OSDN Git Service

2007-04-18 Eric Christopher <echristo@apple.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-18  Eric Christopher  <echristo@apple.com>
2
3         * config/rs6000/darwin.md (load_macho_picbase): Use link register
4         only. Update operands.
5         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
6         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7         link register to pic register.
8
9 2007-04-18  Dirk Mueller  <dmueller@suse.de>
10
11         PR diagnostic/31227
12         * tree-vrp.c (search_for_addr_array): New.
13         (check_array_bounds): Suppress warning about
14         address taken of array refs if its not de-referenced.
15
16 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17
18         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
19         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
20
21         * tree-vectorizer.h (NITERS_KNOWN_P): New.
22         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
23         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
24
25         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
26         dump print.
27         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
28         print message.
29         (vect_analyze_scalar_cycles): Fix indentation.
30         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
31         (vect_mark_relevant): Include phis in relevance analysis.
32
33         * tree-vect-transform.c (vect_transform_loop): Add an assert.
34
35 2007-04-18  Anatoly Sokolov <aesok@post.ru>
36
37         * config/avr/avr.c (ptrreg_to_str): Replace error() with
38         output_operand_lossage().
39
40 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
41
42         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
43         the unused code for reduction without adjust-in-epilog to simplify the
44         function.
45
46 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
47
48         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
49         (S390_TDC_NEGATIVE_ZERO): New constant.
50         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
51         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
52         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
53         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
54         (S390_TDC_POSITIVE_INFINITY): New constant.
55         (S390_TDC_NEGATIVE_INFINITY): New constant.
56         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
57         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
58         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
59         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
60         (S390_TDC_INFINITY): New constant.
61         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
62         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
63         optimization for UNSPEC_CCZ_TO_INT.
64         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
65         ("*ccz_to_int"): New insn.
66         ("isinf<mode>2"): New insn.
67         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
68         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
69         (UNSPEC_CCZ_TO_INT): New constant.
70
71 2007-04-18  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/19431
74         PR tree-optimization/21463
75         * tree-pass.h (pass_phiprop): Declare.
76         * passes.c (init_optimization_passes): New phiprop pass.
77         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
78         (phivn_valid_p): New helper function.
79         (phiprop_insert_phi): Likewise.
80         (propagate_with_phi): Likewise.
81         (tree_ssa_phiprop): New propagator propagating loads
82         through phi nodes if profitable.
83
84 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
85
86         * tree-vect-analyze.c (process_use): New function.
87         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
88         Check phis in all bbs.
89         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
90         assert.
91
92 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
93
94         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
95         we use REG_EQUAL.
96
97 2007-04-17  Anatoly Sokolov <aesok@post.ru>
98
99         PR target/30483
100         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
101         error().
102
103 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
104
105         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
106         on "0".
107         (sse_vmmulv4sf3): Likewise.
108         (sse2_vmaddv2df3): Likewise.
109         (sse2_vmmulv2df3): Likewise.
110
111 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
112
113         PR rtl-optimization/31360
114         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
115         (target_reg_cost): New.
116         (init_set_costs): Initialize target_reg_cost.  Add comments
117         regarding the rationale of the costs.
118         (global_cost_for_size): Renamed to...
119         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
120         of register pressure.
121         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
122         estimate_reg_pressure_cost.  Add number of ivs.
123         (determine_set_costs): Dump target_reg_cost.
124         * loop-invariant.c (gain_for_invariant):  Use
125         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
126         (best_gain_for_invariant, find_invariants_to_move): Remove
127         n_inv_uses.
128         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
129         (target_reg_cost): Declare.
130         (global_cost_for_size): Declaration removed.
131         (estimate_reg_pressure_cost): Declare.
132
133 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
134
135         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
136         regnos into even/odd register pairs.
137         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
138         TDmode similar to the other floating point modes.
139         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
140         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
141         define_expand's.
142         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
143         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
144         (movdd_hardfloat64): Use TARGET_MFPGPR.
145
146 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
147
148         * reload1.c (delete_output_reload): Don't count output in n_inherited.
149
150         Revert
151         2005-01-05  Richard Henderson  <rth@redhat.com>
152         PR rtl-opt/10692
153         * reload1.c (do_input_reload): Restrict the optimization deleteing
154         a previous output reload to RELOAD_FOR_INPUT.
155
156 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
157
158         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
159         induc_vec_info_type.
160         (vectorizable_induction): New function declaration.
161         * tree-vect-transform.c (get_initial_def_for_induction): No need to
162         check if already vectorized.  Find first place in BB where new stmts
163         can be inserted.  Takes only one argument.
164         (vectorizable_induction): New function.
165         (vect_transform_stmt): Add case for induc_vec_info_type to call
166         vectorizable_induction.
167         (vect_transform_loop): Consider phis for vectorization.
168         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
169         condition.
170         (analyze_operations): Call vectorizable_induction when analyzing phis.
171         Fix comment.
172         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
173         (vect_mark_relevant): Include phis in relevance analysis.
174         (vect_mark_stmts_to_be_vectorize): Likewise.
175         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
176
177 2007-04-16  Lawrence Crowl  <crowl@google.com>
178
179         * doc/invoke.texi (Debugging Options): Add documentation for the
180         -femit-struct-debug options -femit-struct-debug-baseonly,
181         -femit-struct-debug-reduced, and
182         -femit-struct-debug-detailed[=...].
183
184         * c-opts.c (c_common_handle_option): Add
185         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
186         and OPT_femit_struct_debug_detailed_.
187         * c.opt: Add specifications for
188         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
189         and -femit-struct-debug-detailed[=...].
190         * opts.c (set_struct_debug_option): Parse the
191         -femit-struct-debug-... options.
192         * opts.c (matches_main_base, main_input_basename,
193         main_input_baselength, base_of_path, matches_main_base): Add
194         variables and functions to compare header base name to compilation
195         unit base name.
196         * opts.c (should_emit_struct_debug): Add to determine to emit a
197         structure based on the option.
198         (dump_struct_debug) Also disabled function to debug this
199         function.
200         * opts.c (handle_options): Save the base name of the
201         compilation unit.
202
203         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
204         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
205         This hook indicates if a type is generic.  Set it by default
206         to "never generic".
207         * langhooks.h (struct lang_hooks_for_types): Add a new hook
208         to determine if a struct type is generic or not.
209         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
210         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
211         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
212         with live C++ hook.
213
214         * flags.h (enum debug_info_usage): Add an enumeration to describe
215         a program's use of a structure type.
216         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
217         to indicate the program's usage of the type.  Filter structs based
218         on the -femit-struct-debug-... specification.
219         (gen_type_die): Split into two routines, gen_type_die and
220         gen_type_die_with_usage.  gen_type_die is now a wrapper
221         that assumes direct usage.
222         (gen_type_die_with_usage): Replace calls to gen_type_die
223         with gen_type_die_with_usage adding the program usage of
224         the referenced type.
225         (dwarf2out_imported_module_or_decl): Suppress struct debug
226         information using should_emit_struct_debug when appropriate.
227
228 2007-04-16  Ian Lance Taylor  <iant@google.com>
229
230         PR tree-optimization/31522
231         * tree-vrp.c (vr_phi_edge_counts): New static variable.
232         (vrp_initialize): Allocate vr_phi_edge_counts.
233         (vrp_visit_phi_node): Don't push to infinity if we saw a new
234         executable edge.  Drop test for all constants.
235         (vrp_finalize): Free vrp_phi_edge_counts.
236
237         * doc/cpp.texi (Common Predefined Macros): Clarify description of
238         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
239
240         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
241         predecessors at head rather than tail.
242
243 2007-04-16  Matthias Klose  <doko@debian.org>
244
245         * gcc/config/alpha/linux.h (CPP_SPEC): Define.
246         * gcc/config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
247
248 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
249
250         * function.h: Remove sequence_stack extern declaration.
251
252 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
253
254         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
255         TARGET_FIDOA.
256         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
257         defined.
258
259 2007-04-16  Anatoly Sokolov <aesok@post.ru>
260
261         * config/avr/avr.c (avr_arch_types): Rearranging  array.
262         (enum avr_arch): Add.
263         (avr_mcu_types): Use avr_arch enumeration constants instead of
264         numbers.
265         * config/avr/avr.h (LINK_SPEC): Simplify.
266
267 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
268
269         * config/m68k/m68k.c (m68k_libcall_value,
270         m68k_function_value): Use macros for register names more.
271
272         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
273         instead.
274         (M68K_REGNAME): Use A6_REG.
275         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
276
277 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
278
279         PR middle-end/28071
280         * sched-int.h (struct deps): Split field 'pending_lists_length' into
281         'pending_read_list_length' and 'pending_write_list_length'.  Update
282         comment.
283         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
284         to handle two length counters instead of one.  Update all uses.
285         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
286         two length counters instead of one.
287         * sched-rgn.c (propagate_deps): Update to handle two length counters
288         instead of one.
289
290 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
291
292         PR target/31582
293         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
294         copy of source, pass it to ix86_expand_vector_set and return
295         it as target.
296
297 2007-04-16  David Ung  <davidu@mips.com>
298             Joseph Myers  <joseph@codesourcery.com>
299
300         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
301         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
302         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
303         Add 74K processor information.
304         * config/mips/mips.md: Include 74k.md.
305         (cpu): Add 74kc,74kf,74kx.
306         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
307         * config/mips/74k.md: New.
308         * doc/invoke.texi (MIPS Options): Document 74K support.
309
310 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
311
312         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
313         vectorizable_* functions.
314         * tree-vect-transform.c (vectorizable_call): Add check for
315         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
316         (vectorizable_store): likewise.
317         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
318         Add comments.
319         (vectorizable_operation, vectorizable_type_demotion): Likewise.
320         (vectorizable_type_promotion, vectorizable_load): Likewise.
321         (vectorizable_live_operation, vectorizable_condition): Likewise.
322         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
323         STMT_VINFO_LIVE_P.
324         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
325
326 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
327
328         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
329         register numbers more.
330         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
331         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
332         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
333         FUNCTION_VALUE_REGNO_P): Likewise.
334         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
335         STATIC_CHAIN_REGNUM): Likewise.
336         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
337         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
338         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
339         * config/m68k/m68k.md (FP_REG): New.
340
341 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
342
343         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
344         alignment on fido.
345
346 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
347
348         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
349         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
350         comment typos.
351
352 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
353
354         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
355         cold loops.
356
357 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
358
359         PR c/31520
360         * c-decl.c (finish_decl): Grab the type of the decl after the call
361         to store_init_value.
362
363 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
364
365         * common.opt (fforward-propagate): Fix "Optimization" annotation.
366
367 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
368
369         PR c++/25874
370         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
371         post dominators and cleanup cfg before returning.
372
373 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
374
375         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
376         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
377
378 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
379
380         * config.gcc: Recognize fido.
381         * config/m68k/m68k-devices.def (fidoa): New.
382         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
383         __mfido__.
384         (FL_FIDOA, TARGET_FIDOA): New.
385         * config/m68k/m68k.opt (mfidoa): New.
386
387 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
388
389         PR middle-end/31322
390         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
391         when a personality function is used.
392
393 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
394
395         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
396
397 2007-04-13  Mike Stump  <mrs@apple.com>
398
399         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
400         we can...
401         * config/darwin.opt (fapple-kext): Make C++ only.
402         * config/darwin.c (darwin_override_options): Remove code to ensure
403         -fapple-kext is given for C++ only.
404
405 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
406
407         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
408         * config/mips/mips.c (override_options): Call
409         SUBTARGET_OVERRIDE_OPTIONS, if defined.
410
411 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
412
413         * config/i386/i386.opt (msvr3-shlib): Removed.
414
415         * doc/invoke.texi: Remove -msvr3-shlib.
416
417 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
418
419         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
420         with "popcnt" instruction.
421
422 2007-04-13  Richard Guenther  <rguenther@suse.de>
423
424         PR tree-optimization/21258
425         * tree-vrp.c (compare_case_labels): New helper.
426         (find_switch_asserts): New function.
427         (find_assert_locations): Call it for SWITCH_EXPRs.
428
429 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
430
431         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
432         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
433         check is now implied in X87_FLOAT_MODE_P.
434         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
435         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
436         (fix_trunc<mode>_i386_fisttp): Ditto.
437         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
438         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
439         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
440         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
441         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
442         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
443         (unnamed_splitters): Ditto.
444         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
445         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
446         FIRST_SSE_REG for local functions when SSE math is enabled or
447         for functions with sseregparm attribute.
448         (standard_80387_constant_p): Return -1 if mode is not
449         X87_FLOAT_MODE_P.
450         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
451         (ix86_expand_compare): Ditto.
452         (ix86_expand_carry_flag_compare): Ditto.
453         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
454         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
455         DECIMAL_FLOAT_MODE_P.
456         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
457         of SCALAR_FLOAT_MODE_P.
458         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
459         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
460         checks before FLOAT_MODE_P.
461         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
462         before FLOAT_MODE_P.
463         [DIV]: Ditto.
464         [NEG]: Ditto.
465         [ABS]: Ditto.
466         [SQRT]: Ditto.
467         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
468
469 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
470             Charles Wilson  <libtool@cwilson.fastmail.fm>
471
472         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
473         (libgcc.mvars): Don't depend on them.
474         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
475         * exec-tool.in: New.
476
477 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
478
479         * doc/invoke.text (--help): Document --help=common.
480
481 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
482
483         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
484
485 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
486
487         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
488         * genemit.c (main): Emit #include "integrate.h".
489         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
490         (LOADGP_RTP): New mips_loadgp_style.
491         * config/mips/mips.h: Include config/vxworks-dummy.h.
492         (TARGET_RTP_PIC): New macro.
493         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
494         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
495         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
496         for TARGET_RTP_PIC.
497         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
498         -mvxworks-pic when using -mrtp and a PIC option.
499         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
500         for RTP PIC.
501         (mips_symbolic_constant_p, mips_symbolic_address_p)
502         (mips_symbol_insns): Handle SYMBOL_HALF.
503         (override_options): Warn about -G and -mrtp being used together.
504         Initialize mips_lo_relocs[SYMBOL_HALF].
505         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
506         (mips_emit_loadgp): Handle LOADGP_RTP.
507         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
508         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
509         (tablejump): Handle function-relative case table entries if
510         TARGET_RTP_PIC.
511         * config/mips/predicates.md (symbol_ref_operand): New predicate.
512
513 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
514
515         * config/mips/mips.md (load_call<mode>): Allow any general register.
516         destination.
517         (sibcall_value_internal, sibcall_value_multiple_internal)
518         (call_value_internal, call_value_split, call_value_multiple_internal)
519         (call_value_multiple_split): Remove constraints from operand 0.
520
521 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
522
523         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
524         rather than loadgp_noshared.
525         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
526         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
527         gen_loadgp.
528         * config/mips/mips.md (loadgp): Rename to...
529         (loadgp_newabi): ...this.
530         (loadgp_noshared): Rename to...
531         (loadgp_absolute): ...this.
532
533 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
534
535         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
536         false for locally-binding symbols.
537         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
538
539 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
540
541         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
542         (SYMBOL_GOT_PAGE_OFST): ...this.
543         (SYMBOL_GOT_GLOBAL): Rename to...
544         (SYMBOL_GOT_DISP): ...this.
545         (SYMBOL_GOTOFF_GLOBAL): Rename to...
546         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
547         * config/mips/mips.c (mips_global_symbol_p): New function.
548         (mips_symbol_binds_local_p): Likewise.
549         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
550         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
551         and mips_symbol_binds_local_p.
552         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
553         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
554         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
555         SYMBOL_GOTOFF_DISP.
556         (mips_ok_for_lazy_binding_p): New function.
557         (mips_load_call_address, mips_expand_call): Use it.
558         (mips_dangerous_for_la25_p): Likewise.
559         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
560         (*got_disp<mode>): Use got_disp_operand instead of
561         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
562         SYMBOL_GOTOFF_GLOBAL.
563         (*got_page<mode>): Use got_page_ofst_operand instead of
564         local_got_operand.
565         * config/mips/predicates.md (const_call_insn_operand): Use
566         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
567         (global_got_operand): Rename to...
568         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
569         SYMBOL_GOT_GLOBAL.
570         (local_got_operand): Rename to...
571         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
572         of SYMBOL_GOT_LOCAL.
573
574 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
575
576         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
577         TARGET_CALL_CLOBBERED_GP.
578         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
579         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
580         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
581         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
582         of TARGET_ABICALLS && !TARGET_NEWABI.
583         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
584         * config/mips/mips.c (mips_load_call_address): Check
585         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
586         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
587         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
588         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
589         TARGET_ABICALLS && TARGET_NEWABI.
590         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
591         TARGET_ABICALLS.
592         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
593         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
594         TARGET_ABICALLS && TARGET_NEWABI.
595         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
596         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
597         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
598         whether indirect calls must use $25.
599         (mips_extra_live_on_entry): Check TARGET_GOT instead of
600         TARGET_ABICALLS.
601         * config/mips/mips.md (jal_macro): Check flag_pic and
602         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
603         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
604         instead of TARGET_ABICALLS.
605         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
606         TARGET_ABICALLS && TARGET_OLDABI.
607         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
608         (sibcall): In the comment above the define_insn, mention
609         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
610         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
611         instead of TARGET_ABICALLS.
612
613 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
614
615         * doc/md.texi (Blackfin family constraints): Document PA and PB.
616         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
617         (MACFLAGS_MATCH_P): New macro.
618         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
619         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
620         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
621         the other MACFLAG constants.
622         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
623         (flag_machi): Tighten constraints.  Renumber some of the operands.
624         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
625         output template.
626         (flag_machi_parts_acconly): New pattern.
627         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
628         used.
629         (flag_macinit1hi): Tighten constraints.
630         (flag_mul_macv2hi_parts_acconly): New pattern.
631
632         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
633         Use a more efficient implementation.
634         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
635         inline sequences when not optimizing for size.
636
637         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
638         movhi_high2low): Delete, merge functionality into...
639         (packv2hi): ... this pattern.
640
641         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
642         * config/bfin/bfin.opt (msim): New option.
643         (mcpu=): New option.
644         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
645         (bfin_cpu_t): Typedef of enum bfin_cpu.
646         (bfin_cpu_type): New declaration.
647         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
648         -msim and -mcpu= options.
649         (LIB_SPEC): Likewise.
650         * config/bfin/bfin.c (bfin_cpu_type): Define.
651         (bfin_handle_option): Handle -mcpu= option.
652         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
653         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
654         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
655
656 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
657
658         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
659         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
660         (powerpc-wrs-vxworksae): Use ${tm_file}.
661         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
662         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
663         * config/i386/vx-common.h: New file.
664
665 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
666
667         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
668         of crt0.o%s.
669
670 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
671
672         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
673         ldxtr.
674
675 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
676
677         PR c++/31078
678         PR c++/31103
679         * c-common.c (c_build_qualified_type): Set canonical type
680         appropriately.
681
682 2007-04-12  Richard Guenther  <rguenther@suse.de>
683
684         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
685         lower bound and element size if lower bound is not zero
686         or either of the ARRAY_REF operands is set.
687
688 2007-04-12  Richard Guenther  <rguenther@suse.de>
689
690         PR tree-optimization/24689
691         PR tree-optimization/31307
692         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
693         indices by value.
694         * gimplify.c (canonicalize_addr_expr): To be consistent with
695         gimplify_compound_lval only set operands two and three of
696         ARRAY_REFs if they are not gimple_min_invariant.  This makes
697         it never at this place.
698         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
699
700 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
701
702         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
703         null before emitting a .nsubspa directive.
704
705 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
706
707         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
708         need_to_partition_p if there are no memory statements in the
709         function.
710
711 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
712
713         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
714         (gcd_of_steps_may_divide_p): New function.
715         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
716
717 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
718
719         * reload.c (find_reloads_toplev, find_reloads_address,
720         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
721         not a pointer equality test, to decide if we need to call
722         push_reg_equiv_alt_mem.
723
724 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
725
726         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
727         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
728         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
729
730 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
731
732         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
733         vector to be positive.
734
735 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
736
737         PR 30735
738         PR 31090
739         * doc/invoke.texi: Document --params max-aliased-vops and
740         avg-aliased-vops.
741         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
742         debug_memory_partitions): Move to tree-flow.h
743         * params.h (AVG_ALIASED_VOPS): Define.
744         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
745         users.
746         (mp_info_t): Likewise.
747         (get_mem_sym_stats_for): New.
748         (set_memory_partition): Move from tree-flow-inline.h.
749         (mark_non_addressable): Only clear the set of symbols for the
750         partition if it exists.
751         (dump_memory_partitions): Move from tree-ssa-operands.c
752         (debug_memory_partitions): Likewise.
753         (need_to_partition_p): New.
754         (dump_mem_ref_stats): New.
755         (debug_mem_ref_stats): New.
756         (dump_mem_sym_stats): New.
757         (debug_mem_sym_stats): New.
758         (update_mem_sym_stats_from_stmt): New.
759         (compare_mp_info_entries): New.
760         (mp_info_cmp): Call it.
761         (sort_mp_info): Change argument to a list of mem_sym_stats_t
762         objects.
763         (get_mpt_for): Move from tree-ssa-operands.c.
764         (find_partition_for): New.
765         (create_partition_for): Remove.
766         (estimate_vop_reduction): New.
767         (update_reference_counts): New.
768         (build_mp_info): New.
769         (compute_memory_partitions): Refactor.
770         Document new heuristic.
771         Call build_mp_info, update_reference_counts,
772         find_partition_for and estimate_vop_reduction.
773         (compute_may_aliases): Populate virtual operands before
774         calling debugging dumps.
775         (delete_mem_sym_stats): New.
776         (delete_mem_ref_stats): New.
777         (init_mem_ref_stats): New.
778         (init_alias_info): Call it.
779         (maybe_create_global_var): Remove alias_info argument.
780         Get number of call sites and number of pure/const call sites
781         from gimple_mem_ref_stats().
782         (dump_alias_info): Call dump_memory_partitions first.
783         (dump_points_to_info_for): Show how many times a pointer has
784         been dereferenced.
785         * opts.c (decode_options): For -O2 set --param
786         max-aliased-vops to 500.
787         For -O3 set --param max-aliased-vops to 1000 and --param
788         avg-aliased-vops to 3.
789         * fortran/options.c (gfc_init_options): Remove assignment to
790         MAX_ALIASED_VOPS.
791         * tree-flow-inline.h (gimple_mem_ref_stats): New.
792         * tree-dfa.c (dump_variable): Dump memory reference
793         statistics.
794         Dump NO_ALIAS* settings.
795         (referenced_var_lookup): Tidy.
796         (mem_sym_stats): New.
797         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
798         and ORIG are different SSA names for a memory partition.
799         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
800         * tree-flow.h (struct mem_sym_stats_d): Define.
801         (mem_sym_stats_t): Define.
802         (struct mem_ref_stats_d): Define.
803         (struct gimple_df): Add field mem_ref_stats.
804         (enum noalias_state): Define.
805         (struct var_ann_d): Add bitfield noalias_state.
806         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
807         debug_mem_ref_stats, debug_memory_partitions,
808         debug_mem_sym_stats): Declare.
809         * tree-ssa-structalias.c (update_alias_info): Update call
810         sites, pure/const call sites and asm sites in structure
811         returned by gimple_mem_ref_stats.
812         Remove local variable IS_POTENTIAL_DEREF.
813         Increase NUM_DEREFS if the memory expression is a potential
814         dereference.
815         Call update_mem_sym_stats_from_stmt.
816         If the memory references memory, call
817         update_mem_sym_stats_from_stmt for all the direct memory
818         symbol references found.
819         (intra_create_variable_infos): Set noalias_state field for
820         pointer arguments according to the value of
821         flag_argument_noalias.
822         * tree-ssa-structalias.h (struct alias_info): Remove fields
823         num_calls_found and num_pure_const_calls_found.
824         (update_mem_sym_stats_from_stmt): Declare.
825         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
826         Set default value to 100.
827         (PARAM_AVG_ALIASED_VOPS): Define.
828
829 2007-04-11  Richard Guenther  <rguenther@suse.de>
830
831         PR middle-end/31530
832         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
833         a * -b + c as c - a * b if we honor sign dependent rounding.
834
835 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
836
837         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
838         bfin_expand_strmov.
839         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
840         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
841         variables.
842         (initialize_trampoline): Don't use old-style function definition.
843         (bfin_secondary_reload): Mark IN_P argument as unused.
844
845 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
846
847         PR tree-optimization/31343
848         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
849         (build_polynomial_chrec): Return a scalar when the evolution is zero.
850         * testsuite/gcc.dg/vect/pr31343.c: New.
851
852 2007-04-10  Eric Christopher  <echristo@apple.com>
853
854         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
855         * config/i386/i386.md (*cmpfp0): Use.
856         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
857         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
858         (fix_trunc<mode>_i386_fisttp): Ditto.
859         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
860         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
861         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
862         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
863         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
864         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
865         (unnamed_splitters): Ditto.
866         * config/i386/i386.c (output_fix_trunc): Assert that
867         we're not being passed a TFmode operand.
868
869 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
870
871         PR tree-optimization/31526
872         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
873         n_basic_blocks to find newly added blocks.
874
875 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
876
877         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
878         alternative.
879         (fix_trunc<mode>si_sse): Ditto.
880         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
881         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
882         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
883         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
884         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
885         expander using SSEMODEF mode macro.
886         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
887         expander using SSEMODEF mode macro.
888         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
889         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
890         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
891         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
892         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
893         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
894         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
895         Macroize insn using X87MODEF mode macro.
896
897 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
898
899         * config/i386/sse.md (sse2_pinsrw): Removed.
900         (sse2_pextrw): Renamed to ...
901         (*sse2_pextrw): This.
902
903 2007-04-09  Jan Hubicka  <jh@suse.cz>
904
905         PR target/27869
906         * config/i386/sse.md
907         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
908         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
909         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
910         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
911
912 2007-04-09  Jan Hubicka  <jh@suse.cz>
913
914         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
915         multiple fields of union.
916
917 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
918
919         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
920         (create_preheaders): Check that loops are available.
921         (fix_loop_structure): Clean up, improve comments.
922         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
923         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
924         state flags.
925         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
926         * predict.c (tree_estimate_probability): Do not call
927         calculate_dominance_info.  Call create_preheaders.
928         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
929         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
930         flags.
931         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
932         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
933         * tree-cfg.c (tree_split_edge): Make an assert more precise.
934         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
935         arguments.
936
937 2007-04-08  Jan Hubicka  <jh@suse.cz>
938
939         * tree.h (maybe_fold_offset_to_component_ref): Declare.
940         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
941         * fold-const.c (fold_unary): Use it.
942
943 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
944
945         * varasm.c (assemble_variable): Remove call to
946         lang_hooks.decls.prepare_assemble_variable.
947         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
948         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
949         * langhooks.h (lang_hooks_for_decls): Remove
950         prepare_assemble_variable.
951
952 2007-04-08  Mike Stump  <mrs@apple.com>
953
954         * config/i386/i386.c: Use inc/dec on Core2.
955
956 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
957
958         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
959         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
960         lhd_tree_inlining_end_inlining): Remove.
961         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
962         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
963         end_inlining hooks.
964         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
965         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
966         lhd_tree_inlining_end_inlining): Remove prototypes.
967         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
968         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
969         LANG_HOOKS_TREE_INLINING_START_INLINING,
970         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
971
972         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
973         not set it.
974
975 2007-04-08  Anatoly Sokolov <aesok@post.ru>
976
977         PR target/29932
978         * config/avr/predicates.md (io_address_operand): Delete predicate.
979         (low_io_address_operand): Don't use 'mode' argument.
980         (higth_io_address_operand): Rename ...
981         (high_io_address_operand): ... to this. Don't use 'mode' argument.
982         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
983         for above change.
984
985 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
986
987         Revert change removing staticp.
988
989 2007-04-07  Anatoly Sokolov <aesok@post.ru>
990
991         PR target/30289
992         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
993         earlyclobber.
994
995 2007-04-07  Bruce Korb  <bkorb@gnu.org>
996
997         * c.opt: Add -Wformat-contains-nul.
998         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
999           -Wformat setting.
1000         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1001         the NUL byte warning.
1002
1003 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1004
1005         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1006
1007 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1008
1009         * tree.c (staticp): No longer use staticp langhook.
1010         * langhooks.c (lhd_staticp): Removed.
1011         * langhooks.h (struct lang_hooks): Remove staticp.
1012         * c-common.c (c_staticp): Remove.
1013         * c-common.h (c_staticp): Ditto.
1014         * langhooks-defs.h (lhd_staticp): Ditto.
1015         (LHD_HOOKS_STATICP): Ditto
1016         * tree.h (gcc_assert_lowered): New macro.
1017
1018 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1019
1020         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1021         argument "reliable".
1022         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1023         Add argument "reliable".  Propagate it through calls.
1024         (infer_loop_bounds_from_undefined):  Derive number of iterations
1025         estimates from references in blocks that do not dominate loop latch.
1026         (gcov_type_to_double_int): New function.
1027         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1028         and expected_loop_iterations_unbounded.
1029         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1030         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1031         * tree-data-ref.c (estimated_loop_iterations): Export.
1032         (get_references_in_stmt): Fix -- do not return addresses of local
1033         objects.
1034         * cfgloop.h (expected_loop_iterations_unbounded,
1035         estimated_loop_iterations): Declare.
1036
1037 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1038
1039         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1040
1041 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1044         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1045         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1046         Use output_387_reg_move().
1047         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1048         expander using X87MODEF12 mode macro.
1049         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1050         choosing register preferences.  Use output_387_reg_move().
1051         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1052         instead of "x".  Use output_387_reg_move().
1053         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1054         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1055         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1056         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1057         Use output_387_reg_move().
1058         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1059         mode macro.
1060         (*truncxf?f_i387 splitter): Ditto.
1061
1062 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1063
1064         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1065         LANG_HOOKS_SAFE_FROM_P.
1066         * expr.c (safe_from_p): Remove langhook call.
1067         * langhooks.h (lang_hooks): Remove safe_from_p.
1068         (lhd_safe_from_p): Remove prototype.
1069         * langhooks.c (lhd_safe_from_p): Remove.
1070
1071 2007-04-06  Jan Hubicka  <jh@suse.cz>
1072
1073         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1074         functions.
1075
1076 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1077
1078         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1079         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1080         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1081         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1082         alternative.
1083         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1084         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1085
1086 2007-04-05  Richard Henderson  <rth@redhat.com>
1087
1088         * config/alpha/alpha.c (print_operand) [+]: Remove.
1089         (alpha_end_function): Print nop if call at end of function.
1090         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1091         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1092         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1093         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1094         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1095         the call pattern. Update peepholes to match.
1096
1097 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1098
1099         * doc/extend.texi (Other Builtins): Add decimal float variants
1100         of signbit.
1101         * builtins.def: Ditto.
1102         * builtins.c (expand_builtin): Ditto.
1103
1104 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1105             H.J. Lu  <hongjiu.lu@intel.com>
1106
1107         PR target/31478
1108         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1109         of V8HImode when calling ix86_binary_operator_ok.
1110         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1111         (sdot_prodv8hi): Operands 1 and 2 must be register.
1112
1113 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1114
1115         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1116         initialize align to silence bogus warning.
1117
1118 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1119
1120         PR middle-end/22156
1121         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1122         all_no_warning.
1123         (struct sra_walk_fns): Remove use_all parameter from use.
1124         (sra_hash_tree): Handle BIT_FIELD_REFs.
1125         (sra_elt_hash): Don't hash bitfld blocks.
1126         (sra_elt_eq): Skip them in parent compares as well.  Handle
1127         BIT_FIELD_REFs.
1128         (sra_walk_expr): Don't maintain or pass down use_all_p.
1129         (scan_use): Remove use_all parameter.
1130         (scalarize_use): Likewise.  Re-expand assignment to
1131         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1132         output, and re-scalarize after output.  Don't mark anything
1133         for no warning.
1134         (scalarize_ldst): Adjust.
1135         (scalarize_walk_gimple_modify_statement): Likewise.
1136         (build_element_name_1): Handle BIT_FIELD_REFs.
1137         (instantiate_element): Don't warn for any element whose parent
1138         is used as a whole.
1139         (instantiate_missing_elements_1): Return the sra_elt.
1140         (canon_type_for_field): New.
1141         (try_instantiate_multiple_fields): New.
1142         (instantiate_missing_elemnts): Use them.
1143         (mark_no_warning): Removed.
1144         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1145         (REPLDUP, sra_build_elt_assignment): New.
1146         (generate_copy_inout): Use them.
1147         (generate_element_copy): Likewise.  Handle bitfld differences.
1148         (generate_element_zero): Don't recurse for blocks.  Use
1149         sra_build_elt_assignment.
1150         (generate_one_element_int): Take elt instead of var.  Use
1151         sra_build_elt_assignment.
1152         (generate_element_init_1): Adjust.
1153         (scalarize_use, scalarize_copy): Use REPLDUP.
1154         (scalarize_ldst): Move assert before dereference.
1155         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1156
1157 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1158
1159         * regmove.c: Fix unused variable warnings due to previous commit.
1160
1161 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1162
1163         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1164         (regmove_bb_head): Remove.
1165         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1166         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1167         problems with fixup_match_1.
1168         Don't initialize/free regmove_bb_head.
1169
1170         (reg_is_remote_constant_p): If an insn is in the same basic block
1171         but not before INSN, consider it remote, too.
1172
1173 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1174
1175         PR target/25448
1176         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1177         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1178
1179 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1182         (CONDITIONAL_REGISTER_USAGE): Likewise.
1183
1184 2007-04-04  Richard Henderson  <rth@redhat.com>
1185
1186         * config/alpha/lib1funcs.asm: Remove unused file.
1187
1188 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1189
1190         PR other/31356
1191         * opts.c (print_specific_help): Fix --help=<language>
1192         header line.
1193         (common_handle_option): Support --help=common.
1194
1195 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1196
1197         PR other/31353
1198         * gcc.c (main): Do not run the linker if
1199         print_subprocess_help indicates that it shouldn't be
1200         run.
1201
1202 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1203
1204         PR doc/31355
1205         * doc/invoke.texi (--help=): Document <languages> value, fix
1206         formatting in tables of values.
1207
1208 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1209
1210         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1211         dllimport attribute of virtual methods.
1212
1213 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1214
1215         * config/score/crti.asm: Change _bss_start to __bss_start.
1216         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1217         (OUTGOING_REG_PARM_STACK_SPACE) update.
1218         * config/score/score.opt: add options to make backend support
1219         score5, score5u, score7 and score7d.
1220         * config/score/score.md: Likewise.
1221         * config/score/misc.md: Likewise.
1222         * config/score/mac.md: Likewise.
1223         * doc/invoke.texi: Likewise.
1224         * doc/md.texi: update constraints define.
1225
1226 2007-04-03  Richard Henderson  <rth@redhat.com>
1227
1228         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1229         an appropriate type, use the mode instead.
1230
1231 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1232
1233         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1234         Set the default --with-arch setting to mips2.
1235         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1236         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1237         (MULTILIB_OSDIRNAMES): Delete.
1238         (MULTILIB_DIRNAMES): Define.
1239         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1240         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1241         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1242         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1243         VXWORKS_OS_CPP_BUILTINS.
1244         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1245         (MIPS_DEBUGGING_INFO): Undefine.
1246         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1247
1248 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1249
1250         PR middle-end/30704
1251         * fold-const.c (native_encode_real): Encode real.c provided longs
1252         as a series of 32-bit native integers.
1253         (native_interpret_real): Interpret buffer as a series of 32-bit
1254         native integers.
1255
1256 2007-04-03  Richard Guenther  <rguenther@suse.de>
1257
1258         * genpreds.c (write_insn_constraint_len): Write function
1259         optimized for CONSTRAINT_LEN implementation.
1260         (write_tm_preds_h): Output insn_constraint_len inline and
1261         use it for CONSTRAINT_LEN.
1262         (write_insn_preds_c): Don't output insn_constraint_len.
1263         * doc/md.texi (define_register_constraint): Document multi-letter
1264         constraints shall have the same length if they start with the same
1265         letter.
1266
1267 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1268
1269         PR target/31175
1270         * config/i386/i386.md (isinf<mode>2): Expand only when
1271         TARGET_C99_FUNCTIONS is set.
1272
1273 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1274
1275         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1276         (x86_64-*-linux*): Ditto.
1277         * config/i386/i386.opt (mpc): New option.
1278         * config/i386/i386.c (overrride_options): Handle
1279         ix87_precision_string.
1280         * config/i386/crtprec.c: New file.
