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pr22585.c: Run on 32-bit x86 only.
[gcc.git] / gcc / ChangeLog
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f20731b7
JL		 12005-09-27 Jeff Law <law@redhat.com>
2
3 * passes.c (init_optimization_passes): Replace copy propagation
4 passes immediately after DOM with phi-only copy propagation
5 pases. Add phi-only copy propagation pass after first DOM pass.
6 * tree-pass.h (pass_phi_only_copy_prop): Declare.
7 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
8 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
9 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
10 to init_copy_prop. Callers updated.
11 (do_phi_only_copy_prop): New function.
12 (pass_phi_only_copy_prop): New pass descriptor.
13
3542b7cc
NC		 142005-09-27 Nick Clifton <nickc@redhat.com>
15
16 * libgcc2.c (__popcount_tab): Remove redundant prototype.
17
4381020e
JM		 182005-09-26 Jason Merrill <jason@redhat.com>
19
86ad3aa9
JM		 20 PR c++/13764
21 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
22
4381020e
JM		 23 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
24
92b4f0af
JW		 252005-09-26 James E Wilson <wilson@specifix.com>
26
27 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
28 copyright. Add gcc copyright plus libgcc exception.
29 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
30 copyright.
31 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
32
608af77d
JL		 332005-09-26 Jeff Law <law@redhat.com>
34
35 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
36 about when to iterate.
37
0f086e42
FJ		 382005-09-23 Fariborz Jahanian <fjahanian@apple.com>
39
40 PR target/23847
41 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
42 for __complex__ double in -mcpu=G5 mode.
43
c59dabbe
SP		 442005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
45
46 PR tree-optimization/23942
47 * Makefile.in (SCEV_H): Depends on PARAMS_H.
48 * tree-scalar-evolution.c: Include params.h.
49 (t_bool): New enum.
50 (follow_ssa_edge, follow_ssa_edge_in_rhs,
51 follow_ssa_edge_in_condition_phi_branch,
52 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
53 Change return type to t_bool. Use a parameter to limit the size of
54 trees that are walked before stopping
55 (analyze_evolution_in_loop): Initialize the limit to 0.
56 (follow_ssa_edge): Give up by returning t_dont_know if the limit
57 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
58
3242fbd8
UB		 592005-09-26 Uros Bizjak <uros@kss-loka.si>
60
61 PR middle-end/23831
62 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
63 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
64
b166bfd2
FJ		 652005-09-26 Fariborz Jahanian <fjahanian@apple.com>
66
67 * combine.c (make_extraction): Check for valid use of subreg.
68
4d06b0a2
UB		 692005-09-26 Uros Bizjak <uros@kss-loka.si>
70
71 PR target/24055
72 * config/i386/i386.md ("*fistdi2_1"): New pattern.
73 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
74 ("fist<mode>2_with_temp"): Use only register operands.
75
76dd5923
R		 762005-09-26 J"orn Rennecke <joern.rennecke@st.com>
77
78 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
79 CALL_INSN_FUNCTION_USAGE.
80
9727e468
RG		 812005-09-26 Richard Guenther <rguenther@suse.de>
82
83 PR middle-end/15855
84 * gcse.c: Include hashtab.h, define ldst entry hashtable.
85 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
86 (ldst_entry): Use the hashtable instead of list-walking.
87 (find_rtx_in_ldst): Likewise.
88 (free_ldst_entry): Free the hashtable.
89 (compute_ld_motion_mems): Create the hashtable.
90 (trim_ld_motion_mems): Remove entry from hashtable if
91 removing it from list.
92 (compute_store_table): Likewise^2.
93 (store_motion): Free hashtable in case we did not see
94 any stores.
95
3f1dfb41
KH		 962005-09-25 Kazu Hirata <kazu@codesourcery.com>
97
98 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
99 and arg1 if we are passing them to fold_build2.
100
ad90e28f
DN		 1012005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
102
103 PR 23828
104 * config/i386/i386.c (ix86_function_regparm): Fix the test for
105 a nested function.
106
f6326c19
RH		 1072005-09-25 Richard Henderson <rth@redhat.com>
108
109 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
110 SYMBOL_REF_TLS_MODEL to be correct.
111
2eca7d15
RH		 1122005-09-24 Richard Henderson <rth@redhat.com>
113
114 * ipa-type-escape.c (discover_unique_type): Remove dead code at
115 end of function. Reindent.
116
1f6f3d15
ILT		 1172005-09-24 Ian Lance Taylor <ian@airs.com>
118
119 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
120 NEGATE_EXPR/BIT_NOT_EXPR case.
121
99db1ef0
RH		 1222005-09-24 Richard Henderson <rth@redhat.com>
123
124 * c-common.c (handle_mode_attribute): When not modifying in place,
125 create subtypes for enumerations.
126 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
127 * gimplify.c (create_tmp_from_val): Likewise.
128
e347ff9e
AO		 1292005-09-24 Alexandre Oliva <aoliva@redhat.com>
130
131 * config/i386/i386.md (*tls_global_dynamic_64,
132 *tls_local_dynamic_base_64): Add missing mode to call.
133 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
134
06191a23
JH		 1352005-09-24 Jan Hubicka <jh@suse.cz>
136
137 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
138 (cgraph_clone_node): Likewise.
139 * cgraph.h (cgraph_clone_edge): Update prototype.
140 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
141 duplicated prototypes; add updating argument.
142 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
143 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
144 updating profile.
145 (cgraph_mark_inline_edge): Likewise.
146 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
147 (cgraph_flatten_node): Likewise.
148 (cgraph_decide_recursive_inlining): Likewise.
149 (cgraph_decide_inlining_of_small_function): Likewise.
150 * tree-optimize.c (tree_rest_of_compilation): Likewise.
151
9c6fdb46
DE		 1522005-09-23 David Edelsohn <edelsohn@gnu.org>
153 Pete Steinmetz <steinmtz@us.ibm.com>
154
155 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
156 (rldic.): Set type to "compare".
157 (rldicr.): Same.
158 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
159 mfjmpr for MFCTR/MFLR.
160 (movdf_hardfloat64): Same.
161 (movdf_softfloat64): Same. Correct order of store and move types.
162 (movti_string): Set type to store_ux/load_ux.
163 (load_multiple): Set type to load_ux.
164 (store_multiple): Set type to store_ux.
165 (movmemsi): Set type to store_ux.
166 (output_cbranch direct_return): Set type to jmpreg.
167 (stmw): Set type to store_ux.
168 (lmw): Set type to load_ux.
169 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
170 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
171 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
172 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
173 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
174 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
175 (rios1-fpstore): Increase latency to 3.
176 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
177 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
178
66684b7e
DE		 1792005-09-23 David Edelsohn <edelsohn@gnu.org>
180 Andrew Pinski <pinskia@physics.uc.edu>
181
182 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
183 operand2 constraint to "b".
184 (sync_<fetchop_name>di_internal): Same.
185 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
186 to "b".
187 (sync_old_<fetchop_name>di_internal): Same.
188 (sync_new_<fetchop_name>si_internal): Same.
189 (sync_new_<fetchop_name>di_internal): Same.
190
a9305dcb
R		 1912005-09-23 J"orn Rennecke <joern.rennecke@st.com>
192
3a1680a5 193 PR middle-end/23991
a9305dcb
R		 194 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
195 case, define as macros.
196
9617ccfd
R		 197 PR rtl-optimization/23837
198 * optabs.c (no_conflict_move_test): Don't set must_stay for a
199 clobber / clobber match between dest and p->first.
200
748ebfc7
R		 201 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
202 (no_conflict_move_test): Update comments.
203
07a647a3
RM		 2042005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
205
206 * doc/install.texi: Update URL for Jacks.
207 * doc/sourcebuild.texi: Likewise.
208
fb3249ef
DE		 2092005-09-22 David Edelsohn <edelsohn@gnu.org>
210
211 PR target/24007
212 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
213 registers when choosing register preferences.
861fd9a0 214 (movdf_hardfloat64): Same.
fb3249ef 215
6231646a
AK		 2162005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
217
218 * expmed.c (expand_shift): Don't use the target of the rotate as
219 target for the first expanded shift insn.
220 * testsuite/gcc.dg/20050922-1.c: Testcase added.
221
7b9d4f70
ZD		 2222005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
223
224 PR tree-optimization/22438
225 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
226 preserved iv rhs rewriting specially.
227
b1347638
DB		 2282005-09-21 Daniel Berlin <dberlin@dberlin.org>
229
230 * tree-data-ref.c (analyze_array_indexes): Only estimate when
231 estimate_only is true.
232 * tree-flow.h (ref_contains_indirect_ref): New prototype.
233 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
234 tree-ssa-structalias.c
235 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
236 ref_contains_indirect_ref.
237 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
238
b1eb8119
DD		 2392005-09-21 DJ Delorie <dj@redhat.com>
240
241 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
242 MASK_PTR_A0D0.
243 (mn10300_return_in_memory): Support variable size types also.
244 (mn10300_pass_by_reference): Likewise.
245 (mn10300_function_value): New.
246 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
247 (FUNCTION_OUTGOING_VALUE): Likewise.
248 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
249 * doc/invoke.texi: Document it.
250
d06e6434
UB		 2512005-09-21 Uros Bizjak <uros@kss-loka.si>
252
253 PR target/22585
254 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
255 force integer op1 into register for XFmode compares.
256
0178027c
KH		 2572005-09-21 Kazu Hirata <kazu@codesourcery.com>
258
647c66cd 259 PR middle-end/23971
0178027c
KH		 260 * expmed.c (alg_code): Add alg_impossible.
261 (alg_hash_entry): Add cost.
262 (synth_mult): Record alg_impossible in the hash table if
263 multiplication by a given integer is impossble within the
264 limit. Speed up using alg_impossible.
265
d52225be
DB		 2662005-09-20 Daniel Berlin <dberlin@dberlin.org>
267
268 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
269 argument. Allow and set any offset if needs_anyoffset is passed
270 in.
271 (get_constraint_for): Add argument here too.
272 Pass it down.
273 (do_structure_copy): Pass NULL to get_constraint_for.
274 (handle_ptr_arith): Ditto.
275 (find_func_aliases): Ditto.
276
070a7956
R		 2772005-09-20 J"orn Rennecke <joern.rennecke@st.com>
278
279 PR rtl-optimization/23898
280 * output.h (get_attr_min_length): Declare.
281 * final.c (get_attr_length_1): New function, broken out of:
282 (get_attr_length).
283 (get_attr_min_length): New function.
284 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
285 (duplicate_computed_gotos): Likewise.
286 * genattr.c (insn_min_length): Generate declaration.
287 * genattrtab.c (min_fn, min_attr_value): New functions.
288 (make_length_attrs): Generate insn_min_length.
289
9972f30d
SE		 2902005-09-20 Steve Ellcey <sje@cup.hp.com>
291
292 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
293
29b2d867
RH		 2942005-09-20 Richard Henderson <rth@redhat.com>
295
296 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
297 EXPAND_STACK_PARM.
298
af15a2fe
JM		 2992005-09-20 Joseph S. Myers <joseph@codesourcery.com>
300
301 * c.opt (fextended-identifiers): New.
302 * c-opts.c (c_common_handle_option): Handle
303 -fextended-identifiers.
304 * doc/cpp.texi: Update documentation of extended identifiers.
305 * doc/cppopts.texi (-fextended-identifiers): Document.
306
18c57f2c
JJ		 3072005-09-20 Jakub Jelinek <jakub@redhat.com>
308
6fff2603
JJ		 309 PR tree-optimization/23929
310 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
311 if expr is NULL.
312
18c57f2c
JJ		 313 PR tree-optimization/23818
314 * tree-stdarg.c (execute_optimize_stdarg): Call
315 calculate_dominance_info.
316
1c8cd54d 3172005-09-20 Daniel Berlin <dberlin@dberlin.org>
416f403e
DB		 318
319 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
320 (analyze_siv_subscript_cst_affine): Add weak SIV test.
321 (compute_overlap_steps_for_affine_1_2): Use
322 get_number_of_iters_for_loop.
323 (analyze_subscript_affine_affine): Check whether difference is
324 zero first.
325 Use get_number_of_iters_for_loop.
326 Check whether overlap occurs outside of bounds.
327 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
328
39278c14
AK		 3292005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
330
331 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
332 base register if possible.
333
2282a0e6
ZD		 3342005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
335
336 PR tree-optimization/18463
337 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
338 converting it directly is not possible.
339 (chrec_convert_aggressive): New function.
340 * tree-chrec.h (chrec_convert_aggressive): Declare.
341 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
342 Fold chrec conversions aggressively if asked to.
343 (instantiate_parameters): Modified because of changes in
344 instantiate_parameters_1.
345
e20524fa
RH		 3462005-09-19 Richard Henderson <rth@redhat.com>
347
348 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
349 (reduc_splus_v2df): New.
350
20de58d9
RS		 3512005-09-19 Richard Sandiford <richard@codesourcery.com>
352
353 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
354 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
355
2a23f9a7
RH		 3562005-09-19 Richard Henderson <rth@redhat.com>
357
358 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
359 vcondu<SSEMODE12>.
360
e898620c
RH		 3612005-09-19 Richard Henderson <rth@redhat.com>
362
363 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
364 (ia64_expand_dot_prod_v8qi): New.
365 * config/ia64/ia64-protos.h: Update.
366 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
367 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
368 sdot_prodv8qi, sdot_prodv4hi): New.
369 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
370
d289e37a
RH		 3712005-09-19 Richard Henderson <rth@redhat.com>
372
373 PR 23941
374 * real.c (exact_real_truncate): Return false if the format cannot
375 represent the number as a normal.
376
a220ee34
RH		 377 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
378 for a memory source.
379
3c7d0735
DN		 3802005-09-19 Dorit Nuzman <dorit@il.ibm.com>
381
382 * tree-ssa-operands.c (swap_tree_operands): Export.
383 * tree.h (swap_tree_operands): Declare.
384 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
385 Call swap_tree_operands.
386
99c09897
RH		 3872005-09-19 Richard Henderson <rth@redhat.com>
388
389 * tree-flow.h (merge_alias_info): Declare.
390 * tree-ssa-copy.c (merge_alias_info): Export.
391 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
392 (vect_create_data_ref_ptr): Use create_iv directly.
393 (vectorizable_load): Use correct types for integer constants.
394 (vect_generate_tmps_on_preheader): Likewise.
395 (vect_gen_niters_for_prolog_loop): Likewise.
396
31c304ba
SB		 3972005-09-19 Steven Bosscher <stevenb@suse.de>
398
399 PR rtl-optimization/23943
400 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
401
e238ccac
JH		 4022005-09-18 Jan Hubicka <jh@suse.cz>
403
404 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
405
f7952e0a
EB		 4062005-09-18 Eric Botcazou <ebotcazou@adacore.com>
407
408 * varasm.c (output_constant): Do not abort on conversions to union
409 types between different sizes.
410
c2953725
RG		 4112005-09-18 Richard Guenther <rguenther@suse.de>
412
413 PR middle-end/23944
414 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
415 fallback.
416
798d7d9d
PB		 4172005-09-18 Paul Brook <paul@codesourcery.com>
418
419 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
420
b1e8be10
RH		 4212005-09-17 Richard Henderson <rth@redhat.com>
422
423 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
424 * tree-ssa-loop.c (pass_vect_dce): Remove.
425 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
426 of pass_vectorize.
427
8fe07c42
RH		 4282005-09-17 Richard Henderson <rth@redhat.com>
429
430 * tree-pass.h (pass_vect_dce): Declare.
431 * passes.c (init_optimization_passes): Add it.
432 * tree-flow.h (tree_ssa_dce): Declare.
433 * tree-ssa-dce.c (tree_ssa_dce): Export.
434 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
435 (gate_tree_vectorize): ... here.
436 (pass_vect_dce): New.
437
0856ee98
JH		 4382005-09-17 Jan Hubicka <jh@suse.cz>
439
440 * except.c (struct eh_status): Turn region_array into vec.
441 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
442 convert_from_eh_region_ranges, find_exception_handler_labels,
443 current_function_has_exception_handlers, assign_filter_values,
444 build_post_landing_pads, dw2_build_landing_pads,
445 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
446 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
447 foreach_reachable_handler, can_throw_internal_1,
448 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
449 region_array.
450 (duplicate_eh_region_1): Update region_array.
451 (duplicate_eh_regions): Resize region_array and avoid recomputing.
452
53c4ca47
DE		 4532005-09-17 David Edelsohn <edelsohn@gnu.org>
454
455 PR middle-end/22067
456 * expmed.c (expand_mult): Substitute simple register for op0 when
457 computing max_cost.
458
652b0932
RH		 4592005-09-17 Richard Henderson <rth@redhat.com>
460
461 * expr.c (emit_move_via_integer): Add force argument, pass it on
462 to emit_move_change_mode. Update callers.
463 (emit_move_complex): Pass true to new force argument.
464 * function.c (expand_function_end): Move expand_eh_return call
465 earlier. Merge sub-word complex values into a pseudo before
466 copying to the return hard register.
467
69fcfd68
EB		 4682005-09-17 Eric Botcazou <ebotcazou@adacore.com>
469
470 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
471 between different sizes.
472
6a4e4778
PB		 4732005-09-16 Paolo Bonzini <bonzini@gnu.org>
474
475 PR 23903
476
477 * passes.c (init_optimization_passes): Register dump files for
478 IPA passes first.
479
bcf8c1cc
AK		 4802005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
481
482 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
483 * config/s390/s390.c (s390_overlap_p): New function.
484 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
485 peephole2, "*xc" peephole2): Added overlap check to the peephole2
486 condition.
487
f7acf1c2
RG		 4882005-09-16 Richard Guenther <rguenther@suse.de>
489
490 * ipa-pure-const.c (static_execute): Free auxiliar information.
491 * ipa-type-escape.c (discover_unique_type): Free temporary key.
492 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
493
f5ea2dca
DD		 4942005-09-15 DJ Delorie <dj@redhat.com>
495
496 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
497
9026e8d4
PB		 4982005-09-15 Paolo Bonzini <bonzini@gnu.org>
499
500 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
501 to order operands.
502 (swap_commutative_operands_with_target): New.
503
14b33c04
DB		 5042005-09-15 Daniel Berlin <dberlin@dberlin.org>
505
506 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
507 parameter.
508 Update callers.
509 (estimate_iters_using_array): New function.
510 * tree-data-ref.h (estimate_iters_using_array): Prototype
511 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
512 Use estimate_iters_using_array instead of analyze_array.
513
d430cbe7
EB		 5142005-09-15 Eric Botcazou <ebotcazou@adacore.com>
515
516 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
517 as addressable.
518
fca59ed2
MM		 5192005-09-15 Michael Matz <matz@suse.de>
520
521 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
522
fd312e90
DB		 5232005-09-14 Daniel Berlin <dberlin@dberlin.org>
524
525 PR tree-optimization/23835
526 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
527 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
528
47b71abb
RH		 5292005-09-14 Richard Henderson <rth@redhat.com>
530
531 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
532 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
533
5139c66b
AP		 5342005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
535
536 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
537 in the ARRAY_TYPE case.
538
7ad00e13
EB		 5392005-09-14 Eric Botcazou <ebotcazou@adacore.com>
540
541 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
542
b2d16a23
UB		 5432005-09-14 Uros Bizjak <uros@kss-loka.si>
544
545 PR middle-end/22480
546 * tree-vect-transform.c (vectorizable_operation): Return false for
547 scalar shift operations and for vector shift operations with
548 non-invariant shift arguments. Use scalar tree operand op1 as
549 a shift operand when vector shift insn pattern uses scalar shift
550 operand.
551 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
552
816fa80a
OH		 5532005-09-14 Olivier Hainque <hainque@adacore.com>
554
555 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
556 value if it has side-effects.
557
c9692532
DE		 5582005-09-14 David Edelsohn <edelsohn@gnu.org>
559
560 PR target/22068
561 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
562
00754468
AM		 5632005-09-14 Alan Modra <amodra@bigpond.net.au>
564
565 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
566 passed as NAME as if it were label at start of function code.
567
18943792
KK		 5682005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
569
570 * config/sh/sh.md (*movv4sf_i): Add general register cases to
571 the constraints.
572
af8e8908
AP		 5732005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
574
575 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
576 as early clobber. Rewrite so the PIC register is not implicitly used.
577
282c3fdc
VR		 5782005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
579
580 * tree.c (annotate_with_file_line): Compare line numbers before
581 file names.
582
79e72538
UB		 5832005-09-13 Uros Bizjak <uros@kss-loka.si>
584
585 PR target/23816
586 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
587 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
588
1984d2e8
ILT		 5892005-09-13 Ian Lance Taylor <ian@airs.com>
590
591 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
592 than a HOST_WIDEST_INT to gen_doloop_begin.
593
5681f1ab
DN		 5942005-09-13 Diego Novillo <dnovillo@redhat.com>
595
596 * tree-dfa.c (dump_variable): Guard against NULL annotations.
597
d7f0e25c
ZD		 5982005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
599
600 PR tree-optimize/23817
601 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
602
2eef28ec
AM		 6032005-09-13 Alan Modra <amodra@bigpond.net.au>
604
605 PR target/23774
606 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
607 word before changing the stack pointer. Use gen_frame_mem for MEMs.
608 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
609 (restore_stack_nonlocal): Likewise.
610 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
611
d63d5d0c
ILT		 6122005-09-12 Ian Lance Taylor <ian@airs.com>
613
614 PR g++/7874
615 * c.opt (ffriend-injection): New C++ option.
616 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
617 (C++ Dialect Options): Document -ffriend-injection.
618
d840283a
JC		 6192005-09-12 Josh Conner <jconner@apple.com>
620
621 PR middle-end/23237
622 * ipa-reference.c (static_execute): Don't mark variables in
623 named sections TREE_READONLY.
624
309ebcd0
AM		 6252005-09-12 Alan Modra <amodra@bigpond.net.au>
626
627 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
628 stack_tie.
