_size,
5662         rs6000_initialize_trampoline, find_addr_reg,
5663         rs6000_machopic_legitimize_pic_address,
5664         rs6000_initial_elimination_offset,
5665         rs6000_dbx_register_number): Likewise.
5666         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
5667         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
5668         *movti_power, *movti_string, call, call_value, sibcall,
5669         sibcall_value): Likewise.
5670         * config/rs6000/spe.md (*movdf_e500_double,
5671         *movv2si_internal): Likewise.
5672         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
5673         from comment.
5674
5675 2005-04-24  Richard Henderson  <rth@redhat.com>
5676
5677         PR target/21101
5678         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
5679         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
5680         Deny modes smaller than 4 bytes.
5681         * config/i386/i386-protos.h: Update.
5682
5683 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
5684
5685         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
5686         Switch h8300-*-rtems* to ELF.
5687
5688 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5689
5690         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
5691
5692 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5693
5694         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
5695
5696 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
5697
5698         PR middle-end/21082
5699         * fold-const.c: Fold &a[i]-&a[j] to i-j.
5700
5701 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5702
5703         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
5704         definitions of ssa names in condition.  Split recusive part to ...
5705         (tree_simplify_using_condition_1): New function.
5706         (expand_simple_operations): New function.
5707
5708 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5709
5710         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
5711         (find_interesting_uses_cond): Do not use integer_zerop and
5712         integer_nonzerop to check for integer constants.
5713         (set_use_iv_cost): Record the value field.
5714         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
5715         determine_use_iv_cost_outer): Set the value field of the cost pair.
5716         (may_eliminate_iv): Do not return the comparison code.
5717         (iv_elimination_compare): New function.
5718         (determine_use_iv_cost_condition): Set the value field.  Record
5719         noneliminable invariants correctly.
5720         (rewrite_use_compare, rewrite_use_outer): Use the value field.
5721
5722 2005-04-23  DJ Delorie  <dj@redhat.com>
5723
5724         * diagnostic.c (warning): Accept parameter to classify warning option.
5725         (warning0): New, for when a pointer to an error() like function is needed.
5726         * errors.c (warning): Likewise.
5727         * errors.h (warning, warning0): Adjust prototypes.
5728         * toplev.h (warning, warning0): Likewise.
5729
5730         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
5731         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
5732         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
5733         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
5734         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
5735         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
5736         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
5737         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
5738
5739         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
5740         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
5741         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
5742         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
5743         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
5744         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
5745         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
5746         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
5747         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
5748         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
5749         config/rs6000/aix52.h, config/rs6000/darwin.h,
5750         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
5751         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5752         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
5753         config/stormy16/stormy16.c, config/v850/v850-c.c,
5754         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
5755         callers.
5756
5757 2005-04-23  Richard Henderson  <rth@redhat.com>
5758
5759         PR rtl-opt/21102
5760         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
5761         performing some integral scalar simplifications.
5762
5763 2005-04-23  Richard Henderson  <rth@redhat.com>
5764
5765         PR target/21099
5766         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
5767         simplifying CONST_VECTOR.
5768
5769 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5770
5771         * tree-ssa-live.c (live_worklist): Take a stack allocated on
5772         heap as an argument.  Update uses of stack.
5773         (calculate_live_on_entry): Allocate stack on heap.
5774
5775         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
5776         partition_link and tpa_nodes on heap.
5777
5778         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
5779         (mark_stmt_necessary, propagate_necessity,
5780         mark_really_necessary_kill_operand_phis): Update uses of
5781         worklist.
5782         (tree_dce_init): Allocate worklist using VEC_alloc.
5783         (tree_dce_done): Free worklist using VEC_free.
5784
5785 2005-04-23  Mike Stump  <mrs@apple.com>
5786
5787         * config/darwin.c (machopic_indirection_name): Don't use
5788         quotes needlessly.
5789         (darwin_emit_unwind_label): Use user_label_prefix instead of
5790         "_".
5791
5792 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5793
5794         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
5795
5796 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
5797
5798         * config.gcc <cris-*>: Specify .opt files.
5799         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
5800         config/cris/linux.opt: New files.
5801         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
5802         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5803         (TARGET_ELF): Override to 0.
5804         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
5805         -melinux-stacksize=N.
5806         * config/cris/cris.c: (cris_handle_option): New function.
5807         (TARGET_DEFAULT_TARGET_FLAGS): Override.
5808         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
5809         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
5810         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
5811         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
5812         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
5813         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
5814         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
5815         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
5816         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
5817         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
5818         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
5819         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
5820         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
5821         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
5822         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
5823         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
5824         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5825         (TARGET_LINUX): Define 0.
5826         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5827         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
5828         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
5829         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
5830         (TARGET_LINUX): Override to 1.
5831         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5832
5833 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5834
5835         * haifa-sched.c (schedule_block): Fix thinko in previous
5836         assertification patch.
5837
5838 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
5839
5840         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
5841         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
5842         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5843         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
5844         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
5845         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5846         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
5847         for hpux11.[1-9]*.
5848         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
5849         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
5850         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
5851         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
5852         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
5853         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
5854         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
5855         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
5856         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
5857         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
5858         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
5859         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
5860         (SUBTARGET_OPTIONS): Delete.
5861         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
5862         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
5863         instead of a string.
5864         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
5865         (pa_cpu_string, pa_unix_string): Delete.
5866         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
5867         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
5868         TARGET_HPUX_10_10.
5869         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5870         (pa_handle_option): New function.
5871         (override_options): Remove handling of -march=, -mfixed-range=,
5872         -mschedule= and -munix=.
5873         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
5874         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
5875         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
5876         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
5877         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
5878         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
5879         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
5880         redefining.
5881         * config/pa/pa.opt: New file.
5882         * config/pa/pa-hpux.opt: New file.
5883         * config/pa/pa-hpux1010.opt: New file.
5884         * config/pa/pa-hpux1111.opt: New file.
5885         * config/pa/pa64-hpux.opt: New file.
5886
5887 2005-04-22  David S. Miller  <davem@davemloft.net>
5888
5889         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
5890         integer when it's mode is VOIDmode not DImode.
5891
5892 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
5893
5894         * config/rs6000/rs6000.md (sync_add<mode>_internal,
5895         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
5896         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
5897         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
5898         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
5899         "bne- $-xxx" rather than local labels.
5900         (sync_lock_release<mode>): Add second operand.
5901         (lwsync): Use .long rather than a more meaningful opcode.
5902         * doc/md.texi (Standard Names): Add description of second
5903         parameter to sync_lock_test_and_set.
5904
5905 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5906
5907         PR tree-optimization/21088
5908         * fold-const.c (fold_unary, fold_binary, fold_ternary):
5909         Export.
5910         * tree-vrp.c (compare_values): Use fold_binary to compare
5911         pointers.  Use boolean_type_node as the type of a comparison
5912         expression being folded.
5913         * tree.h: Add prototypes for fold_unary, fold_binary,
5914         fold_ternary.
5915
5916         * tree-ssa-dom.c: Fix formatting.
5917
5918 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5919
5920         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
5921         * lambda-code.c (perfect_nestify): Mark virtual operands in
5922         the moved statement for renaming.
5923         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
5924         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5925         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
5926         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5927         * tree-flow.h (struct var_ann_d): Update comments.
5928         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
5929         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
5930         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
5931         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
5932         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
5933         debug_names_replaced_by): Remove declarations.
5934         (delete_update_ssa, get_current_def, set_current_def): Declare.
5935         (rewrite_into_loop_closed_ssa): Add new argument.  Update
5936         all callers.
5937         * tree-into-ssa.c: Include params.h.
5938         (old_virtual_ssa_names): Remove.  Update all users.
5939         (need_to_replace_names_p): Remove.  Update all users.
5940         (struct update_ssa_stats_d): Declare.
5941         (update_ssa_stats): New local.
5942         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
5943         dump_tree_ssa_stats, debug_tree_ssa_stats,
5944         dump_update_ssa, debug_update_ssa,
5945         dump_names_replaced_by, debug_names_replaced_by): Declare.
5946         (get_current_def, set current_def): Make extern.
5947         (is_old_name, is_new_name): Protect against references
5948         past the end of the sets.
5949         (add_new_name_mapping): Assert that OLD and NEW are
5950         different SSA names for the same symbol.
5951         When adding a virtual mapping, update stats for virtual
5952         mapping heuristic.
5953         (insert_phi_nodes_for): If UPDATE_P is true, create the
5954         LHS of the new PHI by duplicating SSA name VAR.
5955         (insert_phi_nodes_1): Remove.  Update all users.
5956         (insert_phi_nodes): Remove second argument.  Update all
5957         users.
5958         (maybe_replace_use, maybe_replace_def): New.
5959         (rewrite_update_stmt): Call them.
5960         (mark_def_interesting): Remove calls to is_gimple_reg.
5961         (prepare_phi_args_for_update): Remove.  Update all users.
5962         (prepare_block_for_update): Only process virtual operands
5963         and GIMPLE registers in normal form.
5964         (prepare_use_sites_for): New.
5965         (prepare_names_to_update): Rename from prepare_def_sites.
5966         Call prepare_use_sites_for.
5967         (dump_update_ssa): Rename from dump_repl_tbl.
5968         Update all users.
5969         Show statistics for virtual mapping heuristic.
5970         (debug_update_ssa): Rename from debug_debug_repl_tbl.
5971         (init_update_ssa): Initialize UPDATE_SSA_STATS.
5972         (delete_update_ssa): Make extern.
5973         (mark_set_for_renaming): If the set is empty, do nothing.
5974         (release_ssa_name_after_update_ssa): Update comment.
5975         (insert_updated_phi_nodes_for): Do not remove existing
5976         PHI nodes for symbols.
5977         (switch_virtuals_to_full_rewrite_p): New.
5978         (switch_virtuals_to_full_rewrite): New.
5979         (update_ssa): Call them.
5980         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
5981         for every statement before updating.
5982         If all the names in NEW_SSA_NAMES have been marked for
5983         removal, do nothing.
5984         Only start at the top of the CFG if there are symbols in
5985         SYMS_TO_RENAME.
5986         (ssa_rewrite_finalize_block): Remove.
5987         (ssa_register_new_def): Remove.
5988         (ssa_rewrite_stmt): Remove.
5989         (ssa_rewrite_phi_arguments): Remove.
5990         (ssa_rewrite_initialize_block): Remove.
5991         (ssa_mark_def_sites): Remove.
5992         (ssa_mark_def_sites_initialize_block): Remove.
5993         (ssa_mark_phi_uses): Remove.
5994         (rewrite_ssa_into_ssa): Remove.
5995         * tree-phinodes.c (find_phi_node_for): Remove.
5996         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5997         Call update_ssa.
5998         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
5999         Remove calls to verify_dominators and
6000         verify_loop_structure.
6001         (tree_unswitch_single_loop): Call update_ssa.
6002         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
6003         returns false.
6004         Call verify_stmts.
6005         (delete_tree_ssa): Assert that need_ssa_update_p returns
6006         false.
6007         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
6008         * tree-vectorizer.c (allocate_new_names, rename_def_op,
6009         free_new_names): Remove.  Update all users.
6010         (rename_use_op): Call get_current_def.
6011         (rename_variables_in_bb): Do not handle any real or
6012         virtual definition.
6013         (slpeel_update_phis_for_duplicate_loop): Call
6014         get_current_def and set_current_def instead of using
6015         SSA_NAME_AUX.
6016         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
6017         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
6018         ssa_names_to_replace and delete_update_ssa.
6019         * doc/invoke.texi: Document --param min-virtual-mappings
6020         and --param virtual-mappings-ratio.
6021
6022 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
6023
6024         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
6025         for newly created PHI nodes.
6026         Call create_new_def_for for every new V_MAY_DEF and
6027         V_MUST_DEF on the copied statement.
6028         (struct ssa_name_map_entry): Remove.
6029         (ssa_name_map_entry_hash): Remove.
6030         (ssa_name_map_entry_eq): Remove.
6031         (allocate_ssa_names): Remove.
6032         (rewrite_to_new_ssa_names_def): Remove.
6033         (rewrite_to_new_ssa_names_use): Remove.
6034         (rewrite_to_new_ssa_names_bb): Remove.
6035         (rewrite_to_new_ssa_names): Remove.
6036         (tree_duplicate_sese_region): Remove variables ver,
6037         definitions, phi, ssa_name_map and bi.
6038         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
6039         Call update_ssa.
6040         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6041         update_ssa instead of rewrite_ssa_into_ssa.
6042         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
6043         create_new_def_for.
6044         (find_uses_to_rename_use): Add argument 'need_phis'.
6045         (find_uses_to_rename_stmt): Do not scan virtual operands.
6046         (find_uses_to_rename): Only scan PHI nodes for
6047         non-virtual names.
6048         (rewrite_into_loop_closed_ssa): Call update_ssa.
6049         (check_loop_closed_ssa_use): Ignore virtual operands.
6050         (check_loop_closed_ssa_stmt): Likewise.
6051         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
6052         NULL.
6053         (rename_variables, set_phi_def_stmts): Remove.
6054         (tree_duplicate_loop_to_header_edge): Reformat comment.
6055         Remove variables BB, I and DEFINITIONS.
6056         Call need_ssa_update_p.
6057         Call update_ssa.
6058         (lv_adjust_loop_header_phi): Reformat comment.
6059         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
6060         (marked_for_rewrite_p, any_marked_for_rewrite_p,
6061         mark_for_rewrite, unmark_all_for_rewrite,
6062         marked_ssa_names): Remove.  Update all users.
6063         (release_ssa_name): If VAR has been registered for SSA
6064         updating, do nothing.
6065         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
6066         (build_assert_expr_for): Call register_new_name_mapping.
6067         (insert_range_assertions): Update call to update_ssa.
6068         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
6069         marked_for_rewrite_p, any_marked_for_rewrite_p,
6070         marked_ssa_names): Remove.
6071
6072 2005-04-22  Jeff Law  <law@redhat.com>
6073
6074         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
6075         (restore_currdefs_to_original_value): Likewise.
6076         (register_definitions_for_stmt): Likewise.
6077         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
6078         for each variable.  Do not allocate/free block_defs_stack either.
6079         Do not iterate if we just thread jumps.  Only iterate if the
6080         tree_cleanup_cfg does useful work (temporary).
6081         (dom_opt_initialize_block): No longer push a marker on
6082         BLOCK_DEFS_STACK.
6083         (dom_opt_finalize_block): Removal call to restore currdefs.
6084         Relax restrictions for recording edge equivalences.
6085         (record_equivalences_from_phis): No longer need to track
6086         CURRENT_DEF.
6087         (optimize_stmt): Similarly.
6088         (thread_across_edge): Simplify by removing the requirement that
6089         statements in the block we are threading through must be nops.
6090         (initialize_hash_element): Handle GOTO_EXPR.
6091
6092 2005-04-22  David S. Miller  <davem@davemloft.net>
6093
6094         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
6095         CONST_DOUBLE_HIGH.
6096         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
6097         fix check on CONST_DOUBLE mode.  It should be VOIDmode
6098         when it is representing an integer.
6099
6100 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6101
6102         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
6103         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
6104         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
6105         find_char_info_specifier_index,
6106         find_length_info_modifier_index): Likewise.
6107         * c-typeck.c (composite_type, pop_init_level): Likewise.
6108         * combine.c (cant_combine_insn_p, try_combine): Likewise.
6109         * cse.c (cse_insn): Likewise
6110         * dominance.c (calc_dfs_tree): Likewise
6111         dwarf2out.c (loc_descriptor_from_tree_1,
6112         add_abstract_origin_attribute, force_decl_die,
6113         force_type_die): Likewise
6114         emit-rtl.c (operand_subword_force): Likewise
6115         explow.c (hard_function_value): Likewise
6116         expmed.c (store_bit_field, expand_divmod,
6117         emit_store_flag_force): Likewise
6118         expr.c (emit_move_multi_word, store_expr,
6119         expand_expr_real_1): Likewise
6120         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
6121         output_operand): Likewise
6122         flow.c (recompute_reg_usage): Likewise
6123         * function.c (assign_stack_temp_for_type, assign_temp,
6124         handle_epilogue_set): Likewise
6125         * genextract.c (main): Likewise
6126         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
6127         gimplify_modify_expr_rhs, gimplify_expr): Likewise
6128         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
6129         ready_remove, rm_line_notes, rm_other_notes,
6130         schedule_block): Likewise
6131         mips-tfile.c (copy_object, out_of_bounds): Likewise
6132
6133 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
6134
6135         PR target/20813
6136         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
6137         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
6138         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
6139         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
6140         TARGET_XL_COMPAT.
6141         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
6142
6143 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6144
6145         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
6146         (gcc_tree_to_linear_expression): Convert to heap allocated
6147         vectors.
6148         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
6149         lbv_to_gcc_expression, lle_to_gcc_expression,
6150         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
6151         perfect_nestify): Likewise.
6152         lambda.h (gcc_loopnest_to_lambda_loopnest,
6153         lambda_loopnest_to_gcc_loopnest): Likewise.
6154         tree-loop-linear.c (linear_transform_loops): Likewise.
6155
6156 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
6157
6158         * config/sparc/predicates.md (arith_double_operand): Use
6159         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
6160         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
6161         (DImode, DFmode constant splitters): Likewise.  Remove code for
6162         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
6163         (logical constant splitters): Use const_int_operand predicate.
6164         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
6165         HOST_BITS_PER_WIDE_INT < 64.
6166
6167 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6168
6169         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
6170         gcc_unreachable as appropriate.
6171         (force_mode, emit_move_sequence, singlemove_string,
6172         output_move_double, output_fp_move_double, find_addr_reg,
6173         output_block_move, output_block_clear, output_and,
6174         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
6175         pa_adjust_cost, pa_issue_rate, print_operand,
6176         output_global_address, output_arg_descriptor, output_cbranch,
6177         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
6178         output_call): Likewise.
6179         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
6180         prefetch, prefetch_cc, prefetch_nocc): Likewise.
6181
6182 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
6183
6184         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
6185         _gcov_pow2_profiler and _gcov_one_value_profiler.
6186         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
6187         (GTFILES): Add $(srcdir)/tree-profile.c.
6188         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
6189         __gcov_one_value_profiler): Declare.
6190         * gimplify.c (force_gimple_operand): Check whether the statements
6191         should be produced in ssa form.
6192         (force_gimple_operand_bsi): New function.
6193         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
6194         __gcov_one_value_profiler): New functions.
6195         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
6196         the profiled value is a power of two or not.
6197         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
6198         * tree-flow.h (in_ssa_p): Declare.
6199         (force_gimple_operand_bsi): Declare.
6200         * tree-into-ssa.c (in_ssa_p): New variable.
6201         (rewrite_into_ssa): Set in_ssa_p.
6202         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
6203         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
6204         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
6205         tree_one_value_profiler_fn): New variables.
6206         (tree_init_edge_profiler): Initialize the profiler function decls.
6207         (tree_gen_edge_profiler): Use global gcov_type_node.
6208         (prepare_instrumented_value): New function.
6209         (tree_gen_interval_profiler, tree_gen_interval_profiler,
6210         tree_gen_one_value_profiler): Call the library functions instead of
6211         creating instrumentation code.
6212         * tree.c (build_fn_decl): New function.
6213         * tree.h (build_fn_decl): Declare.
6214         * value-prof.c (rtl_divmod_values_to_profile,
6215         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
6216         tree_mod_pow2_value_transform, tree_find_values_to_profile):
6217         Do not handle may_be_other and precise values of exponents at pow2
6218         profiler.
6219         (tree_mod_subtract_transform): Reflect that value field of
6220         histogram has changed meaning.
6221         (tree_divmod_values_to_profile): Record the values correctly.
6222         (tree_values_to_profile): Update comment.
6223         * value-prof.h (struct histogram_value_t): Remove pow2 data.
6224
6225 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
6226
6227         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
6228         (decl).
6229
6230 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6231
6232         * config/i386/i386.md (length_immediate): Use gcc_assert or
6233         gcc_unreachable, as appropriate.
6234         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
6235         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
6236         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
6237         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
6238         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
6239         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
6240         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
6241         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
6242         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
6243         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
6244         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
6245         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
6246         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
6247         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
6248         *prefetch_sse_rex): Likewise.
6249         * config/i386/predicates.md (x86_64_immediate_operand,
6250         x86_64_zext_immediate_operand, symbolic_operand,
6251         no_seg_address_operand, aligned_operand,
6252         memory_displacement_operand): Likewise.
6253         * config/i386/sse.md (*mov<mode>_internal,
6254         *movv2df_internal): Likewise.
6255
6256 2005-04-22  Jan Hubicka  <jh@suse.cz>
6257
6258         * Makefile.in (ipa.o, ipa-inline.o): New files.
6259         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
6260         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
6261         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
6262         * cgraphunit.c (cgraph_default_inline_p,
6263         cgraph_decide_inlining_incrementally,  ncalls_inlined,
6264         nfunctions_inlined, initial_insns, overall_insns,
6265         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
6266         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
6267         cgraph_mark_inline, cgraph_check_inline_limits,
6268         cgraph_default_inline_p, cgraph_recursive_inlining_p,
6269         update_callee_keys, lookup_recursive_calls,
6270         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
6271         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
6272         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
6273         pass_ipa_inline): Move to ipa-inline.c
6274         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
6275         * ipa.c: New file.
6276         * ipa-inline.c: New file.
6277
6278 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
6279
6280         * doc/invoke.texi (SPARC options): Document that -mapp-regs
6281         is turned off by default on Solaris.
6282
6283 2005-04-21  Roger Sayle  <roger@eyesopen.com>
6284
6285         * c-common.h (objc_build_method_signature): Update prototype.
6286         * stub-objc.c (objc_build_method_signature): Update the stub
6287         implementation to accept and ignore additional parameter.
6288         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
6289         the value of ellipsis to objc_build_method_signature instead
6290         of setting TREE_OVERFLOW on the parms TREE_LIST node.
6291
6292 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
6293
6294         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
6295         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
6296         gen_rtx_* not gen_rtx_fmt_*.
6297         (rs6000_emit_vector_select): Likewise.
6298         (rs6000_emit_sync): New.
6299         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
6300         (larx, stcx, cmp): New mode substitutions.
6301         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
6302         UNSPEC_ISYNC): New constants.
6303         (rlwinm): Give name.
6304         (memory_barrier, isync, lwsync): New insns.
6305         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
6306         (sync_lock_release<mode>): New expander.
6307         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
6308         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
6309         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
6310         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
6311         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
6312         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
6313         (sync_add<mode>_internal, sync_addshort_internal,
6314         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
6315         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
6316         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
6317
6318         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
6319         is the memory before, not after, the operation.  Clarify
6320         barrier requirements.
6321
6322 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6323
6324         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
6325         * lambda.h (lambda_vector_min_nz): Likewise.
6326         * langhooks.h (struct lang_hooks_for_types,
6327         struct lang_hooks): Likewise.
6328         * output.h (assemble_integer, this_is_asm_operands): Likewise.
6329         * tree.h: Likewise.
6330         * vec.h: Likewise.
6331         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
6332
6333         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
6334         comments to avoid 'abort'.  Use gcc_assert as necessary.
6335         * opts.c (common_handle_option): Likewise.
6336         * pretty-print.c (pp_base_format_text): Likewise.
6337         * print-rtl.c (print_rtx): Likewise.
6338         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
6339         * regmove.c (try_auto_increment): Likewise.
6340         * reload.c (find_valid_class, find_reloads_toplev,
6341         find_equiv_reg): Likewise.
6342         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
6343         merge_assigned_reloads): Likewise.
6344         * tree-inline.c (inline_forbidden_p_1,
6345         estimate_num_insns_1): Likewise.
6346         * tree-optimize.c (execute_todo): Likewise.
6347         * tree-outof-ssa.c (eliminate_phi): Likewise.
6348         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6349         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
6350         * tree-ssa-operands.c (parse_ssa_operands,
6351         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
6352         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
6353         * tree-ssanames.c (release_ssa_name): Likewise.
6354         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
6355         walk_tree): Likewise.
6356
6357         * tree-ssa-operands.c (verify_abort): Fold into ..
6358         (verify_imm_links): ... here.
6359
6360 2005-04-21  Richard Henderson  <rth@redhat.com>
6361
6362         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
6363         on non-memory operand for previous inversion.
6364
6365 2005-04-21  Devang Patel  <dpatel@apple.com>
6366
6367         PR optimization/20994
6368         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
6369         x = !(a == b) : p , q;.
6370         (pass_if_conversion): Verify stmts and flow.
6371
6372 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6373
6374         * optabs.c (gen_conditional_trap): Restore #define.
6375
6376         * alias.c (true_dependence): Remove 'abort' from comments. Use
6377         gcc_assert and gcc_unreachable as appropriate.
6378         (canon_true_dependence): Likewise.
6379         * bb-reorder.c (connect_traces): Likewise.
6380         * c-common.c (c_add_case_label): Likewise.
6381         * c-decl.c (finish_function): Likewise.
6382         * caller-save.c (insert_restore, insert_save): Likewise.
6383         * cfg.c (update_bb_profile_for_threading): Likewise.
6384         * cfganal.c (flow_active_insn_p): Likewise.
6385         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6386         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
6387         cfg_layout_merge_blocks): Likewise.
6388         * ifcvt.c (cond_exec_process_insns, merge_if_block,
6389         find_if_block): Likewise.
6390         * integrate.c (allocate_initial_values): Likewise.
6391         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
6392         swap_condition, unsigned_condition, signed_condition,
6393         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
6394         reg_or_subregno): Likewise.
6395         * lambda-code.c (lambda_compute_auxillary_space,
6396         lambda_transform_legal_p): Likewise.
6397         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
6398         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
6399         lhd_incomplete_type_error, lhd_expand_expr,
6400         lhd_types_compatible_p, lhd_tree_size): Likewise.
6401         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
6402         * local-alloc.c (update_equiv_regs): Likewise.
6403         * loop-unroll.c (peel_loop_completely
6404         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
6405         peel_loop_simple, unroll_loop_stupid,
6406         analyze_iv_to_split_insn): Likewise.
6407         * loop.c (gen_prefetch, find_and_verify_loops,
6408         basic_induction_var): Likewise.
6409         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
6410         * value-prof.c (tree_find_values_to_profile): Likewise.
6411         * varasm.c (named_section, default_assemble_integer,
6412         decode_addr_const): Likewise.
6413
6414 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
6415            Fariborz Jahanian <fjahanian@apple.com>
6416
6417         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
6418         portion of argument passed in fpr.
6419         * expr.c (emit_push_insn): Fix computation of 'offset' used to
6420         decide on partial argument save on stack.
6421
6422 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
6423
6424         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
6425         comment typos.
6426
6427 2005-04-21  Jan Hubicka  <jh@suse.cz>
6428
6429         * cgraphunit.c: Include tree-pass.h
6430         (cgraph_decide_recursive_inlining,
6431         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
6432         cgraph_decide_inlining): Dump goes to dump_file.
6433         (cgraph_optimize): Call ipa passes instead of inliner.
6434         (cgraph_gate_inlining, pass_ipa_inline): New.
6435         * tree-optimize.c (all_ipa_passes): New static variable.
6436         (register_one_dump_file): Dead with IPA passes.
6437         (register_dump_files): Likewise.
6438         (init_tree_optimization_passes): Initialize IPA passes.
6439         (execute_todo): Do cgraph dump when asked to, do not dump function body
6440         for IPA pass.
6441         * tree-pass.h (TODO_dump_cgraph): New macro.
6442         (ipa_passes): Declare.
6443         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
6444
6445 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6446
6447         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
6448         gcc_assert instead of abort.
6449         (classify_argument, examine_argument, construct_container,
6450         contains_128bit_aligned_vector_p, ix86_check_movabs,
6451         standard_80387_constant_opcode, standard_80387_constant_rtx,
6452         ix86_initial_elimination_offset, ix86_compute_frame_layout,
6453         pro_epilogue_adjust_stack, ix86_expand_epilogue,
6454         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
6455         legitimize_tls_address, output_pic_addr_const,
6456         i386_output_dwarf_dtprel, put_condition_code, print_reg,
6457         get_some_local_dynamic_name, print_operand, print_operand_address,
6458         output_387_binary_op, emit_i387_cw_initialization,
6459         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
6460         ix86_expand_clear, ix86_expand_binary_operator,
6461         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
6462         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
6463         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
6464         ix86_expand_branch, ix86_expand_setcc,
6465         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
6466         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
6467         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
6468         memory_address_length, ix86_attr_length_immediate_default,
6469         ix86_attr_length_address_default, ix86_agi_dependant,
6470         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
6471         ix86_expand_binop_builtin, ix86_force_to_memory,
6472         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
6473         x86_emit_floatuns): Likewise.
6474         * config/i386/netware.c (gen_regparm_prefix,
6475         i386_nlm_strip_name_encoding): Likewise.
6476         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
6477
6478 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6479
6480         * optabs.c (gen_condiational_trap): Remove #define.
6481         (add_equal_note): Assertify. Remove explicit indirection from
6482         call via function pointer.
6483         (expand_ternary_op, expand_simple_binop, expand_binop,
6484         expand_twoval_unop, expand_twoval_binop,
6485         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
6486         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
6487         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
6488         prepare_float_lib_cmp, emit_conditional_move,
6489         emit_conditional_add, gen_add2_insn, gen_add3_insn,
6490         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
6491         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
6492         vector_compare_rtx, expand_vec_cond_expr): Likewise.
6493
6494 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6495
6496         * vec.h: Update API to separate allocation mechanism from type.
6497         (VEC_safe_grow): New.
6498         * vec.c (calculate_allocation): New.
6499         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
6500         (vec_gc_free, vec_heap_free): Remove.
6501         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
6502         (VEC): Likewise.
6503         (mangle_macro_name): New.
6504         (struct macro_def): New.
6505         (struct macro): Add multiple argument values.
6506         (macro_expans_end): New.
6507         (push_macro_expansion):  Chain on new macro. Process multiple
6508         args, create follow on expansion. Return follow on argument.
6509         (macro_input): Deal with multiple arguments.
6510
6511         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
6512         (struct tree_binfo): Adjust.
6513         * basic-block.h: Define VEC(edge,gc).
6514         (struct edge_def): Adjust.
6515         (struct basic_block_def, struct edge_iterator): Likewise.
6516         (ei_container, ei_start_1, ei_last_1): Likewise.
6517         * cfg.c (connect_src, connect_dest): Likewise.
6518         * cfgrtl.c (force_nonfallthru_and_redirect)
6519         * dbxout.c (dbxout_type)
6520         * dwarf2out.c (gen_member_die)
6521         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
6522         (gcc_tree_to_linear_expression): Adjust.
6523         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
6524         lbv_to_gcc_expression, lle_to_gcc_expression,
6525         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
6526         perfect_nestify): Likewise.
6527         * lambda.h (gcc_loopnest_to_lambda_loopnest,
6528         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
6529         * profile.c (instrument_values): Adjust.
6530         * tree-cfg.c (modified_noreturn_calls): Adjust.
6531         (remove_fallthru_edge): Likewise.
6532         * tree-dump.c (dequeue_and_dump): Adjust.
6533         * tree-flow-inline.h (mark_stmt_modified): Adjust.
6534         * tree-flow.h (modified_noreturn_calls): Adjust.
6535         (tree_on_heap): Remove. (yay!)
6536         (register_new_def): Adjust.
6537         * tree-into-ssa.c: Define VEC(int,heap).
6538         (block_defs_stack): Adjust.
6539         (find_idf, insert_phi_nodes, register_new_def,
6540         rewrite_initialize_block, rewrite_finalize_block,
6541         register_new_update_single, rewrite_update_init_block,
6542         rewrite_update_fini_block, rewrite_blocks,
6543         ssa_rewrite_finalize_block, ssa_register_new_def,
6544         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
6545         * tree-loop-linear.c (linear_transform_loops): Adjust.
6546         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
6547         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
6548         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
6549         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
6550         vrp_variables_stack): Adjust declarations.
6551         (tree_ssa_dominator_optimize): Adjust.
6552         (dom_opt_initialize_block, remove_local_expressions_from_table,
6553         restore_nonzero_vars_to_original_value,
6554         restore_vars_to_original_value,
6555         restore_currdefs_to_original_value, dom_opt_finalize_block,
6556         record_var_is_nonzero, record_cond, record_const_or_copy_1,
6557         optimize_stmt, update_rhs_and_lookup_avail_expr,
6558         lookup_avail_expr, record_range): Likewise.
6559         * tree-ssa-pre.c: Define VEC(basic_block,heap).
6560         (compute_antic_aux): Adjust.
6561         (inserted_exprs, create_expression_by_pieces,
6562         insert_into_preds_of_block, eliminate, mark_operand_necessary,
6563         remove_dead_inserted_code, fini_pre): Likewise.
6564         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
6565         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
6566         ssa_prop_init): Likewise.
6567         * tree-ssa.c: Define VEC(bitmap,heap).
6568         (verify_name_tags): Adjust.
6569         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
6570         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
6571         tree_divmod_values_to_profile, tree_find_values_to_profile,
6572         value_profile_transformations): Likewise.
6573         * value-prof.h: Define VEC(histogram_value,heap).
6574         * varasm.c: Remove alias_pair pointer typedef, define
6575         VEC(alias_pair,gc).
6576         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
6577
6578         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
6579         not a pointer to it.  Create an object vector.
6580         (extern_symbols): Turn into an object vector.
6581         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
6582
6583 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
6584
6585         PR/20742
6586         * Makefile.in (tree-chrec.o): Depend on params.h.
6587         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
6588         default value 20.
6589         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
6590         and fold build with fold_buildN.
6591         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
6592         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6593         (tree_contains_chrecs): Compute an estimation of the size of the
6594         given expression.
6595         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
6596         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
6597         * tree-scalar-evolution.c (simple_iv): Ditto.
6598         * doc/invoke.texi (scev-max-expr-size): Documented.
6599
6600 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
6601
6602         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
6603         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
6604         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
6605         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
6606         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
6607         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
6608         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
6609         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
6610         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
6611         (darwin_fix_and_continue_switch): Delete.
6612         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
6613         (SUBTARGET_SWITCHES): Delete.
6614         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
6615         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
6616         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
6617         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
6618         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
6619         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
6620         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
6621         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
6622         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
6623         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
6624         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
6625         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
6626         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
6627         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
6628         (TARGET_64BIT): Undef before redefining.
6629         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
6630         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
6631         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
6632         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
6633         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
6634         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
6635         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
6636         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
6637         (ix86_debug_arg_string, ix86_debug_addr_string)
6638         (ix86_align_loops_string, ix86_align_jumps_string)
6639         (ix86_align_funcs_string): Delete.
6640         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
6641         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
6642         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
6643         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
6644         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
6645         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
6646         (SUBTARGET_SWITCHES): Delete.
6647         * config/i386/i386.c (ix86_debug_arg_string): Delete.
6648         (ix86_debug_addr_string): Delete.
6649         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
6650         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
6651         (ix86_align_loops_string, ix86_align_jumps_string)
6652         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
6653         (ix86_align_funcs_string): Make static.
6654         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6655         (ix86_handle_option): New function.
6656         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
6657         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
6658         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
6659         of darwin_fix_and_continue_switch.
6660         (darwin_one_byte_bool): Delete.
6661         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
6662         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
6663         to darwin_one_byte_bool.
6664         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
6665         * config/i386/djgpp.opt, config/i386/i386.opt,
6666         * config/i386/sco5.opt: New files.
6667
6668 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6669
6670         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
6671         fp_zero_operand, fp_register_operand, intreg_operand,
6672         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
6673         call_operand, call_operand_address, tgd_symbolic_operand,
6674         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
6675         symbolic_operand, symbolic_memory_operand, label_ref_operand,
6676         sp64_medium_pic_operand, data_segment_operand,
6677         text_segment_operand, splittable_symbolic_memory_operand,
6678         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
6679         eq_or_neq, normal_comp_operator, noov_compare_op,
6680         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
6681         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
6682         const64_operand, const64_high_operand, arith11_operand,
6683         arith10_operand, arith_double_operand, arith_double_4096_operand,
6684         arith_double_add_operand, arith11_double_operand,
6685         arith10_double_operand, small_int, small_int_or_double,
6686         uns_small_int, uns_arith_operand, clobbered_register,
6687         input_operand, compare_operand): Delete.
6688         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
6689         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
6690         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
6691         (GEN_HIGHINT64, GEN_INT64): Delete.
6692         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6693         gen_safe_XOR64): Adjust for above deletion.
6694         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
6695         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
6696         (legitimate_constant_p): Use const_zero_operand instead.
6697         (sparc_extra_constraint_check): Likewise.
6698         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
6699         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
6700         (PREDICATE_CODES): Delete.
6701         * config/sparc/sparc.md: Include predicates.md.
6702         (All patterns): Adjust for new predicate names.
6703         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
6704         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
6705         (movdi): Use general_operand predicate.
6706         (movdi_sp64_dbl): Delete.
6707         (movdi_const64_special): Add 'N' constraint.
6708         (movdicc): Use arith10_operand predicate.
6709         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
6710         (movdi_cc_reg_sp64): Use arith10_operand predicate.
6711         (movdi_cc_reg_sp64_trunc): Delete.
6712         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
6713         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
6714         (subdi3_sp32): Delete.
6715         (subdi3_insn_sp32): Change to define_insn_and_split.
6716         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
6717         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
6718         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
6719         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
6720         small_int_operand predicate.
6721         (divdi3, udivdi3): Use arith_operand predicate.
6722         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
6723         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
6724         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
6725         (xordi3_sp64_dbl): Delete.
6726         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
6727         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
6728         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
6729         cmp_ccx_set_not): Use arith_operand predicate.
6730         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
6731         * config/sparc/predicates.md: New file.
6732
6733 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
6734
6735         PR tree-optimization/14846
6736         * fold-const.c (fold_single_bit_test_into_sign_test): New,
6737         split out from ...
6738         (fold_single_bit_test): ... here.
6739         (fold_binary): Call fold_single_bit_test_into_sign_test
6740         instead of fold_single_bit_test.
6741
6742 2005-04-20  James E Wilson  <wilson@specifixinc.com>
6743
6744         PR c++/20805
6745         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
6746         is another declaration.
6747
6748 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
6749
6750         * config/cris/predicates.md: New file.
6751         * config/cris/cris-protos.h (cris_store_multiple_op_p)
6752         (cris_movem_load_rest_p): Declare.
6753         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
6754         (cris_movem_load_rest_p): Ditto.  Globalize.
6755         (cris_bdap_operand, cris_bdap_biap_operand,
6756         cris_orthogonal_operator, cris_commutative_orth_op,
6757         cris_operand_extend_operator,
6758         cris_additive_operand_extend_operator, cris_extend_operator,
6759         cris_plus_or_bound_operator, cris_mem_op,
6760         cris_general_operand_or_symbol,
6761         cris_general_operand_or_gotless_symbol,
6762         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
6763         cris_load_multiple_op): Remove predicate functions.
6764         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
6765         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
6766         * config/cris/cris.h (PREDICATE_CODES): Don't define.
6767         * config/cris/cris.md: Include predicates.md.
6768         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
6769
6770 2005-04-20  Ian Lance Taylor  <ian@airs.com>
6771
6772         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
6773         * c-common.h (STMT_EXPR_STMT): Don't define.
6774         (STMT_EXPR_NO_SCOPE): Don't define.
6775         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
6776         * c-pretty-print.c (pp_c_primary_expression): Likewise.
6777         (pp_c_expression): Likewise.
6778
6779 2005-04-20  Richard Henderson  <rth@redhat.com>
6780
6781         PR target/21100
6782         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
6783
6784 2005-04-20  Jeff Law  <law@redhat.com>
6785
6786         * reload1.c (reload): Ignore equivalences between pseudos and
6787         read only memory.
6788
6789 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
6790
6791         PR c/12913
6792         * c-tree.h (struct c_label_list): Update comment.
6793         (struct c_label_context): Rename to struct c_label_context_se.
6794         (label_context_stack): Rename to label_context_stack_se.
6795         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
6796         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
6797         c_end_vm_scope): New.
6798         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
6799         * c-decl.c (pop_scope): Call c_end_vm_scope.
6800         (pushdecl): Call c_begin_vm_scope for variably modified
6801         declarations.
6802         (define_label): Check for jumping into scope of identifier with
6803         variably modified type.  Push label on stack for those defined at
6804         current context of identifiers with variably modified type.
6805         (start_function): Create stack level for context of identifiers
6806         with variably modified type.
6807         (finish_function): Pop stack level for context of identifiers with
6808         variably modified type.
6809         * c-typeck.c (label_context_stack): Rename to
6810         label_context_stack_se.
6811         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
6812         (c_finish_goto_label): Check for jumping into scope of identifier
6813         with variably modified type.  Push label on stack for those jumped
6814         to from current context of identifiers with variably modified
6815         type.
6816         (struct c_switch): Add blocked_vm.
6817         (c_start_case): Initialize blocked_vm.
6818         (do_case): Check blocked_vm.
6819         (c_finish_case): Add comment.
6820         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
6821         variable label_context_stack.
6822
6823 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6824
6825         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
6826         conditional_replacement, value_replacement, abs_replacement,
6827         minmax_replacement.
6828         (replace_phi_edge_with_variable): Remove argument BB.
6829         (conditional_replacement, value_replacement,
6830         minmax_replacement, abs_replacement): Remove argument PHI_BB.
6831         Update a call to replace_phi_edge_with_variable.
6832
6833         * tree-ssa-phiopt.c: Fix comments.
6834
6835 2005-04-20  Michael Matz  <matz@suse.de>
6836
6837         PR20973
6838         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
6839         pseudos.
6840
6841 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6842
6843         * tree-ssa-phiopt.c: Fix comment typos.
6844
6845         PR tree-optimization/21116
6846         * tree-ssa-phiopt.c: Fix a typo.
6847
6848 2005-04-19  Richard Henderson  <rth@redhat.com>
6849
6850         * builtins.c (expand_builtin_sync_operation): Revert last change.
6851         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
6852         not vs new value.
6853         (expand_compare_and_swap_loop): Likewise.
6854         (expand_sync_operation): Remove fallback from NAND to AND; invert
6855         memory operand when expanding from cmpxchg.
6856         (expand_sync_fetch_operation): Likewise.
6857         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
6858         compare-and-swap.
6859
6860         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
6861         when implementing NAND.  Fix double-add for AFTER.
6862         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
6863         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6864         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
6865         memory value.
6866         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
6867         memory barrier.
6868
6869         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
6870         to return old memory value.
6871         (sync_compare_and_swap_cc<IMODE>): Likewise.
6872
6873         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
6874         return pre-reload.  Don't consider output or anti dependencies.
6875         * config/ia64/sync.md (IMODE): New.
6876         (modesuffix): Add QI and HI.
6877         (memory_barrier): Simplify expansion.
6878         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
6879         (cmpxchg_acq_<IMODE>): Likewise.
6880         (sync_lock_test_and_set<IMODE>): Likewise.
6881         (sync_lock_release<IMODE>): Likewise.
6882
6883 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6884
6885         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
6886         ~X or ~Y simplify.
6887
6888 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6889
6890         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
6891
6892 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
6893             Joseph S. Myers  <joseph@codesourcery.com>
6894
6895         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
6896         * c-typeck.c (build_c_cast): Check these options.
6897         * doc/invoke.texi: Document these options.
6898
6899 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6900
6901         * tree-ssa-phiopt.c: Update a comment about the pass.
6902
6903 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6904
6905         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
6906         config/mcore/mcore.c: Fix comment typos.
6907
6908 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
6909
6910         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
6911         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
6912
6913 2005-04-19  Paul Brook  <paul@codesourcery.com>
6914
6915         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
6916
6917 2005-04-19  Andrew Haley  <aph@redhat.com>
6918
6919         PR java/21022
6920         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
6921         looking at a field's bitpos.
6922
6923 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6924
6925         * system.h (fopen, fdopen, freopen): Define these to the unlocked
6926         libiberty functions.
6927
6928 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6929
6930         PR tree-optimization/21096
6931         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
6932
6933 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
6934
6935         PR target/21098
6936         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
6937         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
6938
6939 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
6940
6941         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
6942         refers to the function being dumped.
6943
6944 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
6945
6946         * varasm.c (assemble_start_function): Remove reset of in_section.
6947
6948 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6949
6950         PR tree-optimization/21085
6951         * fold-const (fold_binary): Don't change X % -C to X % C if C has
6952         overflowed.
6953
6954 2005-04-19  Ben Elliston  <bje@au.ibm.com>
6955
6956         * doc/invoke.texi (Optimize Options): Refer to the correct
6957         optimisation flag -ftree-dominator-opts, not -ftree-dom.
6958
6959 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
6960
6961         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
6962         alloca argument to be big enough.
6963
6964 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
6965
6966         PR middle-end/21049
6967         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
6968         cfun->cfg are NULL.
6969
6970 2005-04-18  Tom Tromey  <tromey@redhat.com>
6971
6972         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
6973         typo.
6974
6975 2005-04-18  Richard Henderson  <rth@redhat.com>
6976
6977         * config/alpha/alpha.c (alpha_split_atomic_op): New.
6978         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
6979         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
6980         * config/alpha/alpha-protos.h: Update.
6981         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
6982         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
6983         (attr type): Add ld_l, st_c, mb.
6984         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
6985         iornotsi3, xorsi_internal, xornotsi3): New.
6986         * config/alpha/ev4.md (ev4_ld): Add ld_l.
6987         (ev4_ist_c, ev4_mb): New.
6988         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
6989         (ev5_ld_l): New.
6990         * config/alpha/ev6.md (ev6_ild): Add ld_l.
6991         (ev6_ist): Add st_c.
6992         (ev6_mb): New.
6993         * config/alpha/sync.md: New file.
6994
6995 2005-04-18  Richard Henderson  <rth@redhat.com>
6996
6997         * builtins.c (expand_builtin_sync_operation): Fold nand to and
6998         for constants.
6999
7000         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
7001
7002 2005-04-18  Devang Patel  <dpatel@apple.com>
7003
7004         * config/rs6000/atlivec.md (mulv4si3): New pattern.
7005
7006 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
7007
7008         PR tree-optimization/20922
7009         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
7010         Fold X + c >= X and fold X - c <= X to true.
7011
7012 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
7013
7014         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
7015         unsigned int.
7016         (emergency_labeled_state_free): Likewise.
7017
7018 2005-04-18  Nick Clifton  <nickc@redhat.com>
7019
7020         * config/h8300/h8300.md (jump): Remove prescan parameter from
7021         calls to final_scan_insn.
7022
7023         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
7024         parameter from calls to final_scan_insn.
7025
7026         * config.gcc (m68hc12): Use the m68hc11.opt file for target
7027         specific options.
7028         (v850e, v850e1): Use the v850.opt file for target specific
7029         options.
7030
7031 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
7032
7033         PR tree-optimization/21001
7034         * tree-optimize.c (init_tree_optimization_passes): Move the
7035         first pass_forwprop immediately before pass_vrp.
7036
7037 2005-04-17  Ian Lance Taylor  <ian@airs.com>
7038
7039         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
7040         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
7041         from enum tree_code op to bool is_sizeof.
7042         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
7043         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
7044         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
7045         case.
7046         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
7047         cases.
7048         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
7049         ALIGNOF_EXPR cases.
7050
7051 2005-04-17  Ian Lance Taylor  <ian@airs.com>
7052
7053         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
7054
7055 2005-04-17  Richard Henderson  <rth@redhat.com>
7056
7057         * config/alpha/alpha.c (va_list_skip_additions): Only define if
7058         TARGET_ABI_OSF.
7059         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
7060         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
7061         of indirection through ssa names while looking for the gpr counter
7062         field.
7063         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
7064         saved va_list_gpr_size and va_list_fpr_size.
7065
7066 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7067
7068         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
7069         both pointers or both integers.
7070
7071         * tree-vrp.c (maybe_add_assert_expr): Don't assert
7072         ASSERT_EXPRs for single-use variable.
7073
7074         * tree-into-ssa.c: Fix a comment typo.
7075
7076 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
7077
7078         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
7079         -mipsN before forcing a default of -mips2.
7080
7081 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7082
7083         * predict.h (IS_TAKEN): Remove.
7084         * rtl.h (NOTE_PREDICTION): Likewise.
7085
7086         * modulo-sched.c (CFG_HOOKS): Remove.
7087
7088         * c-parser.c (N_C_TTYPES): Remove.
7089
7090         * tree-flow-inline.h (get_stmt_operands): Remove.
7091         * lambda-code.c, tree-ssa-loop-unswitch.c,
7092         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
7093         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
7094         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
7095         calls to get_stmt_operands.
7096         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
7097
7098 2005-04-17  Richard Henderson  <rth@redhat.com>
7099
7100         PR target/20375
7101         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
7102         of CUMULATIVE_ARGS past the last named argument.
7103         (alpha_va_start): Expect pretend_args_size only if strictly less than
7104         6 named arguments.
7105
7106 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7107
7108         PR middle-end/21024
7109         * builtins.c (expand_builtin_strcat): Convert the result of
7110         strlen to the right type.
7111         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
7112         avoid creating type mismatches.
7113         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
7114         type mismatches.
7115
7116         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
7117
7118 2005-04-16  Richard Henderson  <rth@redhat.com>
7119
7120         PR target/21051
7121         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
7122         Use the mode of boolean_type_node when the user doesn't provide one.
7123         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
7124
7125 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
7126
7127         PR target/20126
7128         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
7129         (const)).
7130
7131         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
7132         comment.
7133
7134 2005-04-16  Roger Sayle  <roger@eyesopen.com>
7135             Steven Bosscher  <stevenb@suse.de>
7136
7137         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
7138         (fold_unary_to_constant): Likewise.
7139
7140 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
7141
7142         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
7143         PROP_ASM_SCAN.
7144
7145 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
7146
7147         * doc/install.texi (Specific): Avoid using asterisks in @anchor
7148         names related to target triplets.
7149         Remove i?86-*-esix from platform directory.
7150         Remove powerpc-*-eabiaix from platform directory.
7151
7152 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
7153
7154         PR middle-end/20491
7155         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
7156         falling through from SUBREG case to REG.
7157
7158 2005-04-15  Roger Sayle  <roger@eyesopen.com>
7159
7160         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
7161         (fold_binary): Update comment mentioning fold_relational_hi_lo.
7162         (fold_binary_to_constant): Simplify using fold_binary.
7163         (fold_unary_to_constant): Likewise, simplify using fold_unary.
7164
7165 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7166
7167         * gthr-posix.c (pthread_cancel): Define.
7168         (pthread_mutexattr_init): Likewise.
7169         (pthread_mutexattr_settype): Likewise.
7170         (pthread_mutexattr_destroy): Likewise.
7171
7172 2005-04-15  David S. Miller  <davem@davemloft.net>
7173
7174         PR target/20673
7175         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
7176
7177 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7178
7179         PR tree-optimization/21031
7180         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
7181         (forward_propagate_into_cond_1): Call it.  Forward propagate
7182         integer-integer casts into COND_EXPRs.
7183
7184 2005-04-15  Dave Korn  <dave.korn@artimi.com>
7185
7186         * gcc.c (default_compilers): Clarify obscure error message when
7187         reading from standard input.
7188
7189 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7190
7191         * basic-block.h (PROP_EQUAL_NOTES): Remove.
7192         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
7193
7194         * tree-ssa-alias.c (init_alias_info): Remove a call to
7195         get_stmt_operands.
7196
7197 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
7198
7199         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
7200         of non-virtual PHI nodes like we use to.
7201
7202 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
7203
7204         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
7205         (attr_copy_rtx): Do not use it.
7206
7207 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
7208
7209         * doc/tree-ssa.texi: Grammer/abbreviation updates.
7210
7211 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
7212
7213         * tree-vect-transform.c (vectorizable_store): Mark necessary
7214         objects in the vectorized store needing renaming.  Update the
7215         SSA graph for V_MAY_DEF operands in the original store.
7216
7217 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
7218
7219         * tree-ssa-pre.c (compute_avail): It's okay to have
7220         TREE_INVARIANT's here, and value number the resulting expressions.
7221         (create_expression_by_pieces): Make sure operands that were
7222         min_invariant when we started, stay that way.
7223
7224 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
7225
7226         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
7227
7228 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7229
7230         PR tree-optimization/20936.
7231         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
7232
7233 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7234
7235         * doc/invoke.texi: Fix typos.
7236         * doc/md.texi: Likewise.
7237         * doc/rtl.texi: Likewise.
7238         * doc/sourcebuild.texi: Likewise.
7239         * doc/tm.texi: Likewise.
7240
7241 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
7242
7243         PR tree-optimization/21004
7244         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
7245         and floorl in c99 mode only.
7246         * builtins.c (expand_builtin_int_roundingfn): Assert that
7247         fallback_fndecl is not NULL_TREE.
7248
7249 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7250
7251         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
7252         * basic-block.h: Update the prototype for
7253         purge_all_dead_edges.
7254         * cfgexpand.c (tree_expand_cfg): Update a call to
7255         purge_all_dead_edges.
7256         * combine.c (combine_instructions): Likewise.
7257         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
7258         rest_of_handle_cse2, rest_of_handle_gcse,
7259         rest_of_handle_postreload): likewise.
7260
7261 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
7262
7263         PR middle-end/20739
7264         * gimplify.c (gimplify_addr_expr): Compensate for removal of
7265         e.g. cv-qualification conversions.
7266
7267 2005-04-14  Mike Stump  <mrs@apple.com>
7268
7269         * config/darwin-c.c (framework_construct_pathname): We must
7270         find all headers of a framework in the first instance of it
7271         found in the seach path.
7272
7273 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
7274
7275         PR tree-optimization/21021
7276         * tree-vrp.c (compare_values): Work around a bug in the front
7277         end that produces a comparison of mismatched types.
7278
7279 2004-04-14  Richard Henderson  <rth@redhat.com>
7280
7281         * config/ia64/ia64.h (enum fetchop_code): Remove.
7282         (enum ia64_builtins): Move ...
7283         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
7284         members except BSP and FLUSHRS.
7285         (ia64_init_builtins): Remove __sync builtins.
7286         (ia64_expand_builtin): Likewise.
7287         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
7288         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
7289         (ia64_expand_lock_release): Remove.
7290         * config/ia64/ia64.md (mf): Move to sync.md.
7291         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
7292         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
7293         * config/ia64/sync.md: New file.
7294         (memory_barrier): Rename from mf.
7295         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
7296         (cmpxchg_acq_<I48MODE>): Likewise.
7297         (sync_lock_test_and_set<I48MODE>): Likewise.
7298
7299         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
7300         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
7301
7302 2004-04-14  Richard Henderson  <rth@redhat.com>
7303
7304         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
7305         (ix86_compare_emitted): New.
7306         (ix86_expand_compare): Use ix86_compare_emitted if set.
