2007-02-06 Seongbae Park <seongbae.park@gmail.com>
[official-gcc.git] / gcc / ChangeLog
blobed39761449291e8e6c0727adab56c125417b1a57
1 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3         PR inline-asm/28686
4         * global.c (compute_regsets): New function.
5         (global_alloc): Refactored ELIMINABLE_REGSET
6         and NO_GLOBAL_ALLOC_REGS computation out.
7         (rest_of_handle_global_alloc): Call compute_regsets()
8         for non-optimizing case.
10 2007-02-06  Richard Henderson  <rth@redhat.com>
12         * config/i386/constraints.md (Y2): Rename from Y.
13         (Yi): New constraint.
14         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
15         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
16         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
17         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
18         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
19         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
20         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, 
21         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
22         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
23         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
25         vec_extractv2si_1): Change Y constraints to Y2.
26         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
27         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
28         Change Y constraints to Y2.
29         (sse2_loadld): Change Y constraints to x.
31 2007-02-06  Roger Sayle  <roger@eyesopen.com>
33         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
34         (parity<mode>2): New define_expand using rs6000_emit_parity.
35         * config/rs6000/rs6000.c (rs6000_emit_popcount,
36         rs6000_emit_parity): New functions.
37         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
38         rs6000_emit_parity): Prototype here.
40 2007-02-06  Ian Lance Taylor  <iant@google.com>
42         * lower-subreg.c (simple_move_operand): Reject CONST.
43         (resolve_clobber): Call validate_change rather than directly
44         assigning to XEXP (pat, 0).
46 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
48         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
49         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
50         (tree-cfg.o): Remove hashtab.h dependency.
52         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
53         (struct ivopts_data): Change niters to pointer_map_t.
54         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
55         (niter_for_exit): Create pointer_map on demand.  Change for
56         pointer_map API.
57         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
58         (free_loop_data): Destroy data->niters if created and reset field.
59         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
60         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
62         * tree-ssa-reassoc.c: Include pointer-set.h.
63         (bb_rank): Change to long *.
64         (operand_rank): Change to pointer_map_t.
65         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
66         (insert_operand_rank): Accept long.
67         (operand_entry_hash, operand_entry_eq): Remove.
68         (get_rank): Return long.  Adjust for changes above.
69         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
70         and operand_rank.
71         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
73         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
74         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
75         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
76         is not NULL.
77         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
78         directly since it cannot be NULL.
79         (get_vi_for_tree): Rewrite for pointer_map API.
80         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
81         (init_alias_vars): Create vi_for_tree as pointer_map.
82         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
84         * tree-cfg.c: Don't include hashtab.h.
85         (edge_to_cases): Declare as pointer_map.
86         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
87         Delete.
88         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
89         (start_recording_case_labels): Create edge_to_cases as pointer_map.
90         (end_recoding_case_labels): Cleanup edge_to_cases manually before
91         destroying it.
92         (record_switch_edge): Delete.
93         (get_cases_for_edge): Adjust for pointer_map API, inline
94         record_switch_edge (rewritten for new API), remove goto.
96 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
98         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
99         * tree-nested.c: Include pointer-set.h.
100         (var_map_elt, var_map_eq, var_map_hash): Delete.
101         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
102         to pointer_map_t's.
103         (nesting_info_bitmap_obstack): New.
104         (lookup_field_for_decl): Adjust for pointer_map API.
105         (lookup_tramp_for_decl): Adjust for pointer_map API.
106         (get_nonlocal_debug_decl): Adjust for pointer_map API.
107         (get_local_debug_decl): Adjust for pointer_map API.
108         (convert_nl_goto_reference): Adjust for pointer_map API.
109         (convert_nl_goto_receiver): Adjust for pointer_map API.
110         (create_nesting_tree): Create outside GGC space.  Create bitmap on
111         the new obstack.  Create field_map and var_map as pointer_maps.
112         (free_nesting_tree): Adjust for changes to create_nesting_tree.
113         (root): Delete. 
114         (lower_nested_functions): Move root here, no need to NULL it.
115         Initialize and release the obstack.
117 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
119         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
120         Remove prototypes and make them non-static.
121         (struct tree_int_map): Remove.
122         * tree.h (struct tree_int_map): Move here, turning TO into an
123         unsigned int.
124         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
126         * tree.h (TREE_COMPLEXITY): Remove.
127         (struct tree_exp): Remove complexity field.
128         * tree.c (build1_stat): Don't set it.
130 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
131             Victor Kaplansky  <victork@il.ibm.com>
133         * tree-vectorizer.c (vect_is_simple_use): Support induction.
134         (vect_is_simple_reduction): Support reduction with induction as
135         one of the operands.
136         (vect_is_simple_iv_evolution): Fix formatting.
137         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix 
138         formatting.  Don't mark induction phis for vectorization.
139         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
140         * tree-vect-transform.c (get_initial_def_for_induction): New function.
141         (vect_get_vec_def_for_operand): Support induction.
142         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
143         induction case.
144         (vectorizable_reduction): Support reduction with induction as one of 
145         the operands. 
146         (vectorizable_type_demotion): Use def-type of stmt argument rather
147         than dummy def-type.
149         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
150         flag_tree_scev_cprop.
151         * common.opt (tree-scev-cprop): New flag.
153         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
154         call to vect_get_new_vect_var.
156 2007-02-06  Ira Rosen  <irar@il.ibm.com>
158         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that 
159         vectype is not NULL.
160         (vect_pattern_recog_1): Likewise.
162 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
164         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
165         (fold_negate_expr): Likewise.
167 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
169         PR debug/30189
170         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
171         even if cv-qualification is the same.
173 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
175         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
176         __enable_execute_stack on completion.
178 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
180         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
181         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
182         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
183         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
184         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
185         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
186         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
187         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
189 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
191         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
192         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
193         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
194         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
195         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
196         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
197         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
198         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
199         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
200         umuldi3_highpart_rex64, umulsi3_highpart_insn,
201         umulsi3_highpart_zext, smuldi3_highpart_rex64,
202         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
203         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
204         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
205         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
206         sqrtextenddfxf2_i387): Added amdfam10_decode.
207         
208         * config/i386/athlon.md (athlon_idirect_amdfam10,
209         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
210         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
211         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
212         athlon_ivector_store_amdfam10): New define_insn_reservation.
213         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
214         amdfam10.
216 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
218         * config/i386/athlon.md (athlon_call_amdfam10,
219         athlon_pop_amdfam10, athlon_lea_amdfam10): New
220         define_insn_reservation.
221         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
222         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
223         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
225 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
227         * config/i386/athlon.md (athlon_sseld_amdfam10,
228         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
229         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
231 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
233         * config/i386/athlon.md (athlon_sseins_amdfam10): New
234         define_insn_reservation.
235         * config/i386/i386.md (sseins): Added sseins to define_attr type
236         and define_attr unit.
237         * config/i386/sse.md: Set type attribute to sseins for insertq
238         and insertqi.
240 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
242         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
243         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
244         ssecomi_load_amdfam10, ssecomi_amdfam10,
245         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
246         define_insn_reservation.
247         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
249 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
251         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
252         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
253         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
254         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
255         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
256         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New 
257         define_insn_reservation.
259         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
260         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
261         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
262         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
263         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
265 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
267         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
268         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
269         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
270         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
271         athlon_ssemul_load_k8): Added amdfam10.
273 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
275         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
276         (x86_sse_unaligned_move_optimal): New variable.
277         
278         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for  
279         m_AMDFAM10.
280         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
281         for unaligned vector SSE double/single precision loads for AMDFAM10.
283 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
285         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
286         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
287         Define TARGET_CPU_DEFAULT_amdfam10.
288         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
289         (processor_type): Add PROCESSOR_AMDFAM10.       
290         
291         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
292         processor_type in config/i386/i386.h.
293         Enable imul peepholes for TARGET_AMDFAM10.
294         
295         * config.gcc: Add support for --with-cpu option for amdfam10.
296         
297         * config/i386/i386.c (amdfam10_cost): New variable.
298         (m_AMDFAM10): New macro.
299         (m_ATHLON_K8_AMDFAM10): New macro.
300         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
301         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
302         x86_promote_QImode, x86_integer_DFmode_moves,
303         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
304         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
305         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
306         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
307         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
308         Enable/disable for amdfam10.
309         (override_options): Add amdfam10_cost to processor_target_table.
310         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in 
311         processor_alias_table.
312         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
313         (ix86_adjust_cost): Add code for amdfam10.
315 2007-02-05      Harsha Jagasia  <harsha.jagasia@amd.com>
316         
317         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
318         instruction set feature flag. Add new (-mpopcnt) flag for popcnt 
319         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
320         * config/i386/i386.h: Add builtin definition for SSE4A.
321         * config/i386/i386.md: Add support for ABM instructions 
322         (popcnt and lzcnt).
323         * config/i386/sse.md: Add support for SSE4A instructions
324         (movntss, movntsd, extrq, insertq).
325         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
326         Add -march=amdfam10 flag.
327         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
328         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
329         and amdfam10.
330         * doc/extend.texi: Add documentation for SSE4A builtins.
332 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
334         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
336 2007-02-05  Richard Guenther  <rguenther@suse.de>
338         * tree-vectorizer.h (vectorizable_function): Add argument type
339         argument, change return type.
340         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
341         * tree-vect-transform.c (vectorizable_function): Handle extra
342         argument, return vectorized function decl.
343         (build_vectorized_function_call): Remove.
344         (vectorizable_call): Handle calls with result and argument types
345         differing.  Handle loop vectorization factor correctly.
346         * targhooks.c (default_builtin_vectorized_function): Adjust for
347         extra argument.
348         * targhooks.h (default_builtin_vectorized_function): Likewise.
349         * target.h (builtin_vectorized_function): Add argument type
350         argument.
351         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
352         extra argument, allow vectorizing of lrintf.
353         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
354         documentation of target hook.
356 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
358         PR target/30665
359         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
360         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
361         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
363 2007-02-05  Roger Sayle  <roger@eyesopen.com>
365         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
366         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
367         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
368         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
369         before canonicalizing sincos to cexpi.
370         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
372 2007-02-05  Roger Sayle  <roger@eyesopen.com>
374         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
375         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
376         (alpha_init_builtins): Use alpha_add_builtins to process tables.
378 2007-02-05  Roger Sayle  <roger@eyesopen.com>
380         * mips-tfile.c (initialize_init_file): Correct endianness test.
382 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
384         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
385         the 'y' constraint.
387 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
389         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
390         saves in a PARALLEL before the register assignments.
392 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
394         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
395         DWARF_FRAME_RETURN_COLUMN to be a general register.
396         * dwarf2out.c (init_return_column_size): New function, split from...
397         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
398         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
399         to be nongeneral registers.
400         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
401         integer registers.
402         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
403         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
405 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
407         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
409 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
411         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
412         (remove_path): Use can_remove_branch_p and remove_branch instead
413         of loop_delete_branch_edge.
414         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
415         (tree_transform_and_unroll_loop): Remove dead branches immediately.
416         Update profile using scale_dominated_blocks_in_loop.
417         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
418         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
419         (can_remove_branch_p, remove_branch): Declare.
420         * tree-cfg.c (tree_can_remove_branch_p): New function.
421         (tree_cfg_hooks): Add tree_can_remove_branch_p.
422         * cfgrtl.c (rtl_can_remove_branch_p): New function.
423         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
425 2007-02-05  Jan Hubicka  <jh@suse.cz>
427         PR middle-end/30696
428         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
429         nodes in cgraph, don't remove offline copy of the function.
431 2007-02-04  Jan Hubicka  <jh@suse.cz>
433         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
434         vectors might cause maybe_lookup_element_for_expr to be called
435         on non-sra-candidate.
437 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
439         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
440         config/bfin/bfin.md, config/bfin/predicates.md: Follow
441         spelling conventions.
443 2007-02-04  Richard Guenther  <rguenther@suse.de>
445         PR middle-end/30636
446         * fold-const.c (try_move_mult_to_index): Make sure to not
447         overflow one dimension of a multi-dimensional array access.
449 2007-02-04  Jan Hubicka  <jh@suse.cz>
451         * passes.c (init_optimization_passes): Reindent.
453 2007-02-04  Jan Hubicka  <jh@suse.cz>
454             Eric Botcazou  <ebotcazou@adacore.com>
456         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
457         (execute_fixup_cfg): Break out the abnormal goto code.
458         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
459         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
460         (optimize_inline_calls): Call make_nonlocal_label_edges.
462 2007-02-04  Jan Hubicka  <jh@suse.cz>
464         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
465         true when something was changed.
466         (rename_ssa_copies): When something was changed, do
467         TODO_remove_unused_locals.
468         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
469         add TODO_remove_unused_locals when instruction was removed.
471 2007-02-04  Jan Hubicka  <jh@suse.cz>
473         * ipa-inline.c (try_inline): Improve debug output; work on already
474         inline edges too.
475         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
476         call try_inline for already inlined edges too when flattening; 
477         inline also functions that make callee growth but overall unit size
478         reduce.
480 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
482         * config/m32c/bitops.md, config/m32c/jump.md,
483         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
484         config/m32r/m32r.h, config/m32r/m32r.md,
485         config/m32r/predicates.md, config/m68hc11/larith.asm,
486         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
487         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
488         config/mips/mips-protos.h, config/mips/mips.c,
489         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
490         config/mn10300/mn10300.h, config/mn10300/predicates.md,
491         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
492         spelling conventions.
494         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
495         Follow spelling conventions.
497 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
499        * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
500        warn about C++0x compatibility.
501         
502 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
504         * config/h8300/h8300.c, config/h8300/h8300.h,
505         config/h8300/h8300.md: Follow spelling conventions.
507 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
509         PR middle-end/30667
510         * combine.c (try_combine): Do not substitute source operand
511         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
513 2007-02-03  Jan Hubicka  <jh@suse.cz>
515         PR gcov-profile/30650
516         * value-prof.c (stringop_block_profile): Fix handling of size counter;
517         do not divide by zero for never executed counters.
518         (tree_find_values_to_profile): Fix counters.
519         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
521 2007-02-03  Ian Lance Taylor  <iant@google.com>
523         * lower-subreg.c (simple_move_operand): New static function,
524         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
525         operands.
526         (simple_move): Call simple_move_operand.
527         (find_decomposable_subregs): Add special handling of MEMs.
528         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
529         meaning of return value.  If we see a hard register, test whether
530         it can store a word_mode value.  Change all callers.
532 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
534         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
535         ftrapv insns and expanders.
536         (subdi3): Change define_expand operand 1 to arith11_operand, and
537         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
538         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
539         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
540         respectively.
542         PR middle-end/30174
543         * varasm.c (notice_global_symbol): Treat global objects as weak when
544         flag_shlib is true.
546 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
548         * emit-rtl.c (dconstpi): Delete.
549         (dconstsqrt2): New.
550         (init_emit_once): Delete dconstpi and init dconstsqrt2.
551         * real.h (dconstpi): Delete.
552         (dconstsqrt2): New.
553         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
554         (fold_builtin_hypot): Likewise.
556 2007-02-03  Tom Tromey  <tromey@redhat.com>
558         PR driver/30246
559         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
560         -gcoff3, -gxcoff3, -gvms3 implies -dD.
562 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
564         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
565         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
566         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
567         config/rs6000/cell.md, config/rs6000/darwin.h,
568         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
569         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
570         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
571         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
572         typos.  Follow spelling conventions.
573         * doc/invoke.texi: Follow spelling conventions.
575 2007-02-03  Roger Sayle  <roger@eyesopen.com>
577         * simplify-rtx.c (simplify_relational_operation_1): Implement some
578         canonicalization transformations that attempt to simplify integer
579         constant comparisons to become comparisons against zero.
581 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
583         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
584         fabs(x)*sqrt(2).
585         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
586         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
588 2007-02-02  Mike Stump  <mrs@apple.com>
590         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
591         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
592         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
593         generate a branch island.
595 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
597         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
598         (xtensa_legitimate_address_p): New.
599         (xtensa_legitimize_address): New.
600         (xtensa_output_addr_const_extra): New.
601         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
602         (BASE_REG_P): New.
603         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
604         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
605         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
606         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
607         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
608         (xtensa_legitimize_address): New.
609         (xtensa_output_addr_const_extra): New.
611 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
613         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
615 2007-02-02  Ian Lance Taylor  <iant@google.com>
617         * expmed.c (expand_divmod): Add comment.
619 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
621         * emit-rtl.c (renumber_insns): Remove.