629
8d099498
AP		 6302005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
631
632 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
633 V_MUST_DEF instead of just the first_use_p.
634 Don't mark the virtual variables for renaming on the statement which
635 is being removed.
636 (pass_dse): Remove TODO_update_ssa.
637
cd41bae5
R		 6382005-09-12 J"orn Rennecke <joern.rennecke@st.com>
639
f439f9a5
R		 640 PR middle-end/23290
641 * stor-layout.c (compute_record_mode): For records with a single
642 field, actually check the field's mode size against the type size.
643
cd41bae5
R		 644 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
645 registers for TARGET_SHMEDIA.
646 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
647 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
648 of GENERAL_REGS and FP_REGS.
649
b99791d1
BS		 6502005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
651
309ebcd0 652 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
b99791d1 653
f489aff8
AM		 6542005-09-12 Alan Modra <amodra@bigpond.net.au>
655
656 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
657 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
658 are omitted. Exclude stack_tie insn too.
659
8308679f
DE		 6602005-09-11 David Edelsohn <edelsohn@gnu.org>
661
662 PR rtl-optimization/23098
663 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
664 0.0f is easy.
665 * config/rs6000/rs6000.md (movdf splitter): Use
666 const_double_operand predicate for TARGET_POWERPC64.
667 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
668 SYMBOL_REF method to ABI_V4.
669
670 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
671 replace_equiv_address.
672 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
673 rs6000_sr_alias_set and MEM_NOTRAP.
674 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
675
4c223d6a
EB		 6762005-09-11 Eric Botcazou <ebotcazou@adacore.com>
677
678 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
679 handle CALL_EXPR again.
680
2347f5c9
RE		 6812005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
682
683 * arm/predicates.md (alignable_memory_operand): Delete.
684
4e0e2698
RH		 6852005-09-10 Richard Henderson <rth@redhat.com>
686
687 PR debug/23806
688 * dbxout.c (dbxout_expand_expr): New.
689 (dbxout_symbol): Use it.
690
31fa16b6
RE		 6912005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
692
693 * arm.c (arm_gen_rotated_half_load): Delete.
694 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
695 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
696 (thumb_set_return_address): Likewise.
697 (thumb_load_double_from_address): Use adjust_address.
698 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
699 (extendhsisi2_mem, movhi_bytes): Use change_address.
700 (movhi): Use widen_memory_access.
701 (reload_out_df): Use replace_equiv_address.
702 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
703
9bfa80fb
RH		 7042005-09-09 Richard Henderson <rth@redhat.com>
705
706 PR debug/20998
707 * dbxout.c: Include expr.h.
708 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
709 (dbxout_symbol): Handle DECL_VALUE_EXPR.
710 * Makefile.in (dbxout.o): Add EXPR_H.
711
2360a4c1
ZD		 7122005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
713
714 PR tree-optimization/23509
715 * tree-cfg.c (replace_uses_by): Use replace_exp.
716 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
717 pointers have name_mem_tag or type_mem_tag set.
718
7ce7896c
SP		 7192005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
720
721 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
722 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
723 of wrongly accessing operands.
724
18aed06a
SP		 7252005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
726
727 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
728 * tree-chrec.c: Include tree-scalar-evolution.h.
729 (chrec_convert): Instantiate the base and step before calling
730 scev_probably_wraps_p that would fail on parametric evolutions.
731 Collect all the fails into a single section failed_to_convert,
732 print a diagnostic, and return chrec_dont_know instead of calling
733 fold_convert.
734 * tree-scalar-evolution.c (loop_closed_phi_def): New.
735 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
736 phi nodes.
737 (scev_const_prop): Don't replace the definition of a loop closed ssa
738 phi node by itself, or by another loop closed ssa phi node.
739 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
740 that base and step are defined.
741
3dac16bd
RG		 7422005-09-09 Richard Guenther <rguenther@suse.de>
743
744 PR c++/23624
745 * fold-const.c (fold_ternary): Check truth_value_p before
746 calling invert_truthvalue.
747
dcfae47c
NC		 7482005-09-09 Nick Clifton <nickc@redhat.com>
749
750 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
751 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
752 dimension of these arrays.
753 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
754 these arrays.
755 * longlong.h: Only provide a prototype for the __clz_tab[] array
756 if this header has not been included from libgcc2.h.
757 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
758 defining own types.
759 Provide prototypes for exported functions.
760 Use the __clz_tab[] and __popcount_tab[] arrays provided by
761 libgcc2.c.
762
d047a201
JC		 7632005-09-08 Josh Conner <jconner@apple.com>
764
70e9e3d6 765 PR c++/21135
d047a201
JC		 766 PR c++/23180
767 * expr.c (expand_expr_addr_expr_1): Don't invoke
768 expand_simple_binop for EXPAND_INITIALIZER.
769
db5f8b93
RH		 7702005-09-08 Richard Henderson <rth@redhat.com>
771
772 PR debug/23190
773 * toplev.c (wrapup_global_declaration_1): Split out ...
774 (wrapup_global_declaration_2): ... from ...
775 (wrapup_global_declarations): ... here. Return bool.
776 (check_global_declaration_1): Split out ...
777 (check_global_declarations): from here.
778 (emit_debug_global_declarations): New.
779 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
780 check_global_declaration_1, emit_debug_global_declarations): Declare.
781 * c-decl.c (c_write_global_declarations_1): Don't create a vector
782 of decls. Call wrapup_global_declaration_1,
783 wrapup_global_declaration_2, check_global_declaration_1 directly.
784 (c_write_global_declarations_2): New.
785 (ext_block): New.
786 (c_write_global_declarations): Call c_write_global_declarations_2.
787 * langhooks.c (write_global_declarations): Call
788 emit_debug_global_declarations.
789
790 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
791 remove decls that have DECL_RTL_SET_P.
792 * passes.c (rest_of_decl_compilation): Invoke
793 cgraph_varpool_finalize_decl for all but functions.
794
5c9186ce
EB		 7952005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
796
797 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
798 the result of a conversion if the new min and max cannot be compared.
799
dcc9eb26
AK		 8002005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
801
802 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
803 (override_options): Setting s390_sr_alias_set removed.
804 (save_fpr, save_gprs): Set alias set to vararg or frame.
805 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
806 s390_sr_alias_set with get_frame_alias_set ().
807 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
808 get_varargs_alias_set ().
809
8f078c08
AP		 8102005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
811
812 PR objc/20574
813 PR objc/19324
814 * c-parser.c (c_parser_objc_method_definition): If the next
815 token is not "{", error out and don't start the function.
816
0c924d5c
AP		 8172005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
818
819 * tree-vrp.c (extract_range_from_expr): Move the check for non
820 nullness after the check for gimple invariant.
821
9f36bc49
RK		 8222005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
823
824 * tree.c (host_integerp, tree_low_cst): Correct function comment.
825
085fd657
KI		 8262005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
827
828 PR target/23747
829 * config/m32r.md (movmemsi_internal): Canonicalize order of
830 operands in PLUS component of template.
831
b735f45d
AK		 8322005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
833
834 * reload1.c (fixup_eh_region_note): Remove assertion.
835 (fixup_abnormal_edges): Reverted removal of call to
836 find_many_sub_basic_blocks made on 2005-08-31.
837
30e6f306
RH		 8382005-09-07 Richard Henderson <rth@redhat.com>
839
8fe07c42
RH		 840 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
841 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
30e6f306 842 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
8fe07c42
RH		 843 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
844 rearrange for better packing.
30e6f306 845 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
8fe07c42
RH		 846 (lookup_cfa_1): Remove inline marker.
847 (cfa_equal_p): Split out of ...
848 (def_cfa_1): ... here. Use INVALID_REGNUM.
849 (build_cfa_loc): Handle !cfa->indirect.
850 (frame_pointer_cfa_offset): New.
851 (dbx_reg_number): Assert register elimination performed; do
852 leaf register remapping.
853 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
854 (eliminate_reg_to_offset): New.
855 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
856 for verifiably local stack frame addresses; re-base to CFA.
857 (mem_loc_descriptor): Remove can_use_fbreg argument.
858 (concat_loc_descriptor, loc_descriptor): Likewise.
859 (containing_function_has_frame_base): Remove.
860 (rtl_for_decl_location): Don't do register elimination or
861 leaf register remapping here.
862 (secname_for_decl): Split out from ..
863 (add_location_or_const_value_attribute): ... here.
864 (convert_cfa_to_loc_list): New.
865 (compute_frame_pointer_to_cfa_displacement): New.
866 (gen_subprogram_die): Use them.
867 * tree.h (frame_base_decl): Remove.
868 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
869 (prologue_stack_adjust): Remove.
870 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
871 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
872 (set_frame_base_location): Remove.
873 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
874 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
875 (vt_add_function_parameters): Don't eliminate_regs.
876 (vt_initialize): Don't create frame_base_decl.
30e6f306 877
ff8f80f2
EB		 8782005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
879
880 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
881 version of GNU binutils for 4.x and later.
882
6f02b1db
MM		 8832005-09-06 Mark Mitchell <mark@codesourcery.com>
884
885 * ggc-page.c (ggc_push_context): Remove.
886 (ggc_pop_context): Likewise.
887 * ggc.h (ggc_push_context): Remove.
888 (ggc_pop_context): Likewise.
889
3273516f
SV		 8902005-09-06 Saurabh Verma <saurabh.verma@codito.com>
891
892 PR target/8973
893 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
894 returning from an interrupt handler.
895
006fa7d4
SV		 8962005-09-06 Saurabh Verma <saurabh.verma@codito.com>
897
898 PR target/8972
899 * config/arc/arc.c (output_shift): Add check for loop count when
900 optimizing.
901
800dd123
SB		 9022005-09-06 Steven Bosscher <stevenb@suse.de>
903
904 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
905 form manually.
906 (abs_replacement): Likewise.
907 (pass_phiopt): Remove TODO_update_ssa.
908
73109af7
JJ		 9092005-09-06 Jakub Jelinek <jakub@redhat.com>
910
0c9b182b
JJ		 911 PR c/23075
912 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
913 if "return with no value, in function returning non-void" warning
914 has been issued.
800dd123 915 * tree-cfg.c (execute_warn_function_return): Don't look at
0c9b182b
JJ		 916 RETURN_EXPRs with TREE_NO_WARNING set.
917
73109af7
JJ		 918 PR target/22362
919 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
920 for internal functions doesn't use registers used by global registers
921 variables. Use fewer register parameters if there are global register
922 variables.
923
60a23e2e 9242005-09-06 Olivier Hainque <hainque@adacore.com>
800dd123 925 Eric Botcazou <ebotcazou@adacore.com>
60a23e2e
OH		 926
927 PR middle-end/14997
928 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
929 when we would be extracting outside its bit span (bitpos+bitsize
930 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
931 Ada unchecked conversions.
932
dda243de
SB		 9332005-09-06 Steven Bosscher <stevenb@suse.de>
934
935 * tree-ssa-pre.c (try_look_through_load): New function.
936 (compute_avail): Use it to try to look through loads for some
937 more useful expressions.
938
f5d1572a
SV		 9392005-09-06 Saurabh Verma <saurabh.verma@codito.com>
940
941 * simplify-rtx.c (simplify_binary_operation_1): Correct the
942 condition for detecting cases like (a&a) and (a^a).
943
c12cc930
KB		 9442005-09-06 Keith Besaw <kbesaw@us.ibm.com>
945
946 * common.opt: Add option ftree-vect-loop-version.
947 * params.def: Add --param vect-max-version-checks.
948 * doc/invoke.texi: Document ftree-vect-loop-version and
949 --param vect-max-version-checks.
950 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
951 may_misalign_stmts and defines for accessors.
952 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
953 LOOP_VINFO_MAY_MISALIGN_STMTS.
954 (destroy_loop_vec_info): VEC_free for
955 LOOP_VINFO_MAY_MISALIGN_STMTS.
956 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
957 Update documentation.
958 (vect_update_misalignment_for_peel): New.
959 (vect_enhance_data_refs_alignment): Update to choose loop
960 peeling or loop versioning if appropriate for the (potentially)
961 unaligned data references in the loop.
962 (vect_analyze_data_refs_alignment): Remove call to
963 vect_enhance_data_refs_alignment so the checks can be done
964 earlier.
965 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
966 and move up call to vect_analyze_data_refs_alignment.
967 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
968 (vect_transform_loop): Add call to loop_version.
969
1c653a41
JJ		 9702005-09-06 Jakub Jelinek <jakub@redhat.com>
971
972 PR rtl-optimization/23098
973 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
974 * simplify-rtx.c (constant_pool_reference_p): New function.
975 * rtl.h (constant_pool_reference_p): New prototype.
976 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
977 constant_pool_reference_p in condition and
978 avoid_constant_pool_reference in preparation statements.
979
70a640af
AK		 9802005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
981
982 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
983 STRICT_LOW_PART SETs.
984
fc781ee0
AM		 9852005-09-06 Alan Modra <amodra@bigpond.net.au>
986
987 PR middle-end/21460
988 * except.c (sjlj_emit_function_enter): Find the function begin
989 note even when it's not in first basic block.
990
67da1534
KC		 9912005-09-06 Kelley Cook <kcook@gcc.gnu.org>
992
993 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
994 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
995 * aclocal.m4: Regenerate.
996
dc019eb8
DD		 9972005-09-05 DJ Delorie <dj@redhat.com>
998
999 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1000 of macro.
1001
57b51d4d
KH		 10022005-09-06 Kazu Hirata <kazu@codesourcery.com>
1003
1004 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1005 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1006 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1007 Follow spelling conventions.
1008 * doc/invoke.texi: Follow spelling conventions.
1009
bf877a76
R		 10102005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1011
1012 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1013 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1014 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1015
57d38024
R		 10162005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1017
1018 PR target/23683
1019 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1020 (output_stack_adjust): Use gen_tmp_stack_mem.
1021 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1022 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1023 (sh_get_pr_initial_val): Likewise.
1024 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1025 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1026 * sh.md (divsi_inv_m0): Use gen_const_mem.
1027 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1028 (movdf_i4+1): Use gen_tmp_stack_mem.
1029 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1030 (fpu_switch+2): Likewise.
1031 (movv4sf_i, movv16sf_i): Use adjust_address.
1032 (symGOT_load): Set MEM_NOTRAP_P bit.
1033
1c9ef36d
JDA		 10342005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1035
1036 PR target/23721
1037 * pa.c (emit_move_sequence): Fix typo in last change.
1038
7a6b7528
JJ		 10392005-09-03 Jakub Jelinek <jakub@redhat.com>
1040
1041 PR rtl-optimization/23454
1042 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1043 is true.
1044
7c95bbfb
RH		 10452005-09-03 Richard Henderson <rth@redhat.com>
1046 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1047
1048 PR middle-end/23671
800dd123 1049 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7c95bbfb
RH		 1050 gen_rtx_MEM.
1051
b107d743
NP		 10522005-09-02 Nicolas Pitre <nico@cam.org>
1053
1054 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1055 to bit_count to 32 bits.
1056
a38578e1
MM		 10572005-08-31 Mark Mitchell <mark@codesourcery.com>
1058
1059 PR c++/23167
1060 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1061 generating synthetic loads from volatile lvalues.
1062
ebf178cd
NC		 1063005-09-02 Nick Clifton <nickc@redhat.com>
1064
1065 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1066 __ctzhi2, __clzhi2): New functions.
1067
9bf777ee
AP		 10682005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1069
1070 PR middle-end/23547
1071 * tree-nested.c (struct var_map_elt): Mark with GTY.
1072 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1073 var_map_elt.
1074 (lookup_field_for_decl): Allocate new element in GC memory.
1075 (lookup_tramp_for_decl): Likewise.
1076 (convert_nl_goto_reference): Likewise
1077 (create_nesting_tree): Allocate info in GC memory. Likewise for
1078 info->var_map.
1079 (free_nesting_tree): Free with ggc_free instead of free.
1080 (root): New static variable.
1081 (lower_nested_functions): Remove root as local variable. And zero out
1082 root at the end of the function.
1083
f805670f
R		 10842005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1085
1086 PR rtl-optimization/20365
1087 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1088 to short. New member ix.
1089 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1090 (simplify_plus_minus): Initialize ix members before calling qsort.
1091
b8c4f9a4
ZD		 10922005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1093
1094 PR tree-optimization/23626
1095 * tree-cfg.c (replace_uses_by): Clean up eh info.
1096
73eb8cb6
DD		 10972005-09-01 DJ Delorie <dj@redhat.com>
1098
1099 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1100 fprintf.
1101
13e2e16e
DE		 11022005-09-01 David Edelsohn <edelsohn@gnu.org>
1103
1104 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1105 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1106 gen_rtx_MEM.
1107
52d09157
CR		 11082005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1109
1110 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1111 do not issue warning for a variable definition following
1112 a declaration.
1113
277fc67e
RH		 11142005-09-01 Richard Henderson <rth@redhat.com>
1115
1116 PR 23668
1117 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1118 conversion to CONST_VECTOR.
1119
e3947b34
RH		 11202005-09-01 Richard Henderson <rth@redhat.com>
1121
1122 PR 23676
1123 * reload1.c (reload_as_needed): Check !CALL_P before calling
1124 fixup_eh_region_note.
1125 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1126
056061d8
DD		 11272005-09-01 DJ Delorie <dj@redhat.com>
1128
1129 * varasm.c (output_constant): Let the target resolve
1130 conversions of addresses to non-default pointer sizes.
1131
86805759
NP		 11322005-09-01 Nicolas Pitre <nico@cam.org>
1133
1134 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1135 to alow matching ARM pre-indexed addressing mode.
1136 (arm_override_options): Remove now irrelevant comment.
1137
d442d7d9
PE		 11382005-09-01 Phil Edwards <phil@codesourcery.com>
1139
1140 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1141 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1142 * config/i386/vxworks.h: Likewise.
1143 * config/i386/t-vxworksae: New file, for VxWorks AE.
1144 * config/i386/vxworksae.h: Likewise.
1145
ab02cc4e
SP		 11462005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1147
1148 PR tree-optimization/23410
1149 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1150 sequence is not wrapping during the first step.
1151
ac156e91
JJ		 11522005-09-01 Jakub Jelinek <jakub@redhat.com>
1153
1154 PR debug/7241
1155 * dwarf2out.c (base_type_die): Compare char_type_node with
1156 TYPE_MAIN_VARIANT (type), not type.
1157
355866de
RG		 11582005-09-01 Richard Guenther <rguenther@suse.de>
1159
1160 PR tree-optimization/15366
1161 * common.opt: Add -finline-functions-called-once.
1162 Put -fearly-inlining in alphabetically ordered place.
1163 * doc/invoke.texi: Document new option.
1164 * ipa-inline.c (cgraph_decide_inlining): Honour
1165 flag_inline_functions_called_once.
1166
95c37cdb
JJ		 11672005-09-01 Jakub Jelinek <jakub@redhat.com>
1168
1169 PR rtl-optimization/23478
1170 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1171 (alloc_qty): Initialize it.
1172 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1173 (combine_regs): Combine also n_throwing_calls_crossed fields.
1174 (find_free_reg): Don't attempt to caller-save pseudos crossing
1175 calls that might throw.
1176 * global.c (struct allocno): Add throwing_calls_crossed field.
1177 (global_alloc): Revert 2005-08-22 change. Initialize
1178 throwing_calls_crossed.
1179 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1180 might throw.
1181
1990cd79
AM		 11822005-09-01 Alan Modra <amodra@bigpond.net.au>
1183
1184 PR target/23649
1185 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1186 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1187 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1188 (and64_2_operand): Tweak to use predicate.
1189 (and_operand): Adjust for mask_operand changes.
1190 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1191 (print_operand): Likewise.
1192 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1193 (mask64_1or2_operand): Delete.
1194 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1195 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1196 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1197 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1198 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1199 (rotldi3_internal4): Likewise.
1200 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1201 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1202 (ashldi3_internal7): Likewise.
1203 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1204 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1205 (anddi3 split): Don't match mask64_operand.
1206 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1207 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1208 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1209 't' splitter predicate.
1210 (movdi_internal64 + 2): Revert 2005-06-11 change.
1211
e9555b13
DD		 12122005-08-31 DJ Delorie <dj@redhat.com>
1213
1214 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1215 (m32c_asm_integer): Add support for 32 bit pointers.
1216
8476af98
RH		 12172005-08-31 Richard Henderson <rth@redhat.com>
1218
1219 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1220 component-like references for setting MEM_NOTRAP_P.
1221
1222 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1223 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1224
0fd662ee
RH		 12252005-08-31 Richard Henderson <rth@redhat.com>
1226
1227 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1228 into a pseudo before applying gen_lowpart.
1229
960ac6e1
GK		 12302005-08-31 Geoffrey Keating <geoffk@apple.com>
1231
1232 * doc/install.texi (Specific): Update cctools version required
1233 for full functionality.
1234 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1235 linkers as -macosx_version_min.
1236
4802062c
R		 12372005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1238
1239 PR target/21255
1240 * sh.c (print_operand, %R and %S): Add handling of floating point
1241 registers, memory, constants and invalid operands.
1242
d4feded7
DB		 12432005-08-31 Daniel Berlin <dberlin@dberlin.org>
1244
1245 * ipa-pure-const.c: Change dump name.
1246
d16093fd
UB		 12472005-08-31 Uros Bizjak <uros@kss-loka.si>
1248
1249 PR target/23570
1250 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1251 to "reg_or_0_operand".
1252 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1253
c9eb8097
DJ		 12542005-08-31 Dale Johannesen <dalej@apple.com>
1255
1256 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1257 loops that count down.
1258
be0c514c
RH		 12592005-08-31 Richard Henderson <rth@redhat.com>
1260
35210087 1261 PR rtl-opt/23601
be0c514c
RH		 1262 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1263 (fixup_eh_region_note): New.
1264 (reload_as_needed): Call it.
