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