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PR 30562
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2
3         PR 30562
4         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
5         Update all users.
6         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7         users.
8         (init_alias_info):
9         * tree-ssa-live.c (remove_unused_locals): Do not remove
10         TREE_ADDRESSABLE variables.
11         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
12         * tree-ssa-operands.c (add_virtual_operand): Remove argument
13         FOR_CLOBBER.  Update all users.
14         If VAR has an associated alias set, add a virtual operand for
15         it if no alias is found to conflict with the memory reference.
16
17 2007-02-07  Jan Hubicka  <jh@suse.cz>
18             Robert Kidd <rkidd@crhc.uiuc.edu>
19
20         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
21
22 2007-02-07  Ian Lance Taylor  <iant@google.com>
23
24         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
25
26 2007-02-07  Roger Sayle  <roger@eyesopen.com>
27
28         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
29         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
30         tablejumpdi, movsi_to_cr_one): Remove constraints from
31         define_expand's match_operands.
32
33 2007-02-07  Roger Sayle  <roger@eyesopen.com>
34
35         * global.c (compute_regsets): Move declatation of "i" inside of
36         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
37
38 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
39
40         PR c++/30703
41         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
42         of INDIRECT_REF <RESULT_DECL>.
43
44         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
45
46 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
47             Kaz Kojima  <kkojima@gcc.gnu.org>
48
49         PR target/29746
50         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
51         properly.
52         (sh_initialize_trampoline): Add parentheses to avoid a warning.
53
54 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
55
56         * doc/loop.texi: Document possibility not to perform disambiguation
57         of loops with multiple latches.
58         * cfgloopmanip.c (alp_enum_p): Removed.
59         (add_loop): Handle subloops.  Use get_loop_body_with_size.
60         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
61         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
62         the new forwarder block.
63         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
64         Handle the case latch is NULL.
65         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
66         when marking loop exits.
67         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
68         be modified.
69         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
70         disambiguate_loops_with_multiple_latches.
71         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
72         before fix_loop_structure.
73         * cfgloop.c: Include pointer-set.h and output.h.
74         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
75         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
76         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
77         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
78         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
79         disambiguate_multiple_latches, get_loop_body_with_size,
80         disambiguate_loops_with_multiple_latches): New functions.
81         (flow_loop_dump): Dump multiple latch edges.
82         (flow_loop_nodes_find): Handle loops with multiple latches.
83         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
84         (glb_enum_p): Modified.
85         (get_loop_body): Use get_loop_body_with_size.
86         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
87         (AVOID_CFG_MODIFICATIONS): New constant.
88         (disambiguate_loops_with_multiple_latches, add_loop,
89         get_loop_body_with_size): Declare.
90         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
91
92 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
93
94         PR inline-asm/28686
95         * global.c (compute_regsets): New function.
96         (global_alloc): Refactored ELIMINABLE_REGSET
97         and NO_GLOBAL_ALLOC_REGS computation out.
98         (rest_of_handle_global_alloc): Call compute_regsets()
99         for non-optimizing case.
100
101 2007-02-06  Richard Henderson  <rth@redhat.com>
102
103         * config/i386/constraints.md (Y2): Rename from Y.
104         (Yi): New constraint.
105         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
106         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
107         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
108         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
109         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
110         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
111         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
112         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
113         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
114         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
115         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
116         vec_extractv2si_1): Change Y constraints to Y2.
117         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
118         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
119         Change Y constraints to Y2.
120         (sse2_loadld): Change Y constraints to x.
121
122 2007-02-06  Roger Sayle  <roger@eyesopen.com>
123
124         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
125         (parity<mode>2): New define_expand using rs6000_emit_parity.
126         * config/rs6000/rs6000.c (rs6000_emit_popcount,
127         rs6000_emit_parity): New functions.
128         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
129         rs6000_emit_parity): Prototype here.
130
131 2007-02-06  Ian Lance Taylor  <iant@google.com>
132
133         * lower-subreg.c (simple_move_operand): Reject CONST.
134         (resolve_clobber): Call validate_change rather than directly
135         assigning to XEXP (pat, 0).
136
137 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
138
139         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
140         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
141         (tree-cfg.o): Remove hashtab.h dependency.
142
143         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
144         (struct ivopts_data): Change niters to pointer_map_t.
145         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
146         (niter_for_exit): Create pointer_map on demand.  Change for
147         pointer_map API.
148         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
149         (free_loop_data): Destroy data->niters if created and reset field.
150         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
151         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
152
153         * tree-ssa-reassoc.c: Include pointer-set.h.
154         (bb_rank): Change to long *.
155         (operand_rank): Change to pointer_map_t.
156         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
157         (insert_operand_rank): Accept long.
158         (operand_entry_hash, operand_entry_eq): Remove.
159         (get_rank): Return long.  Adjust for changes above.
160         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
161         and operand_rank.
162         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
163
164         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
165         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
166         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
167         is not NULL.
168         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
169         directly since it cannot be NULL.
170         (get_vi_for_tree): Rewrite for pointer_map API.
171         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
172         (init_alias_vars): Create vi_for_tree as pointer_map.
173         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
174
175         * tree-cfg.c: Don't include hashtab.h.
176         (edge_to_cases): Declare as pointer_map.
177         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
178         Delete.
179         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
180         (start_recording_case_labels): Create edge_to_cases as pointer_map.
181         (end_recoding_case_labels): Cleanup edge_to_cases manually before
182         destroying it.
183         (record_switch_edge): Delete.
184         (get_cases_for_edge): Adjust for pointer_map API, inline
185         record_switch_edge (rewritten for new API), remove goto.
186
187 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
188
189         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
190         * tree-nested.c: Include pointer-set.h.
191         (var_map_elt, var_map_eq, var_map_hash): Delete.
192         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
193         to pointer_map_t's.
194         (nesting_info_bitmap_obstack): New.
195         (lookup_field_for_decl): Adjust for pointer_map API.
196         (lookup_tramp_for_decl): Adjust for pointer_map API.
197         (get_nonlocal_debug_decl): Adjust for pointer_map API.
198         (get_local_debug_decl): Adjust for pointer_map API.
199         (convert_nl_goto_reference): Adjust for pointer_map API.
200         (convert_nl_goto_receiver): Adjust for pointer_map API.
201         (create_nesting_tree): Create outside GGC space.  Create bitmap on
202         the new obstack.  Create field_map and var_map as pointer_maps.
203         (free_nesting_tree): Adjust for changes to create_nesting_tree.
204         (root): Delete. 
205         (lower_nested_functions): Move root here, no need to NULL it.
206         Initialize and release the obstack.
207
208 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
209
210         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
211         Remove prototypes and make them non-static.
212         (struct tree_int_map): Remove.
213         * tree.h (struct tree_int_map): Move here, turning TO into an
214         unsigned int.
215         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
216
217         * tree.h (TREE_COMPLEXITY): Remove.
218         (struct tree_exp): Remove complexity field.
219         * tree.c (build1_stat): Don't set it.
220
221 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
222             Victor Kaplansky  <victork@il.ibm.com>
223
224         * tree-vectorizer.c (vect_is_simple_use): Support induction.
225         (vect_is_simple_reduction): Support reduction with induction as
226         one of the operands.
227         (vect_is_simple_iv_evolution): Fix formatting.
228         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
229         formatting.  Don't mark induction phis for vectorization.
230         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
231         * tree-vect-transform.c (get_initial_def_for_induction): New function.
232         (vect_get_vec_def_for_operand): Support induction.
233         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
234         induction case.
235         (vectorizable_reduction): Support reduction with induction as one of 
236         the operands. 
237         (vectorizable_type_demotion): Use def-type of stmt argument rather
238         than dummy def-type.
239
240         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
241         flag_tree_scev_cprop.
242         * common.opt (tree-scev-cprop): New flag.
243
244         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
245         call to vect_get_new_vect_var.
246
247 2007-02-06  Ira Rosen  <irar@il.ibm.com>
248
249         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
250         vectype is not NULL.
251         (vect_pattern_recog_1): Likewise.
252
253 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
254
255         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
256         (fold_negate_expr): Likewise.
257
258 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
259
260         PR debug/30189
261         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
262         even if cv-qualification is the same.
263
264 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
265
266         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
267         __enable_execute_stack on completion.
268
269 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
270
271         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
272         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
273         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
274         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
275         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
276         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
277         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
278         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
279
280 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
281
282         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
283         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
284         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
285         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
286         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
287         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
288         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
289         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
290         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
291         umuldi3_highpart_rex64, umulsi3_highpart_insn,
292         umulsi3_highpart_zext, smuldi3_highpart_rex64,
293         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
294         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
295         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
296         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
297         sqrtextenddfxf2_i387): Added amdfam10_decode.
298         
299         * config/i386/athlon.md (athlon_idirect_amdfam10,
300         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
301         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
302         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
303         athlon_ivector_store_amdfam10): New define_insn_reservation.
304         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
305         amdfam10.
306
307 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
308
309         * config/i386/athlon.md (athlon_call_amdfam10,
310         athlon_pop_amdfam10, athlon_lea_amdfam10): New
311         define_insn_reservation.
312         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
313         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
314         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
315
316 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
317
318         * config/i386/athlon.md (athlon_sseld_amdfam10,
319         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
320         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
321
322 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
323
324         * config/i386/athlon.md (athlon_sseins_amdfam10): New
325         define_insn_reservation.
326         * config/i386/i386.md (sseins): Added sseins to define_attr type
327         and define_attr unit.
328         * config/i386/sse.md: Set type attribute to sseins for insertq
329         and insertqi.
330
331 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
332
333         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
334         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
335         ssecomi_load_amdfam10, ssecomi_amdfam10,
336         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
337         define_insn_reservation.
338         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
339
340 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
341
342         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
343         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
344         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
345         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
346         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
347         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
348         define_insn_reservation.
349
350         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
351         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
352         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
353         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
354         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
355
356 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
357
358         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
359         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
360         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
361         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
362         athlon_ssemul_load_k8): Added amdfam10.
363
364 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
365
366         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
367         (x86_sse_unaligned_move_optimal): New variable.
368         
369         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
370         m_AMDFAM10.
371         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
372         for unaligned vector SSE double/single precision loads for AMDFAM10.
373
374 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
375
376         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
377         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
378         Define TARGET_CPU_DEFAULT_amdfam10.
379         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
380         (processor_type): Add PROCESSOR_AMDFAM10.       
381         
382         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
383         processor_type in config/i386/i386.h.
384         Enable imul peepholes for TARGET_AMDFAM10.
385         
386         * config.gcc: Add support for --with-cpu option for amdfam10.
387         
388         * config/i386/i386.c (amdfam10_cost): New variable.
389         (m_AMDFAM10): New macro.
390         (m_ATHLON_K8_AMDFAM10): New macro.
391         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
392         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
393         x86_promote_QImode, x86_integer_DFmode_moves,
394         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
395         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
396         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
397         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
398         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
399         Enable/disable for amdfam10.
400         (override_options): Add amdfam10_cost to processor_target_table.
401         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
402         processor_alias_table.
403         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
404         (ix86_adjust_cost): Add code for amdfam10.
405
406 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
407         
408         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
409         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
410         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
411         * config/i386/i386.h: Add builtin definition for SSE4A.
412         * config/i386/i386.md: Add support for ABM instructions 
413         (popcnt and lzcnt).
414         * config/i386/sse.md: Add support for SSE4A instructions
415         (movntss, movntsd, extrq, insertq).
416         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
417         Add -march=amdfam10 flag.
418         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
419         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
420         and amdfam10.
421         * doc/extend.texi: Add documentation for SSE4A builtins.
422
423 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
424
425         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
426
427 2007-02-05  Richard Guenther  <rguenther@suse.de>
428
429         * tree-vectorizer.h (vectorizable_function): Add argument type
430         argument, change return type.
431         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
432         * tree-vect-transform.c (vectorizable_function): Handle extra
433         argument, return vectorized function decl.
434         (build_vectorized_function_call): Remove.
435         (vectorizable_call): Handle calls with result and argument types
436         differing.  Handle loop vectorization factor correctly.
437         * targhooks.c (default_builtin_vectorized_function): Adjust for
438         extra argument.
439         * targhooks.h (default_builtin_vectorized_function): Likewise.
440         * target.h (builtin_vectorized_function): Add argument type
441         argument.
442         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
443         extra argument, allow vectorizing of lrintf.
444         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
445         documentation of target hook.
446
447 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
448
449         PR target/30665
450         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
451         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
452         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
453
454 2007-02-05  Roger Sayle  <roger@eyesopen.com>
455
456         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
457         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
458         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
459         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
460         before canonicalizing sincos to cexpi.
461         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
462
463 2007-02-05  Roger Sayle  <roger@eyesopen.com>
464
465         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
466         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
467         (alpha_init_builtins): Use alpha_add_builtins to process tables.
468
469 2007-02-05  Roger Sayle  <roger@eyesopen.com>
470
471         * mips-tfile.c (initialize_init_file): Correct endianness test.
472
473 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
474
475         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
476         the 'y' constraint.
477
478 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
479
480         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
481         saves in a PARALLEL before the register assignments.
482
483 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
484
485         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
486         DWARF_FRAME_RETURN_COLUMN to be a general register.
487         * dwarf2out.c (init_return_column_size): New function, split from...
488         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
489         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
490         to be nongeneral registers.
491         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
492         integer registers.
493         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
494         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
495
496 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
497
498         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
499
500 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
501
502         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
503         (remove_path): Use can_remove_branch_p and remove_branch instead
504         of loop_delete_branch_edge.
505         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
506         (tree_transform_and_unroll_loop): Remove dead branches immediately.
507         Update profile using scale_dominated_blocks_in_loop.
508         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
509         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
510         (can_remove_branch_p, remove_branch): Declare.
511         * tree-cfg.c (tree_can_remove_branch_p): New function.
512         (tree_cfg_hooks): Add tree_can_remove_branch_p.
513         * cfgrtl.c (rtl_can_remove_branch_p): New function.
514         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
515
516 2007-02-05  Jan Hubicka  <jh@suse.cz>
517
518         PR middle-end/30696
519         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
520         nodes in cgraph, don't remove offline copy of the function.
521
522 2007-02-04  Jan Hubicka  <jh@suse.cz>
523
524         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
525         vectors might cause maybe_lookup_element_for_expr to be called
526         on non-sra-candidate.
527
528 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
529
530         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
531         config/bfin/bfin.md, config/bfin/predicates.md: Follow
532         spelling conventions.
533
534 2007-02-04  Richard Guenther  <rguenther@suse.de>
535
536         PR middle-end/30636
537         * fold-const.c (try_move_mult_to_index): Make sure to not
538         overflow one dimension of a multi-dimensional array access.
539
540 2007-02-04  Jan Hubicka  <jh@suse.cz>
541
542         * passes.c (init_optimization_passes): Reindent.
543
544 2007-02-04  Jan Hubicka  <jh@suse.cz>
545             Eric Botcazou  <ebotcazou@adacore.com>
546
547         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
548         (execute_fixup_cfg): Break out the abnormal goto code.
549         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
550         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
551         (optimize_inline_calls): Call make_nonlocal_label_edges.
552
553 2007-02-04  Jan Hubicka  <jh@suse.cz>
554
555         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
556         true when something was changed.
557         (rename_ssa_copies): When something was changed, do
558         TODO_remove_unused_locals.
559         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
560         add TODO_remove_unused_locals when instruction was removed.
561
562 2007-02-04  Jan Hubicka  <jh@suse.cz>
563
564         * ipa-inline.c (try_inline): Improve debug output; work on already
565         inline edges too.
566         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
567         call try_inline for already inlined edges too when flattening; 
568         inline also functions that make callee growth but overall unit size
569         reduce.
570
571 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
572
573         * config/m32c/bitops.md, config/m32c/jump.md,
574         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
575         config/m32r/m32r.h, config/m32r/m32r.md,
576         config/m32r/predicates.md, config/m68hc11/larith.asm,
577         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
578         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
579         config/mips/mips-protos.h, config/mips/mips.c,
580         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
581         config/mn10300/mn10300.h, config/mn10300/predicates.md,
582         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
583         spelling conventions.
584
585         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
586         Follow spelling conventions.
587
588 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
589
590        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
591        warn about C++0x compatibility.
592         
593 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
594
595         * config/h8300/h8300.c, config/h8300/h8300.h,
596         config/h8300/h8300.md: Follow spelling conventions.
597
598 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
599
600         PR middle-end/30667
601         * combine.c (try_combine): Do not substitute source operand
602         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
603
604 2007-02-03  Jan Hubicka  <jh@suse.cz>
605
606         PR gcov-profile/30650
607         * value-prof.c (stringop_block_profile): Fix handling of size counter;
608         do not divide by zero for never executed counters.
609         (tree_find_values_to_profile): Fix counters.
610         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
611
612 2007-02-03  Ian Lance Taylor  <iant@google.com>
613
614         * lower-subreg.c (simple_move_operand): New static function,
615         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
616         operands.
617         (simple_move): Call simple_move_operand.
618         (find_decomposable_subregs): Add special handling of MEMs.