622         * flags.h: Remove the extern for flag_renumber_insns.
623         * rtl.h: Remove the prototype for renumber_insns.
624         * toplev.c (flag_renumber_insns): Remove.
626 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
628         Revert for x86 darwin:
629         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
630         
631         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
632         code before the following patch under TARGET_MACHO.
633         (ix86_function_value_regno_p): Likewise.
635 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
637         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
638         COMPLEX_EXPR.
640 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
642         PR target/29682
643         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
644         general or fp registers.  Add comments.
645         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
647 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
649         * pointer-set.c (insert_aux): Only return insertion slot.
650         (pointer_set_insert): Adjust.
651         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
652         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
653         pointer_map_traverse): New.
654         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
655         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
656         pointer_map_contains, pointer_map_traverse): Declare.
658 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
660         PR middle-end/30473
661         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
662         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
664 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
666         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
667         
668         (struct _dep): New type.
669         (dep_t): New typedef.
670         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
671         (DEP_STATUS): New access macro.  The macro with the same name was
672         renamed to DEP_LINK_STATUS.
673         (dep_init): Declare function
675         (struct _dep_link): New type.
676         (dep_link_t): New typedef.
677         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
678         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
679         (DEP_LINK_STATUS): New macro.
680         (debug_dep_links): New debug function.
682         (struct _deps_list): New type.
683         (deps_list_t): New typedef.
684         (DEPS_LIST_FIRST): New access macro.
685         (FOR_EACH_DEP_LINK): New cycle macro.
686         (create_deps_list, free_deps_list, delete_deps_list): Declare
687         functions.
688         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
689         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
690         (copy_deps_list_change_con): Ditto.
692         (move_dep_link): Declare function.
694         (struct _dep_node): New type.
695         (dep_node_t): New typedef.
696         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
698         (struct haifa_insn_data.back_deps): New field to hold backward
699         dependencies of the insn.
700         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
701         to deps_list_t.
702         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
703         Change its type to deps_list_t.
704         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
705         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
706         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
708         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
709         
710         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
712         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
713         all callers.
714         (dep_cost): Declare.
715         
716         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
717         (ds_to_dk, dk_to_ds): New functions.
718         
719         (init_dep_1): New static function.
720         (init_dep): New function.
721         (copy_dep): New static function.
722         
723         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
724         functions.
725         (detach_dep_link): New static function.
726         (move_dep_link): New function.
727         
728         (dep_links_consistent_p, dump_dep_links): New static functions.
729         (debug_dep_links): New debugging function.
730         
731         (deps_obstack, dl_obstack, dn_obstack): New static variables.
732         
733         (alloc_deps_list, init_deps_list): New static functions.
734         (create_deps_list): New function.
735         (clear_deps_list): New static function.
736         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
737         (deps_list_consistent_p, dump_deps_list): New static functions.
738         (debug_deps_list): New function.
739         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
740         functions.
741         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
743         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
744         use new scheduler dependencies lists.
745         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
746         (sched_analyze): Ditto.  Initialize dependencies lists.
747         (add_forw_dep, compute_forward_dependences): Update to use new
748         scheduler dependencies lists.
749         
750         (init_dependency_caches): Init deps_obstack.
751         (free_dependency_caches): Free deps_obstack.
752         
753         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
754         new scheduler dependencies lists.
755         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
756         (add_back_forw_dep, delete_back_forw_dep): Ditto.
758         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
759         Update to use new scheduler dependencies lists.
760         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
761         (debug_dependencies): Ditto.
762         (schedule_region): Update comments.
763         
764         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
765         scheduler dependencies lists.
766         (schedule_ebb): Update comments.
767         
768         * rtl.def (DEPS_LIST): Remove.
769         
770         * lists.c (unused_deps_list): Remove.
771         (free_list): Update assertions.
772         
773         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
774         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
776         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
777         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
778         
779         * haifa-sched.c (comments): Update.
780         (insn_cost1): Remove.  Inline the code into insn_cost ().
781         (insn_cost): Update to use new scheduler dependencies lists.  Move
782         processing of the dependency cost to dep_cost ().
783         (dep_cost): New function.  Use it instead of insn_cost () when
784         evaluating cost of the dependency.  Use compatible interface to
785         interact with the target.
786         (priority): Update to use new scheduler dependencies lists.
787         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
788         with greater number of insns that depend on the insn.
789         (schedule_insn): Update to use new scheduler dependencies lists.  Add
790         code to free backward dependencies lists.  Inline and optimize code
791         from resolve_dep () - see PR28071.
792         (ok_for_early_queue_removal): Update to use new scheduler dependencies
793         lists.  Update call to targetm.sched.is_costly_dependence hook.
794         
795         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
796         scheduler dependencies lists.
797         
798         (resolve_dep): Remove.  Move the logic to schedule_insn ().
799         (init_h_i_d): Initialize dependencies lists.
800         
801         (process_insn_depend_be_in_spec): Rename to
802         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
803         dependencies lists.
804         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
805         Update to use new scheduler dependencies lists.
806         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
807         
808         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
809         new scheduler dependencies lists.
810         (build_intra_loop_deps): Ditto.
811         
812         * target.h (struct _dep): Declare to use in
813         gcc_target.sched.is_costly_dependence.
814         (struct gcc_target.sched.adjust_cost): Fix typo.
815         (struct gcc_target.sched.is_costly_dependence): Change signature to use
816         single dep_t parameter instead of an equivalent triad.
817         (struct gcc_target.sched.adjust_cost_2): Remove.
819         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
821         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
823         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
824         documentation.
825         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
827         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
828         (REG_DEP_TRUE): Document.
829         
830         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
831         Change signature to correspond to the targetm.sched.adjust_cost hook.  
832         Update use in TARGET_SCHED_ADJUST_COST_2.
833         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
834         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
835         new scheduler dependencies lists.
836         (ia64_gen_check): Ditto.
838         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
839         dependencies lists.
840         
841         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
842         signature to correspond to the targetm.sched.is_costly_dependence hook.
843         (is_costly_group): Update to use new scheduler dependencies lists.
845         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
846         instead of INSN_COST () macro.
848 2007-02-01  Ian Lance Taylor  <iant@google.com>
850         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
852 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
854         * pa.md (tp_load): Correct mfctl instruction syntax.
856 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
858         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
859         altivec_padding_size calculation on AIX.  Improve comment, add
860         assert to verify that it's right.
862         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
863         64-bit.
865 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
867         PR inline-asm/28686
868         * global.c (global_alloc): Add mising initialization of
869         ELIMINABLE_REGSET.
871 2007-02-01  Roger Sayle  <roger@eyesopen.com>
873         * alias.c (init_alias_analysis): Correct whitespace.
874         * bb-reorder.c (fix_edges_for_rarely_executed_code,
875         partition_hot_cold_basic_blocks): Likewise.
876         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
877         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
878         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
879         fold_builtin_snprintf_chk, fold_builtin_printf,
880         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
881         do_mpfr_arg3, do_mpfr_sincos): Likewise.
882         * cfgcleanup.c (cleanup_cfg): Likewise.
883         * cfgexpand.c (tree_expand_cfg): Likewise.
884         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
885         * function.c (get_next_funcdef_no): Likewise.
886         * gengtype.c (main): Likewise.
887         * genmodes.c (main): Likewise.
888         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
889         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
890         * ifcvt.c (noce_emit_move_insn): Likewise.
891         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
892         Likewise.
893         * stor-layout.c (get_best_mode): Likewise.
894         * tree-ssa-loop-niter.c (get_val_for): Likewise.
895         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
896         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
897         perform_var_substitution, solve_graph): Likewise.
898         * tree-vrp.c (vrp_finalize): Likewise.
900 2007-02-01  Ian Lance Taylor  <iant@google.com>
902         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
903         high part of a paradoxical subreg, return a constant zero.
905 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
907         * toplev.c (lang_dependent_init): Call init_set_costs.
908         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
910 2007-02-01  Richard Guenther  <rguenther@suse.de>
912         PR middle-end/30656
913         * fold-const.c (fold_negate_expr): Allow negating a
914         constant if overflow does not change.
916 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
918         * doc/c-tree.texi (Expression trees): Improve markup.
919         * doc/tm.texi (Register Classes, Addressing Modes)
920         (Floating Point): Fix spacing after abbreviations.  Fix some
921         typos.
923 2007-02-01  Ben Elliston  <bje@au.ibm.com>
925         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
926         * doc/contrib.texi: Likewise.
927         * doc/install.texi: Likewise.
929 2007-01-31  Richard Henderson  <rth@redhat.com>
930             Ian Lance Taylor  <iant@google.com>
932         * lower-subreg.c: New file.
933         * rtl.def (CONCATN): Define.
934         * passes.c (init_optimization_passes): Add pass_lower_subreg and
935         pass_lower_subreg2.
936         * emit-rtl.c (update_reg_offset): New static function, broken out
937         of gen_rtx_REG_offset.
938         (gen_rtx_REG_offset): Call update_reg_offset.
939         (gen_reg_rtx_offset): New function.
940         * regclass.c: Revert patch of 2006-03-05, restoring
941         reg_scan_update.
942         (clear_reg_info_regno): New function.
943         * dwarf2out.c (concatn_loc_descriptor): New static function.
944         (loc_descriptor): Handle CONCATN.
945         * common.opt (fsplit_wide_types): New option.
946         * opts.c (decode_options): Set flag_split_wide_types when
947         optimizing.
948         * timevar.def (TV_LOWER_SUBREG): Define.
949         * rtl.h (gen_reg_rtx_offset): Declare.
950         (reg_scan_update): Declare.
951         * regs.h (clear_reg_info_regno): Declare.
952         * tree-pass.h (pass_lower_subreg): Declare.
953         (pass_lower_subreg2): Declare.
954         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
955         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
956         -fsplit-wide-types.
957         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
958         * Makefile.in (OBJS-common): Add lower-subreg.o.
959         (lower-subreg.o): New target.
961 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
963         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
965 2007-01-31  Anatoly Sokolov <aesok@post.ru>
967         PR target/19087
968         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
970 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
972         PR middle-end/29335
973         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
975 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
977         * cfgloop.h: Include vec-prim.h.
978         (enum li_flags): Remove LI_ONLY_OLD.
979         (loop_iterator): Changed.
980         (fel_next, fel_init): Iterate over loop tree.
981         (FOR_EACH_LOOP_BREAK): New macro.
982         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
983         FOR_EACH_LOOP.
984         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
985         * modulo-sched.c (sms_schedule): Ditto.
986         * tree-vectorizer.c (vectorize_loops): Ditto.
987         * doc/loop.texi: Update information on loop numbering and behavior of
988         FOR_EACH_LOOP wrto new loops.
989         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
990         add_to_evolution_1): Test nestedness of loops instead of comparing
991         their numbers.
992         * tree-chrec.c (chrec_fold_plus_poly_poly,
993         chrec_fold_multiply_poly_poly, chrec_evaluate,
994         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
995         reset_evolution_in_loop): Ditto.
996         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
998 2007-01-31  Dirk Mueller  <dmueller@suse.de>
1000         * c-common.c (warn_about_parentheses): Separate warning about
1001         un-parenthized sequence of comparison operators from the one
1002         which is supposed to warn about x <= y <= z.
1004 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
1006         * optabs.h (enum optab_index): Add new OTI_isinf.
1007         (isinf_optab): Define corresponding macro.
1008         * optabs.c (init_optabs): Initialize isinf_optab.
1009         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1010         patterns.
1011         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1012         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1013         using isinf_optab.
1014         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1015         expand_builtin_interclass_mathfn.
1016         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1017         * config/i386/i386.md (UNSPEC_FXAM): New constant.
1018         (fxam<mode>2_i387): New insn pattern.
1019         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1020         built-in functions as x87 inline asm.
1022 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1024         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1026 2007-01-30  Eric Christopher  <echristo@apple.com>
1028         * config.gcc: Add geode.
1030 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
1032         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1033         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1034         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1035         value-prof.c: Fix comment typos.
1037 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1039         PR c++/24745
1040         * doc/invoke.texi (Wpointer-arith): Document warning.
1042 2007-01-30  Janis Johnson
1044         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1045         the list of discrepancies from the draft TR.
1047 2007-01-30  Dirk Mueller  <dmueller@suse.de>
1049         PR c++/30601
1050         * doc/invoke.texi (-Wreturn-type): Update description to
1051         match new behavior.
1053 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
1055         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1057 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
1059         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1060         to handle optabs that operate on floating point input argument and
1061         output to integer output.
1062         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1063         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1064         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1065         expand_builtin_interclass_mathfn ().
1066         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1067         (ilogbsi2): Remove.
1068         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1069         ilogbl built-in functions as x87 intrinsics.
1071 2007-01-30  Richard Guenther  <rguenther@suse.de>
1073         PR middle-end/27657
1074         * dwarf2out.c (reference_to_unused): Query varpool if the
1075         variable was output.
1077 2007-01-30  Richard Guenther  <rguenther@suse.de>
1079         PR middle-end/30313
1080         * passes.c (execute_one_pass): Reset in_gimple_form to not
1081         confuse non-unit-at-a-time mode.
1083 2007-01-29  Roger Sayle  <roger@eyesopen.com>
1084             Richard Guenther  <rguenther@suse.de>
1086         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1087         avoid undefined behaviour on overflow.  Use force_fit_type_double
1088         to construct the constant with the specified TREE_OVERFLOW.
1090 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1092         * config/dfp-bit.c: Add parameterized support for fp exceptions.
1093         * config/dfp-bit.h: Ditto.
1095 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1097         * c-decl.c (pop_scope): Replace warnings with call to
1098         warn_for_unused_label.
1099         * c-common.h (warn_for_unused_label): Declare.
1100         * c-common.c (warn_for_unused_label): Define.
1102 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1104         * tree-optimize.c (update_inlined_to_pointers): Delete unused
1105         function.
1107 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
1109         * Makefile.in (USER_H): Remove decfloat.h.
1110         * ginclude/decfloat.h: Delete, moving contents to ...
1111         * ginclude/float.h: Add support for decimal floating point,
1112         guarded by __STDC_WANT_DEC_FP__.
1114 2007-01-29  Mike Stump  <mrs@apple.com>
1116         * doc/gccint.texi (Top): Rename Loop Representation to Loop
1117         Analysis and Representation to resolve case insensitive conflict.
1118         * doc/loop.texi (Loop Analysis and Representation): Likewise.
1120 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
1122         * tree.h (struct tree_memory_tag): Add aliases member.
1123         (MTAG_ALIASES): New macro.
1124         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1125         (add_may_alias): Remove pointer-set. Update for may_aliases being
1126         a bitmap.
1127         (mark_aliases_call_clobbered): Update for may_aliases being a
1128         bitmap.
1129         (compute_tag_properties): Ditto.
1130         (create_partition_for): Ditto.
1131         (compute_memory_partitions): Ditto.
1132         (dump_may_aliases_for): Ditto.
1133         (is_aliased_with): Ditto.
1134         (add_may_alias_for_new_tag): Ditto.
1135         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1136         (compute_is_aliased): New function.
1137         (compute_may_aliases): Call compute_is_aliased).
1138         (init_alias_info): Initialize alias_bitmap_obstack.
1139         (union_alias_set_into): New function.
1140         (compute_flow_sensitive_aliasing): Use union_aliases_into.
1141         (have_common_aliases_p): Rewrite to take two bitmaps and use
1142         intersection.
1143         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1144         Update for bitmaps.
1145         (finalize_ref_all_pointers): Update for add_may_alias changes.
1146         (new_type_alias): Ditto.
1147         * tree-flow-inline.h (may_aliases): Return a bitmap.
1148         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1149         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1150         may_aliases being a bitmap.
1151         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1152         may_aliases now returns a bitmap.
1153         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1154         being a bitmap.
1155         * tree-ssa-operands.c (add_virtual_operand): Update for
1156         may_aliases being a bitmap.
1158 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
1160         PR tree-optimization/30630
1161         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1162         variable as changed.
1164 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
1166         PR c++/28266
1167         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1168         expanded only once even if an error occurs.
1170 2007-01-29  Ben Elliston  <bje@au.ibm.com>
1172         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1173         (__gcov_average_profiler): Likewise.
1174         (__gcov_ior_profiler): Likewise.
1175         (__gcov_merge_ior): Likewise.
1177 2007-01-28  Jan Hubicka  <jh@suse.cz>
1179         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1180         * value-prof.c (stringop_block_profile): Likewise.
1182 2007-01-28  Jan Hubicka  <jh@suse.cz>
1184         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1185         variant handling histograms; add wrapper.