1265 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1266 don't call find_many_sub_basic_blocks; call verify_flow_info.
1267 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1268 (keep_stack_depressed): Likewise.
1269 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1270
5d3018ce
RH		 12712005-08-31 Richard Henderson <rth@redhat.com>
1272
1273 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1274 fp return matching.
1275
dc38a610
FJ		 12762005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1277
1278 * expr.c (expand_expr_real_1): Compare size of address
1279 mode to target's address mode size in deciding expansion of
1280 the constant address.
1281
c5250139
RG		 12822005-08-31 Richard Guenther <rguenther@suse.de>
1283
1284 PR middle-end/23477
1285 * expr.c (all_zeros_p): New function.
1286 (expand_expr_real_1): Handle the case of an all-zero
1287 non-addressable constructor separately.
1288
ab173928
AS		 12892005-08-31 Adrian Straetling <straetling@de.ibm.com>
1290
1291 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1292 arguments, adjust all callers.
1293 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1294
fabaaf36
RH		 12952005-08-30 Richard Henderson <rth@redhat.com>
1296
1297 PR target/23630
1298 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1299 whenever the mode sizes match.
1300
40b0345d
AM		 13012005-08-31 Alan Modra <amodra@bigpond.net.au>
1302
1303 * calls.c (load_register_parameters): Fix comment typo.
1304 * expr.c (emit_push_insn): Comment formatting.
1305
c2e493dc
ILT		 13062005-08-30 Ian Lance Taylor <ian@airs.com>
1307
1308 * config/i386/x-cygwin (host-cygwin): Change dependency from
1309 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1310
9fc5fa7b
GK		 13112005-08-29 Geoffrey Keating <geoffk@apple.com>
1312
1313 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1314 parts of 'vals'.
1315
f471f0fc 13162005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
57247f4b
AP		 1317
1318 PR middle-end/23408
1319 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1320 call to ggc_collect.
1321
f471f0fc 13222005-08-29 Paolo Bonzini <bonzini@gnu.org>
3a6ebcdc
PB		 1323
1324 PR bootstrap/21268
1325 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1326 beginning. Remove $(INCLUDES) from all the rules, if following
1327 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1328
f28d3046
JJ		 13292005-08-29 Jakub Jelinek <jakub@redhat.com>
1330
1331 PR middle-end/23484
1332 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1333 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1334 not constant, but maxlen is, don't set len to maxlen, rather
1335 set maxlen to len if len is a constant.
1336
37261a5c
ZD		 13372005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1338
1339 PR tree-optimization/23475
1340 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1341 and counts.
1342
46c5394b
DB		 13432005-08-28 Daniel Berlin <dberlin@dberlin.org>
1344
1345 Fix PR middle-end/22455
1346
1347 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1348 Checksum only the parts of the tree that exist for the tree code.
1349
ea407814
DJ		 13502005-08-28 Dale Johannesen <dalej@apple.com>
1351
1352 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1353
87e71ff4
AP		 13542005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1355
1356 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1357
490272b4
RH		 13582005-08-28 Richard Henderson <rth@redhat.com>
1359
1360 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1361 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1362 of char_type_node.
1363
a6017253
JJ		 13642005-08-28 Jakub Jelinek <jakub@redhat.com>
1365
1366 PR ada/23593
1367 * builtins.c (get_memory_rtx): Don't strip nops
1368 in between COMPONENT_REFs.
1369
412f8986
AP		 13702005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1371
1372 PR middle-end/23463
1373 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1374 types.
1375 (gimplify_modify_expr): Check for zero sized types and gimplify the
1376 rhs and lhs as statements.
1377
147a8fb1
JDA		 13782005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1379
1380 PR libgcj/23508
1381 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1382 state for return address column of signal frames.
1383
ec53fc93
DE		 13842005-08-27 David Edelsohn <edelsohn@gnu.org>
1385
1386 PR target/23539
fabaaf36
RH		 1387 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1388 bytes >= 2 not bytes == 2.
ec53fc93
DE		 1389 (expand_block_move): Same.
1390
f013cadc
RG		 13912005-08-27 Richard Guenther <rguenther@suse.de>
1392
1393 PR target/23575
1394 * config/i386/sse.md (sse2_movsd): Add missing closing
1395 braces.
1396
0cd6c85a
PB		 13972005-08-27 Paul Brook <paul@codesourcery.com>
1398
1399 * genrecog.c (enum decision_type): Add DT_num_insns.
1400 (struct decision_test): Add u.num_insns.
1401 (add_to_sequence): Add DT_num_insns test.
1402 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1403 (write_cond, debug_decision_2): Ditto.
1404 (change_state): Assume peep2_next_insn never fails.
1405 Remove "afterward" argument.
1406 (write afterward, write_tree): Update to match.
1407 * recog.c (peep2_current_count): New variable.
1408 (peep2_next_insn): Check it.
1409 (peephole2_optimize): Set peep2_current_count.
1410 * recog.h (peep2_current_count): Declare.
1411
1b0d2d17
JC		 14122005-08-26 Josh Conner <jconner@apple.com>
1413
1414 PR middle-end/23584
1415 * ipa-pure-const.c (check_tree): Check for volatile-ness
1416 when considering a dereference.
1417
24b7d7c3
JJ		 14182005-08-27 Jakub Jelinek <jakub@redhat.com>
1419
1420 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1421
435bb2a1
JJ		 14222005-08-26 Jakub Jelinek <jakub@redhat.com>
1423
1424 PR rtl-optimization/23561
1425 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1426 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1427 at most LEN bytes long memory fits into the field.
1428 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1429 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1430 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1431
52e772ba
RH		 14322005-08-26 Richard Henderson <rth@redhat.com>
1433
1434 PR rtl-opt/23560
1435 * loop.c (biased_biv_may_wrap_p): New.
1436 (maybe_eliminate_biv_1): Use it to suppress non-equality
1437 comparison transformations. Delete disabled code.
1438
8f34bde6
ILT		 14392005-08-26 Ian Lance Taylor <ian@airs.com>
1440
1441 * combine.c (make_extraction): Avoid reference outside object.
1442
d6cde480
R		 14432005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1444
1445 * stor-layout.c (finalize_type_size): Restore behaviour for
1446 non-aggregate types to the status quo ante of the patch for
1447 pr 23467. Document why it matters.
1448
39627fed
JJ		 14492005-08-26 Jakub Jelinek <jakub@redhat.com>
1450
1451 PR c/23506
1452 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1453 array by one element, initialize the BT_LAST element with NULL.
1454
297abd0d
DE		 14552005-08-26 David Edelsohn <edelsohn@gnu.org>
1456
1457 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1458 optimizing for size.
1459 (plus_eqsi): Same.
1460 (compare_plus_eqsi): Same.
1461 (plus_eqsi_compare): Same.
1462 (neg_eq0<mode>): Same.
1463 (neg_eq<mode>): Same.
1464
1465 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1466 PROCESSOR_POWER4.
1467
2ec6cd51
NC		 14682005-08-26 Nick Clifton <nickc@redhat.com>
1469
1470 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1471 TARGET_EP is not defined.
1472 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1473 TARGET_EP is enabled.
1474 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1475 * config/v850/v850.md (save_all_interrupt): Only use the EP
1476 register if TARGET_EP is defined.
1477 (restore_all_interrupt): Likewise.
1478 * config/v850/lib1funcs.asm: Update functions so that the EP
1479 register is only used if __EP__ is defined.
1480
e296c00c
DU		 14812005-08-26 David Ung <davidu@mips.com>
1482
1483 * config/mips/mips.c (mips_expand_prologue): Handle case when
1484 generating for MIPS16 and the outgoing argument area is more than
1485 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1486 add instruction.
1487
55d61dba
PW		 14882005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1489
1490 * config/crx/crx.md: Make doloop_end pattern usage controllable
1491 via mloop-nesting=<max-nesting> command line switch. Make sure
1492 the combiner cannot use doloop_end_<mode> in an illegal way.
1493 * config/crx/crx.c: Use regs up to r6 for argument passing.
1494 Refine crx_address_cost (non cst4 displacements are expensive).
1495 * config/crx/crx.opt: Add switch for mloop-nesting=.
1496
742090fc
AS		 14972005-08-26 Adrian Straetling <straetling@de.ibm.com>
1498
1499 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1500 (UNSPEC_MVST): New constant.
1501
db21e1d0
AK		 15022005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1503
1504 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1505 Reject operands containing eliminable registers.
1506 * testsuite/gcc.dg/20050825-1.c: New testcase.
1507
0621d71a
PB		 15082005-08-24 Paolo Bonzini <bonzini@gnu.org>
1509 Jan Hubicka <jh@suse.cz>
1510
1511 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1512
e2889823
PB		 15132005-08-24 Paolo Bonzini <bonzini@gnu.org>
1514
1515 PR tree-optimization/23546
1516 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1517 and REAL_CST nodes.
1518
6f48c21a
PS		 15192005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1520
1521 * params.def (PARAM_MIN_SPEC_PROB): New.
1522 * sched-rgn.c (MIN_PROBABILITY): Delete.
1523 (compute_trg_info): Convert to PARAM_VALUE.
1524 * doc/invoke.texi (param): Document min-spec-prob.
1525
1a1e6a9d
FJ		 15262005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1527
1528 * config/darwin.h: define __PIC__
1529 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1530 TARGET_OS_CPP_BUILTINS macro.
1531
130869aa
PB		 15322005-08-24 Paolo Bonzini <bonzini@gnu.org>
1533
1534 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1535 yesterday.
1536
b9a66240
ZD		 15372005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1538
1539 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1540 to duplicate_block.
1541 * cfghooks.c (duplicate_block): Added position where to place
1542 new block as argument.
1543 * cfghooks.h (duplicate_block): Declaration changed.
1544 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1545 duplicate_block.
1546 * cfglayout.h (copy_bbs): Declaration changed.
1547 * cfgloop.h (loop_version): Declaration changed.
1548 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1549 position to copy_bbs.
1550 (loop_version): Pass position to duplicate_loop_to_header_edge.
1551 Add place_after argument and position new blocks according to
1552 it.
1553 * modulo-sched.c (sms_schedule): Pass place_after argument
1554 to loop_version.
1555 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1556 * tree-cfg.c (split_edge_bb_loc): New function.
1557 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1558 to determine position of new blocks.
1559 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1560 to loop_version.
1561 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1562 argument to duplicate_block.
1563 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1564 Pass position to copy_bbs.
1565
87de2376
ZD		 15662005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1567
1568 * fold-const.c (ptr_difference_const): Use
1569 cst_and_fits_in_hwi instead of host_integerp.
1570
14a07c92
PB		 15712005-08-24 Paolo Bonzini <bonzini@gnu.org>
1572
1573 * config/darwin.c (gen_pic_offset): New.
1574 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1575 Use it.
1576
d49195a3
ZD		 15772005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1578
1579 PR tree-optimization/23486
1580 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1581
2eab15c9
PE		 15822005-08-23 Phil Edwards <phil@codesourcery.com>
1583
1584 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1585 remove use_collect2.
1586 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1587
1588 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1589 configuration files to override the default value.
1590
1591 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1592 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1593 * config/vx-common.h: New file, split out from...
1594 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1595 * config/vxworksae.h: New file, for VxWorks AE.
1596 * config/vxworks.opt: New file.
1597 * config/vxlib.c: Update for VxWorks 6.
1598
1599 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1600 other MULTILIB_* variables appropriately.
1601 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1602 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1603 * config/rs6000/vxworks.h: Update for VxWorks 6.
1604 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1605
2501b167
AP		 16062005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1607
1608 PR target/20799
1609 * config/darwin.c (machopic_select_section): Remove the hack to
1610 mark "::operator new" and "::operator delete" for coalescing
1611 even though they are not weak.
1612
d82bf747
AM		 16132005-08-24 Alan Modra <amodra@bigpond.net.au>
1614
1615 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1616 * configure: Regenerate.
1617
4d3c798d
PB		 16182005-08-23 Paolo Bonzini <bonzini@gnu.org>
1619
1620 PR middle-end/23517
1621 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1622 between vectors.
1623 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1624 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1625 Likewise.
1626
28d0e143
PB		 16272005-08-23 Paolo Bonzini <bonzini@gnu.org>
1628
1629 * config/rs6000/predicates.md (equality_operator): New.
1630 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1631 comparison with a large constant.
1632
6194fd98
MM		 16332005-08-23 Mark Mitchell <mark@codesourcery.com>
1634
1635 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1636
39d67d5b
R		 16372005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1638
a11c004b
R		 1639 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1640 registers is even, and we have a hardware double precision fp,
1641 align the buffer.
1642 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1643 size of current argument when checking if argument was passed in
1644 registers.
1645
1646 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1647
39d67d5b
R		 1648 PR middle-end/23467
1649 * stor-layout.c (finalize_type_size): Dont override
1650 existing alignment with a smaller alignment from the mode.
1651
37b8a73b
SP		 16522005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1653
1654 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1655 * lambda.h (lambda_vector_lexico_pos): ... here.
1656 * tree-data-ref.c (build_classic_dist_vector): Return false when
1657 the distance vector is lexicographically negative.
1658
ce8f9416
SP		 16592005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1660
1661 PR tree-optimization/23511
1662 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1663 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1664
73ed17ff
JJ		 16652005-08-23 Jakub Jelinek <jakub@redhat.com>
1666
1667 PR tree-optimization/22043
1668 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1669 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1670 If ALLOW_FLEXARR, handle types ending with flexible array member.
1671 Pass false as second argument to recursive count_type_elements calls.
1672 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1673 argument to count_type_elements call.
1674 * tree-sra.c (decide_block_copy): Likewise.
1675 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1676 for a constant-sized object, set cleared as well. Pass true as
1677 second argument to count_type_elements call.
1678
18b10a72
AM		 16792005-08-23 Alan Modra <amodra@bigpond.net.au>
1680
1681 PR target/21571
1682 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1683 from legitimate_small_data_p, and make global. Update use.
1684 Remove forward declaration.
1685 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1686 Declare.
1687 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1688
d0515b39
DE		 16892005-08-23 David Edelsohn <edelsohn@gnu.org>
1690
1691 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1692 of scratch intermediates.
1693 (eq<mode>_compare): Same.
1694 (neg_eq0<mode>): New.
1695 (neg_eq<mode>): Convert to define_insn_and_split.
1696
c1fa753e
AM		 16972005-08-23 Alan Modra <amodra@bigpond.net.au>
1698
1699 PR target/23070
1700 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1701 stdarg functions, set/clear the fp marker even when no variable
1702 args are passed.
1703 * config/rs6000/sysv4.opt (mprototype): Describe.
1704
27004606
JJ		 17052005-08-22 Jakub Jelinek <jakub@redhat.com>
1706
1707 PR rtl-optimization/23478
1708 * regs.h (reg_info): Add throw_calls_crossed.
1709 (REG_N_THROWING_CALLS_CROSSED): Define.
1710 * flow.c (allocate_reg_life_data): Initialize
1711 REG_N_THROWING_CALLS_CROSSED.
1712 (propagate_one_insn, attempt_auto_inc): Update
1713 REG_N_THROWING_CALLS_CROSSED.
1714 * global.c (global_alloc): Don't allocate pseudos across
1715 calls that may throw.
1716
201ae393
AP		 17172005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1718
1719 PR c/18715
1720 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1721 value is inbetween the range if we did not find an exact match.
1722
c85ba4fb
AH		 17232005-08-22 Aldy Hernandez <aldyh@redhat.com>
1724
1725 * doc/invoke.texi (Option Summary): Add ms1 options.
1726 * doc/extend.texi: Document interrupt handler attribute for ms1.
1727 * doc/md.texi: Document ms1 constraints.
1728 * config.gcc: Add ms1-*-elf.
1729 * config/ms1/ms1.h: New.
1730 * config/ms1/ms1.c: New.
1731 * config/ms1/ms1.md: New.
1732 * config/ms1/ms1-protos.h: New.
1733 * config/ms1/ABI.txt: New.
1734 * config/ms1/crti.asm: New.
1735 * config/ms1/crtn.asm: New.
1736 * config/ms1/lib2extra-funcs.c: New.
1737 * config/ms1/t-ms1: New.
1738 * config/ms1/ms1.opt: New.
1739
70a39602
IR		 17402005-08-22 Ira Rosen <irar@il.ibm.com>
1741
1742 * config/rs6000/altivec.md (xorv4sf3): New.
1743 (negv4sf2, neg<mode>2): Likewise.
1744
85199961
L		 17452005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1746
1747 PR target/23485
1748 * config/ia64/ia64.md (divsi3): Check divide by zero.
1749 (udivsi3): Likewise.
1750 (divdi3): Likewise.
1751 (udivdi3): Likewise.
1752
1125164c
JJ		 17532005-08-21 Jakub Jelinek <jakub@redhat.com>
1754
1755 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1756 up to elem_bitsize bits, not max_bitsize.
1757
3c0c8f9d
SP		 17582005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1759
1760 PR tree-optimization/23433
85199961
L		 1761 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1762 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3c0c8f9d 1763
a1596edc
SP		 17642005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1765
1766 PR tree-optimization/23434
85199961
L		 1767 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1768 the iteration bound is not an INTEGER_CST.
a1596edc 1769
429268fc
DN		 17702005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1771
1772 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1773 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1774 NULL if need_epilog_adjust is false.
1775 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1776 Case 3 always peels first itration, not just for PLUS case, and no need
1777 to use scalar_initial_def here. Create an epilog adjustment only if
1778 scalar_initial_def is not NULL.
1779
1780 (vectorizable_reduction): Remove assert.
1781
eea1d14a
L		 17822005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1783
1784 PR target/23485
1785 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1786 (__moddi3): Likewise.
1787 (__udivdi3): Likewise.
1788 (__umoddi3): Likewise.
1789 (__divsi3): Likewise.
1790 (__modsi3): Likewise.
1791 (__udivsi3): Likewise.
1792 (__umodsi3): Likewise.
1793
5e34206b
JJ		 17942005-08-20 Jakub Jelinek <jakub@redhat.com>
1795
1796 * tree-pass.h (TDF_GRAPH): Define.
1797 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1798 * passes.c (finish_optimization_passes): Only call
1799 finish_graph_dump_file if TDF_GRAPH is set.
1800 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1801 NULL. Set TDF_GRAPH bit.
1802 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1803
2591db65
RE		 18042005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1805
1806 * arm.h (arm_stack_offsets): Add locals_base field.
1807 * arm.c (arm_get_frame_offsets): Compute it.
1808 (thumb_compute_initial_elimination offset): Make the Thumb frame
1809 pointer point to the base of the local variables.
1810 (thumb_expand_prologue): Update accordingly.
1811 (thumb_expand_epilogue): Likewise.
1812
1813 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1814 mode of clobbered scratch to DImode. Handle a case that's known to
1815 need this.
1816
fc437ce9
DE		 18172005-08-19 David Edelsohn <edelsohn@gnu.org>
1818
1819 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1820 (gt0<mode>_compare): Delete.
1821 (neg_gt0<mode>): Delete.
1822
c414ac1d
EC		 18232005-08-19 Eric Christopher <echristo@apple.com>
1824
1825 * optabs.h: Change CTI_ to COI_.
1826 * optabs.c: Ditto.
1827
c8f27794
JW		 18282005-08-19 James E Wilson <wilson@specifix.com>
1829
1830 * builtins.c (expand_builtin_return_addr): Set
1831 current_function_accesses_prior_frames when count != 0. Use
1832 frame_pointer_rtx when count == 0.
1833 * function.h (struct function): Add accesses_prior_frames field.
1834 (current_function_accesses_prior_frames): Define.
1835 * reload1.c (init_elim_table): Check
1836 current_function_accesses_prior_frames.
1837 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1838
e3594cb3
DN		 18392005-08-19 Diego Novillo <dnovillo@redhat.com>
1840
1841 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1842 indicator. Return true if the flowgraph changed during
1843 cleanup.
1844
52270a3c
DN		 18452005-08-19 Diego Novillo <dnovillo@redhat.com>
1846
1847 PR 23476
1848 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1849 conditional expression before testing its value.
1850
5c1c631e
DN		 18512005-08-19 Diego Novillo <dnovillo@redhat.com>
1852
1853 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1854
3d91803a
DP		 18552005-08-19 Devang Patel <dpatel@apple.com>
1856
1857 PR tree-optimization/23048
1858 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1859 third parameter. Check whether latch is dominated by exit
1860 block or not.
1861 (if_convertible_loop_p): Supply exit block itself to
1862 if_convertible_bb_p.
c414ac1d 1863
e55ef7f4
RE		 18642005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1865
1866 PR target/23473
1867 * arm.md (arm_load_pic_register): Change argument to the mask of
c414ac1d 1868 saved registers. Call thumb_find_work_register if we need a
e55ef7f4 1869 scratch register on Thumb.
c414ac1d 1870 (arm_expand_prologue): Pass empty register set to
e55ef7f4
RE		 1871 arm_load_pic_register.
1872 (thumb_expand_prologue): Pass live_regs_mask directly to
1873 arm_load_pic_register.
1874 * arm-protos.h (arm_load_pic_register): Update prototype.
1875
d102596b
JR		 18762005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1877
1878 * sh.c (find_sole_member): New function.
1879 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1880 if the record's alignment is larger than the size of its only member.
1881
a132dad6
RE		 18822005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1883
1884 PR target/23436
1885 * arm.c (thumb_legitimize_reload_address): New function.
1886 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1887 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1888
4221d00a
PW		 18892005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1890
1891 * config/crx/crx.c: Implement crx_decompose_address. Reject
1892 symbolic displacements since CRX register relative adressing
1893 mode can't handle unsigned 32-bit values as displacements.
1894 * config/crx/crx.h: Simplify definitions, remove redundant
1895 parenthesis and obsolete macros.
1896 * config/crx/crx.opt: Add new switch for debugging addresses.
1897 * config/crx/crx-protos.h: Add new declarations for above.