619         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
620         meaning of return value.  If we see a hard register, test whether
621         it can store a word_mode value.  Change all callers.
622
623 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
624
625         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
626         ftrapv insns and expanders.
627         (subdi3): Change define_expand operand 1 to arith11_operand, and
628         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
629         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
630         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
631         respectively.
632
633         PR middle-end/30174
634         * varasm.c (notice_global_symbol): Treat global objects as weak when
635         flag_shlib is true.
636
637 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
638
639         * emit-rtl.c (dconstpi): Delete.
640         (dconstsqrt2): New.
641         (init_emit_once): Delete dconstpi and init dconstsqrt2.
642         * real.h (dconstpi): Delete.
643         (dconstsqrt2): New.
644         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
645         (fold_builtin_hypot): Likewise.
646
647 2007-02-03  Tom Tromey  <tromey@redhat.com>
648
649         PR driver/30246
650         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
651         -gcoff3, -gxcoff3, -gvms3 implies -dD.
652
653 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
654
655         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
656         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
657         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
658         config/rs6000/cell.md, config/rs6000/darwin.h,
659         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
660         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
661         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
662         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
663         typos.  Follow spelling conventions.
664         * doc/invoke.texi: Follow spelling conventions.
665
666 2007-02-03  Roger Sayle  <roger@eyesopen.com>
667
668         * simplify-rtx.c (simplify_relational_operation_1): Implement some
669         canonicalization transformations that attempt to simplify integer
670         constant comparisons to become comparisons against zero.
671
672 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
673
674         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
675         fabs(x)*sqrt(2).
676         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
677         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
678
679 2007-02-02  Mike Stump  <mrs@apple.com>
680
681         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
682         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
683         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
684         generate a branch island.
685
686 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
687
688         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
689         (xtensa_legitimate_address_p): New.
690         (xtensa_legitimize_address): New.
691         (xtensa_output_addr_const_extra): New.
692         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
693         (BASE_REG_P): New.
694         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
695         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
696         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
697         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
698         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
699         (xtensa_legitimize_address): New.
700         (xtensa_output_addr_const_extra): New.
701
702 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
703
704         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
705
706 2007-02-02  Ian Lance Taylor  <iant@google.com>
707
708         * expmed.c (expand_divmod): Add comment.
709
710 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
711
712         * emit-rtl.c (renumber_insns): Remove.
713         * flags.h: Remove the extern for flag_renumber_insns.
714         * rtl.h: Remove the prototype for renumber_insns.
715         * toplev.c (flag_renumber_insns): Remove.
716
717 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
718
719         Revert for x86 darwin:
720         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
721         
722         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
723         code before the following patch under TARGET_MACHO.
724         (ix86_function_value_regno_p): Likewise.
725
726 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
727
728         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
729         COMPLEX_EXPR.
730
731 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
732
733         PR target/29682
734         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
735         general or fp registers.  Add comments.
736         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
737
738 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
739
740         * pointer-set.c (insert_aux): Only return insertion slot.
741         (pointer_set_insert): Adjust.
742         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
743         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
744         pointer_map_traverse): New.
745         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
746         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
747         pointer_map_contains, pointer_map_traverse): Declare.
748
749 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
750
751         PR middle-end/30473
752         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
753         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
754
755 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
756
757         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
758         
759         (struct _dep): New type.
760         (dep_t): New typedef.
761         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
762         (DEP_STATUS): New access macro.  The macro with the same name was
763         renamed to DEP_LINK_STATUS.
764         (dep_init): Declare function
765
766         (struct _dep_link): New type.
767         (dep_link_t): New typedef.
768         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
769         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
770         (DEP_LINK_STATUS): New macro.
771         (debug_dep_links): New debug function.
772
773         (struct _deps_list): New type.
774         (deps_list_t): New typedef.
775         (DEPS_LIST_FIRST): New access macro.
776         (FOR_EACH_DEP_LINK): New cycle macro.
777         (create_deps_list, free_deps_list, delete_deps_list): Declare
778         functions.
779         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
780         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
781         (copy_deps_list_change_con): Ditto.
782
783         (move_dep_link): Declare function.
784
785         (struct _dep_node): New type.
786         (dep_node_t): New typedef.
787         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
788
789         (struct haifa_insn_data.back_deps): New field to hold backward
790         dependencies of the insn.
791         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
792         to deps_list_t.
793         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
794         Change its type to deps_list_t.
795         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
796         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
797         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
798
799         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
800         
801         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
802
803         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
804         all callers.
805         (dep_cost): Declare.
806         
807         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
808         (ds_to_dk, dk_to_ds): New functions.
809         
810         (init_dep_1): New static function.
811         (init_dep): New function.
812         (copy_dep): New static function.
813         
814         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
815         functions.
816         (detach_dep_link): New static function.
817         (move_dep_link): New function.
818         
819         (dep_links_consistent_p, dump_dep_links): New static functions.
820         (debug_dep_links): New debugging function.
821         
822         (deps_obstack, dl_obstack, dn_obstack): New static variables.
823         
824         (alloc_deps_list, init_deps_list): New static functions.
825         (create_deps_list): New function.
826         (clear_deps_list): New static function.
827         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
828         (deps_list_consistent_p, dump_deps_list): New static functions.
829         (debug_deps_list): New function.
830         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
831         functions.
832         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
833
834         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
835         use new scheduler dependencies lists.
836         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
837         (sched_analyze): Ditto.  Initialize dependencies lists.
838         (add_forw_dep, compute_forward_dependences): Update to use new
839         scheduler dependencies lists.
840         
841         (init_dependency_caches): Init deps_obstack.
842         (free_dependency_caches): Free deps_obstack.
843         
844         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
845         new scheduler dependencies lists.
846         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
847         (add_back_forw_dep, delete_back_forw_dep): Ditto.
848
849         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
850         Update to use new scheduler dependencies lists.
851         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
852         (debug_dependencies): Ditto.
853         (schedule_region): Update comments.
854         
855         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
856         scheduler dependencies lists.
857         (schedule_ebb): Update comments.
858         
859         * rtl.def (DEPS_LIST): Remove.
860         
861         * lists.c (unused_deps_list): Remove.
862         (free_list): Update assertions.
863         
864         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
865         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
866
867         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
868         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
869         
870         * haifa-sched.c (comments): Update.
871         (insn_cost1): Remove.  Inline the code into insn_cost ().
872         (insn_cost): Update to use new scheduler dependencies lists.  Move
873         processing of the dependency cost to dep_cost ().
874         (dep_cost): New function.  Use it instead of insn_cost () when
875         evaluating cost of the dependency.  Use compatible interface to
876         interact with the target.
877         (priority): Update to use new scheduler dependencies lists.
878         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
879         with greater number of insns that depend on the insn.
880         (schedule_insn): Update to use new scheduler dependencies lists.  Add
881         code to free backward dependencies lists.  Inline and optimize code
882         from resolve_dep () - see PR28071.
883         (ok_for_early_queue_removal): Update to use new scheduler dependencies
884         lists.  Update call to targetm.sched.is_costly_dependence hook.
885         
886         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
887         scheduler dependencies lists.
888         
889         (resolve_dep): Remove.  Move the logic to schedule_insn ().
890         (init_h_i_d): Initialize dependencies lists.
891         
892         (process_insn_depend_be_in_spec): Rename to
893         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
894         dependencies lists.
895         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
896         Update to use new scheduler dependencies lists.
897         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
898         
899         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
900         new scheduler dependencies lists.
901         (build_intra_loop_deps): Ditto.
902         
903         * target.h (struct _dep): Declare to use in
904         gcc_target.sched.is_costly_dependence.
905         (struct gcc_target.sched.adjust_cost): Fix typo.
906         (struct gcc_target.sched.is_costly_dependence): Change signature to use
907         single dep_t parameter instead of an equivalent triad.
908         (struct gcc_target.sched.adjust_cost_2): Remove.
909
910         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
911
912         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
913
914         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
915         documentation.
916         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
917
918         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
919         (REG_DEP_TRUE): Document.
920         
921         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
922         Change signature to correspond to the targetm.sched.adjust_cost hook.  
923         Update use in TARGET_SCHED_ADJUST_COST_2.
924         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
925         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
926         new scheduler dependencies lists.
927         (ia64_gen_check): Ditto.
928
929         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
930         dependencies lists.
931         
932         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
933         signature to correspond to the targetm.sched.is_costly_dependence hook.
934         (is_costly_group): Update to use new scheduler dependencies lists.
935
936         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
937         instead of INSN_COST () macro.
938
939 2007-02-01  Ian Lance Taylor  <iant@google.com>
940
941         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
942
943 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
944
945         * pa.md (tp_load): Correct mfctl instruction syntax.
946
947 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
948
949         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
950         altivec_padding_size calculation on AIX.  Improve comment, add
951         assert to verify that it's right.
952
953         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
954         64-bit.
955
956 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
957
958         PR inline-asm/28686
959         * global.c (global_alloc): Add mising initialization of
960         ELIMINABLE_REGSET.
961
962 2007-02-01  Roger Sayle  <roger@eyesopen.com>
963
964         * alias.c (init_alias_analysis): Correct whitespace.
965         * bb-reorder.c (fix_edges_for_rarely_executed_code,
966         partition_hot_cold_basic_blocks): Likewise.
967         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
968         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
969         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
970         fold_builtin_snprintf_chk, fold_builtin_printf,
971         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
972         do_mpfr_arg3, do_mpfr_sincos): Likewise.
973         * cfgcleanup.c (cleanup_cfg): Likewise.
974         * cfgexpand.c (tree_expand_cfg): Likewise.
975         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
976         * function.c (get_next_funcdef_no): Likewise.
977         * gengtype.c (main): Likewise.
978         * genmodes.c (main): Likewise.
979         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
980         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
981         * ifcvt.c (noce_emit_move_insn): Likewise.
982         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
983         Likewise.
984         * stor-layout.c (get_best_mode): Likewise.
985         * tree-ssa-loop-niter.c (get_val_for): Likewise.
986         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
987         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
988         perform_var_substitution, solve_graph): Likewise.
989         * tree-vrp.c (vrp_finalize): Likewise.
990
991 2007-02-01  Ian Lance Taylor  <iant@google.com>
992
993         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
994         high part of a paradoxical subreg, return a constant zero.
995
996 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
997
998         * toplev.c (lang_dependent_init): Call init_set_costs.
999         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1000
1001 2007-02-01  Richard Guenther  <rguenther@suse.de>
1002
1003         PR middle-end/30656
1004         * fold-const.c (fold_negate_expr): Allow negating a
1005         constant if overflow does not change.
1006
1007 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1008
1009         * doc/c-tree.texi (Expression trees): Improve markup.
1010         * doc/tm.texi (Register Classes, Addressing Modes)
1011         (Floating Point): Fix spacing after abbreviations.  Fix some
1012         typos.
1013
1014 2007-02-01  Ben Elliston  <bje@au.ibm.com>
1015
1016         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1017         * doc/contrib.texi: Likewise.
1018         * doc/install.texi: Likewise.
1019
1020 2007-01-31  Richard Henderson  <rth@redhat.com>
1021             Ian Lance Taylor  <iant@google.com>
1022
1023         * lower-subreg.c: New file.
1024         * rtl.def (CONCATN): Define.
1025         * passes.c (init_optimization_passes): Add pass_lower_subreg and
1026         pass_lower_subreg2.
1027         * emit-rtl.c (update_reg_offset): New static function, broken out
1028         of gen_rtx_REG_offset.
1029         (gen_rtx_REG_offset): Call update_reg_offset.
1030         (gen_reg_rtx_offset): New function.
1031         * regclass.c: Revert patch of 2006-03-05, restoring
1032         reg_scan_update.
1033         (clear_reg_info_regno): New function.
1034         * dwarf2out.c (concatn_loc_descriptor): New static function.
1035         (loc_descriptor): Handle CONCATN.
1036         * common.opt (fsplit_wide_types): New option.
1037         * opts.c (decode_options): Set flag_split_wide_types when
1038         optimizing.
1039         * timevar.def (TV_LOWER_SUBREG): Define.
1040         * rtl.h (gen_reg_rtx_offset): Declare.
1041         (reg_scan_update): Declare.
1042         * regs.h (clear_reg_info_regno): Declare.
1043         * tree-pass.h (pass_lower_subreg): Declare.
1044         (pass_lower_subreg2): Declare.
1045         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1046         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
1047         -fsplit-wide-types.
1048         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1049         * Makefile.in (OBJS-common): Add lower-subreg.o.
1050         (lower-subreg.o): New target.
1051
1052 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1053
1054         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1055
1056 2007-01-31  Anatoly Sokolov <aesok@post.ru>
1057
1058         PR target/19087
1059         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1060
1061 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1062
1063         PR middle-end/29335
1064         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1065
1066 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
1067
1068         * cfgloop.h: Include vec-prim.h.
1069         (enum li_flags): Remove LI_ONLY_OLD.
1070         (loop_iterator): Changed.
1071         (fel_next, fel_init): Iterate over loop tree.
1072         (FOR_EACH_LOOP_BREAK): New macro.
1073         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1074         FOR_EACH_LOOP.
1075         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1076         * modulo-sched.c (sms_schedule): Ditto.
1077         * tree-vectorizer.c (vectorize_loops): Ditto.
1078         * doc/loop.texi: Update information on loop numbering and behavior of
1079         FOR_EACH_LOOP wrto new loops.
1080         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1081         add_to_evolution_1): Test nestedness of loops instead of comparing
1082         their numbers.
1083         * tree-chrec.c (chrec_fold_plus_poly_poly,
1084         chrec_fold_multiply_poly_poly, chrec_evaluate,
1085         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1086         reset_evolution_in_loop): Ditto.
1087         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1088
1089 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1090
1091         * c-common.c (warn_about_parentheses): Separate warning about
1092         un-parenthized sequence of comparison operators from the one
1093         which is supposed to warn about x <= y <= z.
1094
1095 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1096
1097         * optabs.h (enum optab_index): Add new OTI_isinf.
1098         (isinf_optab): Define corresponding macro.
1099         * optabs.c (init_optabs): Initialize isinf_optab.
1100         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1101         patterns.
1102         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1103         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1104         using isinf_optab.
1105         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1106         expand_builtin_interclass_mathfn.
1107         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1108         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1109         (fxam<mode>2_i387): New insn pattern.
1110         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1111         built-in functions as x87 inline asm.
1112
1113 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1114
1115         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1116
1117 2007-01-30  Eric Christopher  <echristo@apple.com>
1118
1119         * config.gcc: Add geode.
1120
1121 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1122
1123         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1124         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1125         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1126         value-prof.c: Fix comment typos.
1127
1128 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1129
1130         PR c++/24745
1131         * doc/invoke.texi (Wpointer-arith): Document warning.
1132
1133 2007-01-30  Janis Johnson
1134
1135         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1136         the list of discrepancies from the draft TR.
1137
1138 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1139
1140         PR c++/30601
1141         * doc/invoke.texi (-Wreturn-type): Update description to
1142         match new behavior.
1143
1144 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1145
1146         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1147
1148 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1149
1150         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1151         to handle optabs that operate on floating point input argument and
1152         output to integer output.
1153         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1154         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1155         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1156         expand_builtin_interclass_mathfn ().
1157         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1158         (ilogbsi2): Remove.
1159         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1160         ilogbl built-in functions as x87 intrinsics.
1161
1162 2007-01-30  Richard Guenther  <rguenther@suse.de>
1163
1164         PR middle-end/27657
1165         * dwarf2out.c (reference_to_unused): Query varpool if the
1166         variable was output.
1167
1168 2007-01-30  Richard Guenther  <rguenther@suse.de>
1169
1170         PR middle-end/30313
1171         * passes.c (execute_one_pass): Reset in_gimple_form to not
1172         confuse non-unit-at-a-time mode.
1173
1174 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1175             Richard Guenther  <rguenther@suse.de>
1176
1177         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1178         avoid undefined behaviour on overflow.  Use force_fit_type_double
1179         to construct the constant with the specified TREE_OVERFLOW.
1180
1181 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1182
1183         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1184         * config/dfp-bit.h: Ditto.
1185
1186 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1187
1188         * c-decl.c (pop_scope): Replace warnings with call to
1189         warn_for_unused_label.
1190         * c-common.h (warn_for_unused_label): Declare.
1191         * c-common.c (warn_for_unused_label): Define.
1192
1193 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1194
1195         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1196         function.
1197
1198 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1199
1200         * Makefile.in (USER_H): Remove decfloat.h.
1201         * ginclude/decfloat.h: Delete, moving contents to ...
1202         * ginclude/float.h: Add support for decimal floating point,
1203         guarded by __STDC_WANT_DEC_FP__.
1204
1205 2007-01-29  Mike Stump  <mrs@apple.com>
1206
1207         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1208         Analysis and Representation to resolve case insensitive conflict.
1209         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1210
1211 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1212
1213         * tree.h (struct tree_memory_tag): Add aliases member.
1214         (MTAG_ALIASES): New macro.
1215         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1216         (add_may_alias): Remove pointer-set. Update for may_aliases being
1217         a bitmap.