1186         (clear_storage_via_libcall): Export.
1187         (emit_block_move_hints): Break out from ...; add histograms.
1188         (emit_block_move): ... this one.
1189         (clear_storage_hints): Break out from ...; add histograms.
1190         (clear_storage): ... this one.
1191         (set_storage_via_memset): Handle histogram.
1192         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1193         (clear_storage_hints, clear_storage_via_libcall): Declare.
1194         (set_storage_via_setmem): Update prototype.
1195         * doc/md.texi (movmem, setmem): Document new arguments.
1197         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1198         new histograms.
1199         (stringop_block_profile): New global function.
1200         (tree_stringops_values_to_profile): Profile block size and alignment.
1201         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1202         HIST_TYPE_IOR.
1203         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1204         (stringop_block_profile): Declare.
1205         * builtins.c: Include value-prof.h.
1206         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1207         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1208         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1209         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1210         * profile.c (instrument_values): Add new counters.
1211         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1212         calls.
1213         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1214         (tree_init_edge_profiler): Build new profilers.
1215         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1216         (pass_tree_profile): Add dump.
1217         (tree_profile_hooks): Update.
1218         * Makefile.in (LIBGCOV): Add new constants.
1219         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1220         __gcov_ior_profiler): New.
1221         * i386.md (movmem/setmem expanders): Add new optional arguments.
1223 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
1225         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1227 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1229         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1230         (tree_unswitch_single_loop): Pass eni_size_weights to
1231         tree_num_loop_insns.
1232         * tree-ssa-loop-manip.c: Include tree-inline.h.
1233         (can_unroll_loop_p): Pass eni_size_weights to
1234         tree_num_loop_insns.
1235         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1236         Pass eni_size_weights to estimate_num_insns.
1237         * tree.h (init_inline_once): Export.
1238         * toplev.c (backend_init): Call init_inline_once.
1239         * cgraphunit.c (cgraph_process_new_functions,
1240         cgraph_analyze_function): Pass eni_inlining_weights to
1241         estimate_num_insns.
1242         * ipa-inline.c (compute_inline_parameters): Ditto.
1243         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1244         to estimate_num_insns.
1245         (try_unroll_loop_completely): Pass eni_size_weights to
1246         tree_num_loop_insns.
1247         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1248         ot estimate_num_insns.
1249         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1250         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1251         * tree-inline.c (eni_inlining_weights, eni_size_weights,
1252         eni_time_weights): New variables.
1253         (init_inline_once): Initialize them.
1254         (struct eni_data): Mew.
1255         (estimate_num_insns_1, estimate_num_insns): Use weights.
1256         * tree-inline.h (struct eni_weights_d): New.
1257         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1258         (estimate_num_insns): Declaration changed.
1259         * cfgloop.h (tree_num_loop_insns): Declaration changed.
1260         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1261         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1263 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
1265         * tree-data-ref.c (conflict_fn): Assert that the number of affine
1266         relations in the conflict function is valid.
1268 2007-01-27  Ian Lance Taylor  <iant@google.com>
1270         * common.opt: Add fstrict-overflow.
1271         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1272         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1273         (TYPE_OVERFLOW_UNDEFINED): Define.
1274         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1275         Replace all uses.
1276         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1277         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1278         (fold_negate_expr): Likewise.
1279         (make_range): Likewise.
1280         (extract_muldiv_1): Likewise.
1281         (maybe_canonicalize_comparison): Likewise.
1282         (fold_comparison): Likewise.
1283         (fold_binary): Likewise.
1284         (tree_expr_nonnegative_p): Likewise.
1285         (tree_expr_nonzero_p): Likewise.
1286         * tree-vrp.c (compare_values): Likewise.
1287         (extract_range_from_binary_expr): Likewise.
1288         (extract_range_from_unary_expr): Likewise.
1289         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1290         Likewise.
1291         (nowrap_type_p): Likewise.
1292         * tree-scalar-evolution.c (simple_iv): Likewise.
1293         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1294         (build_range_check): Likewise.
1295         (extract_muldiv_1): Likewise.
1296         (fold_comparison): Likewise.
1297         * tree-vrp.c (vrp_int_const_binop): Likewise.
1298         (extract_range_from_unary_expr): Likewise.
1299         * convert.c (convert_to_integer): Likewise.
1300         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1301         (fold_comparison): Likewise.
1302         (fold_binary): Likewise.
1303         * optabs.c (optab_for_tree_code): Likewise.
1304         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1305         * simplify-rtx.c (simplify_const_relational_operation): Check
1306         flag_strict_overflow and flag_trapv.
1307         (simplify_const_relational_operation): Likewise.
1308         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1309         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1310         -fstrict-overflow.
1312 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1314         * tree.c (tree_fold_gcd): Delete.
1315         * tree.h (tree_fold_gcd): Remove prototype.
1316         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1317         test whether one constant integer is a multiple of another.  Instead
1318         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1319         * fold-const.c (multiple_of_p):  We've determined both TOP and
1320         BOTTOM are integer constants so we can call int_const_binop directly
1321         instead of the more generic const_binop.
1323 2007-01-27  Roger Sayle  <roger@eyesopen.com>
1325         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1326         1*X check that the constant hasn't overflowed, to preserve the
1327         TREE_OVERFLOW bit.
1328         (round_up): Provide an efficient implementation when rouding-up an
1329         INTEGER_CST to a power-of-two.
1331 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1333         * doc/sourcebuild.texi: Add comma for clarity.
1334         * doc/extend.texi: Fix some typos.
1335         * doc/passes.texi: Likewise.
1336         * doc/cppinternals.texi: Likewise.
1337         * doc/c-tree.texi: Likewise.
1338         * doc/tree-ssa.texi: Likewise.
1339         * doc/install.texi: Likewise.
1341 2007-01-27  Jan Hubicka  <jh@suse.cz>
1343         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1344         (pass_sra): Do not require alias information.
1345         * passes.c (init_optimization_passes): Add SRA
1347 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
1349         * tracer.c (rest_of_handle_tracer): We already cleaned
1350         up the CFG in tracer() so don't do it here again.
1351         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1352         cleanup_cfg here, either.  And don't call renumber_insns.
1354         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1355         and BB_HEAD are in the insn stream here.  Instead make sure
1356         that BB_INSN is valid on all insns.  Also, do check here that
1357         there are no pending branch predictions...
1358         (rtl_verify_flow_info): ...instead of doing it here.  Checks
1359         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1360         here.
1362 2007-01-26  Roger Sayle  <roger@eyesopen.com>
1364         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1365         function to simplify/factorize operand order canonicalization.
1366         (ix86_fixup_binary_operands): Reorganize using the above function.
1367         (ix86_binary_operator_ok): Likewise.
1369 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
1371         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1372         file scope from optimize_attrs.
1373         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1374         up search.
1375         (optimize_attrs): Clear insn_code_values after freeing it.
1377 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1379         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1380         a parts.base assignment.
1382 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
1384         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1385         (compute_subscript_distance, initialize_data_dependence_relation,
1386         finalize_ddr_dependent, analyze_ziv_subscript,
1387         analyze_siv_subscript_cst_affine,
1388         compute_overlap_steps_for_affine_univar,
1389         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1390         analyze_siv_subscript, analyze_miv_subscript,
1391         analyze_overlapping_iterations, subscript_dependence_tester_1,
1392         compute_self_dependence, free_dependence_relation): Work
1393         with affine_fn instead of chrecs.
1394         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1395         common_affine_function, affine_function_base,
1396         affine_function_constant_p, affine_fn_op, affine_fn_plus,
1397         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1398         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1399         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1400         (all_chrecs_equal_p): Removed.
1401         * tree-data-ref.h (affine_fn, conflict_function): New types.
1402         (struct subscript): Change type of conflicting_iterations_in_a
1403         and conflicting_iterations_in_b.
1405 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
1407         PR other/30182
1408         * config/pa/pa.h (TARGET_HPUX_11): New.
1409         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1410         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1412 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
1413         Richard Guenther  <rguenther@suse.de>
1415         * tree-ssa-structalias.c (solve_graph): Handle case
1416         we merged the variable to another.
1418 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1420         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1421         functions.
1423         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1424         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1426 2007-01-25  DJ Delorie  <dj@redhat.com>
1428         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1429         allow changes to modes which don't fit in those registers.
1431         * reload1.c (choose_reload_regs): Check for invalid subregs before
1432         computing their locations, not after.
1434 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
1436         PR 25127
1437         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1438         save Altivec registers in an eh_return function.
1439         (compute_vrsave_mask): Likewise.
1440         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1441         for saving Altivec registers.
1442         (rs6000_emit_prologue): Don't allocate stack twice in
1443         eh_return function.  Correct expected value of altivec_save_offset
1444         when using save_world.  Describe save of R0 to stack when using
1445         save_world.  Describe stack pointer adjustment when using
1446         save_world.  Remove duplicated eh_return parameter register saving.
1447         Update sp_offset variable after save_world.
1448         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1449         darwin-world.asm.
1450         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1451         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1452         implies Altivec.
1454 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1456         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1458 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
1460         PR other/30182
1461         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1462         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
1464 2007-01-25  Richard Guenther  <rguenther@suse.de>
1466         * doc/invoke.texi (-Wcoverage-mismatch): Document.
1467         * common.opt (-Wcoverage-mismatch): New warning option.
1468         * coverage.c (get_coverage_counts): Ignore coverage mismatch
1469         if -Wcoverage-mismatch is given.
1471 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
1473         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1474         (ipcp_driver): Change to static definition.
1475         Add dumping of the ifunctions.
1476         (constant_val_insert): Remove unused parameter. Support for SSA.
1477         (ipcp_propagate_const): Support for SSA.
1478         (ipcp_profile_bb_print): Print only analyzed nodes.
1479         (ipcp_replace_map_create): Remove support for Fortran constant
1480         for now.
1481         * ipa-prop.c (ipa_method_modify_stmt,
1482         ipa_callsite_compute_param): Support for SSA.
1483         * ipa-prop.h (ipcp_driver): Remove declaration.
1484         (IS_VALID_TREE_MAP_INDEX): Add define.
1486 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
1488         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
1490 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1492         PR middle-end/30447
1493         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
1494         constant argument to cabs and do it without checking for
1495         -funsafe-math-optimizations.
1497 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
1499         * c-common.h (RID_FIRST_CXX0X): New.
1500         (RID_LAST_CXX0X): New.
1501         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
1502         by -Wall.
1503         * c.opt (Wc++0x-compat): New.
1504         * doc/invoke.texi (-Wc++0x-compat): Document.
1506 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1508         * builtins.c (fold_builtin_carg): New.
1509         (fold_builtin_1): Use it.
1511 2007-01-24  Jan Hubicka  <jh@suse.cz>
1513         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
1515         * ipa-inline.c (initial_insns, max_insns): Delete.
1516         (compute_max_insns): New function.
1517         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
1518         of insns as base for code growth.
1519         (cgraph_decide_inlining): Make initial_insns local; do not compute
1520         max_insns.
1521         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
1522         * doc/invoke.texi (inline-unit-growth): Update docs.
1524 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
1526         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
1527         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
1528         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
1529         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
1530         for CPUs that have PTA_CX16 set.
1532         PR middle-end/27416
1533         * gimplify.c (omp_check_private): New function.
1534         (gimplify_scan_omp_clauses): Use it for
1535         firstprivate/lastprivate/reduction.
1537         PR middle-end/30494
1538         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1539         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1541         PR middle-end/30421
1542         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1543         If lower_lastprivate_clauses emits some statements, append them
1544         to dlist rather than body_p and to body_p append an initializer.
1545         (lower_omp_for): Adjust caller.
1547 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
1549         * target.h (globalize_decl_name): New.
1550         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1551         * output.h (default_globalize_decl_name): New.
1552         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
1553         globalize_label.
1554         (globalize_decl): Ditto.
1555         (default_globalize_decl_name): New.
1556         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
1557         (ia64_handle_version_id_attribute): New.
1558         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1559         (ia64_asm_output_external): Use globalize_decl_name instead
1560         of globalize_label.
1561         * doc/extend.texi (version_id): New pragma.
1562         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
1564 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1566         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
1567         _uleb128_t and _Unwind_SWord with _sleb128_t.
1568         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
1569         uw_frame_state_for, uw_update_context_1): Likewise.
1570         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
1571         * unwind-pe.h (read_uleb128, read_sleb128,
1572         read_encoded_value_with_base): Likewise.
1573         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
1575 2007-01-24  Richard Guenther  <rguenther@suse.de>
1577         * builtins.c (expand_builtin_cexpi): Get the fndecl
1578         for cexp in the correct way.
1580 2007-01-24  Jan Hubicka  <jh@suse.cz>
1582         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
1584 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1586         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
1587         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
1588         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
1589         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
1590         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
1591         __SIZEOF_PTRDIFF_T__.
1592         * doc/cpp.texi: Documentation for the new builtin macros added.
1594 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
1596         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
1597         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
1598         instead of operands[2] to avoid access past the end of array.
1600 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
1602         * reload1.c (emit_reload_insns): Pass the reload register
1603         for a non-spill output reload through forget_old_reloads_1.
1605 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
1607         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1608         _SOFT_DOUBLE if doubles use software floating-point.
1609         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
1610         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1611         * config/rs6000/darwin-ldouble.c: Also compile functions for
1612         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
1613         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1614         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
1615         commented-out long double override.
1616         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
1617         * config/rs6000/eabispe.h: Likewise.
1618         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
1619         long double for non-SPE.
1620         (rs6000_handle_option): Likewise.
1621         (invalid_e500_subreg): Disallow more subregs involding DImode,
1622         DFmode, TImode or TFmode.
1623         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
1624         E500 double.
1625         (legitimate_lo_sum_address_p): Also check for TFmode for E500
1626         double.
1627         (rs6000_legitimize_address): Also handle TFmode for E500 double.
1628         (rs6000_legitimize_reload_address): Also handle TFmode for E500
1629         double.
1630         (rs6000_legitimate_address): Also check for TFmode for E500
1631         double.
1632         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
1633         (spe_build_register_parallel): Handle TFmode and TCmode.
1634         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
1635         double.
1636         (function_arg): Handle TFmode and TCmode for E500 double.
1637         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
1638         in general.
1639         (print_operand): Handle TFmode and TImode for %y.
1640         (rs6000_generate_compare): Handle TFmode comparisons for E500
1641         double.
1642         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
1643         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
1644         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
1645         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
1646         TFmode for E500 double.
1647         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
1648         (floatsidf2): Enable for E500 double.
1649         (movtf_softfloat): Use rs6000_nonimmediate_operand.
1650         (extenddftf2): Change to extenddftf2_fprs.
1651         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
1652         depending on TARGET_E500_DOUBLE.
1653         (extendsftf2): Enable for E500 double.
1654         (trunctfdf2): Enable for E500 double.
1655         (trunctfsf2): Change to trunctfsf2_fprs.
1656         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
1657         depending on TARGET_E500_DOUBLE.
1658         (floatsitf2): Enable for E500 double.
1659         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
1660         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
1661         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
1662         (negtf2): Change to negtf2_internal.
1663         (negtf2): New expander.
1664         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
1665         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
1666         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
1667         (movdi_internal32): Use rs6000_nonimmediate_operand.
1668         (unnamed splitter): Likewise.
1669         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
1670         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
1671         (SPE64TF, DITI): New mode macros.
1672         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
1673         modes.
1674         (frob_tf_ti): New.
1675         (frob_<mode>_di_2): New.
1676         (frob_tf_di_8_2): New.
1677         (frob_di_df): Change to frob_di_<mode>; allow more modes.
1678         (frob_ti_tf): New.
1679         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
1680         more modes.
1681         (frob_ti_<mode>_8_2): New.
1682         (frob_ti_tf_2): New.
1683         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
1684         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
1685         TFmode.
1686         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
1687         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
1688         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
1689         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
1690         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
1691         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
1692         tsttflt_gp): New.
1694 2007-01-23  Ian Lance Taylor  <iant@google.com>
1696         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
1697         insn-*.o first.
1698         (OBJS-archive): Reformat, alphabetize.
1699         (OBJS): Change out_object_file to OBJS-md.
1701 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
1703         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
1704         JUMP_P and CALL_P predicates where applicable.
1705         * config/i386/i386.c: Ditto.
1706         * config/i386/i386.md: Ditto.
1707         * config/i386/mmx.md: Ditto.
1708         * config/i386/predicates.md: Ditto.