7307         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
7308         and ix86_compare_op0 are set.
7309         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
7310         (TARGET_CMPXCHG, TARGET_XADD): New.
7311         (ix86_compare_emitted): Declare.
7312         * config/i386/i386.md: Include sync.md
7313         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
7314         (UNSPECV_XCHG, UNSPECV_LOCK): New.
7315         * config/i386/sync.md: New file.
7316
7317 2004-04-14  Richard Henderson  <rth@redhat.com>
7318
7319         PR middle-end/14311
7320         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
7321         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
7322         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
7323         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
7324         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
7325         BT_FN_I8_VPTR_I8_I8): New.
7326         * builtins.def (DEF_SYNC_BUILTIN): New.
7327         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
7328         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
7329         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
7330         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
7331         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
7332         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
7333         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
7334         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
7335         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
7336         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
7337         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
7338         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
7339         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
7340         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
7341         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
7342         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
7343         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
7344         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
7345         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
7346         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
7347         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
7348         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
7349         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
7350         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
7351         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
7352         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
7353         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
7354         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
7355         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
7356         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
7357         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
7358         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
7359         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
7360         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
7361         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
7362         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
7363         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
7364         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
7365         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
7366         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
7367         BUILT_IN_SYNCHRONIZE: New.
7368         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
7369         as a function.  Accept __sync_ as a prefix as well.
7370         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7371         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
7372         expand_builtin_lock_release): New.
7373         (expand_builtin): Call them.
7374         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
7375         neither BOTH_P nor FALLBACK_P are defined.
7376         (builtin_type_for_size): New.
7377         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
7378         (resolve_overloaded_builtin): New.
7379         * c-common.h (resolve_overloaded_builtin): Declare.
7380         (builtin_type_for_size): Declare.
7381         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
7382         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
7383         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
7384         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
7385         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
7386         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
7387         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
7388         sync_compare_and_swap_cc, sync_lock_test_and_set,
7389         sync_lock_release): New.
7390         * optabs.h: Declare them.
7391         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
7392         expand_sync_operation, expand_sync_fetch_operation,
7393         expand_sync_lock_test_and_set): Declare.
7394         * genopinit.c (optabs): Add sync optabs.
7395         * optabs.c (init_optabs): Initialize sync optabs.
7396         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
7397         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
7398         expand_sync_operation, expand_sync_fetch_operation,
7399         expand_sync_lock_test_and_set): New.
7400         * doc/extend.texi (Atomic Builtins): New section
7401         * doc/md.texi (Standard Names): Add sync patterns.
7402
7403 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
7404
7405         * tree-eh.c (lower_try_finally_copy): Generate new code in
7406         response to goto_queue entries as if the queue was sorted by
7407         index, not pointers.
7408         (lower_try_finally_switch): Likewise.
7409
7410 2005-04-14  Richard Henderson  <rth@redhat.com>
7411
7412         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
7413         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
7414         register.
7415         (ix86_expand_fp_movcc): Update to match.
7416         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
7417         * config/i386/i386-protos.h: Update.
7418         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
7419         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
7420
7421 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
7422
7423         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
7424         refer to 4.0.
7425
7426 2005-04-14  Julian Brown  <julian@codesourcery.com>
7427
7428         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
7429         link failures on ppc64 Linux.
7430
7431 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
7432
7433         * config.gcc: Set cpu_type for s390.
7434
7435 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
7436
7437         Fix PR tree-optimization/20963
7438         * tree-ssa-pre.c (compute_avail): Remove special case for
7439         TREE_INVARIANT.
7440         (create_expression_by_pieces): Add value numbers for forced out
7441         statements.
7442
7443 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
7444
7445         * config/cris/cris.md: Replace references to (reg:SI 16) with
7446         (reg:SI CRIS_SRP_REGNUM).
7447
7448 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
7449
7450         PR tree-optimization/20657
7451         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
7452         create an appropriate range from it.
7453
7454 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
7455
7456         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
7457         <UNSPEC_FIST_CEIL> case.
7458
7459         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
7460         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
7461         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
7462         to implement lfloor and llfloor built-ins as x87 intrinsic function.
7463         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
7464         (lfloor<mode>2): New expanders.
7465         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
7466         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
7467         to implement lceil and llceil built-ins as x87 intrinsic function.
7468         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
7469         (lceil<mode>2): New expanders.
7470
7471 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
7472
7473         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
7474         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
7475
7476 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
7477
7478         PR target/20927
7479         * config/s390/s390-modes.def: Define TFmode.
7480
7481 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
7482
7483         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
7484         (JUMP_TABLES_IN_TEXT_SECTION): Define.
7485         * config/mips/mips.c (mips16_insn_length): Remove reference to
7486         JUMP_TABLES_IN_TEXT_SECTION.
7487
7488 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
7489
7490         * simplify-rtx.c (simplify_binary_operation_1): Return
7491         scalar or vector of constant 0, depending on the xor's
7492         mode.
7493
7494 2005-04-13  Dale Johannesen  <dalej@apple.com>
7495
7496         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
7497         (objc-act.o):  Ditto.
7498         * objc/objc-act.c (objc_gimplify_expr):  New.
7499         (objc_get_callee_fndecl):  New.
7500         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
7501         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
7502         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
7503
7504 2005-04-13  Devang Patel  <dpatel@apple.com>
7505
7506         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
7507         temp variables.
7508
7509 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
7510
7511         CRIS prologue as RTL.
7512         * config/cris/cris-protos.h (cris_emit_movem_store)
7513         (cris_expand_prologue): Prototype.
7514         * config/cris/cris.c (struct machine_function): New member
7515         stdarg_regs.
7516         (cfa_label_num, cris_target_asm_function_prologue): Remove.
7517         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
7518         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
7519         (cris_load_multiple_op, cris_return_address_on_stack)
7520         (cris_return_address_on_stack_for_return): ISO-Cify.
7521         (cris_store_multiple_op): New predicate function.
7522         (cris_expand_prologue, cris_emit_movem_store): New functions.
7523         (cris_print_operand) <case 'O'>: Handle modifications other than
7524         post-increment.
7525         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
7526         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
7527         (cris_gen_movem_load): Rearrange slightly to make local variable
7528         src a parameter, removing osrc.
7529         (cris_setup_incoming_varargs): Set machine_function member
7530         stdarg_regs to correspond to the number of registers that need to
7531         be saved.
7532         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
7533         CRIS_UNSPEC_GOT.
7534         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
7535         cris_general_operand_or_gotless_symbol accept UNSPEC.
7536         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
7537         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
7538         ("*cris_store_multiple"): New pattern.  Tweak common comment above
7539         this and "*cris_load_multiple".
7540         ("prologue"): New define_expand.
7541
7542         * config/cris/cris.md ("epilogue"): Conditionalize on
7543         TARGET_PROLOGUE_EPILOGUE.
7544
7545 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
7546
7547         PR target/20924
7548         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
7549         fpsr 0 instead of fpsr 1.
7550         (divsf3_internal_thr): Ditto.
7551         (divdf3_internal_lat): Ditto.
7552         (divdf3_internal_thr): Ditto.
7553         (divxf3_internal_lat): Ditto.
7554         (divxf3_internal_thr): Ditto.
7555
7556 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7557
7558         PR tree-optimization/20913
7559         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
7560
7561         PR tree-optimization/20702
7562         * tree-vrp.c (maybe_add_assert_expr): Recurse into
7563         dominator children that haven't been walked into.
7564
7565 2005-04-13  Julian Brown  <julian@codesourcery.com>
7566
7567         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
7568         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
7569         is true.
7570
7571 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7572
7573         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
7574         config/i386/sse.md: Fix comment typos.
7575
7576         * genattrtab.c (NULL_ATTR): Remove.
7577         * ifcvt.c (NULL_EDGE): Likewise.
7578
7579         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
7580
7581         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
7582         NOTE_PREDICT): Remove.
7583
7584 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7585
7586         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
7587         * configure: Regenerate.
7588         * config.in: Likewise.
7589         * system.h: Declare vsnprintf if not already declared.
7590
7591 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7592
7593         * optc-gen.awk: Handle stand-alone Mask records.
7594         * opth-gen.awk: Likewise.
7595         * doc/options.texi (Option file format): Document them.
7596         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
7597         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
7598         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
7599         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
7600         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
7601         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
7602         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
7603         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
7604         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
7605         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
7606         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
7607         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
7608         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
7609         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
7610         TARGET_LONG_DOUBLE_128): Likewise.
7611         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
7612         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
7613         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
7614         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
7615         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
7616         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
7617         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
7618         * config/sparc/sparc.c (fpu_option_set): New global.
7619         (sparc_handle_option): New function.
7620         (sparc_override_options): Test fpu_option_set.
7621         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
7622         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
7623         * config/sparc/sparc.opt: New file.
7624         * config/sparc/little-endian.opt: Likewise.
7625         * config/sparc/long-double-switch.opt: Likewise.
7626
7627 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
7628
7629         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
7630         (bfin_handle_options): Set it if -mshared-library-id= is seen.
7631         * config/bfin/bfin.opt (mshared-library-id=): Lose
7632         Var(bfin_lib_id_given).
7633
7634 2005-04-13  Matt Thomas  <matt@3am-software.com>
7635
7636         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
7637         defining.
7638
7639 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7640
7641         * rtl.h (CLEAR_RTX_FLAGS): Remove.
7642
7643         * cgraphunit.c (INSNS_PER_CALL): Remove.
7644
7645         * tree-ssa-forwprop.c (vars,
7646         record_single_argument_cond_exprs,
7647         substitute_single_use_vars): Remove.
7648         (forward_propagate_into_cond_1, forward_propagate_into_cond):
7649         New.
7650         (tree_ssa_forward_propagate_single_use_vars): Call
7651         forward_propagate_into_cond for each COND_EXPR.
7652
7653         * tree-inline.c (INSNS_PER_STMT): Remove.
7654
7655 2005-04-12  Richard Henderson  <rth@redhat.com>
7656
7657         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
7658         (ix86_expand_sse_fp_minmax): ... from ...
7659         (ix86_expand_fp_movcc): ... here.
7660         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
7661         * config/i386/i386-protos.h: Update.
7662         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
7663         (sse_setccsf, sse_setccdf): Allow before reload.
7664         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
7665         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
7666         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
7667         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
7668         (anddf3, nanddf3, iordf3, xordf3): New.
7669
7670 2005-04-12  Jeff Law  <law@redhat.com>
7671
7672         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
7673         (tree-ssa-uncprop.o): Add dependencies.
7674         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
7675         * tree-flow.h (remove_useless_stmts): Remove prototype.
7676         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
7677         remove_useless_stmts.
7678         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
7679         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
7680         * tree-pass.h (pass_uncprop): Declare.
7681         * tree-ssa-uncprop.c: New file.
7682
7683 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
7684
7685         PR target/20670
7686         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
7687
7688 2005-04-12  Caroline Tice  <ctice@apple.com>
7689
7690         Temporary fix for partitioning problems.
7691         * passes.c (rest_of_handle_final): Remove code that
7692         frees unlikely_text_section_name,
7693         * varasm.c (assemble_start_function): Test for partitioning
7694         flag before writing out section labels.
7695         (assemble_end_function): Test for partitioning flag before
7696         writing out section labels.
7697
7698 2005-04-12  Steven Bosscher  <stevenb@suse.de>
7699             Stuart Hastings <stuart@apple.com>
7700             Jan Hubicka  <jh@suse.cz>
7701
7702         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
7703         references to gt-tree-cfg.h.
7704         * basic-block.h (struct basic_block_def): Don't skip rbi
7705         for garbage collection.
7706         (struct reorder_block_def): Make GTY-able.
7707         (struct control_flow_graph): New structure.
7708         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
7709         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
7710         but instead defines to the control_flow_graph for cfun.
7711         (label_to_block_map): New define, points to the label map of
7712         the control_flow_graph for cfun.
7713         (n_edges_for_function, n_basic_blocks_for_function,
7714         last_basic_block_for_function, basic_block_info_for_function,
7715         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
7716         basic_block_info_for_function, label_to_block_map_for_function):
7717         Counterparts for the above, taking a struct function as an extra
7718         argument.
7719         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
7720         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
7721         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
7722         (alloc_rbi_pool, free_rbi_pool): Remove.
7723         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
7724         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
7725         here...
7726         (cfg_layout_finalize) ... and don't free it here.
7727         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
7728         garbage collected.
7729         * flow.c (free_basic_block_vars): Set label_to_block_map and
7730         n_edges to zero too.
7731         * function.h (struct function): Add cfg field.
7732         * function.c (allocate_struct_function): Allocate the cfg.
7733         * tree-cfg.c (label_to_block_map): Remove.
7734         (build_tree_cfg): Don't allocate the rbi pool here...
7735         (delete_tree_cfg_annotations): ...and don't free it here.
7736         Also don't nullify label_to_block_map for cfun.
7737
7738 2005-04-12  Caroline Tice  <ctice@apple.com>
7739
7740         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7741         Revert my patch from April 9.
7742         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
7743         (reorder_basic_blocks): Revert my patch from April 9.
7744         (insert_section_boundary_note): Revert my patch from April 9.
7745         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
7746         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
7747         (COLD_END_LABEL):  Revert my patch from April 9.
7748         (cold_text_section_label):  Revert my patch from April 9.
7749         (cold_end_label): Revert my patch from April 9.
7750         (dwarf2out_switch_text_section): Revert my patch from April 9.
7751         (output_aranges): Revert my patch from April 9.
7752         (output_ranges):  Revert my patch from April 9.
7753         (output_line_info): Revert my patch from April 9.
7754         (add_location_or_const_value_attribute):  Revert my patch from April 9.
7755         (dwarf2out_var_location): Revert my patch from April 9.
7756         (dwarf2out_init):  Revert my patch from April 9.
7757         (dwarf2out_finish): Revert my patch from April 9.
7758         * function.h (struct function): Revert my patch from April 9.
7759         * opts.c (decode_options): Revert my patch from April 9.
7760         * output.h (unlikely_section_label, hot_section_label,
7761         hot_section_end_label, cold_section_end_label,
7762         unlikely_text_section_name): Revert my patch from April 9.
7763         * passes.c (rest_of_handle_final): Revert my patch from April 9.
7764         * varasm.c (unlikely_section_label, hot_section_label,
7765         hot_section_end_label, cold_section_end_label,
7766         unlikely_text_section_name): Revert my patch from April 9.
7767         (initialize_cold_section_name): Revert my patch from April 9.
7768         (unlikely_text_section): Revert my patch from April 9.
7769         (in_unlikely_text_section): Revert my patch from April 9.
7770         (named_section): Revert my patch from April 9.
7771         (function_section): Revert my patch from April 9.
7772         (current_function_section): Revert my patch from April 9.
7773         (assemble_start_function): Revert my patch from April 9.
7774         (assemble_end_function): Revert my patch from April 9.
7775         (default_section_type_flags_1): Revert my patch from April 9.
7776
7777 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7778
7779         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
7780         * config/sparc/sparc.md (untyped_call): Save the registers manually.
7781
7782         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
7783
7784 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
7785
7786         PR middle-end/20917
7787         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
7788         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
7789
7790 2004-04-12  Richard Henderson  <rth@redhat.com>
7791
7792         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
7793         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
7794         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
7795         (UNSPEC_*, UNSPECV_*): Renumber.
7796
7797 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
7798
7799         PR mudflap/19266
7800         From Richard Henderson <rth@redhat.com>:
7801         * tree-mudflap.c (mf_build_check_statement_for): Correct block
7802         splitting logic.
7803
7804 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
7805
7806         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
7807
7808 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7809
7810         * config/bfin/bfin.c (bfin_library_id_string): Remove.
7811         (bfin_library_id): New variable.
7812         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
7813         instead of bfin_library_id_string.
7814         (bfin_handle_option): New function.
7815         (override_options): Remove most code to deal with shared library IDs,
7816         just check they aren't used without -mid-shared-library.
7817         (TARGET_HANDLE_OPTION): Define.
7818         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
7819         * config/bfin/bfin.opt (mshared-library-id=): New.
7820
7821 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
7822
7823         * tree-vect-transform.c: Fix comment typos.
7824
7825 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
7826
7827         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
7828         split critical edges when not possible/profitable.
7829
7830 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7831
7832         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
7833         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
7834         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
7835         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
7836         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
7837         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
7838         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
7839         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
7840         MASK_NO_BITFIELD.
7841         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
7842         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7843         * config/ns32k/ns32k.opt: New file.
7844
7845 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7846
7847         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
7848         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
7849         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
7850         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
7851         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
7852         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
7853         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
7854         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
7855         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
7856         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
7857         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
7858         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
7859         (MASK_COLDFIRE): Formatting fixes.
7860         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
7861         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
7862         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
7863         "_current_shared_library_a5_offset_".
7864         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7865         (MASK_ALL_CPU_BITS): New macro.
7866         (m68k_handle_option): New function.
7867         (override_options): Remove handling of m68k_library_id_string.
7868         * config/m68k/m68k.opt: New file.
7869         * config/m68k/ieee.opt: New file.
7870
7871 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
7872
7873         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7874         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
7875         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7876         (TARGET_CXX): Adjust accordingly.
7877         * target.h (struct gcc_target): Remove epxort_class_data.  Add
7878         determine_class_data_visibility and class_data_always_comdat.
7879         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7880         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
7881         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7882         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
7883         (arm_cxx_determine_class_data_visibility): New.
7884         (arm_cxx_class_data_always_comdat): Likewise.
7885         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7886         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
7887         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7888         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
7889         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
7890         Define.
7891
7892 2005-04-11  Devang Patel  <dpatel@apple.com>
7893
7894         * tree-data-ref.c (build_classic_dist_vector,
7895         compute_subscript_distance): Make externally visible.
7896         * tree-data-ref.h (build_classic_dist_vector,
7897         compute_subscript_distance): Same.
7898         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
7899         Check distance vector against vectorization factor.
7900         (vect_analyze_loop): Determine vectorizaion factor before
7901         analyzing data dependences.
7902         * tree-vectorizer.c (loops_num): Make it externally visible and
7903         rename ...
7904         * tree-vectorizer.c (vect_loops_num): ... new name.
7905         * tree-vectorizer.h  (vect_loops_num): New.
7906
7907 2005-04-11  Devang Patel  <dpatel@apple.com>
7908
7909         * tree-vect-analyze.c (vect_analyze_operations): Check
7910         vectorizable codition.
7911         * tree-vect-transform.c (vect_is_simple_cond): New function.
7912         (vectorizable_condition): New function.
7913         (vect_transform_stmt): Handle condition_vec_info_type.
7914         * tree-vectorizer.h (enum stmt_vec_info_type): Add
7915         condition_vec_info_type.
7916         (vectorizable_condition): New.
7917
7918 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
7919
7920         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
7921         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
7922         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
7923
7924         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
7925         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
7926
7927         * dwarf2out.c (output_line_info): Don't try to dereference
7928         a NULL current_function_decl.
7929
7930         * config/t-slibgcc-darwin: Don't put shared libraries in
7931         directories other than $(slibdir).
7932         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
7933         OS uses for it.
7934
7935 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7936
7937         PR tree-optimization/20933
7938         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
7939         logic to reject aliases between read-only and writable
7940         variables ...
7941         (may_alias_p): ... here.
7942         (get_tmt_for): Do not associate read-only tags to pointers
7943         whose pointed-to type is not read-only.
7944         * tree-ssa.c (verify_ssa): Check that memory stores have at
7945         least one V_MAY_DEF or V_MUST_DEF.
7946
7947 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7948
7949         PR/17092
7950         * configure.ac (gcc_UNLOCKED_FUNCS): New.
7951         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
7952         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
7953         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
7954         _unlocked function.
7955         (fwrite_unlocked): Fix prototype.
7956
7957         * configure, config.in: Regenerate.
7958
7959 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
7960
7961         * tree-ssa-loop-im.c: Include real.h.
7962         (determine_invariantness_stmt): If real division divisor is
7963         invariant and flag_unsafe_math_optimizations enabled, generate
7964         invariant reciprocal for hoisting.
7965         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
7966
7967 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7968
7969         Fix PR tree-optimization/20926
7970
7971         * tree-ssa-alias.c (add_type_alias): Handle subvars.
7972
7973 2005-04-11  Devang Patel  <dpatel@apple.com>
7974
7975         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
7976         operand ordering.
7977
7978 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7979
7980         * fold-const.c (fold_binary_op_with_conditional_arg):
7981         use fold_buildN instead of "fold (buildN" in some
7982         non obvious places.
7983         (fold_unary): Likewise.
7984         (fold_binary): Likewise.
7985
7986 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7987
7988         Fix PR tree-optimization/20612
7989         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
7990         handling
7991         (perfect_nestify): preheaderbb is *not* part of loop of the
7992         old destination.
7993
7994 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7995
7996         * tree-ssa-alias.c (may_alias_p): If the variable
7997         is a global variable and the pointer is parameter
7998         and -fargument-noalias-global is used, then
7999         the pointer cannot alias the variable.
8000
8001 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
8002
8003         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
8004         * config/sparc/sparc.h: Likewise.
8005         * config/sparc/sparc.md: Likewise.
8006
8007 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
8008
8009         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
8010
8011         * tree-vrp.c: Fix a comment typo.
8012
8013 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
8014
8015         PR tree-optimization/20920
8016         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
8017         SSA_NAME flows through an abnormal edge.
8018         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
8019         through abnormal edges.
8020         (maybe_add_assert_expr): Likewise.
8021
8022 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
8023
8024         * config/s390/s390.h (s390_tune_string, s390_arch_string)
8025         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
8026         (s390_stack_size_string, s390_stack_guard_string, target_flags)
8027         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
8028         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
8029         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
8030         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
8031         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
8032         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
8033         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
8034         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
8035         (TARGET_HANDLE_OPTION): Likewise.
8036         (s390_tune): Initialize to PROCESSOR_max.
8037         (s390_arch_string): Make static.
8038         (s390_tune_string, s390_warn_framesize_string): Delete.
8039         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
8040         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
8041         (s390_handle_arch_option, s390_handle_option): New functions.
8042         (override_options): Remove parsing of option strings.
8043         * config/s390/s390.opt: New file.
8044
8045 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
8046
8047         * tree-complex.c (expand_vector_operations): Call
8048         update_stmt_if_modified.
8049
8050 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
8051
8052         * tree-vect-analyze (vect_determine_vectorization_factor):
8053         Do not use GET_MODE_NUNITS.
8054         * tree-vect-transform.c (vect_get_vec_def_for_operand,
8055         (vectorizable_load, vect_transform_loop): Likewise.
8056
8057 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
8058
8059         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
8060         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
8061         * optabs.h (enum optab_index): Add new OTI_lceil.
8062         (lceil_optab): Define corresponding macro.
8063         * optabs.c (init_optabs): Initialize lceil_optab.
8064         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
8065         and lceildi2 patterns.
8066         * builtins.c (expand_builtin_int_roundingfn): Handle
8067         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
8068         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
8069         BUILT_IN_LLCEIL{,F,L}.
8070         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
8071         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
8072         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
8073         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
8074         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
8075         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
8076         into lceil built-in function and (long long int)ceil{,f,l} into
8077         llceil built-in function.
8078         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
8079         BUILT_IN_LLCEIL.
8080
8081 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8082
8083         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
8084         zero.
8085
8086 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
8087
8088         * config/arm/arm.c: Fix a comment typo.
8089         * doc/tree-ssa.texi: Fix a typo.
8090
8091 2005-04-10  Steven Bosscher  <stevenb@suse.de>
8092
8093         * cselib.c (clear_table): Rename to cselib_clear_table.
8094         * cselib.h (cselib_clear_table): Add prototype.
8095         * gcse.c (gcse_main): Make 'f' argument unused.
8096         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
8097         of each basic block instead.
8098         (compute_sets, compute_hash_table_work): Likewise.
8099         (constprop_register): Change int 'alter_jumps' argument to bool.
8100         (do_local_cprop): Likewise.
8101         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
8102         the insn chain.  Explicitly clear the cselib tables after finishing
8103         one basic block.  Make sure there are no unterminated libcall blocks.
8104         Update compute_sets call.
8105         (cprop): Walk basic blocks instead of the insn chain.
8106         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
8107         Likewise.
8108         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
8109         one_cprop_pass calls.
8110
8111 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
8112
8113         * combine.c (combine_simplify_rtx): Remove a transformation that
8114         relies on an invalid assumption about rtl sign-extension semantics.
8115
8116 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
8117
8118         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
8119         to build_int_cst_wide.
8120
8121 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
8122
8123         PR target/20126
8124         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
8125         set the original address pseudo to the correct value before the
8126         original insn, if possible, and leave the insn alone, otherwise
8127         create a new pseudo, set it and replace it in the insn.
8128         * recog.c (validate_change_maybe_volatile): New.
8129         * recog.h (validate_change_maybe_volatile): Declare.
8130
8131 2005-04-09  Caroline Tice  <ctice@apple.com>
8132
8133         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8134         Remove targetm.have_named_sections test.
8135         (fix_edges_for_rarely_executed_code): Likewise.
8136         (insert_section_boundary_note): Likewise.
8137         (reorder_basic_blocks): Check partitioning flag before calling
8138         verify_hot_cold_block_grouping.
8139         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
8140         the function struct rather than global variables.
8141         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
8142         (COLD_END_LABEL): Likewise
8143         (cold_text_section_label): New static global variable.
8144         (cold_end_label): Likewise.
8145         (dwarf2out_switch_text_section): Get hot/cold section labels from
8146         the function struct rather than global variables.
8147         (output_aranges): Use cold_text_section_label and cold_end_label;
8148         check partitioning flag before putting out delta.
8149         (output_ranges): Remove incorrect code attempting to use
8150         hot/cold labels.
8151         (output_line_info): Get cold section label from function struct.
8152         (add_location_or_const_value_attribute): Likewise.
8153         (get_subprogram_die): Get hot/cold section labels from function struct.
8154         (dwarf2out_var_location): Likewise.
8155         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
8156         write out cold_text_section_label if partition flag is set.
8157         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
8158         * function.h (struct function): Add new fields to point to hot/cold
8159         section labels: hot_section_label, cold_section_label,
8160         hot_section_end_label and cold_section_end_label; also add new field
8161         for cold text section name, unlikely_text_section_name.
8162         * opts.c (decode_options): Turn off partitioning flag if
8163         !targetm.have_named_sections.
8164         * output.h (hot_section_label): Remove.
8165         (hot_section_end_label): Remove.
8166         (cold_section_end_label): Remove.
8167         (unlikely_section_label): Remove.
8168         (unlikely_text_section_name): Remove.
8169         * passes.c (rest_of_handle_final):  Remove code that frees
8170         unlikely_text_section_name.
8171         * varasm.c (unlikely_section_label): Remove.
8172         (hot_section_label): Remove.
8173         (hot_section_end_label): Remove.
8174         (cold_section_end_label): Remove.
8175         (unlikely_text_section_name):  Remove.
8176         (initialize_cold_section_name): Modify to call
8177         targetm.strip_name_encoding; to store cold section name in current
8178         function struct, if it exists; and to only use the decl_section_name
8179         if flag_named_sections is true.
8180         (unlikely_text_section): Modify to get section name out of current
8181         function struct, if there is one; otherwise build it from
8182         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
8183         (in_unlikely_text_section): Likewise.
8184         (named_section): Modify to get/put cold section name in current function
8185         struct, if there is one.
8186         (function_section):  Change 'bool unlikely' to 'int reloc'; check
8187         targetm.have_named_sections before calling named_section.
8188         (current_function_section): Likewise.
8189         (assemble_start_function): Modify to get/put unlikely_text_section_name
8190         in current function struct; modify to get hot/cold section labels
8191         from function struct; initialize labels using
8192         ASM_GENERATE_INTERNAL_LABEL;
8193         test partitioning flag before writing out hot section label.
8194         (assemble_end_function): Test partitioning flag before writing out
8195         hot/cold section labels.
8196         (default_section_type_flags_1):  Modify to use array instead of
8197          char* for unlikely_text_section_name; set flags correctly for
8198          cold text section if there is not a current function decl.
8199
8200 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
8201
8202         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
8203         and TI_VA_LIST_FPR_COUNTER_FIELD.
8204         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
8205         * tree-pass.h (pass_stdarg): Add.
8206         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
8207         * tree-stdarg.c: New file.
8208         * tree-stdarg.h: New file.
8209         * Makefile.in (OBJS-common): Add tree-stdarg.o.
8210         (tree-stdarg.o): Add dependencies.
8211         * function.h (struct function): Add va_list_gpr_size and
8212         va_list_fpr_size fields.
8213         * function.c (allocate_struct_function): Initialize them.
8214         * target.h (struct gcc_target): Add stdarg_optimize_hook.
8215         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
8216         (TARGET_INITIALIZER): Add it.
8217
8218         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
8219         va_list_{g,f}pr_counter_field.
8220         (ix86_setup_incoming_varargs): Don't do anything if reg_save
8221         area will not be used.  Only save registers that tree-stdarg.c
8222         detected they need saving.
8223         (ix86_va_start): Don't set up fields that won't be used.
8224
8225         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
8226         va_list_{g,f}pr_counter_field.
8227         (setup_incoming_varargs): Don't do anything if reg_save
8228         area will not be used.  Only save registers that tree-stdarg.c
8229         detected they need saving.
8230         (rs6000_va_start): Don't set up fields that won't be used.
8231
8232         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
8233         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
8234         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
8235         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
8236
8237 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
8238
8239         PR target/20795
8240         * config/i386/i386.c (construct_container): Pass empty aligned
8241         struct, union or class in memory.
8242
8243 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
8244
8245         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
8246         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
8247         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
8248         config/rs6000/predicates.md: Fix comment typos.
8249
8250         * sched-int.h (haifa_insn_data): Remove blockage and units.
8251         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
8252         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
8253         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
8254
8255 2005-04-09  Jan Hubicka  <jh@suse.cz>
8256             Steven Bosscher  <stevenb@suse.de>
8257
8258         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
8259         * cfgloop.c (get_loop_exit_edges): Likewise.
8260         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
8261         (unloop): Likewise.
8262         * loop-unroll.c (analyze_insns_in_loop): Likewise.
8263         * tree-cfg.c (dump_cfg_status): Likewise.
8264
8265 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
8266
8267         * config/rs6000/predicates.md (altivec_register_operand): Remove
8268         redundant match_code test.
8269         (gpc_reg_operand): Same.
8270         (cc_reg_operand): Same.
8271         (cc_reg_not_cr0_operand): Same.
8272
8273 2005-04-09  Jan Hubicka  <jh@suse.cz>
8274
8275         Forgotten hunk from my last merge patch:
8276         * final.c (output_addr_const): Do not call mark_referenced.
8277
8278 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
8279
8280         * doc/tree-ssa.texi: Add immediate use documentation.
8281
8282 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
8283
8284         * arm.c (FL_WBUF): Define.
8285         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
8286         (arm_is_6_or_7): Delete.
8287         (arm_tune_wbuf): New.
8288         (arm_override_options): Set arm_tune_wbuf.
8289         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
8290         (arm_is_6_or_7): Delete declaration.
8291         (arm_tune_wbuf): New declartion.
8292         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
8293         (model_wbuf): Derive from arm_tune_wbuf.
8294         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
8295         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
8296         (arm740t): Mark CPUs as having a write buffer.
8297
8298 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
8299
8300         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
8301         of 'const_double_operand' in operand 2 constraints.  Update enable
8302         condition.
8303
8304 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
8305
8306         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
8307         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
8308         * optabs.h (enum optab_index): Add new OTI_lfloor.
8309         (lfloor_optab): Define corresponding macro.
8310         * optabs.c (init_optabs): Initialize lfloor_optab.
8311         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
8312         and lfloordi2 patterns.
8313         * builtins.c (expand_builtin_int_roundingfn): New prototype.
8314         (expand_builtin_int_roundingfn): New function.
8315         (fold_builtin_int_roundingfn): New prototype.
8316         (fold_builtin_int_roundingfn): New function, renamed from
8317         fold_builtin_lround.
8318         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
8319         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
8320         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
8321         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
8322         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
8323         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
8324         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
8325         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
8326         into lfloor built-in function and (long long int)floor{,f,l} into
8327         llfloor built-in function.
8328         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
8329         BUILT_IN_LLFLOOR.
8330
8331 2005-04-08  Ian Lance Taylor  <ian@airs.com>
8332
8333         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
8334         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
8335         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
8336         (DO_COND, DO_BODY): Likewise.
8337         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
8338         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
8339         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
8340         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
8341         (build_continue_stmt, build_break_stmt): Don't declare.
8342         (c_do_switch_warnings): Update declaration.
8343         * c-gimplify.c (enum bc_t): Remove.
8344         (struct c_gimplify_ctx, ctxp): Remove.
8345         (push_context, pop_context): Remove static functions.
8346         (c_genericize): Don't call push_context or pop_context.
8347         (begin_bc_block, finish_bc_block): Remove static functions.
8348         (build_bc_goto): Likewise.
8349         (gimplify_c_loop): Likewise.
8350         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
8351         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
8352         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
8353         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
8354         * c-common.c (c_do_switch_warnings): Rename from
8355         c_do_switch_warnings_1.
8356         (c_do_switch_warnings) [old version]: Remove.
8357         (c_do_switch_expr_warnings): Remove.
8358         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
8359         function instead of c_do_switch_expr_warnings.
8360         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
8361         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
8362         * c-pretty-print.c (pp_c_statement): Likewise.
8363         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
8364
8365 2005-04-08  Devang Patel  <dpatel@apple.com>
8366
8367         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
8368         While selecting replacement condition pay attention to loop header.
8369
8370 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
8371
8372         Merge from tree-cleanup-branch: VRP, store CCP, store
8373             copy-prop, incremental SSA updating of FUD chains and
8374             newly exposed symbols.
8375
8376         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
8377         (OBJS-common): Add tree-vrp.o.
8378         (tree-vrp.o): New rule.
8379         * basic-block.h (nearest_common_dominator_for_set): Declare.
8380         * common.opt (ftree-store-ccp): New flag.
8381         (ftree-copy-prop): New flag.
8382         (ftree-vrp): New flag.
8383         (ftree-store-copy-prop): New flag.
8384         * dominance.c (nearest_common_dominator_for_set): New.
8385         * domwalk.c (walk_dominator_tree): Only traverse
8386         statements in blocks marked in walk_data->interesting_blocks.
8387         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
8388         * fold-const.c (fold): Handle ASSERT_EXPR.
8389         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
8390         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
8391         flag_tree_vrp at -O2.
8392         * timevar.def (TV_TREE_VRP): Define.
8393         (TV_TREE_COPY_PROP): Define.
8394         (TV_TREE_STORE_COPY_PROP): Define.
8395         (TV_TREE_SSA_INCREMENTAL): Define.
8396         (TV_TREE_STORE_CCP): Define.
8397         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
8398         to kill_redundant_phi_nodes from comment.
8399         (verify_expr): Handle ASSERT_EXPR.
8400         * tree-dfa.c (mark_new_vars_to_rename): Remove second
8401         argument.  Update all users.
8402         (mark_call_clobbered_vars_to_rename): Remove.  Update all
8403         users.
8404         * tree-flow-inline.h (unmodifiable_var_p): New.
8405         * tree-flow.h (enum value_range_type): Declare.
8406         (struct value_range_def): Declare.
8407         (value_range): Declare.
8408         (remove_all_phi_nodes_for): Remove.  Update all users.
8409         (find_phi_node_for): Declare.
8410         (add_type_alias): Declare.
8411         (count_uses_and_derefs): Declare.
8412         (kill_redundant_phi_nodes): Remove.
8413         (rewrite_into_ssa): Remove.
8414         (rewrite_def_def_chains): Remove.
8415         (update_ssa, register_new_name_mapping, create_new_def_for,
8416         need_ssa_update_p, name_registered_for_update_p,
8417         release_ssa_name_after_update_ssa, dump_repl_tbl,
8418         debug_repl_tbl, dump_names_replaced_by,
8419         debug_names_replaced_by, mark_sym_for_renaming,
8420         mark_set_for_renaming, get_current_def, set_current_def,
8421         get_value_range, dump_value_range, debug_value_range,
8422         dump_all_value_ranges, debug_all_value_ranges,
8423         expr_computes_nonzero, loop_depth_of_name,
8424         unmodifiable_var_p): Declare.
8425         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
8426         ASSERT_EXPR.
8427         * tree-into-ssa.c (block_defs_stack): Update comment.
8428         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
8429         syms_to_rename, names_to_release, repl_tbl,
8430         need_to_initialize_update_ssa_p, need_to_update_vops_p,
8431         need_to_replace_names_p): New locals.
8432         (NAME_SETS_GROWTH_FACTOR): Define.
8433         (struct repl_map_d): Declare.
8434         (struct mark_def_sites_global_data): Add field
8435         interesting_blocks.
8436         (enum rewrite_mode): Declare.
8437         (REGISTER_DEFS_IN_THIS_STMT): Define.
8438         (compute_global_livein): Use last_basic_block instead of
8439         n_basic_blocks.
8440         (set_def_block): Remove last argument.  Update all callers.
8441         (prepare_use_operand_for_rename): Remove.  Update all callers.
8442         (prepare_def_operand_for_rename): Remove.  Update all callers.
8443         (symbol_marked_for_renaming): New.
8444         (is_old_name): New.
8445         (is_new_name): New.
8446         (repl_map_hash): New.
8447         (repl_map_eq): New.
8448         (repl_map_free): New.
8449         (names_replaced_by): New.
8450         (add_to_repl_tbl): New.
8451         (add_new_name_mapping): New.
8452         (mark_def_sites): Assume that all the operands in the
8453         statement are in normal form.
8454         (find_idf): Assert that the block in the stack is valid.
8455         (get_default_def_for): New.
8456         (insert_phi_nodes_for): Add new argument 'update_p'.
8457         Add documentation.
8458         If update_p is true, add a new mapping between the LHS of
8459         each new PHI and the name that it replaces.
8460         (insert_phi_nodes_1): Only call find_idf if needed.
8461         (get_reaching_def): Call get_default_def_for.
8462         (rewrite_operand): Remove.
8463         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
8464         and REWRITE_THIS_STMT are false.
8465         Assume that all the operands in the statement are in
8466         normal form.
8467         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
8468         (rewrite_virtual_phi_arguments): Remove.
8469         (invalidate_name_tags): Remove.
8470         (register_new_update_single, register_new_update_set,
8471         rewrite_update_init_block, replace_use,
8472         rewrite_update_fini_block, rewrite_update_stmt,
8473         rewrite_update_phi_arguments): New.
8474         rewrite_blocks): Remove argument 'fix_virtual_phis'.
8475         Add arguments 'entry', 'what' and 'blocks'.
8476         Initialize the dominator walker according to 'what' and
8477         'blocks'.
8478         Start the dominator walk at 'entry'.
8479         (mark_def_site_blocks): Add argument 'interesting_blocks'.
8480         Use it to configure the dominator walker.
8481         (rewrite_into_ssa): Remove argument 'all'.
8482         Make internal.
8483         (rewrite_all_into_ssa): Remove.
8484         (rewrite_def_def_chains): Remove.
8485         (mark_def_interesting, mark_use_interesting,
8486         prepare_phi_args_for_update, prepare_block_for_update,
8487         prepare_def_site_for, prepare_def_sites,
8488         dump_names_replaced_by, debug_names_replaced_by,
8489         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
8490         delete_update_ssa, create_new_def_for,
8491         register_new_name_mapping, mark_sym_for_renaming,
8492         mark_set_for_renaming, need_ssa_update_p,
8493         name_registered_for_update_p, ssa_names_to_replace,
8494         release_ssa_name_after_update_ssa,
8495         insert_updated_phi_nodes_for, update_ssa): New.
8496         * tree-loop-linear.c (linear_transform_loops): Call
8497         update_ssa instead of rewrite_into_ssa.
8498         * tree-optimize.c (vars_to_rename): Remove.
8499         Update all users.
8500         (init_tree_optimization_passes): Replace
8501         pass_redundant_phi with pass_copy_prop.
8502         Add pass_vrp.
8503         Replace pass_ccp with pass_store_ccp.
8504         Add pass_store_copy_prop after pass_store_ccp.
8505         (execute_todo): If the TODO_ flags don't include updating
8506         the SSA form, assert that it does not need to be updated.
8507         Call update_ssa instead of rewrite_into_ssa and
8508         rewrite_def_def_chains.
8509         If TODO_verify_loops is set, call verify_loop_closed_ssa.
8510         (tree_rest_of_compilation):
8511         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
8512         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
8513         TODO_cleanup_cfg): Renumber.
8514         (TODO_verify_loops, TODO_update_ssa,
8515         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
8516         TODO_update_ssa_only_virtuals): Define.
8517         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
8518         Declare.
8519         * tree-phinodes.c (make_phi_node): Update documentation.
8520         (remove_all_phi_nodes_for): Remove.
8521         (find_phi_node_for): New.
8522         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
8523         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
8524         (interpret_rhs_modify_expr): Likewise.
8525         * tree-sra.c (decide_instantiations): Mark all symbols in
8526         SRA_CANDIDATES for renaming.
8527         (mark_all_v_defs_1): Rename from mark_all_v_defs.
8528         (mark_all_v_defs): New function.  Update all users to call it
8529         with the whole list of scalarized statements, not just the
8530         first one.
8531         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
8532         (compute_flow_insensitive_aliasing): If the tag is
8533         unmodifiable and the variable isn't or vice-versa, don't
8534         make them alias of each other.
8535         (setup_pointers_and_addressables): If the type tag for
8536         VAR is about to change, mark the old one for renaming.
8537         (add_type_alias): New.
8538         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
8539         (ccp_lattice_t): Rename from latticevalue.
8540         (value): Remove.  Update all users.
8541         (const_val): New local variable.
8542         (do_store_ccp): New local variable.
8543         (dump_lattice_value): Handle UNINITIALIZED.
8544         (debug_lattice_value): New.
8545         (get_default_value): Re-write.
8546         (set_lattice_value): Re-write.
8547         (def_to_varying): Remove.  Update all users.
8548         (likely_value): Return VARYING for statements that make
8549         stores when STORE_CCP is false.
8550         Return VARYING for any statement other than MODIFY_EXPR,
8551         COND_EXPR and SWITCH_EXPR.
8552         (ccp_initialize): Re-write.
8553         (replace_uses_in, replace_vuse_in, substitute_and_fold):
8554         Move to tree-ssa-propagate.c.
8555         (ccp_lattice_meet): Handle memory stores when
8556         DO_STORE_CCP is true.
8557         (ccp_visit_phi_node): Likewise.
8558         (ccp_fold): Likewise.
8559         (evaluate_stmt): Likewise.
8560         (visit_assignment): Likewise.
8561         (ccp_visit_stmt): Likewise.
8562         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
8563         into DO_STORE_CCP.
8564         (do_ssa_ccp): New.
8565         (pass_ccp): Use it.
8566         (do_ssa_store_ccp): New.
8567         (gate_store_ccp): New.
8568         (pass_store_ccp): Declare.
8569         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
8570         (may_propagate_copy): Reformat.
8571         Don't abort if ORIG is a virtual and DEST isn't.
8572         If NEW does not have alias information but DEST does,
8573         copy it.
8574         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
8575         copy_prop_kind, which_copy_prop): Declare.
8576         (stmt_may_generate_copy, get_copy_of_val,
8577         get_last_copy_of, set_copy_of_val, dump_copy_of,
8578         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
8579         copy_prop_visit_stmt, copy_prop_visit_phi_node,
8580         init_copy_prop, fini_copy_prop, execute_copy_prop,
8581         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
8582         store_copy_prop): New.
8583         (pass_copy_prop, pass_store_copy_prop): Declare.
8584         * tree-ssa-dom.c (struct opt_stats_d): Add fields
8585         'num_const_prop' and 'num_copy_prop'.
8586         (cprop_operand): Update them.
8587         (dump_dominator_optimization_stats): Dump them.
8588         (tree_ssa_dominator_optimize): Call update_ssa instead of
8589         rewrite_into_ssa.
8590         (loop_depth_of_name): Declare extern.
8591         (simplify_cond_and_lookup_avail_expr): Guard against NULL
8592         values for LOW or HIGH.
8593         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
8594         (record_equivalences_from_stmt): Call expr_computes_nonzero.
8595         (cprop_operand): Only propagate if VAL != OP.
8596         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
8597         statement for renaming.
8598         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
8599         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
8600         add_type_alias if necessary.
8601         Call mark_new_vars_to_rename.
8602         (tree_ssa_iv_optimize): If new symbols need to be renamed,
8603         mark every statement updated, call update_ssa and
8604         rewrite_into_loop_closed_ssa.
8605         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
8606         from LIVEIN if VAR is a virtual.
8607         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
8608         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
8609         (get_call_expr_operands): Reformat statement.
8610         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
8611         symbols.
8612         * tree-ssa-propagate.c (ssa_prop_init): Initialize
8613         SSA_NAME_VALUE for every name.
8614         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
8615         get_value_loaded_by): New.
8616         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
8617         substitute_and_fold): Move from tree-ssa-ccp.c.
8618         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
8619         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
8620         get_value_loaded_by, replace_uses_in, substitute_and_fold):
8621         Declare.
8622         * tree-ssa.c (verify_use): Fix error message.
8623         (propagate_into_addr, replace_immediate_uses, get_eq_name,
8624         check_phi_redundancy, kill_redundant_phi_nodes,
8625         pass_redundant_phi): Remove.  Update all users.
8626         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8627         add_type_alias, if necessary.
8628         * tree-vectorizer.h (struct _stmt_vect_info): Update
8629         documentation for field 'memtag'.
8630         * tree-vrp.c: New file.
8631         * tree.def (ASSERT_EXPR): Define.
8632         * tree.h (ASSERT_EXPR_VAR): Define.
8633         (ASSERT_EXPR_COND): Define.
8634         (SSA_NAME_VALUE_RANGE): Define.
8635         (struct tree_ssa_name): Add field 'value_range'.
8636         (PHI_REWRITTEN): Remove.
8637         (struct tree_phi_node): Remove field 'rewritten'.
8638         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
8639         -ftree-store-copy-prop): Document.
8640         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
8641         Document usage of update_ssa.
8642
8643 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
8644
8645         PR target/20814
8646         * config/rs6000/predicates.md (altivec_register_operand): Accept
8647         SUBREG.
8648         (and64_operand): Do not limit CONST_INT to mask64_operand.
8649         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
8650         (and_operand): Do not limit CONST_INT to mask_operand.
8651
8652 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
8653
8654         PR rtl-optimization/20466
8655         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
8656         for overlap of the address of each list member.
8657         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
8658
8659 2005-04-08  Mike Stump  <mrs@apple.com>
8660
8661         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
8662
8663         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
8664         instead of 4.
8665
8666 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
8667
8668         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
8669
8670         * function.c (push_function_context_to): Don't set
8671         contains_functions.
8672         * function.h (function): Remove contains_functions.
8673         (current_function_contains_functions): Remove.
8674
8675         * function.h (function): Remove instrument_entry_exit.
8676         (current_function_instrument_entry_exit): Remove.
8677
8678         * function.h (nonlocal_labels): Remove.
8679
8680         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
8681
8682         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
8683         (check_attr_value, write_attr_get, write_expr_attr_cache,
8684         find_attr, make_internal_attr): Don't reference negative_ok or
8685         unsigned_p.
8686         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
8687         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
8688         (ATTR_STATIC): Adjust the value.
8689
8690         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
8691
8692 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
8693
8694         * config/s390/tpf.h (ASM_SPEC): Define.
8695
8696 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
8697
8698         * tree-flow.h: Remove the prototype for
8699         redirect_immediate_uses.
8700         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
8701
8702 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
8703
8704         * arm.c (arm_const_double_by_parts): New function.
8705         * arm-protos.h (arm_const_double_by_parts): Add prototype.
8706         * arm.md (define_split for 64-bit constants): Add another one.
8707
8708 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
8709
8710         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
8711
8712 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8713
8714         * system.h: Revert last change.
8715
8716 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
8717
8718         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
8719         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
8720         (TARGET_SWITCHES): Delete.
8721         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8722         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
8723         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
8724         * config/xtensa/xtensa.opt: New file.
8725
8726 2005-04-08  Ben Elliston  <bje@au.ibm.com>
8727
8728         * config/fp-bit.c: Include L_mul_tf in #endif comment.
8729         * config/fp-bit.h: Tidy comments.
8730
8731 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8732
8733         * system.h: Poison PARAMS.
8734
8735 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
8736
8737         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
8738         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
8739         (TARGET_SWITCHES): Delete.
8740         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
8741         * config/vax/vax.opt: New file.
8742
8743 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
8744
8745         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
8746
8747 2005-04-07  Ian Lance Taylor  <ian@airs.com>
8748
8749         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
8750         define.
8751         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
8752         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
8753         Likewise.
8754
8755 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
8756
8757         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
8758         all immediate uses in PHI nodes.
8759
8760 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
8761
8762         * arm.c (arm_const_double_inline_cost): Handle any constant by
8763         using gen_lowpart and gen_highpart_mode.
8764         (note_invalid_constants): All constants in an RTX with a constraint
8765         that permits memory are now pushed to the constant pool.
8766         (output_move_double): Delete code to handle reg to reg and
8767         constant to reg moves.
8768         (const_double_needs_minipool, output_mov_immediate): Delete.
8769         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
8770         CONST_INT and CONST_VECTOR.
8771         * arm.md (ANY64): New mode macro.
8772         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
8773         (movdf_soft_insn): Split reg-reg and const-reg moves.
8774         (split patterns for 64-bit constant and register moves): New.
8775         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
8776         (cirrus_movdf_hard_insn): Likewise.
8777         * fpa.md (movdf_fpa): Likewise.
8778         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
8779         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
8780         constraints.
8781         (movv2si_internal_2): Likewise.
8782         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
8783         (movdf_vfp): Likewise.
8784         * arm-protos.h (output_mov_immediate): Delete prototype.
8785
8786 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
8787
8788         PR target/20093
8789         * simplify-rtx.c (simplify_unary_operation_1): Check
8790         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
8791
8792 2005-04-06  James E Wilson  <wilson@specifixinc.com>
8793
8794         PR target/20717
8795         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
8796         ADDR_EXPR.
8797
8798 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8799
8800         * coverage.h (GCOV_TYPE_NODE): Delete.
8801         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
8802         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
8803         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
8804         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
8805         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
8806
8807 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8808
8809         PR other/20792
8810         * Makefile.in (gcc.pot): Remove options.c dependency.
8811         * optc-gen.awk: Don't quote help strings with N_().
8812
8813 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
8814
8815         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
8816         the function returns a pointer type.
8817
8818 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
8819
8820         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
8821         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
8822         * doc/invoke.texi: Documnet salias-max-implicit-fields.
8823         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
8824         explicit_uses members.
8825         (get_or_create_used_part_for): Initialize new fields.
8826         (fieldoff_compare): New function.
8827         (create_overlap_variables_for): Count number of fields, use
8828         heuristic to determine whether to create subvars for vars with
8829         only implicit uses.
8830         Sort the field list by offset and avoid creating duplicate SFT's.
8831
8832 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8833
8834         * c.opt (-F): Remove trailing whitespace from help string.
8835         (-finput-charset): Use a tab to separate the switch name and help
8836         string.
8837         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
8838         (-ftree-vectorizer-verbose): Likewise.
8839
8840 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8841
8842         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
8843         a PHI argument where a use occurs instead of all PHI arguments.
8844
8845 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
8846
8847         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
8848         scope.
8849
8850 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8851
8852         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
8853         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
8854         config/bfin/bfin.h: Fix comment typos.
8855
8856 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
8857
8858         * doc/install.texi: Update the URL for Jacks.
8859         * doc/sourcebuild.texi: Likewise.
8860
8861 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8862
8863         PR target/17245
8864         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
8865         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
8866
8867 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8868
8869         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
8870
8871 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8872
8873         * config/v850/v850-protos.h (override_options): Delete.
8874         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
8875         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
8876         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
8877         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
8878         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
8879         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
8880         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
8881         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
8882         (OVERRIDE_OPTIONS): Delete.
8883         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
8884         (small_memory_info): Remove the value field.
8885         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
8886         TARGET_NO_APP_REGS.
8887         * config/v850/v850.c (small_memory): Remove the value field.
8888         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8889         (override_options): Delete.
8890         (v850_handle_memory_option, v850_handle_option): New functions.
8891         * config/v850/v850.opt: New file.
8892
8893 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
8894
8895         * config.host: Add a section for generic hosts, and a subsection
8896         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
8897         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
8898         * config/host-darwin.h: New.
8899         * config/x-darwin: New.
8900         * config/i386/host-i386-darwin.c: New.
8901         * config/i386/x-darwin: New.
8902         * config/rs6000/host-darwin.c: Include host-darwin.h.
8903         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
8904         (darwin_rs6000_gt_pch_use_address): Likewise.
8905         * config/rs6000/x-darwin: Change name of .o built, update
8906         dependencies for changes to rs6000/host-darwin.c.
8907
8908 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8909
8910         PR target/17824
8911         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
8912
8913 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
8914
8915         * tree-vect-analyze.c (vect_analyze_loop_form): Call
8916         split_loop_exit_edge instead of loop_split_edge_with.
8917
8918 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
8919
8920         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
8921         UNSPEC_SET_VSCR): New constants, used throughout.
8922         (*andc3_v4sf): New.
8923         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
8924         Replace with...
8925         (altivec_vspltis<VI_char>): ... this pattern, using
8926         a QImode const_int_operand for the immediate.
8927         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
8928         define_expands.
8929
8930 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8931
8932         PR target/17822
8933         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
8934
8935 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8936
8937         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
8938
8939 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8940
8941         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
8942         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
8943         macros as living in "this file" and not gcc.h.
8944
8945 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8946
8947         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
8948         -ftree-live_range_split.  Perhaps renamed at some point?
8949
8950 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8951
8952         PR target/20625
8953         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
8954         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
8955
8956 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8957
8958         * tree-flow.h (number_of_iterations_cond): Declaration removed.
8959         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
8960         (number_of_iterations_special): New function.
8961         (number_of_iterations_exit): Use number_of_iterations_special.
8962         Use simplify_using_outer_evolutions only at -O3.
8963         (number_of_iterations_cond, tree_simplify_using_condition,
8964         simplify_using_initial_conditions, loop_niter_by_eval,
8965         compare_trees, can_count_iv_in_wider_type_bound,
8966         simplify_using_outer_evolutions): Use fold_build.
8967
8968 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
8969
8970         * doc/install.texi (Configuration): Document --with-java-home.
8971
8972 2005-04-05  Richard Henderson  <rth@redhat.com>
8973
8974         PR target/20342
8975         PR target/20447
8976         * config/i386/i386.c (print_operand): Handle vector zeros.