1281         * config/i386/t-crtpc: Ditto.
1282         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1283         and -mpc80 options.
1284         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1285         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1286         crtprec32.o, crtprec64.o and crtprec80.o.
1287
1288         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1289         and -mpc80 options.
1290         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1291
1292 2007-04-02  Eric Christopher  <echristo@apple.com>
1293
1294         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1295         limitations on darwin.
1296
1297 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1298
1299         PR target/31137
1300         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1301
1302 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1303
1304         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1305
1306 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1307
1308         * libgcc2.h (exception_descriptor): Don't forward-declare.
1309         (__get_eh_table_language, __get_eh_table_version): Delete
1310         prototypes of long-dead functions.
1311
1312 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1313
1314         * ebitmap.h: New file
1315         * ebitmap.c: New file
1316         * Makefile.in (ebitmap.o): New target.
1317
1318 2007-04-01  Jan Hubicka  <jh@suse.cz>
1319
1320         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1321         before very first instruction.
1322
1323 2007-04-01  Jan Hubicka  <jh@suse.cz>
1324
1325         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1326         waring on 64bit hosts.
1327         * bitmap.h: Fix typo in bitmap_head_def.
1328
1329 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1330
1331         PR rtl-optimization/31391
1332         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1333         into a DELETED_LABEL note, and the label is in an empty basic
1334         block, update BB_END as well as BB_HEAD.
1335
1336 2007-04-01  Richard Henderson  <rth@redhat.com>
1337
1338         PR tree-optimization/31169
1339         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1340         to varying if the range is outside [0,  prec-1].
1341
1342 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1343
1344         PR target/31388
1345         * config/mips/mips.md (load_const_gp): New insn.
1346         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1347         the MIPS16 GP pseudo register if no_new_pseudos.
1348         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1349
1350 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1351
1352         PR target/31364
1353         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1354         secureplt.
1355         (call_value): Likewise.
1356
1357 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1358             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1359
1360         PR 14737
1361         * doc/invoke.texi: (optimization options): Reword description
1362         of -ffast-math. Document its primary purpose.
1363
1364 2007-03-31  Richard Guenther  <rguenther@suse.de>
1365
1366         * omp-low.c (splay-tree.h): Include.
1367         (lookup_decl): Replace splay-tree usage by pointer-map.
1368         (maybe_lookup_decl): Likewise.
1369         (new_omp_context): Likewise.
1370         (delete_omp_context): Likewise.
1371         * gimplify.c (splay-tree.h): Include.
1372         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1373         pointer-map.
1374         (remap_ssa_name): Likewise.
1375         (remap_decl): Likewise.
1376         (remap_type_1): Likewise.
1377         (remap_type): Likewise.
1378         (copy_body_r): Likewise.
1379         (expand_call_inline): Likewise.
1380         (clone_body): Likewise.
1381         (copy_tree_r): Likewise.
1382         (remap_save_expr): Likewise.
1383         (unsave_r): Likewise.
1384         (unsave_expr_now): Likewise.
1385         (tree_function_versioning): Likewise.
1386         (build_duplicate_type): Likewise.
1387         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1388         (struct copy_body_data): Replace splay-tree by pointer-map.
1389         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1390         not $(SPLAY_TREE_H).
1391         (gimplify.o): Depend on $(SPLAY_TREE_H).
1392         (omp-low.p): Likewise.
1393
1394 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1395
1396         * config/avr/predicates.md (even_register_operand,
1397         odd_register_operand): New predicates.
1398         * config/avr/avr.md (movw peephole2): New.
1399         (movw_r peephole2): New.
1400
1401 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1402
1403         * tree.h (get_signed_or_unsigned_type): New.
1404         * fold-const.c (operand_equal_for_comparison_p): Use
1405         get_signed_or_unsigned_type instead of
1406         lang_hooks.types.signed_or_unsigned_type.
1407         * expr.c (store_expr): Ditto.
1408         * langhooks.c (get_signed_or_unsigned_type): New.
1409         (lhd_signed_or_unsigned_type): New.
1410         * langhooks.h (lhd_signed_or_unsigned_type): New.
1411         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1412
1413 2007-03-30  Richard Henderson  <rth@redhat.com>
1414
1415         * tree-ssa-loop-ivopts.c: Include target.h.
1416         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1417         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1418         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1419         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1420
1421 2007-03-30  Richard Henderson  <rth@redhat.com>
1422             Kai Tietz  <kai.tietz@onevision.com>
1423
1424         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1425         default for 64-bit.
1426         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1427         (TARGET_64BIT_MS_ABI): New.
1428         (DBX_REGISTER_NUMBER): Handle 64-bit.
1429         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1430         (LONG_TYPE_SIZE): Force to 32.
1431         (REG_PARM_STACK_SPACE): New.
1432         (OUTGOING_REG_PARM_STACK_SPACE): New.
1433         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1434         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1435         (STACK_BOUNDARY): Use 128 for 64-bit.
1436         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1437         Add 64-bit implementation.
1438         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1439         argument unused.
1440         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1441         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1442         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1443         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1444         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1445         TARGET_64BIT_MS_ABI.
1446         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1447         (ix86_pass_by_reference): Likewise.
1448         (ix86_function_value_regno_p): Likewise.
1449         (ix86_build_builtin_va_list): Likewise.
1450         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1451         (function_arg_advance_ms_64): New.
1452         (function_arg_advance): Call it.
1453         (function_arg_ms_64): New.
1454         (function_arg): Call it.
1455         (function_value_ms_64): New.
1456         (ix86_function_value_1): Call it.
1457         (return_in_memory_ms_64): New.
1458         (ix86_return_in_memory): Call it.
1459         (setup_incoming_varargs_ms_64): New.
1460         (ix86_setup_incoming_varargs): Call it.
1461         (ix86_expand_prologue): Handle 64-bit stack probing.
1462         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1463         (output_pic_addr_const): Likewise.
1464         (x86_this_parameter): Likewise.
1465         (x86_output_mi_thunk): Likewise.
1466         (x86_function_profiler): Likewise.
1467         (TARGET_STRICT_ARGUMENT_NAMING): New.
1468         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1469         (TARGET_64BIT_MS_ABI): New.
1470         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1471         * config/i386/i386.md (allocate_stack_worker): Remove.
1472         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1473         describe the clobber of eax without a match_scratch.
1474         (allocate_stack_worker_postreload): Remove.
1475         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1476         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1477         (allocate_stack_worker_rex64_postreload): Remove.
1478         (allocate_stack): Handle 64-bit.
1479         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1480         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1481         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1482         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1483         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1484         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1485         * config.build (x86_64-*-mingw*): New host.
1486         * config.host (x86_64-*-mingw*): New host.
1487         * config.gcc (x86_64-*-mingw*): New target.
1488         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1489
1490 2007-03-30  Richard Henderson  <rth@redhat.com>
1491             Kai Tietz  <kai.tietz@onevision.com>
1492
1493         * c-pragma.c (struct def_pragma_macro_value): New.
1494         (struct def_pragma_macro): New.
1495         (pushed_macro_table): New.
1496         (dpm_hash, dpm_eq): New.
1497         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1498         (init_pragma): Install them.
1499         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1500
1501 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1502
1503         * config/avr/avr.c (avr_override_options): Clear
1504         'flag_delete_null_pointer_checks'.
1505
1506 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1507
1508         PR c++/26099
1509         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1510         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1511         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1512         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1513         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1514         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1515         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1516         C++ extensions.
1517         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1518
1519 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1520
1521         * regmove.c: Move all of pass_stack_adjustments from here...
1522         * combine-stack-adj.c: ...to this new file.
1523         * Makefile.in: Add rules for combine-stack-adj.o.
1524
1525 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1526
1527         PR tree-optimization/31383
1528         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1529         to have the same length.
1530
1531 2007-03-30  Jan Hubicka  <jh@suse.cz>
1532
1533         PR middle-end/30700
1534         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1535         availablility; add more sanity checking; ask varpool only about
1536         VAR_DECL.
1537
1538 2007-03-29  Richard Henderson  <rth@redhat.com>
1539
1540         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1541         to decide, but __SIZEOF_LONG_LONG__.
1542
1543 2007-03-29  Richard Henderson  <rth@redhat.com>
1544
1545         * emutls.c (struct __emutls_array): New.
1546         (emutls_destroy): Use it instead of casting element 0 from void*.
1547         (__emutls_get_address): Likewise.
1548
1549 2007-03-29  Richard Henderson  <rth@redhat.com>
1550
1551         * varasm.c (initializer_constant_valid_p): Don't deny
1552         DECL_DLLIMPORT_P on functions.
1553
1554         * config/i386/cygming.h: Remove function declarations.
1555         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1556         (ASM_OUTPUT_LABELREF): Remove.
1557         (COMMON_ASM_OP): Remove.
1558         (ASM_OUTPUT_COMMON): Remove.
1559         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1560         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1561         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1562         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1563         Rename from TARGET_ENCODE_SECTION_INFO.
1564         * config/i386/netware.h: Likewise.
1565         * config/i386/i386-protos.h: Update.
1566         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1567         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1568         (legitimate_constant_p): Reject dllimports.
1569         (dllimport_map, get_dllimport_decl): New.
1570         (legitimize_dllimport_symbol): New.
1571         (legitimize_address, ix86_expand_move): Use it.
1572         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1573         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1574         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1575         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1576         * config/i386/predicates.md (constant_call_address_operand): Only
1577         accept symbols; reject dllimport_p symbols.
1578         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1579         i386_pe_maybe_record_exported_symbol.
1580         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1581         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1582         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1583         trust the setting of DECL_DLLIMPORT_P.
1584         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1585         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1586         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1587         tidy the argument scanning loop.
1588         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1589         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1590         (i386_pe_strip_name_encoding): Remove.
1591         (i386_pe_binds_local_p): New.
1592         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1593         (i386_pe_output_labelref): Remove.
1594         (i386_pe_asm_output_aligned_decl_common): New.
1595         (i386_pe_maybe_record_exported_symbol): Rename from
1596         i386_pe_record_exported_symbol; check for dllexported symbols.
1597
1598 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1599
1600         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1601         add comment explaining why vsnprintf cannot be used.
1602
1603 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1604
1605         PR tree-optimization/30666
1606         * tree.c (build_complex_type): When creating type names for DWARF2
1607         debug info, create TYPE_DECLs for TYPE_NAME instead of
1608         IDENTIFIER_NODEs.
1609         (build_common_tree_nodes_2): Use build_complex_type when building
1610         predefined complex types, to preserve canonical types.
1611
1612 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1613
1614         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1615         (noce_get_alt_condition): Look at it to determine whether to
1616         reverse the condition or not.
1617         (noce_get_condition): Substitute the truth for lies.
1618         (noce_find_if_block): Set the then_else_reversed field.
1619
1620 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1621
1622         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1623         destination of this insn.
1624         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1625         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1626         'address + 4' rather than a stack based temporary which can be
1627         mis-optimized away.
1628
1629 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1630
1631         * config/s390/s390.c (s390_secondary_input_reload_class,
1632         s390_secondary_output_reload_class): Functions removed.
1633         (s390_secondary_reload): New function.
1634         (TARGET_SECONDARY_RELOAD): Target macro defined.
1635         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1636         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1637         * config/s390/s390.md ("reload_outti", "reload_outdi",
1638         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1639         "reload_out<mode>"): Expanders removed.
1640         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1641         "reload<mode>_nonoffmem_out"): Expanders added.
1642
1643 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1644
1645         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1646         SRC->DEST replacement failed anyway.
1647
1648 2007-03-28  Mike Stump  <mrs@apple.com>
1649
1650         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1651         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1652         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1653
1654 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1655
1656         * config.gcc: Accept barcelona as a variant of amdfam10.
1657         * config/i386/i386.c (override_options): Likewise.
1658         * doc/invoke.texi: Likewise.
1659
1660 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1661
1662         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1663         offsets for BIT_FIELD_REF and COMPONENT_REF.
1664
1665 2007-03-28  Richard Guenther  <rguenther@suse.de>
1666
1667         * tree.c (is_global_var): Move ...
1668         * tree-flow-inline.h (is_global_var): ... here.
1669         * tree.h (is_global_var): Remove declaration.
1670
1671 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1672
1673         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1674         option.
1675         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1676         * config/i386/i386.c (ix86_tune_features): Initialize new
1677         tuning option.
1678         * config/i386/predicates.md (promotable_binary_operator): Use
1679         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1680
1681 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1682
1683         PR target/31380
1684         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1685
1686 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1687
1688         * config/fr30/fr30.md (movsi_internal): Change destination
1689         constraint from m to V and add m to the end.
1690
1691 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1692
1693         * config/sh/sh.md (movsi_i): Fix type attribute.
1694
1695 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1696
1697         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1698         (movsf_ie): Likewise.
1699
1700 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1701
1702         * config.gcc: Add sh4-300 to multilib.
1703         * config/sh/t-mlib-sh4-300: New file.
1704
1705 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1706
1707         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1708         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1709         fix_trunc<mode>di2.
1710         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1711         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1712         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1713         "fixuns_trunctddi2"): Whitespace fix.
1714
1715 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1716
1717         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1718         the definition of struct sh_args.
1719         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1720         CALL_COOKIE_INT_REG_GET): Likewise.
1721
1722 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1723
1724         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1725         transformations are applied successfully.
1726
1727 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1728
1729         * tree.c (tree_contains_struct): Permit 512 tree codes.
1730         * tree.h (tree_contains_struct): Ditto.
1731         (MAX_TREE_CODES): Ditto.
1732         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1733         SPARE member to store remaining padding bits.
1734
1735 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1736
1737         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1738         architecture.
1739
1740 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1741
1742         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1743         * configure: Regenerate.
1744
1745         * configure: Regenerate using the correct version of autoconf.
1746
1747 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1748
1749         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1750         pointer regs.
1751         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1752         regs to "__SP_L__" and "__SP_H__".
1753
1754 2007-03-27  Richard Guenther  <rguenther@suse.de>
1755
1756         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1757         computations with it with a HOST_WIDE_INT variable.
1758
1759 2007-03-26  Mike Stump  <mrs@apple.com>
1760
1761         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1762         objective-c-header, objective-c++-header and objc++-cpp-output
1763         support.
1764         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1765
1766 2007-03-26  Richard Henderson  <rth@redhat.com>
1767
1768         PR target/31361
1769         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1770         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1771         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1772         IX86_BUILTIN_PSRLQ128): New.
1773         (ix86_init_mmx_sse_builtins): Add them.
1774         (ix86_expand_builtin): Expand them.
1775         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1776         operand 2 be TImode.
1777         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1778         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1779         _mm_srli_epi64): Mark __B const.
1780         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1781         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1782         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1783         new two-vector shift builtins.
1784
1785 2007-03-26  Ian Lance Taylor  <iant@google.com>
1786
1787         PR tree-optimization/31345
1788         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1789         [+INF, +INF(OVF)] into VARYING.
1790
1791 2007-03-26  Zack Weinberg  <zackw@panix.com>
1792
1793         * gengtype-parse.c: New file.
1794         * gengtype-yacc.y: Delete.
1795         * gengtype-lex.l: Don't include gengtype-yacc.h.
1796         Define YY_DECL and yyterminate appropriately for recursive
1797         descent parser.  yylval is now a string out-parameter to yylex.
1798         (HWS, EOID): New shorthand.
1799         (IWORD): Add a couple more types.
1800         (yylex): Add a setup stanza.  Remove the complex rules for
1801         detecting GTY'ed types and typedefs; replace with simple
1802         keyword detectors.  Adjust everything for the changed
1803         definition of yylval.  Ignore all pp-directives, not just #define.
1804         (yyerror): Delete.
1805         (parse_file): Rename yybegin; do not call yyparse.
1806         (yyend): New.
1807         * gengtype.c (xasprintf): Export again.
1808         (this_file): New.  Use everywhere __FILE__ was being used.
1809         (get_lang_bitmap): Special case types defined in gengtype.c.
1810         (do_typedef, new_structure): Suppress definition of certain types.
1811         (new_structure): Improve diagnostics of duplicate definitions.
1812         Make sure location_s is associated with input.h.
1813         (nreverse_pairs, define_location_structures): New functions.
1814         (main): Improve tagging of kludge types.  Remove old kludges
1815         for input.h types; use define_location_structures.
1816         * gengtype.h: Update prototypes.  Define token codes here.
1817         * Makefile.in: Remove all references to gengtype-yacc.
1818         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1819         and gengtype.
1820         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1821         add GTY((skip)) to the field that's only conditionally there.
1822         * doc/install.texi: Document that Bison is no longer required
1823         unless building treelang.
1824
1825         * gengtype.c: Don't include gtyp-gen.h.
1826         (srcdir): Declare here.
1827         (base_files, lang_dir_names): Allocate dynamically.
1828         (gt_files, num_gt_files, num_lang_dirs): New globals.
1829         (measure_input_list, read_input_line, read_input_list)
1830         (set_lang_bitmap): New functions.
1831         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1832         simplify, relying on read_input_list to set up the bitmaps.
1833         (main): Arguments are no longer unused.  Check for correct number
1834         of command line arguments, set srcdir and srcdir_len, then call
1835         read_input_list, before doing anything else.  No need to worry
1836         about duplicates in main loop.
1837         * configure.ac: Simplify the calculation of all_gtfiles.
1838         Put language tags in there.  Don't set or substitute
1839         all_gtfiles_files_langs or all_gtfiles_files_frags.
1840         * Makefile.in: Revamp the way gengtype is invoked, now that it
1841         takes a file on its command line with a much simpler format.
1842         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1843         (GTFILES): Remove duplicates and C source files.
1844         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1845         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1846         * configure: Regenerate.
1847
1848         * gengtype.h: Remove all type definitions to gengtype.c; leave
1849         only definitions of options_p, type_p, and pair_p as opaque
1850         pointers.  Update prototypes.
1851         * gengtype.c: Many type definitions moved here from gengtype.h.
1852         Consolidate type definitions at the top of the file.
1853         (xvasprintf): Delete.
1854         (xasprintf): Make static.
1855         (create_nested_pointer_option): Add 'next' parameter.
1856         (create_field_all, create_field_at): New functions.
1857         (create_field): Now a thin wrapper around create_field_all.
1858         (create_optional_field): Rename create_optional_field_ and add
1859         line argument.  Original name is now a macro which supplies
1860         __LINE__.
1861         (oprintf): Use vsnprintf directly.
1862         (close_output_files): Use fatal rather than perror/exit.
1863         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1864         (main): Set progname.  Don't use exit.
1865         * gengtype-yacc.y (struct_fields): Use create_field_at.
1866         (option, optionseqopt): Delete.
1867         (optionseq): Consolidate productions from option here so we
1868         can use the first argument to create_option.
1869
1870         * gengtype-lex.l: Distinguish unions from structures in the
1871         token type.  Don't call find_structure; return the tag as a string.
1872         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1873         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1874         Reorganize typedef_struct production accordingly.
1875         Use create_nested_ptr_option.
1876         * gengtype.c (create_nested_ptr_option): New function.
1877         * gengtype.h: Declare it.
1878
1879         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1880         (string_type): Don't declare.
1881         (do_scalar_typedef): Declare.
1882         (create_scalar_type): Update prototype.
1883         * gengtype.c (string_type): Make static.
1884         (scalar_nonchar, scalar_char): New.
1885         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1886         (resolve_typedef): Use scalar_nonchar for error recovery.
1887         (create_scalar_type): Remove name_len field.  Return scalar_char
1888         or scalar_nonchar as appropriate.
1889         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1890         to use string_type.
1891         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1892         whenever possible.
1893         (main): Initialize scalar_char and scalar_nonchar before calling
1894         gen_rtx_next.
1895         * gengtype-lex.l: Adjust for removal of second argument to
1896         create_scalar_type.  Use yylval.s instead of yylval.t when
1897         returning SCALAR.
1898         * gengtype-yacc.y: Type of SCALAR is string.  Call
1899         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1900         second argument to create_scalar_type.
1901
1902         * vec.h: Remove all #if IN_GENGTYPE blocks.
1903         Add comment saying that changes may require adjustments to gengtype.
1904         * gengtype.c: Don't include coretypes.h or tm.h.
1905         Add comment to inclusion of errors.h.
1906         (note_def_vec, note_def_vec_alloc): New functions.
1907         * gengtype.h: Declare new functions.
1908         * gengtype-lex.l: Don't include coretypes.h.
1909         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1910         Delete.
1911         (update_lineno): Remove unnecessary prototype.
1912         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1913         (VEC rule): Just return VEC_TOKEN.
1914         * gengtype-yacc.y (VEC_TOKEN): New token type.
1915         (type): Add a production for VEC(a,b).
1916         * Makefile.in: Update dependencies.
1917
1918         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1919         typedefs that use the old PARAMS macro.
1920
1921         * gengtype-lex.l: Remove all rules and states relating to yacc
1922         input files.
1923         * gengtype-yacc.y: Similarly.
1924         * gengtype.c (note_yacc_type): Delete function.
1925         * gengtype.h: Update prototypes.
1926
1927 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1928
1929         * tree-pretty-print.c (dump_generic_node): Report precision of
1930         unnamed integer types.
1931
1932 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1933
1934         * ifcvt.c (noce_try_store_flag_constants): Don't check
1935         no_new_pseudos here.
1936         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1937         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1938         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1939         noce_try_sign_mask): Likewise.
1940         (if_convert): Check no_new_pseudos here.
1941
1942         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1943         Remove prototypes.
1944         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1945         (noce_get_condition): Handle new then_else_reversed argument.
1946         (noce_init_if_info): Remove, fold into noce_find_if_block.
1947         (noce_process_if_block): Take a struct noce_if_info as the
1948         argument.  Don't set up one based on ce_if_info.  Update pointer
1949         references accordingly.
1950         (cond_move_process_if_block): Likewise.
1951         (process_if_block): Removed.
1952         (find_if_block): Removed.  Move functionality two new functions,
1953         noce_find_if_block and cond_exec_find_if_block.
1954         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1955         blocks and the symmetric IF-ELSE-JOIN case.
1956         (cond_exec_find_if_block): Also new function mostly based on old
1957         find_if_block and process_if_block.
1958         (find_if_header): Replace find_if_block call with separately
1959         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1960         (find_cond_trap): Update noce_get_condition call.
1961         (dead_or_predicable): Likewise.
1962
1963 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1964
1965         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1966         Remove.
1967         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1968         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1969         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1970         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1971         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1972         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1973         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1974         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1975         __builtin_ia32_psrad128 builtins.
1976
1977 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1978
1979         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1980         * config/i386/constraints.md
1981         (define_constraint "I"): Use IN_RANGE macro.
1982         (define_constraint "J"): Ditto.
1983         (define_constraint "K"): Ditto.
1984         (define_constraint "M"): Ditto.
1985         (define_constraint "N"): Ditto.
1986         (define_constraint "O"): Ditto.
1987         * config/i386/predicates.md
1988         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1989         (define_predicate "const_0_to_3_operand"): Ditto.
1990         (define_predicate "const_0_to_7_operand"): Ditto.
1991         (define_predicate "const_0_to_15_operand"): Ditto.
1992         (define_predicate "const_0_to_63_operand"): Ditto.
1993         (define_predicate "const_0_to_255_operand"): Ditto.
1994         (define_predicate "const_1_to_31_operand"): Ditto.
1995         (define_predicate "const_2_to_3_operand"): Ditto.
1996         (define_predicate "const_4_to_7_operand"): Ditto.
1997
1998 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1999
2000         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2001         in SImode for save_world.
2002         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2003         LR hard reg.
2004
2005 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2006
2007         PR tree-optimization/30784
2008         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2009         BIT_FIELD_REF.
2010
2011 2007-03-25  Revital Eres  <eres@il.ibm.com>
2012
2013         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2014           Fold movement_possibility function into it.
2015
2016 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2017
2018         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2019         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2020         (call_indirect_nonlocal_darwin64): Same.
2021         (call_nonlocal_darwin64): Same.
2022         (call_value_indirect_nonlocal_darwin64): Same.
2023         (call_value_nonlocal_darwin64): Same.
2024         (sibcall_nonlocal_darwin64): Same.
2025         (sibcall_value_nonlocal_darwin64): Same.
2026         (sibcall_symbolic_64): Same.
2027         (sibcall_value_symbolic_64): Same.
2028         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2029         LR pseudo.
2030         (rs6000_emit_load_toc_table): Same.
2031         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2032         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2033         (mull_call): Same.
2034         (divss_call): Same.
2035         (divus_call): Same.
2036         (quoss_call): Same.
2037         (quous_call): Same.
2038         (load_toc_v4_pic_si): Same
2039         (load_toc_v4_PIC_1): Same.
2040         (load_toc_v4_PIC_1b): Same.
2041         (call_indirect_aix{32,64}): Same.
2042         (call_value_indirect_aix{32,64}): Same.
2043         (call): Same.
2044         (call_value): Same.
2045         (call_local{32,64}): Same.
2046         (call_value_local{32,64}): Same.
2047         (call_indirect_nonlocal_aix{32,64}): Same.
2048         (call_nonlocal_aix{32,64}): Same.
2049         (call_value_indirect_nonlocal_aix{32,64}): Same.
2050         (call_value_nonlocal_aix{32,64}): Same.
2051         (call_indirect_nonlocal_sysv<mode>): Same.
2052         (call_nonlocal_sysv<mode>): Same.
2053         (call_value_indirect_nonlocal_sysv<mode>): Same.
2054         (call_value_nonlocal_sysv<mode>): Same.
2055         (sibcall): Same.
2056         (sibcall_local{32,64}): Same.
2057         (sibcall_value_local{32,64}): Same.
2058         (sibcall_nonlocal_aix{32,64}): Same.
2059         (sibcall_value_nonlocal_aix{32,64}): Same.
2060         (sibcall_nonlocal_sysv<mode>): Same.
2061         (sibcall_value): Same.
2062         (sibcall_value_nonlocal_sysv<mode>): Same.
2063
2064 2007-03-24  Paul Brook  <paul@codesourcery.com>
2065
2066         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2067         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2068
2069 2007-03-24  Richard Henderson  <rth@redhat.com>
2070
2071         * config/ia64/constraints.md: New file.
2072         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2073         satisfies_constraint_?.
2074         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2075         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2076         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2077         ia64_output_mi_thunk): Likewise.
2078         (ia64_const_ok_for_letter_p): Remove.
2079         (ia64_const_double_ok_for_letter_p): Remove.
2080         (ia64_extra_constraint): Remove.
2081         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2082         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2083         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2084         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2085         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2086         EXTRA_MEMORY_CONSTRAINT): Remove.
2087         * config/ia64/ia64.md: Include constriants.md.  Replace
2088         CONST_OK_FOR_? with satisfies_constraint_?.
2089
2090 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2091             H.J. Lu  <hongjiu.lu@intel.com>
2092
2093         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2094         DPD or BID name.
2095         (name macros): Use DPD_BID_NAME to convert names properly.
2096
2097         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2098         decimal floating point format.
2099         (init_floating_libfuncs): Change decimal functions so that they
2100         have a "bid_" prefix if the decimal system uses the BID format,
2101         and "dpd_" prefix if the decimal system uses the DPD format.
2102         (init_interclass_conv_libfuncs): Ditto.
2103         (init_intraclass_conv_libfuncs): Ditto.
2104
2105         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2106         using the BID format.
2107
2108         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2109         whether we are using the BID decimal format.
2110         * configure: Regenerate.
2111
2112         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2113         the compiler has decimal floating point enabled.  Define
2114         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2115         instead of DPD.
2116
2117         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2118         using the BID format.
2119
2120         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2121         whether we are using the BID decimal format.
2122         * configure: Regenerate.
2123
2124         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2125         the compiler has decimal floating point enabled.  Define
2126         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2127         instead of DPD.
2128
2129         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2130         options, and that it is enabled for i386/x86_64 systems.
2131
2132         * Makefile.in (enable_decimal_float): New.
2133         (DECNUMFMT): New.
2134         (DECNUMINC): Add  -I$(DECNUMFMT).
2135         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2136         to $(DECNUMFMT) from $(DECNUM).
2137
2138         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2139         Substitute enable_decimal_float.
2140         * configure: Regenerated.
2141
2142         PR other/30529
2143         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2144         unsigned long.
2145
2146         * configure.ac: Enable decimal float for x86_64-*-linux*.
2147         * configure: Regenerated.
2148
2149         PR other/30530
2150         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2151         decimal128ClearSign to flip and clear the sign bit in decimal128.
2152         (decimal_real_maxval): Set decimal128SetSign to set the sign
2153         bit in decimal128.
2154
2155 2007-03-23  Ian Lance Taylor  <iant@google.com>
2156
2157         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2158
2159 2007-03-23  Ian Lance Taylor  <iant@google.com>
2160
2161         * tree-dump.c (dump_files): Correct comment.
2162
2163 2007-03-23  Ian Lance Taylor  <iant@google.com>
2164
2165         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2166
2167 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2168
2169         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2170         in cfglayout mode.  Don't go into and out of cfglayout mode.
2171         Link the blocks in the order of the constructed traces.
2172         (rest_of_handle_tracer): Adjust call to tracer.
2173         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2174         Don't go into cfglayout mode.
2175         (rtl_loop_done): Don't go out of cfglayout mode.
2176         * cfglayout.c (relink_block_chain): New function, split out from...
2177         (fixup_reorder_chain): ...here.  Remove redundant checking.
2178         (cfg_layout_finalize): Don't clear the header, footer, and aux
2179         fields here, move the code to do so to relink_block_chain.  Likewise
2180         for free_original_copy_tables.
2181         * rtl.h (tracer): Update prototype.
2182         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2183         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2184         mode.  Use relink_block_chain to serialize the CFG according to the
2185         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2186         here...
2187         (gate_handle_reorder_blocks): ...to here.
2188         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2189         from here...
2190         (gate_duplicate_computed_gotos): ...to here.
2191         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2192         something always changes when going into and out of cfglayout mode.
2193         Perform an expensive cfg cleanup while going into cfglayout mode.
2194         Always update liveness information on HAVE_conditional_execution
2195         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2196         * reg-stack.c: Include cfglayout.h.
2197         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2198         the call to reorder_basic_blocks.
2199         * basic-block.h (reorder_basic_blocks): Update prototype.
2200         (relink_block_chain): New prototype.
2201         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2202
2203 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2204
2205         * config/mips/mips.md (type, hazard, *movdi_32bit,
2206         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2207         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2208         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2209         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2210         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2211         applicable.
2212         (movcc): Change first xfer to multi.
2213         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2214         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2215         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2216         config/mips/generic.md: Change reservations using "xfer" to use
2217         "mfc,mtc".
2218         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2219         using match_operand.
2220         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2221         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2222         examining mode.
2223         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2224
2225 2007-03-22  Richard Henderson  <rth@redhat.com>
2226
2227         * config/i386/i386.c: Remove unnecessary function declarations.
2228         Move targetm definition, and all related macros, to the end of
2229         the file.  Resort some functions to put definitions before uses.
2230         (ix86_attribute_table): Make static.  Move to end of file.
2231         (ix86_gimplify_va_arg): Make static.
2232
2233 2007-03-22  Richard Henderson  <rth@redhat.com>
2234
2235         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2236         don't increase local_regparm with force_align_arg_pointer check.
2237         (ix86_function_sseregparm): Assert 32-bit.
2238         (type_has_variadic_args_p): New.
2239         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2240         type_has_variadic_args_p.
2241         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2242         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2243         use memset instead.  Do maybe_vaarg check first; skip attribute
2244         tests if true; skip attribute tests for 64-bit.
2245         (construct_container): Remove TARGET_DEBUG_ARG.
2246         (function_arg_advance_32, function_arg_advance_64): Split out ...
2247         (function_arg_advance): ... from here.
2248         (function_arg_32, function_arg_64): Split out ...
2249         (function_arg): ... from here.
2250         (ix86_pass_by_reference): Tidy.
2251         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2252         (function_value_32): New, from parts of ix86_function_value
2253         and ix86_value_regno.
2254         (function_value_64): New, from parts of ix86_function_value
2255         and ix86_libcall_value.
2256         (ix86_function_value_1): New.
2257         (ix86_function_value, ix86_libcall_value): Use it.
2258         (return_in_memory_32, return_in_memory_64): Split out ...
2259         (ix86_return_in_memory): ... from here.
2260         (ix86_struct_value_rtx): Skip for 64-bit.
2261         (ix86_libcall_value, ix86_value_regno): Remove.
2262         (setup_incoming_varargs_64): Split out ...
2263         (ix86_setup_incoming_varargs): ... from here.
2264         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2265         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2266         * config/i386/i386-protos.h (ix86_function_value): Remove.
2267         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2268
2269 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2270
2271         PR other/23572
2272         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2273         infinities not supported, otherwise emit warning if -Woverflow. On
2274         underflow, emit warning if -Woverflow.
2275         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2276         and 0 otherwise.
2277         * real.h (real_from_string): Update declaration
2278
2279 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2280             Richard Henderson  <rth@redhat.com>
2281
2282         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2283         * calls.c (compute_argument_block_size, expand_call,
2284         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2285         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2286         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2287         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2288         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2289         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2290         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2291         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2292         Set to 1.
2293
2294 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2295
2296         * c-incpath.c (add_sysroot_to_chain): New.
2297         (merge_include_chains): Add sysroot argument.  Call
2298         add_sysroot_to_chain if sysrooted.
2299         (register_include_chains): Update call to merge_include_chains.
2300         * doc/cppopts.texi: Document use of '=' in include directory
2301         arguments.
2302
2303 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2304
2305         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2306         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2307         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2308         insn pattern using X87MODEF12 mode macro.
2309
2310 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2311
2312         * regmove.c (regmove_optimize): Use reg_mentioned_p
2313         instead of reg_overlap_mentioned_p for DST.
2314
2315 2007-03-21  Mike Stump  <mrs@apple.com>
2316
2317         * c.opt: Fixup for Objective-C/C++.
2318
2319 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2320
2321         * explow.c (convert_memory_address): Fold memory reference when
2322         POINTERS_EXTEND_UNSIGNED < 0
2323
2324 2007-03-21  Richard Henderson  <rth@redhat.com>
2325
2326         PR target/31245
2327         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2328         * config/i386/mmintrin.h (__m64): Likewise.
2329         * config/i386/xmmintrin.h (__m128): Likewise.
2330
2331 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2332
2333         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2334         (VXWORKS_OS_CPP_BUILTINS): Define.
2335         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2336         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2337
2338 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2339
2340         * rtl.h (constant_pool_reference_p): Delete.
2341         (find_constant_src): Declare.
2342         * rtlanal.c (find_constant_src): New function.
2343         * simplify-rtx.c (constant_pool_reference_p): Delete.
2344         * config/i386/i386.md: Use find_constant_src instead of
2345         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2346
2347 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2348
2349         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2350         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2351
2352 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2353
2354         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2355         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2356         (arm_elf_asm_constructor): Use it.
2357         (arm_elf_asm_destructor): New function.
2358
2359 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2360
2361         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2362
2363 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2364
2365         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2366
2367 2007-03-19  Andrew Haley  <aph@redhat.com>
2368
2369         PR tree-optimization/31264
2370         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2371         VIEW_CONVERT_EXPRs.
2372
2373 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2374
2375         PR rtl-optimization/30907
2376         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2377         (fwprop_init): Always call loop_optimizer_initialize.
2378         (fwprop_done): Always call loop_optimizer_finalize.
2379         (fwprop): We always have loop info now.
2380         (gate_fwprop_addr): Remove.
2381         (pass_fwprop_addr): Use gate_fwprop as gate.
2382
2383         PR rtl-optimization/30841
2384         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2385         df_chain_alloc): Call df_reorganize_refs unconditionally.
2386         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2387         refs_organized to refs_organized_size.
2388         (df_ref_create_structure): Use refs_organized_size instead of
2389         bitmap_size if refs had been organized, and keep refs_organized_size
2390         up-to-date.
2391         * df.h (struct df_ref_info): Change refs_organized to
2392         refs_organized_size.
2393         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2394         bitmap_size.
2395
2396 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2397
2398         * except.c (output_function_exception_table): Do not reference the
2399         EH personality routine for functions that do not require an
2400         exception table.
2401
2402 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2403
2404         PR c/30762
2405         * c-typeck.c (convert_for_assignment): Call comptypes for
2406         RECORD_TYPE or UNION_TYPE.
2407
2408         PR inline-asm/30505
2409         * reload1.c (reload): Do invalid ASM checking after
2410         cleanup_subreg_operands.