1710 2007-01-22  Andreas Schwab  <schwab@suse.de>
1712         * config/m68k/m68k.h: Fix comment.
1714 2007-01-22  Jan Hubicka  <jh@suse.cz>
1716         * passes.c (init_optimization_passes): Do not rerun
1717         pass_early_warn_uninitialized.
1719 2007-01-22  Richard Guenther  <rguenther@suse.de>
1721         PR tree-optimization/30038
1722         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
1723         function.
1724         (execute_cse_sincos_1): Likewise.
1725         (execute_cse_sincos): Likewise.
1726         (gate_cse_sincos): Likewise.
1727         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
1728         the cexpi() canonicalization of sincos().
1729         * tree-pass.h (pass_cse_sincos): Declare.
1730         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
1732 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1734         PR rtl-optimization/29329
1735         * combine.c (replaced_rhs_insn): Rename to i2mod.
1736         (replaced_rhs_value): Rename to i2mod_new_rhs.
1737         (i2mod_old_rhs): New global variable.
1738         (combine_instructions): Adjust for above change.  Save a copy of
1739         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
1740         note are substituted in the second instruction.
1741         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
1742         ditch the note if it pertains to the second eliminated register
1743         and this register is mentioned in i2mod_old_rhs.
1745         Revert:
1746         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1748         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1749         the insn to which the note was originally attached.
1751 2007-01-21  Jan Hubicka  <jh@suse.cz>
1753         * ipa-inline.c (inlining_mode): Comment, move up.
1754         (cgraph_decide_inlining_incrementally): Do not perform inlining
1755         itself; fix handling of flattening of self recursive functions.
1756         (cgraph_find_cycles): Remove.
1757         (cgraph_flatten_node): Remove.
1758         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
1759         (try_inline): New function.
1760         (cgraph_early_inlining): Update call of
1761         cgraph_decide_inlining_incrementally.  Apply inlining here.
1762         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
1764 2007-01-21  Dirk Mueller  <dmueller@suse.de>
1766         PR bootstrap/30511
1767         * tree-vrp.c (check_array_bounds): do not warn
1768         about ADDR_EXPR's of ARRAY_REF's which are immediately
1769         used in binary expressions.
1771 2007-01-21  Ira Rosen  <irar@il.ibm.com>
1773         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
1774         read_write_dep and macros for its access.
1775         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1776         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
1777         argument, call vect_check_interleaving for every independent pair of
1778         data-refs. Mark loads that access the same memory location as a store
1779         in the loop.
1780         (vect_check_dependences): Remove.
1781         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
1782         call, fix the call to vect_analyze_data_ref_dependence.
1783         (vect_analyze_data_ref_access): For statements that access the same
1784         data-ref, check that they are not stores; for loads, check that there
1785         is no store that access the same location.
1787 2007-01-20  Roger Sayle  <roger@eyesopen.com>
1788             Joseph Myers  <joseph@codesourcery.com>
1790         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
1791         (-fdump-rtl-stack): Likewise.
1792         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
1793         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
1794         (-mpt-fixed): Use @minus{} for minus sign.
1795         (Using Precompiled Headers): Fix under/overfull hbox.
1797 2007-01-20  Jan Hubicka  <jh@suse.cz>
1799         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
1800         place within annotation.
1802 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1804         * pa.c (output_move_double): Change array size of xoperands to 4.
1806 2007-01-20  Jan Hubicka  <jh@suse.cz>
1808         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
1809         as temporary.
1811 2007-01-19  Ian Lance Taylor  <iant@google.com>
1813         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
1814         constant to unsigned HOST_WIDE_INT before negating.
1816 2007-01-19  Ian Lance Taylor  <iant@google.com>
1818         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
1819         to unsigned.
1820         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
1821         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1822         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
1823         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
1824         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1825         (realloc_vdef, realloc_vuse): Change second parameter to
1826         unsigned.
1827         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
1828         fields to unsigned.
1829         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
1830         unsigned. Change x and lim locals to unsigned.
1831         (realloc_vdef, realloc_vuse): Change num_elem parameter to
1832         unsigned.
1833         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
1834         (copy_virtual_operands): Change i and n locals to unsigned.
1836 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1838         PR middle-end/29335
1839         * builtins.c (fold_builtin_1): Handle builtin fdim.
1841 2007-01-20  Jan Hubicka  <jh@suse.cz>
1843         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
1844         * tree-ssa-structalias.c (compute_points_to_sets): Do call
1845         init_alias_heapvars.
1846         (init_alias_heapvars): Initialize only when not already initialized.
1847         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
1849 2007-01-19  Roger Sayle  <roger@eyesopen.com>
1851         * common.opt (fsigned-zeros): New command line option.
1852         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
1853         of flag_unsafe_math_optimizations.
1854         * opts.c (set_fast_math_flags): The -ffast-math command line option
1855         implies -fno-signed-zeros.
1856         (fast_math_flags_set_p): Likewise.
1858         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1859         the documentation of -ffast-math appropriately.  Wrap long lines.
1861 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1863         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1864         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1866 2007-01-19  Tomas Bily  <tbily@suse.cz>
1868         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1869         * tree-profile.c:
1870         (tree_init_ic_make_global_vars): New function
1871         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1872         (tree_gen_ic_profiler): New function
1873         (tree_gen_ic_func_profiler): New function
1874         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1875         (tree_profile_hooks): Added hook for indirec/virtual calls
1876         * value-prof.c (tree_find_values_to_profile): New case for
1877         indirect calls
1878         (tree_values_to_profile): Call for determining indirect/virtual
1879         counters
1880         (tree_indirect_call_to_profile): New function
1881         (tree_ic_transform): New function
1882         (tree_ic): New function
1883         (find_func_by_pid): New function
1884         (init_pid_map): New function
1885         (tree_value_profile_transformations): Added check for
1886         indirect/virtual call transformation
1887         * value-prof.h (enum hist_type): New counter type for
1888         indirect/virtual calls
1889         (profile_hooks): Added new hook for profiling indirect/virtual
1890         calls
1891         * profile.c (instrument_values): New case for indirect/virtual
1892         call added
1893         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1894         (GCOV_COUNTER_V_INDIR): New counter type
1895         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1896         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1897         call added
1898         * cgraph.c: Definition of cgraph_max_pid
1899         (cgraph_create_node): Default init of pid attribute
1900         * cgraph.h: Declaration of cgraph_max_pid
1901         (struct cgraph_node): Added pid attribute
1902         * libgcov.c (__gcov_indirect_call_profiler): New function
1903         (__gcov_one_value_profiler_body): New function
1904         (__gcov_one_value_profiler): Body was moved to
1905         __gcov_one_value_profiler_body and calls it
1907 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1909         * doc/gty.texi (Options): Document the mark_hook option to GTY.
1910         * gengtype.c (write_types_data, write_func_for_structure,
1911         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
1912         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
1913         (walk_type, write_func_for_structure): Generate the mark_hook if
1914         needed.
1916 2007-01-19  Jan Hubicka  <jh@suse.cz>
1918         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
1919         'early' argument take inlining mode argument specifying whether to
1920         inline for size/speeed or all functions; add support for flattening;
1921         improve dumpting.
1922         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1924 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1926         PR c++/17947
1927         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1928         the name of the declared identifier.
1930 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1932         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1933         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1934         duplicate evaluation.
1936 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1938         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1939         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1940         to XFMode, use acosxf2 and truncate result to requested mode.
1941         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1942         (asin<mode>2): Similarly, with asin expanders.
1943         (*fscalexf4_i387): Rename from *fscalexf4.
1944         (expNcorexf3): New expander.
1945         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1946         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1947         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1948         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1949         patterns for SSE math.
1950         (exp10<mode>2): Similarly, with exp10 expanders.
1951         (exp2<mode>2): Similarly, with exp2 expanders.
1952         (expm1<mode>2): Similarly, with expm1 expanders.
1953         (ldexp<mode>3): Similarly, with ldexp expanders.
1954         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1955         Use gen_truncxf<mode>2_i387_noop to truncate result.
1957 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1959         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1960         for ColdFire targets.
1962 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1963             Richard Sandiford  <richard@codesourcery.com>
1965         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1966         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1967         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1968         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1969         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1970         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1972 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1974         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1975         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1976         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1977         (*adddi_dilshr32_cf): New pattern.
1978         (adddi3, subdi3): Remove first alternatives.
1980 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1982         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1983         implemented using move.l, do not use its cc result for floating-point
1984         comparisons.
1986 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1988         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1989         from accepting 's' constraints if flag_pic.
1991 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1993         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1994         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1995         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1996         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1998 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
2000         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2001         ColdFire alternatives.
2002         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2003         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
2004         architectures that support ff1 instruction.
2006 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2007             Julian Brown  <julian@codesourcery.com>
2009         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2010         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2011         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
2012         Add commentary.
2014 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
2016         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2017         and return a bool.
2018         (output_move_const_into_data_reg, output_move_simode_const): Delete.
2019         * config/m68k/m68k.c (const_method, const_int_cost): Take a
2020         HOST_WIDE_INT instead of an rtx.
2021         (m68k_rtx_costs): Update call accordingly.
2022         (output_move_const_into_data_reg): Likewise.  Fix formatting.
2023         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2024         Return a bool.
2025         (output_move_simode_const): Update calls after above changes.
2026         Rework to use automatic variables and predicates like MEM_P.
2027         * config/m68k/m68k.md (pushexthisi_const): Update call to
2028         valid_mov3q_const.
2030 2007-01-19  Dirk Mueller  <dmueller@suse.de>
2032         * tree-ssa-alias.c (perform_var_substitution): Fix typo
2033         in dump_flags test.
2035 2007-01-19  Richard Guenther  <rguenther@suse.de>
2037         * builtins.c (expand_builtin_cexpi): Fall back to expanding
2038         via cexp in case sincos is not available.
2040 2007-01-19  Richard Guenther  <rguenther@suse.de>
2042         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2043         * defaults.h (TARGET_HAS_SINCOS): Default to off.
2044         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2045         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2046         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2047         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2048         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2049         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2051 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
2053         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2054         New insn patterns.
2055         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2056         (atan2xf3): Directly generate RTL pattern.
2057         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2058         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2059         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2060         disable patterns for SSE math.
2061         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2062         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
2063         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2064         disable patterns for SSE math.
2066 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
2068         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2070 2007-01-18  Roger Sayle  <roger@eyesopen.com>
2072         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2073         VIEW_CONVERT_EXPR to the same type as it's operand.
2075 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
2077         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2078         configured for long double 128.
2080 2007-01-18  Mike Stump  <mrs@apple.com>
2082         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2083         error.
2085 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
2087         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2088         type correct.
2090 2007-01-18  Jan Hubicka  <jh@suse.cz>
2092         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2093         greater than NUM_VOP_FREE_BUCKETS.
2095 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
2097         * tree-ssa-structalias.c: Update comments.
2098         (ptabitmap_obstack): Removed.
2099         (pta_obstack): New.
2100         (oldpta_obstack): Ditto.
2101         (stats): Add a few members.
2102         (struct variable_info): Remove node, complex, address_taken, and
2103         indirect_target members. Add oldsolution member.
2104         (new_var_info): Do not initialize removed members.
2105         (constraint_expr_type): Remove INCLUDES.
2106         (constraint_graph): Add size, implicit_preds, rep,
2107         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2108         (FIRST_REF_NODE): New macro.
2109         (LAST_REF_NODE): Ditto.
2110         (FIRST_ADDR_NODE): Ditto.
2111         (find): New function.
2112         (unite): Ditto.
2113         (dump_constraint): Do not handle INCLUDES.
2114         (insert_into_complex): Do not insert duplicate constraints.
2115         (condense_varmap_nodes): Renamed and rewritten into ...
2116         (merge_node_constraints): This. Also fix bug in handling of
2117         offseted copy constraints.
2118         (clear_edges_for_node): No longer need to deal with preds at all,
2119         or removing associated preds/succs.
2120         (merge_graph_nodes): Deal with indirect_cycles.
2121         Don't deal with predecessors.
2122         (add_implicit_graph_edge): New function.
2123         (add_pred_graph_edge): Ditto.
2124         (add_graph_edge): Don't deal with predecessors.
2125         (build_constraint_graph): Removed.
2126         (build_pred_graph): New function.
2127         (build_succ_graph): Ditto.
2128         (struct scc_info): Removed in_component. Added roots, dfs, and
2129         node_mapping. Remove visited_index, unification_queue.
2130         (scc_visit): Deal with union-find we do now.
2131         Deal with cycles with REF nodes.
2132         (collapse_nodes): Renamed and rewritten to ...
2133         (unify_nodes): This.
2134         (process_unification_queue): Removed.
2135         (topo_visit): Cleanup
2136         (do_da_constraint): Use find.
2137         (do_sd_constraint): Ditto.
2138         (do_ds_constraint): Ditto.
2139         (do_complex_constraint): Ditto.
2140         (init_scc_info): Update for removed and added members.
2141         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2142         (find_indirect_cycles): This.
2143         (equivalence_class): New variable.
2144         (label_visit): New function.
2145         (perform_variable_substitution): Rewritten.
2146         (free_var_substitution_info): New function.
2147         (find_equivalent_node): Ditto.
2148         (move_complex_constraints): Ditto.
2149         (eliminate_indirect_cycles): Ditto.
2150         (solve_graph): Only propagate changed bits.
2151         Use indirect cycle elimination.
2152         Use find.
2153         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2154         (tree_id_eq): Renamed to ...
2155         (tree_vi_eq): This. Update for member change
2156         (insert_id_for_tree): Renamed and rewritten to ...
2157         (insert_vi_for_tree): This.
2158         (lookup_id_for_tree): Renamed and rewritten to ...
2159         (lookup_vi_for_tree): This.
2160         (get_id_for_tree): Renamed and rewritten to ...
2161         (get_vi_for_tree): Ditto.
2162         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2163         (process_constraint): Don't handle INCLUDES.
2164         Remove special ADDRESSOF case.
2165         (find_func_aliases): Rewrite to use vi functions instead of id
2166         ones.
2167         (create_function_info_for): Ditto.
2168         (create_variable_info_for): Ditto.
2169         (intra_create_variable_infos): Ditto.
2170         (merge_smts_into): Ditto.
2171         (find_what_p_points_to): Ditto.
2172         (init_base_vars): Ditto.
2173         (init_alias_vars): Ditto.
2174         (remove_preds_and_fake_succs): New function.
2175         (dump_sa_points_to_info): Dump new stats.
2176         (dump_solution_for_var): Use find.
2177         (set_used_smts): Fix formatting.
2178         (compute_points_to_sets): Updated for new functions.
2179         (ipa_pta_execute): Ditto.
2181 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2182             Richard Sandiford  <richard@codesourcery.com>
2184         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2185         parallels.
2186         * calls.c (expand_call): If the return value is a PARALLEL,
2187         extract its first member.
2188         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2189         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2190         use FUNCTION_EXTRA_EPILOGUE.
2191         (m68k_function_value): Return a PARALLEL if the return value
2192         is of a pointer type.
2193         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2194         (FUNCTION_EXTRA_EPILOGUE): Remove.
2195         * config/m68k/m68k.md (D0_REG): New constant.
2197 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2199         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2200         output a NOP for empty epilogues.
2202 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2204         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2205         before function.  Extend register save check to include all
2206         registers, not just integer ones.
2208 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2210         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2211         (m68k_use_return_insn): ...this.
2212         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2213         * config/m68k/m68k.c (use_return_insn): Rename to...
2214         (m68k_use_return_insn): ...this.
2215         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2216         of USE_RETURN_INSN.
2218 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2220         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2221         nearest even, fix denormal rounding overflow.
2223 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2225         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2226         f%$smove and f%$move.
2227         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2228         (extendsfdf2_cf): Use fdmove instead of f%&move.
2229         (truncdfsf2_cf): Use fsmove instead of f%$smove.
2230         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2232 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2234         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2235         GPR<-GPR moves.
2237 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2239         * real.h (real_format): Add a canonical_nan_lsbs_set field.
2240         (coldfire_single_format): Declare.
2241         (coldfire_double_format): Likewise.
2242         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2243         of qnan_msb_set to determine the lower bits of a canonical
2244         NaN significand.
2245         (encode_ieee_double): Likewise.
2246         (encode_ieee_quad): Likewise.
2247         (ieee_single_format): Initialize canonical_nan_lsbs_set.
2248         (mips_single_format): Likewise.
2249         (ieee_double_format): Likewise.
2250         (mips_double_format): Likewise.
2251         (ieee_extended_motorola_format): Likewise.