1218         (mark_aliases_call_clobbered): Update for may_aliases being a
1219         bitmap.
1220         (compute_tag_properties): Ditto.
1221         (create_partition_for): Ditto.
1222         (compute_memory_partitions): Ditto.
1223         (dump_may_aliases_for): Ditto.
1224         (is_aliased_with): Ditto.
1225         (add_may_alias_for_new_tag): Ditto.
1226         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1227         (compute_is_aliased): New function.
1228         (compute_may_aliases): Call compute_is_aliased).
1229         (init_alias_info): Initialize alias_bitmap_obstack.
1230         (union_alias_set_into): New function.
1231         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1232         (have_common_aliases_p): Rewrite to take two bitmaps and use
1233         intersection.
1234         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1235         Update for bitmaps.
1236         (finalize_ref_all_pointers): Update for add_may_alias changes.
1237         (new_type_alias): Ditto.
1238         * tree-flow-inline.h (may_aliases): Return a bitmap.
1239         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1240         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1241         may_aliases being a bitmap.
1242         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1243         may_aliases now returns a bitmap.
1244         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1245         being a bitmap.
1246         * tree-ssa-operands.c (add_virtual_operand): Update for
1247         may_aliases being a bitmap.
1248
1249 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1250
1251         PR tree-optimization/30630
1252         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1253         variable as changed.
1254
1255 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1256
1257         PR c++/28266
1258         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1259         expanded only once even if an error occurs.
1260
1261 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1262
1263         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1264         (__gcov_average_profiler): Likewise.
1265         (__gcov_ior_profiler): Likewise.
1266         (__gcov_merge_ior): Likewise.
1267
1268 2007-01-28  Jan Hubicka  <jh@suse.cz>
1269
1270         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1271         * value-prof.c (stringop_block_profile): Likewise.
1272
1273 2007-01-28  Jan Hubicka  <jh@suse.cz>
1274
1275         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1276         variant handling histograms; add wrapper.
1277         (clear_storage_via_libcall): Export.
1278         (emit_block_move_hints): Break out from ...; add histograms.
1279         (emit_block_move): ... this one.
1280         (clear_storage_hints): Break out from ...; add histograms.
1281         (clear_storage): ... this one.
1282         (set_storage_via_memset): Handle histogram.
1283         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1284         (clear_storage_hints, clear_storage_via_libcall): Declare.
1285         (set_storage_via_setmem): Update prototype.
1286         * doc/md.texi (movmem, setmem): Document new arguments.
1287
1288         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1289         new histograms.
1290         (stringop_block_profile): New global function.
1291         (tree_stringops_values_to_profile): Profile block size and alignment.
1292         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1293         HIST_TYPE_IOR.
1294         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1295         (stringop_block_profile): Declare.
1296         * builtins.c: Include value-prof.h.
1297         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1298         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1299         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1300         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1301         * profile.c (instrument_values): Add new counters.
1302         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1303         calls.
1304         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1305         (tree_init_edge_profiler): Build new profilers.
1306         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1307         (pass_tree_profile): Add dump.
1308         (tree_profile_hooks): Update.
1309         * Makefile.in (LIBGCOV): Add new constants.
1310         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1311         __gcov_ior_profiler): New.
1312         * i386.md (movmem/setmem expanders): Add new optional arguments.
1313
1314 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1315
1316         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1317
1318 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1319
1320         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1321         (tree_unswitch_single_loop): Pass eni_size_weights to
1322         tree_num_loop_insns.
1323         * tree-ssa-loop-manip.c: Include tree-inline.h.
1324         (can_unroll_loop_p): Pass eni_size_weights to
1325         tree_num_loop_insns.
1326         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1327         Pass eni_size_weights to estimate_num_insns.
1328         * tree.h (init_inline_once): Export.
1329         * toplev.c (backend_init): Call init_inline_once.
1330         * cgraphunit.c (cgraph_process_new_functions,
1331         cgraph_analyze_function): Pass eni_inlining_weights to
1332         estimate_num_insns.
1333         * ipa-inline.c (compute_inline_parameters): Ditto.
1334         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1335         to estimate_num_insns.
1336         (try_unroll_loop_completely): Pass eni_size_weights to
1337         tree_num_loop_insns.
1338         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1339         ot estimate_num_insns.
1340         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1341         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1342         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1343         eni_time_weights): New variables.
1344         (init_inline_once): Initialize them.
1345         (struct eni_data): Mew.
1346         (estimate_num_insns_1, estimate_num_insns): Use weights.
1347         * tree-inline.h (struct eni_weights_d): New.
1348         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1349         (estimate_num_insns): Declaration changed.
1350         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1351         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1352         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1353
1354 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1355
1356         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1357         relations in the conflict function is valid.
1358
1359 2007-01-27  Ian Lance Taylor  <iant@google.com>
1360
1361         * common.opt: Add fstrict-overflow.
1362         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1363         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1364         (TYPE_OVERFLOW_UNDEFINED): Define.
1365         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1366         Replace all uses.
1367         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1368         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1369         (fold_negate_expr): Likewise.
1370         (make_range): Likewise.
1371         (extract_muldiv_1): Likewise.
1372         (maybe_canonicalize_comparison): Likewise.
1373         (fold_comparison): Likewise.
1374         (fold_binary): Likewise.
1375         (tree_expr_nonnegative_p): Likewise.
1376         (tree_expr_nonzero_p): Likewise.
1377         * tree-vrp.c (compare_values): Likewise.
1378         (extract_range_from_binary_expr): Likewise.
1379         (extract_range_from_unary_expr): Likewise.
1380         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1381         Likewise.
1382         (nowrap_type_p): Likewise.
1383         * tree-scalar-evolution.c (simple_iv): Likewise.
1384         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1385         (build_range_check): Likewise.
1386         (extract_muldiv_1): Likewise.
1387         (fold_comparison): Likewise.
1388         * tree-vrp.c (vrp_int_const_binop): Likewise.
1389         (extract_range_from_unary_expr): Likewise.
1390         * convert.c (convert_to_integer): Likewise.
1391         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1392         (fold_comparison): Likewise.
1393         (fold_binary): Likewise.
1394         * optabs.c (optab_for_tree_code): Likewise.
1395         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1396         * simplify-rtx.c (simplify_const_relational_operation): Check
1397         flag_strict_overflow and flag_trapv.
1398         (simplify_const_relational_operation): Likewise.
1399         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1400         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1401         -fstrict-overflow.
1402
1403 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1404
1405         * tree.c (tree_fold_gcd): Delete.
1406         * tree.h (tree_fold_gcd): Remove prototype.
1407         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1408         test whether one constant integer is a multiple of another.  Instead
1409         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1410         * fold-const.c (multiple_of_p):  We've determined both TOP and
1411         BOTTOM are integer constants so we can call int_const_binop directly
1412         instead of the more generic const_binop.
1413
1414 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1415
1416         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1417         1*X check that the constant hasn't overflowed, to preserve the
1418         TREE_OVERFLOW bit.
1419         (round_up): Provide an efficient implementation when rouding-up an
1420         INTEGER_CST to a power-of-two.
1421
1422 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1423
1424         * doc/sourcebuild.texi: Add comma for clarity.
1425         * doc/extend.texi: Fix some typos.
1426         * doc/passes.texi: Likewise.
1427         * doc/cppinternals.texi: Likewise.
1428         * doc/c-tree.texi: Likewise.
1429         * doc/tree-ssa.texi: Likewise.
1430         * doc/install.texi: Likewise.
1431
1432 2007-01-27  Jan Hubicka  <jh@suse.cz>
1433
1434         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1435         (pass_sra): Do not require alias information.
1436         * passes.c (init_optimization_passes): Add SRA
1437
1438 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
1439
1440         * tracer.c (rest_of_handle_tracer): We already cleaned
1441         up the CFG in tracer() so don't do it here again.
1442         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1443         cleanup_cfg here, either.  And don't call renumber_insns.
1444
1445         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1446         and BB_HEAD are in the insn stream here.  Instead make sure
1447         that BB_INSN is valid on all insns.  Also, do check here that
1448         there are no pending branch predictions...
1449         (rtl_verify_flow_info): ...instead of doing it here.  Checks
1450         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1451         here.
1452
1453 2007-01-26  Roger Sayle  <roger@eyesopen.com>
1454
1455         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1456         function to simplify/factorize operand order canonicalization.
1457         (ix86_fixup_binary_operands): Reorganize using the above function.
1458         (ix86_binary_operator_ok): Likewise.
1459
1460 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
1461
1462         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1463         file scope from optimize_attrs.
1464         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1465         up search.
1466         (optimize_attrs): Clear insn_code_values after freeing it.
1467
1468 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1469
1470         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1471         a parts.base assignment.
1472
1473 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1474
1475         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1476         (compute_subscript_distance, initialize_data_dependence_relation,
1477         finalize_ddr_dependent, analyze_ziv_subscript,
1478         analyze_siv_subscript_cst_affine,
1479         compute_overlap_steps_for_affine_univar,
1480         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1481         analyze_siv_subscript, analyze_miv_subscript,
1482         analyze_overlapping_iterations, subscript_dependence_tester_1,
1483         compute_self_dependence, free_dependence_relation): Work
1484         with affine_fn instead of chrecs.
1485         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1486         common_affine_function, affine_function_base,
1487         affine_function_constant_p, affine_fn_op, affine_fn_plus,
1488         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1489         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1490         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1491         (all_chrecs_equal_p): Removed.
1492         * tree-data-ref.h (affine_fn, conflict_function): New types.
1493         (struct subscript): Change type of conflicting_iterations_in_a
1494         and conflicting_iterations_in_b.
1495
1496 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
1497
1498         PR other/30182
1499         * config/pa/pa.h (TARGET_HPUX_11): New.
1500         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1501         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1502
1503 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
1504         Richard Guenther  <rguenther@suse.de>
1505
1506         * tree-ssa-structalias.c (solve_graph): Handle case
1507         we merged the variable to another.
1508
1509 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1510
1511         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1512         functions.
1513
1514         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1515         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1516
1517 2007-01-25  DJ Delorie  <dj@redhat.com>
1518
1519         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1520         allow changes to modes which don't fit in those registers.
1521
1522         * reload1.c (choose_reload_regs): Check for invalid subregs before
1523         computing their locations, not after.
1524
1525 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
1526
1527         PR 25127
1528         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1529         save Altivec registers in an eh_return function.
1530         (compute_vrsave_mask): Likewise.
1531         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1532         for saving Altivec registers.
1533         (rs6000_emit_prologue): Don't allocate stack twice in
1534         eh_return function.  Correct expected value of altivec_save_offset
1535         when using save_world.  Describe save of R0 to stack when using
1536         save_world.  Describe stack pointer adjustment when using
1537         save_world.  Remove duplicated eh_return parameter register saving.
1538         Update sp_offset variable after save_world.
1539         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1540         darwin-world.asm.
1541         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1542         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1543         implies Altivec.
1544
1545 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1546
1547         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1548
1549 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1550
1551         PR other/30182
1552         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1553         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
1554
1555 2007-01-25  Richard Guenther  <rguenther@suse.de>
1556
1557         * doc/invoke.texi (-Wcoverage-mismatch): Document.
1558         * common.opt (-Wcoverage-mismatch): New warning option.
1559         * coverage.c (get_coverage_counts): Ignore coverage mismatch
1560         if -Wcoverage-mismatch is given.
1561
1562 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
1563
1564         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1565         (ipcp_driver): Change to static definition.
1566         Add dumping of the ifunctions.
1567         (constant_val_insert): Remove unused parameter. Support for SSA.
1568         (ipcp_propagate_const): Support for SSA.
1569         (ipcp_profile_bb_print): Print only analyzed nodes.
1570         (ipcp_replace_map_create): Remove support for Fortran constant
1571         for now.
1572         * ipa-prop.c (ipa_method_modify_stmt,
1573         ipa_callsite_compute_param): Support for SSA.
1574         * ipa-prop.h (ipcp_driver): Remove declaration.
1575         (IS_VALID_TREE_MAP_INDEX): Add define.
1576
1577 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
1578
1579         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
1580
1581 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1582
1583         PR middle-end/30447
1584         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
1585         constant argument to cabs and do it without checking for
1586         -funsafe-math-optimizations.
1587
1588 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
1589
1590         * c-common.h (RID_FIRST_CXX0X): New.
1591         (RID_LAST_CXX0X): New.
1592         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
1593         by -Wall.
1594         * c.opt (Wc++0x-compat): New.
1595         * doc/invoke.texi (-Wc++0x-compat): Document.
1596
1597 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1598
1599         * builtins.c (fold_builtin_carg): New.
1600         (fold_builtin_1): Use it.
1601
1602 2007-01-24  Jan Hubicka  <jh@suse.cz>
1603
1604         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
1605
1606         * ipa-inline.c (initial_insns, max_insns): Delete.
1607         (compute_max_insns): New function.
1608         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
1609         of insns as base for code growth.
1610         (cgraph_decide_inlining): Make initial_insns local; do not compute
1611         max_insns.
1612         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
1613         * doc/invoke.texi (inline-unit-growth): Update docs.
1614
1615 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
1616
1617         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
1618         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
1619         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
1620         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
1621         for CPUs that have PTA_CX16 set.
1622
1623         PR middle-end/27416
1624         * gimplify.c (omp_check_private): New function.
1625         (gimplify_scan_omp_clauses): Use it for
1626         firstprivate/lastprivate/reduction.
1627
1628         PR middle-end/30494
1629         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1630         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1631
1632         PR middle-end/30421
1633         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1634         If lower_lastprivate_clauses emits some statements, append them
1635         to dlist rather than body_p and to body_p append an initializer.
1636         (lower_omp_for): Adjust caller.
1637
1638 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
1639
1640         * target.h (globalize_decl_name): New.
1641         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1642         * output.h (default_globalize_decl_name): New.
1643         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
1644         globalize_label.
1645         (globalize_decl): Ditto.
1646         (default_globalize_decl_name): New.
1647         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
1648         (ia64_handle_version_id_attribute): New.
1649         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1650         (ia64_asm_output_external): Use globalize_decl_name instead
1651         of globalize_label.
1652         * doc/extend.texi (version_id): New pragma.
1653         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
1654
1655 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1656
1657         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
1658         _uleb128_t and _Unwind_SWord with _sleb128_t.
1659         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
1660         uw_frame_state_for, uw_update_context_1): Likewise.
1661         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
1662         * unwind-pe.h (read_uleb128, read_sleb128,
1663         read_encoded_value_with_base): Likewise.
1664         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
1665
1666 2007-01-24  Richard Guenther  <rguenther@suse.de>
1667
1668         * builtins.c (expand_builtin_cexpi): Get the fndecl
1669         for cexp in the correct way.
1670
1671 2007-01-24  Jan Hubicka  <jh@suse.cz>
1672
1673         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
1674
1675 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1676
1677         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
1678         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
1679         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
1680         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
1681         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
1682         __SIZEOF_PTRDIFF_T__.
1683         * doc/cpp.texi: Documentation for the new builtin macros added.
1684
1685 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
1686
1687         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
1688         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
1689         instead of operands[2] to avoid access past the end of array.
1690
1691 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
1692
1693         * reload1.c (emit_reload_insns): Pass the reload register
1694         for a non-spill output reload through forget_old_reloads_1.
1695
1696 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
1697
1698         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1699         _SOFT_DOUBLE if doubles use software floating-point.
1700         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
1701         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1702         * config/rs6000/darwin-ldouble.c: Also compile functions for
1703         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
1704         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1705         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
1706         commented-out long double override.
1707         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
1708         * config/rs6000/eabispe.h: Likewise.
1709         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
1710         long double for non-SPE.
1711         (rs6000_handle_option): Likewise.
1712         (invalid_e500_subreg): Disallow more subregs involding DImode,
1713         DFmode, TImode or TFmode.
1714         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
1715         E500 double.
1716         (legitimate_lo_sum_address_p): Also check for TFmode for E500
1717         double.
1718         (rs6000_legitimize_address): Also handle TFmode for E500 double.
1719         (rs6000_legitimize_reload_address): Also handle TFmode for E500
1720         double.
1721         (rs6000_legitimate_address): Also check for TFmode for E500
1722         double.
1723         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
1724         (spe_build_register_parallel): Handle TFmode and TCmode.
1725         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
1726         double.
1727         (function_arg): Handle TFmode and TCmode for E500 double.
1728         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
1729         in general.
1730         (print_operand): Handle TFmode and TImode for %y.
1731         (rs6000_generate_compare): Handle TFmode comparisons for E500
1732         double.
1733         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
1734         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
1735         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
1736         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
1737         TFmode for E500 double.
1738         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
1739         (floatsidf2): Enable for E500 double.
1740         (movtf_softfloat): Use rs6000_nonimmediate_operand.
1741         (extenddftf2): Change to extenddftf2_fprs.
1742         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
1743         depending on TARGET_E500_DOUBLE.
1744         (extendsftf2): Enable for E500 double.
1745         (trunctfdf2): Enable for E500 double.
1746         (trunctfsf2): Change to trunctfsf2_fprs.