2411
2412 2007-03-19  Jeff Law  <law@redhat.com>
2413
2414         * tree-cfg.c (find_taken_edge): Tighten conditions for
2415         optimizing computed gotos.
2416
2417 2007-03-19  Michael Matz  <matz@suse.de>
2418
2419         * builtins.c (expand_builtin_sync_operation,
2420         expand_builtin_compare_and_swap,
2421         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2422         correctly.
2423
2424         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2425         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2426         for operand 3.
2427
2428 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2429
2430         * doc/tm.texi: Add brackets around the return type of
2431         TARGET_SECONDARY_RELOAD.
2432
2433 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2434         Richard Guenther  <rguenther@suse.de>
2435
2436         PR tree-optimization/31254
2437         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2438         Use handled_component_p () where appropriate.  Continue
2439         propagating into the rhs if we propagated into an INDIRECT_REF
2440         on the lhs.
2441
2442 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2443
2444         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2445         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2446         (xde, xdee): Mode attributes adjusted to support DFP modes.
2447         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2448         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2449         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2450         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2451         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2452         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2453         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2454         numbers.
2455         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2456         "movsf"): Insn definitions removed.
2457         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2458         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2459         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2460         definitions added.
2461         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2462         "reload_in<mode>", "reload_out<mode>"): Expander added.
2463         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2464         Expander removed.
2465
2466 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2467
2468         * config/s390/s390.md: Only non-functional changes.  Renamed
2469         FPR mode macro to BFP all over the file.
2470
2471 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2472
2473         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2474         (op_type attribute): RRF instruction type added.
2475         (fT0): New mode attribute.
2476         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2477         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2478         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2479         no secondary memory is needed when moving DFmode values between GPRs
2480         and FPRs.
2481
2482 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2483
2484         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2485         inverted and documentation adjusted.
2486         ("mhard-dfp", "msoft-dfp"): New options.
2487         * config/s390/s390.c (s390_handle_arch_option): New architecture
2488         switch: z9-ec.
2489         (override_options): Sanity checks for the new options added.
2490         * config.gcc: New architecture switch: z9-ec.
2491         * config/s390/s390.h (processor_flags): PF_DFP added.
2492         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2493         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2494         when the bit is NOT set so remove it from the defaults.
2495
2496 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2497
2498         * genemit.c (main): Print include statement for dfp.h.
2499         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2500         is not available.
2501
2502 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2503
2504         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2505
2506 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2507
2508         PR target/31022
2509         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2510         instead of PATTERN.
2511
2512 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2513
2514         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2515         attr_length_call, output_call, output_indirect_call): Cleanup
2516         formatting of targetm calls.
2517
2518 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2519
2520         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2521
2522 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2523
2524         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2525         reservation, bypass and anti-bypass descriptions for these instructions.
2526         Update move patterns.
2527         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2528         TYPE_FPSTORE.
2529
2530 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2531
2532         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2533         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2534         (get_initial_def_for_reduction): Likewise.
2535
2536 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2537
2538         Fix PR tree-optimization/29922
2539         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2540         (get_representative): Removed.
2541         (value_dies_in_block_x): Update for rvuse removal.
2542         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2543         (compute_antic_aux): Handle when PHI nodes appear in
2544         non-single-successors.
2545         (dump_bitmap_of_names): Removed.
2546         (compute_antic_safe): Renamed and removed rvuse calculation.
2547         Calculate only antic safe.
2548         (insert_into_preds_of_block): Remove assert.
2549         (execute_pre): Update for renamed functions.
2550         (defer_or_phi_translate_block): New function.
2551
2552 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2553
2554         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2555         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2556         typos.
2557         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2558         Follow spelling conventions.
2559
2560         * tree-data-ref.h: Remove the prototype for analyze_array.
2561
2562 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2563
2564         PR tree-optimization/31041
2565         * tree-vect-transform.c (get_initial_def_for_induction): Call
2566         force_gimple_operand.
2567
2568 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2569
2570         * ipa-type-escape.c (look_for_casts) : Revert code to use
2571         handled_component_p due to ada test a-numaux.adb.
2572
2573 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2574
2575         * final.c (final_scan_insn): Alter the condition of a
2576         conditional trap if we have nonstandard CC.
2577
2578 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2579
2580         * configure.ac: Remove excess quoting from asm line 0 test.
2581         * configure: Rebuilt.
2582
2583 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2584
2585         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2586         * c-common.c (convert_and_check): Move warning logic to...
2587         (warnings_for_convert_and_check): ...here. Define.
2588         * c-common.h (warnings_for_convert_and_check): Declare.
2589
2590 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2591
2592         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2593         (output_call): Likewise.
2594
2595 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2596
2597         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2598
2599 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2600
2601         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2602
2603 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2604
2605         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2606         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2607
2608 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2609
2610         PR tree-optimization/31183
2611         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2612         Use double_int instead of unsigned int for representing access_strides.
2613         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2614
2615 2007-03-16  Richard Guenther  <rguenther@suse.de>
2616
2617         PR tree-optimization/31146
2618         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2619         to allow recursion of forward_propagate_addr_expr.
2620         (forward_propagate_addr_into_variable_array_index): Likewise.
2621         (forward_propagate_addr_expr): Likewise.
2622         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2623         (forward_propagate_addr_expr_1): Recurse on simple copies
2624         instead of propagating into them.  Do so for useless conversions
2625         as well.
2626         (forward_propagate_addr_expr): Clean up unused statements after
2627         recursion.
2628
2629 2007-03-16  Richard Guenther  <rguenther@suse.de>
2630
2631         * builtins.c (expand_builtin_cexpi): Use the right argument
2632         for the expansion via cexp.
2633
2634 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2635
2636         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2637         * configure: Rebuilt.
2638
2639 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2640
2641         PR debug/29906
2642         * dwarf2out.c (force_type_die): Adjust comment.
2643         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2644
2645 2007-03-15  DJ Delorie  <dj@redhat.com>
2646
2647         * config/frv/predicates.md (minmax_operator): Don't check operands
2648         here.
2649
2650 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2651
2652         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2653         Update constant estimates of number of iterations.
2654         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2655         argument renamed to "realistic".
2656         (compute_estimated_nb_iterations): Removed.
2657         (record_niter_bound): New function.
2658         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2659         call record_nonwrapping_iv with upper = false.
2660         (infer_loop_bounds_from_signedness): Pass upper argument to
2661         record_nonwrapping_iv.
2662         (estimate_numbers_of_iterations_loop): Do not call
2663         compute_estimated_nb_iterations.  Record estimate based on profile
2664         information.  Initialize the constant estimates of number of
2665         iterations.
2666         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2667         estimates.
2668         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2669         number of iterations is too small.
2670         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2671         (EST_NOT_AVAILABLE): Removed.
2672         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2673         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2674         fields.
2675
2676 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2677
2678         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2679         Handle NE_EXPR guards.
2680
2681 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2682
2683         PR c++/24924
2684         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2685         Set also -pedantic-errors by default for the  preprocessor unless
2686         -fpermissive is given.
2687
2688 2007-03-15  Richard Guenther  <rguenther@suse.de>
2689
2690         PR middle-end/29719
2691         PR middle-end/31161
2692         * builtins.c (expand_builtin_cexpi): As a fallback if we
2693         don't have builtins for sincos or cexp create a function
2694         declaration for cexp and expand to a call to that.
2695         (expand_builtin_int_roundingfn): Always fall
2696         back to floor/ceil and its variants even if they may be
2697         not available.
2698
2699 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2700
2701         PR middle-end/31159
2702         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2703         jump tables, move the call to delete_dead_jumptables from here...
2704         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2705         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2706         don't allow merging of blocks that try_redirect_by_replacing_jump
2707         also does not handle when not optimizing.
2708
2709 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2710             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2711
2712         * config/i386/i386.md (x86_sahf_1): Correctly handle
2713         HAVE_AS_IX86_SAHF.
2714
2715 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         PR target/31167
2718         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2719         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2720         from operand constraints and use "e" constraint instead.
2721         (*subti3_1, *subti3_1 splitter): Ditto.
2722         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2723         operand[1] predicate.
2724
2725 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2726
2727         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2728         arrays, multiply the access strides by the size of the sub-array.
2729         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2730
2731 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2732
2733         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2734         the configured assembler supports the sahf mnemonic.
2735         * configure: Regenerate.
2736         * config.in: Regenerate.
2737
2738         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2739         emit "sahf" or ".byte\t0x9e" as asm template.
2740
2741 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2742
2743         PR 31018
2744         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2745         option to replace hard coded TARGET_xxx in md file.
2746         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2747         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2748         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2749         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2750         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2751         (X86_TUNE_NOT_VECTORMODE): Ditto.
2752         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2753         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2754         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2755         (TUNE_SLOW_IMUL_IMM8): Ditto.
2756         (TUNE_MOVE_M1_VIA_OR): Ditto.
2757         (TUNE_NOT_UNPAIRABLE): Ditto.
2758         (TUNE_NOT_VECTORMODE): Ditto.
2759
2760         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2761         options.
2762
2763         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2764         tuning options instead of hard coded TARGET_xxx.
2765         (fix ssemode peephole2's): Ditto.
2766         (imul peephole2's): Ditto.
2767         (movsi_or): Ditto.
2768         (movdi_or_rex64): Ditto.
2769         (move peephole2): Ditto.
2770         (not peephole2's): Ditto.
2771
2772 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2773
2774         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2775         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2776         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2777         of empty body.
2778         * c-parser.c (c_parser_do_statement): Warn about empty body in
2779         do/while statement.
2780         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2781         * doc/invoke.texi (-Wempty-body): Update documentation.
2782
2783 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2784
2785         PR c/21438
2786         * c-common.h (warn_for_div_by_zero): Declare.
2787         * c-common.c (warn_for_div_by_zero): Define.
2788         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2789         warning.
2790
2791 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2792
2793         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2794         to PREFIX and STANDARD_PREFIX.
2795
2796 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2797             Phil Edwards  <phil@codesourcery.com>
2798
2799         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2800         (__gthread_once_t): Remove busy field for RTPs.
2801         (__GTHREAD_ONCE_INIT): Update accordingly.
2802
2803 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2804
2805         * doc/invoke.texi: Document VxWorks options.
2806
2807 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2808
2809         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2810
2811 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2812
2813         PR tree-optimization/30590
2814         * tree-nrv.c (tree_nrv): Check for the partial update of the
2815         return value.
2816
2817 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2818
2819         * flags.h (flag_random_seed): Remove declaration, in favor of...
2820         * toplev.h (get_random_seed, set_random_seed): ... these.
2821         * tree.c (get_file_function_name): Use the former.
2822         * opts.c (common_handle_option): Use the latter.
2823         * toplev.c
2824
2825 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2826
2827         PR middle-end/31127
2828         * cse.c (cse_find_path): Do not bail out if a basic block that
2829         we already visited now becomes part of a path that starts at a
2830         different basic block.  Just disallow this, to make sure we
2831         visit each basic block at most once.
2832
2833 2007-03-13  Jan Hubicka  <jh@suse.cz>
2834
2835         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2836         when profile esitmate is present, calls with very low frequency are
2837         cold.
2838
2839 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2840
2841         PR tree-optimization/30730
2842         PR tree-optimization/26900
2843         * tree-ssa-loop-niter.c: Include gmp.h.
2844         (bounds): New type.
2845         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2846         split_to_var_and_offset, determine_value_range,
2847         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2848         bound_difference, bounds_add, bounds_negate,
2849         number_of_iterations_ne_max, dump_affine_iv): New functions.
2850         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2851         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2852         difference of initial and final value of control iv to validate
2853         results.
2854         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2855         on the difference of the extremes of the control iv.  Add dumps.
2856         (expand_simple_operations): Handle phi nodes.
2857         (simplify_using_initial_conditions): Do not record used conditions.
2858         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2859         Do not set additional_info.
2860         (implies_nonnegative_p, implies_ge_p): Removed.
2861         (derive_constant_upper_bound): Do not use parameter `additional'.
2862         (record_estimate): Parameter `additional' removed.  Parameter
2863         `i_bound' added.  Do not call derive_constant_upper_bound.
2864         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2865         bound the number of iterations estimate.
2866         (estimate_numbers_of_iterations_loop): Pass the estimate from
2867         the number of iterations analysis to record_estimate.
2868         * tree.h (multiple_of_p): Declare.
2869         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2870         (scev_const_prop): Do not check expression_expensive_p.
2871         * fold-const.c (multiple_of_p): Exported.
2872         * double-int.c (double_int_mask): Exported.
2873         * double-int.h (double_int_mask): Declare.
2874         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2875         field.  Added max field.
2876
2877 2007-03-13  David Taylor  <taylor@candd.org>
2878
2879         PR driver/12448:
2880         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2881         default -MQ.
2882
2883 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2884
2885         PR target/31123
2886         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2887         two unamed patterns.
2888
2889 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2890
2891         * config/i386/i386.opt (mcx16, msahf): New options.
2892         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2893         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2894
2895         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2896         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2897         Output -mcx16 and -msahf options when corresponding bit is set.
2898
2899         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2900         and -msahf options.
2901
2902 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2903
2904         * configure.ac: Test for assembler tolerance to # 0 "".
2905         * configure, config.in: Rebuilt.
2906         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2907
2908 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2909
2910         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2911
2912         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2913         (handle_syscall): Handle direct system calls.
2914         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2915
2916 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2917
2918         * doc/invoke.texi: Fix cpp.info cross-reference.
2919         * doc/passes.texi: Fix gcc.info cross-reference.
2920
2921 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2922
2923         PR tree-optimization/30835
2924         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2925         bb_for_stmt is not NULL before accessing it.
2926
2927 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2928
2929         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2930         some multilibs.
2931
2932 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2933
2934         PR 30635
2935         * doc/install.texi: Document --enable-stage1-languages
2936
2937 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2938
2939         * tree-pass.h (pass_into_cfg_layout_mode,
2940         pass_outof_cfg_layout_mode): Declare.
2941         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2942         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2943         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2944         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2945
2946 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2947
2948         * c-decl.c (warn_variable_length_array): New function.
2949         Refactored from grokdeclarator to handle warn_vla
2950         and handle unnamed array case.
2951         (grokdeclarator): Refactored VLA warning case.
2952         * c.opt (Wvla): New flag.
2953         * doc/invoke.texi (Wvla): New warning.
2954
2955 2007-03-12  Richard Henderson  <rth@redhat.com>
2956
2957         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2958         (TARGET_SECTION_TYPE_FLAGS): New.
2959
2960 2007-03-12  Richard Henderson  <rth@redhat.com>
2961
2962         * config/darwin.c (machopic_reloc_rw_mask): New.
2963         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2964         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2965
2966 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2967
2968         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2969         * cppdefault.h (cpp_PREFIX): Document.
2970         (cpp_PREFIX_len): Likewise.
2971         (cpp_EXEC_PREFIX): New variable.
2972         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2973         * c-incpath.c (add_standard_paths): Correct logic for relocating
2974         paths within prefix.
2975
2976 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2977
2978         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2979         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2980         mode macro.
2981         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2982         fix_truncdfdi_sse using SSEMODEF mode macro.
2983         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2984         fix_truncdfsi_sse using SSEMODEF mode macro.
2985         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2986         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2987
2988 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2989
2990         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2991         elfos.h to tm_file.
2992
2993 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2994
2995         * tree.h : Add multiple_of_p declaration.
2996         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2997         * ipa-type-escape.c (results_of_malloc): Redundant.
2998         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2999         (cast_type): Extended with new members.
3000         (check_cast): Returns cast_type.
3001         (cast): New structure for data of walk_use_def_chains.
3002         (is_malloc_result, is_cast_from_non_pointer_1,
3003         is_cast_from_non_pointer,
3004         is_array_access_through_pointer_and_index): New functions.
3005         (look_for_casts): Returns cast types.
3006         (check_call): Returns void.
3007         (okay_pointer_operation): Use support of pointer plus index,
3008         pointer plus constant and allow all multiplications.
3009
3010 2007-03-11  Richard Guenther  <rguenther@suse.de>
3011
3012         PR tree-optimization/31115
3013         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3014         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3015         A shift count of zero is not special as with *_DIV_EXPR.
3016         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3017         direction.
3018
3019 2007-03-11  Ian Lance Taylor  <iant@google.com>
3020
3021         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3022         the *_DIV_EXPR codes correctly with overflow infinities.
3023
3024 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3025
3026         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3027         indicate success/failure of the analysis. Add negation to subtrahend
3028         in case of subtraction. Fail if both operands contain constants.
3029         (create_data_ref): Fail if analyze_offset fails.
3030
3031 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         * config/i386/i386.md (frndintxf2): Rename to ...
3034         (rintxf2): ... this. Remove expander having same name.
3035         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3036         (roundsf2, rounddf2): Ditto.
3037         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3038         (lround<mode>di2, lround<mode>si2): Ditto.
3039
3040 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3041
3042         * lower-subreg.c: Include except.h.
3043         (decompose_multiword_subregs): Verify that the only control flow
3044         insns we can split are loads to multi-words pseudos.
3045         Handle breaking such blocks after splitting, instead of calling
3046         find_many_sub_basic_blocks.
3047
3048         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3049         on the new basic block.  Add a lengthy comment explaining why we
3050         thought this was necessary.
3051         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3052
3053 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3054
3055         PR c++/30924
3056         * tree.c (walk_type_fields): Recurse into the element type of
3057         ARRAY_TYPEs if there is a pointer set.
3058
3059 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3060
3061         * c-common.c (warn_logical_operator): Fix condition.
3062
3063 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3064
3065         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3066         quotation mark.
3067         * config/darwin.c (machopic_select_section): Remove superfluous
3068         argument in call to categorize_decl_for_section.  Remove unused
3069         variable shlib.
3070
3071 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3072
3073         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3074         defined.
3075         * configure: Regenerate.
3076
3077 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3078
3079         PR target/31101
3080         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3081         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3082         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3083         Add LABEL_NUSES to emitted label.
3084         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3085         branch probability value to emitted jump insn.
3086         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3087         Do not check life information and do not re-arrange input operands
3088         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3089
3090 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3091
3092         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3093         the change of decode_asm_operands.
3094
3095 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3096
3097         * mode-switching.c (create_pre_exit): Skip blockage insn.
3098
3099 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3100
3101         * tree-pass.h (TODO_update_smt_usage): Remove.
3102         Update all users.
3103         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3104         argument SOME.
3105         Update all users.
3106
3107 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3108
3109         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3110         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3111         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3112         SOM target.
3113
3114 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3115
3116         * gcc.c: Document %{, in big comment at top.
3117         (input_suffix_matches): Remove special handling for .s and
3118         .S.
3119         (input_spec_matches): New.
3120         (handle_braces): Handle %{,.
3121         (validate_switches): ',' indicates a value which is not a switch.
3122         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3123         to detect assembler input.
3124         * config/i386/sol2.h (CPP_SPEC): Likewise.
3125         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3126         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3127         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3128         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3129         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3130         -m64 causes deployment target to default to 10.5.
3131         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3132
3133 2007-03-09  Richard Henderson  <rth@redhat.com>
3134
3135         PR target/26090
3136         * target.h (targetm.asm.out.reloc_rw_mask): New.
3137         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3138         (TARGET_ASM_OUT): Use it.
3139         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3140         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3141         use the new reloc_rw_mask target hook instead.
3142         (default_section_type_flags_1): Merge into...
3143         (default_section_type_flags): ... here.
3144         (decl_readonly_section_1): Merge into...
3145         (decl_readonly_section): ... here.
3146         (default_elf_select_section_1): Merge into...
3147         (default_elf_select_section): ... here.
3148         (default_unique_section_1): Merge into...
3149         (default_unique_section): ... here.
3150         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3151         (default_select_rtx_section): Use it.
3152         (default_elf_select_rtx_section): Likewise.
3153         * output.h: Update to match.
3154         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3155         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3156         (TARGET_ASM_RELOC_RW_MASK): New.
3157         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3158         to categorize_decl_for_section.
3159         (x86_64_elf_unique_section): Likewise.
3160         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3161         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3162         (TARGET_ASM_RELOC_RW_MASK): New.
3163         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3164         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3165         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3166         (TARGET_RWRELOC): Remove.
3167         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3168         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3169         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3170         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3171         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3172         (rs6000_xcoff_select_section): Use decl_readonly_section.
3173         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3174         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3175         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3176         (TARGET_SECTION_TYPE_FLAGS): Remove.
3177         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3178
3179 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3180
3181         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3182         complex constant equality/inequality comparisons for here.
3183         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3184         known at compile-time or can be simplified to a scalar comparison.
3185         (fold_relational_const): Move compile-time evaluation of complex
3186         constant equality/inequality comparisons to here.
3187
3188 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3189
3190         PR rtl-optimization/30643
3191         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3192         dest_addr_elt.
3193         (fold_rtx): Recurse, like before 2006-11-03.
3194
3195 2007-03-09  DJ Delorie  <dj@redhat.com>
3196
3197         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3198         m32c-pragma.o.
3199
3200 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3201
3202         PR tree-optimization/30375
3203         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3204         LHS of statements is not the same.
3205         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3206
3207 2007-03-09  Chao-ying Fu  <fu@mips.com>
3208
3209         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3210         REV 2.
3211         * doc/invoke.texi (-mdspr2): Document new option.
3212         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3213         New unspec for DSP REV 2.
3214         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3215         these instructions are extended in DSP REV 2.
3216         (mips-dspr2.md): Include.
3217         * config/mips/mips.opt (mdspr2): New option.
3218         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3219         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3220         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3221         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3222         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3223         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3224         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3225         and 2 builtins.
3226         (bdesc_map): Add one field of unsupported_target_flags.
3227         (bdesc_arrays):  Update entries to have extra fields.  Add
3228         dsp_32only_bdesc.
3229         (mips_init_builtins): Initialize new function types.
3230         Check unsupported_target_fileds to filter out builtins.
3231         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3232         TARGET_DSPR2.
3233         (ASM_SPEC): Pass mdspr2 to the assembler.
3234         * config/mips/mips-dspr2.md: New file.
3235
3236 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3237
3238         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3239
3240 2007-03-09  Ian Lance Taylor  <iant@google.com>
3241
3242         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3243         argument) like -Wstrict-overflow=2.
3244         * doc/invoke.texi (Warning Options): Update documentation.
3245
3246 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3247
3248         PR c++/17946
3249         * doc/invoke.texi (-Wlogical-op): Document.
3250         * common.opt (-Wlogical-op): New.
3251         * c-common.h (warn_logical_operator): Declare.
3252         * c-common.c (warn_logical_operator): Define.
3253         * c-typeck.c (parser_build_binary_op): Call
3254         warn_logical_operator.
3255
3256 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3257
3258         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3259         * final.c (final_scan_insn): Test for non-"" file name.
3260
3261 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3262
3263         * doc/loop.texi: Document the Omega linear constraints solver.
3264         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3265         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3266         omega-hash-table-size, omega-max-keys, and
3267         omega-eliminate-redundant-constraints.
3268         * tree-pass.h (pass_check_data_deps): Declared.
3269         * omega.c: New.
3270         * omega.h: New.
3271         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3272         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3273         pass_check_data_deps): New.
3274         * tree-data-ref.c (init_data_ref): Remove declaration.
3275         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3276         (analyze_array): Renamed init_array_ref, move up initializations.
3277         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3278         Removed arguments that are set to NULL.
3279         (analyze_indirect_ref): Correct indentation, correct call to
3280         init_pointer_ref.
3281         (object_analysis): Call init_array_ref instead of analyze_array.
3282         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3283         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3284         of DR_ACCESS_FNS_ADDR.
3285         (init_omega_eq_with_af, omega_extract_distance_vectors,
3286         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3287         ddr_consistent_p): New.
3288         (compute_affine_dependence): Check consistency of ddrs when
3289         flag_check_data_deps is passed.
3290         (analyze_all_data_dependences): Uncomment.
3291         (tree_check_data_deps): New.
3292         * tree-data-ref.h: Include omega.h.
3293         (DR_ACCESS_FNS_ADDR): Removed.
3294         (data_dependence_relation): Add inner_loop.
3295         (DDR_INNER_LOOP): New.
3296         * common.opt (fcheck-data-deps): New.
3297         * tree-flow.h (tree_check_data_deps): Declare.
3298         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3299         (OBJS-common): Depend on omega.o.
3300         (omega.o): Define.
3301         * passes.c (pass_check_data_deps): Scheduled.
3302         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3303         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3304         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3305         PARAM_VECT_MAX_VERSION_CHECKS,
3306         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3307
3308 2007-03-09  Richard Guenther  <rguenther@suse.de>
3309
3310         PR tree-optimization/30904
3311         PR middle-end/31058
3312         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3313         the same way as *_DIV_EXPR.
3314
3315 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3316
3317         * recog.c (decode_asm_operands): No mixed declarations and code.
3318
3319 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3320
3321         * rtl.def (ASM_INPUT): Add location.
3322         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3323         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3324         (decode_asm_operands): Add loc operand.
3325         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3326         * stmt.c (expand_asm): Rename to...
3327         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3328         gen_rtx_ASM_INPUT_loc.
3329         (expand_asm_expr): Adjust.
3330         * recog.c (decode_asm_operands): Add loc operand.
3331         (check_asm_operands, extract_insn): Adjust.
3332         * reload1.c (maybe_fix_stack_asms): Likewise.
3333         * final.c (asm_insn_count): Likewise.
3334         (final_scan_insn): Output # line before and after asm.
3335
3336 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3337
3338         * tree-ssa-structalias.c (variable_info): Remove
3339         finished_solution.
3340         (new_var_info): Ditto.
3341         (shared_bitmap_info_t): New structure.
3342         (shared_bitmap_table): New variable.
3343         (shared_bitmap_hash): New function.
3344         (shared_bitmap_eq): Ditto
3345         (shared_bitmap_lookup): Ditto.
3346         (shared_bitmap_add): Ditto.
3347         (merge_smts_into): Change to take bitmap directly.
3348         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3349         (init_alias_vars): Init shared bitmap hashtable.
3350         (delete_points_to_sets): Delete shared bitmap hashtable.
3351         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3352         is_aliased removal as a change that was still necessary was
3353         deleted.
3354
3355 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3356
3357         * config/i386/i386.h (override_options): Conditionally disable
3358         x86_sahf for 64bit targets only.
3359
3360 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3361
3362         PR C/31072
3363         * c-decl.c (merge_decls): Don't call make_var_volatile.
3364         * varasm.c (make_var_volatile): Remove.
3365         * output.h (make_var_volatile): Remove.
3366
3367 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3368
3369         PR tree-optimization/31085
3370         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3371
3372 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3373
3374         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3375         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3376         ATTR_CONST_NOTHROW_LIST.
3377
3378         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3379         FIX_TRUNC_EXPR.
3380
3381 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3382
3383         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3384
3385 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3386
3387         PR 31013
3388         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3389         is declared.
3390         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3391         passed, use shared libgcc.
3392
3393 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3394
3395         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3396         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3397         (honor_protect_cleanup_actions, lower_try_finally_switch):
3398         Likewise.
3399         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3400         ifc_temp_var): Likewise.
3401         * tree-inline.c (setup_one_parameter): Likewise.
3402         * tree-mudflap.c (mf_decl_cache_locals,
3403         mf_build_check_statement_for): Likewise.
3404         * tree-nested.c (init_tmp_var, save_tmp_var,
3405         finalize_nesting_tree_1): Likewise.
3406         * tree-outof-ssa.c (insert_copy_on_edge,
3407         insert_backedge_copies): Likewise.
3408         * tree-profile.c (tree_gen_edge_profiler,
3409         tree_gen_ic_profiler): Likewise.
3410         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3411         * tree-sra.c (sra_build_assignment): Likewise.
3412         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3413         * tree-ssa-math-opts.c (insert_reciprocals,
3414         execute_cse_sincos_1): Likewise.
3415         * tree-tailcall.c (adjust_accumulator_values,
3416         adjust_return_value): Likewise.
3417         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3418         * tree-vect-transform.c (vect_create_data_ref_ptr,
3419         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3420         vect_create_epilog_for_reduction, vectorizable_reduction,
3421         vectorizable_call, vectorizable_conversion,
3422         vectorizable_assignment, vectorizable_operation,
3423         vectorizable_type_demotion, vect_gen_widened_results_half,
3424         vect_permute_store_chain, vectorizable_store,
3425         vect_setup_realignment, vect_permute_load_chain,
3426         vectorizable_load, vectorizable_condition,
3427         vect_create_cond_for_align_checks): Likewise.
3428         * tree-vrp.c (build_assert_expr_for): Likewise.
3429
3430 2007-03-08  Ian Lance Taylor  <iant@google.com>
3431
3432         * tree-vrp.c: Include "intl.h".
3433         (usable_range_p): New static function.
3434         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3435         overflowed values, juts set *strict_overflow_p.
3436         (compare_values): Only return -2 if one of the operands is not a
3437         constant.
3438         (compare_ranges): Call usable_range_p.
3439         (compare_range_with_value): Likewise.
3440         (vrp_evaluate_conditional_warnv): Rename from
3441         vrp_evaluate_conditional.  Make static.  Change all callers.
3442         (vrp_evaluate_conditional): New function.
3443         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3444         on signed overflow.
3445         (simplify_abs_using_ranges): Likewise.
3446         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3447         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3448         within_stmt parameter.
3449         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3450         vrp_evaluate_conditional.
3451         * tree-ssa-threadedge.c
3452         (record_temporary_equivalences_from_stmts_at_dest): Change
3453         simplify parameter to take a second tree parameter.
3454         (simplify_control_stmt_condition): Likewise.
3455         (thread_across_edge): Likewise.
3456         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3457         (thread_across_edge): Likewise.
3458         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3459
3460 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3461
3462         * config/i386/i386.h (TARGET_SAHF): New define.
3463         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3464         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3465         (x86_sahf): New global variable.
3466         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3467         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3468         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3469         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3470         for 64-bit.
3471         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3472         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3473         when expanding fcomi/sahf based tests.
3474         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3475         expanding sahf based alternative. Emit sahf based sequence when
3476         optimizing for code size.
3477         * config/i386/i386.md (x86_sahf_1): Do not disable for
3478         TARGET_64BIT, enable for TARGET_SAHF.
3479
3480 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3481
3482         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3483         spurious whitespace from error message.
3484
3485 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3486
3487         PR c++/30852
3488         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3489
3490 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3491
3492         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3493         bitfields.
3494         * tree-sra.c (instantiate_element): Propagate disabled warnings
3495         from the element itself to the created variable.
3496
3497 2007-03-07  Richard Henderson  <rth@redhat.com>
3498
3499         PR target/30848
3500         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3501         silently fix up the stack in the case of a missing register.
3502
3503 2007-03-07  Paul Brook  <paul@codesourcery.com>
3504
3505         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3506
3507 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3508
3509         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3510         New.
3511         (phase1_vrs): Use them.
3512         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3513         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3514         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3515         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3516         __gnu_Unwind_Restore_WMMXC if required.
3517         (_Unwind_VRS_Pop): Implement iWMMXt support.
3518         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3519         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3520         gnu_Unwind_Save_WMMXC): Define.
3521
3522 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3523
3524         * config/vxworks.h (vxworks_override_options): Declare.
3525         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3526         * config/vxworks.c: Include target.h and toplev.h.
3527         (vxworks_override_options): New function.
3528         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3529
3530 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3531
3532         * config/s390/s390.c (override_options): Don't emit an error when
3533         -mstack-size is used without providing -mstack-guard.
3534         (s390_emit_prologue): Choose stack_guard value automatically if not
3535         provided via command line.
3536         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3537
3538 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3539
3540         * config/i386/i386.c (output_set_got): Add a GOT initialization
3541         sequence for VxWorks PIC.
3542         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3543         around labels as well as symbols.  Use gotoff_operand instead
3544         of local_symbolic_operand.
3545         (legitimize_pic_address): Use gotoff_operand instead of
3546         local_symbolic_operand.  Use @GOT accesses for labels as
3547         well as symbols.
3548         (ix86_output_addr_diff_elt): Use PC-relative rather than
3549         GP-relative offsets for VxWorks PIC.
3550         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3551         no_new_pseudos.  Check whether the returned register is op0.
3552         * config/i386/i386.md (tablejump): Use PC-relative rather than
3553         GP-relative offsets for VxWorks PIC.
3554         * config/i386/predicates.md (gotoff_operand): New predicate.
3555
3556 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3557
3558         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3559         before defining.
3560         * config/vxworks-dummy.h: New file.
3561         * config/i386/i386.h: Include it.
3562
3563 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3564
3565         * dwarf2out.c (is_inlined_entry_point): New
3566         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3567         DW_AT_ranges if the first subblock is the entry point.
3568
3569 2007-03-06  David Daney  <ddaney@avtrex.com>
3570
3571         * doc/install.texi (mips-*-*): Change recommended binutils
3572         version.
3573
3574 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3575
3576         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3577         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3578         devices.
3579         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3580         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3581
3582 2007-03-06  Jan Hubicka  <jh@suse.cz>
3583
3584         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3585         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3586         are hot.
3587         (probably_cold_bb_p): Cold functions are cold.
3588         (probably_never_executed_bb_p): Cold functions are cold.
3589         (tree_bb_level_predictions): Predict calls to cold functions as not
3590         taken.
3591         (compute_function_frequency): Check hot/cold attributes.
3592         * function.h (function_frequency): Update comments.
3593         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3594         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3595         (c_common_att): Add cold and hot.
3596
3597         * doc/extend.texi (hot,cold attributes): Document.
3598
3599 2007-03-06  Andrew Haley  <aph@redhat.com>
3600
3601         * function.c (expand_function_end): Move blockage to just after we
3602         emit the label for the naked return from the function.
3603
3604 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3605
3606         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3607         before redefining.
3608
3609 2007-03-06  Jan Hubicka  <jh@suse.cz>
3610
3611         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3612         loaded for constant large models.  Non-large 64bit PIC can do.
3613         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3614         * cmodel.h: Add LARGE PIC.
3615         * i386.md (UNSPEC_PLTOFF): New.
3616         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3617         needed.
3618         (*call_1_rex64): Disable for large models.
3619         (*call_1_rex64_large): New.
3620         (*call_value_1_rex64): Disable for large models.
3621         (*call_value_1_rex64_large): New.
3622         (set_rip_rex4): New.
3623         (set_got_offset_rex64): New.
3624         * predicates.md (constant_call_address_operand): For large model
3625         constant calls are not possible.
3626         * i386-protos.h (construct_plt_address): Declare.
3627         * i386.c (override_options): Accept large models.
3628         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3629         (legitimate_constant_p): Add new UNSPECs.
3630         (legitimate_pic_operand_p): Likewise.
3631         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3632         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3633         non-large model.
3634         (output_pic_addr_const): Add PLTOFF.
3635         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3636         (ix86_expand_move): Legitimize pic address when in PIC mode.
3637         (construct_plt_address): New function.
3638         (ix86_expand_call): Offload the address to register and use GOT pointer
3639         for large model.
3640         * invoke.texi (mcmodel=large): Update documentation.
3641
3642 2007-03-06  Richard Henderson  <rth@redhat.com>
3643
3644         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3645         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3646         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3647         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3648         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3649         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3650         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3651         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3652         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3653         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3654         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3655         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3656         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3657         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3658         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3659         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3660         x86_schedule, x86_use_bt, x86_pad_returns,
3661         x86_use_xchgb): Merge into ...
3662         (ix86_tune_features): ... here.  New array.
3663         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3664         x86_bswap): Merge into ...
3665         (ix86_arch_features): ... here.  New array.
3666         (x86_3dnow_a): Remove.
3667         (x86_accumulate_outgoing_args): Make static.
3668         (x86_arch_always_fancy_math_387): Make static.
3669         (ix86_tune_mask, ix86_arch_mask): Move ...
3670         (override_options): ... to local variables here.  Apply the
3671         appropriate mask to each element of ix86_arch_features and
3672         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3673         as were done in the old macros.
3674         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3675         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3676         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3677         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3678         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3679         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3680         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3681         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3682         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3683         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3684         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3685         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3686         x86_accumulate_outgoing_args, x86_prologue_using_move,
3687         x86_epilogue_using_move, x86_decompose_lea,
3688         x86_arch_always_fancy_math_387, x86_shift1,
3689         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3690         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3691         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3692         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3693         x86_use_incdec, x86_pad_returns, x86_bswap,
3694         x86_partial_flag_reg_stall): Remove.
3695         (enum ix86_tune_indices): New.
3696         (ix86_tune_features): New.