2252         (ieee_extended_intel_96_format): Likewise.
2253         (ieee_extended_intel_128_format): Likewise.
2254         (ieee_extended_intel_96_round_53_format): Likewise.
2255         (ibm_extended_format): Likewise.
2256         (mips_extended_format): Likewise.
2257         (ieee_quad_format): Likewise.
2258         (mips_quad_format): Likewise.
2259         (vax_f_format): Likewise.
2260         (vax_d_format): Likewise.
2261         (vax_g_format): Likewise.
2262         (i370_single_format): Likewise.
2263         (i370_double_format): Likewise.
2264         (decimal_single_format): Likewise.
2265         (decimal_double_format): Likewise.
2266         (decimal_quad_format): Likewise.
2267         (c4x_single_format): Likewise.
2268         (c4x_extended_format): Likewise.
2269         (real_internal_format): Likewise.
2270         (coldfire_single_format): New real_format.
2271         (coldfire_double_format): Likewise.
2272         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2273         canonical_nan_lsbs_set.
2274         (pdp11_d_format): Likewise.
2275         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2276         if TARGET_COLDFIRE_CPU.
2278 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2280         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2281         (output_call, m68k_legitimize_call_address): Declare.
2282         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2283         parenthesees.  Add support for a 'W' constraint.
2284         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2285         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2286         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2287         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2288         variables.
2289         (override_options): Initialize them.  Do not set flag_no_function_cse
2290         for TARGET_ID_SHARED_LIBRARY.
2291         (m68k_output_pic_call): Delete.
2292         (m68k_legitimize_call_address): New function.
2293         (print_operand): Remove the %o prefix.  Handle the %p prefix.
2294         (output_call): New function.
2295         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
2296         target address from the GOT if symbolic jumps are not allowed.
2297         * config/m68k/m68k.md (call, general_operand): Do not set
2298         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
2299         Merge separate flag_pic and !flag_pic define_insns into...
2300         (*call, *call_value): ...these new patterns.  Match the address
2301         rather than the containing MEM and require it to be a call_operand.
2302         Use output_call to generate the asm template.
2303         * config/m68k/predicates.md (const_call_operand): New predicate.
2304         (call_operand): Likewise.
2306 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2308         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2309         (STACK_GROWS_DOWNWARD): Define to 1.
2310         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2311         comments, emphasizing that these values are only defaults.
2312         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2313         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2315 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2317         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2319 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
2320             Richard Sandiford  <richard@codesourcery.com>
2322         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2323         (FP_REGNO_P): New macros.
2324         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2325         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2326         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2327         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2329 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2331         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2332         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2333         to $tmake_file.
2334         * config/m68k/t-floatlib: New file, extracting common code from...
2335         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2336         * config/m68k/t-uclinux: Here.
2337         * config/m68k/fpgnulib.c: Do not compile extendeed precision
2338         routines on ColdFire targets.
2340 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
2342         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2343         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2344         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2345         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2346         explicitly set MOTOROLA to 1.
2347         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2349 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2350             Nathan Sidwell  <nathan@codesourcery.com>
2352         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2353         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2354         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2355         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2356         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2357         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2358         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2359         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2360         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2361         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2362         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2363         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2364         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2365         (DBX_REGISTER_NUMBER): Delete.
2366         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2367         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2368         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2370 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2372         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2373         * config/flat.h: New file.
2374         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2375         OBJECT_FORMAT_FLAT.
2376         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2377         indirect references for -msep-data or -mid-shared-library.
2378         Do not use PC-relative code addresses either.
2379         * config/m68k/m68k.c (override_options): Restrict -fPIC error
2380         to -mpcrel.
2381         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
2382         for shared libraries and crt1.o for executables.  Use crti.o and
2383         crtbegin.o.
2384         (ENDFILE_SPEC): Use crtend.o and crtn.o.
2385         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2386         Do not add -elf2flt or -shared-lib-id options here.
2387         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
2388         Pass -shared-lib-id if -mid-shared-library, taking the library
2389         identifier from -mshared-library-id if given, otherwise
2390         defaulting to 0.
2391         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2392         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2393         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2394         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2395         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2396         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2397         and crtend.o.
2398         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2399         jump sequence for ISA A and ISA A+.
2400         (PICJUMP): Likewise.
2402 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2404         * config.gcc (m68k-*-uclinux*): Base the port on the common
2405         and m68k GNU/Linux files rather than on the generic ELF ones.
2406         * config/m68k/uclinux.h (TARGET_VERSION): Override.
2407         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2409 2007-01-18  Julian Brown  <julian@codesourcery.com>
2410             Richard Sandiford  <richard@codesourcery.com>
2412         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2413         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2414         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2415         before redefining.
2416         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2417         80 unconditionally.
2418         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2420 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2422         * doc/install.texi: Document m68k-uclinuxoldabi.
2423         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2424         * config/m68k/uclinux-oldabi.h: New file, copied from
2425         config/m68k/uclinux.h.
2427 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
2429         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2430         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2431         (m32r_compute_frame_size): Use unsigned for regno.
2432         (m32r_reload_lr): Use gen_frame_mem.
2433         (pop): New.
2434         (m32r_output_function_epilogue): Don't output the function epilogue
2435         textually here.
2436         (m32r_expand_epilogue): New.
2437         (direct_return): Return false if the function has the interrupt
2438         attribute.
2439         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2440         * config/m32r/m32r.md (epilogue): New expander.
2441         (return_lr, return_rte): New insns.
2442         (return): Make it expander.
2443         (return_normal): New expander.
2445 2007-01-18  Josh Conner  <jconner@apple.com>
2447         PR target/30485
2448         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2449         support for UNLE, UNLT, UNGE, and UNGT.
2451 2007-01-18  Jan Hubicka  <jh@suse.cz>
2453         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2454         * tree-tailcall (add_virtual_phis): Likewise.
2455         (optimize_tail_call): Return TODOs.
2456         (execute_tail_calls): Return TODOs.
2457         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2458         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2459         changed.
2460         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2461         Cleanup cfg using TODO.
2462         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2463         * passes.c (execute_function_todo): When cleanup did something, remove
2464         unused locals.
2465         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2466         (make_edges): Don't cleanup_cfg.
2468 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
2470         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2471         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2472         operate on the top of stack.
2473         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2474         register handling of instructions that output to the second
2475         stack slot.
2476         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2477         (move_for_stack_reg): Special-case check for dead destination
2478         stack slot for constant load of 1.0 inside UNSPEC_TAN.
2480         * config/i386/i386.md (UNSPEC_TAN): New constant.
2481         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2482         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2483         to correctly model move of constant 1.0 to top stack slot.
2484         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2485         (unnamed peephole2 pattern): Remove corresponding peephole2
2486         pattern that optimizes tan insn and loading of constant 1.0.
2487         (tanxf2): Use fptanxf4_i387.
2488         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2489         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
2490         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
2491         disable patterns for SSE math.
2492         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
2493         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
2495 2007-01-18  Dirk Mueller  <dmueller@suse.de>
2496             Richard Guenther <rguenther@suse.de>
2498         PR diagnostic/8268
2499         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
2500         * common.opt (Warray-bounds): Add new warning option.
2501         * c-opts.c (c_common_handle_option): Define -Warray-bounds
2502         if -Wall is given.
2503         * Makefile.in: make tree-vrp.o depend on toplev.h
2504         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
2505         is enabled.
2506         (check_array_refs, check_array_bounds, check_array_ref): New.
2508 2007-01-18  Jan Hubicka  <jh@suse.cz>
2510         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
2511         (execute_ssa_ccp): Return flags conditionally.
2512         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
2513         changed.
2514         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
2516 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
2518         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
2519         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
2521         * Makefile.c (GTFILES): Add cfglayout.h.
2522         * gengtype.c (open_base_files): Likewise.
2523         * cfglayout.c (cfg_layout_function_footer,
2524         cfg_layout_function_header) Reindent to make gengtype happy.
2525         * cfglayout.h (cfg_layout_function_footer,
2526         cfg_layout_function_header): Add GTY(()) marker.
2528         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
2530 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2532         * genautomata.c (write_automata): Include xstrerror output in the
2533         error message if writing the DFA description file fails.
2535 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2537         * config/mips/mips-protos.h (mips_output_external): Make it
2538         return void.
2539         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2540         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2541         (extern_list): Likewise.
2542         (extern_head): Likewise.
2543         (TARGET_ASM_FILE_END): Likewise.
2544         (mips_file_end): Likewise.
2545         (mips_output_external): Rewritten.
2547 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2549         * genpreds.c (write_insn_preds_c): Only write out the function
2550         body for regclass_for_constraint if we have register constraints.
2552 2007-01-17  Tom Tromey  <tromey@redhat.com>
2554         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2555         * doc/install.texi (Testing): Use sourceware.org.
2556         (Binaries): Likewise.
2557         (Specific): Likewise.
2558         * doc/contrib.texi (Contributors): Use sourceware.org.
2560 2007-01-17  Anatoly Sokolov <aesok@post.ru>
2562         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
2563         (AVR_ENHANCED): Rename to ...
2564         (AVR_HAVE_MUL): ... new.
2565         (avr_enhanced_p): Rename to ...
2566         (avr_have_mul_p): ... new.
2567         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
2568         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
2569         * config/avr/avr.c (avr_enhanced_p): Rename to ...
2570         (avr_have_mul_p): ... new.
2571         (base_arch_s): Rename 'enhanced' to 'have_mul'.
2572         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
2573         'avr_enhanced_p' and 'enhanced'.
2574         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
2575         AVR_HAVE_MUL instead of AVR_ENHANCED.
2576         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2577         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
2578         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
2579         instead of AVR_ENHANCED.
2580         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2581         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
2582         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
2584 2007-01-17  Ian Lance Taylor  <iant@google.com>
2586         * vec.h (VEC_reserve_exact): Define.
2587         (vec_gc_p_reserve_exact): Declare.
2588         (vec_gc_o_reserve_exact): Declare.
2589         (vec_heap_p_reserve_exact): Declare.
2590         (vec_heap_o_reserve_exact): Declare.
2591         (VEC_OP (T,A,reserve_exact)): New static inline function, three
2592         versions.
2593         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
2594         negative parameter.
2595         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
2596         (VEC_OP (T,A,copy)) [all versions]: Likewise.
2597         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
2598         * vec.c (calculate_allocation): Add exact parameter.  Change all
2599         callers.
2600         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
2601         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
2602         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
2603         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
2604         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
2605         (vec_heap_p_reserve_exact): New function.
2606         (vec_heap_o_reserve_exact): New function.
2608 2007-01-17  Jan Hubicka  <jh@suse.cz>
2610         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
2612 2007-01-17  Eric Christopher  <echristo@apple.com>
2614         * config.gcc: Support core2 processor.
2616 2007-01-16  Jan Hubicka  <jh@suse.cz>
2618         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
2619         the names, just unlink the chain so we don't crash on dangling pointers
2620         to dead SSA names.
2622 2007-01-16  Jan Hubicka  <jh@suse.cz>
2624         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
2625         * tree-pass.h: Reorder to make IPA passes appear toegher.
2626         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
2627         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
2628         parameters, do not call early inliner.
2629         * ipa-inline.c: Update comments.  Include tree-flow.h
2630         (cgraph_decide_inlining): Do not compute inlining parameters.
2631         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
2632         be called with function context set up.
2633         (pass_ipa_inline): Remove unreachable functions before pass.
2634         (cgraph_early_inlining): Simplify assuming to be called from the
2635         PM as local pass.
2636         (pass_early_inline): New pass.
2637         (cgraph_gate_ipa_early_inlining): New gate.
2638         (pass_ipa_early_inline): Turn into simple wrapper.
2639         (compute_inline_parameters): New function.
2640         (gate_inline_passes): New gate.
2641         (pass_inline_parameters): New pass.
2642         (apply_inline): Move here from tree-optimize.c
2643         (pass_apply_inline): New pass.
2644         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
2645         transforming.
2646         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
2647         doing them by hand.
2648         (tree_function_versioning): Do not allocate dummy struct function.
2649         * tree-inline.h (optimize_inline_calls): Update prototype.
2650         * tree-optimize.c (execute_fixup_cfg): Export.
2651         (pass_fixup_cfg): Remove
2652         (tree_rest_of_compilation): Do not apply inlines.
2653         * tree-flow.h (execute_fixup_cfg): Declare.
2654         * Makefile.in (gt-passes.c): New.
2655         * passes.c: Include gt-passes.h
2656         (init_optimization_passes): New passes.
2657         (nnodes, order): New static vars.
2658         (do_per_function_toporder): New function.
2659         (execute_one_pass): Dump current pass here.
2660         (execute_ipa_pass_list): Don't dump current pass here.
2662 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
2664         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
2665         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
2667 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
2669         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
2670         (strong_alias): Define.
2671         (__gcc_qmul): Provide non-FMA for soft-float.
2672         (__gcc_qdiv): Same.
2673         (__gcc_qneg): New.
2674         (__gcc_qeq): New.
2675         (__gcc_qle): New.
2676         (__gcc_qge): New.
2677         (__gcc_qunord): New.
2678         (__gcc_stoq): New.
2679         (__gcc_dtoq): New.
2680         (__gcc_qtos): New.
2681         (__gcc_qtod): New.
2682         (__gcc_qtoi): New.
2683         (__gcc_qtou): New.
2684         (__gcc_itoq): New.
2685         (__gcc_utoq): New.
2686         (fmsub): New.
2687         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
2688         soft-float functions.
2689         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
2690         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
2691         about long double soft float.
2693 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
2694             Tehila Meyzels  <tehila@il.ibm.com>
2696         * tree-vectorizer.h (is_pattern_stmt_p): New.
2697         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
2698         formatting (tabs instead of spaces). Cleanup and clarify setting
2699         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
2700         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
2701         (vectorizable_type_demotion): Check that types are integral.
2702         (vectorizable_type_promotion): Likewise.
2703         (vectorizable_store): Fix typo.  Eliminate new-line at end of
2704         comments.
2706 2007-01-16  Jan Hubicka  <jh@suse.cz>
2708         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
2709         cgraph edges too.
2711 2007-01-15  Eric Christopher  <echristo@apple.com>
2713         * ifcvt.c: Include vec.h, vecprim.h.
2714         (check_cond_move_block): New argument regs.
2715         Reorganize. Add registers used to regs.
2716         (cond_move_process_if_block): Use regs set above as
2717         loop bounds.
2719 2007-01-15  Eric Christopher  <echristo@apple.com>
2721         * config/darwin.h: Update copyright.
2722         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
2723         (LINK_COMMAND_SPEC): Add -u.
2724         (LINK_SPEC): Fix umbrella for above.
2726 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
2728         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
2729         glibc CVS.
2731 2007-01-15  Tom Tromey  <tromey@redhat.com>
2733         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
2734         * doc/install.texi (Testing): Don't mention jacks.
2735         (Configuration): Document --enable-java-maintainer-mode.  Move
2736         --with-java-home to libgcj-specific section.  Document
2737         --with-ecj-jar.
2738         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
2740 2007-01-15  Jan Hubicka  <jh@suse.cz>
2742         * tree-ssa-dce.c (DCE_TODOs): New.
2743         (propagate_necessity): Return if something changed.
2744         (eliminate_unnecessary_stmts): Likewise.
2745         (perform_tree_ssa_dce): Return TODO flags when needed.
2746         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
2748 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
2750         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
2751         (fyl2x_extend<mode>xf3_i387): New insn pattern.
2752         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
2753         patterns using X87MODEF12 mode macro.  Extend operand 1
2754         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2755         (log10<mode>2): Ditto.
2756         (log2<mode>2): Ditto.
2757         (log1p<mode>2): Ditto.
2758         (logb<mode>2): Ditto.
2759         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
2760         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
2761         (*fxtractxf3_i387): Rename from *fxtractxf3.
2762         (fxtract_extend<mode>xf3_i387): New insn pattern.
2763         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
2764         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
2765         and gen_fyl2xxf3_i387().
2767 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2769         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
2770         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
2771         get_loop_exit_edges.  Changed return type to bool.
2772         * cfgloop.h (fix_loop_placement): Declaration removed.
2774 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
2776         * param.h (MIN_VECT_LOOP_BOUND): New.
2777         * params.def (MIN_VECT_LOOP_BOUND): New.
2778         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
2779         argument - minimum threshold for number of iterations.
2780         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
2781         argument to declaration.