1747         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
1748         depending on TARGET_E500_DOUBLE.
1749         (floatsitf2): Enable for E500 double.
1750         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
1751         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
1752         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
1753         (negtf2): Change to negtf2_internal.
1754         (negtf2): New expander.
1755         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
1756         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
1757         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
1758         (movdi_internal32): Use rs6000_nonimmediate_operand.
1759         (unnamed splitter): Likewise.
1760         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
1761         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
1762         (SPE64TF, DITI): New mode macros.
1763         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
1764         modes.
1765         (frob_tf_ti): New.
1766         (frob_<mode>_di_2): New.
1767         (frob_tf_di_8_2): New.
1768         (frob_di_df): Change to frob_di_<mode>; allow more modes.
1769         (frob_ti_tf): New.
1770         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
1771         more modes.
1772         (frob_ti_<mode>_8_2): New.
1773         (frob_ti_tf_2): New.
1774         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
1775         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
1776         TFmode.
1777         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
1778         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
1779         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
1780         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
1781         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
1782         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
1783         tsttflt_gp): New.
1784
1785 2007-01-23  Ian Lance Taylor  <iant@google.com>
1786
1787         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
1788         insn-*.o first.
1789         (OBJS-archive): Reformat, alphabetize.
1790         (OBJS): Change out_object_file to OBJS-md.
1791
1792 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
1795         JUMP_P and CALL_P predicates where applicable.
1796         * config/i386/i386.c: Ditto.
1797         * config/i386/i386.md: Ditto.
1798         * config/i386/mmx.md: Ditto.
1799         * config/i386/predicates.md: Ditto.
1800
1801 2007-01-22  Andreas Schwab  <schwab@suse.de>
1802
1803         * config/m68k/m68k.h: Fix comment.
1804
1805 2007-01-22  Jan Hubicka  <jh@suse.cz>
1806
1807         * passes.c (init_optimization_passes): Do not rerun
1808         pass_early_warn_uninitialized.
1809
1810 2007-01-22  Richard Guenther  <rguenther@suse.de>
1811
1812         PR tree-optimization/30038
1813         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
1814         function.
1815         (execute_cse_sincos_1): Likewise.
1816         (execute_cse_sincos): Likewise.
1817         (gate_cse_sincos): Likewise.
1818         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
1819         the cexpi() canonicalization of sincos().
1820         * tree-pass.h (pass_cse_sincos): Declare.
1821         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
1822
1823 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1824
1825         PR rtl-optimization/29329
1826         * combine.c (replaced_rhs_insn): Rename to i2mod.
1827         (replaced_rhs_value): Rename to i2mod_new_rhs.
1828         (i2mod_old_rhs): New global variable.
1829         (combine_instructions): Adjust for above change.  Save a copy of
1830         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
1831         note are substituted in the second instruction.
1832         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
1833         ditch the note if it pertains to the second eliminated register
1834         and this register is mentioned in i2mod_old_rhs.
1835
1836         Revert:
1837         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1838
1839         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1840         the insn to which the note was originally attached.
1841
1842 2007-01-21  Jan Hubicka  <jh@suse.cz>
1843
1844         * ipa-inline.c (inlining_mode): Comment, move up.
1845         (cgraph_decide_inlining_incrementally): Do not perform inlining
1846         itself; fix handling of flattening of self recursive functions.
1847         (cgraph_find_cycles): Remove.
1848         (cgraph_flatten_node): Remove.
1849         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
1850         (try_inline): New function.
1851         (cgraph_early_inlining): Update call of
1852         cgraph_decide_inlining_incrementally.  Apply inlining here.
1853         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
1854
1855 2007-01-21  Dirk Mueller  <dmueller@suse.de>
1856
1857         PR bootstrap/30511
1858         * tree-vrp.c (check_array_bounds): do not warn
1859         about ADDR_EXPR's of ARRAY_REF's which are immediately
1860         used in binary expressions.
1861
1862 2007-01-21  Ira Rosen  <irar@il.ibm.com>
1863
1864         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
1865         read_write_dep and macros for its access.
1866         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1867         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
1868         argument, call vect_check_interleaving for every independent pair of
1869         data-refs. Mark loads that access the same memory location as a store
1870         in the loop.
1871         (vect_check_dependences): Remove.
1872         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
1873         call, fix the call to vect_analyze_data_ref_dependence.
1874         (vect_analyze_data_ref_access): For statements that access the same
1875         data-ref, check that they are not stores; for loads, check that there
1876         is no store that access the same location.
1877
1878 2007-01-20  Roger Sayle  <roger@eyesopen.com>
1879             Joseph Myers  <joseph@codesourcery.com>
1880
1881         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
1882         (-fdump-rtl-stack): Likewise.
1883         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
1884         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
1885         (-mpt-fixed): Use @minus{} for minus sign.
1886         (Using Precompiled Headers): Fix under/overfull hbox.
1887
1888 2007-01-20  Jan Hubicka  <jh@suse.cz>
1889
1890         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
1891         place within annotation.
1892
1893 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1894
1895         * pa.c (output_move_double): Change array size of xoperands to 4.
1896
1897 2007-01-20  Jan Hubicka  <jh@suse.cz>
1898
1899         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
1900         as temporary.
1901
1902 2007-01-19  Ian Lance Taylor  <iant@google.com>
1903
1904         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
1905         constant to unsigned HOST_WIDE_INT before negating.
1906
1907 2007-01-19  Ian Lance Taylor  <iant@google.com>
1908
1909         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
1910         to unsigned.
1911         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
1912         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1913         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
1914         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
1915         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1916         (realloc_vdef, realloc_vuse): Change second parameter to
1917         unsigned.
1918         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
1919         fields to unsigned.
1920         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
1921         unsigned. Change x and lim locals to unsigned.
1922         (realloc_vdef, realloc_vuse): Change num_elem parameter to
1923         unsigned.
1924         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
1925         (copy_virtual_operands): Change i and n locals to unsigned.
1926
1927 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1928
1929         PR middle-end/29335
1930         * builtins.c (fold_builtin_1): Handle builtin fdim.
1931
1932 2007-01-20  Jan Hubicka  <jh@suse.cz>
1933
1934         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
1935         * tree-ssa-structalias.c (compute_points_to_sets): Do call
1936         init_alias_heapvars.
1937         (init_alias_heapvars): Initialize only when not already initialized.
1938         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
1939
1940 2007-01-19  Roger Sayle  <roger@eyesopen.com>
1941
1942         * common.opt (fsigned-zeros): New command line option.
1943         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
1944         of flag_unsafe_math_optimizations.
1945         * opts.c (set_fast_math_flags): The -ffast-math command line option
1946         implies -fno-signed-zeros.
1947         (fast_math_flags_set_p): Likewise.
1948
1949         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1950         the documentation of -ffast-math appropriately.  Wrap long lines.
1951
1952 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1953
1954         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1955         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1956
1957 2007-01-19  Tomas Bily  <tbily@suse.cz>
1958
1959         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1960         * tree-profile.c:
1961         (tree_init_ic_make_global_vars): New function
1962         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1963         (tree_gen_ic_profiler): New function
1964         (tree_gen_ic_func_profiler): New function
1965         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1966         (tree_profile_hooks): Added hook for indirec/virtual calls
1967         * value-prof.c (tree_find_values_to_profile): New case for
1968         indirect calls
1969         (tree_values_to_profile): Call for determining indirect/virtual
1970         counters
1971         (tree_indirect_call_to_profile): New function
1972         (tree_ic_transform): New function
1973         (tree_ic): New function
1974         (find_func_by_pid): New function
1975         (init_pid_map): New function
1976         (tree_value_profile_transformations): Added check for
1977         indirect/virtual call transformation
1978         * value-prof.h (enum hist_type): New counter type for
1979         indirect/virtual calls
1980         (profile_hooks): Added new hook for profiling indirect/virtual
1981         calls
1982         * profile.c (instrument_values): New case for indirect/virtual
1983         call added
1984         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1985         (GCOV_COUNTER_V_INDIR): New counter type
1986         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1987         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1988         call added
1989         * cgraph.c: Definition of cgraph_max_pid
1990         (cgraph_create_node): Default init of pid attribute
1991         * cgraph.h: Declaration of cgraph_max_pid
1992         (struct cgraph_node): Added pid attribute
1993         * libgcov.c (__gcov_indirect_call_profiler): New function
1994         (__gcov_one_value_profiler_body): New function
1995         (__gcov_one_value_profiler): Body was moved to
1996         __gcov_one_value_profiler_body and calls it
1997
1998 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1999
2000         * doc/gty.texi (Options): Document the mark_hook option to GTY.
2001         * gengtype.c (write_types_data, write_func_for_structure,
2002         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2003         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2004         (walk_type, write_func_for_structure): Generate the mark_hook if
2005         needed.
2006
2007 2007-01-19  Jan Hubicka  <jh@suse.cz>
2008
2009         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2010         'early' argument take inlining mode argument specifying whether to
2011         inline for size/speeed or all functions; add support for flattening;
2012         improve dumpting.
2013         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2014
2015 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2016
2017         PR c++/17947
2018         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2019         the name of the declared identifier.
2020
2021 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2022
2023         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2024         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2025         duplicate evaluation.
2026
2027 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2028
2029         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2030         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
2031         to XFMode, use acosxf2 and truncate result to requested mode.
2032         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2033         (asin<mode>2): Similarly, with asin expanders.
2034         (*fscalexf4_i387): Rename from *fscalexf4.
2035         (expNcorexf3): New expander.
2036         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2037         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2038         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
2039         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2040         patterns for SSE math.
2041         (exp10<mode>2): Similarly, with exp10 expanders.
2042         (exp2<mode>2): Similarly, with exp2 expanders.
2043         (expm1<mode>2): Similarly, with expm1 expanders.
2044         (ldexp<mode>3): Similarly, with ldexp expanders.
2045         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2046         Use gen_truncxf<mode>2_i387_noop to truncate result.
2047
2048 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2049
2050         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2051         for ColdFire targets.
2052
2053 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
2054             Richard Sandiford  <richard@codesourcery.com>
2055
2056         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2057         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2058         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2059         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2060         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2061         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2062
2063 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2064
2065         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2066         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
2067         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
2068         (*adddi_dilshr32_cf): New pattern.
2069         (adddi3, subdi3): Remove first alternatives.
2070
2071 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2072
2073         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2074         implemented using move.l, do not use its cc result for floating-point
2075         comparisons.
2076
2077 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2078
2079         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2080         from accepting 's' constraints if flag_pic.
2081
2082 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2083
2084         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2085         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2086         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2087         condition from TARGET_68881 to TARGET_HARD_FLOAT.
2088
2089 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2090
2091         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2092         ColdFire alternatives.
2093         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2094         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2095         architectures that support ff1 instruction.
2096
2097 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2098             Julian Brown  <julian@codesourcery.com>
2099
2100         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2101         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2102         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2103         Add commentary.
2104
2105 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2106
2107         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2108         and return a bool.
2109         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2110         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2111         HOST_WIDE_INT instead of an rtx.
2112         (m68k_rtx_costs): Update call accordingly.
2113         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2114         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2115         Return a bool.
2116         (output_move_simode_const): Update calls after above changes.
2117         Rework to use automatic variables and predicates like MEM_P.
2118         * config/m68k/m68k.md (pushexthisi_const): Update call to
2119         valid_mov3q_const.
2120
2121 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2122
2123         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2124         in dump_flags test.
2125
2126 2007-01-19  Richard Guenther  <rguenther@suse.de>
2127
2128         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2129         via cexp in case sincos is not available.
2130
2131 2007-01-19  Richard Guenther  <rguenther@suse.de>
2132
2133         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2134         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2135         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2136         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2137         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2138         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2139         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2140         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2141
2142 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2143
2144         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2145         New insn patterns.
2146         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2147         (atan2xf3): Directly generate RTL pattern.
2148         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2149         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2150         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2151         disable patterns for SSE math.
2152         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2153         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2154         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2155         disable patterns for SSE math.
2156
2157 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2158
2159         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2160
2161 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2162
2163         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2164         VIEW_CONVERT_EXPR to the same type as it's operand.
2165
2166 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2167
2168         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2169         configured for long double 128.
2170
2171 2007-01-18  Mike Stump  <mrs@apple.com>
2172
2173         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2174         error.
2175
2176 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2177
2178         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2179         type correct.
2180
2181 2007-01-18  Jan Hubicka  <jh@suse.cz>
2182
2183         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2184         greater than NUM_VOP_FREE_BUCKETS.
2185
2186 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2187
2188         * tree-ssa-structalias.c: Update comments.
2189         (ptabitmap_obstack): Removed.
2190         (pta_obstack): New.
2191         (oldpta_obstack): Ditto.
2192         (stats): Add a few members.
2193         (struct variable_info): Remove node, complex, address_taken, and
2194         indirect_target members. Add oldsolution member.
2195         (new_var_info): Do not initialize removed members.
2196         (constraint_expr_type): Remove INCLUDES.
2197         (constraint_graph): Add size, implicit_preds, rep,
2198         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2199         (FIRST_REF_NODE): New macro.
2200         (LAST_REF_NODE): Ditto.
2201         (FIRST_ADDR_NODE): Ditto.
2202         (find): New function.
2203         (unite): Ditto.
2204         (dump_constraint): Do not handle INCLUDES.
2205         (insert_into_complex): Do not insert duplicate constraints.
2206         (condense_varmap_nodes): Renamed and rewritten into ...
2207         (merge_node_constraints): This. Also fix bug in handling of
2208         offseted copy constraints.
2209         (clear_edges_for_node): No longer need to deal with preds at all,
2210         or removing associated preds/succs.
2211         (merge_graph_nodes): Deal with indirect_cycles.
2212         Don't deal with predecessors.
2213         (add_implicit_graph_edge): New function.
2214         (add_pred_graph_edge): Ditto.
2215         (add_graph_edge): Don't deal with predecessors.
2216         (build_constraint_graph): Removed.
2217         (build_pred_graph): New function.
2218         (build_succ_graph): Ditto.
2219         (struct scc_info): Removed in_component. Added roots, dfs, and
2220         node_mapping. Remove visited_index, unification_queue.
2221         (scc_visit): Deal with union-find we do now.
2222         Deal with cycles with REF nodes.
2223         (collapse_nodes): Renamed and rewritten to ...
2224         (unify_nodes): This.
2225         (process_unification_queue): Removed.
2226         (topo_visit): Cleanup
2227         (do_da_constraint): Use find.
2228         (do_sd_constraint): Ditto.
2229         (do_ds_constraint): Ditto.
2230         (do_complex_constraint): Ditto.
2231         (init_scc_info): Update for removed and added members.
2232         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2233         (find_indirect_cycles): This.
2234         (equivalence_class): New variable.
2235         (label_visit): New function.
2236         (perform_variable_substitution): Rewritten.
2237         (free_var_substitution_info): New function.
2238         (find_equivalent_node): Ditto.
2239         (move_complex_constraints): Ditto.
2240         (eliminate_indirect_cycles): Ditto.
2241         (solve_graph): Only propagate changed bits.
2242         Use indirect cycle elimination.
2243         Use find.
2244         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2245         (tree_id_eq): Renamed to ...
2246         (tree_vi_eq): This. Update for member change
2247         (insert_id_for_tree): Renamed and rewritten to ...
2248         (insert_vi_for_tree): This.
2249         (lookup_id_for_tree): Renamed and rewritten to ...
2250         (lookup_vi_for_tree): This.
2251         (get_id_for_tree): Renamed and rewritten to ...
2252         (get_vi_for_tree): Ditto.
2253         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2254         (process_constraint): Don't handle INCLUDES.
2255         Remove special ADDRESSOF case.
2256         (find_func_aliases): Rewrite to use vi functions instead of id
2257         ones.
2258         (create_function_info_for): Ditto.
2259         (create_variable_info_for): Ditto.
2260         (intra_create_variable_infos): Ditto.
2261         (merge_smts_into): Ditto.
2262         (find_what_p_points_to): Ditto.
2263         (init_base_vars): Ditto.
2264         (init_alias_vars): Ditto.
2265         (remove_preds_and_fake_succs): New function.
2266         (dump_sa_points_to_info): Dump new stats.
2267         (dump_solution_for_var): Use find.
2268         (set_used_smts): Fix formatting.
2269         (compute_points_to_sets): Updated for new functions.
2270         (ipa_pta_execute): Ditto.
2271
2272 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2273             Richard Sandiford  <richard@codesourcery.com>
2274
2275         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2276         parallels.
2277         * calls.c (expand_call): If the return value is a PARALLEL,
2278         extract its first member.
2279         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2280         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2281         use FUNCTION_EXTRA_EPILOGUE.
2282         (m68k_function_value): Return a PARALLEL if the return value
2283         is of a pointer type.
2284         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2285         (FUNCTION_EXTRA_EPILOGUE): Remove.
2286         * config/m68k/m68k.md (D0_REG): New constant.
2287
2288 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2289
2290         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2291         output a NOP for empty epilogues.
2292
2293 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2294
2295         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2296         before function.  Extend register save check to include all
2297         registers, not just integer ones.