3697         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3698         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3699         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3700         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3701         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3702         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3703         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3704         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3705         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3706         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3707         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3708         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3709         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3710         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3711         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3712         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3713         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3714         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3715         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3716         TARGET_EXT_80387_CONSTANTS): Use it.
3717         (enum ix86_arch_indices): New.
3718         (ix86_arch_features): New.
3719         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3720         TARGET_BSWAP): Use it.
3721         (ix86_tune_mask, ix86_arch_mask): Remove.
3722
3723 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3724
3725         PR bootstrap/31020
3726         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3727         Define using $${sysroot_headers_suffix}.
3728         * configure: Regenerate.
3729         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3730         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3731         defined.
3732         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3733         * gcc.c (print_sysroot_headers_suffix): New.
3734         (option_map): Include --print-sysroot-headers-suffix.
3735         (display_help): Mention -print-sysroot-headers-suffix.
3736         (process_command): Handle -print-sysroot-headers-suffix.
3737         (do_spec_1): Append multilib directory to include-fixed path if
3738         sysroot suffixes in use.
3739         (main): Handle -print-sysroot-headers-suffix.
3740         * Makefile.in (start.encap): Don't depend on xlimits.h
3741         (xlimits.h): Remove.
3742         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3743         limits.h for each multilib in fixinc_list.
3744         (fixinc_list, s-fixinc_list): New.
3745         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3746         generate them for each multilib in fixinc_list.
3747         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3748         multilib in fixinc_list.
3749         (mostlyclean): Don't remove xlimits.h.
3750         (clean): Remove include-fixed.
3751         (real-install-headers-tar, real-install-headers-cpio,
3752         real-install-headers-cp): Don't copy include, only include-fixed.
3753         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3754         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3755         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3756         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3757
3758 2007-03-06  Jan Hubicka  <jh@suse.cz>
3759
3760         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3761         NANs easilly.
3762
3763 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3764
3765         * configure.ac: Allow tm_file to contain build-directory files.
3766         * configure: Regenerate.
3767         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3768         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3769         * config/m68k/print-sysroot-suffix.sh: New file.
3770
3771 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3772
3773         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3774         of pic_offset_table_rtx if reload_completed.
3775         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3776         PIC_OFFSET_TABLE_REGNUM.
3777         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3778         return true.
3779         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3780         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3781
3782 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3783
3784         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3785         functions that call eh_return.
3786
3787 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3788
3789         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3790         functions that need a constant pool.
3791
3792 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3793
3794         PR target/28181
3795         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3796         (m68k_preferred_reload_class): Likewise.
3797         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3798         (SECONDARY_RELOAD_CLASS): Define.
3799         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3800         (LIMIT_RELOAD_CLASS): Delete.
3801         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3802         registers from storing bytes.
3803         (m68k_secondary_reload_class): New function.
3804         (m68k_preferred_reload_class): Likewise.
3805
3806 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3807
3808         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3809         leaf functions.
3810         (m68k_expand_prologue): Likewise.
3811
3812 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3813
3814         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3815         (mips_expand_epilogue): Add a bool parameter.
3816         (m68k_legitimize_sibcall_address): Declare.
3817         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3818         (m68k_expand_epilogue): Add a parameter to select between sibling
3819         and normal epilogues.  Only generate a return for the latter.
3820         (m68k_ok_for_sibcall_p): New function.
3821         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3822         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3823         (sibcall_value, *sibcall_value): Likewise.
3824         (*call, *call_value): Require !SIBLING_CALL_P.
3825         (epilogue): Update call to m68k_expand_epilogue.
3826         (sibcall_epilogue): New pattern.
3827         * config/m68k/predicates.md (const_call_operand): Say that this
3828         predicate applies to sibling calls too.
3829         (sibcall_operand): New predicate.
3830
3831 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3832
3833         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3834         alternatives as movsi_cf.
3835         (movsf_cf_hard): Add commentary.
3836
3837 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3838             Richard Sandiford  <richard@codesourcery.com>
3839
3840         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3841         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3842         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3843         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3844         as being live on exit from an interrupt function.
3845         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3846         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3847         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3848         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3849         (m68k_interrupt_function_p): Globalize.
3850         (m68k_compute_frame_layout): Remove reverse mask code.
3851         (m68k_emit_movem, m68k_set_frame_related): New functions.
3852         (m68k_output_function_prologue): Delete in favor of...
3853         (m68k_expand_prologue): ...this new function.
3854         (m68k_output_function_epilogue): Delete in favor of...
3855         (m68k_expand_epilogue): ...this new function.
3856         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3857         functions.
3858         (print_operand): Handle %?.
3859         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3860         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3861         (prologue, epilogue): New patterns.
3862         (return): Turn into a define_expand.
3863         (*return): New pattern, derived from old "return" pattern.  Use rte
3864         rather than rts for interrupt functions.  Only use rtd if the pop
3865         count is nonzero.
3866         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3867         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3868         (link, *link, unlink, *unlink, load_got): Likewise.
3869
3870 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3871
3872         PR target/23482
3873         PR target/17114
3874         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3875         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3876         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3877         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3878         and m68k_matches_u_p.
3879         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3880         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3881         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3882         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3883         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3884         (REG_STRICT_P): New macro.
3885         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3886         PCREL_GENERAL_OPERAND_OK.
3887         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3888         m68k_legitimate_base_reg_p.
3889         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3890         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3891         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3892         * config/m68k/m68k.c (m68k_address): New structure.
3893         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3894         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3895         (m68k_jump_table_ref_p, m68k_decompose_address)
3896         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3897         (m68k_matches_u_p): New functions.
3898         (print_operand_address): Rewrite to use m68k_decompose_index.
3899
3900 2007-03-05  David Taylor  <dtaylor@emc.com>
3901
3902         * gcc.c: Correct copyright date in --version output.
3903
3904 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3905
3906         * pa.md: In unamed move patterns, disparge copies between general
3907         and floating point registers using '?' modifier.  Don't include 'f'
3908         constraint for register preferences in DImode, SImode, HImode and
3909         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3910         Remove constraints for copies between general and floating registers
3911         in soft-float DFmode pattern.
3912         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3913         floating register.
3914         (movsf): Likewise.
3915
3916 2007-03-05  Mike Stump  <mrs@apple.com>
3917
3918         * c-common.c (targetcm): Add.
3919         * c-opts.c (c_common_handle_option): Handle language specific
3920         target options.
3921         * opts.c (handle_option): Verify language for target options, if
3922         any are given.
3923         * opth-gen.awk: Add CL_LANG_ALL.
3924         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3925         (TARGETCM_INITIALIZER): Add.
3926         * target.h (struct gcc_targetcm): Add.
3927         (targetcm): Add.
3928         * targhooks.c (default_handle_c_option): Add.
3929         * targhooks.h (default_handle_c_option): Add.
3930         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3931
3932         * config/darwin.opt (iframework): Add.
3933         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3934         * config/darwin-c.c (handle_c_option): Add.
3935         (TARGET_HANDLE_C_OPTION): Add.
3936         (targetcm): Add.
3937         * doc/invoke.texi (Darwin Options): Add -iframework.
3938
3939 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3940
3941         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3942         conversion.
3943
3944 2007-03-05  Ian Lance Taylor  <iant@google.com>
3945
3946         * c.opt (fgnu89-inline): New option.
3947         * c-opts.c (c_common_post_options): Set default value for
3948         flag_gnu89_inline.
3949         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3950         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3951         inline functions.
3952         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3953         (grokdeclarator, start_function): Likewise.
3954         * c-cppbuiltin.c (c_cpp_builtins): Define either
3955         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3956         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3957         (C Dialect Options): Document -fgnu89-inline.
3958         * doc/extend.texi (Function Attributes): Explain what the
3959         gnu_inline attribute does.
3960         * doc/cpp.texi (Common Predefined Macros): Document
3961         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3962
3963 2007-03-05  Ian Lance Taylor  <iant@google.com>
3964
3965         PR tree-optimization/31034
3966         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3967         half-range if the other side is an overflow infinity.
3968
3969 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3970
3971         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3972         (bfin*-linux-uclibc*): New configuration.
3973         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3974         defining.
3975         * config/bfin/linux.h: New file.
3976         * config/bfin/libgcc-bfin.ver: New file.
3977         * config/bfin/t-bfin-uclinux: New file.
3978         * config/bfin/t-bfin-linux: New file.
3979         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3980         (TARGET_OS_CPP_BUILTINS): New macro.
3981
3982 2007-03-05  Richard Guenther  <rguenther@suse.de>
3983
3984         * fold-const.c (fold_binary): Remove duplicate folding
3985         of comparison of non-null ADDR_EXPR against null.
3986
3987 2007-03-05  Richard Guenther  <rguenther@suse.de>
3988             Dorit Nuzman  <dorit@il.ibm.com>
3989
3990         PR tree-optimization/26420
3991         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3992         are no loops in the function.  Only print the number of
3993         vectorized loops if it is greater than zero or we are supposed
3994         to print information about unvectorized loops.
3995
3996 2007-03-05  Revital Eres  <eres@il.ibm.com>
3997
3998         * gcc.dg/var-expand1.c: New test.
3999         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4000         when an accumulator is expanded.
4001
4002 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4003
4004         PR other/30465
4005         * c-common.c (convert_and_check): Don't give warnings for
4006         conversion if 'expr' already overflowed.
4007
4008 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4009
4010         PR middle-end/30744
4011         * fold-const.c (fold_comparison): Enforce type consistency when
4012         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4013
4014 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4015
4016         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4017         containing a cast to the base of TARGET_MEM_REF.
4018
4019 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4020
4021         * tree.c (tree_contains_struct_check_failed): Remove spurious
4022         whitespace from error message.
4023
4024 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4025
4026         PR target/30406
4027         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4028         instead of precision.
4029
4030 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4031             Nathan Sidwell  <nathan@codesourcery.com>
4032
4033         * emit-rtl.c (find_auto_inc): New.
4034         (try_split): recreate REG_INC notes,
4035         Use regular for loops rather than whiles.
4036
4037 2007-03-03  Andreas Schwab  <schwab@suse.de>
4038
4039         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4040         * configure: Regenerate.
4041
4042 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4043
4044         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4045         flag_rounding_math, not flag_unsafe_math_optimizations.
4046
4047         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4048         fold_build2.
4049         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4050         alpha_fold_vector_minmax): Likewise.
4051         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4052         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4053
4054 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4055
4056         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4057         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4058         if the lhs has side-effects.
4059         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4060
4061 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4062
4063         * config/i386/i386.h (TUNEMASK): Remove define.
4064         (ARCHMASK): Remove define.
4065         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4066          Use ix86_arch_mask variable instead of ARCHMASK.
4067         * config/i386/i386.c (override_options): Ditto.
4068         (standard_80387_constant_p): Ditto.
4069
4070 2007-03-02  Ian Lance Taylor  <iant@google.com>
4071
4072         Used signed infinities in VRP.
4073         * tree-vrp.c (uses_overflow_infinity): New static function.
4074         (supports_overflow_infinity): New static function.
4075         (make_overflow_infinity): New static function.
4076         (negative_overflow_infinity): New static function.
4077         (positive_overflow_infinity): New static function.
4078         (is_negative_overflow_infinity): New static function.
4079         (is_positive_overflow_infinity): New static function.
4080         (is_overflow_infinity): New static function.
4081         (overflow_infinity_range_p): New static function.
4082         (compare_values_warnv): New function split out of compare_values.
4083         (compare_value): Call it.
4084         (set_value_range_to_nonnegative): Add overflow_infinity
4085         parameter.  Change caller.
4086         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4087         Change callers.
4088         (vrp_expr_computes_nonzero): Likewise.
4089         (compare_ranges, compare_range_with_value): Likewise.
4090         (compare_name_with_value, compare_names): Likewise.
4091         (vrp_evaluate_conditional): Likewise.
4092         (set_value_range): Handle infinity
4093         (vrp_operand_equal_p, operand_less_p): Likewise.
4094         (extract_range_from_assert): Likewise.
4095         (vrp_int_const_binop): Likewise.
4096         (extract_range_from_binary_expr): Likewise.
4097         (extract_range_from_unary_expr): Likewise.
4098         (extract_range_from_comparison): Likewise.
4099         (extract_range_from_expr): Likewise.
4100         (dump_value_range): Likewise.
4101         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4102         (test_for_singularity): Likewise.
4103         (vrp_int_const_binop): Remove inline qualifier.
4104         (adjust_range_with_scev): Add comment.
4105         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4106
4107 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4108
4109         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4110         (get_constraint_for): Likewise.
4111         (do_structure_copy): Likewise.
4112         (find_func_aliases): Fix references to MODIFY_EXPR.
4113         (intra_create_variable_infos): Tidy.
4114         * tree-ssa-operands.c (add_virtual_operand): Add argument
4115         IS_CALL_SITE.
4116         When adding members of alias sets, if IS_CALL_SITE is true and
4117         the symbol is not call-clobbered, skip it.
4118         Adjust all callers.
4119
4120 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4121
4122         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4123         entry by means of emit_insn_at_entry.
4124
4125 2007-03-02  Richard Henderson  <rth@redhat.com>
4126
4127         * expr.h (promoted_input_arg): Remove decl.
4128         * function.c (promoted_input_arg): Merge into ...
4129         * combine.c (setup_incoming_promotions): ... only caller.
4130         Rearrange to avoid double loop.
4131
4132 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4133             Peter Bergner  <bergner@vnet.ibm.com>
4134             Janis Johnson  <janis187@us.ibm.com>
4135
4136         * config/rs6000/dfp.md: New file.
4137         * config/rs6000/rs6000.md: Include dfp.md.
4138         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4139         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4140         and TDmode decimal float modes in FP registers.
4141         (num_insns_constant): Likewise.
4142         (rs6000_legitimate_offset_address_p): Likewise.
4143         (rs6000_legitimize_address): Likewise.
4144         (rs6000_legitimize_reload_address): Likewise.
4145         (rs6000_legitimate_address): Likewise.
4146         (rs6000_emit_move): Likewise.
4147         (function_arg_boundary): Likewise.
4148         (function_arg_advance): Likewise.
4149         (rs6000_darwin64_record_arg_recurse): Likewise.
4150         (function_arg): Likewise.
4151         (rs6000_gimplify_va_arg): Likewise.
4152         (rs6000_split_multireg_move): Likewise.
4153         (rs6000_output_function_epilogue): Likewise.
4154         (rs6000_output_function_epilogue): Likewise.
4155         (rs6000_register_move_cost): Likewise.
4156         (rs6000_function_value): Likewise.
4157         (rs6000_libcall_value): Likewise.
4158
4159 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4160
4161         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4162
4163 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4164
4165         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4166         Use $MULTIDIR to choose between the kernel and RTP headers,
4167         and use $WIND_BASE and $WIND_USR to locate them.
4168
4169 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4170
4171         * config/i386/i386.c (override_options): Put initialization of
4172         ix86_tune_mask and ix86_arch_mask to the correct place.
4173
4174 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4175             Michael Meissner  <michael.meissner@amd.com>
4176
4177         PR target/31019
4178         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4179         (ARCHMASK): Define.
4180         (TARGET_CMOVE): Use ARCHMASK.
4181         (TARGET_CMPXCHG): Ditto.
4182         (TARGET_CMPXCHG8B): Ditto.
4183         (TARGET_XADD): Ditto.
4184         (TARGET_BSWAP): Ditto.
4185         * config/i386/i386.c (ix86_tune_mask): New global variable.
4186         (ix86_arch_mask): Ditto.
4187         (override_options): Initialize ix86_tune_mask and
4188         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4189         target_flags.
4190
4191 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4192
4193         PR 30992
4194         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4195
4196 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4197
4198         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4199         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4200         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4201         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4202         hook.
4203         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4204         rs6000_init_dwarf_reg_sizes_extra): New.
4205         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4206         SPE register high parts.
4207
4208 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4209
4210         * Makefile.in: Add install-pdf target as
4211         copied from automake v1.10 rules.
4212         * configure.ac: Add install-pdf to target list.
4213         * configure: Regenerate.
4214
4215 2007-03-01  Paul Brook  <paul@codesourcery.com>
4216
4217         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4218         modes to LDRD for DImode.
4219         (output_move_double): Fixup out of range ldrd/strd.
4220         (vfp_secondary_reload_class): Rename...
4221         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4222         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4223         coproc_secondary_reload_class for CLASS_IWMMXT.
4224         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4225         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4226
4227 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4228
4229         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4230         factor by the estimated number of iterations.
4231         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4232         prefetch latency.
4233
4234         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4235         decode_caches_intel, detect_caches_intel): New functions.
4236         (host_detect_local_cpu): Use detect_caches_amd and
4237         detect_caches_intel.
4238
4239 2007-03-01  Richard Henderson  <rth@redhat.com>
4240
4241         * expr.c (emit_move_complex_push): Export.
4242         (emit_move_complex_parts): Split out from ...
4243         (emit_move_complex): ... here.
4244         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4245         * config/i386/i386.md (movcdi): New.
4246
4247 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4248
4249         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4250         size of mode1 to check for tieable modes in MMX case.
4251
4252 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4253
4254         * Makefile.in (rtlanal.o): Depend on tree.h.
4255         * rtl.h (offset_within_section_p, split_const): Declare.
4256         * rtlanal.c: Include tree.h.
4257         (offset_within_block_p): New function, taken from
4258         mips_offset_within_object_p.
4259         (split_const): New function, taken from mips_split_const.
4260         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4261         Declare.
4262         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4263         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4264         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4265         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4266         (m68k_illegitimate_symbolic_constant_p): New function.
4267         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4268         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4269         symbolic constant that might be outside the symbol's section,
4270         move the symbol first and then add the offset.
4271         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4272         Override.
4273         * config/mips/mips.c (mips_split_const): Delete.
4274         (mips_offset_within_object_p): Delete.
4275         (mips_symbolic_constant_p): Use offset_within_section_p and
4276         split_const instead of mips_offset_within_object_p and
4277         mips_split_const.
4278         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4279         (mips_legitimize_const_move, print_operand_reloc)
4280         (mips_dangerous_for_la25_p): Use split_const instead of
4281         mips_split_const.
4282
4283 2007-02-28  Eric Christopher  <echristo@apple.com>
4284
4285         * Makefile.in (install-include-dir): Don't rm -rf include.
4286
4287 2007-02-28  Richard Guenther  <rguenther@suse.de>
4288
4289         PR middle-end/30364
4290         * fold-const.c (fold_binary): Do not associate expressions
4291         with more than one variable for integer types that do not wrap.
4292
4293 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4294
4295         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4296         Delete, and replace with...
4297         (fold_builtin_call_array): This.  Update callers to use it.
4298         * fold-const.c (fold_build_call_list): Delete, and replace with...
4299         (fold_build_call_array): This.
4300         (fold_build_call_list_initializer): Delete, and replace with...
4301         (fold_build_call_array_initializer): This.
4302         * tree.h: Update declarations to reflect above changes.
4303
4304         * c-typeck.c (build_function_call): Store converted arguments
4305         in a stack-allocated array instead of building a list.
4306         (convert_arguments): Store arguments in the array passed in as an
4307         argument, and return the actual number of arguments.
4308         * c-format.c: (check_function_format): Pass arguments in an
4309         array instead of a list.
4310         * c-common.c (check_function_nonnull): Likewise.
4311         (check_function_sentinel): Likewise.
4312         (check_function_arguments): Likewise.
4313         * c-common.h: Update declarations to reflect above changes.
4314
4315 2007-02-28  Jan Hubicka  <jh@suse.cz>
4316
4317         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4318         PRED_NEGATIVE_RETURN): Update outcomes.
4319
4320 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4321
4322         * calls.c (emit_library_call_value_1): Handle partial registers
4323         correctly when building up CALL_INSN_FUNCTION_USAGE.
4324
4325 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4326
4327         * pa/predicates.md (move_src_operand): Allow zero for mode.
4328         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4329         move pattern.
4330
4331 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4332
4333         PR target/30970
4334         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4335         *movv2df_internal): Enable pattern only for valid operand
4336         combinations.
4337         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4338         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4339
4340 2007-02-27  Mike Stump  <mrs@apple.com>
4341
4342         * config/darwin-crt3.c: Avoid compilation when compiling for a
4343         kext multilib.
4344
4345 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4346
4347         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4348         FIXED_INCLUDE_DIR.
4349         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4350         for fixed headers and limits.h.
4351         (install-include-dir, install-headers-tar, install-headers-cpio,
4352         install-headers-cp, real-install-headers-tar,
4353         real-install-headers-cpio, real-install-headers-cp): Handle
4354         include-fixed as well as include.
4355         (install-mkheaders): Don't install files that go only in include
4356         not include-fixed.
4357         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4358         from GCC_INCLUDE_DIR.
4359         * gcc.c (process_command): Remove special -BstageN/ handling.
4360         (do_spec_1): Add include-fixed directories.
4361
4362 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4363
4364         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4365         _smulsi3_highpart.
4366         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4367         New functions.
4368         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4369         patterns.
4370
4371 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4372
4373         * c-common.c (get_priority): Add check for
4374         SUPPORTS_INIT_PRIORITY.
4375
4376 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4377
4378         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4379
4380         * config/bfin/bfin.c: Include "cfglayout.h".
4381         (MAX_LSETUP_DISTANCE): New macro.
4382         (struct loop_info): New members incoming, incoming_src and
4383         incoming_dest.  Delete member predecessor.
4384         (length_for_loop): New function.
4385         (bfin_optimize_loop): Handle more different loop structures.
4386         (bfin_discover_loop): Rework detection of predecessor blocks by
4387         examining incoming edges.
4388         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4389         bfin_reorg_loops.
4390         (bfin_reorder_loops): New function.
4391         (bfin_reorg_loops): Use these three new functions.
4392
4393         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4394         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4395         (CONSTRAINT_LEN): Add entry for 'q'.
4396         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4397         Add 'q' constraints.
4398         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4399         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4400
4401         * config/bfin/bfin.md (add_with_carry): New pattern.
4402         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4403         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4404         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4405         support unsigned multiplies too.  Removed incorrect commutativity from
4406         operand 1 constraint where appropriate.
4407         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4408         patterns.
4409         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4410         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4411         New patterns.
4412         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4413         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4414         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4415         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4416         usmulhisi_hh_huh): New patterns.
4417
4418         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4419         lshifthi3): Fix output template to use half reg for operand 2.
4420
4421         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4422         instead of R2.
4423
4424         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4425
4426 2007-02-27  Andreas Schwab  <schwab@suse.de>
4427
4428         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4429
4430 2007-02-27  Jan Hubicka  <jh@suse.cz>
4431
4432         * predict.c (last_basic_block_p): Remove.
4433         (tree_estimate_probability): Update return heuristic for commonized
4434         return blocks.
4435
4436 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4437
4438         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4439
4440 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4441
4442         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4443         * doc/cpp.texi: Standardize title page.
4444         * doc/cppinternals.texi: Likewise.
4445         * doc/gcc.texi: Standardize title page, remove version number
4446         from copyright page.
4447         * doc/gccint.texi: Likewise.
4448         * doc/install.texi: Standardize title page, add table of
4449         contents.
4450
4451 2007-02-26  Jan Hubicka  <jh@suse.cz>
4452
4453         * predict.def: Set outcomes according to more recent results.
4454         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4455         Remove dead predictors.
4456         * predict.c (return_prediction): Fix pasto.
4457
4458 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4459
4460         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4461         change; avoid a memory leak when returning early.
4462
4463 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4464
4465         * c-decl.c (static_ctors): Move to c-common.c.
4466         (static_dtors): Likewise.
4467         (finish_function): Use c_record_cdtor_fn.
4468         (build_cdtor): Move to c-common.c.
4469         (c_write_global_declarations): Use c_build_cdtor_fns.
4470         * c-common.h (static_ctors): Declare.
4471         (static_dtors): Likewise.
4472         (c_record_cdtor_fn): Likewise.
4473         (c_build_cdtor_fns): Likewise.
4474         * c-common.c (static_ctors): New variable.
4475         (static_dtors): Likewise.
4476         (c_record_cdtor_fn): New function.
4477         (build_cdtor): Move from c-decl.c
4478         (c_build_cdtor_fns): New function.
4479
4480         * output.h (assemble_addr_to_section): Declare.
4481         (get_cdtor_priority_section): Likewise.
4482         * varasm.c (assemble_addr_to_section): New function.
4483         (get_cdtor_priority_section): Likewise.
4484         (default_named_section_asm_out_destructor): Use them.
4485         (destor_dtor_section_asm_out_destructor): Likewise.
4486         (default_named_section_asm_out_constructor): Likewise.
4487         (default_ctor_section_asm_out_constructor): Likewise.
4488         * config.gcc (*-*-vxworks*): Include vxworks.o.
4489         * config/t-vxworks (vxworks.o): New target.
4490         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4491         (TARGET_ASM_CONSTRUCTOR): Define.
4492         (TARGET_ASM_DESTRUCTOR): Likewise.
4493         (vxworks_asm_out_constructor): Declare.
4494         (vxworks_asm_out_destructor): Likewise.
4495
4496         * c-common.c (get_priority): Check that we have not just an
4497         INTEGER_CST, but an integer constant with integeral type.
4498
4499 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4500
4501         PR tree-optimization/30938
4502         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4503         use &dt[nargs-1] instead of &dt[nargs] in the call to
4504         vect_is_simple_use().
4505
4506 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4507
4508         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4509         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4510         Do not attempt to handle MEM inside auto-inc expressions.
4511         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4512         of a register modified by an auto-inc expression.  However, do handle
4513         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4514         (elimination_effects): Prohibit elimination of a register modified
4515         by an auto-inc expression.  Disable register elimination rules whose
4516         target register is modified by an auto-inc expression with variable
4517         increment.
4518
4519 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4520
4521         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4522         off-by-one error.
4523         (array_at_struct_end_p): New function.
4524         (idx_infer_loop_bounds): Use it.
4525         (estimate_numbers_of_iterations_loop): Export.
4526         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4527         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4528         (tree_estimate_probability): Call record_loop_exits.
4529         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4530         (estimated_loop_iterations, estimated_loop_iterations_int,
4531         estimated_loop_iterations_tree): New functions.
4532         (analyze_siv_subscript_cst_affine,
4533         compute_overlap_steps_for_affine_1_2,
4534         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4535         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4536         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4537         (PRED_LOOP_ITERATIONS_GUESSED): New.
4538         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4539         * cfgloop.h (estimate_numbers_of_iterations_loop,
4540         estimated_loop_iterations_int): Declare.
4541
4542 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4543
4544         * doc/extend.texi: Document optional priority argument to
4545         constructors and destructors.
4546         * tree.c (init_priority_for_decl): Adjust GTY markers.
4547         (init_ttree): Use priority-info hash functions for
4548         init_priority_for_decl.
4549         (tree_map_eq): Rename to ...
4550         (tree_map_base_eq): ... this.
4551         (tree_map_marked_p): Rename to ...
4552         (tree_map_base_marked_p): ... this.
4553         (tree_map_base_hash): New function.
4554         (decl_init_priority_lookup): Rework.
4555         (decl_fini_priority_lookup): New function.
4556         (decl_priority_info): New function.
4557         (decl_init_priority_insert): Use it.
4558         (decl_fini_priority_insert): Likewise.
4559         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4560         hierarchy.
4561         (decl_restrict_base_insert): Likewise.
4562         (decl_debug_expr_insert): Likewise.
4563         (decl_value_expr_lookup): Likewise.
4564         (decl_value_expr_insert): Likewise.
4565         * tree.h (priority_type): New type.
4566         (decl_init_priority_lookup): Use priority_type.
4567         (decl_fini_priority_lookup): New function.
4568         (decl_init_priority_insert): Use priority_type.
4569         (decl_fini_priority_insert): New function.
4570         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4571         (DECL_INIT_PRIORITY): Likewise.
4572         (SET_DECL_INIT_PRIORITY): Add comment.
4573         (DECL_FINI_PRIORITY): New macro.
4574         (SET_DECL_FINI_PRIORITY): Likewise.
4575         (DEFAULT_INIT_PRIORITY): Document.
4576         (MAX_INIT_PRIORITY): Likewise.
4577         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4578         (tree_map_base): New type.
4579         (tree_map_base_eq): New function.
4580         (tree_map_base_hash): Likewise.
4581         (tree_map_base_marked_p): Likewise.
4582         (tree_map): Inherit from tree_map_base.
4583         (tree_map_eq): Make it a macro.
4584         (tree_map_marked_p): Likewise.
4585         (tree_int_map): Inherit from tree_map_base.
4586         (tree_int_map_eq): Make it a macro.
4587         (tree_int_map_hash): Likewise.
4588         (tree_int_map_marked_p): Likewise.
4589         (tree_priority_map): New type.
4590         (tree_priority_map_eq): New macro.
4591         (tree_priority_map_hash): Likewise.
4592         (tree_priority_map_marked_p): Likewise.
4593         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4594         hierarchy.
4595         (emutls_common_1): Likewise.
4596         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4597         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4598         of tree_map hierarchy.
4599         * tree-cfg.c (move_stmt_r): Likewise.
4600         (new_label_mapper): Likewise.
4601         * c-tree.h (c_expand_body): Move to ...
4602         * c-common.h (c_expand_body): ... here.
4603         * c-decl.c (c_expand_body): Move to ...
4604         * c-common.c (c_expand_body): ... here.
4605         (c_common_attribute_table): Allow 1 argument for the constructor
4606         and destructor attributes.
4607         (get_priority): New function.
4608         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4609         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4610
4611 2007-02-24  Jan Hubicka  <jh@suse.cz>
4612
4613         PR middle-end/30509
4614         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4615
4616 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4617             Jan Hubicka  <jh@suse.cz>
4618
4619         PR target/30778
4620         * i386.c (counter_mode): New function.
4621         (expand_set_or_movmem_via_loop): Use it.
4622         (expand_movmem_epilogue): Likewise; fix pasto.
4623         (ix86_expand_movmem): Do emit guard even for constant counts.
4624         (ix86_expand_setmem): Likewise.
4625
4626 2007-02-25  Nick Clifton  <nickc@redhat.com>
4627
4628         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4629         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4630
4631 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4632
4633         PR target/30770
4634         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4635         count argument with 0x10, not with 0x16.
4636         (expand_setmem_epilogue): Ditto.
4637
4638 2007-02-24  Mike Stump  <mrs@apple.com>
4639
4640         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4641         symbols.
4642
4643 2007-02-24  Richard Guenther  <rguenther@suse.de>
4644
4645         PR middle-end/30951
4646         * fold-const.c (fold_binary): Fold x +- CST op x for
4647         EQ_EXPR and NE_EXPR.
4648
4649 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4650
4651         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4652
4653 2007-02-24  Jan Hubicka  <jh@suse.cz>
4654
4655         * cgraphunit.c (decide_is_function_needed): Honor
4656         -fkeep-inline-functions.
4657
4658 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4659
4660         * builtins.c (fold_builtin_modf): New.
4661         (fold_builtin_2): Use it.
4662
4663 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4664
4665         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4666         (determine_max_iter): Take additional LOOP arg; all callers changed.
4667         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4668         one using simplifications.
4669         (simplify_using_initial_values): Return if the expression becomes
4670         invalid due to altered regs.
4671
4672 2007-02-23  DJ Delorie  <dj@redhat.com>
4673
4674         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4675
4676 2007-02-23  Mike Stump  <mrs@apple.com>
4677
4678         * tlink.c (scan_linker_output): Parse linker messages from
4679         darwin9's linker better.
4680
4681 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4682
4683         PR debug/29614
4684         * varpool.c (varpool_assemble_pending_decls):  Set
4685         varpool_last_needed_node to null.
4686
4687 2007-02-23  DJ Delorie  <dj@redhat.com>
4688
4689         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4690         alignment bigger than the object file can handle.
4691
4692 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4693
4694         PR target/30825
4695         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4696         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4697         (*movsf_1): Penalize MMX moves.
4698
4699 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4700
4701         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4702         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4703
4704         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4705
4706 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4707
4708         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4709         (fold_builtin_1): Use them.
4710         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4711         BUILT_IN_SIGNIFICAND.
4712
4713 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4714
4715         * config/i386/i386.c (bdesc_1arg): Initialize
4716         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4717         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4718         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4719         and IX86_BUILTIN_MOVSLDUP.
4720
4721 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4722
4723         PR rtl-optimization/30841
4724         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4725
4726 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4727
4728         * builtins.c (fold_builtin_frexp): New.
4729         (fold_builtin_2): Use it.
4730
4731 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4732
4733         * doc/invoke.texi (Spec Files): Document getenv spec function.
4734
4735         * gcc.c (getenv_spec_function): New function.
4736         (static_spec_functions): Add it.
4737         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4738         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4739         header files.
4740
4741 2007-02-22  Michael Matz  <matz@suse.de
4742
4743         PR c++/29433
4744         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4745         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4746
4747 2007-02-22  Ian Lance Taylor  <iant@google.com>
4748
4749         PR debug/30898
4750         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4751         (mem_loc_descriptor): Call it.
4752
4753 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4754             Ira Rosen  <irar@il.ibm.com>
4755
4756         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4757
4758 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4759
4760         PR tree-optimization/30843
4761         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4762         stores only after all the group is vectorized.
4763
4764 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4765
4766         PR tree-optimization/30858
4767         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4768         in the reduction cycle have a single use in the loop.
4769         * tree-vectorizer.h (relevant): Add documentation.
4770
4771 2007-02-20  Mike Stump  <mrs@apple.com>
4772
4773         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4774         * configure: Regenerate.
4775
4776 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4777
4778         Change the defaults of some parameters and options.
4779         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4780         * config/spu/spu.c (spu_optimization_options): Add.
4781         (spu_override_options): Change params in spu_optimization_options.
4782         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4783
4784         Register 127 is only 16 byte aligned when used as a frame pointer.
4785         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4786         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4787         HARD_FRAME_POINTER_REGNUM.
4788         (spu_legitimate_address):  Use regno_aligned_for_reload.
4789         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4790         aligned when frame_pointer_needed is true.
4791         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4792         to 8 bits.
4793         * config/spu/spu.h (INIT_EXPANDERS): Define.
4794
4795         Make sure shift and rotate instructions have valid immediate operands.
4796         * config/spu/predicates.md (spu_shift_operand): Remove.
4797         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4798         * config/spu/constraints.md (W, O): Extend range.
4799         * config/spu/spu.md (umask, nmask): Define.
4800         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4801         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4802         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4803         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4804         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4805         (lshr<mode>3_reg):  Fix rtl description.
4806
4807         Make sure mulhisi immediate operands are valid.
4808         * config/spu/predicates.md (imm_K_operand): Add.
4809         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4810
4811         Generate constants using fsmbi and andi.
4812         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4813         (print_operand, spu_split_immediate, classify_immediate,
4814         fsmbi_const_p): Handle IC_FSMBI2.
4815
4816         Correctly handle a CONST_VECTOR containing symbols.
4817         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4818         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4819         (immediate_load_p): Allow symbols that use 2 instructions to create.
4820         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4821         with symbols when flag_pic is set.
4822         (const_vector_immediate_p): New.
4823         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4824         accept a CONST_VECTOR with symbols.
4825         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4826         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4827         correctly.
4828         * config/spu/spu.md (high, low): Delete.
4829         (low_<mode>): Define.
4830
4831         Remove INTRmode and INTR_REGNUM, which didn't work.
4832         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4833         of INTR_REGNUM.
4834         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4835         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4836         peephole2 pattern): Don't use INTR or 131.
4837         (movintrcc): Delete.
4838         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4839         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4840         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4841         (UNSPEC_SET_INTR): Add.
4842         * config/spu/spu-modes.def (INTR): Remove.
4843
4844         More accurate warnings about run-time relocations.
4845         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4846
4847         Correctly warn about immediate arguments to specific intrinsics.
4848         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4849         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4850         the instruction predicate.
4851
4852         Fix tree check errors with latest update.
4853         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4854         CALL_EXPR_ARG.
4855         (spu_expand_builtin): Use CALL_EXPR_FN.
4856
4857         Add missing specific intrinsics.
4858         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4859         si_bislede.
4860         * config/spu/spu_internals.h: Ditto.
4861
4862         Fix incorrect operand modifiers.
4863         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4864         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4865
4866         Optimize one case of zero_extend of a vec_select.
4867         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4868
4869         Accept any immediate for hbr.
4870         * config/spu/spu.md (hbr):  Change s constraints to i.
4871
4872 2007-02-21  Paul Brook  <paul@codesourcery.com>
4873
4874         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4875         condexec_count when skipping USE and CLOBBER.