8977         (ix86_split_to_parts): Handle CONST_VECTOR.
8978         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
8979         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
8980         what modes to tie for MMX and SSE registers.
8981         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
8982         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
8983         to vector modes as well.
8984         * config/i386/predicates.md (const0_operand): Handle VOIDmode
8985         properly as an input mode.
8986
8987 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8988
8989         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
8990
8991 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8992
8993         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
8994
8995 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8996
8997         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
8998         and local functions, set sse_nregs to 8 and float_in_sse.
8999         (function_arg_advance, function_arg): If float_in_sse, pass
9000         SFmode and DFmode arguments in SSE registers.
9001         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
9002
9003         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
9004         of -funit-at-a-time.
9005
9006 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
9007
9008         * config/i386/i386-protos.h (ix86_function_value): Accept two
9009         arguments, like the target macro.
9010         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
9011         * config/i386/i386.c (ix86_function_value): Accept the second
9012         argument of the target macro.
9013         (ix86_function_ok_for_sibcall): Pass a function pointer to
9014         ix86_function_value.
9015         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
9016         call to ix86_value_regno).
9017         (ix86_value_regno): Add support for returning floating point values
9018         in SSE registers.
9019
9020 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
9021
9022         PR tree-optimization/20076
9023         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
9024         that call __builtin_return or __builtin_apply_args.
9025
9026 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
9027
9028         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
9029         Use immediate use iterator.
9030         (stmt_is_bumper_for_loop): Use immediate use iterator.
9031         * predict.c (strip_builtin_expect): Use update_stmt.
9032         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
9033         on all elements of a STATEMENT_LIST.
9034         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
9035         (bsi_remove): Remove imm_use links and mark the stmt as modified.
9036         (bsi_replace): Mark stmt as modified and the update it.
9037         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
9038         (expand_complex_libcal): Call update_stmt.
9039         (expand_complex_comparison): Call mark_stmt_modified.
9040         (expand_complex_operations_1): Call update_stmt_if_modified.
9041         (expand_vector_operations_1): Call mark_stmt_modified.
9042         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
9043         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
9044         add_immediate_use, redirect_immediate_use,
9045         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
9046         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
9047         (mark_new_vars_to_rename): Call update_stmt.
9048         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
9049         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
9050         Ignore PHI nodes.
9051         (unmodify_stmt): Delete.
9052         (update_stmt): New.  Force an update of a stmt.
9053         (update_stmt_if_modified): update a stmt if it is out of date.
9054         (get_stmt_operands): Verify stmt is NOT modified.
9055         (stmt_modified_p): Update comment.
9056         (delink_imm_use): Remove a use node from its immuse list.
9057         (link_imm_use_to_list): Link a use node to a specific list.
9058         (link_imm_use): Link a node to the correct list.
9059         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
9060         it in the correct list, if appropriate.
9061         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
9062         (relink_imm_use): Link a use node in place of another node in a list.
9063         (relink_imm_use_stmt): LInk a node in place of another node, and set
9064         the stmt pointer.
9065         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
9066         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
9067         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
9068         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
9069         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
9070         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
9071         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
9072         (has_zero_uses): New.  Return true if there are no uses of a var.
9073         (has_single_use): New.  Return true if there is only a single use of a
9074         variable.
9075         (single_imm_use): New.  Return the simgle immediate use.
9076         (num_imm_uses): New.  Return the number of immediate uses.
9077         (get_v_must_def_ops): Use is now a pointer.
9078         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
9079         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
9080         the use node.
9081         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
9082         (delink_stmt_imm_use): Delink all immuses from a stmt.
9083         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
9084         * tree-flow.h (struct dataflow_d): Delete.
9085         (immediate_use_iterator_d): New.  Immediate use iterator struct.
9086         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
9087         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
9088         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
9089         iteration.
9090         (struct stmt_ann_d): Remove dataflow_t from struct.
9091         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
9092         (if_convertible_phi_p): Use FAST immuse iterator.
9093         (if_convertible_loop_p): Don't call compute_immediate_uses.
9094         (replace_phi_with_cond_modify_expr): Call update_stmt.
9095         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
9096         update_stmt_if_modified.
9097         (rewrite_all_into_ssa): Initialize ssa operands.
9098         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
9099         compute_immediate_uses.
9100         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
9101         ssa_property is available.
9102         (execute_one_pass):  Change parameters passed to execute_todo.
9103         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
9104         (remove_ssa_form): Call fini_ssa_operands.
9105         (insert_backedge_copies): Delete call to modify_stmt.
9106         * tree-phinodes.c (make_phi_node): Initialize use nodes.
9107         (release_phi_node): Delink any use nodes before releasing.
9108         (resize_phi_node): Relink any use nodes.
9109         (remove_phi_arg_num): Delink the use node.
9110         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
9111         (remove_all_phi_nodes_for): Release phi node first.
9112         * tree-pretty-print.c (dump_generic_node): Print stmt address.
9113         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
9114         (scalarize_use, scalarize_copy): Call update_stmt.
9115         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
9116         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
9117         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
9118         (ccp_initialize): Remove call to compute_immediate_uses.
9119         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
9120         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
9121         stmts.
9122         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
9123         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
9124         (eliminate_redundant_computations): Call mark_stmt_modified.
9125         (cprop_operand): Call mark_stmt_modified.
9126         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
9127         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
9128         (dse_optimize_stmt): Use new immuse interface.
9129         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
9130         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
9131         (substitute_single_use_vars): Use new immuse interface.
9132         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
9133         and compute_immediate_uses.
9134         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
9135         interface.
9136         (rewrite_mem_refs): Call update_stmt.
9137         (determine_lsm): Remove call to compute_imm_uses and free_df.
9138         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
9139         (try_unroll_loop_completely): Call update_stmt.
9140         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
9141         (rewrite_use_compare): Call update_stmt.
9142         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
9143         (rewrite_use) : Call update_stmt.
9144         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
9145         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
9146         update_stmt.
9147         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
9148         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
9149         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
9150         use nodes.
9151         (initialize_vuse_operand): New.  Initialize a vuse operand.
9152         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
9153         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
9154         (finalize_ssa_defs): Use stmt parameter.
9155         (correct_use_link): Ensure a use node is in the correct list, and has
9156         the correct stmt pointer.
9157         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
9158         finalize_ssa_v_must_defs): Also initialize use nodes.
9159         (finalize_ssa_stmt_operands): Pass extra stmt operands.
9160         (build_ssa_operands): Seperate parsing from final operand construction.
9161         (parse_ssa_operands): New.  Parse entry point for operand building.
9162         (swap_tree_operands): New.  Swap 2 tree operands.
9163         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
9164         operands.
9165         (get_expr_operands): Call swap_tree_operands when needed.
9166         (copy_virtual_operands): Use initialize routines for virtual use ops.
9167         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
9168         (verify_abort): New.  Issue imm_use error.
9169         (verify_imm_links): New Verify imm_use links for a var.
9170         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
9171         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
9172         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
9173         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
9174         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
9175         (NULL_USE_OPERAND_P) Define.
9176         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
9177         use node.
9178         (struct vuse_operand_type): New struct.
9179         (SET_USE): Call set_ssa_use_from_ptr.
9180         (USE_STMT): Define.
9181         (PHI_ARG_INDEX_FROM_USE): Define.
9182         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
9183         argument via SET_USE, not PHI_ARG_DEF_TREE.
9184         * tree-ssa-pre.c (eliminate): Call update_stmt.
9185         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
9186         call free_df.
9187         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
9188         (nearest_common_dominator_of_uses): Use imm_use iterator.
9189         (statement_sink_location): Use imm_use iterator and interface.
9190         (execute_sink_code): Don't call compute_immediate_uses or free-df.
9191         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
9192         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
9193         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
9194         (verify_ssa): Ensure no stmt is marked modify after optimization pass
9195         if new parameter is true.
9196         (init_tree_ssa): Don't initialize operand cache here.
9197         (delete_tree_ssa): Don't destroy operand cache here.
9198         (propagate_into_addr): Pass in a use pointer, return true if anything
9199         was changed.
9200         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
9201         (check_phi_redundancy): Use imm_use iterator.
9202         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
9203         free_df.
9204         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
9205         (release_ssa_name): Delink node and all elements in its imm_use list.
9206         * tree-tailcall.c (adjust_return_value): Call update_stmt.
9207         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
9208         * tree-vectorizer.c (need_imm_uses_for): Delete.
9209         (vectorize_loops): Dont call compute_immediate_uses or free_df.
9210         * tree.h (struct ssa_imm_use_d): Define.
9211         (SSA_NAME_IMM_USE_NODE): Define.
9212         (struct tree_ssa_name): Add imm_use node.
9213         (PHI_DF): Delete.
9214         (PHI_ARG_IMM_USE_NODE): Define.
9215         (struct phi_arg_d): Add imm_use node.
9216         (struct tree_phi_node): Remove struct dataflow_d element.
9217         (TDF_STMTADDR): Define.
9218
9219 2005-04-05  Dale Johannesen  <dalej@apple.com>
9220
9221         * doc/invoke.texi (Optimization Options):  Remove
9222         duplicate -fcse-follow-jumps.  Add -fweb.
9223         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
9224         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
9225
9226 2005-04-05  Per Bothner  <per@bothner.com>
9227
9228         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
9229         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
9230         (warn_uninit): Get EXPR_LOCUS from context now instead.
9231         This fixes a USE_MAPPED_LOCATION testsuite failure.
9232
9233         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
9234
9235 2005-04-05  Per Bothner  <per@bothner.com>
9236
9237         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
9238         of the artification 'return 0' in main() to BUILTINS_LOCATION.
9239         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
9240         before warning.
9241
9242 2004-04-05  Devang Patel  <dpatel@apple.com>
9243
9244         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
9245         (lhsr<mode>3): ... new name.
9246         (altivec_vsra<VI_char>): Rename to ..
9247         (ashr<mode>3): ... new name.
9248         * config/rs6000/rs6000.c (builtin_description): Rename shift
9249         operations.
9250
9251 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
9252
9253         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
9254         gen_lowpart_for_combine.
9255         * cse.c (gen_lowpart_if_possible): Move...
9256         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
9257         gen_lowpart_SUBREG.
9258         (gen_lowpart_no_emit_general): Use it.
9259
9260 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9261
9262         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
9263         overriding.
9264
9265 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
9266
9267         * system.h: Fix typo.
9268
9269 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9270
9271         * config/bfin/bfin-modes.def: New file.
9272         * config/bfin/bfin-protos.h: New file.
9273         * config/bfin/bfin.c: New file.
9274         * config/bfin/bfin.h: New file.
9275         * config/bfin/bfin.md: New file.
9276         * config/bfin/bfin.opt: New file.
9277         * config/bfin/crti.s: New file.
9278         * config/bfin/crtn.s: New file.
9279         * config/bfin/elf.h: New file.
9280         * config/bfin/lib1funcs.asm: New file.
9281         * config/bfin/predicates.md: New file.
9282         * config/bfin/t-bfin: New file.
9283         * config/bfin/t-bfin-elf: New file.
9284         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
9285         Document new attributes.
9286         (interrupt, interrupt_handler, saveall): Update documentation for
9287         these attributes.
9288         * doc/install.texi (Specific): Add entry for the Blackfin.
9289         * doc/invoke.texi (Blackfin Options): New section.
9290         * doc/md.texi (Blackfin family): New section to document constraints.
9291         * config.gcc: Add bfin*-* and bfin*-elf configurations.
9292
9293 2005-04-05  Olivier Hainque  <hainque@adacore.com>
9294
9295         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
9296         match what the system unwinder expects.
9297         * config/mips/mips.c (mips_frame_set): If we're saving the return
9298         address register and the dwarf return address column number differs
9299         from the hard register number, adjust the note reg to refer to the
9300         former.
9301
9302 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
9303
9304         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
9305         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
9306         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
9307         (processor_type): New enum.
9308         (mn10300_processor): New variable.
9309         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
9310         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
9311         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
9312         (PROCESSOR_DEFAULT): New macro.
9313         * config/mn10300/mn10300.c (mn10300_processor): New variable.
9314         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9315         (mn10300_handle_option, mn10300_override_options): New functions.
9316         * config/mn10300/mn10300.opt: New file.
9317
9318 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9319             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
9320
9321         PR tree-optimization/19903
9322         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
9323         that don't fit in their type after conversion.
9324
9325 2005-04-05  Uros Bizjak <uros@kss-loka.si>
9326
9327         PR target/20421
9328         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
9329         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
9330         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
9331         flag here. Implement using define_insn_and_split.
9332         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
9333         (frndintxf2_mask_pm_i387): New insn patterns.
9334         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
9335         Do not set ix86_optimize_mode_switching flag.
9336         (ceilsf2, ceildf2, ceilxf2): Same.
9337         (btruncsf2, btruncdf2, btruncxf2): Same.
9338         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
9339
9340 2005-04-05  Ian Lance Taylor  <ian@airs.com>
9341
9342         PR debug/9963
9343         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
9344         i386_pe_record_external_function.
9345         (i386_pe_record_external_function): Update declaration.
9346         * config/i386/winnt.c (struct extern_list): Add decl field.
9347         (i386_pe_record_external_function): Add decl parameter.
9348         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
9349         identifier.
9350         * config/i386/i386-protos.h (i386_pe_record_external_function):
9351         Update declaration.
9352
9353 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
9354
9355         * config/m68k/m68k-protos.h: Add a prototype for
9356         valid_dbcc_comparison_p_2.
9357         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
9358         extend_operator, const_uint32_operand, const_sint32_operand,
9359         general_src_operand, nonimmediate_src_operand,
9360         memory_src_operand, post_inc_operand, pre_dec_operand,
9361         pcrel_address): Move to predicates to predicates.md.
9362         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
9363         * config/m68k/m68k.md: Include predicates.md.
9364         * config/m68k/predicates.md: New.
9365
9366 2005-04-04  Roger Sayle  <roger@eyesopen.com>
9367
9368         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
9369
9370         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
9371
9372 2005-04-04  Ian Lance Taylor  <ian@airs.com>
9373
9374         * c-typeck.c (struct c_switch): Rename switch_stmt field to
9375         switch_expr.
9376         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
9377         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
9378         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
9379         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
9380         * c-common.c (c_do_switch_warnings_1): New static function broken
9381         out of c_do_switch_warnings.
9382         (c_do_switch_warnings): Call c_do_switch_warnings_1.
9383         (c_do_switch_expr_warnings): New function.
9384         * c-common.h (c_do_switch_expr_warnings): Declare.
9385
9386 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
9387             Daniel Jacobowitz  <dan@codesourcery.com>
9388
9389         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
9390         trapping divide.
9391         * rtlanal.c (may_trap_p): Same.
9392
9393 2005-04-04  Dale Johannesen  <dalej@apple.com>
9394
9395         * ChangeLog:  remove reference to ChangeLog.12.
9396
9397 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
9398
9399         CRIS epilogue as RTL.
9400         * config/cris/cris.md: Change all 0 in unspec 0 to
9401         CRIS_UNSPEC_PLT.
9402         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
9403         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
9404         patterns.
9405         ("return"): Change to define_expand.  Call cris_expand_return for
9406         actual expansion.
9407         ("*return_expanded"): New pattern.
9408         ("epilogue"): New define_expand.
9409         * config/cris/cris.h (PREDICATE_CODES): Add
9410         cris_load_multiple_op.
9411         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
9412         type.
9413         (enum cris_retinsn_type): New.
9414         (struct machine_function): New member return_type.
9415         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
9416         (cris_target_asm_function_epilogue): Remove, moving RTLified
9417         contents to...
9418         (cris_expand_epilogue): New function.
9419         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
9420         (cris_gen_movem_load, cris_load_multiple_op)
9421         (cris_return_address_on_stack_for_return, cris_expand_return): New
9422         functions.
9423         (cris_target_asm_function_prologue)
9424         (cris_initial_frame_pointer_offset): Call
9425         cris_reg_saved_in_regsave_area instead of complicated expression.
9426         Call cris_return_address_on_stack instead of an expression.
9427         (cris_print_operand) <case 'o', case 'O'>: New cases.
9428         (cris_return_address_on_stack): Change return-type to bool.
9429         (cris_simple_epilogue): Ditto.  Return false if registers are
9430         saved.
9431         * config/cris/cris-protos.h (cris_simple_epilogue)
9432         (cris_return_address_on_stack): Adjust prototype return type.
9433         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
9434         (cris_return_address_on_stack_for_return): New prototypes.
9435
9436 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9437
9438         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
9439         gpr_or_int12_operand.
9440
9441         * config/frv/frv-protos.h: Add a prototype to
9442         frv_legitimate_memory_operand and frv_const_unspec_p.
9443         (frv_unspec): Move from frv.c.
9444         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
9445         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
9446         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
9447         gpr_or_fpr_operand, gpr_or_int12_operand,
9448         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
9449         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
9450         int6_operand, int5_operand, uint5_operand, uint4_operand,
9451         uint1_operand, int_2word_operand, uint16_operand,
9452         upper_int16_operand, integer_register_operand,
9453         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
9454         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
9455         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
9456         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
9457         move_destination_operand, movcc_fp_destination_operand,
9458         frv_function_symbol_referenced_p, move_source_operand,
9459         condexec_dest_operand, condexec_source_operand,
9460         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
9461         const_unspec_operand, gpr_or_memory_operand,
9462         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
9463         icc_operand, fcc_operand, cc_operand, icr_operand,
9464         fcr_operand, cr_operand, call_operand, sibcall_operand,
9465         symbolic_operand, relational_operator,
9466         integer_relational_operator, float_relational_operator,
9467         ccr_eqne_operator, minmax_operator,
9468         condexec_si_binary_operator, condexec_si_media_operator,
9469         condexec_si_divide_operator, condexec_si_unary_operator,
9470         condexec_sf_conv_operator, condexec_sf_add_operator,
9471         condexec_memory_operand, intop_compare_operator, acc_operand,
9472         even_acc_operand, quad_acc_operand, accg_operand: Move to
9473         predicates.md.
9474         * config/frv/frv.h (PREDICATE_CODES): Remove.
9475         * config/frv/frv.md: Include predicates.md.
9476         * config/frv/predicates.md: New.
9477
9478 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
9479
9480         PR target/19537
9481         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
9482         * tree-ssa-loop-ivopts.c: Include langhooks.h.
9483         (add_standard_iv_candidates_for_size): New function, extracting code
9484         from add_standard_iv_candidates and parameterizing it by type size.
9485         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
9486
9487 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
9488
9489         * system.h (GCOV_SIZE_TYPE): Unposion.
9490         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
9491         (GCOV_TYPE_SIZE): ...this new macro.
9492         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
9493         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
9494         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
9495         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
9496         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
9497         instead of unsigned_intSI_type_node.
9498         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
9499         (rtl_gen_one_value_profiler_no_edge_manipulation)
9500         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
9501         * value-prof.c: Include coverage.h.
9502
9503 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
9504             Diego Novillo <dnovillo@redhat.com>
9505
9506         Fix PR tree-optimization/20703
9507         Fix PR tree-optimization/20725
9508
9509         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
9510         (create_expression_by_pieces): Ditto.
9511         (valid_in_set): Ditto. Also handle tcc_declaration.
9512         (find_or_generate_expression): Handle comparison class.
9513         (insert_into_preds_of_block): Ditto.
9514         (insert_aux): Ditto.
9515         (create_value_expr_from): Handle comparison class, recursively
9516         handle reference nodes.
9517         (compute_avail): Handle comparison classes, rewrite a little cleaner.
9518         (execute_pre): Fix spacing.
9519         (do_fre): Renamed to execute_fre.
9520
9521 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9522
9523         * doc/invoke.texi (SPARC options): Document that
9524         -mlittle-endian is not supported on Linux either.
9525
9526 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9527
9528         PR target/4198
9529         PR target/12027
9530         * config.gcc (Obsolete configurations): Remove
9531         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
9532         (sparclite-*-coff*): Delete.
9533         (sparclite-*-elf*): Likewise.
9534         (sparc86x-*-elf*): Likewise.
9535         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
9536         * config/sparc/lite.h: Delete.
9537         * config/sparc/litecoff.h: Likewise.
9538         * config/sparc/liteelf.h: Likewise.
9539         * config/sparc/sp86x-elf.h: Likewise.
9540         * config/sparc/t-sparclite: Likewise.
9541         * config/sparc/t-sp86x: Likewise.
9542
9543 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
9544
9545         * config/s390/s390-protos.h: (s390_comparison,
9546         s390_alc_comparison, s390_slb_comparison, const0_operand,
9547         consttable_operand, larl_operand, s_operand,
9548         shift_count_operand, bras_sym_operand, load_multiple_operation,
9549         store_multiple_operation, s390_plus_operand): Remove prototypes.
9550         (s390_legitimate_address_without_index_p): New prototype.
9551         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
9552         to s390.h.
9553         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
9554         const0_operand, consttable_operand, larl_operand, s_operand,
9555         shift_count_operand, bras_sym_operand, load_multiple_operation,
9556         store_multiple_operation, s390_plus_operand): Move to
9557         predicates.md.
9558         (check_mode): Remove.
9559         (s390_branch_condition_mask): Remove 'static'. Move prototype to
9560         s390-protos.h.
9561         (s390_legitimate_address_without_index_p): New.
9562         * config/s390/s390.h (PREDICATE_CODES): Remove.
9563         * config/s390/s390.md: Include predicates.md.
9564         * config/s390/predicates.md: New.
9565
9566 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9567
9568         PR target/20446
9569         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
9570         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
9571         (NEED_INDICATE_EXEC_STACK): Define to 1.
9572         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
9573         (NEED_INDICATE_EXEC_STACK): Define to 1.
9574         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
9575         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
9576         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
9577         (pic_helper_emitted_p): New global.
9578         (emit_pic_helper): New function extracted from...
9579         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
9580         Do not call emit_pic_helper if delay_pic_helper is true.
9581         (sparc_expand_prologue): Pass 'false' to load_pic_register.
9582         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
9583         (sparc_file_end): New function.
9584
9585 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9586
9587         * config/mcore/mcore-protos.h: Remove the prototypes for
9588         mcore_arith_reg_operand, mcore_general_movsrc_operand,
9589         mcore_general_movdst_operand, mcore_reload_operand,
9590         mcore_arith_J_operand, mcore_arith_K_operand,
9591         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
9592         mcore_arith_K_S_operand, mcore_arith_imm_operand,
9593         mcore_arith_any_imm_operand, mcore_arith_O_operand,
9594         mcore_literal_K_operand, mcore_addsub_operand,
9595         mcore_compare_operand, mcore_load_multiple_operation,
9596         mcore_store_multiple_operation, mcore_call_address_operand.
9597         Add a prototype for const_ok_for_mcore.
9598         * config/mcore/mcore.c (mcore_call_address_operand,
9599         mcore_general_movsrc_operand, mcore_general_movdst_operand,
9600         mcore_arith_reg_operand, mcore_reload_operand,
9601         mcore_arith_J_operand, mcore_arith_K_operand,
9602         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
9603         mcore_arith_M_operand, mcore_arith_imm_operand,
9604         mcore_arith_any_imm_operand, mcore_arith_O_operand,
9605         mcore_literal_K_operand, mcore_addsub_operand,
9606         mcore_compare_operand, mcore_load_multiple_operation,
9607         mcore_store_multiple_operation): Move to predicates.md.
9608         (const_ok_for_mcore): Export.
9609         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
9610         * config/mcore/mcore.md: Include predicates.md.
9611         * config/mcore/predicates.md: New.
9612
9613         * config/mcore/predicates.md: Fix a comment typo.
9614
9615 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
9616             Adrian Straetling  <straetling@de.ibm.com>
9617
9618         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
9619         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
9620         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
9621         attribute.
9622         ("imul"): Removed from "type" attribute.
9623         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
9624         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
9625         Changed type to imulsi.
9626         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
9627
9628 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9629
9630         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
9631         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
9632         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
9633         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
9634         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
9635         (TARGET_SWITCHES, mcore_stack_increment_string)
9636         (TARGET_OPTIONS): Delete.
9637         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
9638         than *_BIT constants.
9639         (TARGET_8ALIGN): #undef old definition before redefining to 1.
9640         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
9641         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
9642         (mcore_override_options): Delete mcore_stack_increment code.
9643         Change use of M340_BIT to MASK_M340.
9644         * config/mcore/mcore.opt: New file.
9645
9646 2005-04-04  Ian Lance Taylor  <ian@airs.com>
9647
9648         * config/arm/arm.c (replace_symbols_in_block): Remove static
9649         function.
9650
9651 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9652
9653         * config/fr30/fr30-protos.h: Remove the prototypes for
9654         stack_add_operand, add_immediate_operand,
9655         high_register_operand, low_register_operand, call_operand,
9656         di_operand, and nonimmediate_di_operand.
9657         * config/fr30/fr30.c (stack_add_operand,
9658         add_immediate_operand, high_register_operand,
9659         low_register_operand, call_operand, di_operand,
9660         nonimmediate_di_operand): Move to predicates.md.
9661         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
9662         * config/fr30/fr30.md: Include predicates.md.
9663         * config/fr30/predicates.md: New.
9664
9665         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
9666         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
9667         mcore_call_address_operand.
9668
9669         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
9670         general_movsrc_operand.
9671
9672 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
9673
9674         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
9675         after freeing.
9676
9677 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
9678
9679         PR target/14812
9680         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
9681         a negated value.
9682
9683 2005-04-04  Richard Henderson  <rth@redhat.com>
9684             Jakub Jelinek  <jakub@redhat.com>
9685
9686         PR rtl-optimization/16104
9687         * fold-const.c (fold_unary): Fix folding of vector conversions.
9688
9689 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9690
9691         * config.gcc (xstormy16-*-elf): Set extra_options.
9692         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
9693         * config/stormy16/stormy16.opt: New file.
9694
9695 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9696
9697         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
9698         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
9699         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
9700         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
9701         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
9702         (TARGET_UNIX_ASM): Delete.
9703         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
9704         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
9705         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
9706         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9707         * config/pdp11/pdp11.opt: New file.
9708
9709 2005-04-03  Roger Sayle  <roger@eyesopen.com>
9710             Alexandre Oliva  <aoliva@redhat.com>
9711
9712         PR c++/19199
9713         * fold-const.c (non_lvalue): Split tests into...
9714         (maybe_lvalue_p): New function.
9715         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
9716         C++ front-end prior to lowering into gimple form.
9717
9718 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9719
9720         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
9721         BUILT_IN_STRNCASECMP): New.
9722         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
9723         and strndup.
9724
9725 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
9726
9727         PR target/14812
9728         * arm.md (addsi3_compare0_for_combiner): Delete.
9729         (addsi3_compare0_scratch_for_combiner): Delete.
9730         (cmpsi_neg_shiftsi): Delete.
9731         (compare_negsi_si): New pattern.
9732         (cmpsi_negshiftsi_si): New pattern.
9733         (negated_cbranchsi4): Restrict to equality_operator.
9734
9735         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
9736         template.
9737
9738 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9739
9740         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
9741         Fix comment typos.
9742
9743         * doc/install.texi: Fix a typo.
9744
9745 2005-04-03  Steven Bosscher  <stevenb@suse.de>
9746
9747         PR middle-end/20648
9748         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
9749         a computed goto if the edge to the computed goto block has
9750         incoming abnormal edges.  Clarify how the function works.
9751
9752 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
9753
9754         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
9755         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
9756         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
9757         hash_scan_set, reg_set_between_after_reload_p,
9758         reg_used_between_after_reload_p, get_avail_load_store_reg,
9759         eliminate_partially_redundant_load): Likewise.
9760         * postreload.c (reload_cse_simplify_set,
9761         reload_combine_note_use): Likewise.
9762         * predict.c (predict_insn, expected_value_to_br_prob,
9763         propagate_freq, expensive_function_p): Likewise.
9764         * print-rtl.c (print_rtx): Likewise.
9765         * profile.c (instrument_edges, instrument_values,
9766         compute_branch_probabilities, branch_prob, union_groups,
9767         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
9768         * protoize.c (in_system_include_dir, file_could_be_converted,
9769         file_normally_convertible, gen_aux_info_file, seek_to_line,
9770         do_cleaning): Likewise.
9771         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
9772         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
9773         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
9774
9775 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9776
9777         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
9778         * modulo-sched.c (undo_replace_buff_elem): New structure.
9779         (kernel_number_of_cycles, ps_unschedule_node,
9780         undo_generate_reg_moves,free_undo_replace_buff,
9781         undo_permute_partial_schedule,  loop_single_full_bb_p,
9782         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
9783         build_loops_structure, get_sched_window): New.
9784         (generate_reg_moves): Return undo_replace_buff_elem and other
9785         fixes.
9786         (generate_prolog_epilog): Remove old loop versioning.
9787         (sms_schedule): Use loop information and loop_version.
9788         (sms_schedule_by_order): Split part of it to get_sched_window.
9789         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
9790         cfg_layout_finalize and free_dominance_info before/after SMS.
9791
9792 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9793
9794         * cfghooks.c (lv_flush_pending_stmts,
9795         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
9796         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
9797         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
9798         lv_add_condition_to_bb,
9799         lv_adjust_loop_header_phi, extract_cond_bb_edges,
9800         flush_pending_stmts): New in cfg_hooks structure.
9801         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
9802         extract_cond_bb_edges, lv_adjust_loop_header_phi,
9803         lv_add_condition_to_bb): New declarations.
9804         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
9805         bool.
9806         (loop_version): Declare.
9807         * cfgloopmanip.c (cfghooks.h): Include.
9808         (duplicate_loop_to_header_edge): Change return type to bool.
9809         (loop_version, lv_adjust_loop_entry_edge): Move here.
9810         * cfgrtl.c (cfgloop.h): Include.
9811         (rtl_verify_flow_info_1): Fix.
9812         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
9813         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
9814         initialization.
9815         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
9816         tree_lv_add_condition_to_bb): New.
9817         (tree_cfg_hooks): Add new hooks to initialization.
9818         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
9819         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
9820
9821 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9822
9823         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
9824         xstormy16_below100_or_register,
9825         xstormy16_splittable_below100_or_register, and
9826         nonimmediate_nonstack_operand.
9827
9828         * config/stormy16/stormy16-protos.h: Remove the prototypes for
9829         xstormy16_ineqsi_operator, equality_operator,
9830         inequality_operator, shift_operator,
9831         xstormy16_below100_operand, xstormy16_below100_or_register,
9832         xstormy16_splittable_below100_or_register,
9833         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
9834         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
9835         equality_operator, inequality_operator,
9836         xstormy16_below100_operand, xstormy16_below100_or_register,
9837         xstormy16_splittable_below100_or_register,
9838         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
9839         nonimmediate_nonstack_operand, shift_operator): Move to
9840         predicates.md.
9841         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
9842         * config/stormy16/stormy16.md: Include predicates.md.
9843         * config/stormy16/predicates.md: New.
9844
9845 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9846
9847         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
9848         small_int, large_int, reg_or_0_operand, simple_memory_operand,
9849         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
9850         move_operand, power_of_2_operand): Move to predicates.md.
9851         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
9852         PREDICATE_CODE): Remove.
9853         * config/iq2000/iq2000.md: Include predicates.md.
9854         * config/iq2000/predicates.md: New.
9855
9856 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
9857
9858         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
9859         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
9860         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
9861         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
9862         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
9863         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
9864         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
9865         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9866         (TARGET_M68HC11): Delete.
9867         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
9868         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
9869         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
9870         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9871         (nb_soft_regs): Delete.
9872         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
9873         (m68hc11_override_options): Remove the code that caters for MASK_M6811
9874         and MASK_M6812 being set simultaneously.  Change the code that sets
9875         the default m68hc11_soft_reg_count to use integers instead of strings.
9876         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
9877         m68hc11_soft_reg_count (which now has an int type) as the number
9878         of soft registers.
9879         * config/m68hc11/m68hc11.opt: New file.
9880
9881 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9882
9883         * config/fr30/fr30.h (PREDICATE_CODES): Remove
9884         fp_displacement_operand, sp_displacement_operand.
9885
9886         * config/m68hc11/m68hc11-protos.h: Add a prototype for
9887         m68hcc_auto_inc_p.
9888         Remove the prototypes for tst_operand, cmp_operand,
9889         stack_register_operand, d_register_operand,
9890         hard_addr_reg_operand, splitable_operand,
9891         m68hc11_logical_operator, m68hc11_arith_operator,
9892         m68hc11_non_shift_operator, m68hc11_shift_operator,
9893         m68hc11_unary_operator, m68hc11_eq_compare_operator,
9894         non_push_operand, hard_reg_operand, and
9895         reg_or_some_mem_operand.
9896         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
9897         extern.
9898         (tst_operand, cmp_operand, non_push_operand,
9899         splitable_operand, reg_or_some_mem_operand,
9900         stack_register_operand, d_register_operand,
9901         hard_addr_reg_operand, hard_reg_operand,
9902         m68hc11_eq_compare_operator, m68hc11_logical_operator,
9903         m68hc11_arith_operator, m68hc11_non_shift_operator,
9904         m68hc11_shift_operator, m68hc11_unary_operator): Move to
9905         predicates.md.
9906         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
9907         * config/m68hc11/m68hc11.md: Include predicates.md.
9908         * config/m68hc11/predicates.md: New.
9909
9910 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9911
9912         PR debug/19345
9913         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
9914         change checked in along with 2005-03-03's patch for debug/20253.
9915         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
9916         (remap_decl): Insert type decl in map earlier.
9917
9918 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9919
9920         PR tree-optimization/20640
9921         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
9922         post-dominator if it has phi nodes.
9923         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
9924         before dead statements.
9925
9926 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9927
9928         PR middle-end/20491
9929         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
9930
9931 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9932
9933         PR rtl-optimization/20290
9934         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
9935         in every iteration if the entry point is the exit test.
9936
9937 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
9938
9939         * config/cris/cris.md (attribute "length"): Define.
9940
9941 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
9942
9943         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
9944         (word_offset_memref_operand): New.
9945         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
9946         (indexed_or_indirect_operand): Delete.
9947         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
9948         (indexed_or_indirect_operand): Delete.
9949
9950         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
9951
9952         PR 20650
9953         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
9954         a register.
9955
9956         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
9957         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
9958
9959 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9960
9961         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
9962
9963 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9964
9965         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
9966         (rus, prus): Remove static variables.
9967         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
9968         (process_command): Permit report_times and use_pipes together.
9969
9970 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9971
9972         * c-decl.c (validate_proto_after_old_defn): Look at
9973         TYPE_MAIN_VARIANT of argument types.
9974
9975 2005-04-01  Paul Brook  <paul@codesourcery.com>
9976
9977         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
9978         (arm_output_function_epilogue): Allow call_via_SP.
9979         (thumb_call_via_reg, arm_file_end): Ditto.
9980         * config/arm/arm.h (struct machine_function): Include space for SP.
9981         (thumb_call_via_label): Update declaration.
9982
9983 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9984
9985         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
9986         doing a peephole optimization, once again put any notes in the
9987         proper position.
9988
9989 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9990
9991         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
9992
9993 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9994
9995         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
9996         (block_alloc, find_free_reg): Likewise.
9997         * loop-doloop.c (doloop_modify): Likewise.
9998         * loop-invariant.c (record_use): Likewise.
9999         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
10000         get_iv_value, canon_condition, eliminate_implied_condition,
10001         eliminate_implied_condition, simplify_using_initial_values,
10002         shorten_into_mode, canonicalize_iv_subregs,
10003         iv_number_of_iterations): Likewise.
10004         * loop-unroll.c (expand_var_during_unrolling): Likewise.
10005         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
10006         unswitch_loop): Likewise.
10007         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
10008         move_movables, replace_call_address, find_and_verify_loops,
10009         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
10010         record_giv, final_giv_value, general_induction_var,
10011         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
10012         loop_giv_dump): Likewise.
10013
10014         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
10015         GCOV_CHECK_WRITING): Remove.
10016         (gcov_position, gcov_rewrite): Use gcc_assert.
10017         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
10018         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
10019         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
10020         gcc_assert.
10021
10022 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10023
10024         * tree-inline.c: Fix a typo.
10025
10026 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
10027
10028         * configure.ac (enable-checking): Explicitly set all variables for
10029         collective switch values.  Alphabetize variables. Rename
10030         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
10031         synonym for 'no'.
10032         * doc/install.texi (enable-checking): Update documentation.
10033         * configure: Rebuilt.
10034
10035 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10036
10037         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
10038         possible.
10039
10040 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
10041
10042         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
10043         Also reject cases where this pattern will cause load delay stalls
10044         unless optimizing for size and it will produce a shorter sequence.
10045         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
10046         variants to avoid pre-adjusting the base when possible.
10047
10048 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
10049
10050         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
10051         the frame and argument pointers.
10052         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
10053         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
10054         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
10055         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
10056         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
10057         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
10058
10059 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
10060
10061         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
10062         with entry for selectany attribute.
10063         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
10064         Declare.
10065         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
10066         (i386_pe_asm_named_section): Handle sections generated by
10067         selectany attribute.
10068         * doc/extend.texi (selectany): Document attribute.
10069
10070 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
10071             Jan Hubicka  <jh@suse.cz>
10072
10073         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
10074         to fix addresses involving EBP and ESP.
10075         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
10076         for SUBREGed registers.
10077         (legitimate_address_p): Accept SUBREGed registers.
10078
10079 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
10080
10081         PR c++/19406
10082         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
10083         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
10084         for FIELD_DECLs.
10085
10086 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10087
10088         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
10089
10090 2005-04-01  James E Wilson  <wilson@specifixinc.com>
10091
10092         PR c++/20505
10093         * dwarf2out.c (rtl_for_decl_init): New function.
10094         (rtl_for_decl_location): Extracted from here.
10095         (tree_add_const_value_attribute): Call rtl_for_decl_init and
10096         add_const_value_attribute.  Delete initializer_constant_valid_p call.
10097
10098 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10099
10100         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
10101         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
10102         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
10103         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
10104         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
10105         config/i386/i386.md, config/rs6000/predicates.md,
10106         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
10107         config/s390/s390.c, config/stormy16/stormy16.c,
10108         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
10109         typos.
10110
10111 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
10112
10113         PR c/17855
10114         * gimplify.c (gimplify_expr): Create a temporary for lvalue
10115         COND_EXPR and CALL_EXPR.
10116
10117 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
10118
10119         PR target/20632
10120         * genautomata.c (first_cycle_unit_presence): Check all alternative
10121         states for unit presence.
10122
10123         * doc/md.texi: Remove remark about impossibility to query unit
10124         presence in non nondeterministic automaton state.
10125
10126         * config/ia64/ia64.c (get_template): Change order of unit querying.
10127
10128 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10129
10130         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
10131         obsolete comment.
10132
10133 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
10134
10135         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
10136         flag for edges outside any loops.
10137
10138 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
10139
10140         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
10141
10142 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10143
10144         * tree-ssa-alias.c: Follow spelling conventions.
10145         * doc/tree-ssa.texi: Fix a typo.
10146
10147 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
10148
10149         * postreload-gcse.c: Include target.h.
10150         (gcse_after_reload_main): Return early if we cannot modify jumps.
10151         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
10152
10153 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
10154
10155         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
10156         expensive operations.
10157
10158 2005-03-31  Ian Lance Taylor  <ian@airs.com>
10159
10160         * collect2.c (lderrout): New variable.
10161         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
10162         if it is set, to stderr.
10163         (handler): Unlink lderrout if it is set.
10164         (dump_file): Add "to" parameter.  Change all callers.
10165         (main): Initialize lderrout.
10166         (collect_execute): Add errname parameter.  Change all callers.
10167         Rename redir parameter to outname.  Never pass
10168         PEX_STDERR_TO_STDOUT to pex_run.
10169         * collect2.h (collect_execute, dump_file): Update declarations.
10170         * tlink.c (tlink_execute): Add errname parameter.  Change all
10171         callers.
10172         (do_tlink): Check lderrout as well as ldout.
10173
10174 2005-03-31  Caroline Tice  <ctice@apple.com>
10175
10176         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
10177         (bb-reorder.o): Add errors.h to list of requirements.
10178         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
10179         profiledbootstrap flags.
10180         * bb-reorder.c (errors.h): Add new include.
10181         (struct bbro_basic_block_data_def): Add new field, in_trace.
10182         (add_unlikely_executed_notes):  Remove function.
10183         (mark_bb_for_unlikely_executed_section): Remove function.
10184         (insert_section_boundary_note): New function.
10185         (verify_hot_cold_block_grouping): New function.
10186         (push_to_next_round_p): Remove variables and tests that push all
10187         cold blocks to last round.
10188         (find_traces): Remove code that added extra round of trace finding
10189         when doing partitioning.
10190         (find_traces_1_round) :  Remove variable last_round;  add code to
10191         update new struct field, in_trace; correct trace_length where it was
10192         incorrect before (after call to copy_bb); change code that pushed all
10193         cold blocks to last round. Instead verify that all blocks going into
10194         a trace belong in the same partition.
10195         (connect_traces): Modify to connect the traces in two passes, if the
10196         function contains both hot and cold blocks.  The first pass connects
10197         all the traces for blocks in the partition that the first block in
10198         the function belongs to; the second pass connnects all the traces
10199         containing blocks that belong in the other partition.
10200         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
10201         code that automatically put the first block in a function into the
10202         hot partition if the function had any hot blocks.
10203         (fix_crossing_unconditional_branches): Check number of succ edges
10204         before attempting to get one.
10205         (fix_edges_for_rarely_executed_code):  Update comment describing
10206         function.
10207         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
10208         remove call to add_unlikely_executed_notes; add call to
10209         verify_hot_cold_block_grouping.
10210         (duplicate_computed_gotos): Don't change computed goto if it's a
10211         crossing edge.
10212         (partition_hot_cold_basic_blocks):  Update function comment.
10213         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
10214         condition.
10215         (try_forward_edges): Likewise.
10216         (merge_blocks_move_predecessor_nojumps): Likewise.
10217         (merge_blocks_move_successor_nojumps): Likewise.
10218         (merge_blocks_move): Likewise.
10219         (try_crossjump_bb): Likewise.
10220         * cfglayout.c (update_unlikely_executed_notes): Remove function.
10221         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
10222         notes to cold bb's; remove call to update_unlikely_executed_notes.
10223         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
10224         NOTE_INSN_SWITCH_TEXT_SECTIONS.
10225         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
10226         function declaration.
10227         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
10228         from consideration.
10229         (rtl_can_merge_blocks): Remove redundancy from condition.
10230         (try_redirect_by_replacing_jump): Likewise.
10231         (force_nonfallthru_and_redirect): Remove code for adding
10232         UNLIKELY_EXECUTED_CODE notes to cold bb's.
10233         (commit_one_edge_insertion): Likewise.
10234         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
10235         * dbxout.c (FORCE_TEXT): Replace function_section with
10236         current_function_section.
10237         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
10238         function, switch_text_section.
10239         (struct xcoff_debug): Likewise.
10240         (dbxout_function_end): Add code to put out label diffs for both
10241         hot and cold sections.
10242         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
10243         for new debug_hooks funciton, switch_text_section..
10244         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
10245         switch_text_section.
10246         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
10247         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
10248         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
10249         dw_fde_switched_sections.
10250         (output_call_frame_info):  Add test to see if function switches text
10251         sections in the middle; if so, use appropriate extra hot and cold
10252         section labels to compute size deltas for the hot and cold sections.
10253         (dwarf2out_begin_prologue): Add code to initialize new fields in
10254         dw_fde_struct.
10255         (dwarf2out_switch_text_section): New function (invoked through
10256         debug_hook); updates new fields in dw_fde_struct appropriately and
10257         increments separate_line_info_table_in_use.
10258         (dwarf2_debug_hooks): Initialize switch_text_section function to be
10259         dwarf2out_switch_text_section.
10260         (struct var_loc_node): Add new field, section_label.
10261         (output_aranges): Add code to check whether in hot or cold section and
10262         use the appropriate label in calculating deltas.
10263         (output_ranges): Likewise.
10264         (output_line_info): Add code to check which section we're in and
10265         use appropriate hot/cold label.
10266         (add_location_or_constant_value_attribute): Likewise.
10267         (gen_subprogam_die): Modify arange attributes to use correct labels.
10268         (dwarf2out_begin_block): Change call to function_section into call to
10269         current_function_section.
10270         (dwarf2out_end_block): Likewise.
10271         (dwarf2out_source_line): Likewise.
10272         (dwarf2out_var_location): Add code to check whether in hot or cold
10273         section and use the appropriate label.
10274         * except.c (output_function_exception_table): Change call to
10275         function_section into call to current_function_section.
10276         * final.c (profile_function): Likewise.
10277         (scan_ahead_for_unlikely_executed_note): Remove function.
10278         (final_scan_insn):  Remove calls to
10279         scan_ahead_for_unlikely_executed_note, and related code for switching
10280         to cold section, except for the single time
10281         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
10282         debug_hooks->switch_text_sections; replace appropriate calls to
10283         function_section with calls to current_function_section.
10284         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
10285         test_bb to condition.
10286         (find_if_case_2): Likewise.
10287         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
10288         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
10289         * opts.c (decode_options): Change warning about hot/cold partitioning
10290         with exceptionss to inform (so as not to cause bootstrap failures);
10291         remove warning about partitioning with DWARF debug info.
10292         * output.h (current_function_section): Add new function decl.
10293         (insert_section_boundary_note): Likewise.
10294         (enum in_section): Move this declaration here from varasm.c.
10295         (unlikely_section_label): Likewise.
10296         (unlikely_text_section_name): Likewise.
10297         (last_text_section_name): New global variable.
10298         (last_text_section): Likewise.
10299         (hot_section_label): Likewise.
10300         (hot_section_end_label): Likewise.
10301         (cold_section_end_label): Likewise.
10302         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
10303         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
10304         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
10305         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
10306         insn from consideration.
10307         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
10308         switch_text_section.
10309         * varasm.c (basic-block.h): Add new include.
10310         (unlikely_section_label_printed): Remove global variable.
10311         (unlikely_section_label): Make global variable not be static any more.
10312         (unlikely_text_section_name): Likewise.
10313         (hot_section_end_label): New global variable (not static)
10314         (first_function_block_is_cold): Likewise.
10315         (hot_section_label): Likewise.
10316         (cold_section_end_label): Likewise..
10317         (last_text_section): New global variable, not static.
10318         (last_text_section_name): New global variable, not static.
10319         (initialize_cold_section_name): New function.
10320         (enum in_section): Move declaration to output.h.
10321         (text_section): Update last_text_section.
10322         (unlikely_text_section): Replace code to determine cold section name
10323         with call to initialize_cold_section_name; Add code to update
10324         last_text_section; remove code for printing out label.
10325         (named_section_real): Add code to update last_text_section and
10326         last_text_section_name as appropriate.
10327         (function_section): Change test for 'unlikely' to depend on
10328         first_function_block_is_cold (moved old test to
10329         current_function_section).
10330         (current_function_section): New function.
10331         (assemble_start_function): Move code that frees
10332         unlikely_text_section_name; initialize hot_section_end_label;
10333         print hot and cold section labels at the start of the function;
10334         set first_function_block_is_cold, if appropriate; initialize l
10335         ast_text_section; add call to insert_section_boundary_note.
10336         (assemble_end_function):  Add code to write out hot and cold section
10337         end labels.
10338         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
10339         switch_text_section.
10340         * config/darwin.c (machopic_select_section): Replace incorrect
10341         function in base_funs; update reloc for cold sections if necessary.
10342         * config/darwin.h (SECTION_FUNCTION):  Add code to update
10343         last_text_section if appropriate.
10344         (text_unlikely_section): Remove.
10345         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
10346         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
10347         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
10348         partitioning for this architecture.
10349
10350 2005-03-31  Olivier Hainque  <hainque@adacore.com>
10351
10352         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
10353         defined and non-zero.
10354
10355 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10356
10357         PR c++/18644
10358         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
10359         semantics.
10360
10361 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
10362
10363         PR target/20611
10364         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
10365         label operand.  Remove (use (unspec..)).  Don't emit a label on
10366         the offset word.
10367         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
10368         generate inline label for load_toc_v4_PIC_1b.
10369         (rs6000_emit_load_toc_table): Likewise.
10370
10371 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10372
10373         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
10374         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
10375
10376 2005-03-29  Devang Patel  <dpatel@apple.com>
10377
10378         * tree-sra.c (decide_block_copy): Disable scalarization of
10379         sub-elements.
10380
10381 2005-03-30  Stuart Hastings  <stuart@apple.com>
10382             Dale Johannesen  <dalej@apple.com>
10383
10384         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
10385         * print-tree.c (print_node):  Add case STATEMENT_LIST.
10386
10387 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
10388
10389         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
10390         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
10391         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
10392         is given with "powerpc64*" or "all", or when --with-cpu chooses
10393         a 64-bit cpu.
10394
10395 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
10396
10397         PR debug/20268
10398         * dwarf2out.c (add_high_low_attributes): New function, extracted from
10399         gen_lexical_block_die.
10400         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
10401
10402 2005-03-31  Jan Hubicka  <jh@suse.cz>
10403
10404         2004-11-02  Jan Hubicka  <jh@suse.cz>
10405
10406         * cgraph.c (cgraph_varpool_node_name): New function.
10407         (dump_cgraph_varpool_node): New function.
10408         (dump_varpool): New function.
10409         * cgraphunit.c (cgraph_optimize): Dump varpool.
10410
10411         2004-10-16  Jan Hubicka  <jh@suse.cz>
10412
10413         * cgraph.c (decide_is_variable_needed): New function.
10414         (cgraph_varpool_finalize_decl): Use it.
10415         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
10416         unit-at-a-time.
10417         * final.c (output_addr_const): Do not call mark_referenced.
10418         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
10419         always go via cgraph.
10420         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
10421         (check_global_declarations): Ifdef out code clearing DECL_RTL.
10422         * tree-optimize.c (execute_inline): Mark functions called.
10423         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
10424
10425         2004-10-11  Jan Hubicka  <jh@suse.cz>
10426
10427         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
10428         (cgraph_varpool_last_needed_node): New static variable.
10429         (enqueue_needed_varpool_node): Break out from ...; add items to the
10430         end of queue; update first pointers.
10431         (cgraph_varpool_mark_needed_node): ... here.
10432         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
10433         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
10434         * cgraph.h (cgraph_varpool_node): Add analyzed field.
10435         (cgraph_varpool_first_unanalyzed_node): Declare.
10436         * cgraphunit.c: Include output.h.
10437         (cgraph_varpool_analyze_pending_decls): New function.
10438         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
10439         for errors, analyze pending decls.
10440         (cgraph_finalize_compilation_unit): Only analyze decls.
10441         (cgraph_optimize): Assemble the decls after expanding.
10442
10443 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
10444
10445         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
10446         subvars get marked properly in tags for grouping.
10447         (add_pointed_to_var): Mark only actual pointed to
10448         variables/subvars in addresses needed.
10449         (create_overlap_variables_for): Clear call clobbered on original
10450         variable.
10451         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
10452         addresable vars with subvars into list.
10453         * tree-ssa.c (verify_ssa_name): Verify original is not used where
10454         subvar should be.
10455
10456 2005-03-30  Richard Henderson  <rth@redhat.com>
10457
10458         * cgraph.h (struct cgraph_node): Add alias.
10459         * varasm.c (assemble_alias): Set it.
10460         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
10461         avoid calling cgraph_expand_function.
10462
10463 2005-03-30  Tom Tromey  <tromey@redhat.com>
10464
10465         * tree.def (FILE_TYPE): Removed.
10466         * typeclass.h (enum type_class): Removed file_type_class.
10467         * dwarf2out.c (is_base_type): Updated.
10468         (gen_type_die): Likewise.
10469         * dbxout.c (dbxout_type): Updated.
10470         * builtins.c (type_to_class): Updated.
10471         * tree.c (type_contains_placeholder_1): Updated.
10472         * config/sparc/sparc.c (sparc_type_code): Updated.
10473         * config/ia64/ia64.c (hfa_element_mode): Updated.
10474         * expr.c (count_type_elements): Updated.
10475         * stor-layout.c (layout_type): Updated.
10476         * tree-inline.c (remap_type): Updated.
10477         * tree-pretty-print.c (dump_generic_node): Updated.
10478
10479 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
10480
10481         * builtins.c (expand_builtin_powi): Fix mode of
10482         2nd argument to match int.
10483         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
10484         2nd argument type to int.
10485         * libgcc2.c: Change prototype of __powi* functions to use
10486         int.
10487
10488 2005-03-30  Dale Johannesen  <dalej@apple.com>
10489
10490         PR middle-end/19225
10491         * calls.c (expand_call):  Flush pending deferrals before
10492         throwing call.
10493
10494 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
10495
10496         PR c/772
10497         PR c/17913
10498         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
10499         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
10500         c_label_context, label_context_stack): New.
10501         * c-decl.c (define_label): Check for jumps into statement
10502         expressions.  Add label to list of defined labels.
10503         (start_function): Push context on label_context_stack.
10504         (finish_function): Pop context from label_context_stack.
10505         * c-typeck.c (label_context_stack): New.
10506         (c_finish_goto_label): Check for jumps into statement
10507         expressions.  Add label to list of jumped to labels.
10508         (struct c_switch): Add blocked_stmt_expr.
10509         (c_start_case): Initialize it.
10510         (do_case): Check it.
10511         (c_finish_case): Verify !blocked_stmt_expr.
10512         (c_begin_stmt_expr):  Push context on label_context_stack.
10513         Increment blocked_stmt_expr.  Mark labels jumped to from outside
10514         as undefinable.
10515         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
10516         defined in the statement expression and no longer jumpable to.
10517         Mark labels jumped to from just outside the statement expression
10518         as again definable.  Pop context from label_context_stack.
10519         * doc/extend.texi (Statement Exprs): Update.
10520
10521 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
10522
10523         PR c/20368
10524         * c-decl.c (start_function): Check for old_decl being
10525         error_mark_node.
10526
10527 2005-03-30  Ian Lance Taylor  <ian@airs.com>
10528
10529         * final.c (final): Remove prescan parameter.  Change all callers.
10530         (final_scan_insn): Remove prescan parameter.  Change all callers.
10531
10532 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
10533
10534         * tree-vectorizer.c: Fix comment typos.
10535
10536 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
10537
10538         * tree-scalar-evolution.c (instantiate_parameters_1): Return
10539         as soon as a chrec_dont_know is detected.
10540
10541 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
10542
10543         Merge from csl-arm-branch.
10544         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
10545
10546         * tlink.c (recompile_files): Do not assume that "rename" can
10547         overwrite an existing file.
10548
10549 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
10550
10551         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
10552         * gcc/configure: Regenerate.
10553
10554 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
10555
10556         * doc/install.texi: Update binutils requirement for powerpc*-linux.
10557
10558         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
10559
10560         * calls.c (struct arg_data): Update "partial" comment.