2298
2299 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2300
2301         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2302         (m68k_use_return_insn): ...this.
2303         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2304         * config/m68k/m68k.c (use_return_insn): Rename to...
2305         (m68k_use_return_insn): ...this.
2306         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2307         of USE_RETURN_INSN.
2308
2309 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2310
2311         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2312         nearest even, fix denormal rounding overflow.
2313
2314 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2315
2316         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2317         f%$smove and f%$move.
2318         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2319         (extendsfdf2_cf): Use fdmove instead of f%&move.
2320         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2321         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2322
2323 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2324
2325         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2326         GPR<-GPR moves.
2327
2328 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2329
2330         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2331         (coldfire_single_format): Declare.
2332         (coldfire_double_format): Likewise.
2333         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2334         of qnan_msb_set to determine the lower bits of a canonical
2335         NaN significand.
2336         (encode_ieee_double): Likewise.
2337         (encode_ieee_quad): Likewise.
2338         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2339         (mips_single_format): Likewise.
2340         (ieee_double_format): Likewise.
2341         (mips_double_format): Likewise.
2342         (ieee_extended_motorola_format): Likewise.
2343         (ieee_extended_intel_96_format): Likewise.
2344         (ieee_extended_intel_128_format): Likewise.
2345         (ieee_extended_intel_96_round_53_format): Likewise.
2346         (ibm_extended_format): Likewise.
2347         (mips_extended_format): Likewise.
2348         (ieee_quad_format): Likewise.
2349         (mips_quad_format): Likewise.
2350         (vax_f_format): Likewise.
2351         (vax_d_format): Likewise.
2352         (vax_g_format): Likewise.
2353         (i370_single_format): Likewise.
2354         (i370_double_format): Likewise.
2355         (decimal_single_format): Likewise.
2356         (decimal_double_format): Likewise.
2357         (decimal_quad_format): Likewise.
2358         (c4x_single_format): Likewise.
2359         (c4x_extended_format): Likewise.
2360         (real_internal_format): Likewise.
2361         (coldfire_single_format): New real_format.
2362         (coldfire_double_format): Likewise.
2363         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2364         canonical_nan_lsbs_set.
2365         (pdp11_d_format): Likewise.
2366         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2367         if TARGET_COLDFIRE_CPU.
2368
2369 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2370
2371         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2372         (output_call, m68k_legitimize_call_address): Declare.
2373         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2374         parenthesees.  Add support for a 'W' constraint.
2375         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2376         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2377         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2378         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2379         variables.
2380         (override_options): Initialize them.  Do not set flag_no_function_cse
2381         for TARGET_ID_SHARED_LIBRARY.
2382         (m68k_output_pic_call): Delete.
2383         (m68k_legitimize_call_address): New function.
2384         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2385         (output_call): New function.
2386         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2387         target address from the GOT if symbolic jumps are not allowed.
2388         * config/m68k/m68k.md (call, general_operand): Do not set
2389         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
2390         Merge separate flag_pic and !flag_pic define_insns into...
2391         (*call, *call_value): ...these new patterns.  Match the address
2392         rather than the containing MEM and require it to be a call_operand.
2393         Use output_call to generate the asm template.
2394         * config/m68k/predicates.md (const_call_operand): New predicate.
2395         (call_operand): Likewise.
2396
2397 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2398
2399         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2400         (STACK_GROWS_DOWNWARD): Define to 1.
2401         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2402         comments, emphasizing that these values are only defaults.
2403         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2404         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2405
2406 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2407
2408         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2409
2410 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2411             Richard Sandiford  <richard@codesourcery.com>
2412
2413         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2414         (FP_REGNO_P): New macros.
2415         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2416         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2417         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2418         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2419
2420 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2421
2422         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2423         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2424         to $tmake_file.
2425         * config/m68k/t-floatlib: New file, extracting common code from...
2426         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2427         * config/m68k/t-uclinux: Here.
2428         * config/m68k/fpgnulib.c: Do not compile extendeed precision
2429         routines on ColdFire targets.
2430
2431 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2432
2433         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2434         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2435         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2436         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2437         explicitly set MOTOROLA to 1.
2438         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2439
2440 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2441             Nathan Sidwell  <nathan@codesourcery.com>
2442
2443         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2444         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2445         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2446         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2447         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2448         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2449         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2450         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2451         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2452         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2453         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2454         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2455         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2456         (DBX_REGISTER_NUMBER): Delete.
2457         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2458         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2459         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2460
2461 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2462
2463         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2464         * config/flat.h: New file.
2465         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2466         OBJECT_FORMAT_FLAT.
2467         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2468         indirect references for -msep-data or -mid-shared-library.
2469         Do not use PC-relative code addresses either.
2470         * config/m68k/m68k.c (override_options): Restrict -fPIC error
2471         to -mpcrel.
2472         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
2473         for shared libraries and crt1.o for executables.  Use crti.o and
2474         crtbegin.o.
2475         (ENDFILE_SPEC): Use crtend.o and crtn.o.
2476         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2477         Do not add -elf2flt or -shared-lib-id options here.
2478         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
2479         Pass -shared-lib-id if -mid-shared-library, taking the library
2480         identifier from -mshared-library-id if given, otherwise
2481         defaulting to 0.
2482         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2483         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2484         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2485         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2486         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2487         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2488         and crtend.o.
2489         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2490         jump sequence for ISA A and ISA A+.
2491         (PICJUMP): Likewise.
2492
2493 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2494
2495         * config.gcc (m68k-*-uclinux*): Base the port on the common
2496         and m68k GNU/Linux files rather than on the generic ELF ones.
2497         * config/m68k/uclinux.h (TARGET_VERSION): Override.
2498         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2499
2500 2007-01-18  Julian Brown  <julian@codesourcery.com>
2501             Richard Sandiford  <richard@codesourcery.com>
2502
2503         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2504         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2505         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2506         before redefining.
2507         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2508         80 unconditionally.
2509         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2510
2511 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2512
2513         * doc/install.texi: Document m68k-uclinuxoldabi.
2514         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2515         * config/m68k/uclinux-oldabi.h: New file, copied from
2516         config/m68k/uclinux.h.
2517
2518 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
2519
2520         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2521         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2522         (m32r_compute_frame_size): Use unsigned for regno.
2523         (m32r_reload_lr): Use gen_frame_mem.
2524         (pop): New.
2525         (m32r_output_function_epilogue): Don't output the function epilogue
2526         textually here.
2527         (m32r_expand_epilogue): New.
2528         (direct_return): Return false if the function has the interrupt
2529         attribute.
2530         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2531         * config/m32r/m32r.md (epilogue): New expander.
2532         (return_lr, return_rte): New insns.
2533         (return): Make it expander.
2534         (return_normal): New expander.
2535
2536 2007-01-18  Josh Conner  <jconner@apple.com>
2537
2538         PR target/30485
2539         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2540         support for UNLE, UNLT, UNGE, and UNGT.
2541
2542 2007-01-18  Jan Hubicka  <jh@suse.cz>
2543
2544         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2545         * tree-tailcall (add_virtual_phis): Likewise.
2546         (optimize_tail_call): Return TODOs.
2547         (execute_tail_calls): Return TODOs.
2548         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2549         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2550         changed.
2551         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2552         Cleanup cfg using TODO.
2553         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2554         * passes.c (execute_function_todo): When cleanup did something, remove
2555         unused locals.
2556         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2557         (make_edges): Don't cleanup_cfg.
2558
2559 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
2560
2561         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2562         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2563         operate on the top of stack.
2564         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2565         register handling of instructions that output to the second
2566         stack slot.
2567         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2568         (move_for_stack_reg): Special-case check for dead destination
2569         stack slot for constant load of 1.0 inside UNSPEC_TAN.
2570
2571         * config/i386/i386.md (UNSPEC_TAN): New constant.
2572         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2573         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2574         to correctly model move of constant 1.0 to top stack slot.
2575         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2576         (unnamed peephole2 pattern): Remove corresponding peephole2
2577         pattern that optimizes tan insn and loading of constant 1.0.
2578         (tanxf2): Use fptanxf4_i387.
2579         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2580         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
2581         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2582         disable patterns for SSE math.
2583         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
2584         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
2585
2586 2007-01-18  Dirk Mueller  <dmueller@suse.de>
2587             Richard Guenther <rguenther@suse.de>
2588
2589         PR diagnostic/8268
2590         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
2591         * common.opt (Warray-bounds): Add new warning option.
2592         * c-opts.c (c_common_handle_option): Define -Warray-bounds
2593         if -Wall is given.
2594         * Makefile.in: make tree-vrp.o depend on toplev.h
2595         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
2596         is enabled.
2597         (check_array_refs, check_array_bounds, check_array_ref): New.
2598
2599 2007-01-18  Jan Hubicka  <jh@suse.cz>
2600
2601         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
2602         (execute_ssa_ccp): Return flags conditionally.
2603         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
2604         changed.
2605         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
2606
2607 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
2608
2609         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
2610         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
2611
2612         * Makefile.c (GTFILES): Add cfglayout.h.
2613         * gengtype.c (open_base_files): Likewise.
2614         * cfglayout.c (cfg_layout_function_footer,
2615         cfg_layout_function_header) Reindent to make gengtype happy.
2616         * cfglayout.h (cfg_layout_function_footer,
2617         cfg_layout_function_header): Add GTY(()) marker.
2618
2619         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
2620
2621 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2622
2623         * genautomata.c (write_automata): Include xstrerror output in the
2624         error message if writing the DFA description file fails.
2625
2626 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2627
2628         * config/mips/mips-protos.h (mips_output_external): Make it
2629         return void.
2630         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2631         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2632         (extern_list): Likewise.
2633         (extern_head): Likewise.
2634         (TARGET_ASM_FILE_END): Likewise.
2635         (mips_file_end): Likewise.
2636         (mips_output_external): Rewritten.
2637
2638 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2639
2640         * genpreds.c (write_insn_preds_c): Only write out the function
2641         body for regclass_for_constraint if we have register constraints.
2642
2643 2007-01-17  Tom Tromey  <tromey@redhat.com>
2644
2645         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2646         * doc/install.texi (Testing): Use sourceware.org.
2647         (Binaries): Likewise.
2648         (Specific): Likewise.
2649         * doc/contrib.texi (Contributors): Use sourceware.org.
2650
2651 2007-01-17  Anatoly Sokolov <aesok@post.ru>
2652
2653         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
2654         (AVR_ENHANCED): Rename to ...
2655         (AVR_HAVE_MUL): ... new.
2656         (avr_enhanced_p): Rename to ...
2657         (avr_have_mul_p): ... new.
2658         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
2659         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
2660         * config/avr/avr.c (avr_enhanced_p): Rename to ...
2661         (avr_have_mul_p): ... new.
2662         (base_arch_s): Rename 'enhanced' to 'have_mul'.
2663         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
2664         'avr_enhanced_p' and 'enhanced'.
2665         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
2666         AVR_HAVE_MUL instead of AVR_ENHANCED.
2667         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2668         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
2669         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
2670         instead of AVR_ENHANCED.
2671         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2672         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
2673         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
2674
2675 2007-01-17  Ian Lance Taylor  <iant@google.com>
2676
2677         * vec.h (VEC_reserve_exact): Define.
2678         (vec_gc_p_reserve_exact): Declare.
2679         (vec_gc_o_reserve_exact): Declare.
2680         (vec_heap_p_reserve_exact): Declare.
2681         (vec_heap_o_reserve_exact): Declare.
2682         (VEC_OP (T,A,reserve_exact)): New static inline function, three
2683         versions.
2684         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
2685         negative parameter.
2686         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
2687         (VEC_OP (T,A,copy)) [all versions]: Likewise.
2688         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
2689         * vec.c (calculate_allocation): Add exact parameter.  Change all
2690         callers.
2691         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
2692         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
2693         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
2694         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
2695         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
2696         (vec_heap_p_reserve_exact): New function.
2697         (vec_heap_o_reserve_exact): New function.
2698
2699 2007-01-17  Jan Hubicka  <jh@suse.cz>
2700
2701         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
2702
2703 2007-01-17  Eric Christopher  <echristo@apple.com>
2704
2705         * config.gcc: Support core2 processor.
2706
2707 2007-01-16  Jan Hubicka  <jh@suse.cz>
2708
2709         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
2710         the names, just unlink the chain so we don't crash on dangling pointers
2711         to dead SSA names.
2712
2713 2007-01-16  Jan Hubicka  <jh@suse.cz>
2714
2715         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
2716         * tree-pass.h: Reorder to make IPA passes appear toegher.
2717         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
2718         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
2719         parameters, do not call early inliner.
2720         * ipa-inline.c: Update comments.  Include tree-flow.h
2721         (cgraph_decide_inlining): Do not compute inlining parameters.
2722         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
2723         be called with function context set up.
2724         (pass_ipa_inline): Remove unreachable functions before pass.
2725         (cgraph_early_inlining): Simplify assuming to be called from the
2726         PM as local pass.
2727         (pass_early_inline): New pass.
2728         (cgraph_gate_ipa_early_inlining): New gate.
2729         (pass_ipa_early_inline): Turn into simple wrapper.
2730         (compute_inline_parameters): New function.
2731         (gate_inline_passes): New gate.
2732         (pass_inline_parameters): New pass.
2733         (apply_inline): Move here from tree-optimize.c
2734         (pass_apply_inline): New pass.
2735         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
2736         transforming.
2737         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
2738         doing them by hand.
2739         (tree_function_versioning): Do not allocate dummy struct function.
2740         * tree-inline.h (optimize_inline_calls): Update prototype.
2741         * tree-optimize.c (execute_fixup_cfg): Export.
2742         (pass_fixup_cfg): Remove
2743         (tree_rest_of_compilation): Do not apply inlines.
2744         * tree-flow.h (execute_fixup_cfg): Declare.
2745         * Makefile.in (gt-passes.c): New.
2746         * passes.c: Include gt-passes.h
2747         (init_optimization_passes): New passes.
2748         (nnodes, order): New static vars.
2749         (do_per_function_toporder): New function.
2750         (execute_one_pass): Dump current pass here.
2751         (execute_ipa_pass_list): Don't dump current pass here.
2752
2753 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
2754
2755         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
2756         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
2757
2758 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
2759
2760         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
2761         (strong_alias): Define.
2762         (__gcc_qmul): Provide non-FMA for soft-float.
2763         (__gcc_qdiv): Same.
2764         (__gcc_qneg): New.
2765         (__gcc_qeq): New.
2766         (__gcc_qle): New.
2767         (__gcc_qge): New.
2768         (__gcc_qunord): New.
2769         (__gcc_stoq): New.
2770         (__gcc_dtoq): New.
2771         (__gcc_qtos): New.
2772         (__gcc_qtod): New.
2773         (__gcc_qtoi): New.
2774         (__gcc_qtou): New.
2775         (__gcc_itoq): New.
2776         (__gcc_utoq): New.
2777         (fmsub): New.
2778         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
2779         soft-float functions.
2780         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
2781         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
2782         about long double soft float.
2783
2784 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
2785             Tehila Meyzels  <tehila@il.ibm.com>
2786
2787         * tree-vectorizer.h (is_pattern_stmt_p): New.
2788         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
2789         formatting (tabs instead of spaces). Cleanup and clarify setting
2790         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
2791         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
2792         (vectorizable_type_demotion): Check that types are integral.
2793         (vectorizable_type_promotion): Likewise.
2794         (vectorizable_store): Fix typo.  Eliminate new-line at end of
2795         comments.
2796
2797 2007-01-16  Jan Hubicka  <jh@suse.cz>
2798
2799         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
2800         cgraph edges too.
2801
2802 2007-01-15  Eric Christopher  <echristo@apple.com>
2803
2804         * ifcvt.c: Include vec.h, vecprim.h.
2805         (check_cond_move_block): New argument regs.
2806         Reorganize. Add registers used to regs.
2807         (cond_move_process_if_block): Use regs set above as
2808         loop bounds.
2809
2810 2007-01-15  Eric Christopher  <echristo@apple.com>
2811
2812         * config/darwin.h: Update copyright.
2813         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
2814         (LINK_COMMAND_SPEC): Add -u.
2815         (LINK_SPEC): Fix umbrella for above.
2816
2817 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
2818
2819         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
2820         glibc CVS.
2821
2822 2007-01-15  Tom Tromey  <tromey@redhat.com>
2823
2824         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
2825         * doc/install.texi (Testing): Don't mention jacks.
2826         (Configuration): Document --enable-java-maintainer-mode.  Move
2827         --with-java-home to libgcj-specific section.  Document
2828         --with-ecj-jar.
2829         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
2830
2831 2007-01-15  Jan Hubicka  <jh@suse.cz>
2832
2833         * tree-ssa-dce.c (DCE_TODOs): New.
2834         (propagate_necessity): Return if something changed.
2835         (eliminate_unnecessary_stmts): Likewise.
2836         (perform_tree_ssa_dce): Return TODO flags when needed.
2837         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
2838
2839 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
2840
2841         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
2842         (fyl2x_extend<mode>xf3_i387): New insn pattern.