4876
4877 2007-02-21  Nick Clifton  <nickc@redhat.com>
4878
4879         * common.opt (Warray-bounds): Add Warning attribute.
4880         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4881         Likewise.
4882         (fsized-zeroes): Add Optimization attribute.
4883         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4884         * c.opt (Wc++0x-compat): Add Warning attribute.
4885
4886 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4887
4888         PR middle-end/30761
4889         * reload1.c (eliminate_regs_in_insn): In the single_set special
4890         case, attempt to re-recognize the insn before falling back to
4891         having reload fix it up.
4892
4893 2007-02-20  Eric Christopher  <echristo@gmail.com>
4894
4895         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4896         Rewrite accordingly.
4897         (frv_read_iacc_argument): Ditto.
4898         (frv_expand_set_builtin): Take a call instead of arglist, update for
4899         above changes.
4900         (frv_expand_unop_builtin): Ditto.
4901         (frv_expand_binop_builtin): Ditto.
4902         (frv_expand_cut_builtin): Ditto.
4903         (frv_expand_binopimm_builtin): Ditto.
4904         (frv_expand_voidbinop_builtin): Ditto.
4905         (frv_expand_int_void2arg): Ditto.
4906         (frv_expand_prefetches): Ditto.
4907         (frv_expand_voidtriop_builtin): Ditto.
4908         (frv_expand_voidaccop_builtin): Ditto.
4909         (frv_expand_load_builtin): Ditto.
4910         (frv_expand_store_builtin): Ditto.
4911         (frv_expand_mdpackh_builtin): Ditto.
4912         (frv_expand_mclracc_builtin): Ditto.
4913         (frv_expand_mrdacc_builtin): Ditto.
4914         (frv_expand_mwtacc_builtin): Ditto.
4915         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4916         calls for above.
4917
4918 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4919
4920         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4921         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4922         cmpb instruction.
4923         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4924         point instructions.
4925         * configure: Regenerate.
4926         * config.in: Regenerate.
4927         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4928         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4929         masks to power6 and power6x and to POWERPC_MASKS.
4930         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4931         _ARCH_PWR6.
4932         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4933         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4934         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4935         Access PROTOTYPE as variable, not mask.
4936
4937 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4938
4939         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4940         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4941         * combine.c (adjust_for_new_dest): Use it.
4942         * postreload.c (reload_combine): Likewise.
4943
4944 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4945
4946         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4947         notes on an insn with multiple sets, even if single_set returns
4948         non-NULL for that insn.
4949
4950 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4951
4952         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4953         scalbn and scalbln.
4954
4955 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4956
4957         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4958         if user didn't pass it.
4959         * config/i386/darwin.h (CC1_SPEC): Likewise.
4960         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4961         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4962         -mmacosx-version-min.
4963
4964 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4965             Uros Bizjak  <ubizjak@gmail.com>
4966
4967         * optabs.h (enum optab_index): Add new OTI_scalb.
4968         (scalb_optab): Define corresponding macro.
4969         * optabs.c (init_optabs): Initialize scalb_optab.
4970         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4971         patterns.
4972         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4973         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4974         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4975         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4976         flag_unsafe_math_optimizations is set.
4977
4978         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4979         to implement scalbf, scalb and scalbl built-ins as inline x87
4980         intrinsics.
4981
4982 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4983             DJ Delorie <dj@redhat.com>
4984
4985         PR other/30824
4986         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4987         (diagnostic_report_diagnostic): ... here, and turn them into real
4988         errors. If warnings are inhibited, no need to do anything.
4989
4990 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4991
4992         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4993         better code generation.
4994
4995 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4996
4997         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4998
4999 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5000
5001         * config/alpha/alpha.c, config/alpha/alpha.md,
5002         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5003         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5004         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5005         config/arm/lib1funcs.asm: Follow spelling conventions.
5006
5007         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5008         config/fr30/fr30.md, config/i386/i386.h,
5009         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5010         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5011         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5012         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5013         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5014         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5015         config/sparc/sparc.c, config/sparc/sparc.h,
5016         config/sparc/sparc.md, config/spu/constraints.md,
5017         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5018         conventions.
5019
5020 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5021
5022         PR target/29943
5023         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5024         alias attribute.
5025
5026 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5027
5028         * doc/invoke.texi (-ftree-lrs): Remove.
5029
5030 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5031
5032         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5033         NULL.
5034
5035 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5036
5037         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5038         new CALL_EXPR_FN macro for retrieving the function
5039         declaration of the input expression.
5040
5041 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5042
5043         * c.opt (Waddress): New.
5044         * common.opt (Walways-true): Delete.
5045         (Wstring-literal-comparison): Delete.
5046         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5047         -Wstring-literal-comparison. Add -Waddress.
5048         (Waddress): New.
5049         (Walways-true): Delete.
5050         (Wstring-literal-comparison): Delete.
5051         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5052         consistently instead of -Walways-true in example.
5053         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5054         * c-typeck.c (parser_build_binary_op): Replace
5055         -Wstring-literal-comparison and -Walways-true with -Waddress.
5056         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5057         with -Waddress.
5058
5059 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5060
5061         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5062         without DECL_STRUCT_FUNCTION initialized.
5063
5064 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5065
5066         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5067         due to calls to functions taking pointers as parameters.
5068
5069 2007-02-19  Richard Henderson  <rth@redhat.com>
5070
5071         PR debug/29558
5072         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5073         in memory.
5074
5075 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5076
5077         * config/s390/s390.c (s390_call_saved_register_used,
5078         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5079         accessed to the new scheme.
5080
5081 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5082
5083         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5084         (cris_print_index, cris_print_operand, cris_print_operand_address)
5085         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5086         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5087         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5088         GET_CODE () == xxx.
5089         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5090         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5091         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5092         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5093         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5094         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5095         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5096         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5097         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5098         (uminsi3, call, call_value): Ditto.
5099         (define_split: indir_to_reg_split, unnamed): Ditto.
5100
5101 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5102
5103         PR tree-optimization/30975
5104         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5105         wrong assert.
5106
5107 2007-02-18  Eric Christopher  <echristo@gmail.com>
5108
5109         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5110         Remove use of arglist.
5111         (mips_expand_builtin): Remove use of arglist, pass in expr.
5112         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5113         (mips_expand_builtin_movtf): Ditto.
5114         (mips_expand_builtin_compare): Ditto.
5115
5116 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5117
5118         * tree-sra.c (sra_build_assignment): Replace assertion
5119         checking with a comment explaining why it can't be done.
5120
5121 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5122
5123         PR middle-end/30833
5124         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5125         during CALL_EXPR representation conversion.
5126         * tree-ssa-propagate.c (set_rhs): Likewise.
5127
5128 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5129
5130         * tree-sra.c (sra_build_assignment): Disable assertion checking
5131         for now.
5132
5133 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5134
5135         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5136         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5137         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5138         Likewise.
5139         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5140         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5141         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5142         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5143         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5144         force_gimple_operand): Likewise.
5145         * ipa-cp.c (constant_val_insert): Likewise.
5146         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5147         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5148         perfect_nestify): Likewise.
5149         * langhooks.c (lhd_omp_assignment): Likewise.
5150         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5151         lower_copyprivate_clauses, lower_send_clauses,
5152         lower_send_shared_vars, expand_parallel_call,
5153         expand_omp_for_generic, expand_omp_for_static_nochunk,
5154         expand_omp_for_static_chunk, expand_omp_sections,
5155         lower_omp_single_copy, lower_omp_for_lastprivate,
5156         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5157         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5158         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5159         Likewise.
5160
5161 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5162
5163         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5164         config/sh/sh.md: Follow spelling conventions.
5165
5166         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5167         config/frv/predicates.md: Follow spelling conventions.
5168
5169         * config/m68k/linux-unwind.h: Fix a comment typo.
5170         * target.h: Follow spelling conventions.
5171
5172 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5173
5174         PR rtl-optimization/28173
5175         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5176         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5177         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5178         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5179         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5180
5181 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5182
5183         * builtins.c (fold_builtin_load_exponent): New.
5184         (fold_builtin_2): Use it.
5185
5186 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5187
5188         PR rtl-optimization/30773
5189         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5190         if we fail to attach a REG_EQUIV note.
5191
5192 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5193             Roger Sayle  <roger@eyesopen.com>
5194
5195         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5196
5197 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5198
5199         * calls.c (initialize_argument_information): Pass original EXP
5200         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5201         code to split complex arguments here, as part of initializing the
5202         ARGS array.
5203         (expand_call): Remove code that builds a list of arguments and
5204         inserts implicit arguments into it.  Instead, just count how many
5205         implicit arguments there will be so we can determine the size of
5206         the ARGS array, and let initialize_argument_information do the work.
5207         (split_complex_values): Delete unused function.
5208
5209 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5210
5211         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5212
5213 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5214
5215         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5216         for arg pointer based indexed addressing.
5217
5218 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5219
5220         * config/ia64/ia64.h, config/ia64/ia64.md,
5221         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5222         spelling conventions.
5223
5224 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5225
5226         * config/m68k/m68k.c (split_di): New.
5227         * config/m68k/m68k-protos.h: Declare split_di.
5228         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5229           Improve predicate handling and split constant shifts.
5230
5231 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5232
5233         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5234         parameter for register bitfield operations, general predicates
5235         cleanup
5236
5237 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5238
5239         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5240         * config/m68k/linux-unwind.h: New file.
5241
5242 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5243
5244         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5245         config/i386/athlon.md, config/ia64/ia64.md,
5246         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5247         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5248         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5249         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5250         tree-vect-transform.c: Fix comment typos.
5251
5252 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5253
5254         * sched-deps.c (find_insn_list): Remove.
5255         * sched-int.h: Remove the prototype for find_insn_list.
5256
5257 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5258
5259         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5260         to linker.
5261         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5262         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5263         darwin_rs6000_override_options.
5264         (C_COMMON_OVERRIDE_OPTIONS): Expect
5265         darwin_macosx_version_min to be non-NULL always.
5266         (TARGET_C99_FUNCTIONS): Likewise.
5267         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5268         (DARWIN_MINVERSION_SPEC): New.
5269         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5270         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5271         to cc1*.
5272         (DARWIN_MINVERSION_SPEC): New.
5273         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5274         value.
5275         * config/darwin-c.c (darwin_cpp_builtins): Expect
5276         darwin_macosx_version_min to be non-NULL always.
5277
5278         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5279
5280 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5281
5282         * config/i386/i386.h (x86_use_xchgb): New.
5283         (TARGET_USE_XCHGB): New macro.
5284         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5285         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5286         Split after reload into bswaphi for shifts of 8.
5287         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5288         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5289         or when optimizing for size.
5290
5291 2007-02-16  Richard Guenther  <rguenther@suse.de>
5292             Christian Bruel  <christian.bruel@st.com>
5293
5294         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5295         DECLs but prefer SSA_NAMEs over DECLs.
5296
5297 2007-02-16  Richard Guenther  <rguenther@suse.de>
5298
5299         * tree-flow-inline.h (single_imm_use_p): Remove.
5300         (zero_imm_uses_p): Likewise.
5301         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5302         instead of single_imm_use_p.
5303         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5304         zero_imm_uses_p.
5305
5306 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5307
5308         PR other/27843
5309         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5310         nested double- and backquotes.
5311
5312 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5313
5314         PR middle-end/30391
5315         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5316         should be unreachable.
5317         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5318         For the time being redirect GIMPLE_MODIFY_STMT to the new
5319         (renamed) build_gimple_modify_stmt_stat.
5320         (build2_gimple_stat): Rename to...
5321         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5322         Always build a GIMPLE_MODIFY_STMT node.
5323         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5324         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5325         declarations.
5326
5327         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5328         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5329         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5330         expand_complex_div_wide): Likewise.
5331         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5332         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5333         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5334         * tree-ssa-loop-manip.c (create_iv): Likewise.
5335         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5336         abs_replacement): Likewise.
5337         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5338         realify_fake_stores): Likewise.
5339
5340         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5341         node rather than a GIMPLE_MODIFY_STMT node.
5342         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5343         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5344         Likewise.
5345         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5346         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5347         GIMPLE_MODIFY_STMT.
5348
5349 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5350
5351         PR middle-end/30433
5352         * fold-const.c (fold_comparison): Add back the
5353         folding of constant complex comparisions.
5354
5355 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5356
5357         PR middle-end/30729
5358         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5359         effects unknown to this function, return early.
5360
5361 2007-02-15  Ian Lance Taylor  <iant@google.com>
5362
5363         * lower-subreg.c (move_eh_region_note): New static function.
5364         (resolve_simple_move): Call it.
5365         (decompose_multiword_subregs): Track blocks for which we resolve a
5366         simple move which is also a control flow insn.  Pass them to
5367         find_many_sub_basic_blocks.
5368         (pass_lower_subreg): Add TODO_verify_flow.
5369         (pass_lower_subreg2): Likewise.
5370
5371 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5372             Brooks Moses  <brooks.moses@codesourcery.com>
5373             Lee Millward  <lee.millward@codesourcery.com>
5374
5375         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5376         (VL_EXP_CLASS_P): New.
5377         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5378         TREE_CODE_LENGTH.
5379         (TREE_OPERAND_CHECK_CODE): Likewise.
5380         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5381         (TREE_RTL_OPERAND_CHECK): Likewise.
5382         (tree_operand_check_failed): Make second parameter the whole tree
5383         instead of its code.  Fixed callers.
5384         (VL_EXP_CHECK): New.
5385         (TREE_OPERAND_LENGTH): New.
5386         (VL_EXP_OPERAND_LENGTH): New.
5387         (CALL_EXPR_FN): New.
5388         (CALL_EXPR_STATIC_CHAIN): New.
5389         (CALL_EXPR_ARGS): New.
5390         (CALL_EXPR_ARG): New.
5391         (call_expr_nargs): New.
5392         (CALL_EXPR_ARGP): New.
5393         (build_nt_call_list): Declare.
5394         (build_vl_exp_stat): Declare.
5395         (build_vl_exp): New.
5396         (build_call_list): Declare.
5397         (build_call_nary): Declare.
5398         (build_call_valist): Declare.
5399         (build_call_array): Declare.
5400         (call_expr_arg): Declare.
5401         (call_expr_argp): Declare.
5402         (call_expr_arglist): Declare.
5403         (fold_build_call_list): Declare.
5404         (fold_build_call_list_initializer): Declare.
5405         (fold_call_expr): Declare to replace fold_builtin.
5406         (fold_builtin_fputs): Update to agree with modified definition.
5407         (fold_builtin_strcpy): Likewise.
5408         (fold_builtin_strncpy): Likewise.
5409         (fold_builtin_memory_chk): Likewise.
5410         (fold_builtin_stxcpy_chk): Likewise.
5411         (fold_builtin_strncpy_chk): Likewise.
5412         (fold_builtin_next_arg): Likewise.
5413         (fold_build_call_expr): Declare.
5414         (fold_builtin_call_list): Declare.
5415         (fold_builtin_call_valist): Declare.
5416         (build_call_expr): Declare.
5417         (validate_arglist): Update to agree with modified definition.
5418         (tree_operand_length): New.
5419         (call_expr_arg_iterator): New.
5420         (init_call_expr_arg_iterator): New.
5421         (next_call_expr_arg): New.
5422         (first_call_expr_arg): New.
5423         (more_call_expr_args_p): New.
5424         (FOR_EACH_CALL_EXPR_ARG): New.
5425
5426         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5427         and tcc_gimple_stmt.
5428         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5429         than sizeof (char *).
5430         (tree_size): Likewise.  Add case for tcc_vl_exp.
5431         (tree_node_structure): Add case for tcc_vl_exp.
5432         (contains_placeholder_p): Likewise.
5433         (substitute_in_expr): Likewise.
5434         (substitute_placeholder_in_expr): Likewise.
5435         (stabilize_reference_1): Likewise.
5436         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5437         to diagnose breakage of this interface for constructing CALL_EXPRs.
5438         (build_nt): Add similar assertion here.
5439         (build_nt_call_list): New.
5440         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5441         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5442         TREE_CODE_LENGTH.
5443         (get_callee_fndecl): Use new CALL_EXPR accessors.
5444         (tree_operand_check_failed): Change parameters to pass entire node
5445         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5446         (process_call_operands): New.
5447         (build_vl_exp_stat): New.
5448         (build_call_list): New.
5449         (build_call_nary): New.
5450         (build_call_valist): New.
5451         (build_call_array): New.
5452         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5453         (call_expr_arglist): New.
5454
5455         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5456         tcc_vl_exp instead of a fixed-size tcc_expression.
5457
5458         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5459         accessors for CALL_EXPRs.
5460         (AGGR_INIT_EXPR): Likewise.
5461
5462 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5463             Brooks Moses  <brooks.moses@codesourcery.com>
5464             Lee Millward  <lee.millward@codesourcery.com>
5465
5466         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5467         (expand_builtin_nonlocal_goto): Change parameter to be entire
5468         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5469         (expand_builtin_prefetch): Likewise.
5470         (expand_builtin_classify_type): Likewise.
5471         (mathfn_built_in): Return NULL_TREE instead of 0.
5472         (expand_errno_check): Use new CALL_EXPR accessors.
5473         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5474         Return NULL_RTX instead of 0.
5475         (expand_builtin_mathfn_2): Likewise.
5476         (expand_builtin_mathfn_3): Likewise.
5477         (expand_builtin_interclass_mathfn): Likewise.
5478         (expand_builtin_sincos): Likewise.
5479         (expand_builtin_cexpi): Likewise.
5480         (expand_builtin_int_roundingfn): Likewise.
5481         (expand_builtin_int_roundingfn_2): Likewise.
5482         (expand_builtin_pow): Likewise.
5483         (expand_builtin_powi): Likewise.
5484         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5485         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5486         accessors and constructors.  Return NULL_RTX instead of 0.
5487         (expand_builtin_strstr): Likewise.
5488         (expand_builtin_strchr): Likewise.
5489         (expand_builtin_strrchr): Likewise.
5490         (expand_builtin_strpbrk): Likewise.
5491         (expand_builtin_memcpy): Likewise.
5492         (expand_builtin_mempcpy): Likewise.
5493         (expand_builtin_mempcpy_args): New.
5494         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5495         (expand_builtin_memmove_args): New.
5496         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5497         (expand_movstr): Likewise.
5498         (expand_builtin_strcpy): Likewise.
5499         (expand_builtin_strcpy_args): New.
5500         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5501         (expand_builtin_strncpy): Likewise.
5502         (expand_builtin_memset): Likewise.
5503         (expand_builtin_memset_args): New.
5504         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5505         (expand_builtin_memcmp): Likewise.
5506         (expand_builtin_strcmp): Likewise.
5507         (expand_builtin_strncmp): Likewise.
5508         (expand_builtin_strcat): Likewise.
5509         (expand_builtin_strncat): Likewise.
5510         (expand_builtin_strspn): Likewise.
5511         (expand_builtin_strcspn): Likewise.
5512         (expand_builtin_args_info): Likewise.
5513         (expand_builtin_va_start): Likewise.
5514         (gimplify_va_arg_expr): Likewise.
5515         (expand_builtin_va_end): Likewise.
5516         (expand_builtin_va_copy): Likewise.
5517         (expand_builtin_frame_address): Likewise.
5518         (expand_builtin_alloca): Likewise.
5519         (expand_builtin_bswap): Likewise.
5520         (expand_builtin_unop): Likewise.
5521         (expand_builtin_fputs): Likewise.
5522         (expand_builtin_expect): Likewise.
5523         (expand_builtin_fabs): Likewise.
5524         (expand_builtin_copysign): Likewise.
5525         (expand_builtin_printf): Likewise.
5526         (expand_builtin_fprintf): Likewise.
5527         (expand_builtin_sprintf): Likewise.
5528         (expand_builtin_init_trampoline): Likewise.
5529         (expand_builtin_signbit): Likewise.
5530         (expand_builtin_fork_or_exec): Likewise.
5531         (expand_builtin_sync_operation): Likewise.
5532         (expand_builtin_compare_and_swap): Likewise.
5533         (expand_builtin_lock_test_and_set): Likewise.
5534         (expand_builtin_lock_release): Likewise.
5535         (expand_builtin): Likewise.
5536         (builtin_mathfn_code): Likewise.
5537
5538         (fold_builtin_constant_p): Pass call arguments individually instead
5539         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5540         accessors and constructors.  Return NULL_TREE instead of 0.
5541         (fold_builtin_expect): Likewise.
5542         (fold_builtin_classify_type): Likewise.
5543         (fold_builtin_strlen): Likewise.
5544         (fold_builtin_nan): Likewise.
5545         (integer_valued_real_p): Likewise.
5546         (fold_trunc_transparent_mathfn): Likewise.
5547         (fold_fixed_mathfn): Likewise.
5548         (fold_builtin_cabs): Likewise.
5549         (fold_builtin_sqrt): Likewise.
5550         (fold_builtin_cbrt): Likewise.
5551         (fold_builtin_cos): Likewise.
5552         (fold_builtin_cosh): Likewise.
5553         (fold_builtin_tan): Likewise.
5554         (fold_builtin_sincos): Likewise.
5555         (fold_builtin_cexp): Likewise.
5556         (fold_builtin_trunc): Likewise.
5557         (fold_builtin_floor): Likewise.
5558         (fold_builtin_ceil): Likewise.
5559         (fold_builtin_round): Likewise.
5560         (fold_builtin_int_roundingfn): Likewise.
5561         (fold_builtin_bitop): Likewise.
5562         (fold_builtin_bswap): Likewise.
5563         (fold_builtin_logarithm): Likewise.
5564         (fold_builtin_hypot): Likewise.
5565         (fold_builtin_pow): Likewise.
5566         (fold_builtin_powi): Likewise.
5567         (fold_builtin_exponent): Likewise.
5568         (fold_builtin_memset): Likewise.
5569         (fold_builtin_bzero): Likewise.
5570         (fold_builtin_memory_op): Likewise.
5571         (fold_builtin_bcopy): Deleted; call site changed to invoke
5572         fold_builtin_memory_op directly.
5573         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5574         (fold_builtin_strncpy): Likewise.
5575         (fold_builtin_memcmp): Likewise.
5576         (fold_builtin_strcmp): Likewise.
5577         (fold_builtin_strncmp): Likewise.
5578         (fold_builtin_signbit): Likewise.
5579         (fold_builtin_copysign): Likewise.
5580         (fold_builtin_isascii): Likewise.
5581         (fold_builtin_toascii): Likewise.
5582         (fold_builtin_isdigit): Likewise.
5583         (fold_builtin_fabs): Likewise.
5584         (fold_builtin_abs): Likewise.
5585         (fold_builtin_fmin_fmax): Likewise.
5586         (fold_builtin_carg): Likewise.
5587         (fold_builtin_classify): Likewise.
5588         (fold_builtin_unordered_cmp): Likewise.
5589
5590         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5591         New functions split out from fold_builtin_1.
5592         (fold_builtin_n): New.
5593         (fold_builtin_varargs): New.
5594         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5595         instead.
5596         (fold_call_expr): New.
5597         (build_function_call_expr): Rewrite to use new helper function.
5598         (fold_builtin_call_list): New.
5599         (build_call_expr): New.
5600         (fold_builtin_call_valist): New.
5601         (rewrite_call_expr): New.
5602         (validate_arg): New.
5603         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5604         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5605         accessors.
5606
5607         (fold_builtin_strstr):  Pass call arguments individually instead
5608         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5609         accessors and constructors.  Return NULL_TREE instead of 0.
5610         (fold_builtin_strchr): Likewise.
5611         (fold_builtin_strrchr): Likewise.
5612         (fold_builtin_strpbrk): Likewise.
5613         (fold_builtin_strcat): Likewise.
5614         (fold_builtin_strncat): Likewise.
5615         (fold_builtin_strspn): Likewise.
5616         (fold_builtin_strcspn): Likewise.
5617         (fold_builtin_fputs): Likewise.
5618         (fold_builtin_next_arg): Likewise.
5619         (fold_builtin_sprintf): Likewise.
5620
5621         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5622         NULL_RTX instead of 0.
5623         (expand_builtin_memory_chk): Likewise.
5624         (maybe_emit_chk_warning): Likewise.
5625         (maybe_emit_sprintf_chk_warning): Likewise.
5626
5627         (fold_builtin_object_size): Pass call arguments individually instead
5628         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5629         accessors and constructors.  Return NULL_TREE instead of 0.
5630         (fold_builtin_memory_chk): Likewise.
5631         (fold_builtin_stxcpy_chk): Likewise.
5632         (fold_builtin_strncpy_chk): Likewise.
5633         (fold_builtin_strcat_chk): Likewise.
5634         (fold_builtin_strcat_chk): Likewise.
5635         (fold_builtin_strncat_chk): Likewise.
5636         (fold_builtin_sprintf_chk): Likewise.
5637         (fold_builtin_snprintf_chk): Likewise.
5638         (fold_builtin_printf): Likewise.
5639         (fold_builtin_vprintf): Likewise.
5640
5641         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5642         constructors.
5643         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5644         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5645         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5646         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5647         (fold_unary): Likewise.
5648         (fold_binary): Likewise.
5649         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5650         ternary expressions.
5651         (fold): Add logic for tcc_vl_exp.
5652         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5653         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5654         (fold_build3_stat): Add assertion to flag broken interface for
5655         constructing CALL_EXPRs.
5656         (fold_build_call_list): New.
5657         (fold_build_call_list_initializer): New.
5658         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5659         constructors.
5660         (fold_strip_sign_ops): Likewise.
5661
5662 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5663             Brooks Moses  <brooks.moses@codesourcery.com>
5664             Lee Millward  <lee.millward@codesourcery.com>
5665
5666         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5667         accessors and dump arguments explicitly.
5668
5669         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5670         TREE_CODE_LENGTH.
5671         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5672         explicitly.
5673         (print_call_name): Use new CALL_EXPR accessors.
5674
5675         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5676         CALL_EXPR arguments explicitly instead of as a list.  Use
5677         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5678
5679         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5680         (vrp_visit_stmt): Likewise.
5681
5682         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5683         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5684         TREE_CODE_LENGTH.
5685         (force_move_till_expr): Likewise.
5686
5687         * targhooks.c (default_external_stack_protect_fail): Use
5688         build_call_expr instead of build_function_call_expr.
5689         (default_hidden_stack_protect_fail): Likewise.
5690
5691         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5692         build the call.
5693
5694         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5695         and walk arguments explicitly.
5696
5697         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5698         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5699         (expand_simple_operations): Likewise.
5700         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5701
5702         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5703         of TREE_CODE_LENGTH.
5704         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5705
5706         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5707         instead of TREE_CODE_LENGTH.
5708
5709         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5710         (tree_ic_transform): Likewise.
5711         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5712         parameter instead of arglist.  Fix callers.
5713         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5714         (tree_stringops_transform): Likewise.
5715         (tree_indirect_call_to_profile): Likewise.
5716         (tree_stringops_values_to_profile): Likewise.
5717
5718         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5719         (eliminate_tail_call): Likewise.
5720
5721         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5722
5723         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5724         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5725         operands.
5726         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5727
5728         * omp-low.c (build_omp_barrier): Use build_call_expr.
5729         (lower_rec_input_clauses): Likewise.
5730         (lower_reduction_clauses): Likewise.
5731         (expand_parallel_call): Likewise.
5732         (maybe_catch_exception): Likewise.
5733         (expand_omp_for_generic): Likewise.
5734         (expand_omp_for_static_nochunk): Likewise.
5735         (expand_omp_sections): Likewise.
5736         (lower_omp_single_simple): Likewise.
5737         (lower_omp_single_copy): Likewise.
5738         (lower_omp_master): Likewise.
5739         (lower_omp_ordered): Likewise.
5740         (lower_omp_critical): Likewise.
5741
5742         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5743         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5744
5745         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5746         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5747         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5748
5749         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5750         and generalize to handle any number of operands.
5751         (chrec_contains_undetermined): Likewise.
5752         (tree_contains_chrecs): Likewise.
5753         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5754
5755         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5756
5757         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5758         fold_call_expr instead of fold_builtin.
5759         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5760         match declarations there.
5761         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5762         updates.
5763
5764         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5765         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5766
5767         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5768         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5769
5770         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5771         accessors.
5772
5773         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5774         (execute_cse_sincos): Use new CALL_EXPR accessors.
5775
5776         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5777
5778         * gimple-low.c (lower_function_body): Use build_call_expr.
5779         (lower_builtin_setjmp): Likewise.
5780
5781         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5782         (set_storage_via_libcall): Likewise.
5783         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5784         instead of TREE_CODE_LENGTH.
5785         (expand_expr_real_1): Use new CALL_EXPR accessors.
5786
5787         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5788         generalize to handle any number of operands.
5789         (TB_parent_eq): Likewise.
5790
5791         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5792         (strip_builtin_expect): Likewise.
5793
5794         * function.c (gimplify_parameters): Use build_call_expr.
5795
5796         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5797         instead of TREE_CODE_LENGTH.
5798
5799         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5800         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5801
5802         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5803         iterators.
5804
5805         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5806         (gimplify_decl_expr): Likewise.
5807         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5808         Use new CALL_EXPR iterators.
5809         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5810         (gimplify_modify_expr_to_memset): Likewise.
5811         (gimplify_variable_sized_compare): Likewise.
5812         (gimplify_omp_atomic_fetch_op): Likewise.
5813         (gimplify_omp_atomic_pipeline): Likewise.
5814         (gimplify_omp_atomic_mutex): Likewise.
5815         (gimplify_function_tree): Likewise.
5816
5817         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5818         (call_expr_flags): Likewise.
5819         (expand_call): Likewise.
5820
5821         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5822         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5823         accessors.
5824
5825         * coverage.c (create_coverage): Use build_call_expr.
5826
5827         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5828         (temp_call_expr_obstack): New.
5829         (pool_copy_list): Delete.
5830         (temp_copy_call_expr): New.
5831         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5832         CALL_EXPR accessors.  Get rid of special goo for copying argument
5833         lists and use temp_copy_call_expr instead.
5834         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5835         CALL_EXPR accessors.
5836         (create_expression_by_pieces): Likewise.  Use build_call_array
5837         to construct the result instead of fold_build3.
5838         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5839         dealing with argument lists.
5840         (init_pre): Remove references to expression_node_pool and
5841         list_node_pool.  Init temp_call_expr_obstack instead.
5842         (fini_pre): Remove references to expression_node_pool and
5843         list_node_pool.
5844
5845         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5846         and walk arguments explicitly instead of as a list.
5847
5848         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5849         (mx_register_decls): Likewise.
5850         (mudflap_register_call): Likewise.
5851         (mudflap_finish_file): Likewise.
5852
5853         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5854         (ipa_callsite_compute_param): Likewise.
5855
5856         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5857         accessors and constructor.
5858
5859         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5860         accessors and constructor.
5861         (convert_tramp_reference): Likewise.
5862         (convert_call_expr): Likewise.
5863         (finalize_nesting_tree_1): Likewise.
5864
5865         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5866         accessors.
5867
5868         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5869
5870         * tree-inline.c (initialize_inlined_parameters): Pass entire
5871         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5872         accessors.
5873         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5874         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5875
5876         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5877         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5878         (vectorizable_reduction): Likewise.
5879         (vectorizable_call): Use new CALL_EXPR iterators.
5880         (vectorizable_conversion): Use build_call_expr.
5881         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5882         (vect_gen_widened_results_half): Use build_call_expr.
5883         (vect_setup_realignment): Likewise.
5884         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5885
5886         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5887         (pass_through_call): Likewise.
5888         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5889         fold_builtin.
5890
5891         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5892         (tree_gen_pow2_profiler): Likewise.
5893         (tree_gen_one_value_profiler): Likewise.
5894         (tree_gen_ic_func_profiler): Likewise.
5895         (tree_gen_average_profiler): Likewise.
5896         (tree_gen_ior_profiler): Likewise.
5897
5898         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5899         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5900         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5901
5902         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5903         of TREE_CODE_LENGTH.
5904
5905         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5906         of TREE_CODE_LENGTH.
5907
5908         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5909         constructor.
5910         (convert_to_integer): Likewise.
5911
5912         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5913         accessors.
5914
5915 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5916             Brooks Moses  <brooks.moses@codesourcery.com>
5917             Lee Millward  <lee.millward@codesourcery.com>
5918
5919         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5920         accessors.
5921         * config/frv/frv.c (frv_expand_builtin): Likewise.
5922         * config/s390/s390.c (s390_expand_builtin): Likewise.
5923
5924         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5925         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5926
5927         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5928         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5929         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5930         (ix86_expand_store_builtin): Likewise.
5931         (ix86_expand_unop_builtin): Likewise.
5932         (ix86_expand_unop1_builtin): Likewise.
5933         (ix86_expand_sse_compare): Likewise.
5934         (ix86_expand_sse_comi): Likewise.
5935         (ix86_expand_vec_init_builtin): Likewise.
5936         (ix86_expand_vec_ext_builtin): Likewise.
5937         (ix86_expand_vec_set_builtin): Likewise.
5938         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5939
5940         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5941         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5942
5943         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5944         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5945         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5946
5947         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5948         build_call_expr.
5949         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5950         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5951         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5952         (altivec_expand_abs_builtin): Likewise.
5953         (rs6000_expand_binop_builtin): Likewise.
5954         (altivec_expand_predicate_builtin): Likewise.
5955         (altivec_expand_lv_builtin): Likewise.
5956         (spe_expand_stv_builtin): Likewise.
5957         (altivec_expand_stv_builtin): Likewise.
5958         (rs6000_expand_ternop_builtin): Likewise.
5959         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5960         (altivec_expand_st_builtin): Likewise.
5961         (altivec_expand_dst_builtin): Likewise.
5962         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5963         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5964         (altivec_expand_vec_set_builtin): Likewise.
5965         (altivec_expand_vec_ext_builtin): Likewise.
5966         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5967         (spe_expand_builtin): Likewise.
5968         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5969         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5970         (spe_expand_evsel_builtin): Likewise.
5971         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5972         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5973
5974         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5975         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5976         (arm_expand_unop_builtin): Likewise.
5977         (arm_expand_builtin): Use new CALL_EXPR accessors.
5978
5979         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5980         accessors.
5981
5982         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5983         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5984         (bfin_expand_unop_builtin): Likewise.
5985         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5986
5987 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5988             Brooks Moses  <brooks.moses@codesourcery.com>
5989             Lee Millward  <lee.millward@codesourcery.com>
5990
5991         * c-semantics.c (build_stmt): Add internal diagnostic check.
5992
5993         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5994         accessors.  Print arguments explicitly instead of as a list.
5995
5996         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5997
5998         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5999         (c_finish_omp_flish): Likewise.
6000
6001         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6002         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6003         instead of TREE_CODE_LENGTH.
6004         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6005         (c_warn_unused_result): Likewise.
6006
6007 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6008
6009         PR c/26494
6010         * doc/invoke.texi (Warning Options): Remove
6011         -Werror-implicit-function-declaration.
6012         (Wimplicit-function-declaration): Update description.
6013         * opts.c (common_handle_option): Move handling of -Werror=* to...
6014         (enable_warning_as_error): ...here.
6015         * opts.h (enable_warning_as_error): Declare.
6016         * c-decl.c (implicit_decl_warning): Unless
6017         -Wno-implicit-function-declaration is given, emit a pedwarn if
6018         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6019         * c.opt (Wimplicit-function-declaration): Replace
6020         mesg_implicit_function_declaration with
6021         warn_implicit_function_declaration.
6022         * c-opts.c (c_common_handle_option):
6023         -Werror-implicit-function-declaration is exactly equal as
6024         -Werror=implicit-function-declaration.
6025         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6026         warn_implicit_function_declaration.
6027         (c_common_post_options): -Wimplict-function-declaration is enabled
6028         by default by -std=c99, otherwise is disabled by default.
6029         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6030
6031 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6032
6033         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6034         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6035         former is ignored but not the latter.
6036
6037 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6038
6039         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6040         is made and the reference doesn't use the alias set of its type,
6041         do not create the temporary using that type.
6042
6043 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6044
6045         * jump.c: Remove prototypes for delete_computation and
6046         delete_prior_computation.
6047
6048 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6049
6050         * jump.c (get_label_after): Delete.
6051         (get_label_before, delete_computation, delete_jump,
6052         delete_prior_computation, follow_jumps): Move...
6053         * reorg.c (delete_computation, delete_prior_computation): ... here...
6054         (get_label_before, delete_jump): ... making these static ...
6055         (follow_jumps): ... and simplifying this since it only runs after
6056         reload.
6057         * rtl.h (get_label_after, get_label_before, delete_jump,
6058         follow_jumps): Delete prototypes.