1898
1581a9a1
AP		 18992005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1900
1901 PR middle-end/20624
1902 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1903 looking past it.
1904
52a6edcc
KG		 19052005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1906
1907 * collect2.c (dup2): Delete.
1908 * configure.ac: Don't check for dup2.
1909
1910 * config.in, configure: Regenerate.
1911
8a2209bf
R		 19122005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1913
1914 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1915 record with the type of its only member.
1916
1e24ce83
DE		 19172005-08-18 David Edelsohn <edelsohn@gnu.org>
1918
1919 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1920 define_insn_and_split.
1921 (plus_ltu<mode>_compare): Same.
1922 (gtu<mode>_compare): Same.
1923 (plus_gtu<mode>_compare): Same.
1924
90ff949f
DN		 19252005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1926
1927 PR tree-optimization/22228
1e24ce83
DE		 1928 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1929 todo_flags_start.
90ff949f
DN		 1930 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1931 are recorded in vect_vnames_to_rename for renaming.
1932 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1933 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1934 in vect_vnames_to_rename.
1935 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1936 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1937
f17db6cd
JH		 19382005-08-18 Jan Hubicka <jh@suse.cz>
1939
1940 PR c++/22034
1941 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1942 info only for local statics, not for member variables.
1943
4286d8ce
VR		 19442005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1945
1946 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1947
b06df647
VR		 19482005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1949
1950 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1951
75634129
AP		 19522005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1953
1954 PR middle-end/16045
1955 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1956
9bc2a5cb
JW		 19572005-08-17 James E Wilson <wilson@specifix.com>
1958
1959 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1960 array size check.
1961
a2dba291
DE		 19622005-08-17 David Edelsohn <edelsohn@gnu.org>
1963
1964 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1965 (leu<mode>_compare): Same.
1966 (plus_leu<mode>): Same.
1967 (neg_leu<mode>): Same.
1968 (and_neg_leu<mode): Same.
1969 (ltu<mode>_compare): Same.
1970 (plus_ltu<mode>): Same.
1971 (geu<mode>): Same.
1972 (geu<mode>_compare): Same.
1973 (plus_geu<mode>): Same.
1974 (neg_geu<mode>): Same.
1975 (and_neg_geu<mode>): Same.
1976 (plus_gt<mode>): Same.
1977 (gtu<mode>_compare): Same.
1978 (plus_gtu<mode>): Same.
1979
aa29dfeb 19802005-08-17 Erik Christiansen <erik@dd.nec.com.au>
c414ac1d 1981
aa29dfeb
EC		 1982 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1983 Move call_table_data to end. Delete spurious .text.
1984 (callt_save_all_interrupt): Fix comment typo.
1985
90e0c734
JW		 19862005-08-17 James E Wilson <wilson@specifix.com>
1987 Kevin Winchester <winchester@amirix.com>
1988
1989 PR target/21684
1990 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1991
87bb8864
UB		 19922005-08-17 Uros Bizjak <uros@kss-loka.si>
1993
1994 PR target/23268
1995 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1996 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1997
dd0ae678
R		 19982005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1999
8a2209bf
R		 2000 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2001 record with the type of its only member if the modes don't match.
2002
a2dba291 2003 * varasm.c (decode_reg_name): Skip empty additional register names.
dd0ae678 2004
d28cbb07
ZD		 20052005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2006
2007 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2008 lsm_tmp_name_length): New.
2009 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2010 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2011
39bd07e8
UW		 20122005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2013 Andreas Krebbel <krebbel1@de.ibm.com>
2014
2015 * config.gcc: Added z9-109 switch.
2016 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2017 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
c414ac1d
EC		 2018 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2019 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
39bd07e8
UW		 2020 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2021 for "z9_109" cpu attribute.
2022 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2023 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2024 (s390_handle_arch_option): Added z9-109 switch.
2025 (override_options): Set respective cost function for z9-109.
2026 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2027 (legitimate_reload_constant_p): Accept extended immediates.
2028 (print_operand): Three new output modifiers added: k, m and o.
2029 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2030 (s390_output_mi_thunk): Use extended immediate when possible.
2031 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2032 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2033 (CONSTRAINT_LEN): Added length of O constraint.
2034 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2035 * config/s390/s390.md ("cpu"): New value z9_109 added.
c414ac1d 2036 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
39bd07e8
UW		 2037 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2038 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2039 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2040 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2041 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2042 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2043 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2044 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2045 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2046 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2047 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2048 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2049 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
c414ac1d 2050 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
39bd07e8
UW		 2051 immediates.
2052 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2053 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2054 insns for TARGET_EXTIMM.
2055
33d2e547
AK		 20562005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2057
2058 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2059
e5eb9a52
NC		 20602005-08-17 Nick Clifton <nickc@redhat.com>
2061
2062 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2063 Call default_encode_section_info.
2064
a318e3ac
SB		 20652005-08-17 Steven Bosscher <stevenb@suse.de>
2066
2067 PR tree-optimization/21574
2068 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2069 constant, return CONSTANT.
2070 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2071 (ccp_fold, visit_assignment): Likewise.
2072 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2073
00d1b1d6
JM		 20742005-08-16 James A. Morrison <phython@gcc.gnu.org>
2075
2076 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2077 fold_buildN instead of buildN then fold_initializer or fold.
2078 (build_unary_op): Likewise.
2079 (build_binary_op): Likewise.
2080 * fold-const.c (fold_initializer): Remove.
2081 (fold_build1_initializer): New function.
2082 (fold_build2_initializer): New function.
2083 (fold_build3_initializer): New function.
2084 * tree.h (fold_initializer): Remove.
2085 (fold_build1_initializer): New function.
2086 (fold_build2_initializer): New function.
2087 (fold_build3_initializer): New function.
2088
f457cf40
JM		 20892005-08-16 James A. Morrison <phython@gcc.gnu.org>
2090
2091 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2092 (try_move_mult_to_index): Call fold_build2 instead of build2.
2093 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2094 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2095 fold_binary_to_constant.
2096 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2097 fold (build.
2098 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2099 check if A == gcd (A, B). Remove TYPE argument.
2100 (analyze_offset) Use fold_build2 instead of fold (build.
2101 (create_data_ref): Likewise.
2102 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2103 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2104 then fold.
2105
4c617d12
KC		 21062005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2107
2108 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2109 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2110
d06526b7
AP		 21112005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2112
2113 PR tree-opt/23402
2114 * gimplify.c (zero_sized_type): New function.
2115 (gimplify_modify_expr_rhs): If we have a zero sized type,
2116 replace the statement with an empty statement.
2117
e9e68ae3
L		 21182005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2119
2120 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2121 fxsave.
2122
e374d5c9
ILT		 21232005-08-16 Ian Lance Taylor <ian@airs.com>
2124
2125 * doc/tm.texi (Label Output): Correct typo.
2126
f2dd440f
SB		 21272005-08-16 Steven Bosscher <stevenb@suse.de>
2128
2129 PR target/23376
2130 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2131 force_operand will work later on using have_insn_for.
2132
196f5a8d
VR		 21332005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2134
2135 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2136
cf0efa6a
ILT		 21372005-08-16 Ian Lance Taylor <ian@airs.com>
2138
2139 PR c++/23337
2140 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2141 vector type, don't try to construct it element by element. Add an
2142 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2143
3a69437a
VR		 21442005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2145
2146 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2147
17ccdd2c
GK		 21482005-08-16 Geoffrey Keating <geoffk@apple.com>
2149
2150 * doc/invoke.texi (Precompiled Headers): Document some more options
2151 which are known to be safe.
2152
355a9e43
JW		 21532005-08-16 James E Wilson <wilson@specifix.com>
2154
2155 PR tree-optimization/21105
2156 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2157 TREE_OVERFLOW check.
2158
ce45ef46
DE		 21592005-08-16 David Edelsohn <edelsohn@gnu.org>
2160
2161 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2162 (neg_ltu<mode>): Same.
2163 (gtu<mode>): Same.
2164 (neg_gtu<mode>): Same.
2165
543e2cc3
VR		 21662005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2167
2168 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2169 (fold_builtin_isdigit): Use fold_buildN.
2170 (build_function_call_expr): Likewise.
2171 * c-typeck.c (c_finish_loop): Likewise.
2172
28f52a4d 21732005-08-16 J"orn Rennecke <joern.rennecke@st.com>
85199961 2174 Richard Shann <rshann@superh.com>
28f52a4d
R		 2175
2176 PR middle-end/20396:
2177 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2178
546ad2d9
SP		 21792005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2180
2181 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2182
39c39be0
RE		 21832005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2184
2185 PR target/23355
c414ac1d 2186 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
39c39be0
RE		 2187 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2188 must be saved.
2189
f60c951c
JDA		 21902005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2191
2192 PR middle-end/23369
2193 * fold-const.c (build_range_check): Disable optimization for function
2194 pointer expressions on targets that require function pointer
2195 canonicalization.
2196
5b5dc475
UW		 21972005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2198
2199 * simplify-rtx.c (simplify_const_relational_operation): When
2200 extracting arguments of a COMPARE, recompute the mode as well.
2201
1595ec20
ILT		 22022005-08-15 Ian Lance Taylor <ian@airs.com>
2203
2204 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2205
eb5f0c07
DD		 22062005-08-15 DJ Delorie <dj@redhat.com>
2207
2208 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2209 the stack.
2210 (movsi_splittable): Allow, but split, moves to the stack.
2211 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2212 stack.
2213
06145cb9
KG		 22142005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215
2216 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2217 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2218 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
c414ac1d 2219
06145cb9
KG		 2220 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2221 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2222 Delete HOST_PTR_PRINTF.
2223
2224 * configure, config.in: Regenerate.
2225
b5568f07
DE		 22262005-08-15 David Edelsohn <edelsohn@gnu.org>
2227
2228 * config/rs6000/rs6000.md (QHSI): New mode macro.
2229 (wd): Extend mode attr for QImode and HImode
2230 (dbits): New mode attr.
2231 (zero_extend<mode>di2): Convert to mode macro.
2232
a73035ae
SE		 22332005-08-15 Steve Ellcey <sje@cup.hp.com>
2234
2235 PR target/21841
2236 * doc/invoke.texi (-mgnu-ld): Update description.
2237 (-mhp-ld): Ditto.
2238
7e0923cd
SP		 22392005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2240
2241 PR 23391
2242 * Makefile.in (tree-chrec.o): Depends on real.h.
2243 * tree-chrec.c: Include real.h.
2244 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2245 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2246 * tree-scalar-evolution.c (add_to_evolution_1,
2247 interpret_rhs_modify_expr): Ditto.
2248
852c19aa
SP		 22492005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2250
2251 PR 23386
2252 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2253 step is negative compute the estimation from init downwards to zero.
c414ac1d 2254
b23dce24
JM		 22552005-08-14 James A. Morrison <phython@gcc.gnu.org>
2256
2257 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2258
11598938
UW		 22592005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2260
2261 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2262 constraint.
2263 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2264 Accept double-word constants that can be split.
2265 * config/s390/s390.md ("movti"): Use 'P' constraint.
2266 ("*movdi_31", "*movdf_31"): Likewise.
2267
8971094d
DB		 22682005-08-14 Daniel Berlin <dberlin@dberlin.org>
2269
2270 Fix PR tree-optimization/22615
c414ac1d 2271
8971094d 2272 * tree-ssa-structalias.c (solution_set_add): Handle
c414ac1d 2273 first_vi_for_offset returning NULL.
8971094d
DB		 2274 (do_da_constraint): Ditto.
2275 (do_sd_constraint): Ditto.
2276 (do_ds_constraint): Ditto
2277 (find_func_aliases): Ditto.
2278 (build_constraint_graph): RHS is allowed be ANYTHING.
2279 (first_vi_for_offset): Return NULL if we couldn't find anything at
2280 the offset.
c414ac1d 2281
c5b2a111
UW		 22822005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2283
2284 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2285 over memory as first operand.
2286
adb7b764
L		 22872005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2288
2289 PR target/23360
2290 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2291 available for setting it.
2292
1f400bbb
IR		 22932005-08-14 Ira Rosen <irar@il.ibm.com>
2294
2295 PR tree-optimization/23320
c414ac1d
EC		 2296 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2297 data-refs' types instead of base object nullness. Add check for
2298 pointer type data-refs before first location comparison. Remove
1f400bbb
IR		 2299 assert.
2300
db875b15
AS		 23012005-08-14 Andreas Schwab <schwab@suse.de>
2302
2303 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2304
0aca9021
JW		 23052005-08-13 James E Wilson <wilson@specifix.com>
2306
2307 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2308 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2309 -fstack-protector-all, --param ssp-buffer-size): Document.
2310 (-Wvariadic-macros): Alphabetize.
2311 (-fsched-stalled-insns-dep): Add missing 'f'.
2312
0ffb94cd
JW		 2313 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2314 macros.
2315
3256a76e
DE		 23162005-08-13 David Edelsohn <edelsohn@gnu.org>
2317
2318 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2319 or indirect address operand.
2320 (EXTRA_ADDRESS_CONSTRAINT): New.
2321 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2322
d7770457
SP		 23232005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2324
2325 PR tree-optimization/22236
2326 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2327 successors and predecessors.
2328 * tree-chrec.c (chrec_convert): Before converting, check that
2329 sequences don't wrap.
2330 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2331 (analyze_array): Extern.
2332 (find_data_references_in_loop): Remove call to
2333 compute_estimated_nb_iterations.
2334 * tree-data-ref.h (analyze_array): Declared.
2335 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2336 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2337 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
c414ac1d 2338 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
d7770457
SP		 2339 condition.
2340 * tree-ssa-loop-ivcanon.c: Fix documentation.
2341 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2342 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2343 (infer_loop_bounds_from_undefined): New.
2344 (estimate_numbers_of_iterations_loop): Use
2345 infer_loop_bounds_from_undefined.
2346 (used_in_pointer_arithmetic_p): New.
2347 (scev_probably_wraps_p): Pass an extra parameter. Call
2348 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2349 (convert_step): Fix documentation.
2350 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2351 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2352 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2353 scev_probably_wraps_p.
2354
e2df5c1d
UW		 23552005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2356
2357 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2358 (s390_register_info): Ignore clobbered_regs information for fixed
2359 registers, and only fixed registers.
2360 (s390_init_frame_layout): Remove redundant call.
2361
7cd5c075
GP		 23622005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2363
c414ac1d 2364 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7cd5c075
GP		 2365 description of -Wold-style-casts.
2366
7b8acc34
AK		 23672005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2368 Jakub Jelinek <jakub@redhat.com>
2369
2370 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2371 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2372 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2373 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2374 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2375 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2376 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2377 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2378 ("stack_protect_set", "stack_protect_test"): New expanders.
2379 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2380 "stack_protect_testdi"): New insn definitions.
2381
4700982d
AK		 23822005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2383
2384 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2385
3c60bed5
PB		 23862005-08-12 Paul Brook <paul@codesourcery.com>
2387
2388 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2389
f83a336d
AK		 23902005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2391
2392 * config/s390/predicates.md (setmem_operand): New predicate.
2393 (shift_count_operand): Accept ANDs with special constants as
2394 operand.
2395 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2396 with special constants.
2397 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2398 shift_count_operand with setmem_operand.
2399
c4d50129
AK		 24002005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2401
2402 * config/s390/s390.c (s390_extract_part, s390_single_part):
2403 Type cast added.
2404 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2405 (s390_output_mi_thunk): Don't use lg on 31 bit.
2406 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2407 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2408
b5c67a49
AK		 24092005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2410
2411 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2412 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2413 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2414 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2415 with one of the new macros.
2416
dc4477f5
AK		 24172005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2418
c414ac1d 2419 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
dc4477f5
AK		 2420 Don't set save_return_addr_p.
2421 (s390_register_info): Make clobbered_regs not depending on
2422 save_return_addr_p.
2423
ec92bd4b
KK		 24242005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2425
2426 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2427 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2428
8c2efff7
JW		 24292005-08-11 James E. Wilson <wilson@specifix.com>
2430
2431 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2432
ea93971a
JJ		 24332005-08-11 Jakub Jelinek <jakub@redhat.com>
2434
86bd8ebf
JJ		 2435 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2436 locations gathered by var-tracking in single entry loc_list
2437 over loc_descriptor_from_tree.
2438
ea93971a
JJ		 2439 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2440 pass it down to loc_descriptor.
2441 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2442 (containing_function_has_frame_base): Move earlier in the file.
2443 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2444 instead of always assuming fbreg can't be used.
2445
dec1f3aa
DE		 24462005-08-11 David Edelsohn <edelsohn@gnu.org>
2447
2448 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2449 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2450 Accept address wrapped in AND for Altivec.
2451 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2452 Strip AND wrapping offset address for Altivec.
2453
7fd6694b
RH		 24542005-08-11 Richard Henderson <rth@redhat.com>
2455
2456 PR middle-end/23312
2457 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2458 before using TYPE_IS_SIZETYPE.
2459
4ead2a39
RH		 24602005-08-11 Richard Henderson <rth@redhat.com>
2461
2462 PR target/22225
2463 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2464 insn types not present on ev4.
2465 (alphaev5_insn_pipe): Similarly.
2466
da8ce8be
RE		 24672005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2468
2469 PR target/23250
2470 * arm.c (arm_override_options): If the user has selected callee-super-
2471 interworking, then enable normal interworking.
2472
eb2b0cc0
RO		 24732005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2474
2475 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2476 redefinition.
2477
b630e240
WZ		 24782005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2479
2480 * doc/rtl.texi: Fix two typos.
2481
cac32996
RG		 24822005-08-11 Richard Guenther <rguenther@suse.de>
2483
2484 PR target/23289
2485 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2486 cases where we call to/from functions returning void.
2487
a4faac50
JM		 24882005-08-10 James A. Morrison <phython@gcc.gnu.org>
2489
2490 PR c++/23225
2491 * tree.c (build_pointer_type_for_mode): Robustify.
2492
907f033f
JW		 24932005-08-10 James E Wilson <wilson@specifix.com>
2494
2495 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2496 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2497
2498 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2499 "cum->".
2500
bb8df8a6
EC		 25012005-08-10 Eric Christopher <echristo@apple.com>
2502
2503 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2504 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2505 V2DFmode.
2506
4f8dbd34
AP		 25072005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2508
ce31ea84 2509 PR target/21887
4f8dbd34
AP		 2510 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2511 for the high part when generating dynamic-no-pic code.
2512
d75e02d6
L		 25132005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2514
2515 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2516 (x86_64-*-linux*): Likewise.
2517
2518 * config/i386/crtfastmath.c: New file.
2519 * config/i386/t-crtfm: Likewise.
2520
2521 * config/i386/linux.h (ENDFILE_SPEC): New.
2522 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2523
2524 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2525 crtfastmath.o.
2526
61abee65
DN		 25272005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2528
2529 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2530 (vec_shl, vec_shr): Document new operations.
2531 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2532
11aac14f
DE		 25332005-08-10 David Edelsohn <edelsohn@gnu.org>
2534
2535 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2536 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2537 change predicate to indexed_or_indirect_address.
2538
9bd05108
RS		 25392005-08-10 Richard Sandiford <richard@codesourcery.com>
2540
2541 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2542 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2543 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2544 and __aeabi_uwrite8.
2545 * config/arm/unaligned-funcs.c: New file.
2546 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2547
defb77dc
PB		 25482005-08-09 Paolo Bonzini <bonzini@gnu.org>
2549
2550 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2551 Add dump.
2552 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2553 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2554 Add dump.
2555 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2556 * final.c (pass_shorten_branches): Add dump.
2557 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2558 (pass_life): Rename dump.
2559 (rest_of_handle_flow2): Remove initial verify_flow_info.
2560 * function.c (pass_instantiate_virtual_regs): Add dump.
2561 * integrate.c (pass_initial_value_sets): Add dump.
2562 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2563 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2564 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2565 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2566 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2567 gate_rtl_unrool_and_peel_loops): New.
2568 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2569 rtl_doloop): Do not look at flags.
2570 * mode-switching.c (pass_mode_switching): Add dump.
2571 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2572 pass_split_before_regstack): Add dump.
2573 * regmove.c (pass_stack_adjustments): Add dump.
2574 * tree-optimize.c (pass_fixup_cfg): Add dump.
2575
2a6a63c1
KI		 25762005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2577
2578 PR 23309
2579 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2580 deciding which instruction sequence to use.
2581
0ed414a4
DN		 25822005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2583
bb8df8a6 2584 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
0ed414a4
DN		 2585 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2586
9bc15050
RG		 25872005-08-09 Richard Guenther <rguenther@suse.de>
2588
2589 * c-common.c (builtin_function_2): Remove.
2590 (def_builtin_1): New function.
2591 (c_common_nodes_and_builtins): Use def_builtin_1 to
2592 build builtin functions.
2593
07da68fd
JZ		 25942005-08-09 Jie Zhang <jie.zhang@analog.com>
2595
2596 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2597 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2598 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2599 Visual DSP.
2600
2f133f46
JM		 26012005-08-09 James A. Morrison <phython@gcc.gnu.org>
2602
2603 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2604 fold_binary instead of fold_build2 since we don't care about the
2605 resulting tree.
2606 (loop_niter_by_eval): Likewise.
2607 (compare_trees): Likewise.
2608 (proved_non_wrapping_p): Likewise.
2609
f14e694e
JM		 26102005-08-09 James A. Morrison <phython@gcc.gnu.org>
2611
2612 PR c/23161
2613 PR c/23165
2614 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2615 if the if is really empty.
2616
2ef571e2
SB		 26172005-08-09 Steven Bosscher <stevenb@suse.de>
2618
2619 PR tree-optimization/23234
2620 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2621 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2622 argument of the new enum.
2623 (execute_cse_reciprocals): Add reciprocals for function arguments
2624 on the unique successor edge of the entry block. Update other calls
2625 to execute_cse_reciprocals_1.