2782         * tree-vect-analyze.c (vect_analyze_operations): Check value of
2783         MIN_VECT_LOOP_BOUND.
2784         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
2785         slpeel_tree_peel_loop_to_edge with additional argument.
2786         (vect_do_peeling_for_alignment): Likewise.
2787         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
2789 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
2791         PR target/30413
2792         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
2793         operands of size 1.
2795 2007-01-14  Jan Hubicka  <jh@suse.cz>
2797         * tree-dfa.c (remove_referenced_var): New function.
2798         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
2799         prune referenced vars list too.
2800         * tree-flow.h (remove_referenced_var): Declare.
2802 2007-01-14  Jan Hubicka  <jh@suse.cz>
2804         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
2805         separately.
2806         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
2807         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
2808         * except.h (verify_eh_throw_table_statements): Kill prototype.
2809         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
2810         into call exrepssions.
2811         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
2812         eh trhow verifier.
2813         * tree-cfg.c: Include pointer-set.h.
2814         (verify_node_sharing): Work on pointer set.
2815         (verify_eh_throw_stmt_node): New.
2816         (verify_stmts): Use pointers sets, verify throw_stmt.
2818 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
2820         * ipa-reference.c (analyze_function): Consider also addresses taken
2821         in phi nodes.
2823 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2825         * c-typeck.c (null_pointer_constant_p): Replace use of
2826         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2827         (build_c_cast): Likewise.
2829 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2831         * tree.h (force_fit_type_double): Remove unused final argument.
2832         * c-common.c (constant_expression_warning): Replace use of
2833         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2834         (convert_and_check): Likewise.
2835         (shorten_compare): Update call to force_fit_type_double.
2836         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
2837         * convert.c (convert_to_pointer): Update call to
2838         force_fit_type_double.
2839         * fold-const.c (force_fit_type_double): Remove overflowed_const
2840         argument.
2841         (int_const_binop, fold_convert_const_int_from_int,
2842         fold_convert_const_int_from_real, fold_div_compare,
2843         fold_sign_changed_comparison, fold_unary, fold_negate_const,
2844         fold_abs_const, fold_not_const): Remove the final argument from
2845         calls to force_fit_type_double.
2847 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2849         * configure.ac: Set insn to "nop" for spu-*-* also.
2850         * configure: Regenerate.
2852 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
2854         * builtins.def : Add BUILT_IN_FREE.
2856 2007-01-12  Jan Hubicka  <jh@suse.cz>
2858         PR tree-optimization/30443
2859         * tree-inline.c (tree_function_versioning): Do not optimize when
2860         cloning for inlining.
2862 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2864         * doc/loop.texi: Document recording of loop exits.
2865         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2866         (update_single_exits_after_duplication,
2867         update_single_exit_for_duplicated_loop,
2868         update_single_exit_for_duplicated_loops): Removed.
2869         (duplicate_loop_to_header_edge): Do not call
2870         update_single_exits_after_duplication and
2871         update_single_exit_for_duplicated_loops.
2872         (loop_version): Do not update single_exit information.
2873         (fix_loop_structure): Use record_loop_exits instead of
2874         mark_single_exit_loops.
2875         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2876         the lists of loop exits.
2877         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2878         split_edge, merge_blocks): Update the lists of loop exits.
2879         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2880         loop_optimizer_init.
2881         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2882         of mark_single_exit_loops.
2883         (loop_optimizer_finalize): Call release_recorded_exits.
2884         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2885         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2886         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2887         update single exit information.
2888         * lambda-code.c (perfect_nestify): Ditto.
2889         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2890         (mark_single_exit_loops): Removed.
2891         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2892         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2893         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2894         functions.
2895         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2896         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2897         (verify_loop_structure): Verify consistency of the exit lists.
2898         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2899         (set_single_exit): Removed.
2900         * cfgloop.h (struct loop_exit): New function.
2901         (struct loop): single_exit_ field replaced by exits field.
2902         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2903         (struct loops): Added exits hash.
2904         (mark_single_exit_loops, set_single_exit): Declaration removed.
2905         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2907 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2909         * doc/invoke.texi: Avoid use of @headitem.
2911 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2913         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
2915 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2917         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
2918         list of targets.
2920 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2921             Richard Sandiford  <richard@codesourcery.com>
2923         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2924         * config/m68k/m68k.opt: Resort options.
2925         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2927 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2928             Richard Sandiford  <richard@codesourcery.com>
2930         * doc/invoke.texi: Document the macros that are defined by
2931         m68k's -mtune and -mhard-float options.
2932         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2933         (m68k_cpp_cpu_family): Likewise.
2934         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2935         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2936         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2937         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2938         (m68k_cpp_cpu_family): Likewise.
2940 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2942         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2943         macros besides mc68000 as tuning macros.  Use a switch statement
2944         to set them and mcpu32.
2946 2007-01-12  Julian Brown  <julian@codesourcery.com>
2948         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2949         (TARGET_68040_ONLY): Rename to...
2950         (TARGET_68040): ...this.
2951         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2952         * config/m68k/m68k.md: Likewise.
2954 2007-01-12  Julian Brown  <julian@codesourcery.com>
2955             Nathan Sidwell  <nathan@codesourcery.com>
2956             Richard Sandiford  <richard@codesourcery.com>
2958         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2959         the -mcpu= argument associated with the --with-cpu setting.
2960         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2961         if different from the one implied by the -mcpu setting.
2962         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2963         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2964         * doc/invoke.texi: Mention ColdFire in the introduction to the
2965         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2966         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2967         -mhard-float.  Document the previously-undocumented -m5206e,
2968         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2969         documentation for consistency.
2970         * doc/install.texi: Mention new --with-cpu arguments.
2971         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2972         default CPU if neither -mcpu nor -march are specified.
2973         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2974         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2975         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2976         using m68k_tune to decide between families that implement the
2977         same ISA.  Use m68k_tune to set __mcfv4e__.
2978         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2979         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2980         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2981         (FL_ISA_C, FL_ISA_MMU): New macros.
2982         (MASK_COLDFIRE): Delete.
2983         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2984         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2985         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2986         (TARGET_HARD_FLOAT): Do not define here.
2987         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2988         (TUNE_68000): New macro.
2989         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2990         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2991         (TUNE_CFV2): Redefine in terms of m68k_tune.
2992         (uarch_type, target_device, fpu_type): New enums.
2993         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2994         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2995         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2996         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2997         (FL_FOR_isa_c): New macros.
2998         (m68k_isa): New enum.
2999         (m68k_target_selection): New structure.
3000         (all_devices, all_isas, all_microarchs): New tables.
3001         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3002         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3003         (MASK_ALL_CPU_BITS): Delete.
3004         (m68k_find_selection): New function.
3005         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3006         Map the legacy target options to a combination of the new ones.
3007         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3008         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
3009         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3010         settings.
3011         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3012         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3013         properties.
3014         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3015         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3016         * config/m68k/m68k-devices.def: New file.
3018 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3019             Nathan Sidwell  <nathan@codesourcery.com>
3021         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3022         (SUBTARGET_EXTRA_SPECS): New macros.
3023         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3024         use %(asm_cpu_spec) instead.
3025         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3026         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3027         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3028         (EXTRA_SPECS): Rename to...
3029         (SUBTARGET_EXTRA_SPECS): ...this.
3031 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
3032             Richard Sandiford  <richard@codesourcery.com>
3033             Julian Brown  <julian@codesourcery.com>
3035         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3036         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3037         to the configuration's default CPU.
3038         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3039         Remove default masks.
3040         (m680[012]0-*-*): Set the default with_cpu to the first part of
3041         the target name.
3042         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3043         (m68k*-*-linux): Extend the --with-cpu handling to...
3044         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
3045         and m68010.  Don't set target_cpu_default2.
3046         * doc/install.texi: Document --with-cpu for m68k.
3047         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3048         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3049         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3050         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3051         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3052         (ASM_SPEC): Remove use of %(asm_cpu_default).
3053         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3054         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3055         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
3056         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3057         __HAVE_FPU__ if TARGET_HARD_FLOAT.
3058         (TARGET_DEFAULT): Delete.
3059         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3060         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3061         (CPP_CPU_SPEC): Delete.
3062         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3063         the appropriate string.
3064         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3065         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3066         (ASM_SPEC): Don't use %(asm_default_spec).
3067         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3068         TARGET_DEFAULT and add MASK_68881.
3069         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3071 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3073         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3074         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3075         MASK_68010 alongside MASK_68020.
3076         * doc/invoke.texi: Document -m68010.
3077         * config/m68k/m68k.opt (m68010): New.
3078         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3079         if TUNE_68010.
3080         (TUNE_68010): New macro.
3081         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3082         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3083         (M68K_CPU_m68332): Add MASK_68010.
3084         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3085         fallback definition.
3086         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3087         defines.
3088         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3089         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
3090         to all entries that use MASK_68020.
3091         (output_move_simode_const, output_move_himode, output_move_qimode)
3092         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3093         instead of TARGET_68020 to select clr behavior.  Remove comment
3094         about there being no TARGET_68010.
3095         * config/m68k/m68k.md: Likewise throughout.
3097 2007-01-12  Julian Brown  <julian@codesourcery.com>
3099         * config/m68k/m68k.h (TARGET_ISAB): New macro.
3100         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3101         * config/m68k/m68k.md: Likewise.
3103 2007-01-12  Julian Brown  <julian@codesourcery.com>
3105         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3106         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3108 2007-01-12  Julian Brown  <julian@codesourcery.com>
3110         * config/m68k/m68k.h (TUNE_68040_60): New macro.
3111         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3112         * config/m68k/m68k.md: Likewise.
3114 2007-01-12  Julian Brown  <julian@codesourcery.com>
3115             Richard Sandiford  <richard@codesourcery.com>
3117         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3118         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3119         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3120         TARGET_CPU32.
3121         (TARGET_CPU32): Rename to...
3122         (TUNE_CPU32): ...this.
3123         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3124         (TUNE_CFV2): New macros.
3125         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3126         remove conditions that are implied by TARGET_68020.
3127         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3128         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3129         (m68k_output_function_epilogue): Likewise.
3130         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
3131         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
3132         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3133         non-68000 timings.  Refactor multiplication and division costs.
3134         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3135         TUNE_CPU32 instead of TARGET_CPU32.
3136         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3137         and TUNE_68060 instead of TARGET_68060.
3138         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3139         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3140         TARGET_CPU32.
3141         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3142         && !TARGET_COLDFIRE" to choose between moveq and clr.
3143         Likewise in the unnamed movsf pattern.
3144         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3145         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
3146         ashiftrt pattern.
3148 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
3150         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3151         of tabbing before backslashes.
3153 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3155         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3156         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3157         (ASM_OUTPUT_INTERNAL_LABEL): Define.
3159 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3161         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3162         find_interesting_uses_cond.
3163         (find_interesting_uses_cond): Use extract_cond_operands.
3164         (rewrite_use_compare): Use extract_cond_operands and
3165         force_gimple_operand_bsi.  Do not call update_stmt.
3166         (determine_use_iv_cost_condition): Use extract_cond_operands.
3167         Return cheaper of using original bound and changing the exit bound.
3169 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3171         PR tree-optimization/29516
3172         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3173         most_expensive_mult_to_index, addr_to_parts,
3174         create_mem_ref, maybe_fold_tmr): Make the type of
3175         fields of TARGET_MEM_REF sizetype.
3176         (move_fixed_address_to_symbol, move_pointer_to_base):
3177         New functions.
3178         * tree.def (TARGET_MEM_REF): Add comment on types of
3179         the operands.
3181 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
3183         * c-common.c (vector_types_convertible_p): Treat opaque types as
3184         always convertible if they have the same size, but not otherwise.
3186 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
3188         * ifcvt.c (struct noce_if_info): Add comments to the fields.
3189         Remove the b_unconditional field.
3190         (noce_try_sign_mask): Do not look at b_unconditional.
3191         (noce_process_if_block): Do not use merge_if_blocks.  Update
3192         the CFG here.  Do not set b_unconditional.
3193         (cond_move_process_if_block): Likewise.
3194         (find_cond_trap): Likewise.
3195         (check_cond_move_block): Require simple jump insns at the end
3196         of the basic block.
3198 2007-01-11  Jan Hubicka  <jh@suse.cz>
3200         PR tree-optimization/1046
3201         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3202         when alias info is not ready.
3203         (pass_tail_recursion): Do not require aliasing.
3204         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3205         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3206         * tree-ssa-copy.c (pass_copy_prop): Likewise.
3207         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3208         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3209         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3210         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3211         before inlining.
3212         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3213         When aliasing is not build, mark statement as volatile.
3215 2007-01-11  Tom Tromey  <tromey@redhat.com>
3217         PR preprocessor/15185, PR preprocessor/20989:
3218         * doc/cppopts.texi <-MT>: Update description of algorithm for
3219         computing default target.
3220         <-M, -MD>: Reword "basename" text.
3222 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3224         * builtins.c (expand_builtin_pow, expand_builtin_powi,
3225         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3226         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3227         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3228         fold_builtin_bswap, real_constp, fold_builtin_pow,
3229         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3230         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3231         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3232         * convert.c (convert_to_pointer): Likewise.
3233         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3234         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3235         const_binop, fold_convert_const_int_from_int,
3236         fold_convert_const_int_from_real,
3237         fold_convert_const_real_from_real, sign_bit_p,
3238         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3239         fold_sign_changed_comparison, fold_unary, fold_comparison,
3240         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3241         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3242         * print-tree.c (print_node_brief, print_node): Likewise.
3243         * stor-layout.c (place_field, layout_type): Likewise.
3244         * tree-chrec.c (keep_cast): Likewise.
3245         * tree.c (build_vector, build_real, build_real_from_int_cst,
3246         build_complex): Likewise.
3248 2007-01-11  Roger Sayle  <roger@eyesopen.com>
3250         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
3251         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3253 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
3255         * configure.ac (strict1_warn): Rename to strict_warn.
3256         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3257         cc_set_by_configure, quoted_cc_set_by_configure,
3258         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3259         all_boot_languages, all_stagestuff): Remove.
3260         (target_list): Remove bootstrap targets.
3261         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3262         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3263         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3264         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3265         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3266         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3267         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3268         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3269         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3270         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3271         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3272         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3273         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3274         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3275         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3276         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3277         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3278         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3279         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3280         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3281         (mostlyclean): Adjust.
3282         (clean, distclean): Don't mention bootstrap stuff.
3283         * configure: Regenerate.
3284         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3285         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3286         treelang/config-lang.in (stagestuff): Remove.
3287         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3288         stageprofile, stagefeedback, stagestuff): Remove mention.
3290 2007-01-11  Nick Clifton  <nickc@redhat.com>
3292         * config/mcore/predicates.md (mcore_general_movesrc_operand):
3293         Accept CONSTs.
3294         (mcore_general_movdst_operand): Do not accept CONST_INTs.
3295         (mcore_arith_K_S_operand): Run the test for the S constraint not
3296         the test for the M constraint.
3297         (mcore_addsub_operand): Do not accept integer values that are
3298         larger than 32 bits.
3299         * config/mcore/mcore.md: Remove unused constraints from split.
3300         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3301         (addsi3): Likewise.
3302         (allocate_stack): Likewise.
3303         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3304         operands to 32 bits.
3305         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3306         INTVAL.
3307         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3308         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3309         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3310         mcore_output_bclri, mcore_output_andn, output_inline_const,
3311         mcore_output_move, mcore_output_movedouble): Likewise.
3312         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3313         (output_inline_const): Likewise.
3314         (output_inline_const): Fix format strings used in sprintf
3315         statements.
3316         * config/mcore/mcore-protos.h: Update prototypes for changed
3317         functions in mcore.c.
3318         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3319         HOST_WIDE_INT and not int.
3320         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3321         CONST_OK_FOR_N): Likewise.
3322         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3323         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3324         an INTVAL.
3326 2007-01-10  Jan Hubicka  <jh@suse.cz>
3328         * tree-vrp.c (remove_range_assertions): Release defs.
3329         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3330         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3332 2007-01-10  Paul Brook  <paul@codesourcery.com>
3334         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3335         * config/arm/arm.md (mulsi3subsi): New insn.
3337 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
3339         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3340         (tree_transform_and_unroll_loop): New.
3341         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3342         Declare.
3344 2007-01-10  Robert Kennedy <jimbob@google.com>
3346         * fold-const.c (fold_comparison): Fold comparisons like (x *
3347         1000 < 0) to (x < 0).
3349 2007-01-10  Ian Lance Taylor  <iant@google.com>
3351         * tree-pretty-print.c (dump_generic_node): Print parentheses when
3352         operands have the same priority.