6059
6060 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6061
6062         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6063
6064 2007-02-15  Nick Clifton  <nickc@redhat.com>
6065
6066         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6067         order to prevent it from being munged by the target.
6068
6069 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6070
6071         * config/i386/i386.md: Remove misleading comment.
6072
6073 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6074
6075         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6076         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6077         invalid patterns.
6078
6079 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6080
6081         * tree-sra.c (instantiate_missing_elements): Canonicalize
6082         bit-field types.
6083         (sra_build_assignment): New.
6084         (generate_copy_inout, generate_element_copy,
6085         generate_element_zero, generate_one_element_init): Use it.
6086
6087 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6088
6089         * tree-sra.c (instantiate_missing_elements): Canonicalize
6090         bit-field types.
6091         (sra_build_assignment): New.
6092         (generate_copy_inout, generate_element_copy,
6093         generate_element_zero, generate_one_element_init): Use it.
6094
6095 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6096
6097         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6098         limbo die nodes.
6099
6100 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6101
6102         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6103         types as aggregates not scalars.
6104         * function.c (assign_stack_temp_for_type): Likewise.
6105
6106 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6107             Zdenek Dvorak  <dvorakz@suse.cz>
6108
6109         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6110         name.
6111
6112 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6113
6114         * passes.c (next_pass_1): Clear the next field of the copied
6115         pass structure.
6116
6117 2007-02-14  Richard Henderson  <rth@redhat.com>
6118
6119         * tree-sra.c (early_sra): New.
6120         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6121         (tree_sra_early, pass_sra_early): New.
6122         * tree-pass.h (pass_sra_early): Declare.
6123         * passes.c (init_optimization_passes): Use it.
6124
6125 2007-02-14  Richard Guenther  <rguenther@suse.de>
6126
6127         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6128
6129 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6130
6131          PR tree-optimization/30771
6132         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6133         also phi nodes.
6134         (vect_analyze_operations): Induction phis can now be marked as
6135         used_in_loop.
6136         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6137         Update documentation accordingly.
6138
6139 2007-02-14  Nick Clifton  <nickc@redhat.com>
6140
6141         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6142         most 3 arguments are supported.
6143         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6144
6145 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6146
6147         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6148         Ensure dst->current is valid.
6149
6150 2007-02-13  Paul Brook  <paul@codesourcery.com>
6151
6152         * config.gcc: Add arm*-*-uclinux-*eabi.
6153         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6154         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6155         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6156         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6157         (LINK_SPEC): Define.
6158         (LIB_SPEC): Define.
6159         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6160         register.
6161         * config/arm/uclinux-eabi.h: New file.
6162         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6163         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6164         based targets.
6165
6166 2007-02-13  Ian Lance Taylor  <iant@google.com>
6167
6168         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6169         * flags.h (warn_strict_overflow): Declare.
6170         (enum warn_strict_overflow_code): Define.
6171         (issue_strict_overflow_warning): New static inline function.
6172         * opts.c (warn_strict_overflow): New variable.
6173         (common_handle_option): Handle OPT_Wstrict_overflow and
6174         OPT_Wstrict_overflow_.
6175         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6176         OPT_Wall.
6177         * fold-const.c: Include intl.h.
6178         (fold_deferring_overflow_warnings): New static variable.
6179         (fold_deferred_overflow_warning): New static variable.
6180         (fold_deferred_overflow_code): New static variable.
6181         (fold_defer_overflow_warnings): New function.
6182         (fold_undefer_overflow_warnings): New function.
6183         (fold_undefer_and_ignore_overflow_warnings): New function.
6184         (fold_deferring_overflow_warnings_p): New function.
6185         (fold_overflow_warning): New static function.
6186         (make_range): Add strict_overflow_p parameter.  Change all
6187         callers.
6188         (extract_muldiv, extract_muldiv_1): Likewise.
6189         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6190         tree_expr_nonnegative_p.
6191         (fold_negate_expr): Call fold_overflow_warning.
6192         (fold_range_test): Likewise.
6193         (fold_comparison): Likewise.
6194         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6195         instead of tree_expr_nonnegative_p.
6196         (tree_expr_nonnegative_warnv_p): Rename from
6197         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6198         (tree_expr_nonnegative_p): New function.
6199         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6200         strict_overflow_p parameter.
6201         (tree_expr_nonzero_p): New function.
6202         * passes.c (verify_interpass_invariants): New static function.
6203         (execute_one_pass): Call it.
6204         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6205         warnings.
6206         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6207         (estimate_numbers_of_iterations): Likewise.
6208         (scev_probably_wraps_p): Likewise.
6209         * tree-ssa-ccp.c: Include "toplev.h".
6210         (evaluate_stmt): Defer fold overflow warnings until we know we are
6211         going to optimize.
6212         (struct fold_stmt_r_data): Add stmt field.
6213         (fold_stmt_r): Defer fold overflow warnings until we know we
6214         optimized.
6215         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6216         (fold_stmt_inplace): Likewise.
6217         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6218         (cleanup_control_expr_graph): Defer fold overflow warnings until
6219         we know we are going to optimize.
6220         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6221         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6222         Likewise.
6223         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6224         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6225         * tree-ssa-loop-manip.c (create_iv): Likewise.
6226         * c-typeck.c (build_conditional_expr): Likewise.
6227         (build_binary_op): Likewise.
6228         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6229         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6230         (extract_range_from_unary_expr): Likewise.
6231         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6232         assuming that signed overflow does not occur.
6233         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6234         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6235         (fold_defer_overflow_warnings): Declare.
6236         (fold_undefer_overflow_warnings): Declare.
6237         (fold_undefer_and_ignore_overflow_warnings): Declare.
6238         (fold_deferring_overflow_warnings_p): Declare.
6239         (tree_expr_nonzero_warnv_p): Declare.
6240         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6241         of warning options.
6242         (Warning Options): Document -Wstrict-overflow.
6243         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6244         (tree-ssa-ccp.o): Likewise.
6245         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6246         (fold-const.o): Depend on intl.h.
6247
6248 2007-02-13  Ian Lance Taylor  <iant@google.com>
6249
6250         PR middle-end/30751
6251         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6252         addresses.
6253
6254 2007-02-13  Stuart Hastings  <stuart@apple.com>
6255
6256         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6257
6258 2007-02-13  Richard Henderson  <rth@redhat.com>
6259
6260         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6261         handled_component_p before looking for the indirect_ref.
6262
6263 2007-02-13  Richard Henderson  <rth@redhat.com>
6264
6265         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6266         remove flags clobber.
6267         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6268         (bswaphi_lowpart): New.
6269         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6270         remove TARGET_BSWAP test.  Delete expander of the same name.
6271
6272         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6273         (expand_unop): Use them.
6274
6275 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6276
6277         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6278         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6279         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6280         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6281         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6282         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6283         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6284         assembler dialect choice from asm templates.
6285
6286 2007-02-12  Richard Henderson  <rth@redhat.com>
6287
6288         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6289         (fixuns_trunc<SSEMODEF>si2): Use it.
6290         * config/i386/sse.md (vec_setv4sf_0): Export.
6291         * config/i386/i386.c (ix86_build_const_vector): Export.
6292         (ix86_split_convert_uns_si_sse): Rename from
6293         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6294         * config/i386/i386-protos.h: Update.
6295
6296 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6297
6298         PR c/29521
6299         * c-typeck.c (c_finish_return): Improve warning message.
6300
6301 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6302
6303         * alias.c (find_symbolic_term): Delete unused function.
6304
6305 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6306
6307         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6308         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6309         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6310
6311 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6312
6313         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6314         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6315         the function, temporarily point the debug interface to the null one.
6316
6317 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6318
6319         * dwarf2out.c (round_up_to_align): New static function.
6320         (field_byte_offset): Use it to round the offset.
6321
6322 2007-02-12  Richard Henderson  <rth@redhat.com>
6323
6324         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6325         (inswl_const): Export.
6326
6327 2007-02-12  Richard Henderson  <rth@redhat.com>
6328
6329         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6330         result mode of the libcall, convert back to outmode.
6331
6332 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6333
6334         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6335         (bswapdi2): New define_expand to implement 32-bit implementation.
6336
6337 2007-02-12  Nick Clifton  <nickc@redhat.com>
6338
6339         * doc/invoke.texi (Overall Options): Document --help=.
6340         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6341         (cc1_options): Pass --help= on to cc1.
6342         (display_help): Add description of --help=.
6343         (process_command): Add code to handle --help=.  Allow translated
6344         --help and --target-help switches to be passed on to compiler
6345         sub-process.
6346         (main): Remove unused if statement.
6347         * opts.c (columns): Remove.
6348         (LEFT_COLUMN): Define.
6349         (wrap_help): Add columns argument.
6350         (print_filtered_help): Change parameters to be an include bitmask,
6351         an exclude bitmask, an any bitmask and the column width.  Move the
6352         code to display the params list here.  Add code to display the
6353         status of options rather than their descriptions if the quiet flag
6354         is not active.
6355         (print_specific_help): Change parameters to be an include bitmask,
6356         an exclude bitmask and an any bitmask.  Move code to look up the
6357         column width here.  Decide upon the title for an options listing.
6358         (common_handle_options): Add code to handle --help=.  Adapt code
6359         for --help and --target-help to use the revised form of the
6360         print_specific_help function.
6361         (print_help): Delete.
6362         (print_param_help): Delete.
6363         (print_switch): Delete.
6364         * opts.h (cl_lang_count): Add prototype.
6365         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6366         CL_MAX_OPTION_CLASS): New defines.
6367         * optc-gen.awk: Add construction of cl_lang_count.
6368         * c.opt: Add Warning attribute to warning options and Optimization
6369         attribute to optimization options.
6370         * common.opt: Likewise.
6371         Add --help=.
6372         Add -fhelp and -ftarget-help as aliases for the transformed --help
6373         and --target-help options.
6374         * opt-functions.awk: Add code to handle Warning and Optimization
6375         attributes.
6376
6377 2007-02-12  Richard Henderson  <rth@redhat.com>
6378
6379         * config/alpha/constraints.md: New file.
6380         * config/alpha/alpha.c: Include tm-constrs.h.
6381         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6382         alpha_extra_constraint): Remove.
6383         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6384         * config/alpha/alpha-protos.h: Update.
6385         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6386         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6387         (EXTRA_CONSTRAINT): Remove.
6388         * config/alpha/alpha.md: Include constraints.md.
6389         (adddi splitter): Use satisfies_constraint_*.
6390         * config/alpha/predicates.md (add_operand): Likewise.
6391         (sext_add_operand, addition_operation): Likewise.
6392
6393 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6394
6395         PR tree-optimization/29145
6396         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6397         in our handling of restrict qualified pointers.
6398
6399 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6400
6401         PR middle-end/7651
6402         * doc/invoke.texi (Wunused-value): Update description.
6403         (Wextra): Delete item.
6404         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6405         value of Wunused-value.
6406         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6407         (c_finish_stmt_expr): Don't check extra_warnings.
6408         (emit_side_effect_warnings): The caller is responsible to check
6409         warn_unused_value.
6410
6411 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6412             Matt Thomas  <matt@3am-software.com>
6413
6414         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6415
6416 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6417
6418         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6419         comparisons of POPCOUNT against zero.
6420         (simplify_const_relational_operation): Likewise.
6421
6422 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6423
6424         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6425
6426 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6427
6428         * dwarf2out.c (root_type): Delete unused function.
6429
6430 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6431
6432         * genattrtab.c (contained_in_p): Delete unused function.
6433         (write_expr_attr_cache): Likewise.
6434
6435 2007-02-11  Jan Hubicka  <jh@suse.cz>
6436
6437         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6438         previous patch.
6439
6440 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6441
6442         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6443         to add the REG_EQ* note.
6444         * see.c (see_merge_one_use_extension): Likewise.
6445         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6446         turn REG_EQUAL notes into REG_EQUIV notes if the target
6447         register may have more than one set.
6448         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6449         * gcse.c (try_replace_reg): Likewise.
6450         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6451         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6452         more than one REG_EQUIV note.
6453         * reload1.c (gen_reload): Use set_unique_reg_note.
6454
6455 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6456
6457         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6458         (ix86_builtin_conversion): New function.
6459
6460 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6461
6462         PR target/29487
6463         * tree.h (DECL_REPLACEABLE_P): New macro.
6464         * except.c (set_nothrow_function_flags): Likewise.
6465
6466 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6467             Ira Rosen  <irar@il.ibm.com>
6468             Dorit Nuzman  <dorit@il.ibm.com>
6469
6470         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6471         * targhooks.c (default_builtin_vectorized_conversion): New.
6472         * targhooks.h (default_builtin_vectorized_function): New declaration.
6473         * target.h (struct vectorize): Add builtin_conversion field.
6474         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6475         stmt_vec_info_type value.
6476         (vectorizable_conversion): New declaration.
6477         * tree-vect-analyze.c (vect_analyze_operations): Add
6478         vectorizable_conversion call.
6479         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6480         * tree-vect-transform.c (vectorizable_conversion): New function.
6481         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6482         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6483         mode.
6484         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6485         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6486         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6487         or ALTIVEC_BUILTIN_VCFSX.
6488
6489 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6490
6491         PR target/30634
6492         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6493         CONST_DOUBLE and operand 0 is a hard register.
6494         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6495         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6496         is a hard floating-point register.
6497
6498 2007-02-10  Richard Henderson  <rth@redhat.com>
6499             Jakub Jelinek  <jakub@redhat.com>
6500             Alexandre Oliva  <aoliva@redhat.com>
6501
6502         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6503         * builtin-types.def (BT_WORD): Make unsigned.
6504         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6505         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6506         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6507         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6508         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6509         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6510         emulated tls.
6511         * expr.c (emutls_var_address): New.
6512         (expand_expr_real_1): Expand emulated tls.
6513         (expand_expr_addr_expr_1): Likewise.
6514         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6515         * output.h (emutls_finish): Declare.
6516         * toplev.c (compile_file): Call it.
6517         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6518         address before wrapping in CONST.
6519         * varasm.c (emutls_htab, emutls_object_type): New.
6520         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6521         (get_emutls_object_name, get_emutls_object_type): New.
6522         (get_emutls_init_templ_addr, emutls_decl): New.
6523         (emutls_common_1, emutls_finish): New.
6524         (assemble_variable): When emulating tls, swap decls; generate
6525         constructor for the emutls objects.
6526         (do_assemble_alias): When emulating tls, swap decl and target name.
6527         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6528         for emulated tls.
6529         * varpool.c (decide_is_variable_needed): Look at force_output.
6530         Recurse for emulated tls.
6531         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6532         with decide_is_variable_needed.
6533         * emutls.c: New file.
6534         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6535         tls_object for real tls.
6536
6537 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6538
6539         PR rtl-optimization/29599
6540         * reload1.c (eliminate_regs_in_insn): Take the destination
6541         mode into account when computing the offset.
6542
6543 2007-02-09  Stuart Hastings  <stuart@apple.com>
6544             Richard Henderson  <rth@redhat.com>
6545
6546         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6547         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6548         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6549         fixuns_truncdfhi2): New.
6550         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6551         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6552         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6553         (floatunssidf2): Allow nonimmediate source.
6554         * gcc/config/i386/sse.md (movdi_to_sse): New.
6555         (vec_concatv2di): Drop '*'.
6556         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6557         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6558         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6559         New.
6560         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6561         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6562         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6563         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6564         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6565         ix86_build_const_vector.
6566         (x86_emit_floatuns): Rewrite.
6567
6568 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6569
6570         * genautomata.c (longest_path_length): Delete unused function.
6571         (struct state): Delete unused longest_path_length.
6572         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6573         (get_free_state): Delete unused.
6574
6575 2007-02-09  Jan Hubicka  <jh@suse.cz>
6576
6577         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6578         * doc/invoke.texi (inline-unit-growth): Update default value.
6579
6580         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6581         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6582         (rebuild_cgraph_edges): Likewise.
6583         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6584         (dump_cgraph_node): Dump frequencies.
6585         (cgraph_clone_edge): Add frequency scales.
6586         (cgraph_clone_node): Add freuqnecy.
6587         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6588         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6589         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6590         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6591         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6592         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6593         (save_inline_function_body): Likewise.
6594         * ipa-inline.c: inluce rtl.h
6595         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6596         (cgraph_edge_badness): Use frequencies.
6597         (cgraph_decide_recursive_inlining): Update clonning.
6598         (cgraph_decide_inlining_of_small_function): Dump frequency.
6599         * predict.c (estimate_bb_frequencies): Export.
6600         * predict.h (estimate_bb_frequencies): Declare.
6601         * tree-inline.c (copy_bb): Watch overflows.
6602         (expand_call_inline): Update call of cgraph_create_edge.
6603         (optimize_inline_calls): Use TODO flags to update frequnecies.
6604         * passes.h: Include predict.h
6605         (init_optimization_passes): Move profile ahead.
6606         (execute_function_todo): Handle TODO_rebuild_frequencies.
6607
6608 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6609
6610         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6611         the insbl or inswl pattern into a register.
6612
6613 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6614
6615         * config/ia64/ia64.md (bswapdi2): New define_insn.
6616
6617 2007-02-09  Richard Henderson  <rth@redhat.com>
6618
6619         * config/i386/constraints.md (Ym): New constraint.
6620         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6621         (movdi_1_rex64): Split sse and xmm general register moves from
6622         memory move alternatives.  Use conditional register constraints.
6623         (movsf_1, movdf_integer): Likewise.
6624         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6625         (movdf_integer_rex64): New.
6626         (pushsf_rex64): Fix output constraints.
6627         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6628         (sse2_stored): Likewise.
6629         (sse2_storeq_rex64): New.
6630         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6631         amd and not generic.
6632         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6633         for optimize_size.  Remove SF/DFmode hack.
6634
6635 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6636
6637         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6638         (bit_SSE4a): New.
6639
6640 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6641             Richard Sandiford  <richard@codesourcery.com>
6642
6643         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6644         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6645         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6646         m68k/t-mlib to tmake_file.
6647         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6648         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6649         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6650         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6651         variable is not empty, add t-$m68k_arch_family to tmake_file.
6652         Add t-mlibs to tmake_file.
6653         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6654         * config/m68k/t-cf: New file.
6655         * config/m68k/t-m68k: Likewise.
6656         * config/m68k/t-mlibs: Likewise.
6657         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6658         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6659         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6660         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6661         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6662         Delete.
6663         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6664         (INSTALL_LIBGCC): Delete.
6665         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6666         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6667         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6668         (M68K_MLIB_CPU): Define.
6669         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6670         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6671         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6672
6673 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6674             Richard Guenther  <rguenther@suse.de>
6675
6676         PR middle-end/23361
6677         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6678         against INT_MIN/INT_MAX.
6679         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6680         file if a loop is removed.
6681
6682 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6683
6684         * calls.c (store_one_arg): Pass correct alignment to
6685         emit_push_insn for non-BLKmode values.
6686         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6687         unaligned stack slot via a suitably aligned slot.
6688
6689 2007-02-08  DJ Delorie  <dj@redhat.com>
6690
6691         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6692         warnings.
6693         (legal_subregs): Use unsigned char, make const.
6694         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6695
6696 2007-02-08  Paul Brook  <paul@codesourcery.com>
6697
6698         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6699         special interworking needed.
6700
6701 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6702
6703         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6704         conditional to __SSE2__.
6705         (Entries below should have been added to first ChangeLog
6706         entry for amdfam10 dated 2007-02-05)
6707         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6708         defined.
6709         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6710         defined.
6711         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6712         defined.
6713
6714 2007-02-08  DJ Delorie  <dj@redhat.com>
6715
6716         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6717         * config/m32c/m32c.c (legal_subregs): New.
6718         (m32c_illegal_subreg_p): New.
6719         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6720         unsupported subregs of hard regs.
6721
6722 2007-02-08  Jan Hubicka  <jh@suse.cz>
6723
6724         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6725         the same one; always update histograms.
6726
6727 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6728
6729         * passes.c (init_optimization_passes): Tidy comment.
6730
6731 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6732
6733         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6734         strip zero_extend, bswap and rotates from POCOUNT's argument.
6735         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6736         zero_extend and rotates from PARITY's argument.
6737         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6738         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6739         of an integer constant at compile-time.
6740
6741 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6742
6743         PR 30562
6744         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6745         Update all users.
6746         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6747         users.
6748         (init_alias_info):
6749         * tree-ssa-live.c (remove_unused_locals): Do not remove
6750         TREE_ADDRESSABLE variables.
6751         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6752         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6753         FOR_CLOBBER.  Update all users.
6754         If VAR has an associated alias set, add a virtual operand for
6755         it if no alias is found to conflict with the memory reference.
6756
6757 2007-02-07  Jan Hubicka  <jh@suse.cz>
6758             Robert Kidd <rkidd@crhc.uiuc.edu>
6759
6760         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6761
6762 2007-02-07  Ian Lance Taylor  <iant@google.com>
6763
6764         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6765
6766 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6767
6768         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6769         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6770         tablejumpdi, movsi_to_cr_one): Remove constraints from
6771         define_expand's match_operands.
6772
6773 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6774
6775         * global.c (compute_regsets): Move declatation of "i" inside of
6776         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6777
6778 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6779
6780         PR c++/30703
6781         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6782         of INDIRECT_REF <RESULT_DECL>.
6783
6784         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6785
6786 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6787             Kaz Kojima  <kkojima@gcc.gnu.org>
6788
6789         PR target/29746
6790         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6791         properly.
6792         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6793
6794 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6795
6796         * doc/loop.texi: Document possibility not to perform disambiguation
6797         of loops with multiple latches.
6798         * cfgloopmanip.c (alp_enum_p): Removed.
6799         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6800         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6801         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6802         the new forwarder block.
6803         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6804         Handle the case latch is NULL.
6805         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6806         when marking loop exits.
6807         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6808         be modified.
6809         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6810         disambiguate_loops_with_multiple_latches.
6811         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6812         before fix_loop_structure.
6813         * cfgloop.c: Include pointer-set.h and output.h.
6814         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6815         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6816         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6817         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6818         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6819         disambiguate_multiple_latches, get_loop_body_with_size,
6820         disambiguate_loops_with_multiple_latches): New functions.
6821         (flow_loop_dump): Dump multiple latch edges.
6822         (flow_loop_nodes_find): Handle loops with multiple latches.
6823         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6824         (glb_enum_p): Modified.
6825         (get_loop_body): Use get_loop_body_with_size.
6826         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6827         (AVOID_CFG_MODIFICATIONS): New constant.
6828         (disambiguate_loops_with_multiple_latches, add_loop,
6829         get_loop_body_with_size): Declare.
6830         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6831
6832 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6833
6834         PR inline-asm/28686
6835         * global.c (compute_regsets): New function.
6836         (global_alloc): Refactored ELIMINABLE_REGSET
6837         and NO_GLOBAL_ALLOC_REGS computation out.
6838         (rest_of_handle_global_alloc): Call compute_regsets()
6839         for non-optimizing case.
6840
6841 2007-02-06  Richard Henderson  <rth@redhat.com>
6842
6843         * config/i386/constraints.md (Y2): Rename from Y.
6844         (Yi): New constraint.
6845         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6846         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6847         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6848         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6849         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6850         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6851         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6852         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6853         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6854         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6855         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6856         vec_extractv2si_1): Change Y constraints to Y2.
6857         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6858         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6859         Change Y constraints to Y2.
6860         (sse2_loadld): Change Y constraints to x.
6861
6862 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6863
6864         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6865         (parity<mode>2): New define_expand using rs6000_emit_parity.
6866         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6867         rs6000_emit_parity): New functions.
6868         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6869         rs6000_emit_parity): Prototype here.
6870
6871 2007-02-06  Ian Lance Taylor  <iant@google.com>
6872
6873         * lower-subreg.c (simple_move_operand): Reject CONST.
6874         (resolve_clobber): Call validate_change rather than directly
6875         assigning to XEXP (pat, 0).
6876
6877 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6878
6879         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6880         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6881         (tree-cfg.o): Remove hashtab.h dependency.
6882
6883         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6884         (struct ivopts_data): Change niters to pointer_map_t.
6885         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6886         (niter_for_exit): Create pointer_map on demand.  Change for
6887         pointer_map API.
6888         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6889         (free_loop_data): Destroy data->niters if created and reset field.
6890         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6891         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6892
6893         * tree-ssa-reassoc.c: Include pointer-set.h.
6894         (bb_rank): Change to long *.
6895         (operand_rank): Change to pointer_map_t.
6896         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6897         (insert_operand_rank): Accept long.
6898         (operand_entry_hash, operand_entry_eq): Remove.
6899         (get_rank): Return long.  Adjust for changes above.
6900         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6901         and operand_rank.
6902         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6903
6904         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6905         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6906         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6907         is not NULL.
6908         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6909         directly since it cannot be NULL.
6910         (get_vi_for_tree): Rewrite for pointer_map API.
6911         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6912         (init_alias_vars): Create vi_for_tree as pointer_map.
6913         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6914
6915         * tree-cfg.c: Don't include hashtab.h.
6916         (edge_to_cases): Declare as pointer_map.
6917         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6918         Delete.
6919         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6920         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6921         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6922         destroying it.
6923         (record_switch_edge): Delete.
6924         (get_cases_for_edge): Adjust for pointer_map API, inline
6925         record_switch_edge (rewritten for new API), remove goto.
6926
6927 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6928
6929         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6930         * tree-nested.c: Include pointer-set.h.
6931         (var_map_elt, var_map_eq, var_map_hash): Delete.
6932         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6933         to pointer_map_t's.
6934         (nesting_info_bitmap_obstack): New.
6935         (lookup_field_for_decl): Adjust for pointer_map API.
6936         (lookup_tramp_for_decl): Adjust for pointer_map API.
6937         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6938         (get_local_debug_decl): Adjust for pointer_map API.
6939         (convert_nl_goto_reference): Adjust for pointer_map API.
6940         (convert_nl_goto_receiver): Adjust for pointer_map API.
6941         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6942         the new obstack.  Create field_map and var_map as pointer_maps.
6943         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6944         (root): Delete.
6945         (lower_nested_functions): Move root here, no need to NULL it.
6946         Initialize and release the obstack.
6947
6948 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6949
6950         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6951         Remove prototypes and make them non-static.
6952         (struct tree_int_map): Remove.
6953         * tree.h (struct tree_int_map): Move here, turning TO into an
6954         unsigned int.
6955         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6956
6957         * tree.h (TREE_COMPLEXITY): Remove.
6958         (struct tree_exp): Remove complexity field.
6959         * tree.c (build1_stat): Don't set it.
6960
6961 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6962             Victor Kaplansky  <victork@il.ibm.com>
6963
6964         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6965         (vect_is_simple_reduction): Support reduction with induction as
6966         one of the operands.
6967         (vect_is_simple_iv_evolution): Fix formatting.
6968         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6969         formatting.  Don't mark induction phis for vectorization.
6970         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6971         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6972         (vect_get_vec_def_for_operand): Support induction.
6973         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6974         induction case.
6975         (vectorizable_reduction): Support reduction with induction as one of
6976         the operands.
6977         (vectorizable_type_demotion): Use def-type of stmt argument rather
6978         than dummy def-type.
6979
6980         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6981         flag_tree_scev_cprop.
6982         * common.opt (tree-scev-cprop): New flag.
6983
6984         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6985         call to vect_get_new_vect_var.
6986
6987 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6988
6989         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6990         vectype is not NULL.
6991         (vect_pattern_recog_1): Likewise.
6992
6993 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6994
6995         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6996         (fold_negate_expr): Likewise.
6997
6998 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6999
7000         PR debug/30189
7001         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7002         even if cv-qualification is the same.
7003
7004 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7005
7006         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7007         __enable_execute_stack on completion.
7008
7009 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7010
7011         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7012         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7013         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7014         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7015         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7016         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7017         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7018         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7019
7020 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7021
7022         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7023         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7024         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7025         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7026         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7027         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7028         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7029         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7030         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7031         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7032         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7033         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7034         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7035         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7036         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7037         sqrtextenddfxf2_i387): Added amdfam10_decode.
7038
7039         * config/i386/athlon.md (athlon_idirect_amdfam10,
7040         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7041         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7042         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7043         athlon_ivector_store_amdfam10): New define_insn_reservation.
7044         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7045         amdfam10.
7046
7047 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7048
7049         * config/i386/athlon.md (athlon_call_amdfam10,
7050         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7051         define_insn_reservation.
7052         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7053         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7054         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7055
7056 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7057
7058         * config/i386/athlon.md (athlon_sseld_amdfam10,
7059         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7060         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7061
7062 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7063
7064         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7065         define_insn_reservation.
7066         * config/i386/i386.md (sseins): Added sseins to define_attr type
7067         and define_attr unit.
7068         * config/i386/sse.md: Set type attribute to sseins for insertq
7069         and insertqi.
7070
7071 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7072
7073         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7074         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7075         ssecomi_load_amdfam10, ssecomi_amdfam10,
7076         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7077         define_insn_reservation.
7078         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7079
7080 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7081
7082         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7083         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7084         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7085         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7086         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7087         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7088         define_insn_reservation.
7089
7090         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7091         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7092         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7093         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7094         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7095
7096 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7097
7098         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7099         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7100         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7101         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7102         athlon_ssemul_load_k8): Added amdfam10.
7103
7104 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7105
7106         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7107         (x86_sse_unaligned_move_optimal): New variable.
7108
7109         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7110         m_AMDFAM10.
7111         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7112         for unaligned vector SSE double/single precision loads for AMDFAM10.
7113
7114 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7115
7116         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7117         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7118         Define TARGET_CPU_DEFAULT_amdfam10.
7119         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7120         (processor_type): Add PROCESSOR_AMDFAM10.
7121
7122         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7123         processor_type in config/i386/i386.h.
7124         Enable imul peepholes for TARGET_AMDFAM10.
7125
7126         * config.gcc: Add support for --with-cpu option for amdfam10.
7127
7128         * config/i386/i386.c (amdfam10_cost): New variable.
7129         (m_AMDFAM10): New macro.
7130         (m_ATHLON_K8_AMDFAM10): New macro.
7131         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7132         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7133         x86_promote_QImode, x86_integer_DFmode_moves,
7134         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7135         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7136         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7137         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7138         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7139         Enable/disable for amdfam10.
7140         (override_options): Add amdfam10_cost to processor_target_table.
7141         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7142         processor_alias_table.
7143         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7144         (ix86_adjust_cost): Add code for amdfam10.
7145
7146 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7147
7148         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7149         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7150         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7151         * config/i386/i386.h: Add builtin definition for SSE4A.
7152         * config/i386/i386.md: Add support for ABM instructions
7153         (popcnt and lzcnt).
7154         * config/i386/sse.md: Add support for SSE4A instructions
7155         (movntss, movntsd, extrq, insertq).
7156         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7157         Add -march=amdfam10 flag.
7158         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7159         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7160         and amdfam10.
7161         * doc/extend.texi: Add documentation for SSE4A builtins.
7162
7163 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7164
7165         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7166
7167 2007-02-05  Richard Guenther  <rguenther@suse.de>
7168
7169         * tree-vectorizer.h (vectorizable_function): Add argument type
7170         argument, change return type.
7171         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7172         * tree-vect-transform.c (vectorizable_function): Handle extra
7173         argument, return vectorized function decl.
7174         (build_vectorized_function_call): Remove.
7175         (vectorizable_call): Handle calls with result and argument types
7176         differing.  Handle loop vectorization factor correctly.
7177         * targhooks.c (default_builtin_vectorized_function): Adjust for
7178         extra argument.
7179         * targhooks.h (default_builtin_vectorized_function): Likewise.
7180         * target.h (builtin_vectorized_function): Add argument type
7181         argument.
7182         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7183         extra argument, allow vectorizing of lrintf.
7184         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7185         documentation of target hook.
7186
7187 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7188
7189         PR target/30665
7190         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7191         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7192         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7193
7194 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7195
7196         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7197         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7198         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7199         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7200         before canonicalizing sincos to cexpi.
7201         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7202
7203 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7204
7205         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7206         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7207         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7208
7209 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7210
7211         * mips-tfile.c (initialize_init_file): Correct endianness test.
7212
7213 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7214
7215         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7216         the 'y' constraint.
7217
7218 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7219
7220         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7221         saves in a PARALLEL before the register assignments.
7222
7223 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7224
7225         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7226         DWARF_FRAME_RETURN_COLUMN to be a general register.
7227         * dwarf2out.c (init_return_column_size): New function, split from...
7228         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7229         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7230         to be nongeneral registers.
7231         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7232         integer registers.
7233         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7234         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7235
7236 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7237
7238         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7239
7240 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7241
7242         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7243         (remove_path): Use can_remove_branch_p and remove_branch instead
7244         of loop_delete_branch_edge.
7245         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7246         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7247         Update profile using scale_dominated_blocks_in_loop.
7248         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7249         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7250         (can_remove_branch_p, remove_branch): Declare.
7251         * tree-cfg.c (tree_can_remove_branch_p): New function.
7252         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7253         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7254         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7255
7256 2007-02-05  Jan Hubicka  <jh@suse.cz>
7257
7258         PR middle-end/30696
7259         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7260         nodes in cgraph, don't remove offline copy of the function.
7261
7262 2007-02-04  Jan Hubicka  <jh@suse.cz>
7263
7264         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7265         vectors might cause maybe_lookup_element_for_expr to be called
7266         on non-sra-candidate.
7267
7268 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7269
7270         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7271         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7272         spelling conventions.
7273
7274 2007-02-04  Richard Guenther  <rguenther@suse.de>
7275
7276         PR middle-end/30636
7277         * fold-const.c (try_move_mult_to_index): Make sure to not
7278         overflow one dimension of a multi-dimensional array access.
7279
7280 2007-02-04  Jan Hubicka  <jh@suse.cz>
7281
7282         * passes.c (init_optimization_passes): Reindent.
7283
7284 2007-02-04  Jan Hubicka  <jh@suse.cz>
7285             Eric Botcazou  <ebotcazou@adacore.com>
7286
7287         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7288         (execute_fixup_cfg): Break out the abnormal goto code.
7289         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7290         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7291         (optimize_inline_calls): Call make_nonlocal_label_edges.
7292
7293 2007-02-04  Jan Hubicka  <jh@suse.cz>
7294
7295         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7296         true when something was changed.
7297         (rename_ssa_copies): When something was changed, do
7298         TODO_remove_unused_locals.
7299         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7300         add TODO_remove_unused_locals when instruction was removed.
7301
7302 2007-02-04  Jan Hubicka  <jh@suse.cz>
7303
7304         * ipa-inline.c (try_inline): Improve debug output; work on already
7305         inline edges too.
7306         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7307         call try_inline for already inlined edges too when flattening;
7308         inline also functions that make callee growth but overall unit size
7309         reduce.
7310
7311 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7312
7313         * config/m32c/bitops.md, config/m32c/jump.md,
7314         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7315         config/m32r/m32r.h, config/m32r/m32r.md,
7316         config/m32r/predicates.md, config/m68hc11/larith.asm,
7317         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7318         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7319         config/mips/mips-protos.h, config/mips/mips.c,
7320         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7321         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7322         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7323         spelling conventions.
7324
7325         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7326         Follow spelling conventions.
7327
7328 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7329
7330         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7331         warn about C++0x compatibility.
7332
7333 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7334
7335         * config/h8300/h8300.c, config/h8300/h8300.h,
7336         config/h8300/h8300.md: Follow spelling conventions.
7337
7338 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7339
7340         PR middle-end/30667
7341         * combine.c (try_combine): Do not substitute source operand
7342         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7343
7344 2007-02-03  Jan Hubicka  <jh@suse.cz>
7345
7346         PR gcov-profile/30650
7347         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7348         do not divide by zero for never executed counters.
7349         (tree_find_values_to_profile): Fix counters.
7350         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7351
7352 2007-02-03  Ian Lance Taylor  <iant@google.com>
7353
7354         * lower-subreg.c (simple_move_operand): New static function,
7355         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7356         operands.
7357         (simple_move): Call simple_move_operand.
7358         (find_decomposable_subregs): Add special handling of MEMs.
7359         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7360         meaning of return value.  If we see a hard register, test whether
7361         it can store a word_mode value.  Change all callers.
7362
7363 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7364
7365         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7366         ftrapv insns and expanders.
7367         (subdi3): Change define_expand operand 1 to arith11_operand, and
7368         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7369         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7370         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7371         respectively.
7372
7373         PR middle-end/30174
7374         * varasm.c (notice_global_symbol): Treat global objects as weak when
7375         flag_shlib is true.