10561         (load_register_parameters): Update "nregs" comment.
10562
10563 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10564
10565         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
10566         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
10567         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
10568         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
10569         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
10570         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
10571         than target_flags & 0.
10572         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
10573         (iq2000_arch, iq2000_parse_cpu): Delete.
10574         (TARGET_HANDLE_OPTION): Override default.
10575         (iq2000_handle_option): New function.
10576         (override_options): Remove -march= and -mcpu= handling.
10577         * config/iq2000/iq2000.opt: New file.
10578
10579 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10580
10581         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
10582         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
10583         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
10584         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
10585         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
10586         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
10587         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
10588         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
10589         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
10590         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
10591         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
10592         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
10593         (c4x_rpts_cycles_string, c4x_cpu_version_string)
10594         (TARGET_OPTIONS): Delete.
10595         (c4x_rpts_cycles, c4x_cpu_version): Declare.
10596         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
10597         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
10598         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
10599         (c4x_cpu_version_string): Delete.
10600         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10601         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
10602         equivalent -mcpu= option.
10603         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
10604         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
10605         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
10606         or clearing the appropriate MASK_* bit.
10607         (c4x_file_start): Use c4x_cpu_version.
10608         * config/c4x/c4x.opt: New file.
10609
10610 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10611
10612         * doc/options.texi: Document the new MaskExists flag.
10613         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
10614         if the option has the MaskExists flag.
10615
10616 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10617
10618         * opt-functions.awk (flag_set_p, test_flag): New functions.
10619         (switch_flags): Use them.
10620         * opth-gen.awk: Use flag_set_p to check for flags.
10621         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
10622
10623 2005-03-30  Ian Lance Taylor  <ian@airs.com>
10624
10625         * config.host (i[34567]86-*-mingw32*): Don't set
10626         host_can_use_collect2 to no.
10627
10628 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
10629
10630         PR target/20203
10631         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
10632         Remove convert_memory_address call duplicating that in memory_address.
10633
10634 2005-03-29  Richard Henderson  <rth@redhat.com>
10635
10636         PR c/20519
10637         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
10638         (build_compound_literal): Likewise.  Propagate decl type into the
10639         initializer.
10640         (finish_decl): Likewise.  Use new return value from complete_array_type
10641         for zero sized arrays.
10642         (complete_array_type): Move ...
10643         * c-common.c (complete_array_type): ... here.  Change first argument
10644         to pointer-to-type-node.  Consistently use sizetype for the index
10645         except for zero sized arrays.  Detect zero sized arrays for pedantic
10646         mode diagnostics.  Create a new type node instead of modifying the
10647         old node in place.
10648         * c-tree.h (complete_array_type): Move decl ...
10649         * c-common.h (complete_array_type): ... here.
10650
10651 2005-03-29  Richard Henderson  <rth@redhat.com>
10652
10653         PR tree-opt/19108
10654         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
10655
10656 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
10657
10658         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
10659         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
10660         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
10661         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
10662
10663 2005-03-29  Eric Christopher  <echristo@redhat.com>
10664
10665         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
10666         truthvalue conversion removal.
10667
10668 2005-03-29  Ian Lance Taylor  <ian@airs.com>
10669
10670         PR bootstrap/14316
10671         * collect2.c: Never include <vfork.h>.
10672         (VFORK_STRING, vfork): Don't define.
10673         (pid): Remove global variable.
10674         (handler): Call raise instead of kill (getpid(), ...).
10675         (collect_wait): Add pex parameter.  Change all callers.  Use
10676         pex_get_status rather than pwait.
10677         (do_wait): Add pex parameter.  Change all callers.
10678         (collect_execute): Return struct pex_obj * rather than void.  Use
10679         pex routines rather than pexecute.
10680         (fork_execute): Get pex_obj from collect_execute, and pass it to
10681         do_wait.
10682         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
10683         Only declare quit_handler if SIGQUIT is defined.
10684         (scan_libraries): Likewise.
10685         * collect2.h (collect_execute): Update declaration.
10686         (collect_wait): Update declaration.
10687         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
10688         pass it to collect_wait.
10689
10690 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
10691
10692         PR c/20672
10693         * c-parser.c (c_parser_compound_statement_nostart): Give error
10694         message for EOF instead of just setting parser->error.
10695
10696 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
10697
10698         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
10699         (slpeel_update_phi_nodes_for_guard1): New function.
10700         (slpeel_update_phi_nodes_for_guard2): New function.
10701         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
10702         of slpeel_update_phi_nodes_for_guard.
10703         (vectorize_loops): Remove call to loop_closed_rewrite.
10704         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
10705         assertion.
10706
10707 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
10708
10709         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
10710         (TARGET_LITTLE_ENDIAN): New macro.
10711         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
10712         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
10713         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
10714         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
10715         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
10716         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
10717         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
10718         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
10719         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
10720         (TARGET_OPTIONS): Delete.
10721         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
10722         (CACHE_FLUSH_TRAP): Turn into an integer.
10723         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
10724         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
10725         -mflush-trap is in use.
10726         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
10727         (m32r_cache_flush_trap_string): Delete.
10728         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
10729         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
10730         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
10731         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10732         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
10733         -mmodel= and -msdata= handling from...
10734         (m32r_init): ...here.
10735         * config/m32r/m32r.opt: New file.
10736
10737 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
10738
10739         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
10740         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
10741         * tree-vect-analyze.c (vect_object_analysis): additional parm
10742         pass back a "struct ptr_info_def *" with the points-to info.
10743         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
10744         statement using info returned from vect_object_analysis.
10745         * tree-vect-transform.c (update_vuses_to_preheader): New function.
10746         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
10747         for virtual uses and defs when creating a replacement vector
10748         reference.  Call duplicate_ssa_name_ptr_info to define points-to
10749         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
10750         (vectorizable_store): copy_virtual_operands and update
10751         definition statements.
10752         (vectorizable_load): copy_virtual_operands.  Remove call to
10753         mark_call_clobbered_vars_to_rename for call to "const" builtin.
10754         * tree-vectorizer.c (vectorize_loops): Remove calls to
10755         rewrite_into_ssa and bitmap_clear (vars_to_rename).
10756         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
10757         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
10758         define macro STMT_VINFO_PTR_INFO for use in accessing.
10759         * tree.h add export of duplicate_ssa_name_ptr_info.
10760         * rs6000.c (altivec_init_builtins): Declare builtin function
10761         __builtin_altivec_mask_for_load to be "const".
10762
10763 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
10764
10765         PR middle-end/20622
10766         * cgraph.h (struct cgraph_varpool_node): Add alias field.
10767         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
10768         assemble_variable on aliases.
10769         * varasm.c (assemble_alias): Set node->alias.
10770         * toplev.c (wrapup_global_declarations): Don't call
10771         rest_of_decl_compilation on aliases again.
10772
10773 2005-03-29  Paul Brook  <paul@codesourcery.com>
10774
10775         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
10776         * config/arm/arm.c (arm_dbx_register_number): New function.
10777         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
10778
10779 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
10780
10781         PR middle-end/20263
10782         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
10783         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
10784
10785 2005-03-29  Dale Johannesen <dalej@apple.com>
10786
10787         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
10788         $(TREE_H) and $(COVERAGE_H).
10789         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
10790         * opts.c (common_handle_option): Enable tree-based value transforms.
10791         * toplev.c (process_options): Ditto.
10792         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
10793         refers to references to this type.
10794         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
10795         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
10796         for may_be_more, may_be_less.
10797         (rtl_gen_pow2_profiler): Adjust.
10798         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
10799         (rtl_gen_one_value_profiler): Adjust.
10800         (rtl_gen_const_delta_profiler): Adjust.
10801         * tree-profile.c (tree_gen_interval_profiler): Implement.
10802         (tree_gen_pow2_profiler): Ditto.
10803         (tree_gen_one_value_profiler): Ditto.
10804         (tree_profiling): New.
10805         (pass_tree_profile): Reference it.
10806         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
10807         tree.h, gcov-io.h.
10808         (insn_divmod_values_to_profile): Rename to
10809         rtl_divmod_values_to_profile. Adjust.
10810         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
10811         (insn_prefetch_values_to_profile): Adjust.
10812         (rtl_value_profile_transformations): Adjust.
10813         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
10814         (gen_mod_pow2): Rename to rtl_mod_pow2.
10815         (gen_mod_subtract): Rename to rtl_mod_subtract.
10816         (divmod_fixed_value_transform): Rename to
10817         rtl_divmod_fixed_value_transform.
10818         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
10819         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
10820         (rtl_find_values_to_profile): Adjust.
10821         (tree_value_profile_transformations): Implement.
10822         (tree_divmod_values_to_profile): New.
10823         (tree_values_to_profile): New.
10824         (tree_divmod_fixed_value): New.
10825         (tree_mod_pow2): New.
10826         (tree_mod_subtract): New.
10827         (tree_divmod_fixed_value_transform): New.
10828         (tree_mod_pow2_value_transform): New.
10829         (tree_mod_subtract_transform): New.
10830         (tree_find_values_to_profile): Implement.
10831         * profile.c (instrument_values):  Free histograms.
10832         (compute_value_histograms): Adjust. Implement tree version.
10833
10834 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
10835
10836         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
10837         * config/i386/i386.c (output_fix_trunc): Add new round_mode
10838         variable.  Output "fldcw" depending on round_mode.
10839         * config/i386/i386.md (UNSPEC_FIST): New.
10840         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
10841         New isns patterns to implement lrint and llrint built-ins as x87
10842         intrinsic function.
10843         (fistdi2, fist<mode>2 splitters): New splitters.
10844         (lrint<mode>2): New expanders.
10845
10846 2005-03-28  Ian Lance Taylor  <ian@airs.com>
10847
10848         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
10849         0 when calling final_scan_insn.
10850
10851 2005-03-28  Jan Hubicka  <jh@suse.cz>
10852
10853         PR middle-end/20635
10854         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
10855         as needed.
10856
10857         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
10858         types where possible.
10859
10860 2005-03-26  Per Bothner  <per@bothner.com>
10861
10862         Make -f[no-]show-column also control non-cpp diagnostics.
10863         * c.opt (fshow-column): Move option from here ...
10864         * common.opt (fshow-column): ... to here.
10865         * diagnostic.c (diagnostic_build_prefix): Only print column number
10866         if flag_show_column.
10867
10868 2005-03-27  Steven Bosscher  <stevenb@suse.de>
10869
10870         * vax-protos.h (vax_output_int_move, vax_output_int_add,
10871         vax_output_conditional_branch): New prototypes.
10872         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
10873         extracted from vax.md mov and add patterns.
10874         (vax_output_conditional_branch): New function to output conditional
10875         branch instructions.
10876         * vax.md: Use mode macros for arithmetic and mov patterns.
10877         Use code macros for the jump patterns.
10878
10879 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10880
10881         * Makefile.in (libbackend.o): Depend on version files;
10882         add custom generation command.
10883
10884 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10885
10886         PR target/20636
10887         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
10888         sure that we have a REG before getting its REGNO.
10889
10890 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10891
10892         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
10893         * builtins.def (BUILT_IN_STRNDUP): New.
10894
10895 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
10896
10897         PR tree-optimization/20470
10898         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
10899         ABS(x-y).
10900
10901 2005-03-25  Mike Stump  <mrs@apple.com>
10902
10903         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
10904         sized objects.
10905
10906 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
10907
10908         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
10909         Use our own structure definitions.
10910
10911         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
10912         (fix_truncdfsi2): Allow registers or memory as destination.
10913         When TARGET_PPC_GFXOPT, generate simplified pattern.
10914         (fix_truncdfsi2_internal): Use define_insn_and_split.
10915         (fix_truncdfsi2_internal_gfxopt): New.
10916         (fctiwz): Don't confuse register allocation by giving it no choices.
10917         (stfiwx): New.
10918         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
10919         (EXTRA_MEMORY_CONSTRAINT): Likewise.
10920         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
10921         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
10922
10923 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10924
10925         * dominance.c (free_dominance_info): Speed up by freeing et
10926         data structures without maintaining other nodes.
10927         * et-forest.c (et_free_tree_force): New.
10928         * et-forest.h: Add a prototype for et_free_tree_force.
10929
10930         * tree.c (get_set_constructor_bits,
10931         get_set_constructor_bytes): Remove.
10932         * tree.h: Remove the corresponding prototypes.
10933
10934 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10935
10936         PR target/15491
10937         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
10938         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
10939         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
10940         PRE_DEC, NEG and NOT.
10941
10942 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10943
10944         * fold-const.c: Convert uses of fold (build (...)) to
10945         fold_buildN.
10946
10947 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
10948
10949         PR rtl-optimization/20249
10950         * cse.c (insert_regs): Do not record equivalence of registers in
10951         different modes.
10952
10953 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
10954
10955         * emit-rtl.c (reverse_comparison): Remove.
10956         * rtl.h: Remove the corresponding prototype.
10957
10958 2005-03-24  James E Wilson  <wilson@specifixinc.com>
10959
10960         * doc/install.texi (--enable-altivec): Delete docs.
10961
10962 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
10963
10964         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
10965         SFmode and DFmode before reload when
10966         flag_unsafe_math_optimizations not enabled.
10967
10968 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
10969
10970         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
10971
10972         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
10973         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
10974
10975 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
10976
10977         * configure.ac (enable-checking): Add 'runtime' option.
10978         * doc/install.texi (enable-checking): Document 'runtime' checking.
10979         * tsystem.h (gcc_assert, gcc_unreachable): Define.
10980         * config.in: Regenerated.
10981         * configure: Regenerated.
10982
10983 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
10984
10985         * optabs.h (enum optab_index): Remove OTI_llrint.
10986         (llrint_optab): Remove macro.
10987         * optabs.c (init_optabs): Remove llrint_optab initialization.
10988         * genopinit.c (optabs): Remove llrint_optab implementation.
10989         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
10990         using lrint_optab.
10991
10992 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
10993
10994         PR rtl-optimization/20532
10995         * simplify-rtx.c (simplify_binary_operation_1): Protect from
10996         overflow when adding coefficients for PLUS or MINUS.
10997         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
10998         two as multiplier.
10999
11000 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11001
11002         * langhooks.h (truthvalue_conversion): Remove.
11003         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
11004         LANG_HOOKS_TRUTHVALUE_CONVERSION.
11005         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
11006         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
11007         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
11008
11009 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
11010
11011         * params.def: Fix a typo.
11012         * config/mips/mips.c: Follow the spelling convensions.
11013         * doc/invoke.texi: Fix typos.
11014
11015 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
11016
11017         Fix PR tree-optimization/20601
11018
11019         * tree-ssa-pre.c (insert_aux): Add missing condition to
11020         constification.
11021
11022 2005-03-23  Ian Lance Taylor  <ian@airs.com>
11023
11024         * final.c (final_scan_insn): Don't remove no-op instructions.
11025         * reload1.c (reload): Remove simple no-op instructions even when
11026         not optimizing.
11027
11028 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
11029
11030         PR tree-optimization/20501
11031         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
11032         reporting that peeling for alignment is applied moved to...
11033         * (vect_analyze_data_refs_alignment): Here.
11034
11035 2005-03-23  Ian Lance Taylor  <ian@airs.com>
11036
11037         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
11038
11039 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11040
11041         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
11042         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
11043
11044 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
11045
11046         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
11047         imply that this is called once, independent of asms in code.
11048         Adjust to now being pased output and input lists.  Mention helper
11049         function decl_overlaps_hard_reg_set_p.
11050         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
11051         hook_tree_tree_identity and to take three trees, returning third.
11052         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
11053         prototype.
11054         * stmt.c: include hard-reg-set.h before tree.h.
11055         (decl_overlaps_hard_reg_set_p): New function, broken out from...
11056         (decl_conflicts_with_clobbers_p): Call
11057         decl_overlaps_hard_reg_set_p.
11058         (expand_asm_operands): Pass output and input lists in call to
11059         targetm.md_asm_clobbers.
11060         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
11061         hook_tree_tree_tree_tree_3rd_identity.
11062         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
11063         parameters.
11064         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
11065         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
11066         parameters, first two unused.
11067         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
11068         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
11069         in constraint letters and MOF is not mentioned as a asm-declared
11070         register in neither of the input and output lists.
11071
11072 2005-03-23  DJ Delorie  <dj@redhat.com>
11073
11074         * optabs.c (expand_binop): Make sure the first subword's result
11075         gets stored.
11076
11077 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11078
11079         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
11080         Call c_common_truthvalue_conversion rather than
11081         lang_hooks.truthvalue_conversion.
11082         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
11083         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
11084         c-typeck.c.
11085         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
11086         c_common_truthvalue_conversion.
11087         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
11088         c_parser_conditional_expression, c_parser_binary_expression): Call
11089         c_objc_common_truthvalue_conversion.
11090         * c-typeck.c (build_unary_op): Call
11091         c_objc_common_truthvalue_conversion.
11092         (build_conditional_expr): Do not call
11093         lang_hooks.truthvalue_conversion.
11094         (build_binary_op): Call c_common_truthvalue_conversion.
11095         (c_objc_common_truthvalue_conversion): Moved from
11096         c-objc-common.c.  Call default_function_array_conversion instead
11097         of default_conversion.
11098
11099 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11100
11101         * c-common.h (default_conversion): Remove.
11102         (perform_integral_promotions): Add.
11103         * c-tree.h (default_conversion): Add.
11104         * c-typeck.c (perform_integral_promotions): New, split out from
11105         default_conversion.
11106         * c-common.c (check_case_value): Use perform_integral_promotions,
11107         not default_conversion.
11108         (c_add_case_label): Don't continue processing case label after
11109         found to be pointer.
11110
11111 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
11112
11113         * gcc.c (do_spec_1): Do not add a -L path for a directory in
11114         the prefix list if we have already added a multilib directory
11115         based on that path.
11116         (main): Do not add MD_EXEC_PREFIX to the list of directories to
11117         search with -L.
11118
11119 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
11120
11121         * reload1.c (indirect_symref_ok, reload_obstack): Make them
11122         static.
11123         * reload.h: Remove the prototype for indirect_symref_ok.
11124
11125         * reload1.c (indirect_symref_ok): Make it global.
11126         * reload.h: Add a prototype for indirect_symref_ok.
11127
11128 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11129
11130         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
11131         ashlhi3 expander.
11132
11133 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11134
11135         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
11136
11137 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
11138
11139         * c-opts.c (c_common_parse_file): Only start/end main source file
11140         if debug hooks says the writer wants it.
11141         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
11142         member.
11143         (xcoff_debug_hooks): Ditto.
11144         * debug.c (do_nothing_hooks): Ditto.
11145         * debug.h (gcc_debug_hooks): Ditto.
11146         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
11147         * sdbout.c (sdb_debug_hooks): Ditto.
11148         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
11149
11150 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
11151
11152         * doc/extend.texi: Deprecate C++ min/max operators.
11153
11154 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
11155
11156         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
11157         artificial original candidates.
11158
11159 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
11160             Jan Hubicka  <jh@suse.cz>
11161             Steven Bosscher <stevenb@suse.de>
11162
11163         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
11164         call cost based on argument sizes.
11165         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
11166         inlining.
11167         * params.def: (max-inline-inssn-single): Set to 450.
11168         (max-inline-insns-auto): Set to 90.
11169         (max-inline-insns-recursive): Set to 450
11170         (max-inline-insns-recursive-auto): Set to 450.
11171         (large-function-insns): Set to 2700.
11172         (inline-call-cost): New parameter.
11173         * tree-inline.c (estimate_move_cost): New function.
11174         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
11175         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
11176         based on arguments.
11177         * tree-inline.h (estimate_move_cost): Declare.
11178         * invoke.texi: (max-inline-inssn-single): Change default to 450.
11179         (max-inline-insns-auto): Change default to 90.
11180         (max-inline-insns-recursive): Change default to 450
11181         (max-inline-insns-recursive-auto): Change default to 450.
11182         (large-function-insns): Change default to 2700.
11183         (inline-call-cost): Document new parameter.
11184
11185 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
11186
11187         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
11188         (TARGET_DEFAULT): Delete.
11189         * config/i860/i860.opt: New file.
11190
11191 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
11192
11193         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
11194         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
11195         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
11196         (frv_sched_lookahead): Delete.
11197         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
11198         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
11199         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
11200         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
11201         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
11202         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
11203         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
11204         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
11205         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
11206         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
11207         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
11208         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
11209         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
11210         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
11211         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
11212         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
11213         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
11214         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
11215         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
11216         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
11217         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
11218         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
11219         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
11220         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
11221         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
11222         (frv_sched_lookahead): Delete.
11223         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
11224         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11225         (frv_handle_option): New function.  Move -mcpu= handling from...
11226         (frv_override_options): ...here.  Remove handling of other
11227         TARGET_OPTIONS.
11228         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
11229         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
11230         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
11231         and TARGET_NO_MULTI_CE.
11232         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
11233         !TARGET_VLIW_BRANCH.
11234         * config/frv/frv.opt: New file.
11235
11236 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
11237
11238         * fold-const.c (fold_ternary): Take decomposed arguments of
11239         CALL_EXPR.
11240         (fold): Update a call to fold_ternary.
11241
11242         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
11243         * tree.h: Add corresponding prototypes.
11244
11245 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
11246
11247         PR target/20561
11248         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
11249         between jump table and its label.
11250         * final.c (shorten_branches): Handle notes in between ADDR_VEC
11251         resp. ADDR_DIFF_VEC and the label preceeding it.
11252         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
11253         is emitted in the right section.
11254
11255 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
11256
11257         * fold-const.c (fold_unary, fold_binary): Update comments
11258         about arguments.
11259
11260 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
11261
11262         PR rtl-optimization/20527
11263         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
11264         REG_INC note, test that the register also isn't mentioned in PRED
11265         or SUCC.
11266
11267 2005-03-22  Ben Elliston  <bje@au.ibm.com>
11268
11269         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
11270         and definition.
11271
11272 2005-03-21  Mike Stump  <mrs@apple.com>
11273
11274         * varasm.c (default_assemble_visibility): Remove extra ().
11275
11276 2005-03-21  Roger Sayle  <roger@eyesopen.com>
11277
11278         PR middle-end/20557
11279         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
11280         to determine whether a block can be duplicated, rather than test
11281         whether the block contains noncopyable insns ourselves.
11282
11283 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11284
11285         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
11286         predicates.
11287
11288 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11289
11290         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
11291
11292 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11293
11294         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
11295         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
11296         * config/fr30/fr30.opt: New file.
11297
11298 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
11299
11300         Fix PR tree-optimization/20542
11301
11302         * tree-flow-inline.h (overlap_subvar): Move to here.
11303         * tree-ssa-operands.c: From here.
11304         * tree-flow.h (overlap_subvar): Declare.
11305         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
11306         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
11307         for variables with subvars.
11308
11309 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
11310
11311         PR middle-end/20177
11312         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
11313         * modulo-sched.c (const_iteration_count): Return on NULL
11314         pre-header.
11315         (print_node_sched_params): Return on NULL dump_file.
11316         (generate_reg_moves): Handle reg-anti dependencies and disregard
11317         closing branch when generating register moves.
11318         (sms_schedule): Mark the SMSed block dirty.
11319         * passes.c (rest_of_handle_sms): Call update_life_info for all
11320         basic-blocks.
11321         * testsuite/gcc.dg/20050321-1.c: New test.
11322
11323 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
11324
11325         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
11326         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
11327         movqi_internal): Likewise.
11328
11329 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
11330
11331         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
11332         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
11333         xtensa_b4const): Delete prototypes.
11334         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
11335         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
11336         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
11337         xtensa_extra_constraint): New prototypes.
11338         (add_operand, arith_operand, nonimmed_operand, mem_operand,
11339         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
11340         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
11341         move_operand, const_float_1_operand, fpmem_offset_operand,
11342         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
11343         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
11344         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
11345         argument type to HOST_WIDE_INT.
11346         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
11347         xtensa_mask_immediate): Likewise.
11348         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
11349         Likewise.  Also make these functions static.
11350         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
11351         (xtensa_const_ok_for_letter_p): New.
11352         (add_operand, arith_operand, nonimmed_operand, mem_operand,
11353         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
11354         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
11355         move_operand, const_float_1_operand, fpmem_offset_operand,
11356         branch_operator, ubranch_operator, boolean_operator): Move to
11357         predicates.md.
11358         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
11359         (xtensa_mem_offset): Change return type to bool.
11360         (xtensa_extra_constraint): New.
11361         (gen_int_relational): Update type of const_range_p function pointer.
11362         Use xtensa_b4const_or_zero.
11363         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
11364         xtensa_const_ok_for_letter_p.  Update comments.
11365         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
11366         (PREDICATE_CODES): Delete.
11367         * config/xtensa/xtensa.md: Include predicates.md.
11368         * config/xtensa/predicates.md: New file.
11369
11370 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11371
11372         * config/v850/v850-protos.h: Remove the prototypes for
11373         reg_or_int9_operand, reg_or_const_operand,
11374         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
11375         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
11376         movsi_source_operand, power_of_two_operand,
11377         not_power_of_two_operand, special_symbolref_operand,
11378         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
11379         register_is_ok_for_epilogue.
11380         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
11381         reg_or_int9_operand, reg_or_const_operand,
11382         call_address_operand, special_symbolref_operand,
11383         movsi_source_operand, power_of_two_operand,
11384         not_power_of_two_operand, register_is_ok_for_epilogue,
11385         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
11386         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
11387         predicates.md.
11388         * config/v850/v850.h (PREDICATE_CODES): Remove.
11389         * config/v850/v850.md: Include predicates.md.
11390         * config/v850/predicates.md: New.
11391
11392 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
11393
11394         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
11395         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
11396         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
11397         (itoolsdir, itoolsdatadir): Move definition above new first use.
11398         (install-itoolsdirs): New rule.
11399         (install-mkheaders): Depend on install-itoolsdirs, not
11400         install-include-dir.
11401
11402 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11403
11404         * tree-into-ssa.c: Remove obsolete comments.
11405
11406 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
11407
11408         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
11409         unrolling if -fpeel-loops is specified, too.
11410         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
11411         Remove superfluous check for flag_unroll_loops.
11412
11413 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
11414
11415         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
11416         (lrint_optab, llrint_optab): Define corresponding macros.
11417         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
11418         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
11419         pattern and llrint_optab using llrintdi2 patterns.
11420         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
11421         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
11422         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
11423         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
11424         flag_unsafe_math_optimizations is set.
11425
11426 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
11427
11428         * combine.c (combine_simplify_rtx, simplify_if_then_else,
11429         simplify_logical, if_then_else_cond, known_cond,
11430         simplify_comparison): Adjust calls to reverse_comparison.
11431         Don't use combine_reversed_comparison_code).
11432         (combine_reversed_comparison_code): Remove.
11433         (reversed_comparison): Using reversed_comparison_code, move it...
11434         * jump.c (reversed_comparison): ... here.
11435         * rtl.h (reversed_comparison): Add prototype.
11436
11437 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11438
11439         * builtins.c (fold_builtin): Take decomposed arguments of
11440         CALL_EXPR.
11441         * fold-const.c (fold_ternary): Update a call to fold_builtin.
11442         * gimplify.c (gimplify_call_expr): Likewise.
11443         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
11444         * tree.h: Update the prototype of fold_builtin.
11445
11446 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
11447
11448         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
11449         * rtlhooks.c (gen_lowpart_no_emit_general): New.
11450         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
11451         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
11452         * simplify-rtx.c (simplify_binary_operation_1): Use it.
11453
11454 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11455
11456         * builtins.c (fold_builtin_1): Take decomposed arguments of
11457         CALL_EXPR.
11458         (fold_builtin): Update a call to fold_builtin_1.
11459
11460 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
11461
11462         PR other/20564
11463         * gcov.c (output_lines): Only output function block summary when
11464         outputting branch information.
11465         * doc/gcov.texi: Document format of preamble and additional block
11466         information lines.
11467
11468 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11469
11470         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
11471         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
11472         the defaults false if BITS_PER_UNIT != 8.
11473         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
11474         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
11475         than BITS_PER_UNIT != 8.
11476         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
11477         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
11478         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
11479         #undefs.
11480         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
11481         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
11482
11483 2005-03-20  Roger Sayle  <roger@eyesopen.com>
11484
11485         PR middle-end/20539
11486         * fold-const.c (fold_binary): Fix type mismatch between
11487         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
11488         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
11489         for non-truth-valued expressions.
11490
11491         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
11492         and FUNCTION_DECL in the main switch.
11493         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
11494         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
11495         we also need to convert their operands to match.
11496         <TRUTH_NOT_EXPR>: Likewise.
11497
11498 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
11499
11500         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
11501         diagnostic without checking whether an lvalue.
11502         * c-common.h (lvalue_p): Remove.
11503         (enum lvalue_use): Update comment.
11504         (lvalue_or_else): Replace by lvalue_error.
11505         * c-typeck.c (lvalue_p): Make static.
11506         (lvalue_or_else): New.  Call lvalue_error.
11507
11508 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
11509
11510         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
11511         (function_arg_advance): Use rs6000_parm_start.
11512         (function_arg, rs6000_arg_partial_bytes): Likewise.
11513
11514 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11515
11516         * c-common.c (check_case_value): Adjust comment about stripping
11517         NOPs.
11518         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
11519         * c-typeck.c (default_conversion, convert_arguments,
11520         build_modify_expr, convert_for_assignment, store_init_value,
11521         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
11522         manually.  Remove inaccurate comments.
11523
11524 2005-03-20  Roger Sayle  <roger@eyesopen.com>
11525             Joseph S. Myers  <joseph@codesourcery.com>
11526
11527         * varasm.c (do_assemble_alias): Restore comment describing function.
11528         Annotate the target parameter as potentially unused.
11529
11530 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11531
11532         PR target/18551
11533         * config/avr/avr.c (avr_output_function_prologue): Do not use
11534         current_function_name() in a label, use a local label instead.
11535
11536 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
11537
11538         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
11539         flag_finite_math_only, not flag_unsafe_math_optimizations.
11540
11541 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
11542
11543         * builtins.c (fold_builtin_1): Update a call to
11544         targetm.fold_builtin.
11545         * hooks.c (hook_tree_tree_bool_null): Rename to
11546         hook_tree_tree_tree_bool_null.  Take one more argument of type
11547         tree.
11548         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
11549         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
11550         hook_tree_tree_tree_bool_null.
11551         * target.h (gcc_target): Update the prototype of fold_builtin.
11552         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
11553         arguments of CALL_EXPR.
11554         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
11555         new prototype.
11556
11557 2005-03-20  Jan Hubicka  <jh@suse.cz>
11558
11559         * cgraph.h (cgraph_node): Add prev_clone pointer.
11560         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
11561         (cgraph_clone_node): Produce doubly linked chain.
11562
11563 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11564
11565         * c-common.c (handle_aligned_attribute, check_function_sentinel,
11566         get_nonnull_operand, handle_sentinel_attribute,
11567         check_function_arguments_recurse): Do not strip NOPS from
11568         INTEGER_CSTs.
11569         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
11570         Likewise.
11571         * c-format.c (get_constant): Likewise.
11572         * c-parser.c (c_parser_postfix_expression): Likewise.
11573         * c-typeck.c (set_init_index): Likewise.
11574         (convert_arguments): Don't check for NOP_EXPR containing integer
11575         constant.
11576
11577 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
11578
11579         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
11580         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
11581         Take decomposed arguments of CALL_EXPR.
11582         (fold_builtin_1): Update calls to the functions mentioned
11583         above.
11584
11585 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11586
11587         * c-decl.c (check_bitfield_type_and_width): Require bit-field
11588         width to have integer type.
11589         (build_enumerator): Require enumerator value to have integer type.
11590
11591 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11592
11593         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
11594         to __builtin_inff.
11595
11596 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11597
11598         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
11599         std=iso9899:199x): Correct descriptions.
11600
11601 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11602
11603         * config.gcc: Consistently use solaris2.1[0-9]* instead of
11604         solaris2.1[0-9].
11605
11606 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
11607
11608         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
11609         of CALL_EXPR.
11610         (expand_builtin_memcpy, fold_builtin_1): Update calls to
11611         fold_builtin_memcpy.
11612
11613         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
11614         arguments of CALL_EXPR.
11615         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
11616         fold_builtin_found, fold_builtin_1): Update calls to
11617         fold_trunc_transparent_mathfn.
11618
11619 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11620
11621         PR middle-end/20493
11622         * fold-const.c (fold_widened_comparison): Don't optimize casts of
11623         function pointers on targets that require function pointer
11624         canonicalization.
11625         (fold_sign_changed_comparison): Likewise.
11626
11627 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
11628
11629         * combine.c (try_combine): When changing the mode of a hard reg, make
11630         sure that doing so is valid.
11631
11632 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
11633
11634         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
11635         (TARGET_HANDLE_OPTION): Override default.
11636         (avr_handle_option): New function.
11637         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
11638         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
11639         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
11640         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
11641         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
11642         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
11643         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
11644         (TARGET_OPTIONS): Delete.
11645         * config/avr/avr.opt: New file.
11646
11647 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11648
11649         * config/m32r/m32r-protos.h: Remove the prototypes for
11650         call_address_operand, symbolic_operand, seth_add3_operand,
11651         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
11652         reg_or_uint16_operand, reg_or_cmp_int16_operand,
11653         two_insn_const_operand, move_src_operand,
11654         move_double_src_operand, move_dest_operand,
11655         eqne_comparison_operator, signed_comparison_operator,
11656         large_insn_p, conditional_move_operand, carry_compare_operand,
11657         m32r_block_immediate_operand, extend_operand,
11658         reg_or_eq_int16_operand, int8_operand, and
11659         reg_or_zero_operand.
11660         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
11661         seth_add3_operand, int8_operand, cmp_int16_operand,
11662         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
11663         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
11664         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
11665         move_double_src_operand, move_dest_operand,
11666         eqne_comparison_operator, signed_comparison_operator,
11667         extend_operand, small_insn_p, large_insn_p,
11668         conditional_move_operand, carry_compare_operand,
11669         m32r_block_immediate_operand): Move to predicates.md.
11670         (MAX_MOVE_BYTES): Move to m32r.h.
11671         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
11672         * config/m32r/m32r.md: Include predicates.md.
11673         * config/m32r/predicates.md: New.
11674
11675 2005-03-18  James E Wilson  <wilson@specifixinc.com>
11676
11677         PR c++/19769
11678         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
11679         origin.
11680
11681 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11682
11683         * config/mn10300/mn10300-protos.h: Remove the prototypes for
11684         call_address_operand, const_8bit_operand.
11685         * config/mn10300/mn10300.c (call_address_operand,
11686         const_8bit_operand, const_1f_operand): Move to predicates.md.
11687         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
11688         * config/mn10300/mn10300.md: Include predicates.md.
11689         * config/mn10300/predicates.md: New.
11690
11691 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
11692
11693         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
11694         declarations in diagnostics and %E for identifiers, not %s.
11695
11696 2005-03-18  Jan Hubicka  <jh@suse.cz>
11697             Dale Johannesen  <dalej@apple.com>
11698
11699         * basic-block.h (scale_bbs_frequencies_int,
11700         scale_bbs_frequencies_gcov_type): Declare.
11701         * cfg.c (RDIV): New macro.
11702         (update_bb_frequency_for_threading): Fix.
11703         * basic-block.h (scale_bbs_frequencies_int,
11704         scale_bbs_frequencies_gcov_type): New.
11705         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
11706         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
11707         scale_bbs_frequencies_int.
11708         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
11709
11710 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11711
11712         * config/m32r/m32r-protos.h: Remove the prototypes for
11713         call_address_operand, symbolic_operand, seth_add3_operand,
11714         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
11715         reg_or_uint16_operand, reg_or_cmp_int16_operand,
11716         two_insn_const_operand, move_src_operand,
11717         move_double_src_operand, move_dest_operand,
11718         eqne_comparison_operator, signed_comparison_operator,
11719         large_insn_p, conditional_move_operand, carry_compare_operand,
11720         m32r_block_immediate_operand, extend_operand,
11721         reg_or_eq_int16_operand, int8_operand, and
11722         reg_or_zero_operand.
11723         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
11724         seth_add3_operand, int8_operand, cmp_int16_operand,
11725         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
11726         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
11727         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
11728         move_double_src_operand, move_dest_operand,
11729         eqne_comparison_operator, signed_comparison_operator,
11730         extend_operand, small_insn_p, large_insn_p,
11731         conditional_move_operand, carry_compare_operand,
11732         m32r_block_immediate_operand): Move to predicates.md.
11733         (MAX_MOVE_BYTES): Move to m32r.h.
11734         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
11735         * config/m32r/m32r.md: Include predicates.md.
11736         * config/m32r/predicates.md: New.
11737
11738         * config/pa/pa-protos.h: Add prototypes for magic_milli and
11739         shadd_constant_p.
11740         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
11741         symbolic_operand, symbolic_memory_operand,
11742         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
11743         indexed_memory_operand, move_dest_operand, move_src_operand,
11744         prefetch_cc_operand, prefetch_nocc_operand,
11745         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
11746         arith_operand, arith11_operand, pre_cint_operand,
11747         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
11748         ireg_operand, int5_operand, uint5_operand, int11_operand,
11749         uint32_operand, arith5_operand, and_operand, ior_operand,
11750         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
11751         pc_or_label_operand, div_operand, plus_xor_ior_operator,
11752         shadd_operand, movb_comparison_operator,
11753         cmpib_comparison_operator): Move to predicates.md.
11754         (magic_milli, shadd_constant_p): Make it extern.
11755         * config/pa/pa.h (PREDICATE_CODES): Remove.
11756         * config/pa/pa.md: Include predicates.md.
11757         * config/pa/predicates.md: New.
11758
11759         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
11760         predicate.
11761
11762 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11763
11764         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
11765         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
11766         config/alpha/freebsd.h, config/alpha/linux.h,
11767         config/alpha/netbsd.h, config/alpha/osf5.h,
11768         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
11769         config/h8300/h8300-protos.h, config/h8300/h8300.c,
11770         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
11771         doc/cppopts.texi: Update copyright.
11772
11773 2005-03-18  Jan Hubicka  <jh@suse.cz>
11774
11775         PR middle-end/20225
11776         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
11777         too late.
11778         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
11779         called too late.
11780
11781 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11782
11783         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
11784         VEC_safe_push.
11785
11786 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
11787
11788         * combine.c (gen_binary): Remove.
11789         (known_cond, simplify_shift_const, find_split_point,
11790         combine_simplify_rtx, simplify_if_then_else, simplify_set,
11791         simplify_logical, expand_field_assignment, extract_left_shift,
11792         force_to_mode, if_then_else_cond, apply_distributive_law,
11793         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
11794         simplify_comparison, reversed_comparison): Replace with
11795         simplify_gen_binary, simplify_gen_relational or
11796         distribute_and_simplify_rtx.
11797         (distribute_and_simplify_rtx): New function.
11798
11799 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
11800             Paolo Bonzini  <gcc.gnu.org>
11801
11802         * calls.c (setjmp_call_p, special_function_p): Update comments
11803         at the head of the functions.
11804
11805 2005-03-18  Jan Hubicka  <jh@suse.cz>
11806
11807         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
11808
11809         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
11810         function body should be released; do not proactively release function
11811         bodies in non-unit-at-a-time mode.
11812
11813 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
11814
11815         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
11816         mno-fp-ret-in-387 multilib variants.
11817
11818 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
11819
11820         * common.opt (m): Remove.
11821         * opts.c (handle_option): Pass 'm' options to set_target_switch if
11822         table lookup fails.
11823         (common_handle_option): Remove OPT_m case.
11824
11825 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11826
11827         * builtins.c (fold_builtin_bitop): Take decomposed arguments
11828         of CALL_EXPR.
11829         (fold_builtin_1): Update a call to fold_builtin_bitop.
11830
11831         * builtins.c (fold_builtin_signbit): Take decomposed arguments
11832         of CALL_EXPR.
11833         (fold_builtin_1): Update a call to fold_builtin_signbit.
11834
11835 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
11836
11837         PR tree-optimization/20474
11838         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
11839         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
11840
11841 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11842
11843         * config/h8300/h8300-protos.h: Remove prototypes for
11844         general_operand_src, general_operand_dst, single_one_operand,
11845         single_zero_operand, call_insn_operand,
11846         two_insn_adds_subs_operand, small_call_insn_operand,
11847         jump_address_operand, bit_operand, bit_memory_operand,
11848         stack_pointer_operand, const_int_gt_2_operand,
11849         const_int_ge_8_operand, const_int_qi_operand,
11850         const_int_hi_operand, incdec_operand, bit_operator,
11851         nshift_operator, eqne_operator, gtle_operator,
11852         gtuleu_operator, iorxor_operator.
11853         Add prototypes for h8sx_shift_type h8sx_classify_shift and
11854         h8300_ldm_stm_parallel.
11855         * config/h8300/h8300.c (h8sx_shift_type,): Move to
11856         h8300-protos.h.
11857         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
11858         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
11859         (h8300_ldm_stm_parallel): Make it extern.
11860         (h8300_ldm_parallel, h8300_stm_parallel,
11861         h8300_return_parallel, general_operand_src,
11862         general_operand_dst, h8300_dst_operand, h8300_src_operand,
11863         nibble_operand, reg_or_nibble_operand, single_one_operand,
11864         single_zero_operand, call_insn_operand,
11865         two_insn_adds_subs_operand, small_call_insn_operand,
11866         jump_address_operand, bit_operand, bit_memory_operand,
11867         stack_pointer_operand, const_int_gt_2_operand,
11868         const_int_ge_8_operand, const_int_qi_operand,
11869         const_int_hi_operand, incdec_operand, eqne_operator,
11870         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
11871         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
11872         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
11873         nshift_operator): Move to predicates.md.
11874         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
11875         * config/h8300/h8300.md: Include predicates.md.
11876         * config/h8300/predicates.md: New.
11877
11878 2005-03-17  Richard Henderson  <rth@redhat.com>
11879
11880         * config.gcc (ia64*-*-hpux*): Add extra_options.
11881         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
11882         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11883         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
11884         (ia64_tls_size_string, ia64_tune_string): Remove.
11885         (ia64_tune): Init to PROCESSOR_ITANIUM2.
11886         (TARGET_DEFAULT_TARGET_FLAGS): New.
11887         (TARGET_HANDLE_OPTION): New.
11888         (ia64_override_options): Move options parsing ...
11889         (ia64_handle_option): ... here.  New.
11890         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
11891         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
11892         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
11893         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
11894         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
11895         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
11896         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
11897         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
11898         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
11899         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
11900         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
11901         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
11902         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
11903         TARGET_EARLY_STOP_BITS): Remove.
11904         (TARGET_ILP32): Default false.
11905         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
11906         (enum ia64_inline_type): New.
11907         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11908         * config/ia64/ia64.md: Update for new definitions of
11909         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
11910         * config/ia64/ia64.opt: New file.
11911         * config/ia64/ilp32.opt: New file.
11912
11913 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11914
11915         PR target/18380
11916         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
11917
11918 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11919
11920         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
11921         instead of MASK_H8300S.
11922         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
11923         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
11924         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
11925         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
11926         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
11927         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
11928         TARGET_SWITCHES): Remove.
11929         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
11930         TARGET_H8300SX.
11931         * config/h8300/h8300.opt: New.
11932
11933         * config/alpha/alpha.opt, config/arc/arc.opt,
11934         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
11935         notices.
11936
11937 2005-03-17  Ian Lance Taylor  <ian@airs.com>
11938
11939         * gmon.c: Remove.
11940
11941 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
11942
11943         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
11944         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
11945         (TARGET_HANDLE_OPTION): Override default.
11946         (arc_handle_option): New function.
11947         (arc_init): Remove code to set arch_cpu_string.
11948         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
11949         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
11950         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
11951         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
11952         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
11953         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
11954         (arc_rodata_string, TARGET_OPTIONS): Delete.
11955         * config/arc/arc.opt: New file.
11956
11957 2005-03-17  Richard Henderson  <rth@redhat.com>
11958
11959         * doc/extend.texi (Weak Pragmas): New section.
11960         (attribute alias): Clarify that target must be in the same
11961         translation unit.
11962
11963 2005-03-17  Richard Henderson  <rth@redhat.com>
11964
11965         * config/alpha/alpha.opt: New file.
11966         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
11967         of alpha_cpu.
11968         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
11969         alpha_fprm_string, alpha_fptm_string): Make static.
11970         (alpha_tls_size_string): Remove.
11971         (alpha_handle_option): New.
11972         (override_options): Update for alpha_cpu/alpha_tune split.
11973         (alpha_file_start): Likewise.
11974         (TARGET_DEFAULT_TARGET_FLAGS): New.
11975         (TARGET_HANDLE_OPTION): New.
11976         * config/alpha/alpha.h (alpha_tune): Declare.
11977         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
11978         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
11979         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
11980         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
11981         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
11982         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
11983         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
11984         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
11985         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
11986         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
11987         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
11988         (TARGET_DEFAULT): Remove MASK_FP.
11989         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
11990         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
11991         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
11992         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
11993         alpha_tls_size_string): Remove.
11994         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
11995         (attribute tune): Rename from attribute cpu.
11996         * config/alpha/ev4.md: Update to match.
11997         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
11998         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
11999         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
12000         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
12001         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
12002         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
12003
12004 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
12005
12006         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
12007         and return without creating new state if before_nops_num is nonzero.
12008         * config/ia64/ia64.md (first_insn): New attribute.
12009         (alloc): Set it to yes.
12010
12011 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12012
12013         * tree-vectorizer.c (new_vec_stmt_info): Initialize
12014         STMT_VINFO_SUBVARS to NULL.
12015         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
12016
12017 2005-03-16 Dale Johannesen  <dalej@apple.com>
12018
12019         * rtlanal.c (find_first_parameter_load):  Rewrite to
12020         return actual first param load or the call if none,
12021         instead of first in block, when not all loads exist.
12022
12023 2005-03-16  Roger Sayle  <roger@eyesopen.com>
12024
12025         * optabs.c (expand_copysign_absneg): Make static.
12026         * optabs.h (expand_copysign_absneg): Delete prototype.
12027         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
12028
12029 2005-03-16  Richard Henderson  <rth@redhat.com>
12030
12031         PR middle-end/15700
12032         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
12033         (alias_pairs): Rename from output_defs.
12034         (find_decl_and_mark_needed): Split out from assemble_alias.
12035         (do_assemble_alias): New.
12036         (assemble_output_def): Remove.
12037         (finish_aliases_1, finish_aliases_2): New.
12038         (process_pending_assemble_output_defs): Remove.
12039         (assemble_alias): Defer aliases for which we don't yet have a
12040         non-external decl for the target symbol.
12041         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
12042         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
12043         * toplev.c (compile_file): Use finish_aliases_2 instead of
12044         process_pending_assemble_output_defs.
12045         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
12046         (process_pending_assemble_output_defs): Remove.
12047
12048 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12049
12050         Fix PR tree-optimization/20489
12051
12052         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
12053         for empty structures.
12054
12055 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12056
12057         Fix PR tree-optimization/20490
12058
12059         * tree-ssa-pre.c (create_expression_by_pieces): Use
12060         force_gimple_operand on result of fold.
12061
12062 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
12063
12064         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
12065         of closing parenthesis.
12066
12067 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
12068
12069         * builtins.c (expand_movstr): Update a call to
12070         fold_builtin_strcpy.
12071         (expand_builtin_strncpy): Update a call to
12072         fold_builtin_strncpy.
12073         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
12074         arguments of CALL_EXPR.
12075         (fold_builtin_1): Update calls to fold_builtin_strcpy and
12076         fold_builtin_strncpy.
12077         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12078         * tree.h: Update the prototypes of fold_builtin_strcpy and
12079         fold_builtin_strncpy.
12080
12081 2005-03-16  Steven Bosscher  <stevenb@suse.de>
12082             Dorit Naishlos  <dorit@il.ibm.com>
12083
12084         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
12085         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
12086         error.
12087
12088 2005-03-16  Steven Bosscher  <stevenb@suse.de>
12089
12090         * tree-inline.c (walk_type_fields, walk_tree,
12091         walk_tree_without_duplicates): Move from here...
12092         * tree.c: ...to here.
12093
12094 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
12095
12096         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
12097         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
12098         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
12099         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
12100         (version): Define using $(BASEVER_c).
12101         (Makefile, config.status, build/gcov-iov.o): No longer depends on
12102         version.c.
12103         (version.o): Depend on version files; add custom generation command.
12104         (prefix.o): Define BASEVER on command line.
12105         (s-iov): Depend on version files; adjust command.
12106         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
12107         Add gcc-vers.texi.
12108         (gcc-vers.texi): New rule.
12109         (doc/%.info, doc/%.dvi): Add -I . to command line.
12110         (doc/gccinstall.dvi): Likewise.
12111         (PACKAGE): Delete.  All uses replaced with "gcc".
12112         * aclocal.m4: Do not include gcc-version.m4.
12113         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
12114         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
12115         Set is_release based on contents of DEV-PHASE.
12116         Set gcc_version based on contents of BASE-VER.
12117         Define WIN32_REGISTRY_KEY only if the user overrode the default.
12118         * config.in, configure: Regenerate.
12119         * gccbug.in: Determine version of GCC in use at runtime.
12120         * gcov-iov.c: Get version number and development phase from
12121         command line, not by including version.c.
12122         * intl.c: Replace all uses of PACKAGE with "gcc".
12123         * libada-mk.in: Delete unused "gcc_version" variable.
12124         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
12125         * version.c: (VERSUFFIX): New hook for redistributors; adjust
12126         commentary to match.
12127         (version_string): Put together from pieces.
12128         * config/alpha/x-vms: Do not use $(gcc_version).
12129         * config/i386/t-nwld: Likewise.
12130         * doc/include/gcc-common.texi: Include gcc-vers.texi for
12131         version-GCC and DEVELOPMENT.
12132
12133 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12134
12135         PR tree-optimization/17454
12136         * tree.c (tree_size): Add case for TREE_BINFO.
12137         * fold-const.c (fold_checksum_tree): Only clear the overloaded
12138         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
12139
12140 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12141
12142         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
12143         op1 whilst expanding the signed widenening multiply variant.
12144
12145 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
12146
12147         * toplev.c (display_target_options): Avoid unused variable warning if
12148         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
12149         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
12150         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
12151         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
12152         (mips_isa_info): New variable.
12153         (mips_parse_cpu): Remove the first argument and leave the caller
12154         to report errors.
12155         (TARGET_HANDLE_OPTION): Override default.
12156         (mips_handle_option): New function.  Move option validation code from...
12157         (override_options): ...here.  Update calls to mips_parse_cpu.
12158         * config/mips/mips.h (mips_arch_string, mips_tune_string)
12159         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
12160         (SUBTARGET_TARGET_OPTIONS): Delete.
12161         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
12162         (mno-flush-func, mtune=): New options.
12163
12164 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12165             Richard Henderson  <rth@redhat.com>
12166
12167         * real.c (c4x_single_format, c4x_extended_format): Provide values
12168         for signbit_ro for c4x's single and extended floating point formats.
12169         * optabs.c (expand_copysign): Use the floating point format's
12170         signbit_ro for expanding via expand_copysign_absneg, and it's
12171         signbit_rw field for expanding via expand_copysign_bit.
12172
12173 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
12174
12175         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
12176         known_alignment_for_access_p.
12177         (known_alignment_for_access_p): New.
12178         (do_peeling_for_alignment): Field made int instead of bool and renamed
12179         to peeling_for_alignment.
12180         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
12181         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
12182         functionality used to be in vect_analyze_operations.
12183         (vect_analyze_operations): Code to determine vectorization factor was
12184         moved to vect_determine_vectorization_factor.
12185         (vect_enhance_data_refs_alignment): Update to correct alignment when it
12186         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
12187         factor.
12188         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
12189         be part of vect_analyze_operations).
12190         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
12191         creating the guard condition, as the number of iterations may be
12192         constant.
12193         (slpeel_tree_peel_loop_to_edge): Use new name of
12194         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
12195         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
12196         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
12197         (vect_do_peeling_for_alignment): Use fold.
12198         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
12199
12200         (vect_update_inits_of_dr): Renamed to
12201         vect_update_init_of_dr.
12202         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
12203         (vectorizable_store): Fix assertion to use == instead of =.
12204
12205 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
12206
12207         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
12208         call_used_regs for wCG registers.
12209
12210 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
12211
12212         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
12213         for non-offsettable memory references to cope with outstanding reload
12214         replacements, take 2.
12215
12216 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
12217
12218         PR target/18668
12219         * config/i386/i386.h (x86_fisttp): New.
12220         (TARGET_FISTTP): New macro.
12221         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
12222         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
12223         instruction when fisttp flag is set.
12224         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
12225
12226         * config/i386/i386.md (type attribute): Add fisttp.
12227         (unit attribute): Set to i387 for fisttp type.
12228         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
12229         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
12230         TARGET_FISTTP.
12231         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
12232         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
12233         macros.
12234         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
12235         patterns for TARGET_FISTTP.  Enable patterns for
12236         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
12237         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
12238         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
12239         implement fisttp x87 insn.
12240         (fix_trunc*_i387_fisttp splitters): New patterns.
12241         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
12242         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
12243         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
12244         clobber.
12245         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
12246         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
12247         Implement using mode macros. Disable patterns for TARGET_FISTTP.
12248         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
12249         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
12250         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
12251         Disable patterns for TARGET_FISTTP.
12252         (fix_trunc*_i387 splitters): Implement usign mode macros.
12253         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
12254         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
12255         (fix_trunx*_sse peephole2s): Implement using mode macros.
12256
12257 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
12258
12259         PR rtl-optimization/20291
12260         * combine.c (try_combine): If splitting fails, re-try with
12261         original combined pattern, i.e. before clobber stripping.
12262
12263 2005-03-14  Eric Christopher  <echristo@redhat.com>
12264
12265         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
12266         STACK_GROWS_DOWNWARD.
12267
12268 2005-03-14  Roger Sayle  <roger@eyesopen.com>
12269
12270         * real.h (struct real_format): Split the signbit field into two
12271         two fields, signbit_ro and signbit_rw.
12272         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
12273         mips_double_format, ieee_extended_motorola_format,
12274         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
12275         ieee_extended_intel_128_format, ibm_extended_format,
12276         mips_extended_format, ieee_quad_format, mips_quad_format,
12277         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
12278         i370_double_format, c4x_single_format, c4x_extended_format,
12279         real_internal_format): Update initializers for new field.
12280         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
12281         real_format structure.
12282         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
12283         field of the real_format structure.
12284
12285 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
12286
12287         Fix PR tree-optimization/20458
12288
12289         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
12290         DECL_EXTERNAL on STRUCT_FIELD tags.
12291         (clear_call_clobbered): Ditto.