2626
a9c5ddf9
RH		 26272005-08-08 Richard Henderson <rth@redhat.com>
2628
2629 PR 22439
2630 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2631
22469409
BW		 26322005-08-08 Bob Wilson <bob.wilson@acm.org>
2633
2634 * expr.c (write_complex_part): Return after handling MEM.
2635
2d88fcc2
JC		 26362005-08-08 Josh Conner <jconner@apple.com>
2637
2638 PR rtl-optimization/23241
2639 * combine.c (simplify_comparison): Fix error in determining
2640 whether to lift a subreg from comparison.
2641
7a4eca66
DE		 26422005-08-08 David Edelsohn <edelsohn@gnu.org>
2643
2644 PR target/18506
2645 * config/rs6000/altivec.md (vec_init<mode>): New.
2646 (vec_set<mode>): New.
2647 (vec_extract<mode>): New.
2648 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2649 (rs6000_expand_vector_set): New.
2650 (rs6000_expand_vector_extract): New.
2651 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2652 for Altivec modes before reload.
2653 (altivec_expand_vec_init_builtin): New.
2654 (get_element_number): New.
2655 (altivec_expand_vec_set_builtin): New.
2656 (altivec_expand_vec_ext_builtin): New.
2657 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2658 builtins.
2659 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2660 builtins.
2661 * config/rs6000/rs6000.h (rs6000_builtins): Add
2662 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2663 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2664 * config/rs6000/rs6000-protos.h: Declare new functions.
2665
47efdea4
JH		 26662005-08-08 Jan Hubicka <jh@suse.cz>
2667
2668 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2669 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2670 * i386.md (movdi*): Use pic_32bit_operand.
2671 * predicates.md (pic_32bit_operand): New.
2672
f303a996
NS		 26732005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2674
2675 PR c++/21166
2676 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2677
a5ad7269
JM		 26782005-08-07 James A. Morrison <phython@gcc.gnu.org>
2679
2680 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2681 (test_for_singularity): Use fold_build2.
2682
914a6ee8
JDA		 26832005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2684
2685 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2686
f18faab7
DS		 26872005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2688
2689 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2690 (COMMON_ASM_OP) Define.
2691 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2692 (ix86_encode_section_info): Likewise.
2693 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2694 SUBTARGET_ENCODE_SECTION_INFO.
2695
455c08cb
RH		 26962005-08-06 Richard Henderson <rth@redhat.com>
2697
2698 PR 21894
2699 * tree-nested.c (convert_local_reference): Save and restore val_only
2700 around component_ref and friends. Clear walk_subtrees by default.
2701
3300bf07
PG		 27022005-08-06 Peter O'Gorman <peter@pogma.com>
2703
2704 PR 21366
2705 * gcc.c (process_command): Check the argument to -b has a dash.
2706 * doc/invoke.texi: Update -b and -V docs.
2707
e2ba06d6
JW		 27082005-08-06 James E Wilson <wilson@specifix.com>
2709
2710 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2711
3e0a6ca6
MM		 27122005-08-06 Michael Matz <matz@suse.de>
2713
2714 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2715 member only if only one insn is associated with the value.
2716
2f806f3b
NC		 27172005-08-06 Nick Clifton <nickc@redhat.com>
2718
2719 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2720 New define.
3e0a6ca6 2721 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2f806f3b
NC		 2722 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2723 Check symbol flags instead of symbol name mangling.
3e0a6ca6 2724 (xstormy16_asm_output_aligned_common): Likewise. Also
2f806f3b
NC		 2725 simplify code since the bss100_section cass is the only case
2726 where the below100 code will be triggered.
3e0a6ca6 2727 (xstormy16_encode_section_info): Encode below100 attribute
2f806f3b
NC		 2728 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2729 the name.
3e0a6ca6 2730 (xstormy16_strip_name_encoding): Delete - this function is no
2f806f3b 2731 longer needed.
3e0a6ca6 2732 (TARGET_STRIP_NAME_ENCODING): Undefine.
2f806f3b
NC		 2733 * config/stormy16/stormy16-protos.h: Delete prototype for
2734 xstormy16_strip_name_encoding.
2735
a4d05547
KH		 27362005-08-06 Kazu Hirata <kazu@codesourcery.com>
2737
2738 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2739 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2740 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2741 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2742 config/alpha/predicates.md, config/arc/arc.h,
2743 config/arm/arm.h, config/arm/ieee754-df.S,
2744 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2745 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2746 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2747 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2748 config/m68hc11/m68hc11.h, config/mips/mips.c,
2749 config/mips/mips.h, config/mips/openbsd.h,
2750 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2751 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2752 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2753 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2754 config/sparc/linux.h, config/sparc/linux64.h,
2755 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2756 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2757 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2758 typos. Follow spelling conventions.
2759
591baeb0
JM		 27602005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2761
2762 PR c/23113
2763 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2764 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2765 specially. Check for side effects only for COND_EXPR.
2766 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2767 return with TREE_NO_WARNING.
2768
f7a064b5
RS		 27692005-08-06 Richard Sandiford <richard@codesourcery.com>
2770
2771 PR rtl-optimization/23233
2772 * loop.c (combine_movables): Require the modes to be the same.
2773 (move_movables): Remove handling of cases where the replacement
2774 had a different mode to the original.
2775
b17775ab
JM		 27762005-08-05 James A. Morrison <phython@gcc.gnu.org>
2777
2778 PR tree-optimization/23128
2779 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2780 subtraction wrap, and set TREE_OVERFLOW if they do.
2781
bb1ecfe8
RH		 27822005-08-05 Richard Henderson <rth@redhat.com>
2783
2784 PR 21728
2785 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2786 FORCED_LABEL labels.
2787
50aa8e71
R		 27882005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2789
2790 PR middle-end/23135
2791 * reload.c (find_reloads_subreg_address): Pass down TYPE
2792 unchanged. Change all callers except find_reloads_toplev.
2793
b01896cc
MM		 27942005-08-05 Michael Matz <matz@suse.de>
2795
2796 * genattrtab.c (current_alternative_string): Remove.
2797 (SIMPLIFY_ALTERNATIVE): Ditto.
2798 (attr_alt_bit_p): Ditto.
2799 (alternative_name): Make const char *.
2800 (evaluate_eq_attr): Remove use of above things.
2801 (simplify_test_exp): Ditto.
2802 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2803 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2804
3f94bdec
JW		 28052005-08-04 James E Wilson <wilson@specifix.com>
2806
2807 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2808 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2809 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2810 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2811 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2812
460f84ed
RH		 28132005-08-04 Richard Henderson <rth@redhat.com>
2814
2815 PR 21529
2816 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2817 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2818 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2819 if we'd have to instantiate too many members.
2820
5a910e43
RH		 28212005-08-04 Richard Henderson <rth@redhat.com>
2822
2823 PR 21291
2824 * tree-outof-ssa.c (coalesce_asm_operands): New.
2825 (coalesce_ssa_name): Use it. Split out ...
2826 (coalesce_phi_operands, coalesce_result_decls): ... these.
2827
27c37000
PB		 28282005-08-04 Paul Brook <paul@codesourcery.com>
2829
2830 * read-rtl.c (read_quoted_string): Break if EOF.
2831
5808968e
AP		 28322005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2833
2834 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2835 (fold_build2): Likewise.
2836 (fold_build3): Likewise.
2837 (fold_build1_stat): New function prototype.
2838 (fold_build2_stat): Likewise.
2839 (fold_build3_stat): Likewise.
2840 * fold-const.c (fold_build1): Rename to ..
2841 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2842 through to build1_stat.
2843 (fold_build2): Rename to ..
2844 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2845 through to build2_stat.
2846 (fold_build3): Rename to ..
2847 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2848 through to build3_stat.
2849
d70eadf7 28502005-08-04 David Edelsohn <edelsohn@gnu.org>
6d62ac14 2851 Ian Lance Taylor <ian@airs.com>
d70eadf7
DE		 2852
2853 * function.c (assign_stack_local_1): Do not correct stack slot
2854 address if allocation size is smaller than mode size.
2855
c4f548b8
DN		 28562005-08-04 Diego Novillo <dnovillo@redhat.com>
2857
2858 PR 22037
2859 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2860 (tree_merge_blocks): Propagate anything allowed by
2861 may_propagate_copy.
2862 Clarify documentation.
2863 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2864 SSA form, schedule an update if necessary.
2865
2b7c3273
GP		 28662005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2867
2868 * doc/install.texi (Binaries): Remove broken link to
2869 Sinix/Reliant Unix binaries.
2870
b755446c
RH		 28712005-08-03 Richard Henderson <rth@redhat.com>
2872
2873 PR 23221
2874 * function.c (stack_protect_epilogue): Export.
2875 * tree.h (stack_protect_epilogue): Declare.
2876 * calls.c (expand_call): Call it.
2877
7904f95f
EC		 28782005-08-03 Eric Christopher <echristo@apple.com>
2879
2880 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2881 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2882 spec.
2883
d783b2a2
JH		 28842005-08-04 Jan Hubicka <jh@suse.cz>
2885
2886 * profile.c (branch_prob): Split edges with goto locus on them
2887 to get proper line counts.
2888 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2889
53366450
PB		 28902005-08-03 Paul Brook <paul@codesourcery.com>
2891
2892 * function.c (assign_parms): Round current_function_args_size
2893 to PARM_BOUNDARY, not STACK_BOUNDARY.
2894
e81d37df
GK		 28952005-08-03 Geoffrey Keating <geoffk@apple.com>
2896
2897 * config/i386/i386.c (x86_elf_aligned_common)
2898 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2899
279072c8
ZD		 29002005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2901
2902 PR tree-optimization/23157
2903 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2904 before emitting them.
2905
9d2b0e12
VR		 29062005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2907
2908 PR tree-optimization/19899
2909 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2910 * tree-scalar-evolution.c: Include real.h.
2911 (add_to_evolution): Build constant -1 of correct type.
2912
178df94f
JH		 29132005-08-03 Jan Hubicka <jh@suse.cz>
2914
2915 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2916 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2917 profile updating for complette unrolling.
2918 * loop-unroll.c (peel_loop_completely): Use it.
2919 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2920 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2921 loops.
2922
4164b2fb
PB		 29232005-08-03 Paul Brook <paul@codesourcery.com>
2924
2925 * combine.c (can_change_dest_mode): New function.
2926 (try_combine, simplify_set): Use it.
2927
4e2b3c87
EB		 29282005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2929
2930 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2931 TFmode to BLKmode.
2932
1d7887ca
GP		 29332005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2934
2935 * doc/install.texi (Specific): Adjust link to openavr.org.
2936 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2937 (Binaries): Adjust HP-UX Porting Center link.
2938 (Binaries): Adjust Free Software Foundation ordering link.
1d7887ca 2939
c7f59e9c
AP		 29402005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2941
2942 * convert.c (convert_to_integer): Use fold_build1 instead of
2943 build1 when converting an integer to an integer.
2944
65030b76
RH		 29452005-08-02 Richard Henderson <rth@redhat.com>
2946
2947 * combine.c (combine_instructions): Don't use reg_equal/equiv
2948 results if the mode doesn't match.
2949
6d1ab63a
MM		 29502005-08-02 Mark Mitchell <mark@codesourcery.com>
2951
2952 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2953 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2954
6d90db3a
RH		 29552005-08-02 Richard Henderson <rth@redhat.com>
2956
2957 PR 23196
7904f95f 2958 * explow.c (memory_address): Remove special-case for
6d90db3a
RH		 2959 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2960
78234a86
DN		 29612005-08-02 Diego Novillo <dnovillo@redhat.com>
2962
2963 PR 23164
2964 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2965 number of calls to cleanup_tree_cfg_1.
2966
5a006700
MR		 29672005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2968
2969 * doc/invoke.texi: document file extensions .F90 and .F95
2970
237504fc
RG		 29712005-08-02 Richard Guenther <rguenther@suse.de>
2972
2973 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2974 positive if its first argument is positive.
2975
e63c84d8
RG		 29762005-08-02 Richard Guenther <rguenther@suse.de>
2977
2978 PR tree-optimization/23177
2979 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2980 on TMR_TAG.
2981
08303d5b
JM		 29822005-08-02 James A. Morrison <phython@gcc.gnu.org>
2983
2984 PR tree-optimization/23129
2985 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2986 varying for divisions with anti-ranges.
2987
5e5a504e
JH		 29882005-08-02 Jan Hubicka <jh@suse.cz>
2989
2990 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2991 * tree-ssa-threadupdate.c (thread_block): Add it here.
2992
4dbdb061
JW		 29932005-08-01 James E Wilson <wilson@specifix.com>
2994
2995 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2996 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2997 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2998 New.
2999 * config/mips/predicates.md (const_call_insn_operand): Add check for
3000 SYMBOL_REF_LONG_CALL_P.
3001 * doc/extend.texi (long_call): Document the new attribute.
3002
9e254451
ILT		 30032005-08-01 Ian Lance Taylor <ian@airs.com>
3004 Richard Henderson <rth@redhat.com>
3005
3006 * Makefile.in (RTL_BASE_H): Add real.h.
3007 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3008 instead of memcpy.
3009 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3010 directly.
3011 * rtl.c (rtl_check_failed_code_mode): New.
3012 * rtl.h (struct rtx_def): Add u.rv.
3013 (XCMWINT, XCNMPRV): New.
3014 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3015 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3016
5671655e
RH		 30172005-08-01 Richard Henderson <rth@redhat.com>
3018
75735872
RH		 3019 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3020 with auto-inc codes.
3021
5671655e
RH		 3022 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3023
72ce3d4a
JH		 30242005-08-01 Jan Hubicka <jh@suse.cz>
3025
3026 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3027 * i386.c: Include dwarf2.h
3028 (asm_preferred_eh_data_format): New.
3029 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3030
23d28bfe
ILT		 30312005-08-01 Ian Lance Taylor <ian@airs.com>
3032
3033 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3034 randomize_va_space for virtual address randomization control.
3035
d6e14e8f
SB		 30362005-08-01 Steven Bosscher <stevenb@suse.de>
3037
3038 * common.opt (flag_ipa_cp): Put in right place to maintain
3039 alphabetic sort.
3040
5ded7254
JH		 30412005-08-01 Jan Hubicka <jh@suse.cz>
3042
3043 * profile.c (compute_value_histograms): Fix thinko.
3044 * value-prof.c: Include toplev.h
3045 (check_counter): New function.
3046 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3047 tree_mod_subtract_transform): Add sanity check.
3048
a8f82ec4
RG		 30492005-08-01 Richard Guenther <rguenther@suse.de>
3050
3051 PR tree-optimization/23133
3052 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3053 current functions parameter decls to find defs to cse
3054 reciprocals of.
3055
ac264fef
RG		 30562005-08-01 Richard Guenther <rguenther@suse.de>
3057
3058 PR tree-optimization/23109
3059 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3060 If trapping math is in effect, use post-dominator information
3061 to check if we'd in any case reach a trapping point before
3062 doing the reciprocal insertion.
3063 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3064 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3065 expressions are invariant only if trapping math is not in effect.
3066
57fb5341
RL		 30672005-08-01 Razya Ladelsky <razya@il.ibm.com>
3068
5a006700
MR		 3069 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3070 cgraph_function_versioning): New declarations.
3071 * cgraphunit.c: Add include to ipa-prop.h.
3072 (update_call_expr, cgraph_copy_node_for_versioning,
3073 cgraph_function_versioning): New functions.
3074 * integrate.c (copy_decl_for_inlining): Remove.
3075 * ipa-prop.h (ipa_replace_map): New struct.
3076 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3077 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3078 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3079 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3080 ipcp_iterate_stage, ipcp_method_scale_print,
3081 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3082 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3083 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3084 ipcp_update_bb_counts, ipcp_update_profiling,
3085 ipcp_update_edges_counts): New functions.
3086 (ipcp_method_cval_init): Remove restriction regarding local methods.
3087 (ipcp_init_stage): Add ipcp_method_compute_scale.
3088 (ipcp_insert_stage): Add versioning.
3089 (ipcp_structures_print): Add ipcp_method_scale_print.
3090 (ipcp_driver): Dump profiling info.
3091 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3092 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3093 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3094 (struct inline_data): Add versioning_p, ipa_info, new fields.
3095 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3096 declare_return_variable): Replace calls to copy_decl_for_inlining with
3097 copy_decl_for_dup.
3098 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3099 versioning support.
3100 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3101 Add argument VERSIONING.
3102 (copy_arguments_for_versioning, copy_static_chain,
3103 function_versionable_p, tree_versionable_function_p,
3104 tree_function_versioning, replace_ref_tree): New functions.
3105 * tree-inline.h: Include varray.h.
3106 (tree_versionable_function_p, tree_function_versioning,
3107 tree copy_decl_for_dup): New declarations.
57fb5341
RL		 3108
31092005-08-01 Razya Ladelsky <razya@il.ibm.com>
3110
5a006700
MR		 3111 * ipa-cp.c: New file. Contains IPCP specific functionality.
3112 * ipa-prop.h: New file. Contains structures/definitions that can be
3113 used by several interprocedural data flow optimizations (and also IPCP).
3114 * ipa-prop.c: New file.
3115 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3116 * common.opt: Add ipa-cp flag.
3117 * timevar.def: Add IPCP optimization.
3118 * tree-optimize.c (init_tree_optimization_passes): Schedule
3119 pass_ipa_cp.
3120 * tree-pass.h (pass_ipa_cp): Declare.
57fb5341 3121
569b7f6a
KH		 31222005-08-01 Kazu Hirata <kazu@codesourcery.com>
3123
3124 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3125 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3126 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3127 config/i386/i386.c, config/mips/mips.h,
3128 config/rs6000/rs6000.h, config/sh/sh.c,
3129 config/stormy16/stormy16.c: Fix comment typos.
3130
5922c215
JM		 31312005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3132
3133 PR c/22311
3134 * c-typeck.c (build_binary_op): Use common_type wrapper on
3135 shortened types.
3136 (common_type): Update comment.
3137
a3f4b7d8
SB		 31382005-07-31 Steven Bosscher <stevenb@suse.de>
3139
3140 PR target/23095
3141 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3142 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3143 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3144
baf7a0d3
JH		 31452005-07-31 Jan Hubicka <jh@suse.cz>
3146
3147 * pretty-print.h (pp_widest_integer): New macro.
3148 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3149 counts.
3150
7dcbf659
JH		 31512005-07-31 Jan Hubicka <jh@suse.cz>
3152
3153 * output.h (enum section_category): Export from varasm.c
3154 (categorize_decl_for_section): Likewise.
3155 * varasm.c (enum section_category): Kill.
3156 (categorize_decl_for_section): Make global.
3157 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3158 Declare.
3159 * i386.c (ix86_section_threshold): New static variable.
3160 (ix86_in_large_data_p, ix86_encode_section_info,
3161 x86_64_elf_unique_section,
3162 x86_64_elf_select_section): New functions.
3163 (TARGET_ENCODE_SECTION_INFO): Define
3164 (override_options): Enable medium model for PIC.
3165 (ix86_expand_prologue): Expand gen_set_got_rex64.
3166 (legitimate_constant_p): Handle new UNSPECs.
3167 (legitimate_pic_address_disp_p): Likewise.
3168 (legitimize_pic_address): Lower MEDIUM model addressing.
3169 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3170 (enum cmodel): Add MEDIUM_PIC.
3171 (SYMBOL_REF_FAR_ADDR_P): New macro.
3172 (SYMBOL_FLAG_FAR_ADDR): New flag.
3173 * i386.md (movdi): Support medium model.
3174 (set_got_rex64): New pattern.
3175 * i386.opt (mlarge-data-threshold): New flag.
3176 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3177 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3178 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3179 TARGET_ASM_UNIQUE_SECTION): New.
3180
3181 * invoke.texi (-mlarge_data_threshold): Document
3182
0bde02b3
JH		 31832005-07-31 Jan Hubicka <jh@suse.cz>
3184
3185 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3186 (coalesce_vars): Likewise.
3187 * tree-ssa-live.c (coalesce_cost): New.
3188 (build_tree_conflict_graph): Use coalesce_cost.
3189 * tree-ssa-live.h (coalesce_cost): Declare.
3190
a4ccc336
RE		 31912005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3192
3193 * arm.md (all peepholes for post-increment operations): Delete.
3194 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3195 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3196 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3197 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3198 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3199
06581725
JM		 32002005-07-30 James A. Morrison <phython@gcc.gnu.org>
3201
3202 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3203 non-integral types.
3204
0cbc4d77 32052005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
d6e14e8f 3206
0cbc4d77
WB		 3207 PR target/22582
3208 * doc/invoke.texi: Document -rdynamic.
d6e14e8f 3209
91d975b8
JM		 32102005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3211
3212 PR c/23143
3213 * c-parser.c (c_parser_parms_list_declarator): Call
3214 mark_forward_parm_decls.
3215 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3216 decls with visibility structure.
3217
f26b8ec9
PB		 32182005-07-30 Paul Brook <paul@codesourcery.com>
3219
3220 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3221
a14b88bb
PB		 32222005-07-30 Paul Brook <paul@codesourcery.com>
3223
3224 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3225 prototype.
3226 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3227 value for mode.
3228 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3229
7c47d6e9
JM		 32302005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3231
3232 PR c/529
3233 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3234 nested function declarators.
3235 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3236 (grokparms): Call warn_if_shadowing for parameters used within the
3237 parameter list.
3238 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3239 not used within the parameter list.
3240 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3241
3bc751bd
JH		 32422005-07-30 Jan Hubicka <jh@suse.cz>
3243
3244 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3245 * i386.c (ix86_fixup_binary_operands): Likewise.
3246 (ix86_expand_unary_operator): Likewise.
3247 (ix86_expand_fp_absneg_operator): Likewise.
3248 * optabs.c (expand_vec_cond_expr): Validate dest.
3249
bc1594c1
JM		 32502005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3251
3252 PR c/21720
3253 * real.c (real_from_string): Also set last bit if there is a
3254 nonzero hex digit beyond GCC's internal precision after ".".