2843         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
2844         patterns using X87MODEF12 mode macro.  Extend operand 1
2845         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2846         (log10<mode>2): Ditto.
2847         (log2<mode>2): Ditto.
2848         (log1p<mode>2): Ditto.
2849         (logb<mode>2): Ditto.
2850         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
2851         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
2852         (*fxtractxf3_i387): Rename from *fxtractxf3.
2853         (fxtract_extend<mode>xf3_i387): New insn pattern.
2854         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
2855         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
2856         and gen_fyl2xxf3_i387().
2857
2858 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2859
2860         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
2861         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
2862         get_loop_exit_edges.  Changed return type to bool.
2863         * cfgloop.h (fix_loop_placement): Declaration removed.
2864
2865 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
2866
2867         * param.h (MIN_VECT_LOOP_BOUND): New.
2868         * params.def (MIN_VECT_LOOP_BOUND): New.
2869         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
2870         argument - minimum threshold for number of iterations.
2871         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
2872         argument to declaration.
2873         * tree-vect-analyze.c (vect_analyze_operations): Check value of
2874         MIN_VECT_LOOP_BOUND.
2875         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
2876         slpeel_tree_peel_loop_to_edge with additional argument.
2877         (vect_do_peeling_for_alignment): Likewise.
2878         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
2879
2880 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
2881
2882         PR target/30413
2883         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
2884         operands of size 1.
2885
2886 2007-01-14  Jan Hubicka  <jh@suse.cz>
2887
2888         * tree-dfa.c (remove_referenced_var): New function.
2889         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
2890         prune referenced vars list too.
2891         * tree-flow.h (remove_referenced_var): Declare.
2892
2893 2007-01-14  Jan Hubicka  <jh@suse.cz>
2894
2895         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
2896         separately.
2897         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
2898         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
2899         * except.h (verify_eh_throw_table_statements): Kill prototype.
2900         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
2901         into call exrepssions.
2902         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
2903         eh trhow verifier.
2904         * tree-cfg.c: Include pointer-set.h.
2905         (verify_node_sharing): Work on pointer set.
2906         (verify_eh_throw_stmt_node): New.
2907         (verify_stmts): Use pointers sets, verify throw_stmt.
2908
2909 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
2910
2911         * ipa-reference.c (analyze_function): Consider also addresses taken
2912         in phi nodes.
2913
2914 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2915
2916         * c-typeck.c (null_pointer_constant_p): Replace use of
2917         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2918         (build_c_cast): Likewise.
2919
2920 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2921
2922         * tree.h (force_fit_type_double): Remove unused final argument.
2923         * c-common.c (constant_expression_warning): Replace use of
2924         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2925         (convert_and_check): Likewise.
2926         (shorten_compare): Update call to force_fit_type_double.
2927         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
2928         * convert.c (convert_to_pointer): Update call to
2929         force_fit_type_double.
2930         * fold-const.c (force_fit_type_double): Remove overflowed_const
2931         argument.
2932         (int_const_binop, fold_convert_const_int_from_int,
2933         fold_convert_const_int_from_real, fold_div_compare,
2934         fold_sign_changed_comparison, fold_unary, fold_negate_const,
2935         fold_abs_const, fold_not_const): Remove the final argument from
2936         calls to force_fit_type_double.
2937
2938 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2939
2940         * configure.ac: Set insn to "nop" for spu-*-* also.
2941         * configure: Regenerate.
2942
2943 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
2944
2945         * builtins.def : Add BUILT_IN_FREE.
2946
2947 2007-01-12  Jan Hubicka  <jh@suse.cz>
2948
2949         PR tree-optimization/30443
2950         * tree-inline.c (tree_function_versioning): Do not optimize when
2951         cloning for inlining.
2952
2953 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2954
2955         * doc/loop.texi: Document recording of loop exits.
2956         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2957         (update_single_exits_after_duplication,
2958         update_single_exit_for_duplicated_loop,
2959         update_single_exit_for_duplicated_loops): Removed.
2960         (duplicate_loop_to_header_edge): Do not call
2961         update_single_exits_after_duplication and
2962         update_single_exit_for_duplicated_loops.
2963         (loop_version): Do not update single_exit information.
2964         (fix_loop_structure): Use record_loop_exits instead of
2965         mark_single_exit_loops.
2966         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2967         the lists of loop exits.
2968         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2969         split_edge, merge_blocks): Update the lists of loop exits.
2970         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2971         loop_optimizer_init.
2972         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2973         of mark_single_exit_loops.
2974         (loop_optimizer_finalize): Call release_recorded_exits.
2975         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2976         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2977         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2978         update single exit information.
2979         * lambda-code.c (perfect_nestify): Ditto.
2980         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2981         (mark_single_exit_loops): Removed.
2982         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2983         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2984         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2985         functions.
2986         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2987         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2988         (verify_loop_structure): Verify consistency of the exit lists.
2989         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2990         (set_single_exit): Removed.
2991         * cfgloop.h (struct loop_exit): New function.
2992         (struct loop): single_exit_ field replaced by exits field.
2993         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2994         (struct loops): Added exits hash.
2995         (mark_single_exit_loops, set_single_exit): Declaration removed.
2996         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2997
2998 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2999
3000         * doc/invoke.texi: Avoid use of @headitem.
3001
3002 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3003
3004         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3005
3006 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3007
3008         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3009         list of targets.
3010
3011 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3012             Richard Sandiford  <richard@codesourcery.com>
3013
3014         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3015         * config/m68k/m68k.opt: Resort options.
3016         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3017
3018 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3019             Richard Sandiford  <richard@codesourcery.com>
3020
3021         * doc/invoke.texi: Document the macros that are defined by
3022         m68k's -mtune and -mhard-float options.
3023         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3024         (m68k_cpp_cpu_family): Likewise.
3025         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3026         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
3027         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
3028         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3029         (m68k_cpp_cpu_family): Likewise.
3030
3031 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3032
3033         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3034         macros besides mc68000 as tuning macros.  Use a switch statement
3035         to set them and mcpu32.
3036
3037 2007-01-12  Julian Brown  <julian@codesourcery.com>
3038
3039         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3040         (TARGET_68040_ONLY): Rename to...
3041         (TARGET_68040): ...this.
3042         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3043         * config/m68k/m68k.md: Likewise.
3044
3045 2007-01-12  Julian Brown  <julian@codesourcery.com>
3046             Nathan Sidwell  <nathan@codesourcery.com>
3047             Richard Sandiford  <richard@codesourcery.com>
3048
3049         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3050         the -mcpu= argument associated with the --with-cpu setting.
3051         Define M68K_DEFAULT_TUNE to the default -mtune= option,
3052         if different from the one implied by the -mcpu setting.
3053         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3054         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
3055         * doc/invoke.texi: Mention ColdFire in the introduction to the
3056         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
3057         -mno-div and -mhard-float options.  Make -m68881 a synonym for
3058         -mhard-float.  Document the previously-undocumented -m5206e,
3059         -m528x, -m5307 and -m5407 options.  Tweak the existing option
3060         documentation for consistency.
3061         * doc/install.texi: Mention new --with-cpu arguments.
3062         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3063         default CPU if neither -mcpu nor -march are specified.
3064         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3065         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3066         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
3067         using m68k_tune to decide between families that implement the
3068         same ISA.  Use m68k_tune to set __mcfv4e__.
3069         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3070         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3071         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3072         (FL_ISA_C, FL_ISA_MMU): New macros.
3073         (MASK_COLDFIRE): Delete.
3074         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3075         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3076         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3077         (TARGET_HARD_FLOAT): Do not define here.
3078         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3079         (TUNE_68000): New macro.
3080         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3081         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3082         (TUNE_CFV2): Redefine in terms of m68k_tune.
3083         (uarch_type, target_device, fpu_type): New enums.
3084         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3085         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3086         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3087         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3088         (FL_FOR_isa_c): New macros.
3089         (m68k_isa): New enum.
3090         (m68k_target_selection): New structure.
3091         (all_devices, all_isas, all_microarchs): New tables.
3092         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3093         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3094         (MASK_ALL_CPU_BITS): Delete.
3095         (m68k_find_selection): New function.
3096         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3097         Map the legacy target options to a combination of the new ones.
3098         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3099         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3100         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3101         settings.
3102         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3103         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3104         properties.
3105         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3106         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3107         * config/m68k/m68k-devices.def: New file.
3108
3109 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3110             Nathan Sidwell  <nathan@codesourcery.com>
3111
3112         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3113         (SUBTARGET_EXTRA_SPECS): New macros.
3114         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3115         use %(asm_cpu_spec) instead.
3116         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3117         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3118         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3119         (EXTRA_SPECS): Rename to...
3120         (SUBTARGET_EXTRA_SPECS): ...this.
3121
3122 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3123             Richard Sandiford  <richard@codesourcery.com>
3124             Julian Brown  <julian@codesourcery.com>
3125
3126         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3127         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3128         to the configuration's default CPU.
3129         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3130         Remove default masks.
3131         (m680[012]0-*-*): Set the default with_cpu to the first part of
3132         the target name.
3133         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3134         (m68k*-*-linux): Extend the --with-cpu handling to...
3135         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3136         and m68010.  Don't set target_cpu_default2.
3137         * doc/install.texi: Document --with-cpu for m68k.
3138         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3139         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3140         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3141         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3142         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3143         (ASM_SPEC): Remove use of %(asm_cpu_default).
3144         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3145         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3146         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3147         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3148         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3149         (TARGET_DEFAULT): Delete.
3150         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3151         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3152         (CPP_CPU_SPEC): Delete.
3153         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3154         the appropriate string.
3155         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3156         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3157         (ASM_SPEC): Don't use %(asm_default_spec).
3158         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3159         TARGET_DEFAULT and add MASK_68881.
3160         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3161
3162 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3163
3164         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3165         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3166         MASK_68010 alongside MASK_68020.
3167         * doc/invoke.texi: Document -m68010.
3168         * config/m68k/m68k.opt (m68010): New.
3169         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3170         if TUNE_68010.
3171         (TUNE_68010): New macro.
3172         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3173         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3174         (M68K_CPU_m68332): Add MASK_68010.
3175         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3176         fallback definition.
3177         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3178         defines.
3179         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3180         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3181         to all entries that use MASK_68020.
3182         (output_move_simode_const, output_move_himode, output_move_qimode)
3183         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3184         instead of TARGET_68020 to select clr behavior.  Remove comment
3185         about there being no TARGET_68010.
3186         * config/m68k/m68k.md: Likewise throughout.
3187
3188 2007-01-12  Julian Brown  <julian@codesourcery.com>
3189
3190         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3191         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3192         * config/m68k/m68k.md: Likewise.
3193
3194 2007-01-12  Julian Brown  <julian@codesourcery.com>
3195
3196         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3197         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3198
3199 2007-01-12  Julian Brown  <julian@codesourcery.com>
3200
3201         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3202         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3203         * config/m68k/m68k.md: Likewise.
3204
3205 2007-01-12  Julian Brown  <julian@codesourcery.com>
3206             Richard Sandiford  <richard@codesourcery.com>
3207
3208         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3209         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3210         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3211         TARGET_CPU32.
3212         (TARGET_CPU32): Rename to...
3213         (TUNE_CPU32): ...this.
3214         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3215         (TUNE_CFV2): New macros.
3216         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3217         remove conditions that are implied by TARGET_68020.
3218         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3219         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3220         (m68k_output_function_epilogue): Likewise.
3221         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3222         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3223         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3224         non-68000 timings.  Refactor multiplication and division costs.
3225         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3226         TUNE_CPU32 instead of TARGET_CPU32.
3227         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3228         and TUNE_68060 instead of TARGET_68060.
3229         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3230         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3231         TARGET_CPU32.
3232         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3233         && !TARGET_COLDFIRE" to choose between moveq and clr.
3234         Likewise in the unnamed movsf pattern.
3235         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3236         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3237         ashiftrt pattern.
3238
3239 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3240
3241         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3242         of tabbing before backslashes.
3243
3244 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3245
3246         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3247         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3248         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3249
3250 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3251
3252         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3253         find_interesting_uses_cond.
3254         (find_interesting_uses_cond): Use extract_cond_operands.
3255         (rewrite_use_compare): Use extract_cond_operands and
3256         force_gimple_operand_bsi.  Do not call update_stmt.
3257         (determine_use_iv_cost_condition): Use extract_cond_operands.
3258         Return cheaper of using original bound and changing the exit bound.
3259
3260 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3261
3262         PR tree-optimization/29516
3263         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3264         most_expensive_mult_to_index, addr_to_parts,
3265         create_mem_ref, maybe_fold_tmr): Make the type of
3266         fields of TARGET_MEM_REF sizetype.
3267         (move_fixed_address_to_symbol, move_pointer_to_base):
3268         New functions.
3269         * tree.def (TARGET_MEM_REF): Add comment on types of
3270         the operands.
3271
3272 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3273
3274         * c-common.c (vector_types_convertible_p): Treat opaque types as
3275         always convertible if they have the same size, but not otherwise.
3276
3277 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3278
3279         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3280         Remove the b_unconditional field.
3281         (noce_try_sign_mask): Do not look at b_unconditional.
3282         (noce_process_if_block): Do not use merge_if_blocks.  Update
3283         the CFG here.  Do not set b_unconditional.
3284         (cond_move_process_if_block): Likewise.
3285         (find_cond_trap): Likewise.
3286         (check_cond_move_block): Require simple jump insns at the end
3287         of the basic block.
3288
3289 2007-01-11  Jan Hubicka  <jh@suse.cz>
3290
3291         PR tree-optimization/1046
3292         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3293         when alias info is not ready.
3294         (pass_tail_recursion): Do not require aliasing.
3295         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3296         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3297         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3298         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3299         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3300         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3301         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3302         before inlining.
3303         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3304         When aliasing is not build, mark statement as volatile.
3305
3306 2007-01-11  Tom Tromey  <tromey@redhat.com>
3307
3308         PR preprocessor/15185, PR preprocessor/20989:
3309         * doc/cppopts.texi <-MT>: Update description of algorithm for
3310         computing default target.
3311         <-M, -MD>: Reword "basename" text.
3312
3313 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3314
3315         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3316         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3317         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3318         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3319         fold_builtin_bswap, real_constp, fold_builtin_pow,
3320         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3321         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3322         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3323         * convert.c (convert_to_pointer): Likewise.
3324         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3325         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3326         const_binop, fold_convert_const_int_from_int,
3327         fold_convert_const_int_from_real,
3328         fold_convert_const_real_from_real, sign_bit_p,
3329         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3330         fold_sign_changed_comparison, fold_unary, fold_comparison,
3331         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3332         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3333         * print-tree.c (print_node_brief, print_node): Likewise.
3334         * stor-layout.c (place_field, layout_type): Likewise.
3335         * tree-chrec.c (keep_cast): Likewise.
3336         * tree.c (build_vector, build_real, build_real_from_int_cst,
3337         build_complex): Likewise.
3338
3339 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3340
3341         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3342         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3343
3344 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3345
3346         * configure.ac (strict1_warn): Rename to strict_warn.
3347         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3348         cc_set_by_configure, quoted_cc_set_by_configure,
3349         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3350         all_boot_languages, all_stagestuff): Remove.
3351         (target_list): Remove bootstrap targets.
3352         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3353         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3354         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3355         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3356         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3357         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3358         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3359         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3360         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3361         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3362         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3363         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3364         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3365         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3366         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3367         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3368         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3369         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3370         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3371         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3372         (mostlyclean): Adjust.
3373         (clean, distclean): Don't mention bootstrap stuff.
3374         * configure: Regenerate.
3375         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3376         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3377         treelang/config-lang.in (stagestuff): Remove.
3378         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3379         stageprofile, stagefeedback, stagestuff): Remove mention.
3380
3381 2007-01-11  Nick Clifton  <nickc@redhat.com>
3382
3383         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3384         Accept CONSTs.
3385         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3386         (mcore_arith_K_S_operand): Run the test for the S constraint not
3387         the test for the M constraint.
3388         (mcore_addsub_operand): Do not accept integer values that are
3389         larger than 32 bits.
3390         * config/mcore/mcore.md: Remove unused constraints from split.
3391         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3392         (addsi3): Likewise.
3393         (allocate_stack): Likewise.
3394         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3395         operands to 32 bits.
3396         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3397         INTVAL.
3398         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3399         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3400         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3401         mcore_output_bclri, mcore_output_andn, output_inline_const,
3402         mcore_output_move, mcore_output_movedouble): Likewise.
3403         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3404         (output_inline_const): Likewise.
3405         (output_inline_const): Fix format strings used in sprintf
3406         statements.
3407         * config/mcore/mcore-protos.h: Update prototypes for changed
3408         functions in mcore.c.
3409         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3410         HOST_WIDE_INT and not int.
3411         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3412         CONST_OK_FOR_N): Likewise.
3413         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3414         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3415         an INTVAL.
3416
3417 2007-01-10  Jan Hubicka  <jh@suse.cz>
3418
3419         * tree-vrp.c (remove_range_assertions): Release defs.
3420         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3421         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3422
3423 2007-01-10  Paul Brook  <paul@codesourcery.com>
3424
3425         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3426         * config/arm/arm.md (mulsi3subsi): New insn.