12292         * tree-ssa-operands.c (note_addressable): Make sure the original
12293         variable doesn't slip into the addressable list if we have
12294         subvars.
12295         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
12296         tags too.
12297
12298 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
12299
12300         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
12301         (-fwide-exec-charset): Likewise.
12302         (-finput-charset): Likewise.
12303         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
12304         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
12305         * c.opt (Wnormalized): New.
12306
12307 2005-03-14  Devang Patel  <dpatel@apple.com>
12308
12309         * doc/invoke.texi: Add reference to Visibility document.
12310
12311 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
12312
12313         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
12314         MASK_SPLIT_ADDRESSES.
12315         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
12316         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
12317         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
12318         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
12319         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
12320         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
12321         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
12322         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
12323         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
12324         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
12325         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
12326         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
12327         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
12328         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
12329         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
12330         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
12331         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
12332         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
12333         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
12334         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
12335         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
12336         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
12337         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
12338         (TARGET_EXPLICIT_RELOCS): Delete.
12339         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
12340         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
12341         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
12342         (override_options): Set MASK_LONG64 if -mint64 is given and no
12343         -mlongXX option is.  Complain about -mint64 -mlong32.
12344         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
12345         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
12346         * config/mips/mips.opt: New file.
12347
12348 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
12349
12350         * config.gcc (extra_options): New variable for listing option files.
12351         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
12352         * configure.ac (extra_opt_files): New AC_SUBST variable.
12353         (tm_file_list, tm_include_list): Include options.h first.
12354         * configure: Regenerate.
12355         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
12356         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
12357         (s-options-h): New rule.
12358         (options.h): Depend on it.
12359         (TEXI_GCCINT_FILES): Add options.texi.
12360         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
12361         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
12362         * target.h (gcc_target): Add default_target_flags and handle_option.
12363         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
12364         (TARGET_HANDLE_OPTION): New macros.
12365         (TARGET_INITIALIZER): Include them.
12366         * opt-functions.awk (opt_args, nth_arg): New functions.
12367         (switch_flags): Handle the "Target" flag.
12368         (var_args): Delete.
12369         (var_name): Use opt_args and nth_arg.
12370         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
12371         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
12372         macros for the "Mask" and "InverseMask" options.
12373         * opts.h (cl_var_cond): New enum.
12374         (cl_option): Replace the "has_set_value" and "set_value" fields with
12375         "var_cond" and "var_value".
12376         (CL_TARGET): New macro.
12377         (option_enabled, print_filtered_help): Declare.
12378         (decode_options): Move definition.
12379         * opts.c (handle_option): Search for the original option before
12380         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
12381         var_cond and var_value fields.  Use targetm.handle_option to handle
12382         target options.
12383         (decode_options): Set target_flags to targetm.default_target_flags.
12384         (print_filtered_help): Make global.  Handle CL_TARGET.
12385         (option_enabled): New function.
12386         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
12387         (display_target_options, set_target_switch, print_switch_values)
12388         (default_pch_valid_p): Guard uses of target_switches with
12389         #ifdef TARGET_SWITCHES.  Also...
12390         (display_target_options): Display the CL_TARGET entries in cl_options.
12391         (set_target_option): Don't complain about the "" option when
12392         TARGET_SWITCHES is undefined.
12393         (print_switch_values): Use option_enabled.
12394         (default_pch_valid_p): Check cl_options[] when looking for something
12395         that has changed the value of target_flags.
12396         * c.opt: Remove documentation from top of file.
12397         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
12398         * doc/sourecebuild.texi: Refer to the new options documentation
12399         instead of c.opt.  Document machine-specific .opt files.
12400         * doc/tm.texi (target_flags): Say that this variable is declared
12401         by options.h.
12402         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
12403         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
12404         an alternative.
12405         * doc/options.texi: New file.
12406
12407 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
12408
12409         PR middle-end/18628
12410         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
12411         register.
12412
12413 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
12414
12415         PR c++/20280
12416         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
12417         temporary variable of pointer type if an lvalues is required.
12418         (gimplify_modify_expr_rhs): Request an rvalue from it.
12419         (gimplify_expr): Pass fallback on.
12420
12421 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12422
12423         * cfgbuild.c: Update comments.
12424
12425 2005-03-14  Roger Sayle  <roger@eyesopen.com>
12426
12427         PR rtl-optimization/17236
12428         * optabs.c (expand_doubleword_mult): New helper function split out
12429         from expand_binop.  Permute the order in which instructions are
12430         emitted to minimize the number of simultaneously live registers.
12431         (expand_binop): Call expand_doubleword_mult to synthesize a double
12432         word multiplication.
12433
12434 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12435
12436         * basic-block.h: Update the prototypes of cached_make_edge and
12437         rtl_make_eh_edge.
12438         * cfg.c (cached_make_edge): Take edge_cache representing one
12439         row of the adjacency matrix of edges.
12440         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
12441         (make_edges): Initialize edge_cache to represent one row of
12442         the adjacency matrix of edges.
12443
12444 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12445
12446         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
12447         New functions.
12448         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
12449         Remove unused removed_phis variable.
12450         (conditional_replacement): Use build1/build2.
12451         (abs_replacement): Use last_and_only_stmt and build1/build2.
12452
12453 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12454
12455         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
12456         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
12457         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
12458         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
12459         * c-common.c (handle_novops_attribute): New function.
12460         (c_common_attribute_table): Add "no vops" entry.
12461         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
12462         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
12463         * tree-ssa-operands.c (get_call_expr_operands): Do not
12464         create virtual operands for calls with ECF_NOVOPS flag.
12465         * tree.h (DECL_IS_NOVOPS): New macro.
12466         (struct tree_decl): Add novops_flag.
12467         (ECF_NOVOPS): New constant.
12468
12469 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
12470
12471         PR target/17688
12472         * config/i386/i386.c (x86_use_himode_fiop): New.
12473         (x86_use_simode_fiop): Rename from x86_use_fiop.
12474         * config/i386/i386.h (x86_use_himode_fiop): Declare.
12475         (TARGET_USE_HIMODE_FIOP): New.
12476         (x86_use_simode_fiop): Rename from x86_use_fiop.
12477         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
12478
12479         * config/i386/i386.md (X87MODEI12): New mode macro define.
12480         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
12481         to implement x87 FP compare with HImode input operands.
12482         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
12483         Use X87MODEI12 mode macro to handle HImode input operands.
12484         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
12485         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
12486         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
12487         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
12488         macro to implement x87 operators with HImode input operands.
12489         (fop splitters): Use X87MODEI12 mode macro to handle HImode
12490         input operands.
12491
12492 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12493
12494         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
12495         integer_zerop.
12496         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
12497         constants invariant.
12498
12499 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12500
12501         * basic-block.h (BB_VISITED): Removed.
12502         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
12503
12504 2005-03-14  Falk Hueffner  <falk@debian.org>
12505
12506         PR bootstrap/20424
12507         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
12508
12509 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12510
12511         * ggc-zone.c: Fix comment typos.
12512
12513         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
12514         stringpool.c, config/mips/mips-protos.h: Update copyright.
12515
12516 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
12517
12518         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
12519         throughout with its typedef, "rtx".
12520         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
12521         (rs6000_tls_symbol_ref_1): Remove inline keyword.
12522         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
12523         regs in comment to match code.
12524
12525 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12526
12527         * except.c (check_handled): Make it static.
12528         * except.h: Remove the corresponding prototype.
12529
12530         * function.c (get_func_frame_size): Make it static.
12531         * function.h: Remove the corresponding type.
12532
12533         * regclass.c (reg_class_superclasses, reg_class_subclasses):
12534         Make them static.
12535         * hard-reg-set.h: Remove the corresponding declarations.
12536
12537         * tree-cfg.c (verify_stmts): Check that
12538         bb_for_stmt (stmt) == bb for every PHI node and statement.
12539
12540 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
12541
12542         * config.gcc: Remove excess indentation.
12543         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
12544
12545 2005-03-13  Roger Sayle  <roger@eyesopen.com>
12546
12547         PR middle-end/19331
12548         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
12549         * fold-const.c (fold_sign_changed_comparison): Likewise.
12550         (fold_binary): Optimize comparisons against widened operands if
12551         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
12552
12553 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12554
12555         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
12556         (sparc_override_options): Initialize it.
12557         (sparc_struct_value_rtx): Set it on the MEM to be returned.
12558
12559 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
12560
12561         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
12562         (reg_or_none500mem_operand): New predicate.
12563         (zero_reg_mem_operand): New predicate.
12564         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
12565         to reg_or_none500mem_operand.
12566         (extendsfdf2_fpr): Add MEM alternative.
12567         (extenddftf2_internal): Change operand2 predicate to
12568         zero_reg_mem_operand.
12569
12570 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12571
12572         * ggc-zone.c: Rewritten.
12573
12574         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
12575         if there are none.
12576         * configure.ac: Define GGC_ZONE for --with-gc=zone.
12577         * config.in: Regenerated.
12578         * configure: Regenerated.
12579         * gengtype.c (write_types_process_field, write_func_for_structure):
12580         Pass new argument to gt_pch_note_object.
12581         * ggc-common.c (struct ptr_data): Add TYPE.
12582         (gt_pch_note_object): Take TYPE argument and save it.
12583         (call_count): Update call to ggc_pch_count_object.
12584         (call_alloc): Update call to ggc_pch_alloc_object.
12585         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
12586         file.
12587         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
12588         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
12589         (ggc_alloc_zone_stat): Delete.
12590         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
12591         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
12592         (ggc_pch_alloc_object): Update prototypes.
12593         (garbage_zone): Delete.
12594         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
12595         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
12596         pointers.
12597         (tree_id_zone): New variable.
12598         (ggc_alloc_cleared_zone): Remove unused.
12599         (ggc_alloc_zone): Define.
12600         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
12601         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
12602         ggc_alloc_zone_stat.
12603         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
12604         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
12605         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
12606         (make_node_stat): Likewise.  Use tree_id_zone.
12607
12608 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12609             Joseph S. Myers  <joseph@codesourcery.com>
12610
12611         * configure.ac: Check for MIPS TLS.
12612         * configure: Regenerated.
12613         * config/mips/mips-protos.h (enum mips_symbol_type): Add
12614         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
12615         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
12616         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
12617         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
12618         (mips_classify_symbol, mips_symbolic_constant_p)
12619         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
12620         (mips_tls_operand_p, mips_call_tls_get_addr)
12621         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
12622         (mips_tls_symbol_ref_1): New functions.
12623         (mips_legitimize_address, mips_legitimize_const_move): Call
12624         mips_legitimize_tls_address.
12625         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
12626         for MIPS16.
12627         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
12628         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
12629         (mips_char_to_class): Document V1_REG.
12630         (HAVE_AS_TLS): Provide default.
12631         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
12632         constants.
12633         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
12634         !TARGET_ABICALLS.
12635         (tls_get_tp_<mode>): New instruction.
12636
12637 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12638
12639         * configure.ac: Update checks for target tools.
12640         * configure: Regenerated.
12641
12642 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12643
12644         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
12645
12646 2005-03-13  Roger Sayle  <roger@eyesopen.com>
12647
12648         * expmed.c (expand_mult): Use synthetic multiplication sequences for
12649         more classes of DImode multiplication by constant.  Allow both
12650         multiplication by small negative constants (by performing a
12651         multiplication by a positive constant and negating the result) and
12652         multiplications by large powers of two, by using a left shift.
12653
12654 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
12655
12656         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
12657         of basic blocks into work_stack.
12658
12659         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
12660         config/mips/vr.h: Update copyright.
12661
12662         * c-decl.c (c_init_decl_processing): Remove useless calls to
12663         build_function_type.
12664
12665         * builtins.c (fold_trunc_transparent_mathfn,
12666         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
12667         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12668         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
12669         fold_builtin_strcpy, fold_builtin_strncpy,
12670         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
12671         TREE_TYPE (exp).
12672
12673         * builtins.c (expand_builtin_mathfn_3): Remove local variable
12674         before_call.
12675
12676         * lambda-code.c (lambda_compute_auxillary_space): Remove local
12677         variable determinant.
12678
12679         * tree-cfg.c (group_case_labels): Remove local variable type.
12680
12681         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
12682         variable ann.
12683
12684         * tree-ssa-phiopt.c (value_replacement): Remove local variable
12685         result.
12686
12687 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12688
12689         PR target/18251
12690         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
12691         (*movmemqi_insn): Delete.
12692         (*movmemhi): Delete.
12693
12694 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
12695
12696         * builtins.c (fold_builtin_classify): Take decomposed
12697         arguments of CALL_EXPR.
12698         (fold_builtin_1): Update a call to fold_builtin_classify.
12699
12700 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
12701
12702         PR c/20402
12703         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
12704         through into call to parser_xref_tag after parse error.
12705         (c_parser_struct_declaration): Consistently return NULL_TREE on
12706         error.
12707
12708 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
12709
12710         * tree-flow-inline.h (ref_contains_array_ref): New function.
12711         (lookup_subvars_for_var): Ditto.
12712         (get_subvars_for_var): Ditto.
12713         (var_can_have_subvars): Ditto.
12714
12715         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
12716         (struct subvar): New type.
12717
12718         * tree-dfa.c (okay_component_ref_for_subvars): New function.
12719
12720         * tree-optimize.c (init_tree_optimization_passes): Call
12721         pass_create_structure_vars.
12722
12723         * tree-ssa-alias.c: Include vec.h.
12724         (init_alias_info): Don't auto-clear call clobbered on struct-field
12725         tags.
12726         (compute_flow_insensitive_aliasing): Handle subvars.
12727         (group_aliases): Handle STRUCT_FIELD aliases.
12728         (setup_pointers_and_addressables): Ditto.
12729         Don't mark variables non-addressable if they still have
12730         addressable subvars.
12731         Also mark subvars addressable when the real variable is marked
12732         addressable.
12733         (add_pointed_to_var): Try to prune the pointed-to set by only
12734         pointing to subvars when possible.
12735         Otherwise, make sure we set addresses_needed and pt_vars to
12736         properly include subvars.
12737         (bitpos_of_field): New function.
12738         (push_fields_onto_fieldstack): Ditto.
12739         (get_or_create_used_part_for): Ditto.
12740         (create_overlap_variables_for): Ditto.
12741         (find_used_portions): Ditto.
12742         (create_structure_vars): Ditto.
12743         (pass_create_structure_vars): New structure.
12744
12745         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
12746         (get_expr_operands): Handle subvars.  Also try to turn
12747         COMPONENT_REF accesses into must-defs now that we can accurately
12748         portray it.
12749         (note_addressable): Try to only mark as addressable those subvars
12750         we know a COMPONENT_REF touches.
12751         (overlap_subvar): New function.
12752
12753         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
12754         Handle subvar storing.
12755         (vect_address_analysis): Update caller of vect_object_analysis.
12756
12757         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
12758
12759         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
12760         (STMT_VINFO_SUBVARS): New macro.
12761
12762         * common.opts: add flag_tree_salias.
12763
12764         * opts.c (decode_options): flag_tree_salias defaults to on.
12765
12766         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
12767
12768         * doc/tree-ssa.texi: Document structural alias analysis.
12769
12770 2005-03-12  Steven Bosscher  <stevenb@suse.de>
12771
12772         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
12773         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
12774         * tree-ssa-operands.c (get_expr_operands): Likewise.
12775         (get_expr_operands): Likewise for ERROR_MARK.
12776
12777 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12778
12779         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
12780         var.
12781
12782         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
12783         removed_phis.
12784
12785         * tree-ssa-pre.c (compute_avail): Remove local variable val.
12786         (mark_operand_necessary): Remove local variable ver.
12787
12788         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
12789         variable prefix_len.
12790
12791         * value-prof.c (mod_subtract_transform): Remove local variable
12792         value.
12793
12794         * builtins.c (fold_builtin_exponent): Take decomposed
12795         arguments of CALL_EXPR.
12796         (fold_builtin_1): Update a call to fold_builtin_exponent.
12797
12798         * builtins.c (fold_builtin_logarithm): Take decomposed
12799         arguments of CALL_EXPR.
12800         (fold_builtin_1): Update a call to fold_builtin_logarithm.
12801
12802         * c-decl.c (c_init_decl_processing): Remove local variables
12803         ptr_ftype_void and ptr_ftype_ptr.
12804
12805         * gimplify.c (gimplify_expr): Remove local variables r0 and
12806         r1.
12807
12808         * reg-stack.c (move_for_stack_reg): Remove local variable
12809         push_insn.
12810         (compare_for_stack_reg): Remove local variable flags_user.
12811         (convert_regs_1): Remove local variable deleted.
12812
12813         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
12814         variable new_cond.
12815         (combine_blocks): Remove local variables exits and new_e.
12816
12817         * tree-inline.c (expand_call_inline): Remove local variable
12818         decl.
12819
12820         * tree-ssa-live.c (create_ssa_var_map,
12821         calculate_live_on_entry): Remove local variable snn.
12822
12823 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
12824
12825         * c-lex.c (c_lex_with_flags): Add parameter to call to
12826         cpp_spell_token.
12827
12828 2005-03-11  Per Bothner  <per@bothner.com>
12829
12830         * c-tree.h (struct c_declarator): New id_loc field.
12831         * c-pragma.h (c_lex_with_flags): Take position reference.
12832         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
12833         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
12834         (c_lex): Pass dummy location to c_lex_with_flags.
12835         * c-parser.c (c_lex_one_token): Set c_token's location using
12836         c_lex_with_flags, instead of input_location, which might be "ahead".
12837         (c_parser_direct_declarator): Set declarator's id_loc from
12838         c_token's id_loc.
12839         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
12840         declarator's id_loc, rather than probably-imprecise input_location.
12841         (build_id_declarator): Initialize c_declarator's id_loc field.
12842
12843 2005-03-11  Roger Sayle  <roger@eyesopen.com>
12844
12845         PR middle-end/20419
12846         * builtins.c (expand_builtin_signbit): Force the signbit's word
12847         into an integer register to avoid SUBREGs of floating point modes.
12848
12849 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12850
12851         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
12852         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
12853         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
12854         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
12855
12856 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
12857
12858         PR rtl-optimization/20306
12859         * expr.c (emit_move_complex): Set try_int false if mode is
12860         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
12861         emit_block_move if try_int is true.
12862
12863 2005-03-11  Richard Henderson  <rth@redhat.com>
12864
12865         PR target/20415
12866         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
12867         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
12868         to match.
12869
12870 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12871
12872         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
12873         (TARGET_FIX_VR4130): New macro.
12874         (TARGET_OPTIONS): Add -mfix-vr4130.
12875         (ISA_HAS_MACCHI): New macro.
12876         (ASM_SPEC): Add -mfix-vr4130.
12877         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
12878         (override_options): Handle mips_fix_vr4130_string.
12879         (mips_avoid_hazards): Clear all_noreorder_p
12880         if we're working around VR4130 errata and the macc alternatives
12881         are not available.
12882         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
12883         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
12884         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
12885         (MULTILIB_DEFAULTS): Remove leading "march=".
12886         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
12887         if no architecture option is given.
12888         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
12889         VR4130 multilibs.
12890         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
12891         * doc/invoke.texi: Document -mfix-vr4130.
12892
12893 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12894
12895         * config/mips/mips.c (override_options): Only warn about -mint64
12896         deprecation if TARGET_INT64.
12897
12898 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12899
12900         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
12901         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
12902         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
12903         are non-specific regarding the nonnull parameter positions.
12904         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
12905         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
12906         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
12907         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
12908
12909         * builtins.def: Use the non-specific "nonnull" attibute lists.
12910
12911 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12912
12913         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12914         single_pred_edge, single_succ, single_pred): Improve comments.
12915
12916 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12917
12918         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12919         single_pred_edge, single_succ, single_pred): New inline functions.
12920         * bb-reorder.c (rotate_loop, find_traces_1_round,
12921         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
12922         duplicate_computed_gotos): Use the single_succ/pred functions.
12923         * cfganal.c (forwarder_block_p): Ditto.
12924         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
12925         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12926         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
12927         merge_seq_blocks): Ditto.
12928         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
12929         * cfglayout.c (fixup_reorder_chain): Ditto.
12930         * cfgloop.c (mark_single_exit_loops, update_latch_info,
12931         canonicalize_loop_headers, verify_loop_structure): Ditto.
12932         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
12933         mfb_update_loops, create_preheader, force_single_succ_latches,
12934         create_loop_notes): Ditto.
12935         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
12936         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
12937         commit_one_edge_insertion, purge_dead_edges,
12938         cfg_layout_can_merge_blocks_p): Ditto.
12939         * except.c (sjlj_emit_function_enter): Ditto.
12940         * flow.c (init_propagate_block_info): Ditto.
12941         * function.c (thread_prologue_and_epilogue_insns): Ditto.
12942         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
12943         insert_insn_end_bb): Ditto.
12944         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
12945         find_if_case_2): Ditto.
12946         * lambda-code.c (perfect_nestify): Ditto.
12947         * lcm.c (optimize_mode_switching): Ditto.
12948         * loop-doloop.c (doloop_modify): Ditto.
12949         * loop-init.c (loop_optimizer_init): Ditto.
12950         * loop-iv.c (simplify_using_initial_values): Ditto.
12951         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
12952         * loop-unswitch.c (unswitch_loop): Ditto.
12953         * modulo-sched.c (generate_prolog_epilog): Ditto.
12954         * predict.c (combine_predictions_for_insn, estimate_probability,
12955         tree_estimate_probability, last_basic_block_p,
12956         estimate_bb_frequencies): Ditto.
12957         * profile.c (branch_prob): Ditto.
12958         * regrename.c (copyprop_hardreg_forward): Ditto.
12959         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
12960         * tracer.c (layout_superblocks): Ditto.
12961         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
12962         cfg_remove_useless_stmts_bb, cleanup_control_flow,
12963         cleanup_control_expr_graph, disband_implicit_edges,
12964         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
12965         tree_verify_flow_info, tree_make_forwarder_block,
12966         tree_forwarder_block_p, remove_forwarder_block,
12967         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
12968         * tree-if-conv.c (tree_if_conversion): Ditto.
12969         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
12970         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
12971         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
12972         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
12973         copy_loop_headers): Ditto.
12974         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
12975         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
12976         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
12977         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
12978         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
12979         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
12980         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
12981         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
12982         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
12983         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
12984         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
12985         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
12986         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
12987         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
12988         slpeel_add_loop_guard): Ditto.
12989
12990 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
12991
12992         PR tree-optimization/15784
12993         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12994         and -1 - A to ~A.
12995
12996         * stmt.c (expand_case): Don't change index_type.  Convert minval
12997         to the proper type.
12998
12999         PR tree-optimization/20130
13000         * fold-const.c (fold): Fold x * -1 into -x.
13001
13002 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
13003
13004         PR rtl-optimization/20331
13005         * rtlanal.c (modified_between_p): Check its address first for MEM.
13006         (modified_in_p): Likewise.
13007
13008 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
13009
13010         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
13011
13012 2005-03-10  Steven Bosscher  <stevenb@suse.de>
13013
13014         * expr.c (expand_expr_real_1): If possible, use a conditional
13015         move for expanding MIN_EXPR and MAX_EXPR.
13016         Use temp for moving around rtx-en.
13017
13018 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
13019
13020         PR rtl-opt/20412
13021         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
13022         correct mode.
13023
13024 2005-03-10  Roger Sayle  <roger@eyesopen.com>
13025
13026         * builtins.c (expand_builtin_signbit): Extend to handle floating
13027         point modes wider than the largest integer type, using the
13028         operand_subword_force function to obtain the signbit's word.
13029
13030 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
13031
13032         PR target/20322
13033         * combine.c (try_combine): If recog_for_combine added CLOBBERs
13034         to NEWI2PAT, fail to combine if they are used by NEWPAT.
13035
13036 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
13037
13038         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
13039
13040 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
13041
13042         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
13043         type void.
13044         (perform_edge_inserts): Unconditionally call
13045         free_dominator_info.
13046
13047         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
13048
13049 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
13050
13051         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
13052
13053 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
13054
13055         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
13056
13057         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
13058         gcc_unreachable.
13059         (rtl_register_value_prof_hooks,
13060         tree_value_profile_transformations,
13061         tree_register_value_prof_hooks): Likewise.
13062         * var-tracking.c (stack_adjust_offset_pre_post,
13063         variable_htab_free, variable_union, dataflow_set_different_2,
13064         count_uses, variable_was_changed, set_frame_base_location,
13065         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
13066         vt_add_function_parameters): Likewise.
13067         * varasm.c (named_section_real, named_section, make_decl_rtl,
13068         asm_emit_uninitialised, assemble_integer, decode_addr_const,
13069         const_hash_1, compare_constant, copy_constant, force_const_mem,
13070         output_constant_pool_2, output_constant_pool_1, output_constant,
13071         output_constructor, make_decl_one_only, decl_tls_model,
13072         default_no_named_section, default_elf_select_section_1,
13073         default_unique_section_1): Likewise.
13074         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
13075         * vmsdbgout.c (addr_const_to_string): Likewise.
13076
13077         PR c++/20375
13078         * function.c (struct assign_parm_data_one): Remove last_named
13079         field.
13080         (assign_parm_find_data_types): Don't determine last_named.
13081         Reorder named_parm determination.
13082         (assign_parms): Only setup varargs on the last non-varadic
13083         parameter.
13084
13085 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
13086
13087         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
13088         sda base address on medium model.
13089
13090 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
13091
13092         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
13093         * cfgloop.c (flow_loop_nodes_find): Export.
13094         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
13095         Declare.
13096         * cfgloopmanip.c (fix_loop_structure): New function.
13097         * predict.c (predict_loops): Clean up the loops information.
13098         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
13099         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
13100         loop structure.
13101         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
13102         (rewrite_into_loop_closed_ssa): Declaration changed.
13103         * tree-loop-linear.c (linear_transform_loops): Add argument to
13104         rewrite_into_loop_closed_ssa call.
13105         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13106         * tree-ssa-loop-im.c (move_computations): Ditto.
13107         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13108         * tree-vectorizer.c (vectorize_loops): Ditto.
13109         * tree-optimize.c: Include cfgloop.h.
13110         (execute_todo): Choose whether to call cleanup_tree_cfg or
13111         cleanup_tree_cfg_loop.
13112         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
13113         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
13114         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
13115         cleanup_tree_cfg_loop call.
13116         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
13117         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
13118         work on part of cfg.
13119
13120 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
13121
13122         PR inline-asm/20314
13123         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
13124         with multiple alternatives.
13125
13126         * stmt.c (parse_output_constraint): Fix a typo.
13127
13128 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
13129
13130         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
13131         assembly directive instead of deprecated "no-generics".
13132
13133 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
13134
13135         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
13136         for non-offsettable memory references to cope with outstanding reload
13137         replacements.
13138         * config/s390/s390.md ("reload_outti"): Call find_replacement to
13139         avoid losing outstanding address reloads.
13140         ("reload_outdi", "reload_outdf"): Likewise.
13141
13142 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13143
13144         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
13145         code.  Add more cbrt transformations.
13146
13147 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13148
13149         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
13150
13151 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
13152
13153         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
13154         NULL_TREE when a given tree is not simplified.
13155         (fold): Return the original tree when any of the functions
13156         mentioned above NULL_TREE.
13157
13158         * fold-const.c (fold_unary, fold_binary): Take decomposed
13159         arguments, code, type, op0, and op1 in case of fold_binary.
13160         (fold): Update calls to fold_unary and fold_binary.
13161
13162 2005-03-09  Roger Sayle  <roger@eyesopen.com>
13163
13164         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
13165         a fndecl and an arglist instead of a CALL_EXPR, exp.
13166
13167 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
13168
13169         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
13170
13171         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
13172
13173         * expr.c (expand_assignment): Remove orig_to_rtx.
13174
13175         * fold-const.c (int_const_binop): Remove no_overflow.
13176
13177         * ifcvt.c (noce_emit_move_insn): Remove inmode.
13178
13179         * loop-iv.c (get_biv_step_1): Remove lhs.
13180
13181         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
13182
13183         * real.c (real_nan): Remove neg.
13184
13185         * function.c (thread_prologue_and_epilogue_insns): Remove i
13186         and newinsn.
13187
13188         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
13189         tb.
13190
13191         * tree-eh.c (tree_could_trap_p): Remove idx.
13192
13193         * tree-into-ssa.c (ann): Remove ann.
13194
13195         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
13196
13197         * tree-sra.c (decide_block_copy): Remove inst_count.
13198
13199         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
13200
13201         * tree-ssa-loop-im.c (lhs): Remove.
13202
13203         * cfgbuild.c (state, STATE, SET_STATE,
13204         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
13205         make_edges.
13206         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
13207         (find_basic_blocks): Set the state of each basic block to
13208         BLOCK_NEW.
13209
13210 2005-03-08  Jeff Law  <law@redhat.com>
13211
13212         * tree-cfg.c (cleanup_control_flow): If removal of a computed
13213         goto results in the removal of edges in the CFG, then we need
13214         to recompute dominators.
13215
13216 2005-03-09  Ben Elliston  <bje@au.ibm.com>
13217
13218         * c-common.c (c_do_switch_warnings): Comment fix.
13219
13220 2005-03-08  Julian Brown  <julian@codesourcery.com>
13221
13222         * Patch from 2005-03-08 reverted for causing regressions and
13223         ppc-darwin bootstrap failure.
13224
13225 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
13226
13227         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
13228         Define the real function for ppc-darwin.
13229         * c-typeck.c (convert_arguments): Check for target-specific
13230         invalid argument call to unprototyped function.
13231         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
13232         New Macro.
13233         * target.h (invalid_arg_for_unprototyped_fn): New field
13234         in struct calls.
13235         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
13236         default target hook.
13237         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
13238         Declare.
13239
13240 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13241
13242         * c-typeck.c (constructor_stack, constructor_range_stack,
13243         initializer_stack): Make them static.
13244
13245         * cfg.c (rbi_pool): Make it static.
13246
13247         * gimple-low.c (lower_stmt_body): Make it static.
13248         * tree-flow.h: Remove the corresponding prototype.  Don't
13249         declare lower_data.
13250
13251         * sched-deps.c (cache_size): Make it static.
13252
13253         * stor-layout.c (lang_adjust_rli): Make it static.
13254
13255 2005-03-08  Julian Brown  <julian@codesourcery.com>
13256
13257         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
13258         from being used for symbols with vague linkage when
13259         HAVE_GAS_COMDAT_GROUP is true.
13260
13261 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
13262
13263         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
13264         nlabel == JUMP_LABEL (jump).
13265
13266 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13267
13268         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
13269         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
13270         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
13271         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
13272
13273 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
13274
13275         PR c/14411
13276         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
13277         * c-common.c (handle_returns_twice): New function.
13278         (c_common_attribute_table): Declare eturns_twice' attribute.
13279         * doc/extend.texi: Document eturns_twice' attribute.
13280         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
13281         (struct tree_decl): Add returns_twice_flag.
13282
13283 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13284
13285         * tree-ssa-phiopt.c: Fix a comment typo.
13286
13287         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
13288         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
13289         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
13290         copyright.
13291
13292 2005-03-08  Richard Henderson  <rth@redhat.com>
13293
13294         * config/alpha/alpha.c (code_for_builtin): Replace special-case
13295         builtin codes with ctzdi2, clzdi2, popcountdi2.
13296         (struct alpha_builtin_def): Add is_const.
13297         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
13298         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
13299         (alpha_init_builtins): Init them.  Set nothrow and const attributes
13300         on builtins.
13301         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
13302         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
13303         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
13304         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
13305         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
13306         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
13307         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
13308         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
13309         (TARGET_FOLD_BUILTIN): New.
13310         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
13311         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
13312         (ffsdi2): Use ctz.
13313         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
13314
13315 2005-03-08  Ira Rosen  <irar@il.ibm.com>
13316
13317         PR tree-optimization/20122
13318         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
13319         condition of access function instead of base.
13320
13321 2005-03-07  Jeff Law  <law@redhat.com>
13322             Steven Bosscher  <stevenb@suse.de>
13323
13324         * tree-cfg.c (find_taken_edge_computed_goto): New function.
13325         (find_taken_edge): Call find_taken_edge_computed_goto as
13326         appropriate.  Allow any gimple invariant rather than just
13327         INTEGER_CST for VAL.
13328         (cleanup_control_flow): Cleanup a computed goto which has turned
13329         into a simple goto.
13330         (tree_merge_blocks): If block B has any forced labels, move
13331         them to the start of block A.
13332         * tree-ssa-dom.c (thread_across_edge): Allow threading across
13333         computed gotos as well.
13334         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
13335         removal of unnecessary computed gotos too.
13336         (lookup_redirection_data): Fix type of INSERT argument.  Callers
13337         updated.
13338
13339 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13340
13341         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
13342         Remove trailing spaces.
13343
13344         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
13345         unshare_all_trees): Make them static.
13346         * tree-gimple.h: Remove the corresponding prototypes.
13347
13348         * diagnostic.h: Remove unused prototype
13349         debug_output_buffer.
13350         * modulo-sched.c: Remove unused prototype
13351         set_row_column_for_ps.
13352
13353         * tree-ssa-phiopt.c (tree_ssa_phiopt,
13354         replace_phi_edge_with_variable): Remove unused variable i.
13355
13356 2005-03-07  Per Bothner  <per@bothner.com>
13357
13358         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
13359
13360 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
13361
13362         PR tree-opt/17671
13363         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
13364         bbs on the COND_EXPR instead of the PHI_NODEs.
13365         (candidate_bb_for_phi_optimization): Remove.
13366         (replace_phi_with_stmt): Rename to ...
13367         (replace_phi_edge_with_variable): this and change so that we
13368         replace the phi argument instead of removing the PHI.
13369         (conditional_replacement): Change so we deal with PHI with more
13370         than two arguments.
13371         (value_replacement): Likewise.
13372         (abs_replacement): Likewise.
13373
13374 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
13375
13376         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
13377         output_e500_flip_gt_bit.
13378
13379         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
13380         as bit 31.
13381         (rs6000_generate_compare): Fix logic to look at the correct bits.
13382         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
13383         Look at GT bit.
13384         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
13385         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
13386         gen_move_from_CR_gt_bit.
13387
13388         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
13389         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
13390         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
13391
13392         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
13393         (E500_CR_IOR_COMPARE): New constant.
13394
13395 2005-03-08  Earl Chew <earl_chew@agilent.com>
13396             David Billinghurst <David.Billinghurst@riotinto.com>
13397
13398         * config/i386/host-cygwin.c: New file to support precompiled
13399         headers on cygwin
13400         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
13401         * config.host: Use above files for cygwin host.
13402
13403 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
13404
13405         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
13406         ordering ops from earlier change.
13407
13408 2005-03-07  Per Bothner  <per@bothner.com>
13409
13410         Various fixes to allow us to again build if --enable-mapped-location:
13411         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
13412         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
13413         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
13414         local variable loc. Change logic appropriately.
13415         * tree-vect-transform.c (vect_finish_stmt_generation): Use
13416         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
13417         * c-parser.c (c_parser_for_statement): Initialize loc variable.
13418         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
13419         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
13420
13421 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
13422
13423         PR rtl-optimization/19683
13424         * reload1.c (choose_reload_regs): Pass the number of bits, not the
13425         number of bytes, to smallest_int_for_mode.  Fix arguments to
13426         REG_CANNOT_CHANGE_MODE_P.
13427
13428 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13429
13430         * reorg.c (relax_delay_slots): Check that the jump is
13431         conditional before trying to invert it.
13432
13433 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
13434
13435         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
13436         Make them static.
13437
13438         * calls (stack_arg_under_construction): Make it static.
13439
13440         * flow.c (regs_live_at_setjmp): Make it static.
13441         * flow.h: Remove the corresponding prototype.
13442
13443         * reload1.c (reload_startobj, reload_firstobj,
13444         something_needs_operands_changed, reload_inherited,
13445         reload_inheritance_insn, reload_override_in,
13446         reload_spill_index): Make them static.
13447
13448         * recog.c (verify_changes): Make it static.
13449         * recog.h: Remove the corresponding prototype.
13450
13451         * cfgbuild.c (find_sub_basic_blocks): Remove.
13452         * basic-block.h: Remove the corresponding prototype.
13453         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
13454         in comments.
13455         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
13456
13457         * tree-ssa-operands.c (check_build_stmt): Remove.
13458
13459         * stor-layout.c (set_alignment): Remove.
13460         * tree.h: Remove the corresponding prototype.
13461
13462         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
13463
13464         * tree-ssa-dce.c (control_dependence_map,
13465         visited_control_parents): Make them static.
13466
13467         * cfghooks.c (verify_flow_info): Remove local variable
13468         num_bb_notes.
13469
13470         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
13471         last_bb_seen.
13472
13473         * loop-unswitch.c (unswitch_loop): Remove local variable src.
13474
13475 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
13476
13477         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
13478
13479 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
13480
13481         * config/ia64/hpux.h (LINK_SPEC): Add -z.
13482         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
13483         PARALLEL for an empty structure.
13484
13485 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
13486
13487         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
13488
13489         * fold-const.c (fold_binary): Unroll the very first "for"
13490         loop.
13491
13492 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
13493
13494         * config/rs6000/predicates.md (branch_comparison_operator): Remove
13495         redundant match_code test.
13496         (scc_comparison_operator): Swap match_operand and match_code
13497         tests.
13498         (branch_positive_comparison_operator): Same.
13499         (trap_comparison_operator): Use comparison_operator and swap with
13500         match_code test.
13501
13502 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13503
13504         PR target/20288
13505         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
13506         (out_movhi_r_mr): Read low byte of volatile MEM first.
13507         (out_movhi_mr_r): Write high byte of volatile MEM first.
13508
13509 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13510
13511         * cselib.c (reg_values, reg_values_size): Make them static.
13512
13513         * cse.c (cse_reg_info_table): Make it static.
13514
13515         * fold-const.c (fold_unary): Use build1 instead of copy_node.
13516
13517 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
13518
13519         * cse.c (find_best_addr): Use canon_for_address.
13520
13521 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
13522
13523         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
13524         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
13525         SUBREG and MEM, respectively.
13526
13527         * fold-const.c (fold_binary): Use code instead of t.
13528
13529         * fold-const.c (optimize_minmax_comparison): Take decomposed
13530         arguments code, type, op0, and op1 instead of t.
13531         (fold_binary): Update a call to optimize_minmax_comparison.
13532
13533         * fold-const.c (fold_range_test): Take decomposed arguments
13534         code, type, op0, and op1 instead of t.
13535         (fold_binary): Update a call to fold_range_test.
13536
13537         * fold-const.c (fold_binary_op_with_conditional_arg): Take
13538         decomposed arguments code, type, op0, and op1 instead of t.
13539         (fold_binary): Update a call to fold_range_test.
13540
13541 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
13542
13543         * fold-const.c (fold_binary): Avoid directly using the original
13544         expression t as much as possible.
13545
13546 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13547
13548         * c-semantics.c (build_stmt): Use TYPE_P instead of
13549         IS_NON_TYPE_CODE_CLASS.
13550         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
13551         (NON_TYPE_CHECK): Use TYPE_P instead of
13552         IS_NON_TYPE_CODE_CLASS.
13553
13554         * fold-const.c (fold): Remove handling of binary expressions.
13555
13556 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
13557
13558         * doc/c-tree.texi: Wrap comments in @r{}.
13559         * doc/cpp.texi: Likewise.
13560         * doc/cppinternals.texi: Likewise.
13561         * doc/extend.texi: Likewise.
13562         * doc/md.texi: Likewise.
13563         * doc/objc.texi: Likewise.
13564         * doc/sourcebuild.texi: Likewise.
13565         * doc/tm.texi: Likewise.
13566         * doc/tree-ssa.texi
13567
13568 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13569
13570         * predict.c (apply_return_prediction): Standardize PHI chain
13571         walking.
13572         * tree-ssa.c (ssa_redirect_edge): Likewise.
13573
13574         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
13575         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
13576         Update copyright.
13577
13578         * tree-phinodes.c (remove_phi_node): Drop the last argument.
13579         * tree-flow.h: Adjust the prototype for remove_phi_node.
13580         * lambda-code.c (perfect_nestify): Adjust a call to
13581         remove_phi_node.
13582         * tree-cfg.c
13583         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
13584         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
13585         Likewise.
13586         * tree-ssa-dce.c (remove_dead_phis): Likewise.
13587         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13588         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13589         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
13590
13591         * combine.c (simplify_and_const_int): Use gen_int_mode instead
13592         of GEN_INT (trunc_int_for_mode (...)).
13593         * loop-iv.c (iv_number_of_iterations): Likewise.
13594         * postreload.c (reload_cse_move2add): Likewise.
13595         * simplify-rtx.c (simplify_const_unary_operation,
13596         simplify_const_binary_operation): Likewise.
13597         * stor-layout.c (get_mode_bounds): Likewise.
13598
13599         * fold-const.c (fold_binary): New.
13600         (fold): Call fold_binary on binary expressions.
13601
13602 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
13603
13604         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
13605         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
13606         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
13607         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
13608         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
13609
13610 2005-03-04  Devang Patel  <dpatel@apple.com>
13611
13612         PR tree-optimization/18815
13613         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13614         loops with zero exit edges.
13615
13616 2005-03-04  Devang Patel  <dpatel@apple.com>
13617
13618         * doc/invoke.texi: Remove reference to webpage that does not exist.
13619
13620 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
13621             Joseph S. Myers  <joseph@codesourcery.com>
13622
13623         PR c++/19797
13624         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
13625         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
13626         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
13627         * pa.c (get_plabel): Change argument to symbol_ref.  Call
13628         maybe_get_identifier instead of get_identifier.
13629         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
13630         (struct deferred_plabel): Replace name field with symbol field.
13631         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
13632         ASM_OUTPUT_EXTERNAL_REAL is defined.
13633         (output_global_address): Use output_addr_const for output of all
13634         symbol_refs.
13635         (output_deferred_plabels): Use symbol_ref instead of name for address
13636         output.
13637         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
13638         ASM_OUTPUT_SYMBOL_REF): New macros.
13639         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
13640         comment.
13641         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
13642         label.
13643
13644 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
13645
13646         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
13647         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
13648
13649 2005-03-04  Jeff Law  <law@redhat.com>
13650
13651         * basic-block.h (rediscover_loops_after_threading): Declare.
13652         * tree-ssa-dom.c: Include cfgloop.h.
13653         (tree_ssa_dominator_optimize): Discover loops and some basic
13654         properties.  Remove forwarder blocks recreated by loop header
13655         canonicalization.  Also mark backedges in the CFG.
13656         * tree-ssa-threadupdate.c: Include cfgloop.h
13657         (rediscover_loops_after_threading): Define.
13658         (struct local_info): New field, JUMP_THREADED.
13659         (prune_undesirable_thread_requests): New function.
13660         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
13661         then record that fact for the callers of redirct_edges.
13662         (thread_block): If BB has incoming backedges, then call
13663         prune_undesirable_thraed_requests.    Note when we are
13664         going to have to rediscover loop information.  Return a
13665         boolean indicating if any jumps were threaded.
13666         (thread_through_all_blocks): Bubble up boolean indicating
13667         if any jumps were threaded.
13668         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
13669         (tree-ssa-threadupdate.o): Similarly.
13670
13671 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13672
13673         * fold-const.c (fold_ternary): Unroll the "for" loop to
13674         extract operands.
13675
13676 2005-03-04  Andrew Haley  <aph@redhat.com>
13677
13678         * unwind-dw2-fde-glibc.c (struct
13679         unw_eh_callback_data.check_cache): New field.
13680         (frame_hdr_cache): New.
13681         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
13682         Cache frame header info.
13683
13684 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
13685
13686         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
13687         (print_c_condition): Declare.
13688         * read-rtl.c (ptr_loc): New structure.
13689         (ptr_locs, ptr_loc_obstack, joined_conditions)
13690         (joined_conditions_obstack): New variables.
13691         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
13692         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
13693         (join_c_conditions, print_c_condition): New functions.
13694         (apply_macro_to_string): Associate the new string with the same
13695         source location as the old one.
13696         (add_condition_to_string): Use join_c_conditions.
13697         (read_string): Use set_rtx_ptr_loc to record a filename and line
13698         number for the string.
13699         (read_rtx): Initialize the new variables above.
13700         * genattrtab.c (write_test_expr, write_attr_value): Use
13701         print_c_condition.
13702         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
13703         comment above the GCC_VERSION check.
13704         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
13705         Inline the definition of MAYBE_EVAL.
13706         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
13707         * genoutput.c (process_template): Likewise.
13708         * genpreds.c (write_predicate_subfunction): Likewise.
13709         (write_predicate_expr): Use print_c_condition.
13710         * genrecog.c (write_cond): Likewise.
13711         * gensupport.c (process_rtx): Use join_c_conditions to join the
13712         conditions of a define_insn_and_split.  Record a source location
13713         for the string after the "&&".
13714         (alter_test_for_insn): Use join_c_conditions.
13715
13716 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
13717
13718         Revert for now:
13719         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13720         PR tree-optimization/15784
13721         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13722         and -1 - A to ~A.
13723
13724 2005-03-04  Ben Elliston  <bje@au.ibm.com>
13725
13726         * gcc.c (option_map): Add --coverage.
13727         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
13728         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
13729         * config/darwin.h: Pass -lgcov for `coverage'.
13730         * doc/invoke.texi (Debugging Options): Document --coverage.
13731
13732 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13733
13734         * gcse.c (bypass_block): Use find_edge wherever possible.
13735
13736 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
13737
13738         Fix PR debug/20253
13739
13740         * c-opts.c (c_common_parse_file): Call start_source_file
13741         and end_source_file at the approriate times.
13742
13743         * dwarf2out.c (dwarf2out_finish): Don't auto-end
13744         the main file, it will be done for us now.
13745
13746 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13747
13748         * fold-const.c (fold_ternary): New.
13749         (fold): Call fold_ternary on ternary expressions.  Remove
13750         handling of ternary expressions.
13751
13752 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13753
13754         PR tree-optimization/15784
13755         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13756         and -1 - A to ~A.
13757
13758 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
13759
13760         * config/rs6000/predicates.md (branch_comparison_operator):
13761         Convert from C block to conditional format.
13762
13763 2005-03-03  Jan Hubicka  <jh@suse.cz>
13764
13765         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
13766         and non-constant public variables.
13767
13768 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
13769
13770         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
13771         with LABEL_EXPR.
13772
13773         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
13774         EDGE_I.
13775
13776         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
13777         calls to release_ssa_name and release_phi_node.
13778
13779         * fold-const.c (fold): Remove handling of unary expressions.
13780
13781         * fold-const.c (fold_unary): Avoid directly using the original
13782         expression t as much as possible.
13783
13784 2005-03-03  Roger Sayle  <roger@eyesopen.com>
13785             Andrew Pinski  <pinskia@physics.uc.edu>
13786
13787         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
13788         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
13789
13790 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
13791
13792         Describe special registers SRP and MOF as allocatable registers.
13793         * config/cris/cris.c (cris_md_asm_clobbers): New function.
13794         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
13795         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
13796         TARGET_HAS_MUL_INSNS.
13797         (cris_print_operand) <case 'd'>: New case.
13798         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
13799         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
13800         define.
13801         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
13802         (REG_ALLOC_ORDER): Update for MOF.
13803         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
13804         SPECIAL_REGS.
13805         (GENERAL_REGS): No longer a define of ALL_REGS.
13806         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
13807         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13808         Adjust accordingly.
13809         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
13810         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
13811         (SECONDARY_RELOAD_CLASS): Define.
13812         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
13813         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
13814         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
13815         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
13816         (REGISTER_MOVE_COST): Define.
13817         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
13818         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
13819         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
13820         (CRIS_MOF_REGNUM): New define_constants.
13821         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
13822         special registers.
13823         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
13824         New patterns.
13825         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
13826         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
13827         Adjust for MOF being properly described as a register.
13828         (indir_to_reg_split): Name this split.  Conditionalize on the
13829         destination register being a general register.
13830         (movei): Conditionalize on on operands 0 and 1 having the same
13831         register class.
13832
13833 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
13834
13835         PR target/20277
13836         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
13837         -mcpu to override any other explicitly given flags.
13838
13839 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
13840
13841         * recog.c (verify_changes, confirm_change_group): New functions,
13842         broken out of apply_change_group.
13843         (apply_change_group): Use them.
13844         * recog.h (verify_change, confirm_change_group): Declare.
13845         * rtl.h (redirect_jump_2): Declare.
13846         * jump.c (redirect_exp, invert_exp): Delete.
13847         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
13848         (redirect_jump_2): New function, broken out of redirect_jump.
13849         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
13850         (invert_jump): Use invert_jump_1 and redirect_jump_2.
13851         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
13852
13853 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
13854
13855         * varasm.c (named_section): Use xstrdup rather than doing it by
13856         hand.
13857
13858         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
13859
13860 2005-03-02  Devang Patel  <dpatel@apple.com>
13861
13862         Undo PR tree-optimization/18815 fix.
13863
13864 2005-03-02  Devang Patel  <dpatel@apple.com>
13865
13866         PR tree-optimization/18815
13867         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13868         loops with zero exit edges.
13869
13870 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13871
13872         * cfg.c (connect_src, connect_dest, disconnect_src,
13873         disconnct_dest): New.
13874         (unchecked_make_edge, remove_edge, redirect_edge_succ,
13875         redirect_edge_pred): Use the new functions.
13876
13877         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
13878         free_dominance_info only when needed.
13879
13880 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
13881
13882         PR target/20276
13883         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
13884         (reg_or_sub_cint64_operand): Same.
13885
13886 2005-03-02  Jeff Law  <law@redhat.com>
13887
13888         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
13889         CFG_ALTERED in the main DOM iteration loop.
13890
13891 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
13892
13893         PR c++/19916
13894         * varasm.c (initializer_constant_valid_p): Allow conversions
13895         between OFFSET_TYPEs.  Tidy.
13896
13897 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
13898
13899         * config/cris/cris.md ("return"): Remove epilogue delay list
13900         sanity check.
13901
13902 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
13903
13904         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
13905         for Thumb.
13906         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
13907
13908 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13909
13910         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
13911         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
13912         config/m68k/m68k.c, config/mips/mips.h,
13913         config/rs6000/rs6000-protos.h, doc/contrib.texi,
13914         doc/include/gcc-common.texi: Update copyright.
13915
13916         PR middle-end/18029 and PR middle-end/18030
13917         * expr.c (optimize_bitfield_assignment_op): Add a special case
13918         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
13919
13920         * fold-const.c (fold_unary): New.
13921         (fold): Call fold_unary on unary expressions.
13922
13923 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
13924
13925         * cgraph.h (struct cgraph_edge): Add prev_caller and
13926         prev_callee fields.
13927         (cgraph_node_remove_callees): Export.
13928         * cgraph.c (cgraph_create_edge): Initialize prev_caller
13929         and prev_callee.
13930         (cgraph_edge_remove_callee): New function.
13931         (cgraph_edge_remove_caller): Likewise.
13932         (cgraph_remove_edge): Use.
13933         (cgraph_redirect_edge_callee): Likewise.
13934         (cgraph_node_remove_callees): New function.
13935         (cgraph_node_remove_callers): Likewise.
13936         (cgraph_remove_node): Use.
13937         * tree-optimize.c (tree_rest_of_compilation): Use
13938         cgraph_node_remove_callees instead of manual loop.
13939         * cgraphunit.c (cgraph_finalize_function): Likewise.
13940         (cgraph_expand_function): Likewise.
13941         (cgraph_remove_unreachable_nodes): Likewise.
13942
13943 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
13944
13945         PR c/8927
13946         * c-tree.h (undeclared_variable, build_external_ref): Add extra
13947         argument.
13948         * c-decl.c (undeclared_variable): Take location as argument.
13949         * c-typeck.c (build_external_ref): Likewise.
13950         * c-parser.c (c_parser_postfix_expression): Pass location of
13951         identifier to build_external_ref.
13952
13953 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13954
13955         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
13956         CCEQ mode for branch_positive_comparison_operator test.
13957         * config/rs6000/predicates (branch_comparison_operator): Revert to
13958         define_predicate.
13959         (scc_comparison_operator): Same.
13960         (branch_positive_comparison_operator): Same.
13961
13962 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
13963
13964         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
13965         (cris_delay_slots_for_epilogue): Remove.
13966         (save_last): Move into cris_target_asm_function_epilogue.
13967         (cris_target_asm_function_epilogue): Remove tests for file being
13968         NULL.
13969         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
13970         (cris_delay_slots_for_epilogue): Remove prototypes.
13971         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
13972         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
13973
13974 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13975
13976         * config/rs6000/predicates.md (branch_comparison_operator): Change
13977         to define_special_predicate.
13978         (scc_comparison_operator): Same.
13979         (branch_positive_comparison_operator): Same.
13980
13981 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
13982
13983         * Makefile.in (tree-ssa-sink.o): New.
13984         (OBJS-common): Add tree-ssa-sink.o.
13985         * common.opt: Add -ftree-sink
13986         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
13987         * timevar.def (TV_TREE_SINK): new timevar.
13988         * tree-flow.h (is_hidden_global_store): Prototype.
13989         * tree-optimize.c (init_tree_optimization_passes): Add
13990         pass_sink_code.
13991         * tree-pass.h (pass_sink_code): New.
13992         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
13993         for non-obvious global store store to is_hidden_global_store, and
13994         call that new function.
13995         * tree-ssa-sink.c: New file.
13996         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
13997         * doc/passes.texi: Document forward store motion.
13998         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
13999         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
14000         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
14001         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
14002
14003 2005-03-01  Per Bothner  <per@bothner.com>
14004
14005         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
14006         and we have a non-zero column-number, add it to the message.
14007         Also factor out the diagnostic_kind_text.
14008
14009 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
14010
14011         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
14012         flow_loop_pre_header_scan, flow_loop_pre_header_find,
14013         flow_loop_scan): Removed.
14014         (flow_loop_dump): Do not dump removed fields.
14015         (flow_loop_free): Do not free removed fields.
14016         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
14017         (loop_exit_edge_p): New function.
14018         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
14019         num_pre_header_edges, entry_edges, num_entries, exit_edges,
14020         num_exits, exits_doms.
14021         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
14022         LOOP_EDGES, LOOP_ALL): Removed.
14023         (flow_loop_scan): Declaration removed.
14024         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
14025         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
14026         flow_loops_find.
14027         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
14028         (if_convert): Call flow_loops_find and flow_loops_free
14029         when calling mark_loop_exit_edges.
14030         * cfgloopanal.c (mark_loop_exit_edges): Moved from
14031         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
14032         free_dominance_info calls.
14033         * loop-init.c (flow_loops_find): Ditto.
14034         * passes.c (rest_of_handle_branch_prob): Ditto.
14035         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
14036         * loop-unroll.c (analyze_insns_in_loop): Do not use
14037         EDGE_LOOP_EXIT.
14038         * predict.c (predict_loops): Do not call flow_loop_scan.