3354 2007-01-10  Tom Tromey  <tromey@redhat.com>
3356         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3357         (fold_binary): Likewise.
3358         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3359         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3360         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3361         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3362         * langhooks.h (struct lang_hooks): Removed field
3363         'can_use_bit_fields_p'.
3365 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
3367         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3369 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
3371         * function.c (get_last_funcdef_no): New function.
3372         * function.h (get_last_funcdef_no): Declare.
3373         * tree-inline.c (initialize_cfun): Add initialization.
3374         (tree_function_versioning): Cleanup.
3376 2007-01-10  Jan Hubicka  <jh@suse.cz>
3378         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3379         PHIs.
3381 2007-01-10  Sa Liu  <saliu@de.ibm.com>
3382             Ben Elliston  <bje@au.ibm.com>
3384         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3385         for SAVE_NONLOCAL and Pmode for any other save level.
3386         * spu-protos.h (spu_restore_stack_block): Declare.
3387         * spu.md (save_stack_block): Remove.
3388         (restore_stack_block): Call spu_restore_stack_block.
3389         * spu.c (spu_restore_stack_block): New function.
3390         (spu_expand_epilogue): Remove old comment.
3392 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
3394         PR tree-optimization/30322
3395         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3396         (cand_value_at): Return the value as aff_tree.
3397         (may_eliminate_iv): Convert the bound from aff_tree to tree.
3398         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3399         aff_combination_mult): New functions.
3400         (aff_combination_add): Use aff_combination_add_cst.
3401         (aff_combination_convert): Allow conversions to a wider type.
3402         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3403         * tree-affine.h (aff_combination_mult): Declare.
3405 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
3407         * doc/tm.texi: Update documentation to reflect reality of exec
3408         and start file search behaviours. Update copyright year.
3409         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3410         header file directories.
3412 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
3414         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3415         (*cosxf2): Rename to cosxf2_i387.
3416         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
3417         using X87MODEF12 mode macro. Rename patterns to
3418         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
3419         for SSE math.
3420         (*cosdf2, *cossf2): Ditto.
3421         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
3422         to match extended input operands.
3423         (sincos<mode>3): New expander.
3424         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3425         insn patterns and corresponding splitters.
3427 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3429         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3430         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3432 2007-01-09  Nicolas Pitre  <nico@cam.org>
3434         PR target/30173
3435         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3437 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3439         * target.h (struct gcc_target): New field library_rtti_comdat.
3440         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3441         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3442         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3443         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3445 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
3447         * doc/invoke.texi (Optimize Options): Correct description of -O0.
3449 2007-01-08  Richard Guenther  <rguenther@suse.de>
3451         * tree.h (force_fit_type_double): Export.
3452         (force_fit_type): Remove.
3453         * fold-const.c (force_fit_type_double): New function.
3454         (force_fit_type): Remove.
3455         (int_const_binop): Use it.
3456         (fold_convert_const_int_from_int): Likewise.
3457         (fold_convert_const_int_from_real): Likewise.
3458         (fold_div_compare): Likewise.
3459         (fold_sign_changed_comparison): Likewise.
3460         (fold_unary): Likewise.
3461         (fold_negate_const): Likewise.
3462         (fold_abs_const): Likewise.
3463         (fold_not_const): Likewise.
3464         * c-common.c (shorten_compare): Use force_fit_type_double.
3465         * convert.c (convert_to_pointer): Likewise.
3467 2007-01-08  Richard Guenther  <rguenther@suse.de>
3469         * tree.h (build_int_cst_wide_type): Export.
3470         * tree.c (build_int_cst_wide_type): New function.
3471         (build_int_cst_wide): Fix comment.
3472         * builtins.c (fold_builtin_object_size): Use build_int_cst
3473         to build -1 or 0 of the correct type.  Use fit_double_type
3474         to check for overflow.
3475         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3476         to build the mask.
3477         (decode_field_reference): Likewise.
3478         (all_ones_mask_p): Likewise.
3479         (native_interpret_int): Use build_int_cst_wide_type.
3480         (fold_binary): Use build_int_cst_type to build an all-ones
3481         value.
3482         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3484 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
3486         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3488 2007-01-09  Ben Elliston  <bje@au.ibm.com>
3490         * genautomata.c (STATS_OPTION): New option.
3491         (stats_flag): New flag.
3492         (gen_automata_option): Handle it.
3493         (initiate_automaton_gen): Ditto.
3494         (write_automata): Output statistics only if stats_flag is
3495         set. Likewise, output time statistics only if time_flag is set.
3496         * doc/md.texi (Processor pipeline description): Document new flag.
3498 2007-01-08  Richard Guenther  <rguenther@suse.de>
3500         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
3501         * tree.c (build_int_cst_type): Likewise.
3502         (size_in_bytes): Don't call force_fit_type on the result.
3503         (int_fits_type_p): Use fit_double_type.
3504         * fold-const.c (fit_double_type): New function.
3505         (force_fit_type): Use it.
3506         * tree.h (fit_double_type): Export.
3508 2007-01-08  Jan Hubicka  <jh@suse.cz>
3510         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
3511         * ipa.c (function_and_variable_visibility): Fix return type.
3513 2007-01-08  Richard Guenther  <rguenther@suse.de>
3515         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
3516         of offset to build the index.
3517         * tree-pretty-print.c (dump_generic_node): Don't build negated
3518         const just for printing.
3519         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3520         * builtins.c (fold_builtin_int_roundingfn): Check if result
3521         fits the type by using force_fit_type and comparing the result.
3522         * predict.c (predict_loops): Use compare_tree_int for comparison.
3523         * tree.c (build_int_cst): Fall back to integer_type_node for
3524         NULL_TREE type.
3525         (build_int_cst_wide): Assert type is non-null.
3527 2007-01-08  Roberto Costa  <roberto.costa@st.com>
3529         * tree-vrp.c (extract_range_from_cond_expr): New.
3530         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
3531         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
3532         as expressions.
3533         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
3534         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
3535         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
3536         used as expressions.
3537         * tree-object-size.c (cond_expr_object_size): New.
3538         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3540 2007-01-08  Jan Hubicka  <jh@suse.cz>
3542         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3543         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3544         statement.
3546 2007-01-08  Richard Guenther  <rguenther@suse.de>
3548         PR tree-optimization/23603
3549         * tree-vrp.c (set_value_range_to_truthvalue): New function.
3550         (extract_range_from_binary): Fall back to truthvalue instead of
3551         varying for TRUTH_*_EXPR.
3552         (extract_range_from_comparison): Fall back to truthvalue instead of
3553         varying.
3554         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
3555         if all visited PHI values were constant.
3557 2007-01-08  Jan Hubicka  <jh@suse.cz>
3559         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
3560         (cgraph_analyze_function): break out from ...
3561         (cgraph_finalize_compilation_unit): ... here.
3562         (cgraph_expand_function): Remove forgoten commented out line.
3563         (cgraph_optimize): Analyze functions.
3565 2007-01-08  Jan Hubicka  <jh@suse.cz>
3567         * tree-pas.h (TODO_remove_function): New flag.
3568         (TODO_update*): Renumber.
3569         (pass_ipa_increase_alignment,
3570         pass_ipa_function_and_variable_visibility): New passes.
3571         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
3572         (cgraph_function_and_variable_visibility): Move to ipa.c
3573         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
3574         cgraph_increase_alignment.
3575         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
3576         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
3577         calling tree-inline.
3578         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
3579         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
3580         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
3581         (gate_increase_alignment): New function.
3582         (pass_ipa_increase_alignment): New pass.
3583         * ipa.c: Inline tree-pass.h and timevar.h
3584         (function_and_variable_visibility): Move here from cgraphunit.c
3585         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
3586         * passes.c (init_optimization_passes): Add the two new passes.
3587         (execute_todo): Handle cgraph_remove_functions.
3589 2007-01-08  Nick Clifton  <nickc@redhat.com>
3591         * config/frv/predicates.md (reg_or_0_operand): Accept
3592         CONST_DOUBLEs.
3594 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
3596         * config/bfin/rtems.h, config/bfin/t-rtems: New.
3597         * config.gcc: Add bfin*-rtems*.
3599 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3601         * c.opt: Add -flax-vector-conversions.
3602         * c-typeck.c (convert_for_assignment): Pass flag to
3603         vector_types_convertible_p to allow emission of note.
3604         (digest_init): Likewise.
3605         * c-opts.c: Handle -flax-vector-conversions.
3606         * c-common.c (flag_lax_vector_conversions): New.
3607         (vector_types_convertible_p): Unless -flax-vector conversions
3608         has been passed, disallow conversions between vectors with
3609         differing numbers of subparts and/or element types.  If such
3610         a conversion is disallowed, possibly emit a note on the first
3611         occasion only to inform the user of -flax-vector-conversions.
3612         The new last argument specifies this.
3613         * c-common.h (flag_lax_vector_conversions): New.
3614         (vector_types_convertible_p): Add extra argument.
3615         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
3616         char_type_node for V*QI type vectors.
3617         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
3618         Update to satisfy new typechecking rules.
3619         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
3620         C and C++ variants.
3621         * doc/invoke.texi (C Dialect Options): Document
3622         -flax-vector-conversions.
3624 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3626         PR tree-optimization/29877
3627         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
3628         a register variable on the RHS to not be replaceable.
3630 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
3631         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
3632         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
3633         const_simm15, const_pow2, const_npow2): Added.
3634         * config/score/misc.md (insv, extv, extzv, movmemsi,
3635         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
3636         * config/score/score.c (score_address_cost, score_select_cc_mode):
3637         Added.
3638         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
3639         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
3640         Update score_print_operand.
3641         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
3642         Adjust register allocate order and update some macro define.
3643         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
3644         mdx_block_move_straight, mdx_block_move_loop_head,
3645         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
3646         mdx_block_move): Added.
3647         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
3648         mdp_limm): Updated and fix some bug and typo.
3649         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
3650         (movsf, movdf, doloop_end): Added.
3652 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
3654         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
3655         config/arm/thumb2.md: Fix comment typos.
3656         * doc/extend.texi: Fix a typo.
3658 2007-01-07  Eric Christopher  <echristo@apple.com>
3660         * configure.ac: Check for __stack_chk_fail for darwin.
3661         * configure: Regenerate.
3663 2007-01-07  Richard Guenther  <rguenther@suse.de>
3665         * tree-vrp.c (extract_range_from_assert): CSE calls to
3666         compare_values where possible.
3667         (extract_range_from_unary_expr): Likewise.
3669 2007-01-07  Anatoly Sokolov <aesok@post.ru>
3671         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
3672         * config/avr/avr.c (call_insn_operand): Delete function.
3673         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
3674         instead of register number. Use predicates.
3675         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
3676         call_insn_operand): Add.
3678 2007-01-06  Jan Hubicka  <jh@suse.cz>
3680         * tree-pass.h (pass_build_cgraph_edges): Declare.
3681         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
3682         (visited_nodes): Remove.
3683         (cgraph_create_edges): Move to cgraphbuild.c; rename to
3684         build_cgrpah_edges; make visited_nodes local.
3685         (cgraph_process_new_functions): DO not call initialize_inline_failed.
3686         (record_references_in_initializer): Move to cgraphbuild.c
3687         (initialize_inline_failed, rebuild_cgraph_edges,
3688         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
3689         (verify_cgraph_node): Make visited_nodes local.
3690         (cgraph_analyze_function): Do not call cgraph_create_edges and
3691         initialize_inline_failed.
3692         (cgraph_expand_function): Do not call cgraph_lower_function;
3693         assert that function is already lowered.
3694         * Makefile.in (cgraphbuild.o): New.
3695         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
3696         at the end of lowering passes.
3698 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
3700         * ifcvt.c (cond_move_convert_if_block): New function, code
3701         factored out from...
3702         (cond_move_process_if_block): ...here.  Call the new function
3703         on the THEN and ELSE blocks.
3704         (merge_if_block): Do not copy global_live_at_end, merge_blocks
3705         already takes care of this.
3707 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3709         PR c/19978
3710         * tree.h (TREE_OVERFLOW_P): New.
3711         * c-typeck.c (parser_build_unary_op): Warn only if result
3712         overflowed and operands did not.
3713         (parser_build_binary_op): Likewise.
3714         (convert_for_assignment): Remove redundant overflow_warning.
3715         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
3717 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3719         * c-typeck.c (store_init_value): Split over two lines to follow
3720         the GNU coding style.
3722 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
3724         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
3725         __GXX_EXPERIMENTAL_CXX0X__.
3726         * doc/cpp.texi: Same.
3728 2007-01-05  Richard Guenther  <rguenther@suse.de>
3730         PR middle-end/27826
3731         * tree.c (get_narrower): Do not construct COMPONENT_REFs
3732         with mismatched types.  Instead explicitly build a
3733         conversion NOP_EXPR.
3735 2007-01-05  Ian Lance Taylor  <iant@google.com>
3737         * c-common.c (decl_with_nonnull_addr_p): New function.
3738         (c_common_truthvalue_conversion): Call it.
3739         * c-typeck.c (build_binary_op): Likewise.
3740         * c-common.h (decl_with_nonnull_addr_p): Declare.
3742 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
3744         PR c/30360
3745         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
3746         denom against 0.0.
3748 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
3750         * doc/install.texi (Final install): Document the fact that
3751         the GNAT runtime should not be stripped.
3753 2007-01-04  Jan Hubicka  <jh@suse.cz>
3755         * tree-inline.c (fold_marked_statements): Update operand caches
3756         and EH after folding
3758 2007-01-04  Ian Lance Taylor  <iant@google.com>
3760         * c-common.c (check_function_nonnull): Whitespace fix.
3762 2007-01-04  Jan Hubicka  <jh@suse.cz>
3764         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
3765         comitted older version of patch.
3766         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
3767         function, celanup cfg and collect garbage.
3769 2007-01-04  Mike Stump  <mrs@apple.com>
3771         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
3772         (clean): Likewise.
3774 2007-01-04  Eric Christopher  <echristo@apple.com>
3776         * libgcc2.c (__bswapsi2): Use SItype.
3777         (__bswapdi2): Use DItype.
3778         * libgcc2.h: Update for above.
3780 2007-01-04  Paul Brook  <paul@codesourcery.com>
3782         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
3783         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
3784         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
3785         umulsidi3, umulsidi3adddi, smulsi3_highpart,
3786         umulsi3_highpart): Make conditional on !arm_arch6.
3787         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
3788         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
3789         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
3790         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
3791         umulsi3_highpart_v6): New insns.
3793 2007-01-04  Roger Sayle  <roger@eyesopen.com>
3795         * fold-const.c (fold_convert): When casting an expression to void,
3796         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
3797         have a type.  Instead of attempting to build a NOP_EXPR, return
3798         these "special" trees directly.
3800 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
3802         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
3803         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
3804         rs6000_cost->fp not 0 as adjustment for outer NEG.
3806 2007-01-04  Jan Hubicka  <jh@suse.cz>
3808         * cgraph.c (cgraph_release_function_body): New function.
3809         (cgraph_remove_node): Use it.
3810         * cgraph.h (cgraph_release_function_body): Declare.
3811         * cgraphunit.c (cgraph_expand_function): Use it.
3812         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
3813         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
3814         is initialized and while compilation of other function is running.
3815         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
3816         statement CFG annotations from here to ...
3817         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
3819 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
3821         * cfgloop.h (enum li_flags): Make the constants powers of two.
3823 2007-01-04  Jan Hubicka  <jh@suse.cz>
3825         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
3826         set.
3827         (fold_marked_statements): New function.
3828         (optimize_inline_calls, tree_function_versioning): Fold new statements.
3829         * tree-inline.h (copy_body_data): Add statements_to_fold.
3831 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
3833         * config.gcc: Mention libgcc/config.host.
3834         * Makefile.in: Update comments mentioning libgcc.
3835         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
3836         (all.cross, start.encap, rest.encap, rest.cross): Update
3837         dependencies for libgcc move.
3838         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
3839         (clean-target, clean-target-libgcc): Delete.
3840         (srcdirify, GCC_EXTRA_PARTS): New macros.
3841         (libgcc-support, libgcc.mvars): New rules.
3842         (distclean): Remove mention of mklibgcc.
3843         (install): Don't reference INSTALL_LIBGCC.
3844         (install-common): Don't reference EXTRA_PARTS.
3845         (install-libgcc, install-multilib): Delete rules.
3846         * mklibgcc.in: Delete file.
3847         * doc/configfiles.texi: Don't mention mklibgcc.