3427
3428 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
3429
3430         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3431         (tree_transform_and_unroll_loop): New.
3432         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3433         Declare.
3434
3435 2007-01-10  Robert Kennedy <jimbob@google.com>
3436
3437         * fold-const.c (fold_comparison): Fold comparisons like (x *
3438         1000 < 0) to (x < 0).
3439
3440 2007-01-10  Ian Lance Taylor  <iant@google.com>
3441
3442         * tree-pretty-print.c (dump_generic_node): Print parentheses when
3443         operands have the same priority.
3444
3445 2007-01-10  Tom Tromey  <tromey@redhat.com>
3446
3447         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3448         (fold_binary): Likewise.
3449         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3450         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3451         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3452         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3453         * langhooks.h (struct lang_hooks): Removed field
3454         'can_use_bit_fields_p'.
3455
3456 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
3457
3458         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3459
3460 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
3461
3462         * function.c (get_last_funcdef_no): New function.
3463         * function.h (get_last_funcdef_no): Declare.
3464         * tree-inline.c (initialize_cfun): Add initialization.
3465         (tree_function_versioning): Cleanup.
3466
3467 2007-01-10  Jan Hubicka  <jh@suse.cz>
3468
3469         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3470         PHIs.
3471
3472 2007-01-10  Sa Liu  <saliu@de.ibm.com>
3473             Ben Elliston  <bje@au.ibm.com>
3474
3475         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3476         for SAVE_NONLOCAL and Pmode for any other save level.
3477         * spu-protos.h (spu_restore_stack_block): Declare.
3478         * spu.md (save_stack_block): Remove.
3479         (restore_stack_block): Call spu_restore_stack_block.
3480         * spu.c (spu_restore_stack_block): New function.
3481         (spu_expand_epilogue): Remove old comment.
3482
3483 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
3484
3485         PR tree-optimization/30322
3486         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3487         (cand_value_at): Return the value as aff_tree.
3488         (may_eliminate_iv): Convert the bound from aff_tree to tree.
3489         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3490         aff_combination_mult): New functions.
3491         (aff_combination_add): Use aff_combination_add_cst.
3492         (aff_combination_convert): Allow conversions to a wider type.
3493         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3494         * tree-affine.h (aff_combination_mult): Declare.
3495
3496 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
3497
3498         * doc/tm.texi: Update documentation to reflect reality of exec
3499         and start file search behaviours. Update copyright year.
3500         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3501         header file directories.
3502
3503 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
3504
3505         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3506         (*cosxf2): Rename to cosxf2_i387.
3507         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
3508         using X87MODEF12 mode macro. Rename patterns to
3509         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
3510         for SSE math.
3511         (*cosdf2, *cossf2): Ditto.
3512         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
3513         to match extended input operands.
3514         (sincos<mode>3): New expander.
3515         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3516         insn patterns and corresponding splitters.
3517
3518 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3519
3520         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3521         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3522
3523 2007-01-09  Nicolas Pitre  <nico@cam.org>
3524
3525         PR target/30173
3526         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3527
3528 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3529
3530         * target.h (struct gcc_target): New field library_rtti_comdat.
3531         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3532         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3533         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3534         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3535
3536 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3537
3538         * doc/invoke.texi (Optimize Options): Correct description of -O0.
3539
3540 2007-01-08  Richard Guenther  <rguenther@suse.de>
3541
3542         * tree.h (force_fit_type_double): Export.
3543         (force_fit_type): Remove.
3544         * fold-const.c (force_fit_type_double): New function.
3545         (force_fit_type): Remove.
3546         (int_const_binop): Use it.
3547         (fold_convert_const_int_from_int): Likewise.
3548         (fold_convert_const_int_from_real): Likewise.
3549         (fold_div_compare): Likewise.
3550         (fold_sign_changed_comparison): Likewise.
3551         (fold_unary): Likewise.
3552         (fold_negate_const): Likewise.
3553         (fold_abs_const): Likewise.
3554         (fold_not_const): Likewise.
3555         * c-common.c (shorten_compare): Use force_fit_type_double.
3556         * convert.c (convert_to_pointer): Likewise.
3557
3558 2007-01-08  Richard Guenther  <rguenther@suse.de>
3559
3560         * tree.h (build_int_cst_wide_type): Export.
3561         * tree.c (build_int_cst_wide_type): New function.
3562         (build_int_cst_wide): Fix comment.
3563         * builtins.c (fold_builtin_object_size): Use build_int_cst
3564         to build -1 or 0 of the correct type.  Use fit_double_type
3565         to check for overflow.
3566         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3567         to build the mask.
3568         (decode_field_reference): Likewise.
3569         (all_ones_mask_p): Likewise.
3570         (native_interpret_int): Use build_int_cst_wide_type.
3571         (fold_binary): Use build_int_cst_type to build an all-ones
3572         value.
3573         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3574
3575 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
3576
3577         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3578
3579 2007-01-09  Ben Elliston  <bje@au.ibm.com>
3580
3581         * genautomata.c (STATS_OPTION): New option.
3582         (stats_flag): New flag.
3583         (gen_automata_option): Handle it.
3584         (initiate_automaton_gen): Ditto.
3585         (write_automata): Output statistics only if stats_flag is
3586         set. Likewise, output time statistics only if time_flag is set.
3587         * doc/md.texi (Processor pipeline description): Document new flag.
3588
3589 2007-01-08  Richard Guenther  <rguenther@suse.de>
3590
3591         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
3592         * tree.c (build_int_cst_type): Likewise.
3593         (size_in_bytes): Don't call force_fit_type on the result.
3594         (int_fits_type_p): Use fit_double_type.
3595         * fold-const.c (fit_double_type): New function.
3596         (force_fit_type): Use it.
3597         * tree.h (fit_double_type): Export.
3598
3599 2007-01-08  Jan Hubicka  <jh@suse.cz>
3600
3601         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
3602         * ipa.c (function_and_variable_visibility): Fix return type.
3603
3604 2007-01-08  Richard Guenther  <rguenther@suse.de>
3605
3606         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
3607         of offset to build the index.
3608         * tree-pretty-print.c (dump_generic_node): Don't build negated
3609         const just for printing.
3610         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3611         * builtins.c (fold_builtin_int_roundingfn): Check if result
3612         fits the type by using force_fit_type and comparing the result.
3613         * predict.c (predict_loops): Use compare_tree_int for comparison.
3614         * tree.c (build_int_cst): Fall back to integer_type_node for
3615         NULL_TREE type.
3616         (build_int_cst_wide): Assert type is non-null.
3617
3618 2007-01-08  Roberto Costa  <roberto.costa@st.com>
3619
3620         * tree-vrp.c (extract_range_from_cond_expr): New.
3621         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
3622         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
3623         as expressions.
3624         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
3625         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
3626         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
3627         used as expressions.
3628         * tree-object-size.c (cond_expr_object_size): New.
3629         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3630
3631 2007-01-08  Jan Hubicka  <jh@suse.cz>
3632
3633         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3634         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3635         statement.
3636
3637 2007-01-08  Richard Guenther  <rguenther@suse.de>
3638
3639         PR tree-optimization/23603
3640         * tree-vrp.c (set_value_range_to_truthvalue): New function.
3641         (extract_range_from_binary): Fall back to truthvalue instead of
3642         varying for TRUTH_*_EXPR.
3643         (extract_range_from_comparison): Fall back to truthvalue instead of
3644         varying.
3645         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
3646         if all visited PHI values were constant.
3647
3648 2007-01-08  Jan Hubicka  <jh@suse.cz>
3649
3650         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
3651         (cgraph_analyze_function): break out from ...
3652         (cgraph_finalize_compilation_unit): ... here.
3653         (cgraph_expand_function): Remove forgoten commented out line.
3654         (cgraph_optimize): Analyze functions.
3655
3656 2007-01-08  Jan Hubicka  <jh@suse.cz>
3657
3658         * tree-pas.h (TODO_remove_function): New flag.
3659         (TODO_update*): Renumber.
3660         (pass_ipa_increase_alignment,
3661         pass_ipa_function_and_variable_visibility): New passes.
3662         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
3663         (cgraph_function_and_variable_visibility): Move to ipa.c
3664         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
3665         cgraph_increase_alignment.
3666         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
3667         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
3668         calling tree-inline.
3669         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
3670         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
3671         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
3672         (gate_increase_alignment): New function.
3673         (pass_ipa_increase_alignment): New pass.
3674         * ipa.c: Inline tree-pass.h and timevar.h
3675         (function_and_variable_visibility): Move here from cgraphunit.c
3676         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
3677         * passes.c (init_optimization_passes): Add the two new passes.
3678         (execute_todo): Handle cgraph_remove_functions.
3679
3680 2007-01-08  Nick Clifton  <nickc@redhat.com>
3681
3682         * config/frv/predicates.md (reg_or_0_operand): Accept
3683         CONST_DOUBLEs.
3684
3685 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
3686
3687         * config/bfin/rtems.h, config/bfin/t-rtems: New.
3688         * config.gcc: Add bfin*-rtems*.
3689
3690 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3691
3692         * c.opt: Add -flax-vector-conversions.
3693         * c-typeck.c (convert_for_assignment): Pass flag to
3694         vector_types_convertible_p to allow emission of note.
3695         (digest_init): Likewise.
3696         * c-opts.c: Handle -flax-vector-conversions.
3697         * c-common.c (flag_lax_vector_conversions): New.
3698         (vector_types_convertible_p): Unless -flax-vector conversions
3699         has been passed, disallow conversions between vectors with
3700         differing numbers of subparts and/or element types.  If such
3701         a conversion is disallowed, possibly emit a note on the first
3702         occasion only to inform the user of -flax-vector-conversions.
3703         The new last argument specifies this.
3704         * c-common.h (flag_lax_vector_conversions): New.
3705         (vector_types_convertible_p): Add extra argument.
3706         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
3707         char_type_node for V*QI type vectors.
3708         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
3709         Update to satisfy new typechecking rules.
3710         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
3711         C and C++ variants.
3712         * doc/invoke.texi (C Dialect Options): Document
3713         -flax-vector-conversions.
3714
3715 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3716
3717         PR tree-optimization/29877
3718         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
3719         a register variable on the RHS to not be replaceable.
3720
3721 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
3722         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
3723         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
3724         const_simm15, const_pow2, const_npow2): Added.
3725         * config/score/misc.md (insv, extv, extzv, movmemsi,
3726         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
3727         * config/score/score.c (score_address_cost, score_select_cc_mode):
3728         Added.
3729         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
3730         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
3731         Update score_print_operand.
3732         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
3733         Adjust register allocate order and update some macro define.
3734         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
3735         mdx_block_move_straight, mdx_block_move_loop_head,
3736         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
3737         mdx_block_move): Added.
3738         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
3739         mdp_limm): Updated and fix some bug and typo.
3740         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
3741         (movsf, movdf, doloop_end): Added.
3742
3743 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
3744
3745         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
3746         config/arm/thumb2.md: Fix comment typos.
3747         * doc/extend.texi: Fix a typo.
3748
3749 2007-01-07  Eric Christopher  <echristo@apple.com>
3750
3751         * configure.ac: Check for __stack_chk_fail for darwin.
3752         * configure: Regenerate.
3753
3754 2007-01-07  Richard Guenther  <rguenther@suse.de>
3755
3756         * tree-vrp.c (extract_range_from_assert): CSE calls to
3757         compare_values where possible.
3758         (extract_range_from_unary_expr): Likewise.
3759
3760 2007-01-07  Anatoly Sokolov <aesok@post.ru>
3761
3762         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
3763         * config/avr/avr.c (call_insn_operand): Delete function.
3764         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
3765         instead of register number. Use predicates.
3766         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
3767         call_insn_operand): Add.
3768
3769 2007-01-06  Jan Hubicka  <jh@suse.cz>
3770
3771         * tree-pass.h (pass_build_cgraph_edges): Declare.
3772         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
3773         (visited_nodes): Remove.
3774         (cgraph_create_edges): Move to cgraphbuild.c; rename to
3775         build_cgrpah_edges; make visited_nodes local.
3776         (cgraph_process_new_functions): DO not call initialize_inline_failed.
3777         (record_references_in_initializer): Move to cgraphbuild.c
3778         (initialize_inline_failed, rebuild_cgraph_edges,
3779         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
3780         (verify_cgraph_node): Make visited_nodes local.
3781         (cgraph_analyze_function): Do not call cgraph_create_edges and
3782         initialize_inline_failed.
3783         (cgraph_expand_function): Do not call cgraph_lower_function;
3784         assert that function is already lowered.
3785         * Makefile.in (cgraphbuild.o): New.
3786         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
3787         at the end of lowering passes.
3788
3789 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
3790
3791         * ifcvt.c (cond_move_convert_if_block): New function, code
3792         factored out from...
3793         (cond_move_process_if_block): ...here.  Call the new function
3794         on the THEN and ELSE blocks.
3795         (merge_if_block): Do not copy global_live_at_end, merge_blocks
3796         already takes care of this.
3797
3798 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3799
3800         PR c/19978
3801         * tree.h (TREE_OVERFLOW_P): New.
3802         * c-typeck.c (parser_build_unary_op): Warn only if result
3803         overflowed and operands did not.
3804         (parser_build_binary_op): Likewise.
3805         (convert_for_assignment): Remove redundant overflow_warning.
3806         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
3807
3808 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3809
3810         * c-typeck.c (store_init_value): Split over two lines to follow
3811         the GNU coding style.
3812
3813 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
3814
3815         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
3816         __GXX_EXPERIMENTAL_CXX0X__.
3817         * doc/cpp.texi: Same.
3818
3819 2007-01-05  Richard Guenther  <rguenther@suse.de>
3820
3821         PR middle-end/27826
3822         * tree.c (get_narrower): Do not construct COMPONENT_REFs
3823         with mismatched types.  Instead explicitly build a
3824         conversion NOP_EXPR.
3825
3826 2007-01-05  Ian Lance Taylor  <iant@google.com>
3827
3828         * c-common.c (decl_with_nonnull_addr_p): New function.
3829         (c_common_truthvalue_conversion): Call it.
3830         * c-typeck.c (build_binary_op): Likewise.
3831         * c-common.h (decl_with_nonnull_addr_p): Declare.
3832
3833 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR c/30360
3836         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
3837         denom against 0.0.
3838
3839 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
3840
3841         * doc/install.texi (Final install): Document the fact that
3842         the GNAT runtime should not be stripped.
3843
3844 2007-01-04  Jan Hubicka  <jh@suse.cz>
3845
3846         * tree-inline.c (fold_marked_statements): Update operand caches
3847         and EH after folding
3848
3849 2007-01-04  Ian Lance Taylor  <iant@google.com>
3850
3851         * c-common.c (check_function_nonnull): Whitespace fix.
3852
3853 2007-01-04  Jan Hubicka  <jh@suse.cz>
3854
3855         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
3856         comitted older version of patch.
3857         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
3858         function, celanup cfg and collect garbage.
3859
3860 2007-01-04  Mike Stump  <mrs@apple.com>
3861
3862         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
3863         (clean): Likewise.
3864
3865 2007-01-04  Eric Christopher  <echristo@apple.com>
3866
3867         * libgcc2.c (__bswapsi2): Use SItype.
3868         (__bswapdi2): Use DItype.
3869         * libgcc2.h: Update for above.
3870
3871 2007-01-04  Paul Brook  <paul@codesourcery.com>
3872
3873         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
3874         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
3875         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
3876         umulsidi3, umulsidi3adddi, smulsi3_highpart,
3877         umulsi3_highpart): Make conditional on !arm_arch6.
3878         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
3879         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
3880         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
3881         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
3882         umulsi3_highpart_v6): New insns.
3883
3884 2007-01-04  Roger Sayle  <roger@eyesopen.com>
3885
3886         * fold-const.c (fold_convert): When casting an expression to void,
3887         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
3888         have a type.  Instead of attempting to build a NOP_EXPR, return
3889         these "special" trees directly.
3890
3891 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
3892
3893         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
3894         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
3895         rs6000_cost->fp not 0 as adjustment for outer NEG.
3896
3897 2007-01-04  Jan Hubicka  <jh@suse.cz>
3898
3899         * cgraph.c (cgraph_release_function_body): New function.
3900         (cgraph_remove_node): Use it.
3901         * cgraph.h (cgraph_release_function_body): Declare.
3902         * cgraphunit.c (cgraph_expand_function): Use it.
3903         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
3904         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
3905         is initialized and while compilation of other function is running.
3906         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
3907         statement CFG annotations from here to ...
3908         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
3909
3910 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
3911
3912         * cfgloop.h (enum li_flags): Make the constants powers of two.
3913
3914 2007-01-04  Jan Hubicka  <jh@suse.cz>
3915
3916         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
3917         set.
3918         (fold_marked_statements): New function.
3919         (optimize_inline_calls, tree_function_versioning): Fold new statements.
3920         * tree-inline.h (copy_body_data): Add statements_to_fold.
3921
3922 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
3923
3924         * config.gcc: Mention libgcc/config.host.