14039         Use get_loop_exit_edges.
14040         (tree_estimate_probability): Do not pass flags to flow_loops_find.
14041         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
14042         Do not use EDGE_LOOP_EXIT.
14043         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
14044         to bb_with_exit_edge_p.
14045         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
14046         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
14047         to bb_with_exit_edge_p.
14048         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
14049         EDGE_LOOP_EXIT.
14050         * tree-loop-linear.c (linear_transform_loops): Do not call
14051         flow_loop_scan.  Use loop->single_exit.
14052         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
14053         (vect_analyze_loop_form): Do not call flow_loop_scan.
14054         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
14055         loop->single_exit.
14056         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
14057         loop->single_exit.
14058         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
14059         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14060         slpeel_tree_duplicate_loop_to_edge_cfg,
14061         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
14062         Use loop_preheader_edge and loop->single_exit.  Do not call
14063         flow_loop_scan.
14064
14065 2005-03-01  Nick Clifton  <nickc@redhat.com>
14066
14067         * config/arm/arm.c (thumb_find_work_register): Check all of the
14068         argument registers to see if they are free, and a couple of
14069         special cases where the last argument register but can be proved
14070         to be available during the function's prologue.
14071         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
14072         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
14073         thumb_unexpanded_epilogue): Use unsigned long as the type for the
14074         register bit-mask.
14075         (thumb_compute_save_reg_mask): Likewise.  Also use
14076         thumb_find_work_register() to ensure that there is agreement about
14077         which work register is going to be used in the prologue.
14078         (thumb_output_function_prologue): Use unsigned long as the type
14079         for the register bit-mask.  Also delay pushing the link register if
14080         other high registers are going to be pushed.
14081         (thumb_compute_save_reg_mask, emit_multi_reg_push,
14082         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
14083         redundant prototypes.
14084
14085 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
14086
14087         PR target/19819
14088         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
14089         and after reload in REG+REG indexed addresses without REG_POINTER
14090         set in the base and not set in the index.
14091
14092 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
14093
14094         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
14095         Don't undefine here.
14096         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
14097         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
14098         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
14099         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
14100         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
14101         Delete.
14102         * config.gcc (sh*-*-linux*): Use config/linux.h.
14103
14104 2005-02-28  Dale Johannesen  <dalej@apple.com>
14105             Stan Shebs  <shebs@apple.com>
14106
14107         Rewrite of 64-bit Darwin structure-by-value pass/return.
14108         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
14109         intoffset, use_stack, named.
14110         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
14111         (rs6000_darwin64_record_arg_advance_flush):  New.
14112         (rs6000_darwin64_record_arg_advance_recurse): New.
14113         (rs6000_darwin64_record_arg_flush):  New.
14114         (rs6000_darwin64_record_arg_recurse):  New.
14115         (rs6000_darwin64_record_arg):  New.
14116         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
14117         (function_arg_boundary):  Handle 128-bit aligned structs.
14118         (function_arg_advance):  Rewrite darwin64 struct handling.
14119         (function_arg):  Call rs6000_darwin64_record_arg.
14120         (function_arg_partial_nregs):  Handle darwin64 structs.
14121         (rs6000_darwin64_function_value):  Remove.
14122         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
14123
14124 2005-02-28  Roger Sayle  <roger@eyesopen.com>
14125
14126         PR tree-optimization/20216
14127         * tree-chrec.c (tree_fold_factorial): Delete.
14128         (tree_fold_binomial): Change argument list to take a return type
14129         and change the type of K to unsigned int.  Rewrite to avoid explicit
14130         evaluation of factorials, and (recursively) calling fold to perform
14131         compile-time arithmetic.  Return NULL on (internal) overflow.
14132         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
14133         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
14134         if any intermediate calculation overflows.
14135         (chrec_apply): Update call to chrec_evaluate.
14136
14137 2005-02-28  James E Wilson  <wilson@specifixinc.com>
14138
14139         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
14140
14141 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
14142
14143         PR c/20245
14144         * c-parser.c (c_parser_compound_statement): Return error_mark_node
14145         instead of NULL_TREE on error.
14146
14147 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
14148
14149         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
14150         (EASY_VECTOR_15_ADD_SELF): Remove.
14151         (num_insns_constant_wide): Not static.
14152         (validate_condition_mode): Not static.
14153         (toc_relative_expr_p): Not static.
14154         (legitimate_indirect_address_p): Not static.
14155         (macho_lo_sum_memory_operand): Not static.
14156         (invalid_e500_subreg): Not static.
14157         (easy_vector_same): Not static.
14158         (easy_vector_splat_const): Not static.
14159         (RS6000_SYMBOL_REF_TLS_P): Remove.
14160         (any_operand): Delete.
14161         (any_parallel_operand): Delete.
14162         (count_register_operand): Delete.
14163         (altivec_register_operand): Delete.
14164         (xer_operand): Delete.
14165         (s8bit_cint_operand): Delete.
14166         (short_cint_operand): Delete.
14167         (u_short_cint_operand): Delete.
14168         (non_short_cint_operand): Delete.
14169         (exact_log2_cint_operand): Delete.
14170         (gpc_reg_operand): Delete.
14171         (cc_reg_operand): Delete.
14172         (cc_reg_not_cr0_operand): Delete.
14173         (reg_or_short_operand): Delete.
14174         (reg_or_neg_short_operand): Delete.
14175         (reg_or_aligned_short_operand): Delete.
14176         (reg_or_u_short_operand): Delete.
14177         (reg_or_cint_operand): Delete.
14178         (reg_or_arith_cint_operand): Delete.
14179         (reg_or_add_cint64_operand): Delete.
14180         (reg_or_sub_cint64_operand): Delete.
14181         (reg_or_logical_cint_operand): Delete.
14182         (got_operand): Delete.
14183         (got_no_const_operand): Delete.
14184         (easy_fp_constant): Delete.
14185         (easy_vector_constant): Delete.
14186         (easy_vector_constant_add_self): Delete.
14187         (zero_constant): Delete.
14188         (zero_fp_constant): Delete.
14189         (volatile_mem_operand): Delete.
14190         (offsettable_mem_operand): Delete.
14191         (mem_or_easy_const_operand): Delete.
14192         (add_operand): Delete.
14193         (non_add_cint_operand): Delete.
14194         (logical_operand): Delete.
14195         (non_logical_cint_operand): Delete.
14196         (mask_operand): Delete.
14197         (mask_operand_wrap): Delete.
14198         (mask64_operand): Delete.
14199         (mask64_2_operand): Delete.
14200         (and64_operand): Delete.
14201         (and64_2_operand): Delete.
14202         (and_operand): Delete.
14203         (reg_or_mem_operand): Delete.
14204         (lwa_operand): Delete.
14205         (symbol_ref_operand): Delete.
14206         (call_operand): Delete.
14207         (current_file_function_operand): Delete.
14208         (input_operand): Delete.
14209         (rs6000_nonimmediate_operand): Delete.
14210         (rs6000_tls_symbol_ref): Delete.
14211         (save_world_operation): Delete.
14212         (restore_world_operation): Delete.
14213         (load_multiple_operation): Delete.
14214         (store_multiple_operation): Delete.
14215         (vrsave_operation): Delete.
14216         (mfcr_operation): Delete.
14217         (mtcrf_operation): Delete.
14218         (lmw_operation): Delete.
14219         (stmw_operation): Delete.
14220         (branch_comparison_operator): Delete.
14221         (branch_positive_comparison_operator): Delete.
14222         (scc_comparison_operator): Delete.
14223         (trap_comparison_operator): Delete.
14224         (boolean_operator): Delete.
14225         (boolean_or_operator): Delete.
14226         (min_max_operator): Delete.
14227         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
14228         (EASY_VECTOR_15): Moved to here.
14229         (EASY_VECTOR_15_ADD_SELF): Move to here.
14230         (PREDICATE_CODES): Delete.
14231         * config/rs6000/rs6000-protos.h: Delete predicate functions.
14232         Declare functions no longer static.
14233         * config/rs6000/predicates.md: New.
14234         * config/rs6000/rs6000.md: Include predicates.md
14235
14236 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
14237
14238         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
14239         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
14240         REG_ALWAYS_RETURN.
14241         * cfgrtl.c (need_fake_edge_p): Likewise.
14242         * combine.c (distribute_notes): Likewise.
14243         * emit-rtl.c (try_split): Likewise.
14244         * recog.c (peephole2_opimize): Likewise.
14245         * reg-notes.def (ALWAYS_RETURN): Remove.
14246         * rtl.h (LCT_ALWAYS_RETURN): Remove.
14247         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
14248         * tree.h (ECF_ALWAYS_RETURN): Remove.
14249
14250 2005-02-28  Roger Sayle  <roger@eyesopen.com>
14251
14252         PR middle-end/19874
14253         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
14254         between different machine modes is never a "useless" conversion.
14255
14256 2005-02-28  Geert Bosch  <bosch@gnat.com>
14257
14258         PR ada/15977
14259         * doc/contrib.texi: List contributors for Ada front end
14260
14261 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
14262
14263         * simplify-rtx.c (simplify_unary_operation_1,
14264         simplify_const_unary_operation): New, extracted from...
14265         (simplify_unary_operation): ... this one.
14266         (simplify_binary_operation_1,
14267         simplify_const_binary_operation): New, extracted from...
14268         (simplify_binary_operation): ... this one.
14269         * rtl.h (simplify_const_unary_operation,
14270         simplify_const_binary_operation): Add prototypes.
14271
14272 2005-02-28  Julian Brown  <julian@codesourcery.com>
14273
14274         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
14275         building libjava and caused PR regression/20228.
14276
14277 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
14278
14279         PR bootstrap/17383
14280         * Makefile.in (host_subdir): New.
14281         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
14282         * configure: Regenerate.
14283
14284 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
14285
14286         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
14287         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
14288         installation directory first.
14289
14290 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
14291
14292         PR target/19065.
14293         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
14294         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
14295         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
14296         * config/cris/cris.md: Tweak comments referring to Q.
14297         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
14298         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
14299         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
14300         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
14301         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
14302         Insert spaces in constraints to align alternatives vertically for
14303         readability.
14304         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
14305         operand 1: "M".
14306
14307 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14308
14309         PR rtl-optimization/17728
14310         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
14311         operand 0 from general_operand to move_dest_operand.
14312
14313 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14314
14315         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
14316         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
14317         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
14318         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
14319
14320 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
14321
14322         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
14323         * configure: Regenerate.
14324         * libada-mk.in: Remove CC; rename
14325         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
14326
14327 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
14328
14329         PR tree-opt/20188
14330         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
14331         for the lhs, also walk over the tree.  Likewise for rhs.
14332
14333 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
14334
14335         * tree-ssa-dom.c (simple_iv_increment_p): New function.
14336         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
14337         Do not propagate value of iv before increment over the increment.
14338
14339 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
14340
14341         * c-parser.c: New file.
14342         * c-parse.in: Remove.
14343         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
14344         Remove.
14345         (c-parser.o): Add dependencies.
14346         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
14347         maintainer-clean, TAGS): Update.
14348         * c-config-lang.in (gtfiles): Update.
14349         * gengtype-lex.l: Don't handle "@@".
14350         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
14351         objc_build_synchronized, objc_begin_try_stmt,
14352         objc_begin_catch_clause, objc_finish_catch_clause,
14353         objc_build_finally_clause, objc_finish_try_stmt): New.
14354         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
14355         type_seen_p.
14356         (c_parse_init): Update comment.
14357         * c-decl.c (c_init_decl_processing): Update comment.
14358         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
14359         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
14360         new c_declspecs members.
14361
14362 2005-02-25  Julian Brown  <julian@codesourcery.com>
14363
14364         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
14365         from being used for symbols with vague linkage when
14366         HAVE_GAS_COMDAT_GROUP is true.
14367
14368 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
14369
14370         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
14371
14372 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
14373
14374         PR target/19930
14375         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
14376         (LIBGCC2_HAS_DF_MODE): New.
14377         (LIBGCC2_HAS_XF_MODE): New.
14378         (LIBGCC2_HAS_TF_MODE): New.
14379         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
14380         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
14381         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
14382         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
14383         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
14384         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
14385         and add _fixtfdi, _fixunstfdi, _floatditf
14386         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
14387         L_fixunstfdi, L_floatditf.
14388         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
14389         (LIBGCC2_HAS_TF_MODE): Define.
14390
14391 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
14392
14393         PR tree-optimization/20204
14394         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
14395         REWRITE_THIS_STMT markers on PHI nodes.
14396         (rewrite_initialize_block): Likewise.
14397
14398 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
14399
14400         * version.c (version_string): Update to 4.1.
14401
14402 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
14403
14404         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
14405         Clarify that the alternative way doesn't work in GNU C++.
14406
14407 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
14408
14409         PR tree-optimization/19937
14410         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
14411         to the type of the induction variable.
14412
14413 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14414
14415         PR rtl-optimization/20117
14416         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
14417         the block including noncopyable insn.
14418
14419 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
14420
14421         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
14422         calls to find_reg_note.
14423
14424 2005-02-24  Richard Henderson  <rth@redhat.com>
14425
14426         PR tree-opt/20127
14427         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
14428         the type.
14429
14430 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
14431
14432         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
14433         vector types if to use base reg for misaligned non-word ld/std.
14434
14435 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
14436
14437         PR target/14619
14438         * config/cris/cris.c (cris_target_asm_function_prologue): Create
14439         dwarf2 label manually and put it after, not before the prologue.
14440
14441 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
14442
14443         PR target/19019
14444         * reload.c (operands_match_p): Only increment register number for
14445         SCALAR_INT_MODE_P modes in multiple hard registers.
14446
14447         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
14448         Fix formatting.
14449
14450 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14451
14452         * ChangeLog.5: Fix log message typo(s).
14453         * ChangeLog.7: Likewise.
14454         * ChangeLog.tree-ssa: Likewise.
14455         * cfgexpand.c: Fix comment typo(s).
14456         * conflict.c: Likewise.
14457         * defaults.h: Likewise.
14458         * dwarf2out.c: Likewise.
14459         * gcse.c: Likewise.
14460         * ggc-page.c: Likewise.
14461         * tree-eh.c: Likewise.
14462         * tree-ssa-dom.c: Likewise.
14463
14464 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
14465
14466         PR target/19019
14467         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
14468         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
14469         if SHARED is defined.
14470
14471         PR target/20196
14472         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
14473         allow splitting only if operands 0 and 3 don't overlap.
14474
14475 2005-02-24  Richard Henderson  <rth@redhat.com>
14476
14477         PR middle-end/19953
14478         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
14479         (fold_builtin_1): Call them.
14480         * fold-const.c (fold_complex_mult_parts): Split out from ...
14481         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
14482         (fold_complex_div_parts, fold_complex_div): New.
14483         (fold): Use them.
14484         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
14485
14486 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14487
14488         * tree-ssa-ccp.c (visit_assignment): Verify that result of
14489         VIEW_CONVERT_EXPR is_gimple_min_invariant.
14490
14491         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
14492         (print_node): Likewise.
14493         Print TYPE_SIZES_GIMPLIFIED.
14494
14495 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
14496
14497         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
14498         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
14499         operands as commutative in constraints.
14500
14501 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
14502
14503         * tree-into-ssa.c: Re-organize internal functions.
14504
14505 2005-02-24  Richard Henderson  <rth@redhat.com>
14506
14507         PR middle-end/18902
14508         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
14509         for c99.
14510         * common.opt (fcx-limited-range): New.
14511         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
14512         * toplev.c (flag_complex_method): Initialize to 1.
14513         (process_options): Set flag_complex_method to 0 if
14514         flag_cx_limited_range.
14515         * doc/invoke.texi (-fcx-limited-range): New.
14516
14517 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
14518
14519         * cse.c (delete_trivially_dead_insns): Speed up by using
14520         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
14521         prev_real_insn.
14522
14523 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
14524
14525         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
14526         functions when -mid-shared-library is being used.
14527
14528 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
14529
14530         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
14531         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
14532         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
14533         * system.h: Poison LINK_LIBGCC_SPECIAL.
14534
14535 2005-02-23  James E Wilson  <wilson@specifixinc.com>
14536
14537         * gengtype.c (note_insn_name): Make 1 element larger.
14538
14539 2005-02-23  Roger Sayle  <roger@eyesopen.com>
14540
14541         PR target/20018
14542         PR rtl-optimization/20097
14543         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14544         BImode SUBREGs of SImode registers which confuse the ia64 backend.
14545
14546 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
14547
14548         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
14549         * t-aix52 (SHLIB_INSTALL): Same.
14550
14551 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
14552
14553         * genpreds.c: Update copyright.
14554
14555 2005-02-23  Michael Beach  <michaelb@ieee.org>
14556
14557         PR target/20159
14558         * config/sparc/t-elf (startup files): Assemble with CPP.
14559
14560 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
14561
14562         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
14563         (write_predicate_expr): Likewise.
14564
14565 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
14566
14567         PR tree-optimization/20100
14568         PR tree-optimization/20115
14569         * tree-optimize.c (init_tree_optimization_passes): Remove
14570         pass_maybe_create_global_var.
14571         * tree-pass.h (pass_maybe_create_global_var): Remove.
14572         * tree-ssa-alias.c (aliases_computed_p): Declare.
14573         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
14574         (count_calls_and_maybe_create_global_var): Remove.
14575         (pass_maybe_create_global_var): Remove.
14576         (init_alias_info): Do not declare aliases_computed_p.
14577         (maybe_create_global_var): If the function contains no
14578         call-clobbered variables and a mix of pure/const and regular
14579         function calls, create .GLOBAL_VAR.
14580         Mark all call-clobbered variables for renaming.
14581         (merge_pointed_to_info): Update comment.
14582         (add_pointed_to_var): Likewise.
14583         (is_escape_site): Likewise.
14584         Accept struct alias_info * instead of size_t *.
14585         Update all users.
14586         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
14587         as necessary.
14588         * tree-ssa-operands.c (get_call_expr_operands): If
14589         ALIASES_COMPUTED_P is false, do not add call-clobbering
14590         operands.
14591         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
14592         (delete_tree_ssa): Likewise.
14593
14594 2005-02-22  James E Wilson  <wilson@specifixinc.com>
14595
14596         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
14597         (do_compile): Do call it here.
14598
14599 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
14600
14601         PR rtl-optimization/20017.
14602         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
14603         rest_of_handle_cse2, rest_of_handle_gcse): Call
14604         delete_dead_jumptables immediately before calling cleanup_cfg.
14605
14606 2005-02-22  Devang Patel  <dpatel@apple.com>
14607
14608         PR 19952
14609         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
14610         all labels
14611
14612 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
14613
14614         * config/rs6000/aix.h (WINT_TYPE): Define.
14615
14616 2005-02-22  Stan Shebs  <shebs@apple.com>
14617
14618         * config/rs6000/rs6000.c (rs6000_override_options): Default to
14619         natural alignment for 64-bit Darwin.
14620         (rs6000_parse_alignment_option): Warn about uses of -malign-power
14621         on 64-bit Darwin.
14622         * doc/invoke.texi: Document this.
14623
14624 2005-02-22  DJ Delorie  <dj@redhat.com>
14625
14626         * c-common.c (c_common_type_for_mode): Pass the mode's precision
14627         to make_[un]signed_type, not the mode itself.
14628
14629 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
14630
14631         * cfg.c (cached_make_edge): Call make_edge if edge cache is
14632         not available.  Use tail calls wherever possible.
14633         (make_edge): Call unchecked_make_edge to create an edge.
14634
14635         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
14636         (coalesce_ssa_name): Don't check for
14637         SSANORM_USE_COALESCE_LIST.
14638         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
14639
14640 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
14641
14642         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
14643         (rewrite_into_ssa): ... here.
14644
14645 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
14646
14647         PR tree-optimization/19786
14648         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
14649         tag to another's may-alias bitmap when adding to the other's list.
14650
14651 2005-02-21  DJ Delorie  <dj@redhat.com>
14652
14653         * tree-ssa-loop-ivopts.c (computation_cost): Start register
14654         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
14655         registers in unsupported ways.
14656         * expmed.c (init_expmed): Likewise.
14657
14658 2005-02-21  Stan Cox  <scox@redhat.com>
14659
14660         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
14661
14662 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
14663
14664         * tree-cfg.c (fold_cond_expr_cond): New.
14665         (make_edges): Call fold_cond_expr_cond.
14666         (find_taken_edge): Accept nothing but INTEGER_CST.
14667         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
14668         and 1.
14669         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
14670
14671         * flow.c (delete_dead_jumptables): Speed up by scanning insns
14672         that do not belong to any basic block.
14673
14674 2005-02-21  Jeff Law  <law@redhat.com>
14675
14676         * cfganal.c (find_unreachable_blocks): Manually CSE load of
14677         e->dest.
14678
14679 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
14680
14681         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
14682         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
14683         Adjust their definitions.
14684         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
14685         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
14686
14687         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
14688         genautomata.c, langhooks.c, langhooks.h, system.h,
14689         config/arm/lib1funcs.asm: Update copyright.
14690
14691 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
14692
14693         * dbxout.c (dbxout_function_end): Emit Lscope label always.
14694
14695 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
14696
14697         PR bootstrap/13770
14698         * doc/install.texi: Document --with-gc.
14699
14700 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
14701
14702         * simplify-rtx.c (simplify_unary_operation): Add a missing
14703         "break" statement.
14704
14705 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14706
14707         PR tree-optimization/18663
14708         * tree-ssa-dom.c (extract_range_from_cond): Return 0
14709         if the type has variable bounds.
14710
14711 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
14712
14713         * gcse.c: Remove an obsolete comment.
14714
14715         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
14716
14717 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
14718
14719         * doc/extend.texi (Function Attributes) <Attribute const>: The
14720         attribute "pure" is below this text, not above.
14721
14722 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14723
14724         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
14725         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
14726         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
14727
14728 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
14729
14730         PR 18785
14731         * langhooks.h (struct lang_hooks): Add to_target_charset.
14732         * langhooks.c (lhd_to_target_charset): New function.
14733         * langhooks-def.h: Declare lhd_to_target_charset.
14734         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
14735         (LANG_HOOKS_INITIALIZER): Update.
14736         * c-common.c (c_common_to_target_charset): New function.
14737         * c-common.h: Declare it.
14738         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
14739         c_common_to_target_charset.
14740
14741         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
14742         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
14743         Delete definitions.
14744         * system.h: Poison them.
14745         * doc/tm.texi: Don't discuss them.
14746         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
14747         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
14748         (pp_c_char): Do not attempt to generate letter escapes for
14749         newline, tab, etc.
14750         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
14751         * config/mips/mips.c (mips_output_ascii): Likewise.
14752
14753 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
14754
14755         PR tree-optimization/19951
14756         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
14757         is abnormal.
14758
14759 2005-02-19  Steven Bosscher  <stevenb@suse.de>
14760
14761         PR middle-end/19698
14762         * function.h (struct function): New field `max_loop_depth'.
14763         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
14764         (flow_loops_find): Reset the max loop depth count before finding loops.
14765         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
14766         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
14767         (calculate_global_regs_live): Make sure the loop will terminate
14768         when the initial sets are not empty.
14769
14770 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
14771
14772         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
14773         object inside.
14774         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
14775
14776 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
14777
14778         PR other/19525
14779         * doc/invoke.texi: Remove documentation of %M spec.
14780         * gcc.c: Likewise.
14781         (init_spec): Remove %M suffix from -lgcc_s.
14782         (do_spec_1): Remove 'M' case.
14783         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
14784         to put shared libraries in the multilib directory.  Remove the
14785         shlib_so_soname substitution variable.  Don't add a multilib encoding
14786         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
14787         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
14788         SHLIB_INSTALL as well as SHLIB_LINK.
14789         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
14790         (SHLIB_NAME): Delete.
14791         (SHLIB_DIR): New macro.
14792         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
14793         (SHLIB_INSTALL): Adjust accordingly.
14794         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
14795         * config/t-slibgcc-sld: Likewise.
14796         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
14797         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
14798         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
14799         in $(SHLIB_DIR).
14800         (SHLIBUNWIND_INSTALL): Adjust accordingly.
14801         * config/i386/t-nwld (SHLIB_SONAME): Delete.
14802         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
14803         Use @shlib_base_name@ instead of @shlib_so_name@.
14804         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
14805         and @shlib_base_name@.so in @multilib_dir@.
14806         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
14807         to the install path.
14808         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
14809         (SHLIB_LINK): Remove previous workaround.
14810         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
14811         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
14812         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
14813         the install path.
14814         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
14815         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
14816         (SHLIB_INSTALL): Adjust accordingly.
14817         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
14818         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
14819         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
14820         config/t-slibgcc-elf-ver.
14821
14822 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
14823             Jakub Jelinek  <jakub@redhat.com>
14824
14825         PR tree-optimization/19828
14826         * tree-ssa-loop-im.c: Add a TODO comment.
14827         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
14828         without side-effects.
14829
14830 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14831
14832         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
14833         call fold_convert.
14834
14835 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
14836
14837         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
14838         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
14839         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
14840         functions.
14841         (ia64_reorg): Delete fixup_errata call.
14842         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
14843         (TARGET_SWITCHES): Delete -mb-step entry.
14844
14845 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
14846
14847         PR c/20043
14848         * c-typeck.c (composite_type): Handle quals in transparent unions.
14849         (type_lists_compatible_p): Likewise.
14850
14851 2005-02-18  Stan Shebs  <shebs@apple.com>
14852
14853         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
14854         expressions in the .literal8 section.
14855
14856 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
14857
14858         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
14859
14860 2005-02-18  Roger Sayle  <roger@eyesopen.com>
14861
14862         * fold-const.c (constant_boolean_node): Always create values of the
14863         specified type, don't bother calling truthvalue_conversion.
14864
14865 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14866
14867         * except.c (output_function_exception_table): Call
14868         assemble_external_libcall (eh_personality_libfunc).
14869
14870 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14871
14872         PR target/19886
14873         * config/ia64/ia64.h (struct machine_function): Add state_num.
14874         * config/ia64/ia64.c (process_epilogue,
14875         process_for_unwind_directive): Use new unwind state numbers each
14876         time rather than state 1.
14877
14878 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
14879
14880         PR target/20054
14881         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
14882         before the "*llgt_didi" pattern.
14883
14884 2005-02-18  Jason Merrill  <jason@redhat.com>
14885
14886         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
14887
14888 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
14889
14890         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
14891         (div0): Use it in place of ARM_FUNC_ALIAS.
14892         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
14893
14894 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
14895
14896         PR middle-end/20030
14897         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
14898         access, the lower bound of the array type if it exists.
14899
14900 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
14901
14902         PR c++/20008
14903         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
14904         cases that are out-of-range for the index type.
14905
14906 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14907
14908         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
14909         (estimate_case_costs): Don't call convert.
14910         * expmed.c (expand_shift): Likewise.
14911         (make_tree): Call fold_convert instead of convert.
14912
14913 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14914
14915         PR c++/19813
14916         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
14917         that ref to be marked MEM_READONLY_P doesn't have base that needs
14918         constructing.
14919
14920 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14921
14922         * genautomata.c (output_get_cpu_unit_code_func,
14923         output_cpu_unit_reservation_p): Don't generate old-style function
14924         definitions.
14925
14926 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14927
14928         PR c++/20023
14929         PR tree-optimization/20009
14930         * convert.c (convert_to_integer): Revert 2005-02-16 change.
14931
14932         PR tree-optimization/18947
14933         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
14934         inline, remove all nodes that are inlined into the extern inline
14935         being redefined.
14936
14937 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14938
14939         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
14940         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
14941         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
14942         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
14943         Update copyright.
14944
14945 2005-02-17  Roger Sayle  <roger@eyesopen.com>
14946
14947         PR tree-optimization/19917
14948         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
14949         to be potentially trapping.
14950
14951 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14952
14953         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
14954
14955 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
14956
14957         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
14958         tem becomes a local variable which is set to the value of the
14959         back end defined INITIAL_FRAME_ADDRESS macro.
14960         (expand_builtin_frame_address): Omit the base parameter to
14961         expand_builtin_return_addr.
14962         (expand_builtin_profile_func): Likewise.
14963         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
14964         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
14965         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
14966
14967 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
14968
14969         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
14970         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
14971         * config/frv/frv.c (frv_function_epilogue): Likewise.
14972
14973 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
14974
14975         * lambda-code (perfect_nestify): Remove mark/unmark
14976         for rewriting hack.
14977         * tree-loop-linear.c (linear_transform_loops): Add
14978         rewrite_into_ssa call so that ssa is correct for
14979         rewriting into loop closed.
14980
14981 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
14982
14983         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
14984         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
14985         BITMAP_FREE.
14986         * bt-load.c (btr_def_live_range, combine_btr_defs,
14987         migrate_btr_def, migrate_btr_defs): Likewise.
14988         * cfgcleanup.c (thread_jump): Likewise.
14989         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14990         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
14991         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
14992         df_rd_local_compute, df_reg_info_compute): Likewise.
14993         * dominance.c (init_dom_info, free_dom_info): Likewise.
14994         * flow.c (init_propagate_block_info,
14995         free_propagate_block_info): Likewise.
14996         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
14997         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
14998         modify_reg_pav): Likewise.
14999         * loop-invariant.c (find_defs, find_invariant_insn,
15000         find_invariants, free_inv_motion_data): Likewise.
15001         * predict.c (tree_predict_by_opcode,
15002         estimate_bb_frequencies): Likewise.
15003         * stmt.c (expand_case): Likewise.
15004         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
15005         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
15006         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
15007         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
15008         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
15009         rewrite_ssa_into_ssa): Likewise.
15010         * tree-optimize.c (tree_rest_of_compilation): Likewise.
15011         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
15012         analyze_edges_for_bb, perform_edge_inserts): Likewise.
15013         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
15014         * tree-sra.c (tree_sra): Likewise.
15015         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
15016         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
15017         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
15018         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
15019         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
15020         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
15021         Likewise.
15022         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
15023         calculate_live_on_entry, calculate_live_on_exit,
15024         build_tree_conflict_graph): Likewise.
15025         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
15026         record_important_candidates, set_use_iv_cost, find_depends,
15027         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
15028         tree_ssa_iv_optimize_finalize): Likewise.
15029         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
15030         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
15031         tree_duplicate_loop_to_header_edge): Likewise.
15032         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
15033         * tree-ssa.c (verify_flow_insensitive_alias_info,
15034         verify_name_tags, verify_ssa, init_tree_ssa,
15035         delete_tree_ssa): Likewise.
15036         * tree-ssanames.c (marked_ssa_names, init_ssanames,
15037         fini_ssanames): Likewise.
15038         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
15039
15040 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
15041
15042         * config/rs6000/t-rtems: Completely reworked.
15043
15044 2005-02-17  Ira Rosen  <irar@il.ibm.com>
15045
15046         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
15047
15048 2005-02-17  Ira Rosen  <irar@il.ibm.com>
15049
15050         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
15051         POINTER_TYPE_P when checking that type is a pointer.
15052         (vect_get_memtag): Remove.
15053         (vect_address_analysis): Use POINTER_TYPE_P. Call
15054         vect_object_analysis with dummy parameter for memtag.
15055         (vect_object_analysis): Extract memtag (functionality that
15056         used to be in vect_get_memtag and moved here). Fix printings.
15057         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
15058         with correct parameters. Remove call to vect_get_memtag.
15059
15060 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
15061
15062         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
15063         (tree-vectorizer.o): Added missing dependencies.
15064
15065         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
15066         decleration.
15067         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
15068         declaration in tree-vectorizer.c, now has an extern declaration in
15069         tree-vectorizer.h).
15070         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15071         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
15072         get_vectype_for_scalar_type, vect_is_simple_use,
15073         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
15074         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
15075         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
15076         vectorizable_store, vectorizable_operation, vectorizable_assignment,
15077         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
15078         find_loop_location): Likewise.
15079
15080         * tree-vectorizer.c (langhooks.h): #include removed.
15081         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
15082         moved to tree-vectorized.h.
15083         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15084         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
15085         get_vectype_for_scalar_type, vect_is_simple_use,
15086         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
15087         vect_supportable_dr_alignment, new_loop_vec_info,
15088         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
15089         vect_set_verbosity_level, find_loop_location): Likewise.
15090
15091         (vect_analyze_loop): Function externalized. Declaration moved to
15092         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
15093         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
15094         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
15095         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
15096         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
15097         vect_enhance_data_refs_alignment, vect_analyze_operations,
15098         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
15099         vect_stmt_relevant_p, vect_get_loop_niters,
15100         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
15101         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
15102         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
15103         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
15104         vect_get_memtag): Likewise.
15105
15106         (vectorizable_load): Function externalized. Declaration moved to
15107         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
15108         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
15109         vect_transform_loop): Likewise.
15110         (vect_transform_stmt): Moved to tree-vect-transform.c.
15111         (vect_align_data_ref, vect_create_destination_var,
15112         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
15113         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
15114         vect_get_vec_def_for_operand, vect_init_vector,
15115         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
15116         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
15117         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
15118         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
15119         vect_do_peeling_for_loop_bound): Likewise.
15120
15121         * tree-vect-analyze.c: New file.
15122         * tree-vect-transform.c: New file.
15123
15124 2005-02-17  Jason Merrill  <jason@redhat.com>
15125
15126         PR mudflap/19319, c++/19317
15127         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
15128         slot explicit.
15129
15130 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
15131
15132         * doc/install.texi (Specific): Update link for Darwin-specific
15133         tool binary site.
15134
15135 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
15136
15137         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
15138         constant_boolean_node.
15139
15140 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
15141
15142         PR target/19019
15143         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
15144         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
15145
15146 2005-02-16  Richard Henderson  <rth@redhat.com>
15147
15148         PR 19920
15149         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
15150         with W_TYPE_SIZE.
15151         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
15152         replace uses with Wtype_MAXp1_F.
15153         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
15154         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
15155         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
15156         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
15157         and HAVE_TFMODE as appropriate.
15158         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
15159         (__floatdisf): Likewise.
15160         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
15161         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
15162         (Wtype_MAXp1_F): New.
15163         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
15164         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
15165
15166 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
15167
15168         * PR target/19162
15169         * arm.c (arm_apply_result_size): New function.
15170         * arm.h (APPLY_RESULT_SIZE): Define.
15171         * arm-protos.h (arm_apply_result_size): Add prototype.
15172         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
15173         (movxf): New expand.
15174         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
15175         (call_value_symbol): Remove predicate for operand 0.
15176         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
15177         (untyped_call): Rework to correclty return values for any type.
15178         (untyped_return): New expand.
15179         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
15180
15181 2005-02-16  Stan Shebs  <shebs@apple.com>
15182
15183         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
15184         * config/rs6000/t-darwin8: New, for 64-bit multilib.
15185
15186 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
15187
15188         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
15189         configure settings on Solaris 7 and later.
15190
15191 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
15192
15193         PR tree-optimization/19865
15194         * tree-optimize.c (init_tree_optimization_passes): Run
15195         pass_may_alias after pass_sra.
15196
15197 2005-02-16  Richard Henderson  <rth@redhat.com>
15198             Stuart Hastings  <stuart@apple.com>
15199
15200         PR debug/19521
15201         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
15202         Do nothing if debug info suppressed for this function.
15203         (dbxout_begin_function): Early exit if debug info suppressed for
15204         this function.
15205
15206 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
15207
15208         PR target/20007
15209         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
15210         find_basic_blocks.
15211         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
15212
15213         PR tree-optimization/19967
15214         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
15215         expand_builtin_strchr, expand_builtin_strrchr): Take a new
15216         argument TYPE.  Adjust calls to fold_builtin_XXX.
15217         (expand_builtin, fold_builtin_1): Adjust calls to
15218         expand_builtin_XXX.
15219         (fold_builtin_strchr, fold_builtin_strpbrk,
15220         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
15221         result to a requested type TYPE.
15222
15223 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
15224
15225         PR middle-end/19857
15226         * fold-const.c (fold): Don't optimize (T)(x & cst) to
15227         (T)x & (T)cst if (T)cst overflows.
15228         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
15229         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
15230
15231 2005-02-15  Jeff Law  <law@redhat.com>
15232
15233         * gcse.c (blocks_with_calls): New bitmap.
15234         (alloc_gcse_mem): Allocate it.
15235         (free_gcse_mem): Free it.
15236         (clear_modifY_mem_tables): Clear it.
15237         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
15238         when we encounter CALL_INSNs.
15239         (compute_transp, case MEM): Handle blocks with calls separate
15240         from blocks without calls.  Use bitmap iterators rather than
15241         FOR_EACH_BB.
15242
15243 2005-02-15  Peter O'Gorman  <peter@pogma.com>
15244
15245         PR bootstrap/18810
15246         * mklibgcc.in (vis_hide): Use a temporary object file, not
15247         -o /dev/null.
15248
15249 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
15250
15251         PR target/19924
15252         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
15253         access optimization.
15254
15255 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
15256             Alan Modra  <amodra@bigpond.net.au>
15257
15258         PR target/19019
15259         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
15260         (_xlqsub): Rename to __gcc_qsub.
15261         (_xlqmul): Rename to __gcc_qmul.
15262         (_xlqdiv): Rename to __gcc_qdiv.
15263         Provide versioned symbol aliases with old names.
15264         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
15265         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
15266         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
15267         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
15268         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
15269
15270 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
15271
15272         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
15273         Fold ~(A - 1) and ~(A + -1) to -A.
15274
15275 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
15276
15277         PR pch/14940
15278         PR target/19300
15279         * config/host-linux.c (linux_gt_pch_use_address): Copy from
15280         config/pa/pa-host.c:pa_gt_pch_use_address.
15281
15282 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
15283
15284         * tree-vn.c (get_value_handle): Make sure that given an
15285         is_gimple_min_invariant expression, we always return it.
15286
15287 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
15288
15289         * passes.c (rest_of_handle_gcse): Fix a comment.
15290
15291 2005-02-15  Jeff Law  <law@redhat.com>
15292
15293         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
15294         bitmap.
15295         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
15296         (canon_list_insert, record_last_mem_set_info): Similarly.
15297         (clear_modify_mem_tables): Similarly.
15298
15299 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
15300
15301         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
15302         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
15303         config/mips/mips.md, config/rs6000/aix.h,
15304         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
15305
15306 2005-02-15  Richard Henderson  <rth@redhat.com>
15307
15308         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
15309         call to be best_edge.
15310
15311 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
15312
15313         * basic-block.h: Adjust the prototype for find_basic_blocks.
15314         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
15315         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
15316         find_basic_blocks.
15317
15318         * flow.c (recompute_reg_usage): Remove all arguments.
15319         * passes.c (rest_of_compilation): Adjust the call to
15320         recompute_reg_usage.
15321         * rtl.h: Adjust the prototype for recompute_reg_usage.
15322
15323 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
15324
15325         * tree-dump.c (dump_files): Update to reflect new member
15326         of dump_file_info.
15327         (dump_register): Add new argument.
15328         Set glob name.
15329         (dump_switch_p_1): Check against glob name if doglob was passed.
15330         (dump_switch_p): Check against regular first, then glob if
15331         we didn't have any hits on the dump name.
15332         * tree-optimize.c (register_one_dump_file):
15333         Pass in glob name as well.
15334         * tree-pass.h (struct dump_file_info): Add glob
15335         member.
15336
15337 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
15338
15339         PR preprocessor/16323
15340         * doc/invoke.texi: Document that -Wendif-labels is on by default.
15341
15342 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
15343
15344         PR target/19019
15345         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
15346         (trunctfdf2_internal1): New.
15347         (trunctfdf2_internal2): Renamed from trunctfdf2.
15348
15349 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
15350
15351         PR tree-optimization/19853
15352         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
15353
15354 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
15355
15356         * passes.c (rest_of_handle_loop_optimize): Remove calls to
15357         delete_dead_jumptables and cleanup_cfg.
15358
15359 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
15360
15361         * reload.c (find_reloads): Swap address_reloaded flags when
15362         swapping commutative operands.
15363
15364 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
15365
15366         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
15367         Use standard_iv_increment_position for computing the bsi position
15368         for create_iv.
15369         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
15370         the bsi position.
15371
15372 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
15373
15374         PR target/17428
15375         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
15376         life range of hard registers.
15377         * value-prof.c (insn_prefetch_values_to_profile): Only
15378         scan normal insns.
15379
15380         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
15381         profile in libcalls.
15382
15383 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
15384
15385         * bitmap.h (bitmap_and_compl_into): Return bool.
15386         * bitmap.c (bitmap_and_compl_into): Return changed flag.
15387
15388 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
15389
15390         PR tree-optimization/19944
15391         * fold-const.c (fold): Re-add ABS_EXPR folding.
15392
15393 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
15394
15395         PR target/19019
15396         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
15397         {TARGET,MASK}_XL_COMPAT.
15398         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
15399         MASK_XL_COMPAT.
15400         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
15401         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
15402         TARGET_XL_COMPAT.
15403         (rs6000_arg_partial_bytes): Same.
15404         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
15405         and XL compatibility enabled.
15406         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
15407         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
15408         test to final condition.
15409         (cmptf_internal2): New.
15410         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
15411         xl-compat.  Add TFmode information to description.
15412
15413 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
15414
15415         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
15416
15417 2005-02-13  Jason Merrill  <jason@redhat.com>
15418
15419         PR c++/16405
15420         * fold-const.c (fold_indirect_ref_1): Split out from...
15421         (build_fold_indirect_ref): Here.
15422         (fold_indirect_ref): New fn.
15423         * tree.h: Declare it.
15424         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
15425         (gimplify_modify_expr_rhs): Likewise.
15426         (gimplify_expr): Likewise.
15427
15428 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
15429
15430         PR tree-optimization/14303
15431         PR tree-optimization/15784
15432         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
15433         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
15434         ABS_EXPR<x> != 0 to x != 0.
15435
15436 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
15437
15438         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
15439         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
15440         spelling conventions.
15441
15442         * passes.c (rest_of_handle_gcse): Don't run cse_main and
15443         delete_trivially_dead_insns too many times.
15444
15445         * passes.c (rest_of_handle_gcse): Remove dead assignments to
15446         tem and tem2.
15447
15448 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15449
15450         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
15451         (vect_is_simple_iv_evolution): Remove redundant parameter
15452         and step check.
15453         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
15454         without last parameter.
15455         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
15456         Return pointer step. Call vect_is_simple_iv_evolution without
15457         last parameter. Check only that the step is multiple of size
15458         type. Remove stmt_vinfo updates.
15459         (vect_get_memtag_and_dr): Remove.
15460         (vect_get_memtag): New function.
15461         (vect_address_analysis): New function.
15462         (vect_object_analysis): New function.
15463         (vect_analyze_data_refs): Call vect_object_analysis and
15464         vect_get_memtag. Update stmt_vinfo fields.
15465
15466 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15467
15468         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
15469         exist and are objects. Remove checks for pointer.
15470         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
15471         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
15472         (vect_create_data_ref_ptr): Likewise.
15473         (vect_base_addr_differ_p): New function.
15474         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
15475         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
15476         Don't set the DR_BASE_NAME field of data-ref.
15477         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
15478
15479 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
15480
15481         * optabs.h (enum optab_index): Add new OTI_ldexp.
15482         (ldexp_optab): Define corresponding macro.
15483         * optabs.c (init_optabs): Initialize ldexp_optab.
15484         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
15485         patterns.
15486         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
15487         using ldexp_optab.
15488         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
15489         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
15490
15491         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
15492         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
15493         intrinsics.
15494
15495 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15496
15497         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
15498         to base_address.
15499         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
15500         stmt_vec_info.
15501         (vect_get_base_and_offset): Always return an address.
15502         (vect_create_addr_base_for_vector_ref): Remove treatment for
15503         different data reference types.
15504         (vect_compute_data_ref_alignment): Rename base to base_address in
15505         stmt_vec_info. Get the object in order to force its alignment.
15506         (vect_get_memtag_and_dr): Rename base to base_address in
15507         stmt_vec_info. Extract the object for memtag analysis.
15508
15509 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
15510
15511         PR regression/19898.
15512         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
15513         changes cc_status, use apply modified_in_p to part of cc_status
15514         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
15515         body.
15516
15517 2005-02-11  Richard Henderson  <rth@redhat.com>
15518
15519         * tree-complex.c (expand_complex_libcall): New.
15520         (expand_complex_multiplication): Use it for c99 compliance.
15521         (expand_complex_division): Likewise.
15522         * fold-const.c (fold_complex_add, fold_complex_mult): New.
15523         (fold): Call them.
15524         * builtins.c (built_in_names): Remove const.
15525         * tree.c (build_common_builtin_nodes): Build complex arithmetic
15526         builtins.
15527         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
15528         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
15529         (built_in_names): Remove const.
15530         * c-common.c (c_common_type_for_mode): Handle complex modes.
15531         * flags.h, toplev.c (flag_complex_method): Rename from
15532         flag_complex_divide_method.
15533         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
15534         __mulsc3, __muldc3, __mulxc3, __multc3): New.
15535         * libgcc2.h: Declare them.
15536         * libgcc-std.ver: Export them.
15537         * mklibgcc.in (lib2funcs): Build them.
15538
15539 2005-02-11  Steven Bosscher  <stevenb@suse.de>
15540
15541         PR tree-optimization/19876
15542         Partially revert my change from 2005-01-14
15543         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
15544         (compute_antic): ...and remove the loop here.
15545
15546 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
15547
15548         PR middle-end/19858
15549         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
15550         is number of inner's bits, avoid creating a BIT_FIELD_REF.
15551
15552         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
15553         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
15554
15555 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
15556
15557         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
15558         offsets for the big-endian 32-bit case.
15559
15560 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
15561
15562         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
15563
15564 2005-02-11  Dale Johannesen  <dalej@apple.com>
15565
15566         * cselib.c (cselib_process_insn):  Clear out regs where
15567         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
15568         * reload.c (find_equiv_reg): Ditto.
15569
15570 2005-02-11  Ian Lance Taylor  <ian@airs.com>
15571
15572         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
15573         with no elements.
15574
15575         * tree.c (build_function_type_list): Work correctly if there are
15576         no arguments.
15577
15578 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
15579
15580         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
15581         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
15582         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
15583         TARGET_ZARCH instead of TARGET_64BIT.
15584
15585 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
15586
15587         * config/rs6000/t-rtems:
15588         (MULTILIB_OPTIONS): Remove mcpu=602.
15589         (MUTLILIB_DIRNAMES): Remove m602.
15590         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
15591         Let mcpu=602 match mcpu=603.
15592         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
15593
15594 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15595
15596         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
15597         signal trampolines.
15598
15599 2005-02-10  David Daney  <ddaney@avtrex.com>
15600
15601         * config/alpha/linux-unwind.h: Add exception clause to copyright.
15602         * config/i386/linux-unwind.h: Likewise.
15603         * config/ia64/linux-unwind.h: Likewise.
15604         * config/mips/linux-unwind.h: Likewise.
15605         * config/pa/linux-unwind.h: Likewise.
15606         * config/rs6000/linux-unwind.h: Likewise.
15607         * config/s390/linux-unwind.h: Likewise.
15608         * config/sh/linux-unwind.h: Likewise.
15609         * config/sparc/linux-unwind.h: Likewise.
15610
15611 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15612
15613         PR tree-optimization/17549
15614         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
15615         TER to replace a DEF with its expression if the DEF and the
15616         rhs of the expression we replace into have the same root
15617         variable.
15618
15619 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
15620
15621         * config/mips/mips.md: Fix the placement of the match_scratch in the
15622         lea64 peephole2.
15623
15624 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
15625
15626         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
15627         Fix comment typos.
15628
15629 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
15630
15631         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
15632         (strip_offset): Handle addresses.
15633         (add_address_candidates): Use strip_offset.
15634         (difference_cost): Reflect strip_offset change.
15635         (force_var_cost, difference_cost): Strip nops.
15636
15637 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
15638
15639         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
15640
15641         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
15642         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
15643         config/cris/cris-protos.h, config/cris/cris.c: Update
15644         copyright.
15645
15646 2005-02-10  Jeff Law  <law@redhat.com>
15647
15648         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
15649         (lookup_avail_expr): Similarly.
15650
15651 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
15652
15653         * builtins.c (fold_builtin_powi): New function.
15654         (fold_builtin_1): Call it.
15655
15656 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15657
15658         PR documentation/19309
15659         * doc/cpp.texi: The __GNUC__ and related predefined macros
15660         are also defined for the "standalone" cpp.
15661         Some non-GCC compilers may also define __GNUC__.
15662
15663 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
15664
15665         PR c/19342
15666         * c-typeck.c (common_type): New routine.  Old common_type renamed
15667         to...
15668         (c_common_type): ...this.
15669         (build_conditional_expr, build_binary_op): Use c_common_type instead
15670         of common_type.
15671
15672 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15673
15674         * doc/md.texi: Replace @samp{length} with @code{length}.
15675
15676 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
15677
15678         PR tree-optimization/18687
15679         * tree-flow.h (find_loop_niter): Declare.
15680         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
15681         Try using scev even for loops with more than one exit.
15682         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
15683         (struct ivopts_data): Added niters field.
15684         (struct nfe_cache_elt): New.
15685         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
15686         functions.
15687         (tree_ssa_iv_optimize_init): Initialize niters cache.
15688         (determine_number_of_iterations): Removed.
15689         (find_induction_variables): Do not call determine_number_of_iterations.
15690         Access niters for single exit through niter_for_single_dom_exit.
15691         (add_iv_outer_candidates): Access niters for single exit through
15692         niter_for_single_dom_exit.
15693         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
15694         number_of_iterations_cond.
15695         (iv_period): New function.
15696         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
15697         (may_replace_final_value): Take data argument.  Use
15698         niter_for_single_dom_exit.
15699         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
15700         (rewrite_use_compare): Pass data to may_eliminate_iv.
15701         (rewrite_use_outer): Pass data to may_replace_final_value.
15702         (free_loop_data): Clean up the niters cache.
15703         (tree_ssa_iv_optimize_finalize): Free the niters cache.
15704         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
15705         * tree-ssa-loop-niter.c (find_loop_niter): New function.
15706         (find_loop_niter_by_eval): Use tree_int_cst_lt.
15707         (num_ending_zeros): Moved to tree.c.
15708         * tree.h (num_ending_zeros): Declare.
15709         * tree.c (num_ending_zeros): Moved from tree.c.
15710
15711 2005-02-09  Richard Henderson  <rth@redhat.com>
15712
15713         * builtins.c (DEF_BUILTIN): Add COND argument.
15714         * tree.h (DEF_BUILTIN): Likewise.
15715         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
15716         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
15717         match.
15718         (DEF_BUILTIN_STUB): New.
15719         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
15720         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
15721         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
15722         * c-common.c (DEF_BUILTIN): Add COND argument.
15723         * tree.c (local_define_builtin): New.
15724         (build_common_builtin_nodes): New.
15725
15726 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15727
15728         * fold-const.c (fold_strip_sign_ops): New function to simplify a
15729         floating point expression ignoring the sign of the result.
15730         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
15731         (fold) <MULT_EXPR>: Use it to simplify x*x.
15732         * tree.h (fold_strip_sign_ops): Prototype here.
15733         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
15734         argument.  Use fold_strip_sign_ops to simplify the first argument.
15735         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
15736         first argument when the second argument is an even integer
15737         constant, but only with -funsafe_math_optimizations.
15738         (fold_builtin_1): Update call to fold_builtin_copysign.
15739
15740 2005-02-09  Ian Lance Taylor  <ian@airs.com>
15741
15742         PR middle-end/19583
15743         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
15744         just check whether EH_FILTER_FAILURE falls through.
15745
15746 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
15747
15748         * gcc/haifa-sched.c (schedule_block): Make queued sched group
15749         insns return to ready list in the next turn.
15750
15751 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15752
15753         PR middle-end/19402
15754         * builtins.def: New __builtin_powi[lf].
15755         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
15756         (expand_builtin_powi): New function.
15757         (expand_builtin): Dispatch to expand_builtin_powi.
15758         * libgcc2.h: Add prototypes for __builtin_powi[lf].
15759         * libgcc2.c: Add __builtin_powi[lf] implementation.
15760         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
15761         * optabs.h: Add powi_optab.
15762         * optabs.c (init_optabs): Initialize powi_optab.
15763         * doc/extend.texi: Document __builtin_powi[lf].
15764
15765 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
15766
15767         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
15768         exists.
15769
15770 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15771
15772         PR middle-end/19854
15773         * fold-const.c (try_move_mult_to_index): Remove redundant
15774         type argument.  Create ADDR_EXPR with correct type.
15775         (fold): Update callers of try_move_mult_to_index.  Convert
15776         result to the appropriate type.
15777
15778 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15779
15780         PR target/19597
15781         * config/avr/avr.c (default_rtx_costs): Delete.
15782         (avr_operand_rtx_cost): New function.
15783         (avr_rtx_costs): Completely rewrite.
15784
15785 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
15786
15787         PR target/19806
15788         * config/cris/cris.c (in_code): New variable.
15789         (cris_output_addr_const): Now a static function, a wrapper for
15790         output_addr_const.
15791         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
15792         case from old cris_output_addr_const.
15793         (cris_asm_output_label_ref): Similar for LABEL_REF.
15794         (cris_output_addr_const_extra): Similar for UNSPEC.
15795         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
15796         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
15797         * config/cris/cris-protos.h (cris_output_addr_const): Remove
15798         declaration.
15799         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
15800         (cris_asm_output_label_ref): Declare.
15801
15802 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
15803
15804         PR preprocessor/19801
15805         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
15806         filenames that changed when libcpp was moved to the toplevel.
15807
15808 2005-02-07  Roger Sayle  <roger@eyesopen.com>
15809
15810         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15811         zero extensions of BImode operands.  Call lowpart_subreg instead
15812         of gen_lowpart_common and gen_lowpart_SUBREG.
15813
15814 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
15815
15816         PR ada/19489
15817         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
15818         * configure.ac: Set cc_for_cross_gnattools.
15819         * configure: Regenerate.
15820
15821 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
15822
15823         PR target/19803
15824         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
15825
15826 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15827
15828         PR debug/19327
15829         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
15830         of nested functions.
15831
15832 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
15833
15834         * doc/extend.texi: Document deprecated extensions allowing
15835         static floating-point members to have initializers and allowing
15836         floating-point literals in integral constant expressions.
15837
15838 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
15839
15840         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
15841         config/darwin7.h, config/mips/mips.c,
15842         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
15843         Update copyright.
15844
15845         * cse.c: Update comments.
15846
15847 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
15848
15849         PR middle-end/19775
15850         * builtins.c (fold_builtin_sqrt): Transform
15851         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
15852         pow(x,y*0.5).
15853
15854 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
15855             Dorit Naishlos  <dorit@il.ibm.com>
15856
15857         * doc/invoke.texi (ftree-vectorizer-verbose): New.