3849         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
3850         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
3851         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
3852         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
3853         (mklibgcc, ldblspecs): Likewise.
3855         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
3856         (posixpre.def): Use $(T).
3857         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
3858         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3859         (SHLIB_LINK): Make dummy.
3860         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3862         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3864         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3865         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3866         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3867         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3869         * configure.ac (all_outputs): Remove mklibgcc.
3870         * configure: Regenerated.
3872 2007-01-03  Josh Conner  <jconner@apple.com>
3874         PR middle-end/29683
3875         * calls.c (compute_argument_addresses): Set stack and stack_slot
3876         for partial args, too.
3877         (store_one_arg): Use locate.size.constant for the size when
3878         generating a save_area.
3880 2007-01-03  Robert Kennedy <jimbob@google.com>
3882         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3883         whose definitions are deleted due to basic block merging.
3885 2007-01-03  Paul Brook  <paul@codesourcery.com>
3887         PR target/16634
3888         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3889         functions.
3890         (use_return_insn): Return 0 for Thumb interrupt functions.
3891         (print_multi_reg): Add rfe argument for IRQ returns.
3892         (arm_output_epilogue): Pop interrupt return address directly into PC.
3893         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3895 2007-01-03  Paul Brook  <paul@codesourcery.com>
3897         Merge from sourcerygxx-4_1.
3898         * config/arm/thumb2.md: New file.
3899         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3900         Thumb-2.
3901         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3902         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3903         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3904         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3905         tables.
3906         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3907         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3908         comptibility.
3909         * config/arm/ieee754-sf.S: Ditto.
3910         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
3911         (thumb1_base_register_rtx_p): ... to this.
3912         (thumb_index_register_rtx_p): Rename...
3913         (thumb1_index_register_rtx_p): ... to this.
3914         (thumb_output_function_prologue): Rename...
3915         (thumb1_output_function_prologue): ... to this.
3916         (thumb_legitimate_address_p): Rename...
3917         (thumb1_legitimate_address_p): ... to this.
3918         (thumb_rtx_costs): Rename...
3919         (thumb1_rtx_costs): ... to this.
3920         (thumb_compute_save_reg_mask): Rename...
3921         (thumb1_compute_save_reg_mask): ... to this.
3922         (thumb_final_prescan_insn): Rename...
3923         (thumb1_final_prescan_insn): ... to this.
3924         (thumb_expand_epilogue): Rename...
3925         (thumb1_expand_epilogue): ... to this.
3926         (arm_unwind_emit_stm): Rename...
3927         (arm_unwind_emit_sequence): ... to this.
3928         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3929         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3930         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3931         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3932         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3933         thumb2_output_casesi): New functions.
3934         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3935         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3936         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3937         THUMB2_WORK_REGS): Define.
3938         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3939         arm_condexec_mask, arm_condexec_masklen)): New variables.
3940         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3941         (arm_override_options): Check new CPU capabilities.
3942         Set new architecture flag variables.
3943         (arm_isr_value): Handle v7m interrupt functions.
3944         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3945         Thumb-2.
3946         (const_ok_for_arm): Handle Thumb-2 constants.
3947         (arm_gen_constant): Ditto.  Use movw when available.
3948         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3949         functions.
3950         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3951         (thumb_find_work_register, arm_load_pic_register,
3952         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3953         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3954         print_multi_reg, output_mov_long_double_fpa_from_arm,
3955         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3956         output_mov_double_fpa_from_arm, output_move_double,
3957         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3958         output_return_instruction, arm_output_function_prologue,
3959         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3960         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3961         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3962         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3963         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3964         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3965         '!' and 'L'.
3966         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3967         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3968         (arm_file_start): Output directive for unified syntax.
3969         (arm_unwind_emit_set): Handle stack alignment instruction.
3970         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3971         Add v6t2, v7, v7a, v7r and v7m.
3972         (RETLDM): Add Thumb-2 code.
3973         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3974         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3975         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3976         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3977         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3978         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3979         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3980         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3981         ADJUST_INSN_LENGTH): Define.
3982         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3983         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3984         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3985         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3986         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3987         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3988         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3989         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3990         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3991         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3992         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3993         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3994         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3995         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3996         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3997         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3998         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3999         cortex-m3.
4000         * config/arm/arm-tune.md: Regenerate.
4001         * config/arm/arm-protos.h: Update prototypes.
4002         * config/arm/vfp.md: Enable patterns for Thumb-2.
4003         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
4004         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4005         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4006         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4007         * config/arm/libunwind.S: Add Thumb-2 code.
4008         * config/arm/constraints.md: Update include Thumb-2.
4009         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4010         * config/arm/ieee754-df.S: Ditto.
4011         * config/arm/bpabi.S: Ditto.
4012         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4013         * config/arm/predicates.md (low_register_operand,
4014         low_reg_or_int_operand, thumb_16bit_operator): New.
4015         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4016         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4017         * config/arm/t-arm-elf: Add armv7 multilib.
4018         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4019         Include thumb2.md.
4020         (UNSPEC_STACK_ALIGN, ce_count): New.
4021         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4022         arm_zero_extendsidi2, arm_zero_extendqidi2): New
4023         insns/expanders.
4024         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4025         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4026         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4027         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4028         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4029         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4030         insns.
4031         * doc/extend.texi: Document ARMv7-M interrupt functions.
4032         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4034 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
4036         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4037         (struct _Unwind_Context): Rename args_size to flags, remove
4038         signal_frame field, add a new args_size field and version field.
4039         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4040         _Unwind_IsExtendedContext): New inline functions.
4041         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4042         Assume by_value array is only present if _Unwind_IsExtendedContext.
4043         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4044         _Unwind_IsSignalFrame.
4045         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4046         (uw_update_context_1): Use _Unwind_SetSignalFrame.
4047         (uw_init_context_1): Initialize context->flags to
4048         EXTENDED_CONTEXT_BIT.
4049         * config/rs6000/linux-unwind.h (frob_update_context): Use
4050         _Unwind_SetSignalFrame.
4052 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4054         PR middle-end/30353
4055         * gimplify.c (gimplify_modify_expr_complex_part): Move below
4056         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
4057         the value.
4059 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
4061         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4062         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4063         RET, AT_SP): Remove.
4064         * config/i386/i386.md (*sse_prologue_save_insn): Use return
4065         instead of RET.
4067         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4068         * cfgbuild.c (find_basic_blocks): Likewise.
4069         * cfgrtl.c (rtl_create_basic_block): Likewise.
4070         * function.c (temp_slots_at_level): Likewise.
4071         * reg-stack.c (stack_regs_mentioned): Likewise.
4072         * regclass.c (allocate_reg_info): Likewise.
4073         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4074         set_bb_for_stmt, move_block_to_fn): Likewise.
4075         * tree-complex.c (tree_lower_complex): Likewise.
4076         * vec.h (VEC_safe_grow_cleared): New.
4078         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4080 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
4082         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4083         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4084         to loop_version.
4085         * cfgloopmanip.c (scale_loop_frequencies): Export.
4086         (loopify): Scale the frequencies by prescribed coefficients.
4087         (set_zero_probability): New function.
4088         (duplicate_loop_to_header_edge): Improve updating of frequencies.
4089         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4090         and frequencies according to arguments.
4091         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4092         correctly.
4093         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4094         * modulo-sched.c (sms_schedule): Set probabilities for entering
4095         versioned loop correctly.
4096         * tree-vect-transform.c (vect_transform_loop): Ditto.
4097         * cfgloop.h (loopify, loop_version): Declaration changed.
4098         (scale_loop_frequencies): Declared.
4100 2007-01-02  Jan Hubicka  <jh@suse.cz>
4102         * cgraph.c: Include tree-flow.h
4103         (cgraph_add_new-function): Handle IPA_SSA mode; execute
4104         early_local_passes.
4105         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4106         * tree-pass.h (pass_all_early_optimizations): Declare.
4107         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4108         early_local_passes.
4109         (cgraph_analyze_function): Do early_local_passes.
4110         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4111         Do not add referenced vars.
4112         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4113         SSA form.
4114         (gate_all_early_local_passes): New gate.
4115         (pass_early_local_passes): Use new gate.
4116         (execute_early_local_optimizations): New functions.
4117         (gate_all_early_optimizations): New gate.
4118         (pass_all_early_optimizations): New pass.
4119         (execute_free_datastructures): Free SSA only when initialized.
4120         (gate_init_datastructures): Init only when optimizing.
4121         (tree_lowering_passes): Do early local passes when called late.
4122         * tree-profile.c (do_tree_profiling): Don't profile functions added
4123         late.
4124         (do_early_tree_profiling, pass_early_tree_profile): Kill.
4125         * tree-cfg.c (update_modified_stmts): Do not update when operands are
4126         not active.
4127         * passes.c (init_optimizations_passes): Reorder so we go into SSA
4128         during early_local_passes.
4129         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4132 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4134         * Makefile.in: Update copyright year.
4136 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
4138         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4139         in $(lang_checks) and check-consistency targets.
4141 2007-01-02  Jan Hubicka  <jh@suse.cz>
4143         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4144         Do not add referenced vars.
4145         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4146         are not active.
4147         * passes.c (init_optimization_passes): Put mudflap_2 after
4148         free_datastructures.
4150 2007-01-02  Jan Hubicka  <jh@suse.cz>
4152         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4153         Set NOTHROW flag on call statements proved to be nothrow.
4154         Update statement of local calls so new pure/const functions are
4155         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4156         goto receivers.
4157         (tree_rest_of_compilation): Register hooks and initialize bitmap
4158         early. Do not set after_inlining flag.
4160 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
4162         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
4163         HOST_BITS_PER_LONGLONG
4165 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4167         PR c/19977
4168         * c-typeck.c (store_init_value): Don't emit pedantic overflow
4169         warning for non-static initializers.
4171 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
4173         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4174         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4175         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4176         Always use set_unique_reg_note to add REG_EQUAL notes.
4178 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4180         Revert:
4181         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4183         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4184         * cfgbuild.c (find_basic_blocks): Likewise.
4185         * cfgrtl.c (rtl_create_basic_block): Likewise.
4186         * function.c (temp_slots_at_level): Likewise.
4187         * reg-stack.c (stack_regs_mentioned): Likewise.
4188         * regclass.c (allocate_reg_info): Likewise.
4189         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4190         set_bb_for_stmt, move_block_to_fn): Likewise.
4191         * tree-complex.c (tree_lower_complex): Likewise.
4192         * vec.h (VEC_safe_grow_cleared): New.
4194 2007-01-02  Ian Lance Taylor  <iant@google.com>
4196         * c-common.c (c_common_truthvalue_conversion): When warning about
4197         using an assignment as a truth value, set TREE_NO_WARNING.
4199 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4201         PR middle-end/7651
4202         * c.opt (Wold-style-declaration): New.
4203         * doc/invoke.texi (C-only Warning Options): New.
4204         (Wold-style-declaration): Document it.
4205         (Wextra): Enabled by -Wextra.
4206         * c-opts.c (c_common_post_options): Enabled by -Wextra.
4207         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4208         -Wold-style-declaration.
4210 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
4212         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4213         * cfgbuild.c (find_basic_blocks): Likewise.
4214         * cfgrtl.c (rtl_create_basic_block): Likewise.
4215         * function.c (temp_slots_at_level): Likewise.
4216         * reg-stack.c (stack_regs_mentioned): Likewise.
4217         * regclass.c (allocate_reg_info): Likewise.
4218         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4219         set_bb_for_stmt, move_block_to_fn): Likewise.
4220         * tree-complex.c (tree_lower_complex): Likewise.
4221         * vec.h (VEC_safe_grow_cleared): New.
4223 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
4225         * c-common.c (c_common_nodes_and_builtins): Since variants of
4226         void_type_node get built before it is given a name, we need to
4227         give those variants the name, too.
4228         (complete_array_type): We need to work with the canonical main
4229         type of the array, from which we will build the qualified version.
4230         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4231         * print-tree.c (print_node): Display canonical type information
4232         for each type.
4233         * stor-layout.c (layout_type): When we don't know the
4234         alignment of a type for which we're building an array, we end up
4235         guessing wrong, so make the type require structural equality.
4236         * tree.c (make_node_stat): When we build a new type, it is its
4237         own canonical type.
4238         (build_type_attribute_qual_variant): When building an attribute
4239         variant, its canonical type is the non-attribute variant. However,
4240         if the attributes are target-dependent and they differ, we need to
4241         use structural equality checks for this type.
4242         (build_qualified_type): A qualified type is not equivalent to its
4243         unqualified variant; set the canonical type appropriately.
4244         (build_distinct_type_copy): When building a distinct type from
4245         another type, the new type is its own canonical type.
4246         (build_variant_type_copy): When building a new type variant, we
4247         assume that it is equivalent to the original type.
4248         (build_pointer_type_for_mode): When building a pointer type, also
4249         build a canonical type pointer.
4250         (build_reference_type_for_mode): When building a reference type,
4251         also build a canonical type reference.
4252         (build_index_type): When we can't hash an index type (e.g.,
4253         because its maximum value is negative), the index type requires
4254         structural equality tests.
4255         (build_array_type): Build the canonical form of an array type.
4256         (build_function_type): Function types require structural equality,
4257         because they contain default arguments, attributes, etc.
4258         (build_method_type_directly): Ditto for method types.
4259         (build_offset_type): Build the canonical offset type.
4260         (build_complex_type): Build the canonical vector type.
4261         (make_vector_type): Build the canonical vector type.
4262         * tree.h (TYPE_CANONICAL): New.
4263         (TYPE_STRUCTURAL_EQUALITY_P): New.
4264         (SET_TYPE_STRUCTURAL_EQUALITY): New.
4265         (struct tree_type): Added "canonical" field.
4266         * params.h (VERIFY_CANONICAL_TYPES): New.
4267         * doc/c-tree.texi (TYPE_CANONICAL): Document.
4268         (TYPE_STRUCTURAL_EQUALITY_P): Document.
4269         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4270         * doc/invoke.texi (verify-canonical-types): Document --param
4271         parameter for verifying canonical types.
4273 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4275         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4276         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4277         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4278         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4279         tm_file.
4280         * config/rs6000/e500.h: New.
4281         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4282         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4283         Remove.
4284         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4285         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4286         TARGET_E500_DOUBLE): Remove.
4287         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4288         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4289         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4290         * config/rs6000/rs6000.c (rs6000_override_options): Use
4291         CHECK_E500_OPTIONS.
4293 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4295         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4296         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4297         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4298         rs6000_emit_cmove): Don't check TARGET_E500.
4299         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4300         sordered): Don't check TARGET_E500.
4302 2007-01-01  Eric Christopher  <echristo@apple.com>
4304         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4305         HARD_REGISTER_NUM_P.
4307 2007-01-01  Roger Sayle  <roger@eyesopen.com>
4309         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4310         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4311         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4312         eq/ne Y".
4314 2007-01-01  Mike Stump  <mrs@apple.com>
4316         * configure.ac: Remove support for building with Apple's gcc-3.1.
4318 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
4320         PR middle-end/30311
4321         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4322         REG is a hard register.  Do not modify REG before calling
4323         subreg_nregs.
4324         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4325         multiple of the size of YMODE for certain lowpart cases.
4327 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4329         PR middle-end/30253
4330         * gimplify (voidify_wrapper_expr): Update for
4331         GIMPLE_MODIFY_STMT.
4333 2007-01-01  Andreas Schwab  <schwab@suse.de>
4335         PR target/29166
4336         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4337         save of BR0 in extra_spill_size instead of spill_size.
4338         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4339         area.
4340         (ia64_expand_epilogue): Restore BR0 from its new location.
4342 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4344         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4345         Use a temporary variable if the left hand side is not a gimple
4346         register.
4348 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
4350         * gimplify.c (gimplify_return_expr): Make the temporary variable
4351         for the return expression, a gimple register variable.
4353 2007-01-01  Jan Hubicka  <jh@suse.cz>
4355         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4356         INSN_LIST.
4358 2007-01-01  Mike Stump  <mrs@apple.com>
4360         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4361         .literal16.
4362         * config/darwin.c (machopic_select_rtx_section): Use
4363         HAVE_GAS_LITERAL16.
4364         (darwin_mergeable_constant_section): Likewise.
4365         * configure: Regenerate.
4366         * config.in: Regenerate.
4368 2007-01-01  Jan Hubicka  <jh@suse.cz>
4369             Andrew Pinski  <pinskia@gmail.com>
4371         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4372         before starting IPA passes.