3925         * Makefile.in: Update comments mentioning libgcc.
3926         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
3927         (all.cross, start.encap, rest.encap, rest.cross): Update
3928         dependencies for libgcc move.
3929         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
3930         (clean-target, clean-target-libgcc): Delete.
3931         (srcdirify, GCC_EXTRA_PARTS): New macros.
3932         (libgcc-support, libgcc.mvars): New rules.
3933         (distclean): Remove mention of mklibgcc.
3934         (install): Don't reference INSTALL_LIBGCC.
3935         (install-common): Don't reference EXTRA_PARTS.
3936         (install-libgcc, install-multilib): Delete rules.
3937         * mklibgcc.in: Delete file.
3938         * doc/configfiles.texi: Don't mention mklibgcc.
3939
3940         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
3941         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
3942         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
3943         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
3944         (mklibgcc, ldblspecs): Likewise.
3945
3946         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
3947         (posixpre.def): Use $(T).
3948         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
3949         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3950         (SHLIB_LINK): Make dummy.
3951         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3952
3953         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3954
3955         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3956         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3957         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3958         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3959
3960         * configure.ac (all_outputs): Remove mklibgcc.
3961         * configure: Regenerated.
3962
3963 2007-01-03  Josh Conner  <jconner@apple.com>
3964
3965         PR middle-end/29683
3966         * calls.c (compute_argument_addresses): Set stack and stack_slot
3967         for partial args, too.
3968         (store_one_arg): Use locate.size.constant for the size when
3969         generating a save_area.
3970
3971 2007-01-03  Robert Kennedy <jimbob@google.com>
3972
3973         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3974         whose definitions are deleted due to basic block merging.
3975
3976 2007-01-03  Paul Brook  <paul@codesourcery.com>
3977
3978         PR target/16634
3979         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3980         functions.
3981         (use_return_insn): Return 0 for Thumb interrupt functions.
3982         (print_multi_reg): Add rfe argument for IRQ returns.
3983         (arm_output_epilogue): Pop interrupt return address directly into PC.
3984         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3985
3986 2007-01-03  Paul Brook  <paul@codesourcery.com>
3987
3988         Merge from sourcerygxx-4_1.
3989         * config/arm/thumb2.md: New file.
3990         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3991         Thumb-2.
3992         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3993         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3994         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3995         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3996         tables.
3997         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3998         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3999         comptibility.
4000         * config/arm/ieee754-sf.S: Ditto.
4001         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4002         (thumb1_base_register_rtx_p): ... to this.
4003         (thumb_index_register_rtx_p): Rename...
4004         (thumb1_index_register_rtx_p): ... to this.
4005         (thumb_output_function_prologue): Rename...
4006         (thumb1_output_function_prologue): ... to this.
4007         (thumb_legitimate_address_p): Rename...
4008         (thumb1_legitimate_address_p): ... to this.
4009         (thumb_rtx_costs): Rename...
4010         (thumb1_rtx_costs): ... to this.
4011         (thumb_compute_save_reg_mask): Rename...
4012         (thumb1_compute_save_reg_mask): ... to this.
4013         (thumb_final_prescan_insn): Rename...
4014         (thumb1_final_prescan_insn): ... to this.
4015         (thumb_expand_epilogue): Rename...
4016         (thumb1_expand_epilogue): ... to this.
4017         (arm_unwind_emit_stm): Rename...
4018         (arm_unwind_emit_sequence): ... to this.
4019         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4020         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4021         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4022         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4023         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4024         thumb2_output_casesi): New functions.
4025         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4026         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4027         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4028         THUMB2_WORK_REGS): Define.
4029         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4030         arm_condexec_mask, arm_condexec_masklen)): New variables.
4031         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4032         (arm_override_options): Check new CPU capabilities.
4033         Set new architecture flag variables.
4034         (arm_isr_value): Handle v7m interrupt functions.
4035         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
4036         Thumb-2.
4037         (const_ok_for_arm): Handle Thumb-2 constants.
4038         (arm_gen_constant): Ditto.  Use movw when available.
4039         (arm_function_ok_for_sibcall): Return false for v7m interrupt
4040         functions.
4041         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4042         (thumb_find_work_register, arm_load_pic_register,
4043         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4044         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4045         print_multi_reg, output_mov_long_double_fpa_from_arm,
4046         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4047         output_mov_double_fpa_from_arm, output_move_double,
4048         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4049         output_return_instruction, arm_output_function_prologue,
4050         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4051         arm_output_mi_thunk, thumb_set_return_address): Ditto.
4052         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
4053         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4054         (arithmetic_instr, shift_op): Use arm_shift_nmem.
4055         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
4056         '!' and 'L'.
4057         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4058         (thumb_expand_prologue): Use thumb_set_frame_pointer.
4059         (arm_file_start): Output directive for unified syntax.
4060         (arm_unwind_emit_set): Handle stack alignment instruction.
4061         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4062         Add v6t2, v7, v7a, v7r and v7m.
4063         (RETLDM): Add Thumb-2 code.
4064         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4065         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4066         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4067         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4068         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4069         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4070         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4071         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4072         ADJUST_INSN_LENGTH): Define.
4073         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4074         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4075         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4076         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4077         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4078         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4079         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4080         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4081         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4082         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4083         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4084         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4085         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4086         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4087         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4088         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4089         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4090         cortex-m3.
4091         * config/arm/arm-tune.md: Regenerate.
4092         * config/arm/arm-protos.h: Update prototypes.
4093         * config/arm/vfp.md: Enable patterns for Thumb-2.
4094         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4095         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4096         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4097         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4098         * config/arm/libunwind.S: Add Thumb-2 code.
4099         * config/arm/constraints.md: Update include Thumb-2.
4100         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4101         * config/arm/ieee754-df.S: Ditto.
4102         * config/arm/bpabi.S: Ditto.
4103         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4104         * config/arm/predicates.md (low_register_operand,
4105         low_reg_or_int_operand, thumb_16bit_operator): New.
4106         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4107         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4108         * config/arm/t-arm-elf: Add armv7 multilib.
4109         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4110         Include thumb2.md.
4111         (UNSPEC_STACK_ALIGN, ce_count): New.
4112         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4113         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4114         insns/expanders.
4115         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4116         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4117         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4118         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4119         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4120         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4121         insns.
4122         * doc/extend.texi: Document ARMv7-M interrupt functions.
4123         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4124
4125 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4126
4127         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4128         (struct _Unwind_Context): Rename args_size to flags, remove
4129         signal_frame field, add a new args_size field and version field.
4130         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4131         _Unwind_IsExtendedContext): New inline functions.
4132         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4133         Assume by_value array is only present if _Unwind_IsExtendedContext.
4134         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4135         _Unwind_IsSignalFrame.
4136         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4137         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4138         (uw_init_context_1): Initialize context->flags to
4139         EXTENDED_CONTEXT_BIT.
4140         * config/rs6000/linux-unwind.h (frob_update_context): Use
4141         _Unwind_SetSignalFrame.
4142
4143 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4144
4145         PR middle-end/30353
4146         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4147         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4148         the value.
4149
4150 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4151
4152         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4153         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4154         RET, AT_SP): Remove.
4155         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4156         instead of RET.
4157
4158         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4159         * cfgbuild.c (find_basic_blocks): Likewise.
4160         * cfgrtl.c (rtl_create_basic_block): Likewise.
4161         * function.c (temp_slots_at_level): Likewise.
4162         * reg-stack.c (stack_regs_mentioned): Likewise.
4163         * regclass.c (allocate_reg_info): Likewise.
4164         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4165         set_bb_for_stmt, move_block_to_fn): Likewise.
4166         * tree-complex.c (tree_lower_complex): Likewise.
4167         * vec.h (VEC_safe_grow_cleared): New.
4168
4169         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4170
4171 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4172
4173         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4174         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4175         to loop_version.
4176         * cfgloopmanip.c (scale_loop_frequencies): Export.
4177         (loopify): Scale the frequencies by prescribed coefficients.
4178         (set_zero_probability): New function.
4179         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4180         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4181         and frequencies according to arguments.
4182         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4183         correctly.
4184         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4185         * modulo-sched.c (sms_schedule): Set probabilities for entering
4186         versioned loop correctly.
4187         * tree-vect-transform.c (vect_transform_loop): Ditto.
4188         * cfgloop.h (loopify, loop_version): Declaration changed.
4189         (scale_loop_frequencies): Declared.
4190
4191 2007-01-02  Jan Hubicka  <jh@suse.cz>
4192
4193         * cgraph.c: Include tree-flow.h
4194         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4195         early_local_passes.
4196         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4197         * tree-pass.h (pass_all_early_optimizations): Declare.
4198         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4199         early_local_passes.
4200         (cgraph_analyze_function): Do early_local_passes.
4201         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4202         Do not add referenced vars.
4203         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4204         SSA form.
4205         (gate_all_early_local_passes): New gate.
4206         (pass_early_local_passes): Use new gate.
4207         (execute_early_local_optimizations): New functions.
4208         (gate_all_early_optimizations): New gate.
4209         (pass_all_early_optimizations): New pass.
4210         (execute_free_datastructures): Free SSA only when initialized.
4211         (gate_init_datastructures): Init only when optimizing.
4212         (tree_lowering_passes): Do early local passes when called late.
4213         * tree-profile.c (do_tree_profiling): Don't profile functions added
4214         late.
4215         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4216         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4217         not active.
4218         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4219         during early_local_passes.
4220         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4221
4222
4223 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4224
4225         * Makefile.in: Update copyright year.
4226
4227 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4228
4229         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4230         in $(lang_checks) and check-consistency targets.
4231
4232 2007-01-02  Jan Hubicka  <jh@suse.cz>
4233
4234         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4235         Do not add referenced vars.
4236         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4237         are not active.
4238         * passes.c (init_optimization_passes): Put mudflap_2 after
4239         free_datastructures.
4240
4241 2007-01-02  Jan Hubicka  <jh@suse.cz>
4242
4243         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4244         Set NOTHROW flag on call statements proved to be nothrow.
4245         Update statement of local calls so new pure/const functions are
4246         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4247         goto receivers.
4248         (tree_rest_of_compilation): Register hooks and initialize bitmap
4249         early. Do not set after_inlining flag.
4250
4251 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4252
4253         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4254         HOST_BITS_PER_LONGLONG
4255
4256 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4257
4258         PR c/19977
4259         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4260         warning for non-static initializers.
4261
4262 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4263
4264         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4265         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4266         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4267         Always use set_unique_reg_note to add REG_EQUAL notes.
4268
4269 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4270
4271         Revert:
4272         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4273
4274         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4275         * cfgbuild.c (find_basic_blocks): Likewise.
4276         * cfgrtl.c (rtl_create_basic_block): Likewise.
4277         * function.c (temp_slots_at_level): Likewise.
4278         * reg-stack.c (stack_regs_mentioned): Likewise.
4279         * regclass.c (allocate_reg_info): Likewise.
4280         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4281         set_bb_for_stmt, move_block_to_fn): Likewise.
4282         * tree-complex.c (tree_lower_complex): Likewise.
4283         * vec.h (VEC_safe_grow_cleared): New.
4284
4285 2007-01-02  Ian Lance Taylor  <iant@google.com>
4286
4287         * c-common.c (c_common_truthvalue_conversion): When warning about
4288         using an assignment as a truth value, set TREE_NO_WARNING.
4289
4290 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4291
4292         PR middle-end/7651
4293         * c.opt (Wold-style-declaration): New.
4294         * doc/invoke.texi (C-only Warning Options): New.
4295         (Wold-style-declaration): Document it.
4296         (Wextra): Enabled by -Wextra.
4297         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4298         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4299         -Wold-style-declaration.
4300
4301 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4302
4303         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4304         * cfgbuild.c (find_basic_blocks): Likewise.
4305         * cfgrtl.c (rtl_create_basic_block): Likewise.
4306         * function.c (temp_slots_at_level): Likewise.
4307         * reg-stack.c (stack_regs_mentioned): Likewise.
4308         * regclass.c (allocate_reg_info): Likewise.
4309         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4310         set_bb_for_stmt, move_block_to_fn): Likewise.
4311         * tree-complex.c (tree_lower_complex): Likewise.
4312         * vec.h (VEC_safe_grow_cleared): New.
4313
4314 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4315
4316         * c-common.c (c_common_nodes_and_builtins): Since variants of
4317         void_type_node get built before it is given a name, we need to
4318         give those variants the name, too.
4319         (complete_array_type): We need to work with the canonical main
4320         type of the array, from which we will build the qualified version.
4321         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4322         * print-tree.c (print_node): Display canonical type information
4323         for each type.
4324         * stor-layout.c (layout_type): When we don't know the
4325         alignment of a type for which we're building an array, we end up
4326         guessing wrong, so make the type require structural equality.
4327         * tree.c (make_node_stat): When we build a new type, it is its
4328         own canonical type.
4329         (build_type_attribute_qual_variant): When building an attribute
4330         variant, its canonical type is the non-attribute variant. However,
4331         if the attributes are target-dependent and they differ, we need to
4332         use structural equality checks for this type.
4333         (build_qualified_type): A qualified type is not equivalent to its
4334         unqualified variant; set the canonical type appropriately.
4335         (build_distinct_type_copy): When building a distinct type from
4336         another type, the new type is its own canonical type.
4337         (build_variant_type_copy): When building a new type variant, we
4338         assume that it is equivalent to the original type.
4339         (build_pointer_type_for_mode): When building a pointer type, also
4340         build a canonical type pointer.
4341         (build_reference_type_for_mode): When building a reference type,
4342         also build a canonical type reference.
4343         (build_index_type): When we can't hash an index type (e.g.,
4344         because its maximum value is negative), the index type requires
4345         structural equality tests.
4346         (build_array_type): Build the canonical form of an array type.
4347         (build_function_type): Function types require structural equality,
4348         because they contain default arguments, attributes, etc.
4349         (build_method_type_directly): Ditto for method types.
4350         (build_offset_type): Build the canonical offset type.
4351         (build_complex_type): Build the canonical vector type.
4352         (make_vector_type): Build the canonical vector type.
4353         * tree.h (TYPE_CANONICAL): New.
4354         (TYPE_STRUCTURAL_EQUALITY_P): New.
4355         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4356         (struct tree_type): Added "canonical" field.
4357         * params.h (VERIFY_CANONICAL_TYPES): New.
4358         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4359         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4360         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4361         * doc/invoke.texi (verify-canonical-types): Document --param
4362         parameter for verifying canonical types.
4363
4364 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4365
4366         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4367         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4368         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4369         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4370         tm_file.
4371         * config/rs6000/e500.h: New.
4372         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4373         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4374         Remove.
4375         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4376         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4377         TARGET_E500_DOUBLE): Remove.
4378         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4379         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4380         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4381         * config/rs6000/rs6000.c (rs6000_override_options): Use
4382         CHECK_E500_OPTIONS.
4383
4384 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4385
4386         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4387         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4388         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4389         rs6000_emit_cmove): Don't check TARGET_E500.
4390         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4391         sordered): Don't check TARGET_E500.
4392
4393 2007-01-01  Eric Christopher  <echristo@apple.com>
4394
4395         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4396         HARD_REGISTER_NUM_P.
4397
4398 2007-01-01  Roger Sayle  <roger@eyesopen.com>
4399
4400         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4401         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4402         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4403         eq/ne Y".
4404
4405 2007-01-01  Mike Stump  <mrs@apple.com>
4406
4407         * configure.ac: Remove support for building with Apple's gcc-3.1.
4408
4409 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4410
4411         PR middle-end/30311
4412         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4413         REG is a hard register.  Do not modify REG before calling
4414         subreg_nregs.
4415         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4416         multiple of the size of YMODE for certain lowpart cases.
4417
4418 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4419
4420         PR middle-end/30253
4421         * gimplify (voidify_wrapper_expr): Update for
4422         GIMPLE_MODIFY_STMT.
4423
4424 2007-01-01  Andreas Schwab  <schwab@suse.de>
4425
4426         PR target/29166
4427         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4428         save of BR0 in extra_spill_size instead of spill_size.
4429         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4430         area.
4431         (ia64_expand_epilogue): Restore BR0 from its new location.
4432
4433 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4434
4435         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4436         Use a temporary variable if the left hand side is not a gimple
4437         register.
4438
4439 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4440
4441         * gimplify.c (gimplify_return_expr): Make the temporary variable
4442         for the return expression, a gimple register variable.
4443
4444 2007-01-01  Jan Hubicka  <jh@suse.cz>
4445
4446         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4447         INSN_LIST.
4448
4449 2007-01-01  Mike Stump  <mrs@apple.com>
4450
4451         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4452         .literal16.
4453         * config/darwin.c (machopic_select_rtx_section): Use
4454         HAVE_GAS_LITERAL16.
4455         (darwin_mergeable_constant_section): Likewise.
4456         * configure: Regenerate.
4457         * config.in: Regenerate.
4458
4459 2007-01-01  Jan Hubicka  <jh@suse.cz>
4460             Andrew Pinski  <pinskia@gmail.com>
4461
4462         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4463         before starting IPA passes.