3255
3aca4bff
DE		 32562005-07-29 David Edelsohn <edelsohn@gnu.org>
3257
3258 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3259 define_constants. Change duplicate values to unassigned numbers.
3260 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3261 (*altivec_vspltsf): New.
3262 (altivec_vperm_v4sf): Delete.
3263 (altivec_vperm_<mode>): Use mode macro V.
3264 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3265 (altivec_predicate_v4sf): Delete.
3266 (altivec_predicate_<mode>): Use mode macro V.
3267 (*altivec_lvesfx): New.
3268 (*altivec_stvesfx): New.
3269 (vec_realign_load_v4sf): Delete.
3270 (vec_realign_load_<mode>): Use mode macro V.
3271 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3272 UNSPECV_SET_VRSAVE.
3273
b28250ab
MM		 32742005-07-29 Mark Mitchell <mark@codesourcery.com>
3275
3276 PR bootstrap/23131
3277 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7904f95f 3278 string.
b28250ab
MM		 3279 * configure: Regenerated.
3280
eae50c87
PB		 32812005-07-29 Paul Brook <paul@codesourcery.com>
3282
3283 * doc/install.texi: Add link to GFortran binaries wiki page.
3284
79dad081
DU		 32852005-07-29 David Ung <davidu@mips.com>
3286
3287 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3288 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3289 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3290 * config/mips/mips.md (cpu): Add 5kf name.
3291 (includes): Includes 5k.md.
3292 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3293 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7904f95f 3294 -march flag.
79dad081 3295
89e80dd4
DN		 32962005-07-29 Diego Novillo <dnovillo@redhat.com>
3297
3298 PR 22550
3299 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3300 (cleanup_tree_cfg): ... here.
3301 Call cleanup_tree_cfg_1 until there are no more cleanups to
3302 do.
3303
d2f3ffba
JM		 33042005-07-29 James A. Morrison <phython@gcc.gnu.org>
3305
3306 * tree-vrp.c (compare_range_with_value): Return true or false
3307 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3308 EQ_EXPR respectively.
3309
536fa7b7
KH		 33102005-07-29 Kazu Hirata <kazu@codesourcery.com>
3311
3312 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3313 Fix comment typos.
3314
6a2cf9dc
DN		 33152005-07-29 Diego Novillo <dnovillo@redhat.com>
3316
3317 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3318 (tree_ssa_dominator_optimize): Increment it.
3319 (dump_dominator_optimization_stats): Print it.
3320
abf86bf2
RE		 33212005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3322 Steven Bosscher <stevenb@suse.de>
3323
3324 PR rtl-optimization/23117
3325 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3326 when head == tail. Tidy comment.
3327
37cf6116
RH		 33282005-07-28 Richard Henderson <rth@redhat.com>
3329
3330 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3331 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3332 * jump.c (rtx_renumbered_equal_p): Likewise.
3333 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3334 CONST_INT and CONST_DOUBLE.
3335 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3336 * reload.c (operands_match_p): Special case CONST_INT and
3337 CONST_DOUBLE; check mode earlier.
3338
13b22d3a
JM		 33392005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3340
3341 PR c/22240
3342 * c-typeck.c (convert_for_assignment): Do not check
3343 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3344
ca8bdb78
JM		 33452005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3346
3347 PR c/22192
3348 * c-typeck.c (composite_type): Prefer constant size arrays to
3349 VLAs.
3350
b608d27a
JM		 33512005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3352
3353 PR c/21720
3354 * real.c (real_from_string): Set last bit if there is a nonzero
3355 hex digit beyond GCC's internal precision.
3356
a560c83a
RH		 33572005-07-28 Richard Henderson <rth@redhat.com>
3358
3359 PR rtl-opt/22619
3360 * cfgcleanup.c (try_forward_edges): Watch out for end of
3361 insn chain.
3362
66f33c03
JW		 33632005-07-28 James E Wilson <wilson@specifixinc.com>
3364
3365 PR c/23106
3366 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3367
c5a4444c
JH		 33682005-07-28 Jan Hubicka <jh@suse.cz>
3369
8a76829c
JH		 3370 * Makefile.in (rtl-profile.o): Kill all traces of it.
3371 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3372 * coverage.h (rtl_coverage_counter_ref): Kill.
3373 * opts.c (flag_speculative_prefetching_set): Kill.
3374 (flag_loop_optimize_set): New.
3375 (common_handle_option): Disable loop optimizer when profiling;
3376 do not handle speculative prefetching.
3377 * passes.c (init_optimization_passes): Replace pass_profiling combo
3378 by branch_prob pass.
3379 * profile.c (compute_value_histograms): Update for simplified value
3380 profiles.
3381 (rtl_register_profile_hooks): Kill.
3382 (pass_profiling): Kill.
3383 (rest_of_handle_branch_prob): Do not profile.
3384 * toplev.c (process_options): Remove speculative prefetching.
3385 * toplev.h (flag_tree_based_profiling): Kill.
3386 * tree-profile.c (prepare_instrumented_value,
3387 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3388 tree_gen_one_value_profiler, do_tree_profiling): Update for
3389 simplified datastructures.
3390 * value-prof.c: Add comment that speculative prefetching was dropped;
3391 update rest of file for simplified datastructures.
3392 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3393 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3394 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3395 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3396 rtl_mod_subtract, gen_speculative_prefetch,
3397 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3398 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3399 (gate_handle_value_profile_transformations,
3400 rest_of_handle_value_profile_transformations,
3401 pass_value_profile_transformations): Kill.
3402 * value-prof.h (histogram_value_t): Remove IL based unions.
3403 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3404 rtl_profile_hooks): Remove hooks.
3405
3406 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3407
c5a4444c
JH		 3408 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3409 (cgraph_clone_node): Likewise.
3410 * cgraph.h (cgraph_clone_edge): Update prototype.
3411 (cgraph_clone_node): Likewise.
3412 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3413 cgraph_clone_node.
3414 (lookup_recursive_calls): Consider profile.
3415 (cgraph_decide_recursive_inlining): Fix updating; use new
3416 probability argument; use profile.
3417 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3418 * tree-inline.c (copy_bb): Update clal of clone_edge.
3419 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3420
3421 * invoke.texi (min-inline-recursive-probability): Document.
3422
ccf548a7
GP		 34232005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3424
3425 * doc/install.texi (Configuration): Update Valgrind homepage.
3426
2c97f8e4
RH		 34272005-07-28 Richard Henderson <rth@redhat.com>
3428
407ab83b 3429 PR middle-end/21362
2c97f8e4
RH		 3430 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3431 labels we want to delete.
3432 (cfg_layout_merge_blocks): Likewise.
3433
b188ebb1
RH		 34342005-07-28 Richard Henderson <rth@redhat.com>
3435
3436 PR target/17692
d6e14e8f
SB		 3437 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3438 when expanding to nothing.
b188ebb1 3439
facc20ee
JC		 34402005-07-28 Josh Conner <jconner@apple.com>
3441
3442 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3443 (cgraph_decide_inlining_of_small_functions): Likewise.
3444
9de21a23
JC		 34452005-07-28 Josh Conner <jconner@apple.com>
3446
3447 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3448 direction of badness if negative.
3449 (cgraph_default_inline_p): Add reason to parameters, and assign it
3450 a value.
3451 (cgraph_decide_inlining_of_small_functions): New parameter in call
3452 to cgraph_default_inline_p.
3453 (cgraph_decide_inlining_incrementally): Likewise.
3454 * cgraphunit.c (decide_is_function_needed): Likewise.
3455 * cgraph.h (cgraph_default_inline_p): Likewise.
3456
206048bd
VR		 34572005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3458
3459 * builtins.c: Fix comment typo(s).
3460 * genautomata.c: Likewise.
3461 * gimplify.c: Likewise.
3462 * tree-dfa.c: Likewise.
3463 * tree-flow-inline.h: Likewise.
3464 * tree-into-ssa.c: Likewise.
3465 * tree-ssa-alias.c: Likewise.
3466 * tree-ssa-ccp.c: Likewise.
3467 * tree-ssa-copy.c: Likewise.
3468 * tree-ssa-dce.c: Likewise.
3469 * tree-ssa-dom.c: Likewise.
3470 * tree-ssa-operands.c: Likewise.
3471 * tree-tailcall.c: Likewise.
3472 * tree-vectorizer.c: Likewise.
3473 * tree-vrp.c: Likewise.
3474 * tree.c: Likewise.
3475
d579f20b
JL		 34762005-07-28 Jeff Law <law@redhat.com>
3477
d6e14e8f
SB		 3478 * tree-vrp.c (test_for_singularity): Extracted from ...
3479 (simplify_cond_using_ranges): Attempt to simplify a relational
3480 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
d579f20b 3481
5bb1823d
DN		 34822005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3483
3484 PR tree-optimization/22506
3485 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3486 phis whose argument is constant.
3487
b92ba6ff
R		 34882005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3489
3490 PR rtl-optimization/18992
3491 Back out this patch:
3492 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3493 PR optimization/12142
3494 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3495 uses of the register in the SET_SRC. Remove unnecessary argument.
3496
3497 Replace it with this:
3498 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3499 if flag_non_call_exceptions is set and the insn may trap, pass
3500 pc_rtx as dest for recursion.
3501 In SET_SRC part of SET case, if dest is already set, pass it down
3502 unchanged.
3503
09bac500
JH		 35042005-07-28 Jan Hubicka <jh@suse.cz>
3505
3506 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3507 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3508 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3509 roundoff errors.
3510 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3511 profile when available.
3512
35132005-07-28 Jan Beulich <jbeulich@novell.com>
a71aef0b
JB		 3514
3515 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3516 (ia64_print_operand): Describe and handle 'X'.
3517 (ia64_register_move_cost): Also handle FP_REGS.
3518 (ia64_preferred_reload_class): Likewise.
3519 (ia64_secondary_reload_class): Likewise.
3520 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3521 it. Also check for ITANIUM_CLASS_FLDP.
3522 * config/ia64/ia64.h (FP_REGNO_P): New.
3523 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3524 (reg_class): Add FP_REGS.
3525 (REG_CLASS_NAMES): Adjust for it.
3526 (REG_CLASS_CONTENTS): Likewise.
3527 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3528 (REG_CLASS_FROM_LETTER): Handle 'x'.
3529 (CLASS_MAX_NREGS): Handle FP_REGS.
3530 (MEMORY_MOVE_COST): Likewise.
3531 * config/ia64/ia64.md (itanium_class): Add fldp.
3532 (type): Handle fldp.
3533 (movti_internal): More allowable operand combinations. Use ldfp8 when
3534 splitting unnecessary. Remove predicable attribute. Adjust
3535 itanium_class attribute.
3536 (smuldi3_highpart): Remove outdated comment.
3537 (mulditi3, umulditi3, rotlti3): New expanders.
3538 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3539 (absti2): Disabled new insn for future reference.
3540 Respective new splitters.
3541 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3542 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3543 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3544
77d1d8e0
JM		 35452005-07-25 James A. Morrison <phython@gcc.gnu.org>
3546
3547 PR rtl-optimization/23047
3548 * simplify-rtx.c (simplify_const_relational_operation): Respect
3549 flag_wrapv for comparisons with ABS.
3550
ff08cbee
JM		 35512005-07-27 James A. Morrison <phython@gcc.gnu.org>
3552
3553 PR tree-optimization/22493
3554 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3555 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3556
38c28a25
AH		 35572005-07-27 Aldy Hernandez <aldyh@redhat.com>
3558
3559 * config/frv/frv.opt (moptimize-membar): New.
3560
3561 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3562
3563 * config/frv/frv.h: Remove machine_function definition.
3564
d6e14e8f
SB		 3565 * config/frv/frv.c (struct frv_io): New.
3566 (struct machine_function): Moved from frv.h. Add has_membar_p.
3567 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3568 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3569 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3570 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3571 (frv_reorg): Call frv_optimize_membar when appropriate.
3572 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3573 (frv_expand_builtin): Adjust calls accordingly.
3574 (frv_io_address_cookie): New function.
3575 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3576 load or store rather than a special insn. Add ccnstant address and
3577 io-type operands to the membar.
38c28a25
AH		 3578 (frv_ifcvt_modify_tests): Unsign regno.
3579 (frv_ifcvt_modify_tests): Same.
3580
3581 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3582 UNSPEC_OPTIONAL_MEMBAR constant.
3583 (builtin_read_<mode>): Delete.
3584 (builtin_write_<mode>): Delete.
3585 ("optional_membar_<mode>"): Add operand.
3586
3587 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3588 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3589 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3590 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3591 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3592 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3593 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3594 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3595 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3596
47c504ea
KK		 35972005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3598
3599 * df.c (df_uses_record): Handle SCRATCH.
3600
ef11c839
SB		 36012005-07-28 Steven Bosscher <stevenb@suse.de>
3602
3603 PR debug/20161
3604 * passes.c (rest_of_decl_compilation): If decl is a type and
3605 we have encountered errors, don't emit debug information.
3606
1eb68dca 36072005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
ef11c839 3608
1eb68dca 3609 * params.def: Fixed comment.
7904f95f 3610
10252a62
BH		 36112005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3612
3613 PR target/19885
3614 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3615 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3616 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3617
e4598783
SB		 36182005-07-27 Steven Bosscher <stevenb@suse.de>
3619
3620 PR c++/22003
3621 * varasm.c (assemble_start_function): Don't do anything that may
3622 require a CFG if the current function is a thunk.
3623
a9fdd472
GK		 36242005-07-25 Geoffrey Keating <geoffk@apple.com>
3625
3626 * doc/install.texi (Prerequisites): Mention that perl is needed
3627 to do export control in libstdc++ targetting Darwin.
3628
2bd1e239
SB		 36292005-07-27 Steven Bosscher <stevenb@suse.de>
3630
3631 PR rtl-optimization/17808
3632 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3633 (sched_insns_conditions_mutex_p): Split out from...
3634 (add_dependence): ...here. But don't call it from here.
3635 (add_dependence_list): Check sched_insns_conditions_mutex_p
3636 before calling add_dependence.
3637 (add_dependence_list_and_free): Likewise.
3638 (fixup_sched_groups): Likewise.
3639 (sched_analyze_1): Likewise.
3640 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3641 (sched_analyze): Likewise.
3642 (sched_analyze_insn): Likewise.
3643 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3644 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3645 dependencies on all COND_EXEC insns to jumps ending basic blocks
3646 when doing intrablock scheduling.
3647 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3648
880031e1
JL		 36492005-07-27 Jeff Law <law@redhat.com>
3650
3651 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3652 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3653 equivalency sets, correctly handle the case were vr0 has an
3654 equivalency set, but vr1 does not.
3655
b940ce0e
DN		 36562005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3657
3658 PR tree-optimization/23073
7904f95f 3659 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
b940ce0e
DN		 3660 vect_print_dump_info before fprintf.
3661
26c40640
ZD		 36622005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3663
3664 PR tree-optimize/22348
3665 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3666 Fold the partial computation.
3667
3ac01fde
ZD		 36682005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3669
3670 PR tree-optimization/22325
3671 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3672 Declare.
3673 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3674 value replacement.
3675 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3676 (force_var_cost): ... this function.
3677 (compute_phi_arg_on_exit): Export.
3678
77fcaf4b
ZD		 36792005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3680
3681 PR tree-optimization/20773
3682 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3683 edge.
3684
c11b0231
RG		 36852005-07-27 Richard Guenther <rguenther@suse.de>
3686
3687 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3688 Avoid pushing again if current struct contains only
3689 fields we decomposed.
3690
57a73709
JH		 36912005-07-27 Jan Hubicka <jh@suse.cz>
3692
093c2329
JH		 3693 PR tree-optimization/22574
3694 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3695 not available.
3696
23504559
JH		 3697 * tree-tailcall.c (decrease_profile): New function.
3698 (eliminate_tail_call): Use it.
3699
57a73709
JH		 3700 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3701 visibility flags correctly in whole program mode.
3702
b5395c33
SE		 37032005-07-26 Steve Ellcey <sje@cup.hp.com>
3704
3705 PR rtl-optimization/22472
3706 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3707
86979811
SB		 37082005-07-26 Steven Bosscher <stevenb@suse.de>
3709
3710 PR tree-optimization/22504
3711 * tree-complex.c (expand_complex_addition): Use 'code' instead
3712 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3713
faf9ab98
AH		 37142005-07-26 Aldy Hernandez <aldyh@redhat.com>
3715
3716 * config.gcc (cpu_type): Add frv case.
3717 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3718 (supported_defaults): Add fr550 case.
3719
31521cd4
DN		 37202005-07-26 Diego Novillo <dnovillo@redhat.com>
3721
3722 PR 22591
3723 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3724 whether a pointer of type T * may point to objects of type T *.
3725
45499411
DD		 37262005-07-26 DJ Delorie <dj@redhat.com>
3727
3728 * configure: Regenerate.
3729
576a4795
DJ		 37302005-07-26 Dale Johannesen <dalej@apple.com>
3731
3732 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3733
526635cb
MM		 37342005-07-26 Mark Mitchell <mark@codesourcery.com>
3735
3736 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3737 Clarify use of "build" in name.
3738
c14ff86e
AH		 37392005-07-26 Aldy Hernandez <aldyh@redhat.com>
3740
3741 * doc/extend.texi (Raw read/write Functions): New section.
3742 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3743 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3744 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3745 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3746 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3747 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3748 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3749 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3750 * config/frv/frv.c: Add bdesc_loads global.
3751 Add bdesc_stores global.
3752 (frv_init_builtins): Add support for __builtin_{read/write}*.
3753 (frv_volatile_memref): New.
3754 (frv_expand_load_builtin): New.
3755 (frv_expand_store_builtin): New.
3756 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3757 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3758 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3759 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3760 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3761 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3762 (builtin_read_<mode>): New.
3763 (builtin_write_<mode>): New.
3764 (builtin_write64): New.
3765 (optional_membar_<mode>): New.
3766
db487452
R		 37672005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3768
3769 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3770 (rather than units) against HOST_BITS_PER_WIDE_INT.
3771
783455db
KH		 37722005-07-26 Kazu Hirata <kazu@codesourcery.com>
3773
3774 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3775 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3776 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3777 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3778 FSF address.
3779
a4174ebf
KH		 3780 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3781 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3782 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3783 comment typos.
3784 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3785
46c0a59d
RG		 37862005-07-26 Richard Guenther <rguenther@suse.de>
3787
3788 PR tree-optimization/22486
3789 * fold-const.c (fold_unary): Fold away useless component
3790 references of the form (T *)&T.x, if the address
3791 doesn't change.
3792
3e2844cb
JW		 37932005-07-25 James E Wilson <wilson@specifixinc.com>
3794
3795 * dwarf2out.c (add_call_src_coords_attributes): New.
3796 (gen_inlined_subroutine_die): Call it.
3797 (maybe_emit_file, init_file_table): Add comments.
3798 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3799 maybe_emit_file.
3800 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3801 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3802 * tree.h (BLOCK_SOURCE_LOCATION): New.
3803 (struct tree_block): New field locus.
3804
9275de65
AS		 38052005-07-26 Andreas Schwab <schwab@suse.de>
3806
3807 PR rtl-optimization/23043
3808 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3809 when allocating a struct unoccr.
3810
5306ec31
RH		 38112005-07-25 Richard Henderson <rth@redhat.com>
3812
3813 PR 22626
3814 * tree-complex.c (gate_no_optimization): True if errors.
3815 * Makefile.in (tree-complex.o): Update dependencies.
3816
bfa653b3
AH		 38172005-07-25 Aldy Hernandez <aldyh@redhat.com>
3818
3819 * config/frv/predicates.md (integer_register_operand): Use
3820 GPR_AP_OR_PSEUDO_P.
3821
43e364dd
AP		 38222005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3823
3824 PR tree-opt/22484
3825 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3826 after fold.
3827 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3828
c72f711f
AP		 38292005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3830
3831 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3832 types when flag_unsafe_math_optimizations is true.
3833
160633c6
MM		 38342005-07-25 Mark Mitchell <mark@codesourcery.com>
3835
3836 * gcc.c (option_map): Add --sysroot.
3837 (process_command): Handle --sysroot.
3838 (display_help): Document it.
3839 * doc/cppopts.tex (-isysroot): Document.
3840 * doc/invoke.texi (--sysroot): Document.
3841 * doc/install.texi (--with-build-sysroot): Document.
3842
3843 * Makefile.in (inhibit_libc): New variable.
3844 (INHIBIT_LIBC_CFLAGS): Likewise.
3845 (LIBGCC2_CFLAGS): Include
3846 $(INHIBIT_LIBC_CFLAGS).
3847 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3848 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3849 ($(T)crtend.o): Likewise.
3850 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3851 ($(T)crtendS.o): Likewise.
3852 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3853 ($(T)crtendT.o): Likewise.
3854 (stmp-fixinc): Do not complain about missing headers if
3855 inhibit_libc.
3856 * configure.ac (inhibit_libc): Set it to true/false.
3857 (--with-build-sysroot): New option. Use it to set
7904f95f 3858 SYSTEM_HEADER_DIR.
160633c6
MM		 3859 * configure: Regenerated.
3860
1490f93a
MH		 38612005-07-25 Manfred Hollstein <mh@suse.com>
3862
3863 * calls.c (store_one_arg): Fix unsigned comparison warning.
3864
76e20664
SB		 38652005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3866
3867 PR other/22337
3868 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3869 (ggc_print_statistics): Initialize variable before use.
3870
5c97e2de
RG		 38712005-07-25 Richard Guenther <rguenther@suse.de>
3872
3873 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3874 calling with a PHI_NODE argument.
3875
3876 * tree-flow-inline.h (overlap_subvar): Protect against
3877 possible overflow.
3878
7fefc172
PB		 38792005-07-25 Paolo Bonzini <bonzini@gnu.org>
3880
3881 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3882 * configure: Regenerate.