7376
7377 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7378
7379         * emit-rtl.c (dconstpi): Delete.
7380         (dconstsqrt2): New.
7381         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7382         * real.h (dconstpi): Delete.
7383         (dconstsqrt2): New.
7384         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7385         (fold_builtin_hypot): Likewise.
7386
7387 2007-02-03  Tom Tromey  <tromey@redhat.com>
7388
7389         PR driver/30246
7390         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7391         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7392
7393 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7394
7395         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7396         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7397         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7398         config/rs6000/cell.md, config/rs6000/darwin.h,
7399         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7400         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7401         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7402         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7403         typos.  Follow spelling conventions.
7404         * doc/invoke.texi: Follow spelling conventions.
7405
7406 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7407
7408         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7409         canonicalization transformations that attempt to simplify integer
7410         constant comparisons to become comparisons against zero.
7411
7412 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7413
7414         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7415         fabs(x)*sqrt(2).
7416         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7417         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7418
7419 2007-02-02  Mike Stump  <mrs@apple.com>
7420
7421         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7422         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7423         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7424         generate a branch island.
7425
7426 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7427
7428         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7429         (xtensa_legitimate_address_p): New.
7430         (xtensa_legitimize_address): New.
7431         (xtensa_output_addr_const_extra): New.
7432         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7433         (BASE_REG_P): New.
7434         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7435         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7436         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7437         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7438         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7439         (xtensa_legitimize_address): New.
7440         (xtensa_output_addr_const_extra): New.
7441
7442 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7443
7444         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7445
7446 2007-02-02  Ian Lance Taylor  <iant@google.com>
7447
7448         * expmed.c (expand_divmod): Add comment.
7449
7450 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7451
7452         * emit-rtl.c (renumber_insns): Remove.
7453         * flags.h: Remove the extern for flag_renumber_insns.
7454         * rtl.h: Remove the prototype for renumber_insns.
7455         * toplev.c (flag_renumber_insns): Remove.
7456
7457 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7458
7459         Revert for x86 darwin:
7460         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7461
7462         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7463         code before the following patch under TARGET_MACHO.
7464         (ix86_function_value_regno_p): Likewise.
7465
7466 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7467
7468         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7469         COMPLEX_EXPR.
7470
7471 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7472
7473         PR target/29682
7474         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7475         general or fp registers.  Add comments.
7476         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7477
7478 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7479
7480         * pointer-set.c (insert_aux): Only return insertion slot.
7481         (pointer_set_insert): Adjust.
7482         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7483         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7484         pointer_map_traverse): New.
7485         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7486         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7487         pointer_map_contains, pointer_map_traverse): Declare.
7488
7489 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7490
7491         PR middle-end/30473
7492         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7493         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7494
7495 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7496
7497         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7498
7499         (struct _dep): New type.
7500         (dep_t): New typedef.
7501         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7502         (DEP_STATUS): New access macro.  The macro with the same name was
7503         renamed to DEP_LINK_STATUS.
7504         (dep_init): Declare function
7505
7506         (struct _dep_link): New type.
7507         (dep_link_t): New typedef.
7508         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7509         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7510         (DEP_LINK_STATUS): New macro.
7511         (debug_dep_links): New debug function.
7512
7513         (struct _deps_list): New type.
7514         (deps_list_t): New typedef.
7515         (DEPS_LIST_FIRST): New access macro.
7516         (FOR_EACH_DEP_LINK): New cycle macro.
7517         (create_deps_list, free_deps_list, delete_deps_list): Declare
7518         functions.
7519         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7520         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7521         (copy_deps_list_change_con): Ditto.
7522
7523         (move_dep_link): Declare function.
7524
7525         (struct _dep_node): New type.
7526         (dep_node_t): New typedef.
7527         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7528
7529         (struct haifa_insn_data.back_deps): New field to hold backward
7530         dependencies of the insn.
7531         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7532         to deps_list_t.
7533         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7534         Change its type to deps_list_t.
7535         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7536         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7537         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7538
7539         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7540
7541         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7542
7543         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7544         all callers.
7545         (dep_cost): Declare.
7546
7547         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7548         (ds_to_dk, dk_to_ds): New functions.
7549
7550         (init_dep_1): New static function.
7551         (init_dep): New function.
7552         (copy_dep): New static function.
7553
7554         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7555         functions.
7556         (detach_dep_link): New static function.
7557         (move_dep_link): New function.
7558
7559         (dep_links_consistent_p, dump_dep_links): New static functions.
7560         (debug_dep_links): New debugging function.
7561
7562         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7563
7564         (alloc_deps_list, init_deps_list): New static functions.
7565         (create_deps_list): New function.
7566         (clear_deps_list): New static function.
7567         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7568         (deps_list_consistent_p, dump_deps_list): New static functions.
7569         (debug_deps_list): New function.
7570         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7571         functions.
7572         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7573
7574         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7575         use new scheduler dependencies lists.
7576         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7577         (sched_analyze): Ditto.  Initialize dependencies lists.
7578         (add_forw_dep, compute_forward_dependences): Update to use new
7579         scheduler dependencies lists.
7580
7581         (init_dependency_caches): Init deps_obstack.
7582         (free_dependency_caches): Free deps_obstack.
7583
7584         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7585         new scheduler dependencies lists.
7586         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7587         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7588
7589         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7590         Update to use new scheduler dependencies lists.
7591         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7592         (debug_dependencies): Ditto.
7593         (schedule_region): Update comments.
7594
7595         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7596         scheduler dependencies lists.
7597         (schedule_ebb): Update comments.
7598
7599         * rtl.def (DEPS_LIST): Remove.
7600
7601         * lists.c (unused_deps_list): Remove.
7602         (free_list): Update assertions.
7603
7604         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7605         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7606
7607         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7608         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7609
7610         * haifa-sched.c (comments): Update.
7611         (insn_cost1): Remove.  Inline the code into insn_cost ().
7612         (insn_cost): Update to use new scheduler dependencies lists.  Move
7613         processing of the dependency cost to dep_cost ().
7614         (dep_cost): New function.  Use it instead of insn_cost () when
7615         evaluating cost of the dependency.  Use compatible interface to
7616         interact with the target.
7617         (priority): Update to use new scheduler dependencies lists.
7618         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7619         with greater number of insns that depend on the insn.
7620         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7621         code to free backward dependencies lists.  Inline and optimize code
7622         from resolve_dep () - see PR28071.
7623         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7624         lists.  Update call to targetm.sched.is_costly_dependence hook.
7625
7626         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7627         scheduler dependencies lists.
7628
7629         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7630         (init_h_i_d): Initialize dependencies lists.
7631
7632         (process_insn_depend_be_in_spec): Rename to
7633         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7634         dependencies lists.
7635         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7636         Update to use new scheduler dependencies lists.
7637         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7638
7639         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7640         new scheduler dependencies lists.
7641         (build_intra_loop_deps): Ditto.
7642
7643         * target.h (struct _dep): Declare to use in
7644         gcc_target.sched.is_costly_dependence.
7645         (struct gcc_target.sched.adjust_cost): Fix typo.
7646         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7647         single dep_t parameter instead of an equivalent triad.
7648         (struct gcc_target.sched.adjust_cost_2): Remove.
7649
7650         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7651
7652         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7653
7654         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7655         documentation.
7656         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7657
7658         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7659         (REG_DEP_TRUE): Document.
7660
7661         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7662         Change signature to correspond to the targetm.sched.adjust_cost hook.
7663         Update use in TARGET_SCHED_ADJUST_COST_2.
7664         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7665         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7666         new scheduler dependencies lists.
7667         (ia64_gen_check): Ditto.
7668
7669         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7670         dependencies lists.
7671
7672         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7673         signature to correspond to the targetm.sched.is_costly_dependence hook.
7674         (is_costly_group): Update to use new scheduler dependencies lists.
7675
7676         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7677         instead of INSN_COST () macro.
7678
7679 2007-02-01  Ian Lance Taylor  <iant@google.com>
7680
7681         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7682
7683 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7684
7685         * pa.md (tp_load): Correct mfctl instruction syntax.
7686
7687 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7688
7689         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7690         altivec_padding_size calculation on AIX.  Improve comment, add
7691         assert to verify that it's right.
7692
7693         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7694         64-bit.
7695
7696 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7697
7698         PR inline-asm/28686
7699         * global.c (global_alloc): Add mising initialization of
7700         ELIMINABLE_REGSET.
7701
7702 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7703
7704         * alias.c (init_alias_analysis): Correct whitespace.
7705         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7706         partition_hot_cold_basic_blocks): Likewise.
7707         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7708         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7709         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7710         fold_builtin_snprintf_chk, fold_builtin_printf,
7711         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7712         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7713         * cfgcleanup.c (cleanup_cfg): Likewise.
7714         * cfgexpand.c (tree_expand_cfg): Likewise.
7715         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7716         * function.c (get_next_funcdef_no): Likewise.
7717         * gengtype.c (main): Likewise.
7718         * genmodes.c (main): Likewise.
7719         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7720         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7721         * ifcvt.c (noce_emit_move_insn): Likewise.
7722         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7723         Likewise.
7724         * stor-layout.c (get_best_mode): Likewise.
7725         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7726         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7727         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7728         perform_var_substitution, solve_graph): Likewise.
7729         * tree-vrp.c (vrp_finalize): Likewise.
7730
7731 2007-02-01  Ian Lance Taylor  <iant@google.com>
7732
7733         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7734         high part of a paradoxical subreg, return a constant zero.
7735
7736 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7737
7738         * toplev.c (lang_dependent_init): Call init_set_costs.
7739         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7740
7741 2007-02-01  Richard Guenther  <rguenther@suse.de>
7742
7743         PR middle-end/30656
7744         * fold-const.c (fold_negate_expr): Allow negating a
7745         constant if overflow does not change.
7746
7747 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7748
7749         * doc/c-tree.texi (Expression trees): Improve markup.
7750         * doc/tm.texi (Register Classes, Addressing Modes)
7751         (Floating Point): Fix spacing after abbreviations.  Fix some
7752         typos.
7753
7754 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7755
7756         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7757         * doc/contrib.texi: Likewise.
7758         * doc/install.texi: Likewise.
7759
7760 2007-01-31  Richard Henderson  <rth@redhat.com>
7761             Ian Lance Taylor  <iant@google.com>
7762
7763         * lower-subreg.c: New file.
7764         * rtl.def (CONCATN): Define.
7765         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7766         pass_lower_subreg2.
7767         * emit-rtl.c (update_reg_offset): New static function, broken out
7768         of gen_rtx_REG_offset.
7769         (gen_rtx_REG_offset): Call update_reg_offset.
7770         (gen_reg_rtx_offset): New function.
7771         * regclass.c: Revert patch of 2006-03-05, restoring
7772         reg_scan_update.
7773         (clear_reg_info_regno): New function.
7774         * dwarf2out.c (concatn_loc_descriptor): New static function.
7775         (loc_descriptor): Handle CONCATN.
7776         * common.opt (fsplit_wide_types): New option.
7777         * opts.c (decode_options): Set flag_split_wide_types when
7778         optimizing.
7779         * timevar.def (TV_LOWER_SUBREG): Define.
7780         * rtl.h (gen_reg_rtx_offset): Declare.
7781         (reg_scan_update): Declare.
7782         * regs.h (clear_reg_info_regno): Declare.
7783         * tree-pass.h (pass_lower_subreg): Declare.
7784         (pass_lower_subreg2): Declare.
7785         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7786         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7787         -fsplit-wide-types.
7788         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7789         * Makefile.in (OBJS-common): Add lower-subreg.o.
7790         (lower-subreg.o): New target.
7791
7792 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7793
7794         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7795
7796 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7797
7798         PR target/19087
7799         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7800
7801 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7802
7803         PR middle-end/29335
7804         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7805
7806 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7807
7808         * cfgloop.h: Include vec-prim.h.
7809         (enum li_flags): Remove LI_ONLY_OLD.
7810         (loop_iterator): Changed.
7811         (fel_next, fel_init): Iterate over loop tree.
7812         (FOR_EACH_LOOP_BREAK): New macro.
7813         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7814         FOR_EACH_LOOP.
7815         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7816         * modulo-sched.c (sms_schedule): Ditto.
7817         * tree-vectorizer.c (vectorize_loops): Ditto.
7818         * doc/loop.texi: Update information on loop numbering and behavior of
7819         FOR_EACH_LOOP wrto new loops.
7820         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7821         add_to_evolution_1): Test nestedness of loops instead of comparing
7822         their numbers.
7823         * tree-chrec.c (chrec_fold_plus_poly_poly,
7824         chrec_fold_multiply_poly_poly, chrec_evaluate,
7825         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7826         reset_evolution_in_loop): Ditto.
7827         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7828
7829 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7830
7831         * c-common.c (warn_about_parentheses): Separate warning about
7832         un-parenthized sequence of comparison operators from the one
7833         which is supposed to warn about x <= y <= z.
7834
7835 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7836
7837         * optabs.h (enum optab_index): Add new OTI_isinf.
7838         (isinf_optab): Define corresponding macro.
7839         * optabs.c (init_optabs): Initialize isinf_optab.
7840         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7841         patterns.
7842         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7843         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7844         using isinf_optab.
7845         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7846         expand_builtin_interclass_mathfn.
7847         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7848         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7849         (fxam<mode>2_i387): New insn pattern.
7850         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7851         built-in functions as x87 inline asm.
7852
7853 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7854
7855         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7856
7857 2007-01-30  Eric Christopher  <echristo@apple.com>
7858
7859         * config.gcc: Add geode.
7860
7861 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7862
7863         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7864         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7865         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7866         value-prof.c: Fix comment typos.
7867
7868 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7869
7870         PR c++/24745
7871         * doc/invoke.texi (Wpointer-arith): Document warning.
7872
7873 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7874
7875         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7876         the list of discrepancies from the draft TR.
7877
7878 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7879
7880         PR c++/30601
7881         * doc/invoke.texi (-Wreturn-type): Update description to
7882         match new behavior.
7883
7884 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7885
7886         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7887
7888 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7889
7890         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7891         to handle optabs that operate on floating point input argument and
7892         output to integer output.
7893         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7894         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7895         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7896         expand_builtin_interclass_mathfn ().
7897         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7898         (ilogbsi2): Remove.
7899         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7900         ilogbl built-in functions as x87 intrinsics.
7901
7902 2007-01-30  Richard Guenther  <rguenther@suse.de>
7903
7904         PR middle-end/27657
7905         * dwarf2out.c (reference_to_unused): Query varpool if the
7906         variable was output.
7907
7908 2007-01-30  Richard Guenther  <rguenther@suse.de>
7909
7910         PR middle-end/30313
7911         * passes.c (execute_one_pass): Reset in_gimple_form to not
7912         confuse non-unit-at-a-time mode.
7913
7914 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7915             Richard Guenther  <rguenther@suse.de>
7916
7917         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7918         avoid undefined behaviour on overflow.  Use force_fit_type_double
7919         to construct the constant with the specified TREE_OVERFLOW.
7920
7921 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7922
7923         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7924         * config/dfp-bit.h: Ditto.
7925
7926 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7927
7928         * c-decl.c (pop_scope): Replace warnings with call to
7929         warn_for_unused_label.
7930         * c-common.h (warn_for_unused_label): Declare.
7931         * c-common.c (warn_for_unused_label): Define.
7932
7933 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7934
7935         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7936         function.
7937
7938 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7939
7940         * Makefile.in (USER_H): Remove decfloat.h.
7941         * ginclude/decfloat.h: Delete, moving contents to ...
7942         * ginclude/float.h: Add support for decimal floating point,
7943         guarded by __STDC_WANT_DEC_FP__.
7944
7945 2007-01-29  Mike Stump  <mrs@apple.com>
7946
7947         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7948         Analysis and Representation to resolve case insensitive conflict.
7949         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7950
7951 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7952
7953         * tree.h (struct tree_memory_tag): Add aliases member.
7954         (MTAG_ALIASES): New macro.
7955         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7956         (add_may_alias): Remove pointer-set. Update for may_aliases being
7957         a bitmap.
7958         (mark_aliases_call_clobbered): Update for may_aliases being a
7959         bitmap.
7960         (compute_tag_properties): Ditto.
7961         (create_partition_for): Ditto.
7962         (compute_memory_partitions): Ditto.
7963         (dump_may_aliases_for): Ditto.
7964         (is_aliased_with): Ditto.
7965         (add_may_alias_for_new_tag): Ditto.
7966         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7967         (compute_is_aliased): New function.
7968         (compute_may_aliases): Call compute_is_aliased).
7969         (init_alias_info): Initialize alias_bitmap_obstack.
7970         (union_alias_set_into): New function.
7971         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7972         (have_common_aliases_p): Rewrite to take two bitmaps and use
7973         intersection.
7974         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7975         Update for bitmaps.
7976         (finalize_ref_all_pointers): Update for add_may_alias changes.
7977         (new_type_alias): Ditto.
7978         * tree-flow-inline.h (may_aliases): Return a bitmap.
7979         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7980         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7981         may_aliases being a bitmap.
7982         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7983         may_aliases now returns a bitmap.
7984         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7985         being a bitmap.
7986         * tree-ssa-operands.c (add_virtual_operand): Update for
7987         may_aliases being a bitmap.
7988
7989 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7990
7991         PR tree-optimization/30630
7992         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7993         variable as changed.
7994
7995 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7996
7997         PR c++/28266
7998         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7999         expanded only once even if an error occurs.
8000
8001 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8002
8003         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8004         (__gcov_average_profiler): Likewise.
8005         (__gcov_ior_profiler): Likewise.
8006         (__gcov_merge_ior): Likewise.
8007
8008 2007-01-28  Jan Hubicka  <jh@suse.cz>
8009
8010         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8011         * value-prof.c (stringop_block_profile): Likewise.
8012
8013 2007-01-28  Jan Hubicka  <jh@suse.cz>
8014
8015         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8016         variant handling histograms; add wrapper.
8017         (clear_storage_via_libcall): Export.
8018         (emit_block_move_hints): Break out from ...; add histograms.
8019         (emit_block_move): ... this one.
8020         (clear_storage_hints): Break out from ...; add histograms.
8021         (clear_storage): ... this one.
8022         (set_storage_via_memset): Handle histogram.
8023         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8024         (clear_storage_hints, clear_storage_via_libcall): Declare.
8025         (set_storage_via_setmem): Update prototype.
8026         * doc/md.texi (movmem, setmem): Document new arguments.
8027
8028         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8029         new histograms.
8030         (stringop_block_profile): New global function.
8031         (tree_stringops_values_to_profile): Profile block size and alignment.
8032         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8033         HIST_TYPE_IOR.
8034         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8035         (stringop_block_profile): Declare.
8036         * builtins.c: Include value-prof.h.
8037         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8038         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8039         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8040         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8041         * profile.c (instrument_values): Add new counters.
8042         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8043         calls.
8044         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8045         (tree_init_edge_profiler): Build new profilers.
8046         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8047         (pass_tree_profile): Add dump.
8048         (tree_profile_hooks): Update.
8049         * Makefile.in (LIBGCOV): Add new constants.
8050         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8051         __gcov_ior_profiler): New.
8052         * i386.md (movmem/setmem expanders): Add new optional arguments.
8053
8054 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8055
8056         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8057
8058 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8059
8060         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8061         (tree_unswitch_single_loop): Pass eni_size_weights to
8062         tree_num_loop_insns.
8063         * tree-ssa-loop-manip.c: Include tree-inline.h.
8064         (can_unroll_loop_p): Pass eni_size_weights to
8065         tree_num_loop_insns.
8066         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8067         Pass eni_size_weights to estimate_num_insns.
8068         * tree.h (init_inline_once): Export.
8069         * toplev.c (backend_init): Call init_inline_once.
8070         * cgraphunit.c (cgraph_process_new_functions,
8071         cgraph_analyze_function): Pass eni_inlining_weights to
8072         estimate_num_insns.
8073         * ipa-inline.c (compute_inline_parameters): Ditto.
8074         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8075         to estimate_num_insns.
8076         (try_unroll_loop_completely): Pass eni_size_weights to
8077         tree_num_loop_insns.
8078         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8079         ot estimate_num_insns.
8080         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8081         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8082         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8083         eni_time_weights): New variables.
8084         (init_inline_once): Initialize them.
8085         (struct eni_data): Mew.
8086         (estimate_num_insns_1, estimate_num_insns): Use weights.
8087         * tree-inline.h (struct eni_weights_d): New.
8088         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8089         (estimate_num_insns): Declaration changed.
8090         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8091         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8092         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8093
8094 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8095
8096         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8097         relations in the conflict function is valid.
8098
8099 2007-01-27  Ian Lance Taylor  <iant@google.com>
8100
8101         * common.opt: Add fstrict-overflow.
8102         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8103         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8104         (TYPE_OVERFLOW_UNDEFINED): Define.
8105         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8106         Replace all uses.
8107         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8108         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8109         (fold_negate_expr): Likewise.
8110         (make_range): Likewise.
8111         (extract_muldiv_1): Likewise.
8112         (maybe_canonicalize_comparison): Likewise.
8113         (fold_comparison): Likewise.
8114         (fold_binary): Likewise.
8115         (tree_expr_nonnegative_p): Likewise.
8116         (tree_expr_nonzero_p): Likewise.
8117         * tree-vrp.c (compare_values): Likewise.
8118         (extract_range_from_binary_expr): Likewise.
8119         (extract_range_from_unary_expr): Likewise.
8120         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8121         Likewise.
8122         (nowrap_type_p): Likewise.
8123         * tree-scalar-evolution.c (simple_iv): Likewise.
8124         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8125         (build_range_check): Likewise.
8126         (extract_muldiv_1): Likewise.
8127         (fold_comparison): Likewise.
8128         * tree-vrp.c (vrp_int_const_binop): Likewise.
8129         (extract_range_from_unary_expr): Likewise.
8130         * convert.c (convert_to_integer): Likewise.
8131         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8132         (fold_comparison): Likewise.
8133         (fold_binary): Likewise.
8134         * optabs.c (optab_for_tree_code): Likewise.
8135         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8136         * simplify-rtx.c (simplify_const_relational_operation): Check
8137         flag_strict_overflow and flag_trapv.
8138         (simplify_const_relational_operation): Likewise.
8139         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8140         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8141         -fstrict-overflow.
8142
8143 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8144
8145         * tree.c (tree_fold_gcd): Delete.
8146         * tree.h (tree_fold_gcd): Remove prototype.
8147         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8148         test whether one constant integer is a multiple of another.  Instead
8149         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8150         * fold-const.c (multiple_of_p):  We've determined both TOP and
8151         BOTTOM are integer constants so we can call int_const_binop directly
8152         instead of the more generic const_binop.
8153
8154 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8155
8156         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8157         1*X check that the constant hasn't overflowed, to preserve the
8158         TREE_OVERFLOW bit.
8159         (round_up): Provide an efficient implementation when rouding-up an
8160         INTEGER_CST to a power-of-two.
8161
8162 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8163
8164         * doc/sourcebuild.texi: Add comma for clarity.
8165         * doc/extend.texi: Fix some typos.
8166         * doc/passes.texi: Likewise.
8167         * doc/cppinternals.texi: Likewise.
8168         * doc/c-tree.texi: Likewise.
8169         * doc/tree-ssa.texi: Likewise.
8170         * doc/install.texi: Likewise.
8171
8172 2007-01-27  Jan Hubicka  <jh@suse.cz>
8173
8174         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8175         (pass_sra): Do not require alias information.
8176         * passes.c (init_optimization_passes): Add SRA
8177
8178 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8179
8180         * tracer.c (rest_of_handle_tracer): We already cleaned
8181         up the CFG in tracer() so don't do it here again.
8182         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8183         cleanup_cfg here, either.  And don't call renumber_insns.
8184
8185         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8186         and BB_HEAD are in the insn stream here.  Instead make sure
8187         that BB_INSN is valid on all insns.  Also, do check here that
8188         there are no pending branch predictions...
8189         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8190         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8191         here.
8192
8193 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8194
8195         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8196         function to simplify/factorize operand order canonicalization.
8197         (ix86_fixup_binary_operands): Reorganize using the above function.
8198         (ix86_binary_operator_ok): Likewise.
8199
8200 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8201
8202         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8203         file scope from optimize_attrs.
8204         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8205         up search.
8206         (optimize_attrs): Clear insn_code_values after freeing it.
8207
8208 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8209
8210         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8211         a parts.base assignment.
8212
8213 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8214
8215         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8216         (compute_subscript_distance, initialize_data_dependence_relation,
8217         finalize_ddr_dependent, analyze_ziv_subscript,
8218         analyze_siv_subscript_cst_affine,
8219         compute_overlap_steps_for_affine_univar,
8220         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8221         analyze_siv_subscript, analyze_miv_subscript,
8222         analyze_overlapping_iterations, subscript_dependence_tester_1,
8223         compute_self_dependence, free_dependence_relation): Work
8224         with affine_fn instead of chrecs.
8225         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8226         common_affine_function, affine_function_base,
8227         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8228         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8229         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8230         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8231         (all_chrecs_equal_p): Removed.
8232         * tree-data-ref.h (affine_fn, conflict_function): New types.
8233         (struct subscript): Change type of conflicting_iterations_in_a
8234         and conflicting_iterations_in_b.
8235
8236 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8237
8238         PR other/30182
8239         * config/pa/pa.h (TARGET_HPUX_11): New.
8240         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8241         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8242
8243 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8244         Richard Guenther  <rguenther@suse.de>
8245
8246         * tree-ssa-structalias.c (solve_graph): Handle case
8247         we merged the variable to another.
8248
8249 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8250
8251         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8252         functions.
8253
8254         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8255         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8256
8257 2007-01-25  DJ Delorie  <dj@redhat.com>
8258
8259         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8260         allow changes to modes which don't fit in those registers.
8261
8262         * reload1.c (choose_reload_regs): Check for invalid subregs before
8263         computing their locations, not after.
8264
8265 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8266
8267         PR 25127
8268         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8269         save Altivec registers in an eh_return function.
8270         (compute_vrsave_mask): Likewise.
8271         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8272         for saving Altivec registers.
8273         (rs6000_emit_prologue): Don't allocate stack twice in
8274         eh_return function.  Correct expected value of altivec_save_offset
8275         when using save_world.  Describe save of R0 to stack when using
8276         save_world.  Describe stack pointer adjustment when using
8277         save_world.  Remove duplicated eh_return parameter register saving.
8278         Update sp_offset variable after save_world.
8279         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8280         darwin-world.asm.
8281         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8282         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8283         implies Altivec.
8284
8285 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8286
8287         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8288
8289 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8290
8291         PR other/30182
8292         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8293         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8294
8295 2007-01-25  Richard Guenther  <rguenther@suse.de>
8296
8297         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8298         * common.opt (-Wcoverage-mismatch): New warning option.
8299         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8300         if -Wcoverage-mismatch is given.
8301
8302 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8303
8304         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8305         (ipcp_driver): Change to static definition.
8306         Add dumping of the ifunctions.
8307         (constant_val_insert): Remove unused parameter. Support for SSA.
8308         (ipcp_propagate_const): Support for SSA.
8309         (ipcp_profile_bb_print): Print only analyzed nodes.
8310         (ipcp_replace_map_create): Remove support for Fortran constant
8311         for now.
8312         * ipa-prop.c (ipa_method_modify_stmt,
8313         ipa_callsite_compute_param): Support for SSA.
8314         * ipa-prop.h (ipcp_driver): Remove declaration.
8315         (IS_VALID_TREE_MAP_INDEX): Add define.
8316
8317 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8318
8319         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8320
8321 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8322
8323         PR middle-end/30447
8324         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8325         constant argument to cabs and do it without checking for
8326         -funsafe-math-optimizations.
8327
8328 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8329
8330         * c-common.h (RID_FIRST_CXX0X): New.
8331         (RID_LAST_CXX0X): New.
8332         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8333         by -Wall.
8334         * c.opt (Wc++0x-compat): New.
8335         * doc/invoke.texi (-Wc++0x-compat): Document.
8336
8337 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8338
8339         * builtins.c (fold_builtin_carg): New.
8340         (fold_builtin_1): Use it.
8341
8342 2007-01-24  Jan Hubicka  <jh@suse.cz>
8343
8344         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8345
8346         * ipa-inline.c (initial_insns, max_insns): Delete.
8347         (compute_max_insns): New function.
8348         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8349         of insns as base for code growth.
8350         (cgraph_decide_inlining): Make initial_insns local; do not compute
8351         max_insns.
8352         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8353         * doc/invoke.texi (inline-unit-growth): Update docs.
8354
8355 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8356
8357         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8358         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8359         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8360         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8361         for CPUs that have PTA_CX16 set.
8362
8363         PR middle-end/27416
8364         * gimplify.c (omp_check_private): New function.
8365         (gimplify_scan_omp_clauses): Use it for
8366         firstprivate/lastprivate/reduction.
8367
8368         PR middle-end/30494
8369         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8370         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8371
8372         PR middle-end/30421
8373         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8374         If lower_lastprivate_clauses emits some statements, append them
8375         to dlist rather than body_p and to body_p append an initializer.
8376         (lower_omp_for): Adjust caller.
8377
8378 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8379
8380         * target.h (globalize_decl_name): New.
8381         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8382         * output.h (default_globalize_decl_name): New.
8383         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8384         globalize_label.
8385         (globalize_decl): Ditto.
8386         (default_globalize_decl_name): New.
8387         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8388         (ia64_handle_version_id_attribute): New.
8389         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8390         (ia64_asm_output_external): Use globalize_decl_name instead
8391         of globalize_label.
8392         * doc/extend.texi (version_id): New pragma.
8393         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8394
8395 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8396
8397         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8398         _uleb128_t and _Unwind_SWord with _sleb128_t.
8399         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8400         uw_frame_state_for, uw_update_context_1): Likewise.
8401         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8402         * unwind-pe.h (read_uleb128, read_sleb128,
8403         read_encoded_value_with_base): Likewise.
8404         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8405
8406 2007-01-24  Richard Guenther  <rguenther@suse.de>
8407
8408         * builtins.c (expand_builtin_cexpi): Get the fndecl
8409         for cexp in the correct way.
8410
8411 2007-01-24  Jan Hubicka  <jh@suse.cz>
8412
8413         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8414
8415 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8416
8417         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8418         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8419         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8420         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8421         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8422         __SIZEOF_PTRDIFF_T__.
8423         * doc/cpp.texi: Documentation for the new builtin macros added.
8424
8425 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8426
8427         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8428         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8429         instead of operands[2] to avoid access past the end of array.
8430
8431 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8432
8433         * reload1.c (emit_reload_insns): Pass the reload register
8434         for a non-spill output reload through forget_old_reloads_1.
8435
8436 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8437
8438         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8439         _SOFT_DOUBLE if doubles use software floating-point.
8440         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8441         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8442         * config/rs6000/darwin-ldouble.c: Also compile functions for
8443         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8444         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8445         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8446         commented-out long double override.
8447         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8448         * config/rs6000/eabispe.h: Likewise.
8449         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8450         long double for non-SPE.
8451         (rs6000_handle_option): Likewise.
8452         (invalid_e500_subreg): Disallow more subregs involding DImode,
8453         DFmode, TImode or TFmode.
8454         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8455         E500 double.
8456         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8457         double.
8458         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8459         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8460         double.
8461         (rs6000_legitimate_address): Also check for TFmode for E500
8462         double.
8463         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8464         (spe_build_register_parallel): Handle TFmode and TCmode.
8465         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8466         double.
8467         (function_arg): Handle TFmode and TCmode for E500 double.
8468         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8469         in general.
8470         (print_operand): Handle TFmode and TImode for %y.
8471         (rs6000_generate_compare): Handle TFmode comparisons for E500
8472         double.
8473         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8474         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8475         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8476         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8477         TFmode for E500 double.
8478         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8479         (floatsidf2): Enable for E500 double.
8480         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8481         (extenddftf2): Change to extenddftf2_fprs.
8482         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8483         depending on TARGET_E500_DOUBLE.
8484         (extendsftf2): Enable for E500 double.
8485         (trunctfdf2): Enable for E500 double.
8486         (trunctfsf2): Change to trunctfsf2_fprs.
8487         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8488         depending on TARGET_E500_DOUBLE.
8489         (floatsitf2): Enable for E500 double.
8490         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8491         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8492         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8493         (negtf2): Change to negtf2_internal.
8494         (negtf2): New expander.
8495         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8496         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8497         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8498         (movdi_internal32): Use rs6000_nonimmediate_operand.
8499         (unnamed splitter): Likewise.
8500         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8501         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8502         (SPE64TF, DITI): New mode macros.
8503         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8504         modes.
8505         (frob_tf_ti): New.
8506         (frob_<mode>_di_2): New.
8507         (frob_tf_di_8_2): New.
8508         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8509         (frob_ti_tf): New.
8510         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8511         more modes.
8512         (frob_ti_<mode>_8_2): New.
8513         (frob_ti_tf_2): New.
8514         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8515         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8516         TFmode.
8517         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8518         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8519         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8520         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8521         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8522         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8523         tsttflt_gp): New.
8524
8525 2007-01-23  Ian Lance Taylor  <iant@google.com>
8526
8527         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8528         insn-*.o first.
8529         (OBJS-archive): Reformat, alphabetize.
8530         (OBJS): Change out_object_file to OBJS-md.
8531
8532 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8533
8534         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8535         JUMP_P and CALL_P predicates where applicable.
8536         * config/i386/i386.c: Ditto.
8537         * config/i386/i386.md: Ditto.
8538         * config/i386/mmx.md: Ditto.
8539         * config/i386/predicates.md: Ditto.
8540
8541 2007-01-22  Andreas Schwab  <schwab@suse.de>
8542
8543         * config/m68k/m68k.h: Fix comment.
8544
8545 2007-01-22  Jan Hubicka  <jh@suse.cz>
8546
8547         * passes.c (init_optimization_passes): Do not rerun
8548         pass_early_warn_uninitialized.
8549
8550 2007-01-22  Richard Guenther  <rguenther@suse.de>
8551
8552         PR tree-optimization/30038
8553         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8554         function.
8555         (execute_cse_sincos_1): Likewise.
8556         (execute_cse_sincos): Likewise.
8557         (gate_cse_sincos): Likewise.
8558         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8559         the cexpi() canonicalization of sincos().
8560         * tree-pass.h (pass_cse_sincos): Declare.
8561         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8562
8563 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8564
8565         PR rtl-optimization/29329
8566         * combine.c (replaced_rhs_insn): Rename to i2mod.
8567         (replaced_rhs_value): Rename to i2mod_new_rhs.
8568         (i2mod_old_rhs): New global variable.
8569         (combine_instructions): Adjust for above change.  Save a copy of
8570         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8571         note are substituted in the second instruction.
8572         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8573         ditch the note if it pertains to the second eliminated register
8574         and this register is mentioned in i2mod_old_rhs.
8575
8576         Revert:
8577         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8578
8579         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8580         the insn to which the note was originally attached.
8581
8582 2007-01-21  Jan Hubicka  <jh@suse.cz>
8583
8584         * ipa-inline.c (inlining_mode): Comment, move up.
8585         (cgraph_decide_inlining_incrementally): Do not perform inlining
8586         itself; fix handling of flattening of self recursive functions.
8587         (cgraph_find_cycles): Remove.
8588         (cgraph_flatten_node): Remove.
8589         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8590         (try_inline): New function.
8591         (cgraph_early_inlining): Update call of
8592         cgraph_decide_inlining_incrementally.  Apply inlining here.
8593         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8594
8595 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8596
8597         PR bootstrap/30511
8598         * tree-vrp.c (check_array_bounds): do not warn
8599         about ADDR_EXPR's of ARRAY_REF's which are immediately
8600         used in binary expressions.
8601
8602 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8603
8604         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8605         read_write_dep and macros for its access.
8606         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8607         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8608         argument, call vect_check_interleaving for every independent pair of
8609         data-refs. Mark loads that access the same memory location as a store
8610         in the loop.
8611         (vect_check_dependences): Remove.
8612         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8613         call, fix the call to vect_analyze_data_ref_dependence.
8614         (vect_analyze_data_ref_access): For statements that access the same
8615         data-ref, check that they are not stores; for loads, check that there
8616         is no store that access the same location.
8617
8618 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8619             Joseph Myers  <joseph@codesourcery.com>
8620
8621         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8622         (-fdump-rtl-stack): Likewise.
8623         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8624         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8625         (-mpt-fixed): Use @minus{} for minus sign.
8626         (Using Precompiled Headers): Fix under/overfull hbox.