15858         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
15859         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
15860         was added.
15861         * tree.h (vect_set_verbosity_level): New extern function declaration
15862         added.
15863         * tree-vectorizer.h (verbosity_levels): New enum type.
15864         * tree-vectorizer.c (vect_debug_stats): Function removed.
15865         (vect_debug_details): Likewise.
15866         (vect_verbosity_level): Global variable was defined and initialized.
15867         (vect_dump): Global variable definition.
15868         (vect_print_dump_info): New function.
15869         (vect_set_dump_settings): New function.
15870         (vect_set_verbosity_level): New function.
15871         (vectorize_loops): Add call to vect_set_dump_settings.
15872
15873         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
15874         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15875         (slpeel_tree_peel_loop_to_edge): Likewise.
15876
15877         (vect_analyze_offset_expr): Call to vect_print_dump_info with
15878         appropriate verbosity level instead of call to vect_debug_details
15879         or vect_debug_stats.
15880         (vect_get_base_and_offset):
15881         (vect_create_addr_base_for_vector_ref):
15882         (get_vectype_for_scalar_type):
15883         (vect_create_data_ref_ptr):
15884         (vect_init_vector):
15885         (vect_get_vec_def_for_operand):
15886         (vect_finish_stmt_generation):
15887         (vectorizable_assignment):
15888         (vectorizable_operation):
15889         (vectorizable_store):
15890         (vectorizable_load):
15891         (vect_transform_stmt):
15892         (vect_update_ivs_after_vectorizer):
15893         (vect_do_peeling_for_loop_bound):
15894         (vect_update_inits_of_drs):
15895         (vect_do_peeling_for_alignment):
15896         (vect_transform_loop):
15897         (vect_is_simple_use):
15898         (vect_analyze_operations):
15899         (vect_is_simple_iv_evolution):
15900         (vect_analyze_scalar_cycles):
15901         (vect_analyze_data_ref_dependence):
15902         (vect_analyze_data_ref_dependences):
15903         (vect_compute_data_ref_alignment):
15904         (vect_enhance_data_refs_alignment):
15905         (vect_analyze_data_refs_alignment):
15906         (vect_analyze_data_ref_access):
15907         (vect_analyze_data_ref_accesses):
15908         (vect_analyze_pointer_ref_access):
15909         (vect_get_memtag_and_dr):
15910         (vect_analyze_data_refs):
15911         (vect_mark_relevant):
15912         (vect_stmt_relevant_p):
15913         (vect_mark_stmts_to_be_vectorized):
15914         (vect_can_advance_ivs_p):
15915         (vect_get_loop_niters):
15916         (vect_analyze_loop_form):
15917         (vect_analyze_loop):
15918         (vectorize_loops): Likewise.
15919
15920         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
15921         (vect_update_inits_of_drs):
15922         (vect_do_peeling_for_alignment):
15923         (vect_transform_loop):
15924         (vect_analyze_operations):
15925         (vect_analyze_scalar_cycles):
15926         (vect_analyze_data_ref_dependences):
15927         (vect_analyze_data_refs_alignment):
15928         (vect_analyze_data_ref_accesses):
15929         (vect_analyze_data_refs):
15930         (vect_mark_stmts_to_be_vectorized):
15931         (vect_get_loop_niters):
15932         (vect_analyze_loop_form):
15933         (vect_analyze_loop): Likewise.
15934         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
15935
15936 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
15937
15938         PR bootstrap/19796
15939         Revert:
15940         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15941         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15942         either -ffast-math or -funsafe-math-optimizations is in use.
15943
15944         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15945         * config/mips/irix-csr.c: New file.
15946         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15947         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15948         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15949         executables.
15950
15951 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
15952
15953         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
15954         redundant, incorrect definitions.
15955
15956         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
15957         expand.
15958         ("*tls_indirect_call"): New, reference hard regs directly.
15959         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
15960
15961 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15962
15963         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
15964         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
15965
15966 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15967
15968         PR rtl-optimization/19800
15969         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
15970         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
15971         gen_lowpart.
15972
15973 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15974
15975         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
15976
15977 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
15978
15979         PR other/17135
15980         * doc/invoke.texi: Correct documentation of -freorder-functions.
15981
15982 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15983
15984         PR other/14402
15985         * doc/invoke.texi: Don't mention gccbug.
15986
15987 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15988             Andrew Pinski  <pinskia@physics.uc.edu>
15989             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
15990
15991         * simplify-rtx.c (simplify_relational_operation_1): Simplify
15992         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
15993         into just (zero_extract:SI FOO (const_int 1) BAR).
15994
15995 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15996
15997         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
15998         macro locally.  Don't give last revision date.  Use GCC version
15999         number from gcc-common.texi.
16000         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
16001         revision date.  Use GCC version number from gcc-common.texi.
16002         Describe being a library as current state rather than as 3.x
16003         history.
16004         * doc/gcc.texi: Remove last update date.
16005         * doc/gccint.texi: Likewise.  Update copyright dates.
16006         * doc/install.texi: Update copyright dates.
16007
16008 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
16009
16010         PR other/7549
16011         * doc/invoke.texi: Mention for each option included in -Wall that
16012         it is included in -Wall.
16013         * doc/gcc.texi: Update copyright and last modification date.
16014
16015 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
16016
16017         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
16018         unnecessary cast to original induction variable increments.
16019
16020 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
16021
16022         PR tree-optimization/18219
16023         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
16024         in distributed form.
16025
16026 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
16027
16028         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
16029         Set bitpos and offset later in the function.  Do nothing if the
16030         target is a register and if the bitfield lies completely outside
16031         that register.
16032         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
16033         here.  Return an uninitialised register if the source value is stored
16034         in a register and the bitfield lies completely outside that register.
16035
16036 2005-02-06  Steven Bosscher  <stevenb@suse.de>
16037
16038         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
16039         not SET_DEST.
16040
16041 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
16042
16043         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
16044
16045 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
16046
16047         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
16048         * config/darwin8.h: New.
16049         * config/darwin7.h: Update comment.
16050
16051 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
16052             Dorit Naishlos  <dorit@il.ibm.com>
16053
16054         * tree-vectorizer.h (LOC): New type.
16055         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
16056         (loop_line_number): New field in struct _loop_vec_info.
16057         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
16058
16059         * tree-vectorizer.c (input.h): Included.
16060         (find_loop_location): New function.
16061         (vect_debug_stats): Argument changed from loop to LOC. Computation of
16062         loop line number removed.
16063         (vect_debug_details): Likewise.
16064         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
16065
16066         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
16067         call to vect_debug_details/stats changed from loop to loop_loc.
16068         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
16069         (slpeel_tree_peel_loop_to_edge): Likewise.
16070
16071         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
16072         changed from NULL to UNKNOWN_LOC.
16073         (vect_get_base_and_offset):
16074         (vect_create_addr_base_for_vector_ref):
16075         (get_vectype_for_scalar_type):
16076         (vect_create_data_ref_ptr):
16077         (vect_init_vector):
16078         (vect_get_vec_def_for_operand):
16079         (vect_finish_stmt_generation):
16080         (vectorizable_assignment):
16081         (vectorizable_operation):
16082         (vectorizable_store):
16083         (vectorizable_load):
16084         (vect_transform_stmt):
16085         (vect_update_ivs_after_vectorizer):
16086         (vect_do_peeling_for_loop_bound):
16087         (vect_do_peeling_for_alignment):
16088         (vect_transform_loop):
16089         (vect_is_simple_use):
16090         (vect_analyze_operations):
16091         (vect_is_simple_iv_evolution):
16092         (vect_analyze_scalar_cycles):
16093         (vect_analyze_data_ref_dependences):
16094         (vect_compute_data_ref_alignment):
16095         (vect_enhance_data_refs_alignment):
16096         (vect_analyze_data_ref_access):
16097         (vect_analyze_data_ref_accesses):
16098         (vect_analyze_pointer_ref_access):
16099         (vect_get_memtag_and_dr):
16100         (vect_analyze_data_refs):
16101         (vect_mark_relevant):
16102         (vect_stmt_relevant_p):
16103         (vect_mark_stmts_to_be_vectorized):
16104         (vect_can_advance_ivs_p):
16105         (vect_get_loop_niters):
16106         (vect_analyze_loop):
16107         (vectorize_loops): Likewise.
16108
16109         (vectorizable_load): Argument in call to vect_debug_details/stats
16110         changed from loop to LOOP_LOC (loop_vinfo).
16111         (vect_transform_loop):
16112         (vect_analyze_operations):
16113         (vect_analyze_scalar_cycles):
16114         (vect_analyze_data_ref_dependence):
16115         (vect_enhance_data_refs_alignment):
16116         (vect_analyze_data_ref_accesses):
16117         (vect_analyze_pointer_ref_access):
16118         (vect_analyze_data_refs):
16119         (vect_analyze_loop): Likewise.
16120
16121         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
16122         changed from loop to loop_loc.
16123
16124         (vect_enhance_data_refs_alignment): Removed unused variable loop.
16125
16126 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
16127             Dorit Naishlos  <dorit@il.ibm.com>
16128
16129         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
16130         declaration added.
16131         (vect_analyze_data_ref_dependences): Likewise.
16132
16133         (vect_is_simple_use): Argument changed from loop structure to
16134         loop_vect_info structure.
16135         (vect_can_advance_ivs_p): Likewise.
16136         (vect_create_index_for_vector_ref): Likewise.
16137         (vect_update_ivs_after_vectorizer): Likewise.
16138         (new_stmt_vec_info): Likewise.
16139
16140         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
16141         changed from loop to loop_vinfo.
16142         (vect_create_data_ref_ptr): First argument in call to
16143         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
16144         (vectorizable_assignment): Second argument in call to vect_is_simple_use
16145         was changed from loop to loop_vinfo.
16146         (vectorizable_operation): Likewise.
16147         (vectorizable_store): Likewise.
16148         (vect_mark_stmts_to_be_vectorized): Likewise.
16149         (vect_do_peeling_for_loop_bound): First argument in call to
16150         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
16151         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
16152         was changed from loop to loop_vinfo.
16153         (vect_analyze_data_ref_dependences): Third argument in call to
16154         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
16155
16156         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
16157         (vect_create_data_ref_ptr): Likewise.
16158         (vect_init_vector): Likewise.
16159         (vect_get_vec_def_for_operand): Likewise.
16160         (vectorizable_assignment): Likewise.
16161         (vectorizable_operation): Likewise.
16162         (vectorizable_store): Likewise.
16163         (vectorizable_load): Likewise.
16164         (vect_update_ivs_after_vectorizer): Likewise.
16165         (vect_is_simple_use): Likewise.
16166         (vect_analyze_data_ref_dependence): Likewise.
16167         (vect_analyze_pointer_ref_access): Likewise.
16168         (vect_can_advance_ivs_p): Likewise.
16169
16170         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
16171         before _stmt_vec_info.
16172         (_stmt_vec_info): Loop field replaced by loop_vec_info.
16173         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
16174         (new_stmt_vec_info): Argument changed from loop structure to
16175         loop_vect_info structure
16176
16177         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
16178         (vect_analyze_offset_expr): Avoid 80 columns overflow.
16179         (vect_create_addr_base_for_vector_ref): Likewise.
16180         (vect_analyze_pointer_ref_access): Likewise.
16181
16182 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
16183
16184         PR tree-opt/19768
16185         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
16186         phi flag if the phi is abnormal.
16187
16188 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
16189
16190         PR tree-opt/19736
16191         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
16192         information for the new statement.
16193
16194 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
16195
16196         PR driver/19117
16197         * gcc.c (main): Include the target in -v output.
16198
16199 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
16200
16201         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
16202         Do not drop the extend if we'd have to add a paradoxical subreg
16203         later.  Include optabs.h and insn-codes.h.
16204         * Makefile.in (combine.o): Depend on $(OPTABS_H).
16205
16206 2005-02-02  Roger Sayle  <roger@eyesopen.com>
16207
16208         PR middle-end/19405
16209         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
16210         * fold-const.c (const_binop): Avoid constant folding floating
16211         point operations in modes that use composite representations.
16212         * simplify-rtx.c (simplify_binary_operation): Likewise.
16213
16214 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
16215
16216         * config/rs6000/altivec.md (altivec_dst): Make the first operand
16217         a REG, not a MEM.
16218         (altivec_dstt): Likewise.
16219         (altivec_dstst): Likewise.
16220         (altivec_dststt): Likewise.
16221         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
16222         of first operand.
16223
16224 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
16225
16226         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
16227         EXPR_LOCUS from orig_cond to the new cond_stmt.
16228         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
16229         the new vec_stmt.
16230
16231 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
16232
16233         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
16234         standard_iv_increment_position. Remove call to bsi_next
16235         (no need to bump the iterator anymore).
16236         (vect_create_index_for_vector_ref): Call
16237         standard_iv_increment_position. Remove second function argument.
16238         (vect_finish_stmt_generation): Remove call to bsi_next
16239         (no need to bump the iterator anymore).
16240         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
16241         to vect_create_index_for_vector_ref.
16242
16243 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
16244
16245         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
16246         phis are used out of the loop.
16247
16248 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
16249
16250         PR c/17807
16251         * c-decl.c (undef_nested_function): New variable.
16252         (pop_scope): Diagnose undefined nested functions.
16253         (finish_function): Don't attempt cgraph processing or genericizing
16254         if current top-level function contained an undefined nested
16255         function.  Reset undef_nested_function at the end of a top-level
16256         function.
16257
16258 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
16259
16260         * tree.c (build_int_cst_type): Take sign of the value into account
16261         when deciding whether sign extend the value.
16262
16263 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
16264
16265         PR c/18502
16266         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
16267         (cpp_options, cc1_options): Change %{std*&ansi} to
16268         %{std*&ansi&trigraphs}.
16269
16270 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
16271
16272         * cse.c: Update comments.
16273
16274 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
16275
16276         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
16277         arguments go on the stack.  Do not put complex doubles in odd/even
16278         pairs.
16279
16280 2005-02-02  Steven Bosscher  <stevenb@suse.de>
16281
16282         * doc/invoke.texi: Update the options enabled at -O1, -O2,
16283         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
16284         -ftree-pre, and -fthread-jumps.
16285
16286 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
16287
16288         PR tree-optimization/19578
16289         * tree-flow.h (modified_noreturn_calls): Declare.
16290         (noreturn_call_p): Declare.
16291         * tree-flow-inline.h (noreturn_call_p): New function.
16292         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
16293         * tree-cfg.c (modified_noreturn_calls): New variable.
16294         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
16295         that contain a mid-block noreturn call.
16296         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
16297
16298 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
16299
16300         * df.c (df_def_record_1, df_uses_record): Don't use
16301         DF_FOR_REGALLOC.
16302         * df.h (DF_FOR_REGALLOC): Remove.
16303
16304 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
16305
16306         PR c/19435
16307         * c-typeck.c (really_start_incremental_init): Reset
16308         constructor_max_index for arrays of incomplete type.
16309
16310 2005-02-02  Jeff Law  <law@redhat.com>
16311
16312         * gcse.c (struct reg_set): Store the block index where the register
16313         was set rather than the setting insn.
16314         (record_one_set, compute_transp): Corresponding changes.
16315         (pre_insert_copy_insn): Do not call replace_one_set.
16316         (replace_one_set): Remove.
16317
16318 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
16319
16320         PR other/15514
16321         * doc/gcov.texi: Fix typo.
16322
16323 2005-02-01  Richard Henderson  <rth@redhat.com
16324
16325         PR target/19680
16326         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
16327         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
16328         type to bool.
16329         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
16330         * config/i386/i386-protos.h: Update.
16331
16332 2005-02-01  Steven Bosscher  <stevenb@suse.de>
16333
16334         PR tree-optimization/19217
16335         * tree-cfg.c (verify_expr): Use the data field to see if TP was
16336         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
16337         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
16338         that it is walking a PHI node.
16339
16340 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
16341
16342         * doc/extend.texi (Nested Functions): Update.
16343
16344 2005-02-01  Richard Henderson  <rth@redhat.com>
16345
16346         PR 19696
16347         * optabs.c (expand_copysign_absneg): Export.
16348         * optabs.h (expand_copysign_absneg): Declare.
16349         * config/rs6000/rs6000.md (copysigntf3): New.
16350
16351 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
16352
16353         PR tree-optimization/19633
16354         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
16355         * tree-ssa-alias.c (init_alias_info): Initialize.
16356         (merge_pointed_to_info): Set.
16357         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
16358         (dump_points_to_info_for): Show value of pt_null.
16359         (struct count_ptr_d): Declare.
16360         (find_ptr_dereference): Remove.
16361         (ptr_is_dereferenced_by): Remove.
16362         (count_ptr_derefs): New local function.
16363         (count_uses_and_derefs): New local function.
16364         (compute_points_to_and_addr_escape): Call it.  If the number
16365         of dereferences is greater than zero, mark the pointer as
16366         dereferenced.  If there are fewer dereferences than uses of
16367         the pointer, the pointer's value escapes.
16368
16369 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
16370
16371         PR tree-optimization/19670
16372         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
16373         here...
16374         (verify_use): ... set it here, instead.
16375
16376 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
16377
16378         * doc/sourcebuild.texi (Test directives): Fix formatting.
16379
16380         * doc/sourcebuild.texi (Test directives): Describe selector
16381         expressions.
16382
16383 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
16384
16385         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
16386         specific 64-bit CPUs.
16387
16388 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
16389
16390         PR target/16201
16391         * arm.c (arm_eliminable_register): New function.
16392         (adjacent_mem_locations): Don't allow eliminable registers.  Use
16393         HOST_WIDE_INT for address offsets.
16394         * arm-protos.h (arm_eliminable_register): Add prototype.
16395
16396 2005-02-01  Steven Bosscher  <stevenb@suse.de>
16397
16398         PR optimization/15242
16399         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
16400         * basic-block.h (duplicate_computed_gotos): Add prototype.
16401         * bb-reorder.c (duplicate_computed_gotos): New function to
16402         duplicate sufficiently small blocks ending in a computed jump.
16403         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
16404         if not optimizing for size.
16405         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
16406         never do tail merging for blocks ending in a computed jump.
16407         * doc/invoke.texi: Document the max-goto-duplication-insns param.
16408
16409 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
16410
16411         Patch from Richard Sandiford <rsandifo@redhat.com>
16412         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
16413         from inheriting a subreg equivalence with a non-spill register.
16414
16415         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
16416
16417 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
16418
16419         * config/frv/frv.c (movcc_fp_destination_operand): New.
16420         (gpr_or_memory_operand): Fix typo in comment.
16421         (gpr_or_memory_operand_with_scratch): New.
16422         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
16423         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
16424         movcc_fp_destination_operand.
16425         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
16426         Legitimize memory addresses using a scratch register.
16427
16428 2005-01-31  Jeff Law  <law@redhat.com>
16429
16430         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
16431         bitmap a sparse bitmap instead of a simple bitmap.
16432         (mark_def_sites_initialize_block):  Corresponding changes.
16433         (ssa_mark_def_sites_initialize_block): Likewise.
16434         (ssa_mark_phi_uses): Likewise.
16435         (mark_def_site, ssa_mark_def_sites): Likewise.
16436         (mark_def_site_blocks): Likewise.
16437         (rewrite_ssa_into_ssa): Likewise.
16438
16439         * tree-ssa-dom.c (record_cond): Pass correct variable type
16440         for last argument to htab_find_slot_with_hash.
16441
16442         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
16443         effects when optimizing 0 % X.  Do not try to optimize X % 0.
16444
16445 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
16446
16447         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
16448         1_mmalua.
16449
16450 2005-02-01  Eric Christopher  <echristo@redhat.com>
16451
16452         * config/mips/mips.c (override_options): Warn if -mint64
16453         is used.
16454         * doc/invoke.texi (MIPS Options): Document that -mint64 is
16455         deprecated.
16456
16457 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
16458
16459         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
16460         timestamp.
16461         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
16462         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
16463         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
16464         (cached_regno): Initialize to INVALID_REGNUM.
16465         (cse_reg_info_table_size,
16466         cse_reg_info_table_first_uninitialized,
16467         cse_reg_info_timestamp): New.
16468         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
16469         get_cse_reg_info.
16470         (init_cse_reg_info, get_cse_reg_info_1): New.
16471         (get_cse_reg_info): Cache the last look-up.
16472         (new_basic_block): Update the code to clear mappings from
16473         registers to cse_reg_info entries.
16474         (cse_main): Call init_cse_reg_info.
16475
16476         * cse.c (get_cse_reg_info): Update a comment.
16477
16478 2005-01-31  Steven Bosscher  <stevenb@suse.de>
16479
16480         PR c/19333
16481         * c-decl.c (start_decl): Do not warn about arrays of elements with
16482         an incomplete type here.
16483         (grokdeclarator): Do it here by making a pedwarn an error.
16484         * c-typeck.c (push_init_level): If there were previous errors with
16485         the constructor type, do not warn about braces for initializers.
16486         (process_init_element): Likewise for excess initializer elements.
16487
16488 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
16489
16490         * cse.c (delete_trivially_dead_insn): Don't iterate.
16491
16492 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
16493
16494         * config/rs6000/rs6000.md (copysignsf3): New expand.
16495         (copysigndf3): Likewise.
16496
16497 2005-01-31  Steven Bosscher  <stevenb@suse.de>
16498
16499         * recog.c (constrain_operands): Only look for earlyclobber operand
16500         conflicts if an '&' constraint was seen.
16501
16502 2005-01-31  Marc Espie <espie@openbsd.org>
16503
16504         * config.gcc: Don't include embedded systems fragment, switches default
16505         debugging format to ELF.
16506         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
16507         longer pick it up there.
16508
16509 2005-01-31  Dale Johannesen  <dalej@apple.com>
16510
16511         * doc/extend.texi (nested functions): Fix linkage description.
16512         Clarify that static is not allowed.
16513
16514 2005-01-31  Dale Johannesen  <dalej@apple.com>
16515
16516         * config/rs6000/darwin.md (movsf_low_di):  Make work.
16517         (movdf_low_di):  Make work.
16518
16519 2005-01-31  Dale Johannesen  <dalej@apple.com>
16520
16521         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
16522         Make work for 64 bit.
16523
16524 2005-01-31  Roger Sayle  <roger@eyesopen.com>
16525             Dale Johannesen  <dalej@apple.com>
16526
16527         PR middle-end/19650
16528         * fold-const.c (fold_binary_op_with_conditional_arg):
16529         Make types match original operands, before STRIP_NOPS.
16530
16531 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
16532
16533         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
16534         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
16535         (struct gcc_sigcontext): Delete.  Merge contents to..
16536         (struct gcc_ucontext): ..here.
16537         (get_sigcontext): Delete.
16538         (get_regs): New function, like get_sigcontext but return regs ptr.
16539         64-bit version finds regs from r1 to support vdso.
16540         (ppc_linux_aux_vector): New function.
16541         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
16542         and vector regs.
16543
16544 2005-01-31  Ira Rosen  <irar@il.ibm.com>
16545
16546         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
16547         sizetype.
16548         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
16549         redundant fold. Fix misalignment for MINUS_EXPR.
16550         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
16551         (vect_analyze_pointer_ref_access): Likewise.
16552         (vect_get_memtag_and_dr): Likewise.
16553
16554 2005-01-31  Richard Henderson  <rth@redhat.com>
16555
16556         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
16557         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
16558         absnegdf2_i387, absnegxf2_i387): Likewise.
16559
16560 2005-01-31  Richard Henderson  <rth@redhat.com>
16561
16562         PR 19696
16563         * optabs.c (expand_copysign_absneg): New.
16564         (expand_copysign_bit): Split out from ...
16565         (expand_copysign): ... here.  Use expand_copysign_absneg.
16566
16567 2005-01-30  Roger Sayle  <roger@eyesopen.com>
16568
16569         PR middle-end/19697
16570         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
16571         constant as the second operand and a register as the third.
16572
16573 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
16574
16575         PR target/19704
16576         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
16577         that dllimport'd functions do not use all call-clobbered registers
16578         to pass parameters.
16579
16580 2005-01-30  Richard Henderson  <rth@redhat.com>
16581
16582         PR 19696
16583         * optabs.c (expand_absneg_bit): Split out from expand_unop and
16584         expand_abs_nojump and generalize.  Use operand_subword and
16585         emit_no_conflict_block.  Support large modes.
16586         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
16587         back to maximum.
16588         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
16589         negation to subtraction.
16590         (expand_copysign): Check that the format has signed zeros.
16591         Use operand_subword and emit_no_conflict_block.  Support large modes.
16592
16593 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
16594
16595         Fix PR tree-optimization/19624
16596
16597         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
16598         * tree-ssa-pre.c: Add cfgloop.h.
16599         Update comment.
16600         (pre_stats): New member, constified.
16601         (inserted_exprs): New static variable.
16602         (NECESSARY): New macro.
16603         (create_expression_by_pieces): Fold the expression, and
16604         mark it as defaulting to not necessary. Also put in
16605         inserted_exprs.
16606         (fully_constant_expression): New function.
16607         (insert_into_preds_of_block): Modify to not insert phis when we
16608         are playing with induction variables.
16609         Push phis onto the inserted_exprs vector, and mark them as not
16610         necessary by default.
16611         (insert_aux): Call fully_constant_expression on eprime.
16612         If all edges produce the same value, mark it constant.
16613         (mark_operand_necessary): New function.
16614         (remove_dead_inserted_code): New function.
16615         (init_pre): Init loop optimizer to get loop info.
16616         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
16617         (execute_pre): Commit edge inserts, then remove dead code.
16618
16619 2005-01-30  Richard Henderson  <rth@redhat.com>
16620
16621         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
16622         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
16623
16624 2005-01-30  Richard Henderson  <rth@redhat.com>
16625
16626         PR target/19700
16627         * config/i386/i386.c (ix86_expand_copysign): New.
16628         (ix86_split_copysign_const): New.
16629         (ix86_split_copysign_var): Rename from ix86_split_copysign,
16630         rearrange op1/nmask operands.
16631         * config/i386/i386-protos.h: Update.
16632         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
16633         (copysigndf3): Likewise.
16634         (copysignsf3_const, copysigndf3_const): New.
16635         (copysignsf3_var): Rename from copysignsf3, split out splitter
16636         and fix split predicate for X constraint.
16637         (copysigndf3_var): Similarly.
16638
16639 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
16640
16641         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
16642         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
16643         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
16644
16645 2005-01-29  Richard Henderson  <rth@redhat.com>
16646
16647         PR target/19690
16648         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
16649         of # and * in constraints.
16650
16651 2005-01-29  Richard Henderson  <rth@redhat.com>
16652
16653         PR middle-end/19689
16654         * expr.c (store_field): Don't strip sub-mode cast when the input
16655         data is even smaller.
16656
16657 2005-01-29  Richard Henderson  <rth@redhat.com>
16658
16659         PR middle-end/19687
16660         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
16661         union being empty.
16662
16663 2005-01-29  Richard Henderson  <rth@redhat.com>
16664
16665         * combine.c (make_field_assignment): Fix argument order
16666         to gen_int_mode.
16667
16668 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
16669
16670         PR tree-optimization/15791
16671         * fold-const.c (extract_array_ref): New function.
16672         (fold): Fold comparisons between &a[i] and &a[j] or
16673         semantically equivalent trees.
16674
16675 2005-01-29  Jeff Law  <law@redhat.com>
16676
16677         * gcse.c (insert_expr_in_table): Revamp handling of available
16678         and anticipatable occurrence lists to avoid unnecessary list
16679         walking.
16680         (insert_set_in_table): Similarly.
16681
16682 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
16683
16684         * c-common.c (fix_string_type): Just use c_build_qualified_type to
16685         build string type.
16686         (c_build_qualified_type): Build qualified array types with
16687         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
16688         * c-decl.c (c_make_fname_decl): Build unqualified array type
16689         before qualified type.
16690         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
16691         type is qualified, not just if type itself is.  Don't apply
16692         qualifiers to array type when declarator is processed.  Apply
16693         qualifiers to field type whether or not it is an array type.
16694         Don't handle array types specially for applying qualifiers to
16695         variables.
16696         * c-typeck.c (composite_type): Build unqualified element type and
16697         array type when forming composite of array types.
16698         (common_pointer_type, comptypes, comp_target_types,
16699         type_lists_compatible_p, build_indirect_ref, build_array_ref,
16700         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
16701         types.
16702         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
16703         (args2) in variables a1 and a2.
16704
16705 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
16706
16707         * cse.c (n_elements_made, max_elements_made): Remove.
16708         (insert): Don't touch n_elements_made.
16709         (cse_main): Don't touch n_elements_made or max_elements_made.
16710
16711 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
16712
16713         PR target/15384
16714         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
16715         configuration part of dp-bit.c to be lost.
16716
16717 2005-01-28  Roger Sayle  <roger@eyesopen.com>
16718
16719         * expmed.c (expand_mult_highpart_optab): When attempting to use
16720         a non-widening multiplication in a wider mode, the operands need
16721         to be converted (zero or sign extended) to that mode.
16722
16723 2005-01-28  Ian Lance Taylor  <ian@airs.com>
16724
16725         PR middle-end/16558
16726         PR middle-end/19583
16727         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
16728         through if both operands fall through.
16729
16730 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16731
16732         * cse.c (fold_rtx) <PC>: Don't optimize.
16733
16734 2005-01-28  Jeff Law  <law@redhat.com>
16735
16736         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
16737         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
16738
16739 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16740
16741         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
16742         cse_reg_info_used_list_end): Remove.
16743         (cse_reg_info_list, cse_reg_info_list_free): New.
16744         (get_cse_reg_info): When allocating an instance of
16745         cse_reg_info, add it to the beginning of the cse_reg_info_list
16746         list.  Remove code to maintain cse_reg_info_used_list.
16747         (new_basic_block): Reset the free list to the beginning of
16748         cse_reg_info_list.
16749
16750 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
16751
16752         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
16753         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
16754         (frv_expand_mdpackh_builtin): New function.
16755         (frv_expand_builtin): Use it to expand __MDPACKH.
16756         * doc/extend.texi (__MDPACKH): Update documentation.
16757
16758 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
16759
16760         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
16761         SSE_FLOAT_MODE_P for use_sse computation.
16762
16763 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
16764
16765         PR target/19663
16766         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
16767
16768 2005-01-27  Richard Henderson  <rth@redhat.com>
16769
16770         * builtins.c (expand_builtin_copysign): New.
16771         (expand_builtin): Call it.
16772         * genopinit.c (optabs): Add copysign_optab.
16773         * optabs.c (init_optabs): Initialize it.
16774         (expand_copysign): New.
16775         * optabs.h (OTI_copysign, copysign_optab): New.
16776         (expand_copysign): Declare.
16777
16778         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
16779         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
16780
16781         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
16782         (ix86_expand_fp_absneg_operator): ... here.
16783         (ix86_split_copysign): New.
16784         * config/i386/i386-protos.h: Update.
16785         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
16786         (copysignsf3, copysigndf3): New.
16787
16788         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
16789         (copysignsf3, ncopysignsf3): New.
16790         (copysigndf3, ncopysigndf3): New.
16791         (copysignxf3, ncopysignxf3): New.
16792         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
16793
16794 2005-01-27  Arend Bayer  <arend.bayer@web.de>
16795             Kazu Hirata  <kazu@cs.umass.edu>
16796
16797         * cse.c: (find_best_addr): Don't call copy_rtx before calling
16798         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
16799         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
16800         NULL_RTX.
16801
16802 2005-01-27  Jeff Law  <law@redhat.com>
16803
16804         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
16805         definitions of SSA_NAMEs which are not being rewritten.
16806         (rewrite_ssa_into_ssa): Only initialize the current definition
16807         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
16808         If checking is enabled, assert that SSA_NAME_AUX is clear for all
16809         SSA_NAMEs before returning.
16810
16811 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
16812
16813         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
16814         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
16815         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
16816         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
16817         config/mips/iris6.h, config/sh/sh.c: Update copyright.
16818
16819 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16820
16821         PR middle-end/17278
16822         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
16823         higher to -O2 and higher.  Likewise for tree PRE.
16824         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
16825         and better.
16826
16827 2005-01-27  Ian Lance Taylor  <ian@airs.com>
16828
16829         PR middle-end/19583
16830         * gimple-low.c (try_catch_may_fallthru): New static function.
16831         (block_may_fallthru): Handle TRY_CATCH_EXPR.
16832         * tree-inline.c (expand_call_inline): Don't warn about reaching
16833         the end of a non-void function being inlined if the function uses
16834         a return slot.
16835
16836 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
16837
16838         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
16839
16840         PR c/18946
16841         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
16842         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
16843         (implicitly_declare): Handle error_mark_node.
16844
16845 2005-01-27  Richard Henderson  <rth@redhat.com>
16846
16847         PR tree-opt/14329
16848         * tree.h (struct tree_decl): Add debug_expr_is_from.
16849         (DECL_DEBUG_EXPR_IS_FROM): New.
16850         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
16851         * dwarf2out.c (dwarf2out_var_location): Update to match.
16852         * tree-outof-ssa.c (create_temp): Likewise.
16853         * var-tracking.c (track_expr_p): Likewise.
16854         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
16855         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
16856         * toplev.c (default_tree_printer): Likewise.
16857
16858 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
16859
16860         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
16861         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
16862
16863 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16864
16865         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
16866         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
16867         ASM_CLOBBERS): Add tree checks.
16868
16869         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
16870         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
16871         * c-common.def (SWITCH_STMT): Update to match.
16872         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
16873         macros instead of SWITCH_EXPR ones.
16874         * c-dump.c (c_dump_tree): Likewise.
16875         * c-gimplify.c (gimplify_switch_stmt): Likewise.
16876         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
16877
16878         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
16879
16880 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
16881
16882         * unwind-dw2.c (execute_stack_op): Add missing cases for
16883         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
16884
16885 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
16886
16887         * config.gcc (Obsolete configurations): Remove 'dummy', add
16888         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
16889         sparc-*-openbsd*.
16890
16891 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
16892
16893         PR tree-optimization/19633
16894         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
16895         CALL_EXPRs.
16896         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
16897         are no call-clobbered variables.
16898         * tree-outof-ssa.c (check_replaceable): Return false for calls
16899         with side-effects.
16900
16901 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
16902
16903         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
16904         even for variables with NULL DECL_INITIAL.
16905
16906 2005-01-26  Stuart Hastings  <stuart@apple.com>
16907
16908         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
16909
16910 2005-01-26  Richard Henderson  <rth@redhat.com>
16911
16912         PR middle-end/18008
16913         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16914         field's type.
16915         * expr.c (store_field): Strip conversions to odd-bit-sized types
16916         if the destination field width matches.
16917
16918 2005-01-26  Richard Henderson  <rth@redhat.com>
16919
16920         * c-decl.c, expmed.c, expr.c: Revert last change.
16921
16922 2005-01-26  Richard Henderson  <rth@redhat.com>
16923
16924         PR middle-end/18008
16925         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16926         field's type.
16927         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
16928         if we don't need the bits above those present in the current mode.
16929         * expr.c (store_field): Strip conversions to odd-bit-sized types
16930         if the destination field width matches.
16931
16932 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
16933
16934         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
16935         either -ffast-math or -funsafe-math-optimizations is in use.
16936
16937 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16938
16939         PR target/19293
16940         PR target/19329
16941         * config/avr/avr.c (notice_update_cc): Only set condition code for
16942         ashrqi3 if shift count > 0.
16943         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
16944         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
16945         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
16946         count <= 0 as a no-op, and shift count >= width by copying zero
16947         or sign bit to all bits of the result.
16948         * config/avr/avr.md (all shifts): Add alternatives for zero shift
16949         count, with attribute "length" set to 0 and "cc" set to "none".
16950
16951 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16952
16953         * doc/invoke.texi: Document -mTLS.
16954
16955         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
16956         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
16957         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
16958         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
16959         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
16960         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
16961         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
16962         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
16963
16964         * configure.ac: Check for a TLS capable gas.
16965
16966         * configure: Regenerate.
16967
16968 2005-01-26  Richard Henderson  <rth@redhat.com>
16969
16970         PR middle-end/18008
16971         * combine.c (make_field_assignment): Simplify store to zero_extract
16972         from a source with an overlapping mask.
16973
16974 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16975
16976         2004-11-11  Eric Christopher  <echristo@redhat.com>
16977
16978         * config/frv/frv.md: Add fr400_integer automaton. Don't
16979         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
16980         to TYPE_MACC.
16981
16982 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16983
16984         PR middle-end/16585
16985         * cfgbuild.c (make_edges): Do not clear or set
16986         current_function_has_computed_jump.
16987         * function.h (struct function): Remove the has_computed_jump field.
16988         (current_function_has_computed_jump): Do not define.
16989         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
16990         in a computed jump.  Ignore current_function_has_computed_jump.
16991
16992 2005-01-26  Richard Henderson  <rth@redhat.com>
16993
16994         PR middle-end/19515
16995         * expr.c (categorize_ctor_elements): New argument p_must_clear.
16996         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
16997         fully initialized.
16998         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
16999         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
17000         objects into static storage if they have more than one non-zero value.
17001         * tree.h (categorize_ctor_elements): Update decl.
17002
17003 2005-01-26  Steven Bosscher  <stevenb@suse.de>
17004
17005         PR middle-end/19616
17006         * tree.h (CALL_EXPR_TAILCALL): Add comment.
17007         * calls.c (check_sibcall_argument_overlap_1): Revert the change
17008         to this function from 2004-07-10.
17009         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
17010         the current function for tail call optimizations if the address
17011         of one of it its arguments is taken.
17012
17013 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
17014
17015         * cse.c (fold_rtx): Call equiv_constant only when necessary.
17016
17017 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
17018
17019         * function.c (expand_function_end): If current_function_calls_alloca,
17020         emit stack restore in a place that is reached when the function falls
17021         through at the end.
17022
17023 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
17024
17025         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
17026         rule to avoid matching inappropriate suffix rule.
17027
17028 2005-01-26  Jan Hubicka  <jh@suse.cz>
17029
17030         PR tree-optimization/19241
17031         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
17032
17033 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
17034
17035         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
17036         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
17037         of doubling.
17038         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
17039         <sim*>: Always use crt1.o, regardless of N in simN.
17040         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
17041         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
17042         (CRT_CALL_STATIC_FUNCTION): Remove.
17043         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
17044         use crt1.o, regardless of N in simN.
17045         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
17046         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
17047         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
17048         case isystem setting.
17049         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
17050
17051 2005-01-25  Ian Lance Taylor  <ian@airs.com>
17052
17053         * gimple-low.c (block_may_fallthru): Correct handling of
17054         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
17055
17056 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
17057
17058         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
17059         handlers to match indentation; nested under the mtune=* handler.
17060         Similar for mcpu= and march=.
17061
17062 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
17063
17064         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
17065         * config/mips/linux64.h (LIB_SPEC): Likewise.
17066         * config/mn10300/linux.h (LIB_SPEC): Likewise.
17067         * config/sh/linux.h (LIB_SPEC): Likewise.
17068
17069 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
17070
17071         * config/frv/frv.c (frv_legitimize_tls_address): New.
17072         (TARGET_HAVE_TLS): Define.
17073         (FRV_SYMBOL_REF_TLS_P): Define.
17074         (frv_override_options): Handle new register classes.
17075         (frv_legitimate_address_p): Reject tls addresses.
17076         (frv_legitimize_address): Handle TLS addresses.
17077         (gen_inlined_tls_plt): New.
17078         (gen_tlsmoff): New.
17079         (frv_legitimize_tls_address): New.
17080         (unspec_got_name): Add TLS entries.
17081         (got12_operand): Add R_FRV_TLSMOFF12 case.
17082         (frv_emit_move): Fixup TLS addresses.
17083         (frv_emit_movsi): Legitimize TLS addresses.
17084
17085         * config/frv/frv.h (MASK_BIG_TLS): New.
17086         (TARGET_BIG_TLS): New.
17087         (HAVE_AS_TLS): Define.
17088         (TARGET_SWITCHES): Add -mTLS and -mtls options.
17089         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
17090         (REG_CLASS_NAMES): Same.
17091         (REG_CLASS_CONTENTS): Same.
17092         (CONSTRAINT_LEN): New.
17093         (REG_CLASS_FROM_CONSTRAINT): New.
17094         (PREDICATE_CODES): Add symbolic_operand.
17095
17096         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
17097         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
17098         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
17099         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
17100         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
17101         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
17102         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
17103         GR9_REG, GR14_REG, LRREG.
17104         (type): Add load_or_call attribute.
17105         ("load_or_call"): New reservation.
17106         ("call_gettlsoff"): New.
17107         ("tls_indirect_call"): New.
17108         ("tls_load_gottlsoff12"): New.
17109         ("tlsoff_hilo"): New.
17110         ("tls_tlsdesc_ldd"): New.
17111         ("tls_tlsoff_ld"): New.
17112         ("tls_lddi"): New.
17113
17114         * config/frv/frv-protos.h (symbolic_operand): Protoize.
17115
17116         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
17117
17118         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
17119         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
17120         * config/frv/frv.c (TLS_BIAS): Define.
17121         (frv_output_dwarf_dtprel): New.
17122
17123 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
17124
17125         PR rtl-optimization/19579
17126         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
17127         both A and B, see if they don't clobber registers the other expr uses.
17128
17129 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
17130
17131         * real.c (do_add): Initialize signalling and canonical members.
17132
17133         * real.c (real_from_integer): Zero out destination.
17134
17135 2005-01-18  Jan Hubicka  <jh@suse.cz>
17136
17137         PR tree-optimize/19337
17138         * tree-inline.c (initialize_inlined_parameters): Copy
17139         saved_static_chain_decl only.
17140
17141 2005-01-25  Richard Henderson  <rth@redhat.com>
17142
17143         PR target/19556
17144         PR target/19584
17145         * config/i386/i386.c (x86_inter_unit_moves): Zero.
17146         (ix86_preferred_reload_class): Rewrite fp-constant section, with
17147         80387 enabled, to return a proper subclass.  Return the subset that
17148         overlaps with GENERAL_REGS for PLUS.
17149         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
17150
17151 2005-01-25  Richard Henderson  <rth@redhat.com>
17152
17153         PR middle-end/19609
17154         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
17155
17156 2005-01-25  Roger Sayle  <roger@eyesopen.com>
17157
17158         * expmed.c (choose_multiplier): Change interface to return the
17159         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
17160         (expand_divmod): Update calls to choose_multiplier.
17161
17162 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17163
17164         PR middle-end/19330
17165         * expmed.c (extract_bit_field): Use adjust_address instead of
17166         gen_lowpart when op0 is a MEM.
17167
17168 2005-01-24  Steven Bosscher  <stevenb@suse.de>
17169
17170         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
17171
17172 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
17173
17174         * config/mips/irix-csr.c: New file.
17175         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
17176         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
17177         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
17178         executables.
17179
17180 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
17181
17182         PR bootstrap/19364
17183         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
17184         sparc/elf.h, add sparc/sp-elf.h.
17185         (sparc-*-rtems*): Likewise.
17186         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
17187         tm-dwarf2.h, add sparc/sp-elf.h.
17188         (sparc86x-*-elf): Likewise.
17189         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
17190         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
17191         TARGET_OS_CPP_BUILTINS.
17192         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17193         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17194         Undefine it.
17195         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
17196         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
17197         (SWITCH_TAKES_ARG): Likewise.
17198         (LOCAL_LABEL_PREFIX): Likewise.
17199         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
17200         (TARGET_N_FORMAT_TYPES): Delete.
17201         (TARGET_FORMAT_TYPES): Likewise.
17202         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17203         * config/sparc/elf.h: Delete.
17204         * config/sparc/sp-elf.h: New file.
17205
17206 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
17207
17208         * tree-flow-inline.h (phi_arg_from_edge): Remove.
17209         * tree-flow.h: Remove the corresponding prototype.
17210         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
17211         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
17212
17213 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
17214
17215         PR target/17751
17216         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
17217         for AIX ABI or ELF -fPIC.
17218         (rs6000_emit_load_toc_table): Don't create toc_section here.
17219         (rs6000_xcoff_file_start): Nor here.
17220
17221 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
17222
17223         * sh.c (ra.h): Don't #include.
17224         (hard_regs_intersect_p): New function, resurrected from ra.c.
17225
17226         * sh.c: Fix 1996 Copyright.
17227
17228 2005-01-24  Richard Henderson  <rth@redhat.com>
17229             Aldy Hernandez  <aldyh@redhat.com>
17230
17231         * regrename.c (note_sets): Handle subregs.
17232
17233 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
17234
17235         PR bootstrap/18058
17236         * genconditions.c (write_header, write_conditions): Elide file if
17237         not GCC >= 3.0.1.
17238
17239 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
17240
17241         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
17242         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
17243         Update copyright.
17244
17245 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
17246
17247         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
17248         expand_builtin_printf, expand_builtin_fprintf,
17249         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
17250         checking against POINTER_TYPE.
17251         (validate_arglist): Handle POINTER_TYPE code by checking
17252         POINTER_TYPE_P.
17253
17254 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
17255
17256         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
17257         init_rtlanal): New.
17258         (for_each_rtx): Call for_each_rtx_1.
17259         * rtl.h (init_rtlanal): Declare.
17260         * toplev.c (backend_init): Call init_rtlanal.
17261
17262 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
17263
17264         * flow.c (propagate_one_insn): Formatting.
17265
17266         PR middle-end/19551
17267         * flow.c (libcall_dead_p): Be more conservative if unsure.
17268         If there are any instructions between insn and call, see if they are
17269         all dead before saying the libcall is dead.
17270
17271 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
17272
17273         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
17274         operand constraint for operand 0.
17275
17276 2005-01-23  Richard Henderson  <rth@redhat.com>
17277
17278         PR 19486
17279         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
17280         edges leading to join block.
17281
17282 2005-01-23  Roger Sayle  <roger@eyesopen.com>
17283
17284         * expmed.c (expand_mult_highpart): Make static.  Change type of
17285         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
17286         (expand_divmod): Updates calls to expand_mult_highpart by using
17287         gen_int_mode to pass a CONST_INT rtx.
17288         * rtl.h (expand_mult_highpart): Remove prototype.
17289
17290 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17291
17292         * flow.c (regset_bytes, regset_size): Remove.
17293
17294         * cfganal.c: Fix a reference to Harvey's paper.
17295
17296 2005-01-23  Steven Bosscher  <stevenb@suse.de>
17297
17298         PR rtl-optimization/19464
17299         * tree-optimize.c (init_tree_optimization_passes): Add one more
17300         copyrename pass just before out-of-ssa.
17301
17302 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
17303
17304         PR bootstrap/18058
17305         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
17306         * ggc-none.c (ggc_free): Define.
17307
17308 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17309
17310         * cse.c (max_reg, max_insn_uid): Remove.
17311         (cse_main): Don't access max_reg or max_insn_uid.
17312
17313         * c-common.c (explicit_flag_signed_bitfields,
17314         lang_statement_code_p, lang_expand_function_end): Remove.
17315         * c-common.h: Remove the corresponding declarations.
17316         * c-opts.c (c_common_handle_option): Remove all write access
17317         to explicit_flag_signed_bitfields.
17318
17319         * cgraph.c (cgraph_varpool_n_nodes): Remove.
17320         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
17321         * cgraph.h: Remove the corresponding declaration.
17322
17323         * gcse.c (null_pointer_info): Remove.
17324
17325 2005-01-23  Roger Sayle  <roger@eyesopen.com>
17326             Eric Botcazou  <ebotcazou@libertysurf.fr>
17327
17328         * combine.c (simplify_logical): Only simplify logical expressions
17329         of the form ior(and(x,y),z) by the inverse distributive law if the
17330         result is cheaper than the original.
17331
17332 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17333
17334         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
17335         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
17336         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
17337         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
17338         config/freebsd-spec.h, config/arm/arm.h,
17339         config/h8300/h8300.md, config/i386/i386.md,
17340         config/i386/predicates.md, config/i386/sse.md,
17341         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
17342         config/vax/vax.md: Fix comment typos.  Follow spelling
17343         conventions.
17344
17345 2005-01-23  Steven Bosscher  <stevenb@suse.de>
17346
17347         * gengtype.c (walk_type): Produce `not equal to' compares for loop
17348         tests, instead of `less than'.
17349
17350 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
17351
17352         * function.c (assign_parm_setup_block): When creating a new stack slot
17353         for a parameter, get its alignment from the parameter's DECL_ALIGN
17354         rather than the type's TYPE_ALIGN.  Make sure that the parameter
17355         is at least word aligned.
17356
17357 2005-01-22  Roger Sayle  <roger@eyesopen.com>
17358
17359         PR middle-end/19378
17360         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
17361
17362 2005-01-22  Richard Henderson  <rth@redhat.com>
17363
17364         PR target/19506
17365         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
17366         in both compare operands.
17367         (movdfcc_1_sse_max): Likewise.
17368         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
17369         (movdfcc_1_sse): Likewise.
17370         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
17371         scratch register as needed.
17372
17373 2005-01-22  Richard Henderson  <rth@redhat.com>
17374
17375         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
17376
17377         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
17378
17379 2005-01-22  Richard Henderson  <rth@redhat.com>
17380
17381         * genopinit.c (optabs): Use smin/smax for floating point too.
17382         * doc/md.texi: Update to match.  Clarify that floating point
17383         results are undefined for +0/-0 and NaN.
17384         * doc/rtl.texi: Likewise.
17385         * rtl.def (SMIN, SMAX): Likewise
17386         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
17387
17388         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
17389         leading 's' to the name.
17390         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
17391         smaxxf3, sminxf3): Likewise.
17392         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
17393         Likewise.
17394
17395 2005-01-22  Paul Brook  <paul@codesourcery.com>
17396
17397         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
17398
17399 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
17400
17401         * config/s390/s390.c (struct processor_costs): New fields
17402         dlgr, dlr, dr, dsgfr, dsgr.
17403         (z900_cost, z990_cost): Values for new fields.
17404         (s390_rtx_costs): New cases MEM und COMPARE in switch
17405         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
17406         DIV, MOD, UDIV, UMOD.
17407
17408 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
17409
17410         * config/s390/s390.md ("doloop_si64"): Reload input value directly
17411         into the register being decremented.
17412         ("doloop_si31", "doloop_di"): Likewise.
17413         ("*doloop_si_long"): Adapt pattern.
17414
17415 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
17416
17417         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
17418         access registers.
17419         (CLASS_MAX_NREGS): Likewise.
17420
17421 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
17422
17423         * doc/tree-ssa.texi (Statement Operands): Add example for new
17424         must-def macro. Note deprecation of old operands interface.
17425
17426 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
17427
17428         PR tree-optimization/19484
17429         * tree-cfg.c (remove_fallthru_edge): New function.
17430         (cleanup_control_flow): Remove fallthru edges from calls that are
17431         now known not to return.
17432
17433 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
17434
17435         Fix PR tree-optimization/19038
17436         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
17437         copies with loop variant ones.
17438
17439 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
17440
17441         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
17442         config/alpha/alpha-protos.h, config/alpha/alpha.h,
17443         config/alpha/alpha.md, config/alpha/predicates.md,
17444         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
17445         config/sparc/sol2.h: Update copyright.
17446
17447         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
17448         first label to see if it is a nonlocal label.
17449
17450 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
17451             Andrew Pinski  <pinskia@physics.uc.edu>
17452
17453         PR target/19491
17454         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
17455         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
17456
17457 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
17458
17459         * config/rs6000/rtems.h: Update copyright.
17460
17461 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
17462
17463         PR target/19548
17464         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
17465         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
17466         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
17467
17468 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17469
17470         PR c/18809
17471         * c-typeck.c (convert_arguments): Check for error_mark_node.
17472
17473 2005-01-21  Ian Lance Taylor  <ian@airs.com>
17474
17475         PR tree-optimization/13000
17476         * tree-inline.c: Include "tree-flow.h".
17477         (expand_call_inline): If warn_return_type, warn if non-void inline
17478         function falls through.
17479         * tree-cfg.c (execute_warn_function_return): Don't warn about
17480         control reaching end if TREE_NO_WARNING is set.  Set
17481         TREE_NO_WARNING.
17482         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
17483         has been lowered.
17484         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
17485         branch if we don't need one.
17486         * c-typeck.c: Include "tree-flow.h"
17487         (c_finish_bc_stmt): Don't add a goto if the current statement
17488         list doesn't fall through to the current point.
17489
17490 2005-01-21  Roger Sayle  <roger@eyesopen.com>
17491
17492         PR rtl-optimization/576
17493         * real.c (real_arithmetic): Change return type from void to bool
17494         to return an indication that the result may be inexact.
17495         * real.h (real_arithmeric): Update prototype.
17496         * fold-const.c (const_binop):  Don't constant fold floating
17497         point expressions when the user specifies -frounding-math and
17498         the result may depend upon the run-time rounding mode.
17499         (fold_convert_const_real_from_real): Clean-up.
17500         (fold_initializer): Ignore flag_rounding_math for initializers.
17501         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
17502         constant fold FP operations with flag_rounding_math if the
17503         result may depend upon the run-time rounding mode.
17504
17505 2005-01-21  Tom Tromey  <tromey@redhat.com>
17506
17507         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
17508
17509 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
17510
17511         * tree-cfg.c: Fix comment typos.
17512
17513 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
17514
17515         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
17516         around the call to rest_of_handle_branch_target_load_optimize.
17517
17518 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
17519
17520         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
17521         (sparc64-*-openbsd*): Likewise.
17522         (sparclite-*-elf*): Include tm-dwarf2.h.
17523         (sparc86x-*-elf*): Likewise.
17524         (sparc64-*-elf*): Likewise.
17525         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
17526         (DBX_DEBUGGING_INFO): Likewise.
17527         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
17528         (PREFERRED_DEBUGGING_TYPE): Likewise.
17529         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
17530         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
17531         (PREFERRED_DEBUGGING_TYPE): Likewise.
17532         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
17533         (PREFERRED_DEBUGGING_TYPE): Likewise.
17534         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
17535
17536 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
17537
17538         PR target/18701
17539         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
17540
17541 2005-01-20  Paul Brook  <paul@codesourcery.com>
17542
17543         * doc/rtl.texi: Document value extension requirements for CONST_INT.
17544
17545 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17546
17547         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
17548         label is first in a sequence of labels.
17549
17550         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
17551
17552 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
17553             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
17554
17555         * doc/sourcebuild.texi (Test Directives): New.
17556
17557 2005-01-20  Roger Sayle  <roger@eyesopen.com>
17558
17559         * real.c (real_floor): Don't leave the result uninitialized when
17560         mode is VOIDMode, but return the unrounded intermediate value.
17561         (real_ceil): Likewise.
17562
17563 2005-01-20  Paul Brook  <paul@codesourcery.com>
17564
17565         * config/arm/arm.md (insv): Use gen_int_mode.