3883
86a07404
IR		 38842005-07-25 Ira Rosen <irar@il.ibm.com>
3885
3886 * expr.c (highest_pow2_factor): Make extern.
3887 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3888 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3889 record_array_differ_p, array_ptr_differ_p): Likewise.
3890 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3891 additional cases. Call the above functions.
3892 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3893 base_object_differ_p when there are two base objects. Otherwise, compare
3894 base address and offset. Call may_alias_p.
3895 (dump_data_reference): Use a correct field name.
3896 (analyze_array): Make static. Initialize new data-ref fields.
3897 (analyze_indirect_ref): New function.
7904f95f
EC		 3898 (init_data_ref): Initialize new data-ref fields.
3899 (strip_conversion): Moved from tree-vect-analyze.c.
7fefc172
PB		 3900 (analyze_offset_expr, get_ptr_offset, address_analysis,
3901 object_analysis): Likewise.
86a07404 3902 (analyze_offset): New function.
86979811 3903 (create_data_ref): Likewise.
86a07404
IR		 3904 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3905 dimensions for ARRAY_REFs only.
3906 (build_classic_dist_vector): Make static.
3907 (access_functions_are_affine_or_constant_p): Call macro to get the
3908 address of access functions.
3909 (compute_all_dependences): Add new parameter
7904f95f 3910 compute_self_and_read_read_dependences. Compute self and read-read
86a07404
IR		 3911 dependences if it is true.
3912 (find_data_references_in_loop): Call create_data_ref. Initialize new
3913 data-ref fields.
3914 (compute_data_dependences_for_loop): Add new parameter
3915 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7fefc172
PB		 3916 compute nb_loops. Call compute_all_dependences,
3917 build_classic_dist_vector and build_classic_dir_vector with correct
3918 parameters.
3919 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3920 with correct parameters. Compare dimensions for ARRAY_REFs only.
86a07404
IR		 3921 (free_data_refs): Call macro to free access functions.
3922 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3923 fields from stmt_vinfo.
3924 (struct base_object_info): New structure.
7904f95f 3925 (struct data_reference): Move fields to base_object_info. Add fields
86a07404 3926 first_location and object_info for above structures. Move fields from
7fefc172
PB		 3927 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3928 aligned_to. Add macros to access the new fields.
86a07404
IR		 3929 Update functions declarations.
3930 * tree-flow.h (is_aliased_with): Declare.
3931 * tree-loop-linear.c (linear_transform_loops): Call
3932 compute_data_dependences_for_loop with correct parameters.
3933 * tree-ssa-alias.c (is_aliased_with): New function.
86979811 3934 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
86a07404
IR		 3935 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3936 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3937 vect_base_addr_differ_p, compute_subscript_distance and
3938 build_classic_dist_vector. Add printings. Check absolute value of
3939 distance.
7fefc172
PB		 3940 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3941 data-refs.
86a07404
IR		 3942 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3943 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3944 to bytes. Add printing.
7fefc172
PB		 3945 (vect_compute_data_refs_alignment): Go through loads and stores in one
3946 loop.
86a07404
IR		 3947 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3948 vect_analyze_data_ref_access): Likewise.
3949 (vect_analyze_pointer_ref_access): Remove.
3950 (vect_address_analysis, vect_object_analysis): Likewise.
3951 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3952 and analyze data-refs in the loop.
7fefc172
PB		 3953 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3954 fields of data-ref instead of stmt. Add init to the offset from the
3955 base.
86a07404
IR		 3956 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3957 (vect_update_init_of_dr): Likewise.
3958 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7fefc172
PB		 3959 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3960 removed fields.
86a07404
IR		 3961 (new_loop_vec_info): Initialize new fields.
3962 (destroy_loop_vec_info): Free new fields.
3963 (vect_strip_conversion): Remove.
3964 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3965 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7904f95f 3966 datarefs. Add new field ddrs.
86a07404
IR		 3967 Add macros for the new fields access.
3968 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3969 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3970 Remove their macros.
3971 * tree.h (highest_pow2_factor): Declare.
3972
0dc42b03
JJ		 39732005-07-25 Jakub Jelinek <jakub@redhat.com>
3974
3975 * calls.c (store_one_arg): Check for sibling call MEM arguments
3976 from already clobbered incoming argument area.
3977
104f8784
KG		 39782005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3979
3980 * c-common.c (check_missing_format_attribute): New.
3981 * c-common.h (check_missing_format_attribute): Likewise.
3982 * c-typeck.c (convert_for_assignment): Use it.
3983
1b8452d0
AS		 39842005-07-24 Andreas Schwab <schwab@suse.de>
3985
3986 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3987 register use a word move. Correct operand of ext.w in 68000 code.
3988
2b402955
MM		 39892005-07-23 Mark Mitchell <mark@codesourcery.com>
3990
3991 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3992 variables as declarations, rather than definitions.
3993
c8af1197
IR		 39942005-07-24 Ira Rosen <irar@il.ibm.com>
3995
86979811
SB		 3996 PR tree-optimization/22526
3997 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3998 of the zero node.
c8af1197 3999
1b135aa5
FXC		 40002005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4001
4002 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4003 that C99 reserve for future use. Use it to define clog10,
4004 clog10f and clog10l.
4005
ac0f3f39
KG		 40062005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007
4008 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4009 * configure.ac: Check for -Wmissing-format-attribute.
7904f95f 4010
ac0f3f39
KG		 4011 * configure: Regenerate.
4012
db753fa1
RH		 40132005-07-23 Richard Henderson <rth@redhat.com>
4014
4015 PR tree-optimization/22623
4016 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4017
28f155be
GB		 40182005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4019
4020 PR target/22577
4021 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4022
db857e7d
KG		 40232005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024
4025 * Makefile.in (C_TREE_H): Update dependencies.
4026 * c-tree.h: Include toplev.h.
4027 * diagnostic.h (diagnostic_set_info): Add format attribute.
4028 * rtl-error.c (diagnostic_for_asm): Likewise.
4029
118ea793
CF		 40302005-07-23 Chao-ying Fu <fu@mips.com>
4031
4032 * config/mips/mips-dsp.md: New file.
4033 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4034 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4035 functions.
4036 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4037 MIPS_BUILTIN_BPOSGE32.
4038 (mips_expand_builtin_direct): Add one parameter to indicate that
4039 builtin functions need to return a value.
4040 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4041 functions.
4042 (mips_regno_to_class): Add classes for 12 new DSP registers.
4043 (mips_subword): Change to check four HI registers.
4044 (mips_output_move): Output move to and from 6 new DSP accumulators.
4045 (override_options): Make sure -mdsp and -mips16 are not used together.
4046 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4047 for machine modes.
4048 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4049 when !TARGET_DSP.
4050 (print_operand): Add 'q' for printing DSP accumulators.
4051 (mips_cannot_change_mode_class): Check ACC_REGS.
4052 (mips_secondary_reload_class): Check ACC_REGS.
4053 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4054 (mips_register_move_cost): Check ACC_REGS.
4055 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4056 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4057 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4058 (dsp_bdesc): New array.
4059 (bdesc_arrays): Add DSP builtin function table.
4060 (mips_prepare_builtin_arg): Check predicate again after
4061 copy_to_mode_reg.
4062 (mips_expand_builtin): Add one more parameter to
4063 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4064 MIPS_BUILTIN_BPOSGE32.
4065 (mips_init_builtins): Initialize new function types.
4066 (mips_expand_builtin_direct): Check if builtin functions need to
4067 return a value and pass operands properly.
4068 (mips_expand_builtin_bposge): New function.
4069 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4070 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4071 (FIRST_PSEUDO_REGISTER): Increase to 188.
4072 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4073 Update for 12 new DSP registers.
4074 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4075 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4076 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4077 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4078 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4079 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4080 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4081 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4082 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4083 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4084 (REGISTER_NAMES): Add names for 12 new DSP registers.
4085 * config/mips/mips.md: Include mips-dsp.md.
4086 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4087 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4088 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4089 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4090 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4091 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4092 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4093 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4094 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4095 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4096 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4097 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4098 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4099 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4100 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4101 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4102 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4103 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4104 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4105 (UNSPEC_RDDSP): New constants.
4106 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4107 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4108 A<-d alternative.
4109 * config/mips/mips.opt (-mdsp): New option.
4110 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4111 (reg_imm10_operand): New predicates.
4112 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4113 * doc/invoke.texi (-mdsp): Document new option.
4114
d2fcbf6f
DD		 41152005-07-22 DJ Delorie <dj@redhat.com>
4116
4117 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4118 to warning calls.
4119 * tree-inline.c (inlinable_function_p): Likewise.
4120
9881e3e5
MM		 41212005-07-22 Mark Mitchell <mark@codesourcery.com>
4122
4123 PR debug/21828
4124 * toplev.c (check_global_declarations): Do not mark undefined
4125 variables as DECL_IGNORED_P.
4126 * varasm.c (first_global_object_name): GTY it.
4127 (weak_global_object_name): Likewise.
4128 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4129 a string to go into {weak,first}_global_object_name.
4130
1a8d0d41
DD		 41312005-07-22 DJ Delorie <dj@redhat.com>
4132
4133 * c-format.c (check_function_format): Change warning control
4134 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4135
17c7e33e
DN		 41362005-07-22 Diego Novillo <dnovillo@redhat.com>
4137
4138 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4139 &PTR->FLD a dereference of PTR.
4140 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4141 a potential dereference of PTR.
4142
45002e59
R		 41432005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4144
191e1ff2
R		 4145 PR rtl-optimization/20370
4146 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4147 call allocate_reg_info if necessary.
4148
475a3eef
R		 4149 PR rtl-optimization/21848
4150 * calls.c (emit_library_call_value_1): For const functions, add
4151 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4152
29c1846b
R		 4153 PR rtl-optimization/22445
4154 * cselib.c (target.h): Include.
4155 (rtx_equal_for_cselib_p): Allow commutative matches.
4156 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4157 Remove MODE parameter. Changed all callers.
4158
45002e59
R		 4159 PR rtl-optimization/22258
4160 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4161 New functions.
4162 (try_combine): Use likely_spilled_retval_p.
4163
db869733
PW		 41642005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4165
4166 * config.gcc: Add crx-elf support.
4167
4168 * doc/contrib.texi: Mention crx.
4169 * doc/extend.texi: Document crx extensions.
4170 * doc/install.texi: Document crx install.
4171 * doc/invoke.texi: Document crx options.
4172 * doc/md.texi: Document crx constraints.
4173
4174 * config/crx/crx-protos.h: New file.
4175 * config/crx/crx.c: New file.
4176 * config/crx/crx.h: New file.
4177 * config/crx/crx.md: New file.
4178 * config/crx/crx.opt: New file.
4179 * config/crx/t-crx: New file.
7904f95f 4180
32cafd73
MH		 41812005-07-22 Manfred Hollstein <mh@suse.com>
4182
4183 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4184 warnings.
4185 (int_add_graph_edge): Likewise.
4186 (collapse_nodes): Likewise.
4187 (process_unification_queue): Likewise.
4188
ee184c4d 41892005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
86979811 4190 Laurent GUERBY <laurent@guerby.net>
ee184c4d 4191
86979811 4192 PR tree-optimization/22336
7904f95f 4193 * function.c (record_block_change): Check for
86979811 4194 cfun->ib_boundaries_block.
7904f95f 4195
b49ceb45
JM		 41962005-07-21 James A. Morrison <phython@gcc.gnu.org>
4197
4198 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4199 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4200
30c54de9
DD		 42012005-07-21 DJ Delorie <dj@redhat.com>
4202
4203 * toplev.c (warn_deprecated_use): Add warning control to warning
4204 call.
c303630a
DD		 4205 * c-typeck.c (parser_build_binary_op): Likewise.
4206 (c_finish_if_stmt): Likewise.
30480ec4
DD		 4207 * c-common.c (check_function_sentinel): Likewise.
4208 (check_nonnull_arg): Likewise.
30c54de9 4209
95a8c155
RH		 42102005-07-21 Richard Henderson <rth@redhat.com>
4211
4212 PR tree-opt/22504
4213 * tree-complex.c (complex_ssa_name_components): New.
4214 (cvc_lookup): Allow entry not found.
4215 (create_components): Remove.
4216 (create_one_component_var, get_component_var): New.
4217 (get_component_ssa_name, set_component_ssa_name): New.
4218 (extract_component): Use get_component_ssa_name.
4219 (update_complex_components): Use set_component_ssa_name.
4220 (update_complex_components_on_edge): Likewise.
4221 (update_phi_components): Create new PHI nodes directly, instead
4222 of adding insns to edges.
4223 (tree_lower_complex): Allocate and free complex_variable_components
4224 and complex_ssa_name_components here.
4225
c05a0766 42262005-07-20 Daniel Berlin <dberlin@dberlin.org>
7904f95f 4227
c05a0766
DB		 4228 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4229 revert to returning false.
4230
de343c8d
UB		 42312005-07-21 Uros Bizjak <uros@kss-loka.si>
4232
86979811
SB		 4233 PR target/21149
4234 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
de343c8d 4235
5acc26ef
UB		 42362005-07-21 Uros Bizjak <uros@kss-loka.si>
4237
4238 PR target/22576
4239 * config/i386/i386.md (cmpxf): Change operand constraints
4240 to "nonmemory_operand".
4241
61cb44fe
AP		 42422005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4243
4244 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4245
e2fe73f6
AP		 42462005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4247
4248 PR middle-end/21180
4249 * fold-const.c (fold_build1): Add checksum for the operands.
7904f95f 4250 (fold_build2): Likewise.
e2fe73f6
AP		 4251 (fold_build3): Likewise.
4252
9d24eb54
AP		 42532005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4254
4255 PR middle-end/19055
4256 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4257
b2e0afa0
PB		 42582005-07-21 Paolo Bonzini <bonzini@gnu.org>
4259
4260 * common.opt (-fforward-propagate): Committed by mistake,
4261 removed.
4262
2e48874f
VR		 42632005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4264
4265 * reg-stack.c: Fix comment typo(s).
4266 * tree-ssa-operands.c: Likewise.
4267 * tree-vectorizer: Likewise.
4268
889d8465
NC		 42692005-07-21 Nick Clifton <nickc@redhat.com>
4270
4271 * config/sh/symbian.c: Replace C++ style line comments with C
4272 style line comments.
86979811 4273 (symbian_add_attribute): Do not use a ? operator on the LHS of
889d8465 4274 an assignment.
86979811 4275 (sh_symbian_handle_dll_attribute): Change the type of the
889d8465
NC		 4276 method vector to "VEC(tree,gc)*" and use vector accessor
4277 macros to walk over the elements.
86979811
SB		 4278 (symbian_export_vtable_and_rtti_p): Likewise.
4279 (symbian_class_needs_attribute_p): Likewise.
889d8465 4280
2fab365e
PB		 42812005-07-21 Paolo Bonzini <bonzini@gnu.org>
4282
4283 PR target/22085
4284 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4285 initialize targetm.resolve_overloaded_builtin here.
4286 (altivec_expand_overloaded_builtin): Make it non-static.
4287 * config/rs6000/rs6000-protos.h
4288 (altivec_expand_overloaded_builtin): New prototype.
4289 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4290 targetm.resolve_overloaded_builtin here.
4291 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4292
f9cc1a70 42932005-07-21 Paolo Bonzini <bonzini@gnu.org>
86979811 4294 Zdenek Dvorak <dvorakz@suse.cz>
f9cc1a70
PB		 4295
4296 PR tree-optimization/19210
4297 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4298 New.
4299 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4300 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4301 rely on unproven assumptions.
4302 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4303 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4304 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4305 to number_of_iterations_exit.
4306 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4307 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4308 * tree-ssa-loop-niter.c (find_loop_niter,
4309 estimate_numbers_of_iterations_loop): Likewise.
4310 (number_of_iterations_exit): Honor the new options.
4311 * doc/invoke.texi (Wunsafe-loop-optimizations,
4312 funsafe-loop-optimizations): Document them.
4313
cb83c2ec
RS		 43142005-07-21 Richard Sandiford <richard@codesourcery.com>
4315
4316 PR rtl-optimization/22167
4317 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4318
5e5cbbfb
AN		 43192005-07-20 Adam Nemet <anemet@lnxw.com>
4320
4321 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4322 __do_global_dtors_aux longcall.
4323
c2acaf06
KH		 43242005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4325
4326 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4327 (old_special_pred_table): Don't reference
4328 SPECIAL_MODE_PREDICATES.
4329 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4330 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4331 * config/sh/predicates.h: Don't mention
4332 SPECIAL_MODE_PREDICATES.
4333 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4334 Remove.
4335
38b2d076
DD		 43362005-07-20 DJ Delorie <dj@redhat.com>
4337
4338 * config.gcc: Add m32c-elf support.
4339
4340 * doc/contrib.texi: Mention m32c.
4341 * doc/extend.texi: Document m32c extensions.
4342 * doc/install.texi: Mention m32c.
4343 * doc/invoke.texi: Document m32c options.
4344 * doc/md.texi: Document m32c constraints.
4345
4346 * config/m32c/addsub.md: New file.
4347 * config/m32c/bitops.md: New file.
4348 * config/m32c/cond.md: New file.
4349 * config/m32c/jump.md: New file.
4350 * config/m32c/m32c-lib1.S: New file.
4351 * config/m32c/m32c-lib2.c: New file.
4352 * config/m32c/m32c-modes.def: New file.
4353 * config/m32c/m32c-pragma.c: New file.
4354 * config/m32c/m32c-protos.h: New file.
4355 * config/m32c/m32c.abi: New file.
4356 * config/m32c/m32c.c: New file.
4357 * config/m32c/m32c.h: New file.
4358 * config/m32c/m32c.md: New file.
4359 * config/m32c/m32c.opt: New file.
4360 * config/m32c/minmax.md: New file.
4361 * config/m32c/mov.md: New file.
4362 * config/m32c/muldiv.md: New file.
4363 * config/m32c/predicates.md: New file.
4364 * config/m32c/prologue.md: New file.
4365 * config/m32c/shift.md: New file.
4366 * config/m32c/t-m32c: New file.
4367
50b69666
KK		 43682005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4369
4370 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4371 (stack_protect_set, stack_protect_test): New expanders.
86979811 4372 (stack_protect_set_si, stack_protect_set_si_media,
50b69666 4373 stack_protect_set_di_media, stack_protect_test_si,
86979811 4374 stack_protect_test_si_media, stack_protect_test_di_media):
50b69666
KK		 4375 New insns.
4376
71b50543
AP		 43772005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4378
4379 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4380
4db8040c
JM		 43812005-07-20 James A. Morrison <phython@gcc.gnu.org>
4382
4383 * tree.h (tree_expr_nonzero_p): Export.
4384 * fold-const.c (tree_expr_nonzero_p): Likewise.
4385 Return true for CALL_EXPRs that are alloca calls.
4386 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4387 against zero.
4388 * tree-flow.h (expr_computes_nonzero): Remove.
4389 * tree-vrp.c (expr_computes_nonzero): Remove.
86979811 4390 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4db8040c
JM		 4391 (extract_range_from_unary_expr): Likewise.
4392 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4393 tree_expr_nonzero_p.
4394
6d459e2b
BS		 43952005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4396
09350e36
BS		 4397 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4398 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4399 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4400 All callers changed.
4401 (frame_related_constant_load): New arg "related" which controls
4402 setting of RTX_FRAME_RELATED_P. All callers changed.
4403 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4404 (bfin_expand_prologue): Add stack limit checking.
4405 * config/bfin/bfin.md (trapifcc): New pattern.
4406
05905337
BS		 4407 * config/bfin/bfin.c: Include "langhooks.h".
4408 (def_builtin): Go through lang_hooks to call builtin_function.
4409
6d459e2b
BS		 4410 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4411 * config/bfin/predicates.md (symbol_ref_operand): New.
4412 (call_insn_operand): Delete. All callers changed to use
4413 register_no_elim_operand.
4414 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4415 call_cookie field.
4416 (function_arg): Use it to generate the call's operand 2.
4417 (bfin_longcall_p): New function.
4418 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4419 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4420 determine if the address needs to be in a REG.
4421 (bfin_handle_longcall_attribute): New function.
4422 (bfin_attribute_table): Add "longcall" and "shortcall".
4423 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4424 (CUMULATIVE_ARGS): New member call_cookie.
4425 (PREDICATE_CODES): Add symbol_ref_operand.
4426 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4427 extra USE to the pattern.
4428 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4429 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4430 sibcall_value_insn; now the new patterns handle direct calls and the
4431 old ones indirect calls.
4432 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4433
67135ef4
ZD		 44342005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4435
4436 * doc/trouble.texi: Update section on handling of empty loops.
4437
fdda361d
KH		 44382005-07-20 Kazu Hirata <kazu@codesourcery.com>
4439
4440 * config.gcc: Remove support for sparc-*-openbsd*,
4441 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4442 ns32k-*-netbsd*.
4443 * config.host: Remove support for i860-*-sysv4* as a host.
4444 * config/i860/*, config/ip2k/*, config/ns32k/*,
4445 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4446 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4447 mention obsolete ports.
4448
96a2347e
KK		 44492005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4450
4451 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4452 soft frame pointer.
4453 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4454 of frame_pointer_rtx.
4455 (sh_expand_epilogue): Likewise.
4456 (sh_set_return_address): Likewise.
4457 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4458 instead of FRAME_POINTER_REGNUM if needed. Add elimination
4459 offsets from FRAME_POINTER_REGNUM.
4460 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4461 (sh_register_names): Add initializer for sfp.
4462 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4463 (VALID_REGISTER_P): Likewise.
4464 (FIRST_PSEUDO_REGISTER): Update.
4465 (DWARF_FRAME_REGISTERS): Define.
4466 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4467 (HARD_FRAME_POINTER_REGNUM): Define.
4468 (FRAME_POINTER_REGNUM): Redefine.
4469 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4470 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
4471 from FRAME_POINTER_REGNUM.
