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