17566
17567 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
17568
17569         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
17570         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17571         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17572         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17573         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17574
17575 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
17576
17577         Fix PR debug/19124
17578         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
17579         fbreg, so we have to assume we can't.
17580         (loc_descriptor_from_tree_1): Ditto.
17581         (containing_function_has_frame_base): New function.
17582         (add_location_or_const_value_attribute): Use it.
17583         Also try to generate a frame_base from a single element location
17584         list.
17585
17586 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17587
17588         PR tree-optimization/15349
17589         * timevar.def (TV_TREE_MERGE_PHI): New.
17590         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
17591         PHI_WANTED.
17592         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
17593         calls to tree_forwarder_block_p.
17594         (remove_forwarder_block_with_phi, merge_phi_nodes,
17595         gate_merge_phi, pass_merge_phi): New.
17596         * tree-optimize.c (init_tree_optimization_passes): Add
17597         pass_merge_phi.
17598         * tree-pass.h: Add an extern for pass_merge_phi;
17599
17600 2005-01-20  Richard Henderson  <rth@redhat.com>
17601
17602         PR target/19418
17603         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
17604         (_mm_castps_pd, _mm_castps_si128): New.
17605         (_mm_castsi128_ps, _mm_castsi128_pd): New.
17606
17607 2005-01-20  Richard Henderson  <rth@redhat.com>
17608
17609         PR target/19530
17610         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
17611         __builtin_ia32_vec_init_v2si.
17612         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
17613         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
17614         (ix86_init_mmx_sse_builtins): Create it.
17615         (ix86_expand_builtin): Expand it.
17616         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
17617         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
17618         (vec_extractv2si_0, vec_extractv2si_1): New.
17619
17620 2005-01-20  Richard Henderson  <rth@redhat.com>
17621
17622         PR target/16533
17623         * config/i386/i386.c (ix86_expand_push): New.
17624         * config/i386/mmx.md (push<MMXMODE>1): New.
17625         * config/i386/sse.md (push<SSEMODE>1): New.
17626         * config/i386/i386-protos.h: Update.
17627
17628 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17629
17630         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
17631         copyright.
17632
17633 2005-01-20  Richard Henderson  <rth@redhat.com>
17634
17635         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
17636         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
17637
17638 2005-01-19  Richard Henderson  <rth@redhat.com>
17639
17640         PR target/19350
17641         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
17642         to V4SFmode in SSE1 fallback load path.
17643
17644 2005-01-19  Richard Henderson  <rth@redhat.com>
17645
17646         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
17647         in QImode expansion to ix86_expand_vector_set.
17648         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
17649
17650 2005-01-19  Richard Henderson  <rth@redhat.com>
17651
17652         PR target/19511
17653         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
17654         subclass of the input class.
17655         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
17656         Always true for cross-SSE1 classes.  Rationalize conditionals.
17657         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
17658         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
17659         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
17660         (movdi_2): Add MMX/SSE zeros.
17661         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
17662         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
17663         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
17664         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
17665         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
17666         (zero_extendsidi2_rex64_1): Remove.
17667         (MOV0 peephole): Check GENERAL_REG_P.
17668
17669 2005-01-19  Richard Henderson  <rth@redhat.com>
17670
17671         PR target/19427
17672         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
17673         shufps elements.
17674         (ix86_expand_vector_extract): Likewise.
17675
17676 2005-01-19  Richard Henderson  <rth@redhat.com>
17677
17678         PR middle-end/19304
17679         * expr.c (emit_move_change_mode): New argument force; use
17680         simplify_gen_subreg if true.
17681         (emit_move_via_alt_mode): Merge into ...
17682         (emit_move_via_integer): ... here.
17683         (emit_move_ccmode): Use emit_move_change_mode directly.
17684
17685 2005-01-19  Richard Henderson  <rth@redhat.com>
17686
17687         PR target/19518
17688         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
17689         (alpha_preferred_reload_class): Handle CONST_VECTOR.
17690         (alpha_emit_set_const_1): Add no_output parameter; don't emit
17691         rtl if true.
17692         (alpha_emit_set_const): Likewise.  Make static.
17693         (alpha_emit_set_long_const): Make static.
17694         (alpha_extract_integer): Split out from alpha_expand_mov.
17695         (alpha_split_const_mov): Likewise.
17696         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
17697         (alpha_legitimate_constant_p): New.
17698         * config/alpha/alpha-protos.h: Update.
17699         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
17700         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
17701         * config/alpha/alpha.md (movsi): Add n alternative.
17702         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
17703         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
17704         (splitters for all of the above): Use alpha_split_const_mov.
17705         * config/alpha/predicates.md (non_add_const_operand): New.
17706         (non_zero_const_operand): New.
17707         (input_operand): Use alpha_legitimate_constant_p after reload.
17708
17709 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17710
17711         PR tree-optimization/19038
17712         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
17713         (add_candidate): Add ivs with increment in latch only if
17714         allow_ip_end_pos_p is true.
17715         (determine_iv_cost): Use empty_block_p.
17716
17717 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
17718
17719         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
17720         (compute_dominance_frontiers): Ditto.
17721
17722 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
17723
17724         PR target/19529
17725         * config/sh/t-rtems: New.
17726         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
17727
17728 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17729
17730         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
17731         the offset of the selected field.
17732
17733 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
17734
17735         * tree-cfg.c (remove_forwarder_block): Fix the check to
17736         prevent a nonlocal label from appearing in the middle of a
17737         basic block.
17738
17739 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
17740
17741         PR rtl-optimization/19462
17742         * reorg.c (find_end_label): Create return insn only if
17743         current_function_epilogue_delay_list is empty.
17744
17745 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
17746
17747         * doc/passes.texi: Remove paragraph mentioning new-ra.
17748
17749 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
17750
17751         PR rtl-optimization/15139
17752         * combine.c: Include params.h.
17753         (count_rtxs): New function.
17754         (record_value_for_reg): If replace_rtx would replace at least
17755         2 occurrences of REG in VALUE and TEM is really large, replace REG with
17756         (clobber (const_int 0)) instead of TEM.
17757         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
17758         * params.h (MAX_LAST_VALUE_RTL): New.
17759         * Makefile.in (combine.o): Depend on $(PARAMS_H).
17760         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
17761
17762         PR c/17297
17763         * c-typeck.c (digest_init): Only call build_vector if all constructor
17764         elements are *_CST nodes.
17765         * gimplify.c (gimplify_init_constructor): Likewise.
17766
17767         PR middle-end/19164
17768         * c-typeck.c (digest_init): Only call build_vector if inside_init
17769         is a CONSTRUCTOR.
17770
17771 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
17772
17773         * toplev.c (init_asm_output): Remove dead #ifdef.
17774
17775 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
17776
17777         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
17778
17779 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17780
17781         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
17782         accessing DECL_FUNCTION_CODE.
17783         * dojump.c (do_jump): Likewise.
17784         * gimplify.c (gimplify_call_expr): Likewise.
17785         * predict.c (expr_expected_value): Likewise.
17786         (strip_builtin_expect): Likewise.
17787         * tree-inline.c (estimate_num_insns_1): Likewise.
17788         * tree-ssa-loop-im.c (stmt_cost): Likewise
17789         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
17790         (tree_expr_nonnegative_p): Likewise.
17791
17792 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17793
17794         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
17795         variant of the load_pcrel_sym pattern.
17796         * config/sparc/sparc.md (P macro): Move to the top.
17797         (load_pcrel_sym): Macroize using P.
17798         (save_register_window): Likewise.
17799
17800 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
17801
17802         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
17803         ("sordered"): Same.
17804
17805 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
17806
17807         PR C/19472
17808         * c-typeck.c (build_asm_expr): Strip nops off
17809         input memory operands.
17810
17811 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
17812
17813         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
17814         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
17815         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
17816         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
17817
17818 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
17819
17820         PR target/19379
17821         * config/i386/i386.c (override_options): If the 80387 is disabled,
17822         then do not return FP values using FP registers.
17823
17824 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
17825
17826         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
17827         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
17828         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
17829         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
17830         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
17831         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
17832         output.h, postreload-gcse.c, postreload.c, recog.c,
17833         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
17834         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
17835         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
17836         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
17837         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
17838         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
17839         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
17840         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
17841
17842         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
17843         config/alpha/alpha.c, config/arm/vfp.md,
17844         config/i386/emmintrin.h, config/i386/i386-modes.def,
17845         config/i386/i386-protos.h, config/i386/i386.h,
17846         config/i386/pmmintrin.h, config/i386/ppro.md,
17847         config/i386/predicates.md, config/i386/xmmintrin.h,
17848         config/i860/i860.c, config/ia64/ia64-modes.def,
17849         config/ia64/ia64-protos.h, config/ia64/ia64.h,
17850         config/ia64/ia64.md, config/ia64/itanium1.md,
17851         config/ia64/itanium2.md, config/ia64/predicates.md,
17852         config/iq2000/iq2000.h, config/mips/linux64.h,
17853         config/rs6000/aix41.h, config/rs6000/aix43.h,
17854         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
17855         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
17856         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
17857         config/sparc/linux64.h, config/sparc/litecoff.h,
17858         config/sparc/sp64-elf.h, config/sparc/sparc.c,
17859         config/sparc/sparc.h, config/sparc/sparc.md,
17860         config/sparc/sysv4-only.h: Update copyright.
17861
17862 2005-01-18  Richard Henderson  <rth@redhat.com>
17863
17864         PR target/19496
17865         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
17866
17867 2005-01-18  Marc Espie  <espie@openbsd.org>
17868         * config/i386/openbsdelf.h: Typo.
17869
17870 2005-01-18  Richard Henderson  <rth@redhat.com>
17871
17872         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
17873         special case for sse.
17874         * config/i386/predicates.md (sse_comparison_operator): Likewise.
17875
17876 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
17877
17878         * tree-inline.c (estimate_num_insns_1): Added cases for
17879         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
17880
17881 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17882
17883         PR rtl-optimization/19296
17884         * combine.c (simplify_comparison): Rewrite the condition under
17885         which a non-paradoxical SUBREG of a PLUS can be lifted when
17886         compared against a constant.
17887
17888 2005-01-18  Andi Kleen <ak@muc.de>
17889
17890         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
17891         * c.opt (-Wpointer-sign): Add.
17892         * doc/invoke.texi: (-Wpointer-sign): Add.
17893
17894 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17895
17896         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
17897         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
17898         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
17899         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
17900         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
17901         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
17902         for TARGET_MIX_SSE_I387.
17903         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
17904         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
17905         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
17906         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
17907         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
17908         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
17909         TARGET_MIX_SSE_I387.
17910         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
17911         from expander.
17912
17913 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17914
17915         PR target/19424
17916         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
17917         Add movaps alternative for xmm reg->reg move.
17918
17919 2005-01-17  Jeff Law  <law@redhat.com>
17920
17921         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
17922         at the end of the main DOM loop rather than just before DOM exits.
17923
17924 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
17925
17926         PR tree-optimization/19121
17927         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
17928         adding aliases to a name tag, also add them to the pointer's
17929         type tag.
17930         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
17931         sensitive alias info at all.  Only check that the two pointers
17932         have compatible pointed-to sets.
17933         * tree-ssa.c (verify_name_tags): Verify that the alias set of
17934         a pointer's type tag is a superset of the alias set of the
17935         pointer's name tag.
17936
17937 2005-01-17  James E Wilson  <wilson@specifixinc.com>
17938
17939         PR target/19357
17940         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
17941         comment to document why.
17942
17943 2005-01-17  Richard Henderson  <rth@redhat.com>
17944
17945         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
17946         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
17947         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
17948         sse2_vmsminv2df3_finite): New.
17949         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
17950         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
17951         Force op1 into register.
17952
17953 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
17954
17955         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
17956         bubblestrap from always rebuilding build directory.
17957
17958 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
17959
17960         * config/s390/s390.md ("*clc"): Remove incorrect '='.
17961         ("*cmpmem_short"): Likewise.
17962
17963 2005-01-17  Steven Bosscher  <stevenb@suse.de>
17964
17965         * basic-block.h: Document BB_* flags.
17966         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
17967         use an sbitmap instead.
17968         * sched-rgn.c (compute_trg_info): Likewise.
17969
17970 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
17971
17972         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
17973         redundant target_cpu_default and extra_parts lines.  Use the default
17974         "from-abi" ISA.
17975         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
17976         (SUBTARGET_EXTRA_SPECS): Delete.
17977         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
17978         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
17979         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
17980         and "n32" for -mabi=n32.
17981
17982 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17983
17984         PR c/5675
17985         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
17986         fold constant variables into initial values.
17987
17988 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17989
17990         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
17991
17992         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
17993         through the statements backward.
17994
17995 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17996
17997         PR middle-end/13127:
17998         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
17999         a variable set to the return value of the inlined function.
18000
18001 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
18002
18003         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
18004         when modes are tieable.
18005
18006 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
18007
18008         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
18009         of pthread_create to find out if threads are enabled.
18010         * gthr-posix95.h (__gthread_active_p): Likewise.
18011
18012 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
18013
18014         * common.opt (-fnew-ra): Remove.
18015         * ra*.*: Remove.
18016         * toplev.h (flag_new_regalloc): Remove.
18017         * Makefile.in (ra*.*): Don't mention.
18018         * passes.c (rest_of_handle_new_regalloc): Remove.
18019         (rest_of_handle_combine, rest_of_compilation): Always consider
18020         flag_new_regalloc as false.
18021         * doc/invoke.texi: Don't document -fnew-ra.
18022
18023 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
18024
18025         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
18026         last parameter to reg_scan.
18027         * loop.c (loop_optimize): Likewise.
18028         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
18029         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
18030         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
18031         rest_of_handle_gcse, rest_of_handle_loop_optimize,
18032         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
18033         * regclass.c (reg_scan): Likewise, for the declaration.
18034         * rtl.h (reg_scan): Likewise, for the prototype.
18035
18036 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
18037
18038         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
18039         mark_dfs_back_edges.
18040
18041 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
18042
18043         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
18044         (compute_avail): Uses don't go in tmp_gen.
18045
18046 2005-01-16  Steven Bosscher  <stevenb@suse.de>
18047
18048         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
18049         loop to look for a free slot in a page entry.
18050
18051 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18052
18053         PR target/16304
18054         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
18055         * toplev.c (compile_file): Call process_pending_assemble_output_defs
18056         just before targetm.asm_out.file_end.
18057         * tree.h (process_pending_assemble_output_defs): Declare.
18058         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
18059         New functions.
18060         (assemble_alias): Defer generation of assembly code for defines when
18061         TARGET_DEFERRED_OUTPUT_DEFS is true.
18062         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
18063         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
18064         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
18065
18066 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18067
18068         PR target/19336
18069         * pa.c (pa_scalar_mode_supported_p): New function.
18070         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18071         * pa.h (MIN_UNITS_PER_WORD): Add comment.
18072
18073         * pa-protos.h (prefetch_operand): Delete.
18074         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
18075         * pa.c (prefetch_operand): Delete.
18076         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
18077         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
18078         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
18079         and prefetch_nocc_operand.
18080         * pa.md (prefetch): Rework to avoid reload problems handling short
18081         displacements when a cache control completer needs to be provided.
18082         (prefetch_32, prefetch_64): Delete.
18083         (prefetch_cc, prefetch_nocc): New patterns.
18084
18085 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
18086
18087         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
18088
18089 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18090
18091         PR ada/19388
18092         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
18093         exceeds maximum alignment for global common data.
18094         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
18095         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
18096
18097 2004-01-15  Roger Sayle  <roger@eyesopen.com>
18098
18099         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
18100
18101 2004-01-15  Roger Sayle  <roger@eyesopen.com>
18102
18103         * harg-reg-set.h (reg_class_names): Prototype global array.
18104         * regclass.c (reg_class_names): Declare here and initialize to
18105         REG_CLASS_NAMES.
18106         (dump_regclass): Remove local declaration of reg_class_names.
18107         (regclass): Likewise.
18108         * cfg.c (dump_flow_info): Likewise.
18109         * ra-debug.c (reg_class_names): Likewise.
18110         * regrename.c (reg_class_names): Likewise.
18111         * reload.c (reg_class_names): Likewise.
18112         * reload1.c (spill_failure): Likewise.
18113         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
18114
18115 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
18116
18117         * config/s390/s390.md ("reload_outti"): Remove predicate for
18118         output operand.  Abort if operand is not a MEM.
18119         ("reload_outdi", "reload_outdf"): Likewise.
18120
18121 2005-01-15  Marc Espie  <espie@openbsd.org>
18122
18123         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
18124         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
18125         * config/openbsd.h:  Fix C++ includes for native configurations.
18126         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
18127         Add trampoline support.
18128         * config/i386/openbsdelf.h: New.
18129
18130 2005-01-15  Marc Espie  <espie@openbsd.org>
18131
18132         * collect2.c (main): Explicitly parse -dynamic-linker option.
18133
18134 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
18135
18136         PR tree-optimization/19060
18137         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
18138         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
18139         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
18140         and handle extract_range_from_cond returning false.
18141         * fold-const.c (fold): Optimize comparisons with min/max even for
18142         width > HOST_BITS_PER_WIDE_INT.
18143
18144 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
18145
18146         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
18147         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
18148         Remove little endian multilib variants.
18149         Add mips32 multilib variant.
18150
18151 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
18152
18153         * explow.c (copy_all_reg, stabilize): Remove.
18154         * expr.h: Remove the corresponding prototypes.
18155
18156         * rtlanal.c (regs_set_between_p): Remove.
18157         * rtl.h: Remove the corresponding prototype.
18158
18159 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
18160
18161         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
18162         to rs6000_nonimmediate_operand.
18163         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
18164         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
18165         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
18166         rs6000_nonimmediate_operand.
18167         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
18168         rs6000_nonimmediate_operand.
18169
18170 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
18171
18172         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
18173
18174 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18175
18176         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
18177         on e500v2.
18178         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
18179         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
18180
18181         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
18182         (rs6k_nonimmediate_operand): New.
18183         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
18184         correctly.
18185         (legitimate_lo_sum_address_p): Same.
18186         (rs6000_legitimize_address): Same.
18187         (rs6000_legitimize_reload_address): Same.
18188         (rs6000_legitimate_address): Same.
18189         (spe_build_register_parallel): Pass DF and DC modes in a DI
18190         register.
18191
18192         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
18193         to rs6k_nonimmediate_operand.
18194
18195         * config/rs6000/spe.md ("*frob_df_di"): New.
18196         ("*frob_di_df"): New.
18197         ("*frob_di_df_2"): New.
18198         ("*mov_sidf_e500_subreg0"): New.
18199         ("*mov_sidf_e500_subreg4"): New.
18200         ("*movdf_e500_double"): Change predicate to
18201         rs6k_nonimmediate_operand.
18202
18203 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18204
18205         * postreload.c (move2add_note_store): Only call
18206         trunc_int_for_mode on scalar integers.
18207
18208 2005-01-14  Steven Bosscher  <stevenb@suse.de>
18209
18210         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
18211         replace BB_VISITED uses.
18212         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
18213         (propagate_necessity): Check the bitmap instead of BB_VISITED.
18214         (tree_dce_done): Free visited_control_parents.
18215         (perform_tree_ssa_dce): Allocate and clear it.
18216         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
18217         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
18218         instead of BB_VISITED.
18219
18220 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
18221
18222         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
18223         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
18224         Remove unused prototypes.
18225
18226 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18227
18228         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
18229         64-bit register usage.
18230         (spe_func_has_64bit_regs_p): Add FIXME note.
18231
18232 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18233
18234         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
18235         flag_finite_math_only with flag_unsafe_math_optimizations.
18236
18237 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
18238
18239         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
18240         end-of-stack check.
18241         (__tpf_eh_return): Copy TPF private stack area from the module
18242         boundary stack frame.  Add check for when module addresses are
18243         equal, but no stub address is found.
18244
18245 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
18246
18247         PR target/7525
18248         * arm.h (struct machine_function): Add call_via field.
18249         (thumb_call_via_label): Declare.
18250         * arm.c (thumb_call_via_label): New variable.
18251         (thumb_call_reg_needed): New variable.
18252         (arm_output_function_epilogue): For Thumb code, output any per-function
18253         call-indirect trampolines.
18254         (thumb_call_via_reg): New function.
18255         (arm_file_end): New function.
18256         (TARGET_ASM_FILE_END): Call arm_file_end.
18257         (aof_file_end): Likewise.
18258         * arm-protos.h (thumb_call_via_reg): Declare.
18259         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
18260         thumb_call_via_reg in normal case.
18261
18262 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
18263
18264         PR middle-end/19084
18265         PR rtl-optimization/19348
18266         * recog.c (peephole2_optimize): Do global life update if some peephole
18267         decides it doesn't need at least one of its inputs and that change
18268         influences liveness at the start of the basic block.
18269
18270         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
18271         arguments instead of 1.
18272
18273 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
18274
18275         PR middle-end/18820
18276         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
18277         zero for nested functions needing a static chain or functions
18278         with a non-constant address.
18279
18280 2005-01-13  Roger Sayle  <roger@eyesopen.com>
18281
18282         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
18283         (and (sign_extend X) C) into (zero_extend (and X C)).
18284
18285 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
18286
18287         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
18288
18289 2005-01-13  Richard Henderson  <rth@redhat.com>
18290
18291         PR target/19009
18292         PR target/19250
18293         PR target/19252
18294         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
18295         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
18296         not just TARGET_SSE.
18297         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
18298         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
18299         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
18300         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
18301         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
18302         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
18303         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
18304         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
18305         (movdicc_c_rex64): Rename with '*'.
18306         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
18307         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
18308         (movsfcc_1_387): Rename from movsfcc_1.
18309         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
18310         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
18311         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
18312         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
18313         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
18314         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
18315         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
18316         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
18317         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
18318         sse_movdfcc_const0_4): Remove.
18319         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
18320         recognize min/max early.  Update for changed sse cmove patterns.
18321         (ix86_split_sse_movcc): New.
18322         * config/i386/i386-protos.h: Update.
18323
18324 2005-01-13  Steven Bosscher  <stevenb@suse.de>
18325
18326         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
18327         (fix_stmt_v_may_defs): Likewise.
18328
18329 2005-01-13  Richard Henderson  <rth@redhat.com>
18330
18331         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
18332         for converting the mask.
18333
18334 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
18335
18336         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
18337         definition to 600.
18338
18339 2005-01-13  Richard Henderson  <rth@redhat.com>
18340
18341         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
18342         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
18343         IX86_BUILTIN_MOVDQ2Q): Remove.
18344         (IX86_BUILTIN_VEC_EXT_V4SI): New.
18345         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
18346         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
18347         shuffling.
18348         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
18349         (sse2_pextrw): Fix immediate constraint.
18350         (sse2_loadq, sse2_loadq_rex64): Remove.
18351         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
18352         Use __builtin_ia32_vec_ext_<size>.
18353         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
18354
18355 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
18356
18357         * function.c (assign_parm_setup_block): Look inside original
18358         entry_parm when inspecting PARALLEL.
18359
18360 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
18361             Joel Sherrill  <joel@oarcorp.com>
18362
18363         PR target/19399
18364         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
18365         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
18366         rtems_gxx_recursive_mutex_init.
18367         (__gthread_recursive_mutex_lock): New function.
18368         (__gthread_recursive_mutex_trylock): Likewise.
18369         (__gthread_recursive_mutex_unlock): Likewise.
18370
18371 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
18372
18373         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
18374
18375 2005-01-13  Jan Beulich  <jbeulich@novell.com>
18376
18377         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
18378         (ashrti3_internal): Indicate output is early clobber. Generate result
18379         into output rather than first input. Use move for low word of output
18380         if shift count is exactly 64.
18381         (lshrti3_internal): Likewise.
18382
18383 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
18384
18385         PR target/18329
18386         PR target/18330
18387         * reload1.c (delete_output_reload): Don't delete an output reload
18388         if the pseudo lives longer than a single basic block.  Adjust and
18389         improve wording of comment.
18390
18391 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
18392
18393         PR target/19334
18394         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
18395         of TYPE_SIZE where we mean the number of bytes.
18396
18397 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
18398
18399         * function.c (assign_parm_setup_block): Relax condition on
18400         multi-register optimization.
18401
18402 2005-01-12  Nick Clifton  <nickc@redhat.com>
18403
18404         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
18405         an "in_delay_slot" attribute of "no" to prevent them being used in
18406         delay slots.  This is forbidden because they might generate
18407         exceptions.
18408
18409 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
18410
18411         PR target/19389
18412         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
18413         with r->Y and Y->r.
18414
18415 2005-01-12  Nick Clifton  <nickc@redhat.com>
18416
18417         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
18418         passed on to GAS) but do not define, as GAS no longer supports or
18419         needs the -m2000 option.
18420
18421 2005-01-11  Roger Sayle  <roger@eyesopen.com>
18422
18423         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
18424         type as args of unprototyped builtins aren't automatically promoted.
18425         (fold_builtin_abs): Likewise.
18426
18427 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18428
18429         * Makefile.in: Set a `build-warn' variable.
18430
18431 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
18432
18433         PR tree-optimization/17949
18434         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
18435         (find_interesting_uses_address): Use it.
18436
18437 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
18438
18439         * regrename.c (kill_value): Handle subreg's that won't simplify.
18440
18441 2005-01-11  Richard Henderson  <rth@redhat.com>
18442
18443         PR target/13366
18444         * config/i386/i386.h (enum ix86_builtins): Move ...
18445         * config/i386/i386.c: ... here.
18446         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
18447         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
18448         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
18449         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
18450         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
18451         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
18452         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
18453         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
18454         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
18455         IX86_BUILTIN_LOADDDUP): Remove.
18456         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
18457         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
18458         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
18459         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
18460         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
18461         (ix86_init_builtins): Make static.
18462         (ix86_init_mmx_sse_builtins): Update for changed builtins.
18463         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
18464         if all the modes match.  Otherwise, fake it.
18465         (get_element_number, ix86_expand_vec_init_builtin,
18466         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
18467         (ix86_expand_builtin): Make static.  Update for changed builtins.
18468         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
18469         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
18470         (ix86_expand_vector_init_duplicate): New.
18471         (ix86_expand_vector_init_low_nonzero): New.
18472         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
18473         Split out from ix86_expand_vector_init; handle integer modes.
18474         (ix86_expand_vector_init): Use them.
18475         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
18476         * config/i386/i386-protos.h: Update.
18477         * config/i386/predicates.md (reg_or_0_operand): New.
18478         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
18479         (movv2sf_internal): Likewise.  And a splitter to match them all.
18480         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
18481         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
18482         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
18483         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
18484         (mmx_pinsrw): Fix operand ordering.
18485         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
18486         rather than sse_loadss expander.
18487         (movv2df splitter): Similarly.
18488         (sse_loadss, sse_loadlss): Remove.
18489         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
18490         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
18491         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
18492         (sse3_movddup): Rename with '*'.
18493         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
18494         (sse2_loadsd): Remove.
18495         (vec_dupv2df_sse3): Rename from sse3_loadddup.
18496         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
18497         (sse2_pinsrw): Fix argument ordering.
18498         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
18499         (sse2_stored): Remove 'r' destination.
18500         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
18501         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
18502         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
18503         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
18504         vec_extractv16qi, vec_initv16qi): New.
18505
18506         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
18507         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
18508         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
18509         constructor form.
18510         (_mm_load_pd, _mm_store_pd): Use plain dereference.
18511         (_mm_load_si128, _mm_store_si128): Likewise.
18512         (_mm_load1_pd): Use _mm_set1_pd.
18513         (_mm_load_sd): Use _mm_set_sd.
18514         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
18515         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
18516         (_mm_set_epi64): Use _mm_set_epi64x.
18517         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
18518         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
18519         _mm_setr_epi8): Use _mm_set_foo form.
18520         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
18521         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
18522         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
18523         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
18524         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
18525         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
18526         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
18527         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
18528         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
18529         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
18530         (_mm_movedup_pd): Use _mm_shuffle_pd.
18531         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
18532         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
18533         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
18534         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
18535         Use _mm_setzero_ps.
18536         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
18537         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
18538         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
18539         (_mm_store_ps): Use raw dereference.
18540         (_mm_store1_ps): Use _mm_storeu_ps.
18541         (_mm_storer_ps): Use _mm_store_ps.
18542         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
18543         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
18544
18545 2005-01-11  Stan Shebs  <shebs@apple.com>
18546
18547         * config/rs6000/rs6000.c (machopic_output_stub): Issue
18548         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
18549
18550 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
18551
18552         PR target/18761
18553         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
18554         Skip all DECLs except for FIELD_DECLs.
18555
18556 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
18557
18558         * config/s390/s390.c (override_options): Return error if
18559         -mbackchain, -mpacked-stack and -mhard-float are used together.
18560         (s390_va_start): Remove the backchain && packed-stack special case.
18561         (s390_gimplify_va_arg): Likewise.
18562         * doc/invoke.texi: Remove the ABI incompatibility note.
18563
18564 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
18565
18566         * config/s390/s390.c (struct s390_frame_layout): Remove
18567         save_backchain_p.
18568         (s390_frame_info, s390_emit_prologue): Replace occurrences of
18569         save_backchain_p with TARGET_BACKCHAIN.
18570
18571 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
18572
18573         PR target/18916
18574         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
18575         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
18576         * function.c (locate_and_pad_parm): Set new field.
18577         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
18578         Tweak where_pad test to include "none".  Always set mem align for
18579         stack_parm.
18580         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
18581         not sufficient for type.
18582         (assign_parm_setup_block): If stack_parm is zero on entry, always
18583         make a new stack local.  Block move old stack parm if necessary
18584         to new aligned stack local.
18585         (assign_parm_setup_stack): Use a block move to handle
18586         potentially misaligned entry_parm.
18587         (assign_parms_unsplit_complex): Specify required alignment when
18588         creating stack local.
18589         * calls.c (compute_argument_addresses): Override alignment of stack
18590         arg calculated from its type with the alignment given by
18591         FUNCTION_ARG_BOUNDARY.
18592         (store_one_arg): Likewise.
18593
18594 2005-01-11  Jan Beulich  <jbeulich@novell.com>
18595
18596         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
18597         Change respective itanium_class attribute to ialu.
18598         (shladdp4_internal): New.
18599         * config/ia64/predicates.md (shladd_log2_operand): New.
18600
18601 2005-01-11  Richard Henderson  <rth@redhat.com>
18602
18603         * expr.c (store_constructor): Use rtvec_alloc instead of
18604         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
18605
18606 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
18607
18608         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
18609
18610 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
18611
18612         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
18613         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
18614         (TARGET_RWRELOC): Define.
18615         (ia64_rwreloc_section_type_flags): Delete.
18616         (ia64_section_type_flags): New function.
18617         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
18618         (TARGET_RWRELOC): Define.
18619
18620 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
18621
18622         PR target/18987
18623         * config/ia64/ia64.c (process_set): For alloc insn, only call
18624         process_epilogue is !frame_pointer_needed.
18625
18626 2005-01-10  Roger Sayle  <roger@eyesopen.com>
18627
18628         PR c++/19355
18629         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
18630         unary operator and can't be treated as a binary/comparison operator.
18631
18632 2005-01-10  Richard Henderson  <rth@redhat.com>
18633
18634         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
18635         (ix86_return_in_memory): Likewise.
18636         (function_arg_advance):  Likewise.  Mirror structure in function_arg
18637         for choosing register to advance.
18638
18639 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
18640
18641         * tree-vectorizer.c, tree.def: Fix comment typos.
18642
18643 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
18644
18645         * config/s390/s390.c (struct processor_costs): 4 new fields:
18646         ddbr, ddr, debr, der.
18647         (s390_rtx_costs): More precise handling of divide instructions.
18648
18649 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
18650
18651         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
18652
18653 2005-01-10  Jan Beulich  <jbeulich@novell.com>
18654
18655         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
18656         names resulting from -ffunction-sections/-fdata-sections and linkonce
18657         ones.
18658         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
18659         based on the section name. Rearrange the section name comparison logic
18660         slightly so that each section name is compared against at most once.
18661
18662 2005-01-10  Ben Elliston  <bje@au.ibm.com>
18663
18664         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
18665         targets for which -fPIC reduces limitations on the GOT size.
18666
18667 2005-01-09  Falk Hueffner  <falk@debian.org>
18668
18669         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
18670         X/C1 cmpop C2.
18671
18672 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
18673
18674         PR target/18720
18675         * collect2.c (main): Set aixrtl_flag for -brtl option.
18676         (resolve_lib_name): Search for .so file extension before .a
18677         if aixrtl_flag set.
18678
18679 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
18680
18681         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
18682         (vect_analyze_data_refs_alignment): Add dump prints.
18683
18684 2005-01-09  Ira Rosen  <irar@il.ibm.com>
18685
18686         * tree-vectorizer.c (vect_analyze_offset_expr): Use
18687         expr_invariant_in_loop_p.
18688         Initialize outputs first thing in the function.
18689         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
18690         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
18691         (vect_analyze_pointer_ref_access): Check that the initial condition of
18692         the access function is loop invariant.
18693
18694 2005-01-09  Richard Henderson  <rth@redhat.com>
18695
18696         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
18697         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
18698         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
18699         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
18700         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
18701         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
18702         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
18703         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
18704         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
18705         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
18706         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
18707         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
18708         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
18709         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
18710         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
18711         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
18712         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
18713         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
18714         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
18715         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
18716         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
18717         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
18718         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
18719         mmx_ prefix.
18720         (mmx_clrdi, pavgusb): Remove.
18721         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
18722         with leading sse_ prefix.
18723         * config/i386/sse.md: Receive them.
18724         * config/i386/mmx.md: New file.
18725         (MMXMODE12, MMXMODE24, mmxvecsize): New.
18726         (subrv2sf3): Turn into expander for normal subtraction.
18727         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
18728         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
18729         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
18730         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
18731         commutative; use ix86_binary_operator_ok.
18732         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
18733         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
18734         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
18735         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
18736         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
18737         Macroize from existing patterns; use ix86_binary_operator_ok.
18738         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
18739         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
18740         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
18741         with vec_select+vec_concat.
18742         (mmx_pshufw, mmx_pshufw_1): Likewise.
18743         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
18744         (mmx_uavgv4hi3): Model correctly.
18745         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
18746         _mm_xor_si64): Remove casts.
18747
18748 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
18749
18750         PR tree-optimization/19224
18751         * tree-scalar-evolution.c (get_instantiated_value,
18752         set_instantiated_value): New functions.
18753         (instantiate_parameters_1): Cache the results.
18754         (instantiate_parameters, resolve_mixers): Initialize and free
18755         the cache.
18756
18757 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
18758
18759         * config/i386/i386.md (addhi_4): Correct reference in comment.
18760         (addqi_4): Same.
18761
18762 2005-01-08  Richard Henderson  <rth@redhat.com>
18763
18764         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
18765         (_mm_cvtsi128_si64x): Likewise.
18766         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
18767         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
18768         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
18769         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
18770         * config/i386/i386-protos.h: Update.
18771         * config/i386/i386.c (print_operand): Add 'H'.
18772         (ix86_fixup_binary_operands): Split out from ...
18773         (ix86_expand_binary_operator): ... here.
18774         (ix86_fixup_binary_operands_no_copy): New.
18775         (ix86_expand_fp_absneg_operator): Handle vector mode results.
18776         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
18777         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
18778         (safe_vector_operand): Use CONST0_RTX.
18779         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
18780         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
18781         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
18782         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
18783         special cases.
18784         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
18785         (IX86_BUILTIN_CMPNGESS): New.
18786         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
18787         (attr type): Add sselog1.
18788         (attr unit, attr memory): Handle it.
18789         (movti, movti_internal, movti_rex64): Move near other integer moves.
18790         (movtf, movtf_internal): Move near other fp moves.
18791         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
18792         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
18793         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
18794         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
18795         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
18796         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
18797         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
18798         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
18799         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
18800         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
18801         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
18802         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
18803         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
18804         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
18805         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
18806         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
18807         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
18808         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
18809         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
18810         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
18811         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
18812         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
18813         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
18814         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
18815         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
18816         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
18817         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
18818         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
18819         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
18820         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
18821         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
18822         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
18823         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
18824         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
18825         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
18826         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
18827         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
18828         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
18829         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
18830         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
18831         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
18832         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
18833         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
18834         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
18835         same time.
18836         (SSEPUSH, push<SSEPUSH>): Remove.
18837         (MMXPUSH, push<MMXPUSH>): Remove.
18838         (sse_movaps, sse_movaps_1, sse_movups): Remove.
18839         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
18840         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
18841         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
18842         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
18843         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
18844         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
18845         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
18846         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
18847         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
18848         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
18849         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
18850         (ppro_sse_log_V4SF): Handle sselog1.
18851         * config/i386/predicates.md (const_0_to_1_operand): New.
18852         (const_0_to_255_mul_8_operand): New.
18853         (const_1_to_31_operand): Rename from const_int_1_31_operand.
18854         (const_2_to_3_operand, const_4_to_7_operand): New.
18855         * config/i386/sse.md: New file.
18856         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
18857         (sse_movups): Rename from sse_movups_1.
18858         (sse_loadlss): Rename from sse_loadss_1.
18859         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
18860         from the name.
18861         (negv4sf2): Use ix86_expand_fp_absneg_operator.
18862         (absv4sf2, negv2df, absv2df): New.
18863         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
18864         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
18865         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
18866         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
18867         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
18868         (sse3_addsubv4sf3): Model correctly.
18869         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
18870         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
18871         (sse_movhlps): Model with vec_select+vec_concat.
18872         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
18873         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
18874         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
18875         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
18876         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
18877         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
18878         sse2_pshufhw_1): Likewise.
18879         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
18880         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
18881         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
18882         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
18883         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
18884         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
18885         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
18886         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
18887         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
18888         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
18889         sminv8hi3): Mark commutative
18890         operands.  Use ix86_binary_operator_ok.
18891         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
18892         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
18893         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
18894         sse2_punpcklqdq): Allow operand2 in memory.
18895         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
18896         sse2_movsd): Add memory alternatives.
18897         (sse_storelps): Turn expander into an insn; split after reload.
18898         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
18899         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
18900
18901 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18902
18903         * configure.ac (DWARF-2 debug_line): Use objdump.
18904         * configure: Regenerate.
18905
18906 2005-01-08  Jeff Law  <law@redhat.com>
18907             Diego Novillo  <dnovillo@redhat.com>
18908
18909         PR tree-optimization/18241
18910         * tree-nrv.c (tree_nrv): Ignore volatile return values.
18911         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
18912         statements with volatile operands.
18913         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
18914         operands after marking a statement with has_volatile_ops.
18915
18916 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18917
18918         * tree.c (int_fits_type_p): Always honor integer constant
18919         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
18920
18921 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18922
18923         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
18924         the latent bug in rtl_delete_block has been resolved.
18925
18926 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18927
18928         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
18929         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
18930
18931 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18932
18933         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
18934         library as @multilib_dir@/$(SHLIB_SONAME).
18935
18936 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18937
18938         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
18939         * configure: Regenerate.
18940
18941 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18942
18943         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
18944         TYPE_MODE.
18945
18946 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
18947
18948         PR target/13674
18949         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
18950         Convert non-word aligned offset address using ld/std into
18951         indirect address.
18952
18953 2005-01-07  Richard Henderson  <rth@redhat.com>
18954
18955         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
18956
18957 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
18958
18959         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
18960
18961 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18962
18963         PR tree-optimization/19283
18964         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
18965         is not shorter than the original type.
18966
18967         PR rtl-optimization/19012
18968         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
18969
18970         PR rtl-optimization/18861
18971         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
18972         (FULL_STATE): Define.
18973         (mark_tablejump_edge): New function.
18974         (purge_dead_tablejump_edges): New function.
18975         (find_bb_boundaries): Use it.
18976
18977         PR tree-optimization/18828
18978         * builtins.c (expand_builtin_next_arg): Remove argument and all
18979         the argument checking.
18980         (expand_builtin): Adjust caller.
18981         (expand_builtin_va_start): Likewise.  Remove error for too many
18982         arguments.
18983         (fold_builtin_next_arg): Issue error for too many arguments.
18984         After checking arguments, replace them with magic arguments that
18985         prevent further checking of the args.
18986
18987 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18988
18989         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
18990
18991 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18992
18993         PR target/6077
18994         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
18995         and %{.S:...} (and their negative variants) to test whether the
18996         input file is assembler or pre-processed-assembler independent of
18997         the actual filename extension.
18998
18999 2005-01-06  Roger Sayle  <roger@eyesopen.com>
19000
19001         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
19002         of sign or zero extended values.
19003
19004 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
19005
19006         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
19007         for IBM long double format correctly.
19008
19009 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
19010
19011         Fix PR tree-optimization/18792
19012
19013         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
19014         to first_loop_depth, and use loop depth instead of loop number.
19015         (build_classic_dir_vector): Ditto.
19016         (compute_data_dependences_for_loop): Use depth, not loop number.
19017         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
19018         number. Pass in loops, instead of loop numbers.
19019         (gather_interchange_stats): Ditto.
19020         (linear_transform_loops): Ditto.
19021
19022 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
19023
19024         PR rtl-opt/13299
19025         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
19026         biv_fits_mode_p, extension_within_bounds_p): New functions.
19027         (check_ext_dependent_givs): Use them.
19028
19029 2005-01-06  Roger Sayle  <roger@eyesopen.com>
19030
19031         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
19032         more than one barrier, in which case we should delete them all.
19033
19034 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
19035
19036         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
19037
19038 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
19039
19040         Fix PR middle-end/19286
19041         Fix PR debug/19267
19042         * dwarf2out.c (gen_subprogram_die): If we've already tried to
19043         output this subprogram, simply ignore this attempt to do it again.
19044         (add_abstract_origin_attribute): Don't abort trying to add the abstract
19045         origin attribute if it's not possible.
19046         (gen_block_die): Don't ignore subblocks of "unused" blocks.
19047         (decls_for_scope): Ditto.
19048         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
19049         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
19050
19051 2005-01-05  Richard Henderson  <rth@redhat.com>
19052
19053         PR target/11327
19054         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
19055         (bdesc_2arg): Use it.
19056         (ix86_expand_binop_builtin): Force operands into registers
19057         when optimizing.
19058         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
19059         ix86_expand_sse_compare, ix86_expand_sse_comi,
19060         ix86_expand_builtin): Likewise.
19061
19062 2005-01-05  Richard Henderson  <rth@redhat.com>
19063
19064         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
19065         and VEC_SELECT.
19066         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
19067         (mulv4hi3): Set itanium_class mmmul.
19068         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
19069         (fpack): Rename from fpack_sfsf.
19070
19071 2005-01-05  Richard Henderson  <rth@redhat.com>
19072
19073         PR rtl-opt/10692
19074         * reload1.c (do_input_reload): Restrict the optimization deleteing
19075         a previous output reload to RELOAD_FOR_INPUT.
19076
19077 2005-01-05  Steven Bosscher  <stevenb@suse.de>
19078
19079         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
19080         comment that we fall through after case.
19081         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
19082         (distribute_links): Likewise.
19083         * cse.c (cse_insn): Likewise.
19084         * cselib.c (cselib_invalidate_mem): Likewise.
19085         * df.c: Update comments at the top of the file.
19086         (read_modify_subreg_p): Update comments here too.
19087         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
19088         * flow.c (mark_set_1): Likewise.
19089         (mark_used_regs): Likewise.
19090         * gcse.c (mems_conflict_for_gcse_p): Likewise.
19091         (canon_list_insert): Likewise.
19092         (mark_set): Likewise.
19093         (try_replace_reg): Likewise.
19094         (store_killed_in_insn): Likewise.
19095         * loop.c (count_one_set): Likewise.
19096         (basic_induction_var): Likewise.
19097         * postreload-gcse.c (find_mem_conflicts): Likewise.
19098         * postreload.c (reload_combine_note_store): Likewise.
19099         (move2add_note_store): Likewise.
19100         * reload.c (find_equiv_reg): Likewise.
19101         (mark_referenced_resources): Likewise.
19102         * rtlanal.c (set_noop_p): Likewise.
19103         (note_stores): Likewise.
19104         (note_uses): Likewise.
19105         * sched-deps.c (sched_analyze_1): Likewise.
19106         * sched-rgn.c (check_live_1): Likewise.
19107         (update_live_1): Likewise.
19108         * config/i860/i860.c: Likewise.
19109
19110         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
19111         an lvalue.
19112         (ZERO_EXTRACT): Mention that this one can be an lvalue.
19113
19114         * doc/rtl.texi: Update documentation for bit-fields and SET.
19115
19116 2005-01-05  Roger Sayle  <roger@eyesopen.com>
19117
19118         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
19119
19120 2005-01-05  Jan Hubicka  <jh@suse.cz>
19121             Richard Henderson  <rth@redhat.com>
19122
19123         PR target/18910
19124         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
19125         with an offset.
19126
19127 2005-01-05  Richard Henderson  <rth@redhat.com>
19128
19129         PR target/12902
19130         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
19131         (sse_shufps): Change operand 3 to const_int_operand.
19132         (sse2_storelps): Fix typo in template.
19133         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
19134         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
19135         (ix86_expand_builtin): Likewise.
19136
19137 2005-01-05  Julian Brown  <julian@codesourcery.com>
19138
19139         * config/arm/arm.c (arm_return_in_memory): Treat complex types
19140         as aggregates for AAPCS ABIs.
19141
19142 2005-01-05  Stan Shebs  <shebs@apple.com>
19143
19144         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
19145         Mach-O getters if ppc64.
19146         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
19147         size argument.
19148         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
19149         signed four-byte field for global code case.
19150         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
19151
19152 2005-01-05  Roger Sayle  <roger@eyesopen.com>
19153
19154         PR middle-end/19100
19155         * c-common.c: Include real.h.
19156         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
19157         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
19158         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
19159         * Makefile.in (c-common.o): Update dependencies.
19160
19161 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19162
19163         * c-parse.in (asm_string): Add trailing semicolon.
19164
19165 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19166
19167         * c-parse.in (asm_string): New.  Don't allow wide strings in
19168         'asm'.
19169         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
19170         asm_string instead of STRING.
19171
19172 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19173
19174         * c-typeck.c (constructor_no_implicit): Remove.
19175         (set_designator, process_init_element): Don't check
19176         constructor_no_implicit.
19177
19178 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
19179             Kaz Kojima  <kkojima@gcc.gnu.org>
19180
19181         PR target/16482
19182         * lcm.c (create_pre_exit): New.
19183         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
19184         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
19185
19186 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
19187
19188         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
19189         -msoft-float in target_float_switch.
19190         * arm.c (arm_override_options): Fix processing of target_float_switch.
19191
19192 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
19193
19194         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
19195         preferencing.
19196
19197 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
19198
19199         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
19200         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
19201
19202 2005-01-04  Roger Sayle  <roger@eyesopen.com>
19203
19204         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
19205         if deleting the then-block allows the test-block to fallthru to the
19206         else-block.
19207
19208 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
19209
19210         PR c/19152
19211         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
19212         after the full declaration if the are in two different TUs.
19213
19214 2005-01-04  Richard Henderson  <rth@redhat.com>
19215
19216         PR tree-opt/19158
19217         * tree-sra.c (generate_one_element_init): Just
19218         call gimplify_and_add.
19219         (generate_element_init): Record the
19220         new referenced variables and mark them for renaming
19221         and split out to ...
19222         (generate_element_init_1): This.
19223         (scalarize_init): Don't call push_gimplify_context/
19224         pop_gimplify_context.
19225
19226 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
19227
19228         * toplev.c (get_src_pwd): Handle failure of getpwd().
19229
19230 2005-01-04  Roger Sayle  <roger@eyesopen.com>
19231
19232         * fold-const.c (fold_single_bit_test): Delete unreachable handling
19233         of TRUTH_NOT_EXPR.
19234         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
19235         all the cases handled by it are inverted by invert_truthvalue.
19236
19237 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
19238
19239         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
19240         (save_register_windowsi): Likewise.
19241
19242 2005-01-04  Richard Henderson  <rth@redhat.com>
19243
19244         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
19245
19246 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
19247
19248         PR middle-end/17767
19249         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
19250         any simplifications of vector mode comparison operators.
19251         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
19252
19253 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
19254             Devang Patel  <dpatel@apple.com>
19255
19256         PR tree-optimization/18308
19257         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
19258         the operands before creating a new expression.
19259         * dojump.c (do_jump): Make drop_through_label available
19260         for all cases.  Add expansion of COND_EXPR.
19261
19262 2005-01-04  Ira Rosen  <irar@il.ibm.com>
19263
19264         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
19265         INTEGER_CST instead of TREE_CONSTANT.
19266         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
19267         instead of TREE_CONSTANT.
19268         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
19269         instead of TREE_CONSTANT.
19270
19271 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
19272
19273         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
19274
19275 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
19276
19277         PR target/19240
19278         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
19279         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
19280
19281 2005-01-03  Richard Henderson  <rth@redhat.com>
19282
19283         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
19284         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
19285         fold_convert_const_real_from_real): Split out from ...
19286         (fold_convert_const): ... here.
19287
19288 2005-01-03  Richard Henderson  <rth@redhat.com>
19289
19290         PR target/19235
19291         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
19292         (mov<MMXMODEI>_internal): Likewise.
19293         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
19294         Add V2SF case; use it for SSE1; don't use TI.
19295         (movdf_integer): Likewise.
19296         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
19297
19298 2005-01-03  Ira Rosen  <irar@il.ibm.com>
19299
19300         * tree-vectorizer.c (vect_strip_conversions): New function.
19301         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
19302         check for binary class.
19303
19304 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
19305
19306         Fix PR debug/17924
19307         Fix PR debug/19191
19308         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
19309         is a decl.
19310         * gimple-low.c (mark_blocks_with_used_vars): New function.
19311         (mark_blocks_with_used_subblocks): Ditto.
19312         (mark_used_blocks): Ditto.
19313         (pass_mark_used_blocks): New pass.
19314         * tree-inline.c: Include debug.h.
19315         (expand_call_inline): Call outlining_inline_function here.
19316         * tree-optimize.c (init_tree_optimization_passes): Add
19317         pass_mark_used_blocks.
19318         * tree-pass.h (pass_mark_used_blocks): New.
19319         * Makefile.in (tree-inline.o): Add debug.h dependency.
19320
19321 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
19322
19323         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
19324         VAR_DECLs to have weak_import attribute.
19325
19326         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
19327         'struct ucontext'.
19328
19329 2004-01-03  Steven Bosscher  <stevenb@suse.de>
19330
19331         * passes.c (rest_of_compilation): Don't run regmove if only
19332         flag_expensive_optimizations, require flag_regmove instead.
19333
19334 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
19335
19336         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
19337         register "sparc".
19338         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
19339         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19340         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
19341         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19342
19343 2005-01-03  Richard Henderson  <rth@redhat.com>
19344
19345         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
19346         (ia64_const_ok_for_letter_p): New.
19347         (ia64_const_double_ok_for_letter_p): New.
19348         (ia64_extra_constraint): New.
19349         (ia64_expand_vecint_compare): New.
19350         (ia64_expand_vcondu_v2si): New.
19351         (ia64_expand_vecint_cmov): New.
19352         (ia64_expand_vecint_minmax): New.
19353         (ia64_print_operand): Add 'v'.
19354         (ia64_preferred_reload_class): New.
19355         (ia64_vector_mode_supported_p): New.
19356         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
19357         (PREFERRED_RELOAD_CLASS): Move to function.
19358         (CONST_OK_FOR_LETTER_P): Move to function.
19359         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
19360         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
19361         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
19362         (EXTRA_CONSTRAINT): Move to function.
19363         * config/ia64/ia64.md: Include vect.md.
19364         (itanium_class): Add mmalua.
19365         (type): Handle it.
19366         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
19367         (1b_mmalua): New.
19368         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
19369         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
19370         CONST0_RTX.
19371         (const_int_2bit_operand): New.
19372         (fr_reg_or_0_operand): New.
19373         * config/ia64/ia64-modes.def: Add vector modes.
19374         * config/ia64/ia64-protos.h: Update.
19375         * config/ia64/vect.md: New file.
19376
19377 2005-01-03  Richard Henderson  <rth@redhat.com>
19378
19379         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
19380
19381 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
19382
19383         PR target/19236
19384         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
19385         to SFmode.
19386         (log1pdf2): Change mode of operands[0,1] to DFmode.
19387
19388 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
19389
19390         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
19391         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
19392         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
19393         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
19394         SPARC_RELAXED_ORDERING.
19395
19396 2005-01-03  Richard Henderson  <rth@redhat.com>
19397             Uros Bizjak  <uros@kss-loka.si>
19398
19399         PR target/14631
19400         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
19401         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
19402         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
19403         handling.
19404         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
19405         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
19406         const_pow2_1_to_128_operand): New predicates.
19407
19408 2005-01-02  Greg McGary  <greg@mcgary.org>
19409
19410         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
19411         anonymous decls.
19412         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
19413         object.  [ptr_type]: Remove unused variable.
19414         Remember nearest addressable array-element or record-component
19415         when checking bitfield components.  Tolerate empty BIND_EXPR.
19416
19417 2005-01-01  Richard Henderson  <rth@redhat.com>
19418
19419         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
19420         that don't narrow the value.  Fail for other conversions.
19421
19422 2005-01-01  Richard Henderson  <rth@redhat.com>
19423
19424         PR c/19031
19425         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
19426         * c-lang.c (finish_file): Don't do it here.
19427         * objc/objc-act.c (objc_finish_file): Likewise.
19428
19429         * cgraph.c (decl_assembler_name_equal): New.
19430         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
19431         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
19432         * cgraph.h (struct cgraph_varpool_node): Add next.
19433         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
19434         * varasm.c (assemble_alias): Mark the target as needed.
19435
19436 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
19437
19438         PR middle-end/19221
19439         * function.c (get_arg_pointer_save_area): Use entry_of_function
19440         instead of get_insns.
19441
19442 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19443             Andrew Pinski  <pinskia@physics.uc.edu>
19444             James E. Wilson  <wilson@specifixinc.com>
19445
19446         PR rtl-optimization/12092
19447         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
19448         is zero.
19449
19450 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19451             Olivier Hainque  <hainque@act-europe.fr>
19452
19453         * tree.c (int_fits_type_p): A narrower type always fits in a
19454         wider one, except for negative values into unsigned types.
19455
19456 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19457
19458         * tree.c (int_fits_type_p): Compare the result of force_fit_type
19459         with the original constant rather than require TREE_OVERFLOW.
19460
19461 2005-01-01  Steven Bosscher  <stevenb@suse.de>
19462
19463         PR middle-end/17544
19464         * c-decl.c (finish_function): If compiling C99, annotate the
19465         compiler generated return with the current file name and line 0.
19466         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
19467         the source line is greater than 0.
19468         (remove_bb): Likewise.