4472 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4473 FRAME_POINTER_REGNUM.
4474 (REG_CLASS_CONTENTS): Add sfp.
4475 (REG_ALLOC_ORDER): Likewise.
4476 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
4477 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4478 of frame_pointer_rtx.
4479 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4480
1ade5842
JM		 44812005-07-19 James A. Morrison <phython@gcc.gnu.org>
4482
4483 * fold-const.c (tree_expr_nonnegative_p): Only return true for
4484 ABS_EXPR when flag_wrapv is false because of INT_MIN.
4485 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4486 of an ABS_EXPR.
4487 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4488 ABS_EXPR<x>.
4489
4038c495
GB		 44902005-07-20 Giovanni Bajo <giovannibajo@libero.it>
4491
4492 Make CONSTRUCTOR use VEC to store initializers.
4493 * c-common.c (complete_array_type): Update to cope with VEC in
4494 CONSTRUCTOR_ELTS.
4495 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4496 (pp_c_constructor_elts): New function.
4497 * c-pretty-print.h (pp_c_constructor_elts): Declare.
4498 * c-typeck.c (build_function_call, build_c_cast, digest_init,
4499 struct constructor_stack, struct initializer_stack,
4500 constructor_elements, push_init_level, pop_init_level,
4501 add_pending_init, find_init_member, output_init_element): Update to
4502 cope with VEC in CONSTRUCTOR_ELTS.
4503 * coverage.c (build_fn_info_value, build_ctr_info_value,
4504 build_gcov_info): Likewise.
4505 * expr.c (categorize_ctor_elements_1, store_constructor,
4506 expand_expr_real_1): Likewise.
4507 * fold-const.c (fold_ternary): Likewise.
4508 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4509 gimplify_init_constructor, gimplify_expr): Likewise.
4510 * tree-dump.c (dequeue_and_dump): Likewise.
4511 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4512 node.
4513 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4514 CONSTRUCTOR_ELTS.
4515 * tree-sra.c (generate_element_init_1): Likewise.
4516 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4517 * tree-ssa-operands.c (get_expr_operands): Likewise.
4518 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4519 * tree-vect-transform.c (vect_get_vec_def_for_operand):
4520 (get_initial_def_for_reduction): Likewise.
4521 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4522 value handle in annotations.
4523 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4524 tree_node_structure): Add support for constr_kind.
4525 (build_vector_from_ctor, build_constructor_single,
4526 build_constructor_from_list): New functions.
4527 (build_constructor): Update to take a VEC instead of a TREE_LIST.
4528 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4529 Update to cope with VEC in CONSTRUCTOR_ELTS.
4530 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4531 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4532 CONSTRUCTOR_APPEND_ELT): New macros.
4533 (struct constructor_elt, struct tree_constructor): New data types.
4534 (union tree_node): Add tree_constructor field.
4535 * treestruct.def: Define TS_CONSTRUCTOR.
4536 * varasm.c (const_hash_1, compare_constant, copy_constant,
4537 compute_reloc_for_constant, output_addressed_constants,
4538 initializer_constant_valid_p, output_constant,
4539 array_size_for_constructor, output_constructor): Update to cope with
4540 VEC in CONSTRUCTOR_ELTS.
4541 * vec.h (VEC_empty, VEC_copy): New macros.
4542
f37d7c60
DP		 45432005-07-19 Devang Patel <dpatel@apple.com>
4544
4545 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7904f95f 4546
af62f6f9
RH		 45472005-07-19 Richard Henderson <rth@redhat.com>
4548
4549 PR tree-opt/22278
4550 * gimplify.c (gimplify_expr): Use main variant type for the temp
4551 destination for a discarded volatile read.
4552 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4553 casts between non-void types that change volatility.
4554
b9b8dde3
DD		 45552005-07-15 DJ Delorie <dj@redhat.com>
4556
4557 * toplev.h: Add comment about the first parameter for warning().
4558 * errors.h: Likewise.
4559
4560 * c.opt (Wpragmas): New.
4561 * doc/invoke.texi: Document it.
7904f95f 4562
b9b8dde3
DD		 4563 * function.c (do_warn_unused_parameter): Add warning control to
4564 warning call.
4565 * c-decl.c (warn_if_shadowing): Likewise.
4566 * c-lex.c (cb_def_pragma): Likewise.
4567 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4568 (pop_alignment): Likewise.
4569 (handle_pragma_pack): Likewise.
4570 (apply_pragma_weak): Likewise.
4571 (handle_pragma_weak): Likewise.
4572 (handle_pragma_redefine_extname): Likewise.
4573 (add_to_renaming_pragma_list): Likewise.
4574 (handle_pragma_extern_prefix): Likewise.
4575 (maybe_apply_renaming_pragma): Likewise.
4576 (handle_pragma_visibility): Likewise.
7904f95f 4577
b9b8dde3
DD		 4578 * config/c4x/c4x-c.c (BAD): Likewise.
4579 (c4x_parse_pragma): Likewise.
4580 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4581 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4582 (rs6000_pragma_longcall): Likewise.
4583 * config/v850/v850-c.c (pop_data_area): Likewise.
4584 (ghs_pragma_section): Likewise.
4585 (ghs_pragma_section): Likewise.
4586 (ghs_pragma_interrupt): Likewise.
4587 (ghs_pragma_starttda): Likewise.
4588 (ghs_pragma_startsda): Likewise.
4589 (ghs_pragma_startzda): Likewise.
4590 (ghs_pragma_endtda): Likewise.
4591 (ghs_pragma_endsda): Likewise.
4592 (ghs_pragma_endzda): Likewise.
4593
6a9a79a8
DB		 45942005-07-19 Danny Berlin <dberlin@dberlin.org>
4595 Kenneth Zadeck <zadeck@naturalbridge.com>
4596
4597 * Makefile.in: Removed tree-promote-statics.c
4598 * tree-promote-statics.c: Removed.
4599 * common.opt: Removed flag-promote-statics.
4600 * opts.c: Ditto.
7904f95f 4601 * passes.c: Removed tree-promote-statics pass.
6a9a79a8
DB		 4602 * tree-pass.h: Ditto.
4603 * timevar.def: Removed TV_PROMOTE_STATICS.
4604
4605
0219cf3d
GP		 46062005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4607
4608 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4609 and *-*-freebsd9.
4610 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7904f95f 4611
7876a414
KG		 46122005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613
4614 PR c/22476
4615 * c-common.c (check_function_arguments): Call
4616 'check_function_format' if either -Wformat or
4617 -Wmissing-format-attribute are specified.
4618 * c-format.c (check_function_format): Check -Wformat before
4619 calling 'check_format_info'.
4620 * c-opts.c (c_common_post_options): Don't warn for
4621 -Wmissing-format-attribute without -Wformat.
4622 * c-typeck.c (convert_for_assignment): Detect additional cases for
4623 -Wmissing-format-attribute.
4624 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4625 behavior.
4626
98ea7437
RG		 46272005-07-19 Richard Guenther <rguenther@suse.de>
4628
4629 * config/i386/i386.md (lrint<mode>2): Use temporary
4630 instead of clobbering non-existent memory.
4631
89a0b917
NC		 46322005-07-19 Nick Clifton <nickc@redhat.com>
4633
4634 * config/avr/avr.c (legitimate_address_p): Fix debugging print
4635 statement to avoid displaying ASCII control characters.
4636
dfea6c85
BE		 46372005-07-19 Ben Elliston <bje@au.ibm.com>
4638
4639 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4640 * cfganal.c (find_edge_index): Ditto.
4641 * combine.c (combine_instructions): Ditto.
4642 * ddg.c (create_scc): Ditto.
4643 (find_successors): Ditto.
4644 (find_predecessors): Ditto.
4645 (find_nodes_on_paths): Ditto.
4646 (longest_simple_path): Ditto.
4647 * flow.c (update_life_info): Ditto.
4648 (count_or_remove_death_notes): Ditto.
4649 (clear_log_links): Ditto.
4650 * modulo-sched.c (generate_reg_moves): Ditto.
4651 (find_max_asap): Ditto.
4652 (find_max_hv_min_mob): Ditto.
4653 (find_max_dv_min_mob): Ditto.
4654 * sbitmap.c (sbitmap_first_set_bit): Ditto.
4655 * sched-rgn.c (extract_edgelst): Ditto.
4656 * tree-into-ssa.c (prepare_names_to_update): Ditto.
4657 (dump_update_ssa): Ditto.
4658 (ssa_names_to_replace) Ditto.
4659 (switch_virtuals_to_full_rewrite): Ditto.
4660 (update_ssa): Ditto.
4661 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4662
b9d33488
DB		 46632005-07-18 Daniel Berlin <dberlin@dberlin.org>
4664
4665 Fix PR tree-optimization/22483
7904f95f 4666
b9d33488
DB		 4667 * tree-complex.c (create_components): Use
4668 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4669 * tree-flow-inline.h (fill_referenced_var_vec): New function.
4670 * tree-flow.h (safe_referenced_var_iterator): New structure.
4671 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4672 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4673 safe_referenced_var iterator.
4674 (add_type_alias): Ditto.
4675
9fa26457
SB		 46762005-07-19 Steven Bosscher <stevenb@suse.de>
4677
4678 * loop-init.c (rest_of_handle_loop2): Remove.
4679 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4680 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4681 (pass_rtl_loop_init, pass_rtl_loop_done,
4682 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4683 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4684 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4685 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4686 pass_tree_loop_done, and pass_tree_unswitch.
4687 (gate_loop): Rename to gate_tree_loop.
4688 * passes.c (init_optimization_passes): Update for renamed tree
4689 loop passes. Add the new loop2 passes as subpasses of loop2.
4690 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4691 Update for the renamed tree loop passes.
4692
7825308e
ILT		 46932005-07-18 Ian Lance Taylor <ian@airs.com>
4694
4695 PR middle-end/22057
4696 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4697 blocks when optimizing.
4698
2928d0f8
SE		 46992005-07-18 Steve Ellcey <sje@cup.hp.com>
4700
4701 * common.opt (frename-registers): Initialize to 2.
4702 (fweb): Ditto.
4703 (fgcse-after-reload): Ditto.
4704 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4705 (process_options): Only change flag_web, flag_rename_registers,
4706 and flag_rerun_cse_after_loop if not explicitly set by user.
4707
28356f52
JB		 47082005-07-18 Jan Beulich <jbeulich@novell.com>
4709
4710 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4711 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4712 in 64-bit mode the same as DImode in 32-bit mode.
4713 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4714 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7904f95f 4715 mode. Add new mode parameter.
28356f52
JB		 4716 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4717 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4718 x86_64_shift_adj): New expanders.
4719 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4720 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4721 insns.
4722 Respective new splitters. Use renamed shift splitter helpers in 32-bit
4723 DImode shift splitters.
4724 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4725 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4726 mode parameter.
4727
422edd6f
JB		 47282005-07-18 Jan Beulich <jbeulich@novell.com>
4729
4730 * i386.md (movdi_extzv_1): New.
4731 (zero_extendhidi2): Combine alternatives and never force use of
4732 REX64 prefix.
4733 (zero_extendqidi2): Likewise. Don't restrict input selection.
4734
c625053b
DB		 47352005-07-17 Daniel Berlin <dberlin@dberlin.org>
4736
4737 Fix PR tree-optimization/22531
4738 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
4739 moment.
4740
3b1355f3
DB		 47412005-07-17 Daniel Berlin <dberlin@dberlin.org>
4742
4743 * tree-promote-statics.c (pass_promote_statics): Change dump file
4744 name.
4745
47462005-07-17 Daniel Berlin <dberlin@dberlin.org>
45159bf6
DB		 4747
4748 * tree-optimize.c (init_tree_optimization_passes): Add
4749 pass_eliminate_useless_stores pass.
4750 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4751 * tree-ssa-pre.c (is_copy_stmt): New function.
4752 (follow_copies_till_vuse): Ditto.
4753 (do_eustores): Ditto.
7904f95f
EC		 4754 (gate_eustores): Ditto.
4755
7544a87f
RH		 47562005-07-16 Richard Henderson <rth@redhat.com>
4757
4758 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4759
bf0d50f1
KZ		 47602005-07-16 Danny Berlin <dberlin@dberlin.org>
4761 Kenneth Zadeck <zadeck@naturalbridge.com>
4762
4763 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4764 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4765 ipa-type-escape.h, tree-promote-statics.c
4766 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7904f95f 4767 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
bf0d50f1
KZ		 4768 tree-promote-statics.c: new files.
4769 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4770 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4771 int nonlocal_set_p, mark_constant_function): Deleted.
7904f95f 4772 (rest_of_handle_cfg): Removed call to mark_constant_function.
86979811 4773 (nonoverlapping_component_refs_p): Added calls to support
7904f95f 4774 type based aliasing.
86979811 4775 * tree-ssa-alias.c (may_alias_p,
bf0d50f1
KZ		 4776 compute_flow_insensitive_aliasing): Ditto.
4777 * calls.c (flags_from_decl_or_type): Removed reference to
7904f95f 4778 cgraph_rtl_info.
86979811 4779 * c-typeck.c (convert_arguments): Make builtins tolerant of having
bf0d50f1
KZ		 4780 too many arguments. This is necessary for Spec 2000.
4781 * cgraph.h (const_function, pure_function): Removed.
7904f95f 4782 * common.opt: Added "fipa-pure-const", "fipa-reference",
bf0d50f1
KZ		 4783 "fipa-type-escape", and "ftree-promote-static".
4784 * opts.c: Ditto.
7904f95f 4785 * passes.c: Added ipa and tree-promote-statics passes.
bf0d50f1
KZ		 4786 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4787 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
bf0d50f1 4788 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7904f95f 4789 * tree-flow.h: Added exposed sra calls and addition of
bf0d50f1
KZ		 4790 reference_vars_info field for FUNCTION_DECLS.
4791 * tree-pass.h: Added passes.
4792 * tree-sra.c: (sra_init_cache): New function.
4793 (sra_insert_before, sra_insert_after) Made public.
4794 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4795 and made public.
4796 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4797 aliasing. (may_alias_p): Added code to use type escape analysis to
4798 improve alias sets.
4799 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4800 code to prune clobbers of static variables based on information
4801 produced in ipa-reference pass. Changed call clobbering so that
4802 statics are not marked as clobbered if the call does not clobber
4803 them.
4804
b6e0bdbd
DB		 48052005-07-16 Daniel Berlin <dberlin@dberlin.org>
4806
4807 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4808 too.
4809
ff8f80f2 48102005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2c00bd42
EB		 4811
4812 * doc/install.texi (*-*-solaris2*): Document recommended version
4813 of GNU binutils and mention GNU linker problem on Solaris 10.
4814
0b359b01
JM		 48152005-07-16 Joseph S. Myers <joseph@codesourcery.com>
4816
4817 PR c/22421
4818 * c-decl.c (c_build_bitfield_integer_type): New function.
4819 (finish_struct): Call it.
4820 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4821
8fcef540
KG		 48222005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4823
4824 * c-typeck.c (digest_init): Call 'convert_for_assignment'
4825 before returning.
4826
84fc24e8
JH		 48272005-07-16 Jan Hubicka <jh@suse.cz>
4828
4829 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4830 (scale_bbs_frequencies_int): Watch roundoff errors.
4831 * predict.c (return_prediction): Initialize return_stmt.
4832
3258272f
JH		 48332005-07-16 Jan Hubicka <jh@suse.cz>
4834
4835 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4836 after RTL profiling.
4837
01c0a9fa
AP		 48382005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
4839
4840 PR middle-end/22398
4841 * fold-const.c (build_range_check): Convert high/low to etype
4842 if we are only comparing against exp.
4843
27811bfe
DB		 48442005-07-13 Daniel Berlin <dberlin@dberlin.org>
4845
4846 Fix PR tree-optimization/22376
4847 * tree-ssa-structalias.c (build_constraint_graph): We really meant
4848 special var here.
4849 (need_to_solve): New function.
4850 (compute_points_to_sets): Use it.
7904f95f 4851
2b151cb2
JH		 48522005-07-15 Jan Hubicka <jh@suse.cz>
4853
4854 * cfg.c (update_bb_profile_for_threading): More diagnostic.
4855 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4856
0691d1d4
RG		 48572005-07-15 Richard Guenther <rguenther@suse.de>
4858
4859 * c-common.c (handle_flatten_attribute): New function.
4860 Add flatten function attribute.
4861 * doc/extend.texi: Document flatten function attribute.
4862 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4863 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4864 New functions.
4865 (cgraph_decide_inlining): Handle functions with flatten
4866 attribute.
4867
9f0076e5
DE		 48682005-07-14 David Edelsohn <edelsohn@gnu.org>
4869
4870 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4871 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4872 UNSPEC_XCHG, UNSPEC_AND): New.
4873 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4874 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4875 * config/rs6000/sync.md (FETCHOP): New code macro.
4876 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4877 New code attrs.
4878 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4879 (sync_compare_and_swap<mode>): Same.
4880 (sync_lock_test_and_set<mode>): Same.
4881 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4882 for QImode and HImode, and not PPC405.
4883 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4884 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4885 (sync_<fetchop>{si,di}_internal): New.
4886 (sync_nand{si,di}_internal): New.
4887 (sync_old_<fetchop>{si,di}_internal): New.
4888 (sync_old_nand{si,di}_internal): New
4889 (sync_new_<fetchop>{si,di}_internal): New.
4890 (sync_new_nand{si,di}_internal): New.
4891 (atomic_and{si,di}): New.
4892 (sync_new_nand{si,di}_internal): New.
4893 (atomic_and{si,di}): New.
4894 (sync_add<mode>_internal): Delete.
4895 (sync_addshort_internal): Use unspec instead of unspec_volatile.
4896 (sync_sub<mode>_internal): Delte.
4897 (sync_subshort_internal): New.
4898 (sync_andsi_internal): Use unspec instead of unspec_volatile.
4899 (sync_anddi_internal): Delete.
4900 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4901 (sync_booldi_internal): Delete.
4902 (sync_boolc<mode>_internal): Delete.
4903 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4904 (sync_boolc<mode>_internal2): Delete.
4905 (sync_boolcc<mode>_internal): Delete.
4906 (isync, lwsync): Use unspec instead of unspec_volatile.
4907 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4908 Revert UNSPEC_VOLATILE.
4909 (rs6000_split_atomic_op): New.
4910 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4911
06277571
EC		 49122005-07-14 Eric Christopher <echristo@redhat.com>
4913
4914 * config/mips/mips.c (mips_canonicalize_comparison): Cast
4915 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4916
b838c72b
EC		 49172005-07-14 Eric Christopher <echristo@redhat.com>
4918
4919 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4920
3c341936
SB		 49212005-07-14 Steven Bosscher <stevenb@suse.de>
4922
4923 PR tree-optimization/22230
4924 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4925 the computation of the four cross productions for "range op range".
4926
704b6cb5 49272005-07-14 Alexandre Oliva <aoliva@redhat.com>
86979811 4928 Ulrich Weigand <uweigand@de.ibm.com>
704b6cb5
AO		 4929
4930 PR target/20126
4931 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4932 in some insn.
4933
a771c4b3
UW		 49342005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4935
4936 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4937
6f3113ed
SE		 49382005-07-14 Steve Ellcey <sje@cup.hp.com>
4939
4940 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4941
cb1119b7
RG		 49422005-07-14 Richard Guenther <rguenther@suse.de>
4943
4944 PR middle-end/22347
4945 * config/i386/i386-protos.h (ix86_function_value): Change
4946 prototype to match new target hook.
4947 * config/i386/i386.c (ix86_value_regno): Change prototype
4948 to take extra type argument.
4949 (TARGET_FUNCTION_VALUE): Define.
4950 (ix86_function_ok_for_sibcall): Pass extra argument to
4951 ix86_value_regno, check return slot rtx for exact match.
4952 (ix86_function_value): Take extra parameter. Dispatch to
4953 ix86_value_regno with fndecl/fntype as provided.
4954 (ix86_value_regno): Handle extra type argument.
4955 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4956
4957 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4958 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4959 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4960 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4961 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4962
1d636cc6
RG		 49632005-07-14 Richard Guenther <rguenther@suse.de>
4964
4965 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4966 * calls.c (expand_call): Pass fntype to hard_function_value.
4967 (emit_library_call_value_1): Likewise.
4968 * explow.c: Include target.h.
4969 (hard_function_value): Take extra argument, the fntype.
4970 Use new target hook for function_value.
4971 * expr.h (hard_function_value): Change prototype.
4972 * function.c (aggregate_value_p): Pass 0 as fntype to
4973 hard_function_value.
4974 (assign_parms): Use new target hook for function_value.
4975 Pass 0 as fntype to hard_function_value.
4976 (expand_function_end): Likewise.
4977 * reg-stack.c: Include target.h.
4978 (stack_result): Use new target hook for function_value.
4979 * target-def.h: New target hook function_value.
4980 * target.h: Likewise.
4981 * targhooks.c (default_function_value): New function.
4982 * targhooks.h (default_function_value): Declare.
4983
09d8cc0e
ILT		 49842005-07-13 Ian Lance Taylor <ian@airs.com>
4985
4986 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4987
df1f6f31
JH		 49882005-07-14 Jan Hubicka <jh@suse.cz>
4989
4990 * tree-dfa.c (dump_variable): Use default_def function.
4991 * tree-ssa-alias.c (dump_points_to_info): Likewise.
4992 * tree-ssa.c (verify_use): Likewise.
4993 * tree-ssanames.c (release_ssa_name): Likewise.
4994 * tree-tailcall.c (eliminate_tail_call): Likewise.
4995 (tree_optimize_tail_calls_1): Likewise.
4996 * tree-vrp.c (get_value_range): Likewise.
4997
9ef0b1bd
BE		 49982005-07-14 Ben Elliston <bje@au.ibm.com>
4999
5000 * gcc.c (main): Compare language[0] with '*' when iterating over
5001 the infiles.
5002
69950452
AS		 5003