8627
8628 2007-01-20  Jan Hubicka  <jh@suse.cz>
8629
8630         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8631         place within annotation.
8632
8633 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8634
8635         * pa.c (output_move_double): Change array size of xoperands to 4.
8636
8637 2007-01-20  Jan Hubicka  <jh@suse.cz>
8638
8639         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8640         as temporary.
8641
8642 2007-01-19  Ian Lance Taylor  <iant@google.com>
8643
8644         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8645         constant to unsigned HOST_WIDE_INT before negating.
8646
8647 2007-01-19  Ian Lance Taylor  <iant@google.com>
8648
8649         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8650         to unsigned.
8651         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8652         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8653         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8654         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8655         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8656         (realloc_vdef, realloc_vuse): Change second parameter to
8657         unsigned.
8658         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8659         fields to unsigned.
8660         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8661         unsigned. Change x and lim locals to unsigned.
8662         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8663         unsigned.
8664         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8665         (copy_virtual_operands): Change i and n locals to unsigned.
8666
8667 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8668
8669         PR middle-end/29335
8670         * builtins.c (fold_builtin_1): Handle builtin fdim.
8671
8672 2007-01-20  Jan Hubicka  <jh@suse.cz>
8673
8674         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8675         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8676         init_alias_heapvars.
8677         (init_alias_heapvars): Initialize only when not already initialized.
8678         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8679
8680 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8681
8682         * common.opt (fsigned-zeros): New command line option.
8683         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8684         of flag_unsafe_math_optimizations.
8685         * opts.c (set_fast_math_flags): The -ffast-math command line option
8686         implies -fno-signed-zeros.
8687         (fast_math_flags_set_p): Likewise.
8688
8689         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8690         the documentation of -ffast-math appropriately.  Wrap long lines.
8691
8692 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8693
8694         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8695         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8696
8697 2007-01-19  Tomas Bily  <tbily@suse.cz>
8698
8699         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8700         * tree-profile.c:
8701         (tree_init_ic_make_global_vars): New function
8702         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8703         (tree_gen_ic_profiler): New function
8704         (tree_gen_ic_func_profiler): New function
8705         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8706         (tree_profile_hooks): Added hook for indirec/virtual calls
8707         * value-prof.c (tree_find_values_to_profile): New case for
8708         indirect calls
8709         (tree_values_to_profile): Call for determining indirect/virtual
8710         counters
8711         (tree_indirect_call_to_profile): New function
8712         (tree_ic_transform): New function
8713         (tree_ic): New function
8714         (find_func_by_pid): New function
8715         (init_pid_map): New function
8716         (tree_value_profile_transformations): Added check for
8717         indirect/virtual call transformation
8718         * value-prof.h (enum hist_type): New counter type for
8719         indirect/virtual calls
8720         (profile_hooks): Added new hook for profiling indirect/virtual
8721         calls
8722         * profile.c (instrument_values): New case for indirect/virtual
8723         call added
8724         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8725         (GCOV_COUNTER_V_INDIR): New counter type
8726         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8727         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8728         call added
8729         * cgraph.c: Definition of cgraph_max_pid
8730         (cgraph_create_node): Default init of pid attribute
8731         * cgraph.h: Declaration of cgraph_max_pid
8732         (struct cgraph_node): Added pid attribute
8733         * libgcov.c (__gcov_indirect_call_profiler): New function
8734         (__gcov_one_value_profiler_body): New function
8735         (__gcov_one_value_profiler): Body was moved to
8736         __gcov_one_value_profiler_body and calls it
8737
8738 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8739
8740         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8741         * gengtype.c (write_types_data, write_func_for_structure,
8742         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8743         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8744         (walk_type, write_func_for_structure): Generate the mark_hook if
8745         needed.
8746
8747 2007-01-19  Jan Hubicka  <jh@suse.cz>
8748
8749         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8750         'early' argument take inlining mode argument specifying whether to
8751         inline for size/speeed or all functions; add support for flattening;
8752         improve dumpting.
8753         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8754
8755 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8756
8757         PR c++/17947
8758         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8759         the name of the declared identifier.
8760
8761 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8762
8763         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8764         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8765         duplicate evaluation.
8766
8767 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8768
8769         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8770         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8771         to XFMode, use acosxf2 and truncate result to requested mode.
8772         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8773         (asin<mode>2): Similarly, with asin expanders.
8774         (*fscalexf4_i387): Rename from *fscalexf4.
8775         (expNcorexf3): New expander.
8776         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8777         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8778         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8779         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8780         patterns for SSE math.
8781         (exp10<mode>2): Similarly, with exp10 expanders.
8782         (exp2<mode>2): Similarly, with exp2 expanders.
8783         (expm1<mode>2): Similarly, with expm1 expanders.
8784         (ldexp<mode>3): Similarly, with ldexp expanders.
8785         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8786         Use gen_truncxf<mode>2_i387_noop to truncate result.
8787
8788 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8789
8790         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8791         for ColdFire targets.
8792
8793 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8794             Richard Sandiford  <richard@codesourcery.com>
8795
8796         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8797         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8798         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8799         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8800         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8801         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8802
8803 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8804
8805         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8806         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8807         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8808         (*adddi_dilshr32_cf): New pattern.
8809         (adddi3, subdi3): Remove first alternatives.
8810
8811 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8812
8813         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8814         implemented using move.l, do not use its cc result for floating-point
8815         comparisons.
8816
8817 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8818
8819         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8820         from accepting 's' constraints if flag_pic.
8821
8822 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8823
8824         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8825         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8826         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8827         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8828
8829 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8830
8831         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8832         ColdFire alternatives.
8833         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8834         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8835         architectures that support ff1 instruction.
8836
8837 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8838             Julian Brown  <julian@codesourcery.com>
8839
8840         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8841         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8842         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8843         Add commentary.
8844
8845 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8846
8847         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8848         and return a bool.
8849         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8850         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8851         HOST_WIDE_INT instead of an rtx.
8852         (m68k_rtx_costs): Update call accordingly.
8853         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8854         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8855         Return a bool.
8856         (output_move_simode_const): Update calls after above changes.
8857         Rework to use automatic variables and predicates like MEM_P.
8858         * config/m68k/m68k.md (pushexthisi_const): Update call to
8859         valid_mov3q_const.
8860
8861 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8862
8863         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8864         in dump_flags test.
8865
8866 2007-01-19  Richard Guenther  <rguenther@suse.de>
8867
8868         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8869         via cexp in case sincos is not available.
8870
8871 2007-01-19  Richard Guenther  <rguenther@suse.de>
8872
8873         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8874         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8875         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8876         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8877         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8878         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8879         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8880         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8881
8882 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8883
8884         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8885         New insn patterns.
8886         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8887         (atan2xf3): Directly generate RTL pattern.
8888         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8889         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8890         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8891         disable patterns for SSE math.
8892         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8893         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8894         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8895         disable patterns for SSE math.
8896
8897 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8898
8899         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8900
8901 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8902
8903         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8904         VIEW_CONVERT_EXPR to the same type as it's operand.
8905
8906 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8907
8908         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8909         configured for long double 128.
8910
8911 2007-01-18  Mike Stump  <mrs@apple.com>
8912
8913         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8914         error.
8915
8916 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8917
8918         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8919         type correct.
8920
8921 2007-01-18  Jan Hubicka  <jh@suse.cz>
8922
8923         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8924         greater than NUM_VOP_FREE_BUCKETS.
8925
8926 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8927
8928         * tree-ssa-structalias.c: Update comments.
8929         (ptabitmap_obstack): Removed.
8930         (pta_obstack): New.
8931         (oldpta_obstack): Ditto.
8932         (stats): Add a few members.
8933         (struct variable_info): Remove node, complex, address_taken, and
8934         indirect_target members. Add oldsolution member.
8935         (new_var_info): Do not initialize removed members.
8936         (constraint_expr_type): Remove INCLUDES.
8937         (constraint_graph): Add size, implicit_preds, rep,
8938         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8939         (FIRST_REF_NODE): New macro.
8940         (LAST_REF_NODE): Ditto.
8941         (FIRST_ADDR_NODE): Ditto.
8942         (find): New function.
8943         (unite): Ditto.
8944         (dump_constraint): Do not handle INCLUDES.
8945         (insert_into_complex): Do not insert duplicate constraints.
8946         (condense_varmap_nodes): Renamed and rewritten into ...
8947         (merge_node_constraints): This. Also fix bug in handling of
8948         offseted copy constraints.
8949         (clear_edges_for_node): No longer need to deal with preds at all,
8950         or removing associated preds/succs.
8951         (merge_graph_nodes): Deal with indirect_cycles.
8952         Don't deal with predecessors.
8953         (add_implicit_graph_edge): New function.
8954         (add_pred_graph_edge): Ditto.
8955         (add_graph_edge): Don't deal with predecessors.
8956         (build_constraint_graph): Removed.
8957         (build_pred_graph): New function.
8958         (build_succ_graph): Ditto.
8959         (struct scc_info): Removed in_component. Added roots, dfs, and
8960         node_mapping. Remove visited_index, unification_queue.
8961         (scc_visit): Deal with union-find we do now.
8962         Deal with cycles with REF nodes.
8963         (collapse_nodes): Renamed and rewritten to ...
8964         (unify_nodes): This.
8965         (process_unification_queue): Removed.
8966         (topo_visit): Cleanup
8967         (do_da_constraint): Use find.
8968         (do_sd_constraint): Ditto.
8969         (do_ds_constraint): Ditto.
8970         (do_complex_constraint): Ditto.
8971         (init_scc_info): Update for removed and added members.
8972         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8973         (find_indirect_cycles): This.
8974         (equivalence_class): New variable.
8975         (label_visit): New function.
8976         (perform_variable_substitution): Rewritten.
8977         (free_var_substitution_info): New function.
8978         (find_equivalent_node): Ditto.
8979         (move_complex_constraints): Ditto.
8980         (eliminate_indirect_cycles): Ditto.
8981         (solve_graph): Only propagate changed bits.
8982         Use indirect cycle elimination.
8983         Use find.
8984         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8985         (tree_id_eq): Renamed to ...
8986         (tree_vi_eq): This. Update for member change
8987         (insert_id_for_tree): Renamed and rewritten to ...
8988         (insert_vi_for_tree): This.
8989         (lookup_id_for_tree): Renamed and rewritten to ...
8990         (lookup_vi_for_tree): This.
8991         (get_id_for_tree): Renamed and rewritten to ...
8992         (get_vi_for_tree): Ditto.
8993         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8994         (process_constraint): Don't handle INCLUDES.
8995         Remove special ADDRESSOF case.
8996         (find_func_aliases): Rewrite to use vi functions instead of id
8997         ones.
8998         (create_function_info_for): Ditto.
8999         (create_variable_info_for): Ditto.
9000         (intra_create_variable_infos): Ditto.
9001         (merge_smts_into): Ditto.
9002         (find_what_p_points_to): Ditto.
9003         (init_base_vars): Ditto.
9004         (init_alias_vars): Ditto.
9005         (remove_preds_and_fake_succs): New function.
9006         (dump_sa_points_to_info): Dump new stats.
9007         (dump_solution_for_var): Use find.
9008         (set_used_smts): Fix formatting.
9009         (compute_points_to_sets): Updated for new functions.
9010         (ipa_pta_execute): Ditto.
9011
9012 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9013             Richard Sandiford  <richard@codesourcery.com>
9014
9015         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9016         parallels.
9017         * calls.c (expand_call): If the return value is a PARALLEL,
9018         extract its first member.
9019         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9020         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9021         use FUNCTION_EXTRA_EPILOGUE.
9022         (m68k_function_value): Return a PARALLEL if the return value
9023         is of a pointer type.
9024         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9025         (FUNCTION_EXTRA_EPILOGUE): Remove.
9026         * config/m68k/m68k.md (D0_REG): New constant.
9027
9028 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9029
9030         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9031         output a NOP for empty epilogues.
9032
9033 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9034
9035         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9036         before function.  Extend register save check to include all
9037         registers, not just integer ones.
9038
9039 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9040
9041         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9042         (m68k_use_return_insn): ...this.
9043         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9044         * config/m68k/m68k.c (use_return_insn): Rename to...
9045         (m68k_use_return_insn): ...this.
9046         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9047         of USE_RETURN_INSN.
9048
9049 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9050
9051         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9052         nearest even, fix denormal rounding overflow.
9053
9054 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9055
9056         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9057         f%$smove and f%$move.
9058         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9059         (extendsfdf2_cf): Use fdmove instead of f%&move.
9060         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9061         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9062
9063 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9064
9065         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9066         GPR<-GPR moves.
9067
9068 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9069
9070         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9071         (coldfire_single_format): Declare.
9072         (coldfire_double_format): Likewise.
9073         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9074         of qnan_msb_set to determine the lower bits of a canonical
9075         NaN significand.
9076         (encode_ieee_double): Likewise.
9077         (encode_ieee_quad): Likewise.
9078         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9079         (mips_single_format): Likewise.
9080         (ieee_double_format): Likewise.
9081         (mips_double_format): Likewise.
9082         (ieee_extended_motorola_format): Likewise.
9083         (ieee_extended_intel_96_format): Likewise.
9084         (ieee_extended_intel_128_format): Likewise.
9085         (ieee_extended_intel_96_round_53_format): Likewise.
9086         (ibm_extended_format): Likewise.
9087         (mips_extended_format): Likewise.
9088         (ieee_quad_format): Likewise.
9089         (mips_quad_format): Likewise.
9090         (vax_f_format): Likewise.
9091         (vax_d_format): Likewise.
9092         (vax_g_format): Likewise.
9093         (i370_single_format): Likewise.
9094         (i370_double_format): Likewise.
9095         (decimal_single_format): Likewise.
9096         (decimal_double_format): Likewise.
9097         (decimal_quad_format): Likewise.
9098         (c4x_single_format): Likewise.
9099         (c4x_extended_format): Likewise.
9100         (real_internal_format): Likewise.
9101         (coldfire_single_format): New real_format.
9102         (coldfire_double_format): Likewise.
9103         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9104         canonical_nan_lsbs_set.
9105         (pdp11_d_format): Likewise.
9106         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9107         if TARGET_COLDFIRE_CPU.
9108
9109 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9110
9111         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9112         (output_call, m68k_legitimize_call_address): Declare.
9113         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9114         parenthesees.  Add support for a 'W' constraint.
9115         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9116         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9117         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9118         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9119         variables.
9120         (override_options): Initialize them.  Do not set flag_no_function_cse
9121         for TARGET_ID_SHARED_LIBRARY.
9122         (m68k_output_pic_call): Delete.
9123         (m68k_legitimize_call_address): New function.
9124         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9125         (output_call): New function.
9126         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9127         target address from the GOT if symbolic jumps are not allowed.
9128         * config/m68k/m68k.md (call, general_operand): Do not set
9129         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9130         Merge separate flag_pic and !flag_pic define_insns into...
9131         (*call, *call_value): ...these new patterns.  Match the address
9132         rather than the containing MEM and require it to be a call_operand.
9133         Use output_call to generate the asm template.
9134         * config/m68k/predicates.md (const_call_operand): New predicate.
9135         (call_operand): Likewise.
9136
9137 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9138
9139         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9140         (STACK_GROWS_DOWNWARD): Define to 1.
9141         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9142         comments, emphasizing that these values are only defaults.
9143         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9144         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9145
9146 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9147
9148         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9149
9150 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9151             Richard Sandiford  <richard@codesourcery.com>
9152
9153         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9154         (FP_REGNO_P): New macros.
9155         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9156         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9157         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9158         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9159
9160 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9161
9162         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9163         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9164         to $tmake_file.
9165         * config/m68k/t-floatlib: New file, extracting common code from...
9166         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9167         * config/m68k/t-uclinux: Here.
9168         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9169         routines on ColdFire targets.
9170
9171 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9172
9173         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9174         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9175         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9176         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9177         explicitly set MOTOROLA to 1.
9178         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9179
9180 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9181             Nathan Sidwell  <nathan@codesourcery.com>
9182
9183         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9184         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9185         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9186         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9187         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9188         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9189         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9190         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9191         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9192         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9193         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9194         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9195         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9196         (DBX_REGISTER_NUMBER): Delete.
9197         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9198         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9199         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9200
9201 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9202
9203         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9204         * config/flat.h: New file.
9205         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9206         OBJECT_FORMAT_FLAT.
9207         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9208         indirect references for -msep-data or -mid-shared-library.
9209         Do not use PC-relative code addresses either.
9210         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9211         to -mpcrel.
9212         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9213         for shared libraries and crt1.o for executables.  Use crti.o and
9214         crtbegin.o.
9215         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9216         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9217         Do not add -elf2flt or -shared-lib-id options here.
9218         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9219         Pass -shared-lib-id if -mid-shared-library, taking the library
9220         identifier from -mshared-library-id if given, otherwise
9221         defaulting to 0.
9222         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9223         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9224         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9225         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9226         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9227         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9228         and crtend.o.
9229         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9230         jump sequence for ISA A and ISA A+.
9231         (PICJUMP): Likewise.
9232
9233 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9234
9235         * config.gcc (m68k-*-uclinux*): Base the port on the common
9236         and m68k GNU/Linux files rather than on the generic ELF ones.
9237         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9238         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9239
9240 2007-01-18  Julian Brown  <julian@codesourcery.com>
9241             Richard Sandiford  <richard@codesourcery.com>
9242
9243         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9244         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9245         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9246         before redefining.
9247         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9248         80 unconditionally.
9249         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9250
9251 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9252
9253         * doc/install.texi: Document m68k-uclinuxoldabi.
9254         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9255         * config/m68k/uclinux-oldabi.h: New file, copied from
9256         config/m68k/uclinux.h.
9257
9258 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9259
9260         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9261         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9262         (m32r_compute_frame_size): Use unsigned for regno.
9263         (m32r_reload_lr): Use gen_frame_mem.
9264         (pop): New.
9265         (m32r_output_function_epilogue): Don't output the function epilogue
9266         textually here.
9267         (m32r_expand_epilogue): New.
9268         (direct_return): Return false if the function has the interrupt
9269         attribute.
9270         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9271         * config/m32r/m32r.md (epilogue): New expander.
9272         (return_lr, return_rte): New insns.
9273         (return): Make it expander.
9274         (return_normal): New expander.
9275
9276 2007-01-18  Josh Conner  <jconner@apple.com>
9277
9278         PR target/30485
9279         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9280         support for UNLE, UNLT, UNGE, and UNGT.
9281
9282 2007-01-18  Jan Hubicka  <jh@suse.cz>
9283
9284         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9285         * tree-tailcall (add_virtual_phis): Likewise.
9286         (optimize_tail_call): Return TODOs.
9287         (execute_tail_calls): Return TODOs.
9288         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9289         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9290         changed.
9291         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9292         Cleanup cfg using TODO.
9293         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9294         * passes.c (execute_function_todo): When cleanup did something, remove
9295         unused locals.
9296         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9297         (make_edges): Don't cleanup_cfg.
9298
9299 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9300
9301         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9302         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9303         operate on the top of stack.
9304         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9305         register handling of instructions that output to the second
9306         stack slot.
9307         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9308         (move_for_stack_reg): Special-case check for dead destination
9309         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9310
9311         * config/i386/i386.md (UNSPEC_TAN): New constant.
9312         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9313         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9314         to correctly model move of constant 1.0 to top stack slot.
9315         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9316         (unnamed peephole2 pattern): Remove corresponding peephole2
9317         pattern that optimizes tan insn and loading of constant 1.0.
9318         (tanxf2): Use fptanxf4_i387.
9319         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9320         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9321         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9322         disable patterns for SSE math.
9323         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9324         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9325
9326 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9327             Richard Guenther <rguenther@suse.de>
9328
9329         PR diagnostic/8268
9330         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9331         * common.opt (Warray-bounds): Add new warning option.
9332         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9333         if -Wall is given.
9334         * Makefile.in: make tree-vrp.o depend on toplev.h
9335         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9336         is enabled.
9337         (check_array_refs, check_array_bounds, check_array_ref): New.
9338
9339 2007-01-18  Jan Hubicka  <jh@suse.cz>
9340
9341         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9342         (execute_ssa_ccp): Return flags conditionally.
9343         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9344         changed.
9345         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9346
9347 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9348
9349         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9350         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9351
9352         * Makefile.c (GTFILES): Add cfglayout.h.
9353         * gengtype.c (open_base_files): Likewise.
9354         * cfglayout.c (cfg_layout_function_footer,
9355         cfg_layout_function_header) Reindent to make gengtype happy.
9356         * cfglayout.h (cfg_layout_function_footer,
9357         cfg_layout_function_header): Add GTY(()) marker.
9358
9359         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9360
9361 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9362
9363         * genautomata.c (write_automata): Include xstrerror output in the
9364         error message if writing the DFA description file fails.
9365
9366 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9367
9368         * config/mips/mips-protos.h (mips_output_external): Make it
9369         return void.
9370         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9371         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9372         (extern_list): Likewise.
9373         (extern_head): Likewise.
9374         (TARGET_ASM_FILE_END): Likewise.
9375         (mips_file_end): Likewise.
9376         (mips_output_external): Rewritten.
9377
9378 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9379
9380         * genpreds.c (write_insn_preds_c): Only write out the function
9381         body for regclass_for_constraint if we have register constraints.
9382
9383 2007-01-17  Tom Tromey  <tromey@redhat.com>
9384
9385         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9386         * doc/install.texi (Testing): Use sourceware.org.
9387         (Binaries): Likewise.
9388         (Specific): Likewise.
9389         * doc/contrib.texi (Contributors): Use sourceware.org.
9390
9391 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9392
9393         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9394         (AVR_ENHANCED): Rename to ...
9395         (AVR_HAVE_MUL): ... new.
9396         (avr_enhanced_p): Rename to ...
9397         (avr_have_mul_p): ... new.
9398         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9399         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9400         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9401         (avr_have_mul_p): ... new.
9402         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9403         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9404         'avr_enhanced_p' and 'enhanced'.
9405         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9406         AVR_HAVE_MUL instead of AVR_ENHANCED.
9407         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9408         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9409         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9410         instead of AVR_ENHANCED.
9411         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9412         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9413         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9414
9415 2007-01-17  Ian Lance Taylor  <iant@google.com>
9416
9417         * vec.h (VEC_reserve_exact): Define.
9418         (vec_gc_p_reserve_exact): Declare.
9419         (vec_gc_o_reserve_exact): Declare.
9420         (vec_heap_p_reserve_exact): Declare.
9421         (vec_heap_o_reserve_exact): Declare.
9422         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9423         versions.
9424         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9425         negative parameter.
9426         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9427         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9428         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9429         * vec.c (calculate_allocation): Add exact parameter.  Change all
9430         callers.
9431         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9432         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9433         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9434         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9435         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9436         (vec_heap_p_reserve_exact): New function.
9437         (vec_heap_o_reserve_exact): New function.
9438
9439 2007-01-17  Jan Hubicka  <jh@suse.cz>
9440
9441         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9442
9443 2007-01-17  Eric Christopher  <echristo@apple.com>
9444
9445         * config.gcc: Support core2 processor.
9446
9447 2007-01-16  Jan Hubicka  <jh@suse.cz>
9448
9449         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9450         the names, just unlink the chain so we don't crash on dangling pointers
9451         to dead SSA names.
9452
9453 2007-01-16  Jan Hubicka  <jh@suse.cz>
9454
9455         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9456         * tree-pass.h: Reorder to make IPA passes appear toegher.
9457         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9458         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9459         parameters, do not call early inliner.
9460         * ipa-inline.c: Update comments.  Include tree-flow.h
9461         (cgraph_decide_inlining): Do not compute inlining parameters.
9462         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9463         be called with function context set up.
9464         (pass_ipa_inline): Remove unreachable functions before pass.
9465         (cgraph_early_inlining): Simplify assuming to be called from the
9466         PM as local pass.
9467         (pass_early_inline): New pass.
9468         (cgraph_gate_ipa_early_inlining): New gate.
9469         (pass_ipa_early_inline): Turn into simple wrapper.
9470         (compute_inline_parameters): New function.
9471         (gate_inline_passes): New gate.
9472         (pass_inline_parameters): New pass.
9473         (apply_inline): Move here from tree-optimize.c
9474         (pass_apply_inline): New pass.
9475         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9476         transforming.
9477         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9478         doing them by hand.
9479         (tree_function_versioning): Do not allocate dummy struct function.
9480         * tree-inline.h (optimize_inline_calls): Update prototype.
9481         * tree-optimize.c (execute_fixup_cfg): Export.
9482         (pass_fixup_cfg): Remove
9483         (tree_rest_of_compilation): Do not apply inlines.
9484         * tree-flow.h (execute_fixup_cfg): Declare.
9485         * Makefile.in (gt-passes.c): New.
9486         * passes.c: Include gt-passes.h
9487         (init_optimization_passes): New passes.
9488         (nnodes, order): New static vars.
9489         (do_per_function_toporder): New function.
9490         (execute_one_pass): Dump current pass here.
9491         (execute_ipa_pass_list): Don't dump current pass here.
9492
9493 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9494
9495         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9496         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9497
9498 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9499
9500         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9501         (strong_alias): Define.
9502         (__gcc_qmul): Provide non-FMA for soft-float.
9503         (__gcc_qdiv): Same.
9504         (__gcc_qneg): New.
9505         (__gcc_qeq): New.
9506         (__gcc_qle): New.
9507         (__gcc_qge): New.
9508         (__gcc_qunord): New.
9509         (__gcc_stoq): New.
9510         (__gcc_dtoq): New.
9511         (__gcc_qtos): New.
9512         (__gcc_qtod): New.
9513         (__gcc_qtoi): New.
9514         (__gcc_qtou): New.
9515         (__gcc_itoq): New.
9516         (__gcc_utoq): New.
9517         (fmsub): New.
9518         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9519         soft-float functions.
9520         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9521         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9522         about long double soft float.
9523
9524 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9525             Tehila Meyzels  <tehila@il.ibm.com>
9526
9527         * tree-vectorizer.h (is_pattern_stmt_p): New.
9528         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9529         formatting (tabs instead of spaces). Cleanup and clarify setting
9530         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9531         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9532         (vectorizable_type_demotion): Check that types are integral.
9533         (vectorizable_type_promotion): Likewise.
9534         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9535         comments.
9536
9537 2007-01-16  Jan Hubicka  <jh@suse.cz>
9538
9539         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9540         cgraph edges too.
9541
9542 2007-01-15  Eric Christopher  <echristo@apple.com>
9543
9544         * ifcvt.c: Include vec.h, vecprim.h.
9545         (check_cond_move_block): New argument regs.
9546         Reorganize. Add registers used to regs.
9547         (cond_move_process_if_block): Use regs set above as
9548         loop bounds.
9549
9550 2007-01-15  Eric Christopher  <echristo@apple.com>
9551
9552         * config/darwin.h: Update copyright.
9553         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9554         (LINK_COMMAND_SPEC): Add -u.
9555         (LINK_SPEC): Fix umbrella for above.
9556
9557 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9558
9559         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9560         glibc CVS.
9561
9562 2007-01-15  Tom Tromey  <tromey@redhat.com>
9563
9564         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9565         * doc/install.texi (Testing): Don't mention jacks.
9566         (Configuration): Document --enable-java-maintainer-mode.  Move
9567         --with-java-home to libgcj-specific section.  Document
9568         --with-ecj-jar.
9569         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9570
9571 2007-01-15  Jan Hubicka  <jh@suse.cz>
9572
9573         * tree-ssa-dce.c (DCE_TODOs): New.
9574         (propagate_necessity): Return if something changed.
9575         (eliminate_unnecessary_stmts): Likewise.
9576         (perform_tree_ssa_dce): Return TODO flags when needed.
9577         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9578
9579 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9580
9581         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9582         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9583         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9584         patterns using X87MODEF12 mode macro.  Extend operand 1
9585         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9586         (log10<mode>2): Ditto.
9587         (log2<mode>2): Ditto.
9588         (log1p<mode>2): Ditto.
9589         (logb<mode>2): Ditto.
9590         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9591         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9592         (*fxtractxf3_i387): Rename from *fxtractxf3.
9593         (fxtract_extend<mode>xf3_i387): New insn pattern.
9594         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9595         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9596         and gen_fyl2xxf3_i387().
9597
9598 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9599
9600         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9601         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9602         get_loop_exit_edges.  Changed return type to bool.
9603         * cfgloop.h (fix_loop_placement): Declaration removed.
9604
9605 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9606
9607         * param.h (MIN_VECT_LOOP_BOUND): New.
9608         * params.def (MIN_VECT_LOOP_BOUND): New.
9609         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9610         argument - minimum threshold for number of iterations.
9611         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9612         argument to declaration.
9613         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9614         MIN_VECT_LOOP_BOUND.
9615         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9616         slpeel_tree_peel_loop_to_edge with additional argument.
9617         (vect_do_peeling_for_alignment): Likewise.
9618         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9619
9620 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9621
9622         PR target/30413
9623         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9624         operands of size 1.
9625
9626 2007-01-14  Jan Hubicka  <jh@suse.cz>
9627
9628         * tree-dfa.c (remove_referenced_var): New function.
9629         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9630         prune referenced vars list too.
9631         * tree-flow.h (remove_referenced_var): Declare.
9632
9633 2007-01-14  Jan Hubicka  <jh@suse.cz>
9634
9635         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9636         separately.
9637         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9638         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9639         * except.h (verify_eh_throw_table_statements): Kill prototype.
9640         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9641         into call exrepssions.
9642         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9643         eh trhow verifier.
9644         * tree-cfg.c: Include pointer-set.h.
9645         (verify_node_sharing): Work on pointer set.
9646         (verify_eh_throw_stmt_node): New.
9647         (verify_stmts): Use pointers sets, verify throw_stmt.
9648
9649 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9650
9651         * ipa-reference.c (analyze_function): Consider also addresses taken
9652         in phi nodes.
9653
9654 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9655
9656         * c-typeck.c (null_pointer_constant_p): Replace use of
9657         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9658         (build_c_cast): Likewise.
9659
9660 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9661
9662         * tree.h (force_fit_type_double): Remove unused final argument.
9663         * c-common.c (constant_expression_warning): Replace use of
9664         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9665         (convert_and_check): Likewise.
9666         (shorten_compare): Update call to force_fit_type_double.
9667         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9668         * convert.c (convert_to_pointer): Update call to
9669         force_fit_type_double.
9670         * fold-const.c (force_fit_type_double): Remove overflowed_const
9671         argument.
9672         (int_const_binop, fold_convert_const_int_from_int,
9673         fold_convert_const_int_from_real, fold_div_compare,
9674         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9675         fold_abs_const, fold_not_const): Remove the final argument from
9676         calls to force_fit_type_double.
9677
9678 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9679
9680         * configure.ac: Set insn to "nop" for spu-*-* also.
9681         * configure: Regenerate.
9682
9683 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9684
9685         * builtins.def : Add BUILT_IN_FREE.
9686
9687 2007-01-12  Jan Hubicka  <jh@suse.cz>
9688
9689         PR tree-optimization/30443
9690         * tree-inline.c (tree_function_versioning): Do not optimize when
9691         cloning for inlining.
9692
9693 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9694
9695         * doc/loop.texi: Document recording of loop exits.
9696         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9697         (update_single_exits_after_duplication,
9698         update_single_exit_for_duplicated_loop,
9699         update_single_exit_for_duplicated_loops): Removed.
9700         (duplicate_loop_to_header_edge): Do not call
9701         update_single_exits_after_duplication and
9702         update_single_exit_for_duplicated_loops.
9703         (loop_version): Do not update single_exit information.
9704         (fix_loop_structure): Use record_loop_exits instead of
9705         mark_single_exit_loops.
9706         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9707         the lists of loop exits.
9708         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9709         split_edge, merge_blocks): Update the lists of loop exits.
9710         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9711         loop_optimizer_init.
9712         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9713         of mark_single_exit_loops.
9714         (loop_optimizer_finalize): Call release_recorded_exits.
9715         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9716         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9717         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9718         update single exit information.
9719         * lambda-code.c (perfect_nestify): Ditto.
9720         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9721         (mark_single_exit_loops): Removed.
9722         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9723         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9724         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9725         functions.
9726         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9727         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9728         (verify_loop_structure): Verify consistency of the exit lists.
9729         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9730         (set_single_exit): Removed.
9731         * cfgloop.h (struct loop_exit): New function.
9732         (struct loop): single_exit_ field replaced by exits field.
9733         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9734         (struct loops): Added exits hash.
9735         (mark_single_exit_loops, set_single_exit): Declaration removed.
9736         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9737
9738 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9739
9740         * doc/invoke.texi: Avoid use of @headitem.
9741
9742 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9743
9744         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9745
9746 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9747
9748         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9749         list of targets.
9750
9751 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9752             Richard Sandiford  <richard@codesourcery.com>
9753
9754         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9755         * config/m68k/m68k.opt: Resort options.
9756         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9757
9758 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9759             Richard Sandiford  <richard@codesourcery.com>
9760
9761         * doc/invoke.texi: Document the macros that are defined by
9762         m68k's -mtune and -mhard-float options.
9763         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9764         (m68k_cpp_cpu_family): Likewise.
9765         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9766         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9767         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9768         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9769         (m68k_cpp_cpu_family): Likewise.
9770
9771 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9772
9773         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9774         macros besides mc68000 as tuning macros.  Use a switch statement
9775         to set them and mcpu32.
9776
9777 2007-01-12  Julian Brown  <julian@codesourcery.com>
9778
9779         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9780         (TARGET_68040_ONLY): Rename to...
9781         (TARGET_68040): ...this.
9782         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9783         * config/m68k/m68k.md: Likewise.
9784
9785 2007-01-12  Julian Brown  <julian@codesourcery.com>
9786             Nathan Sidwell  <nathan@codesourcery.com>
9787             Richard Sandiford  <richard@codesourcery.com>
9788
9789         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9790         the -mcpu= argument associated with the --with-cpu setting.
9791         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9792         if different from the one implied by the -mcpu setting.
9793         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9794         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9795         * doc/invoke.texi: Mention ColdFire in the introduction to the
9796         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9797         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9798         -mhard-float.  Document the previously-undocumented -m5206e,
9799         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9800         documentation for consistency.
9801         * doc/install.texi: Mention new --with-cpu arguments.
9802         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9803         default CPU if neither -mcpu nor -march are specified.
9804         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9805         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9806         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9807         using m68k_tune to decide between families that implement the
9808         same ISA.  Use m68k_tune to set __mcfv4e__.
9809         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9810         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9811         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9812         (FL_ISA_C, FL_ISA_MMU): New macros.
9813         (MASK_COLDFIRE): Delete.
9814         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9815         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9816         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9817         (TARGET_HARD_FLOAT): Do not define here.
9818         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9819         (TUNE_68000): New macro.
9820         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9821         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9822         (TUNE_CFV2): Redefine in terms of m68k_tune.
9823         (uarch_type, target_device, fpu_type): New enums.
9824         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9825         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9826         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9827         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9828         (FL_FOR_isa_c): New macros.
9829         (m68k_isa): New enum.
9830         (m68k_target_selection): New structure.
9831         (all_devices, all_isas, all_microarchs): New tables.
9832         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9833         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9834         (MASK_ALL_CPU_BITS): Delete.
9835         (m68k_find_selection): New function.
9836         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9837         Map the legacy target options to a combination of the new ones.
9838         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9839         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9840         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9841         settings.
9842         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9843         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9844         properties.
9845         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9846         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9847         * config/m68k/m68k-devices.def: New file.
9848
9849 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9850             Nathan Sidwell  <nathan@codesourcery.com>
9851
9852         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9853         (SUBTARGET_EXTRA_SPECS): New macros.
9854         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9855         use %(asm_cpu_spec) instead.
9856         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9857         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9858         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9859         (EXTRA_SPECS): Rename to...
9860         (SUBTARGET_EXTRA_SPECS): ...this.
9861
9862 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9863             Richard Sandiford  <richard@codesourcery.com>
9864             Julian Brown  <julian@codesourcery.com>
9865
9866         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9867         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9868         to the configuration's default CPU.
9869         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9870         Remove default masks.
9871         (m680[012]0-*-*): Set the default with_cpu to the first part of
9872         the target name.
9873         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9874         (m68k*-*-linux): Extend the --with-cpu handling to...
9875         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9876         and m68010.  Don't set target_cpu_default2.
9877         * doc/install.texi: Document --with-cpu for m68k.
9878         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9879         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9880         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9881         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9882         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9883         (ASM_SPEC): Remove use of %(asm_cpu_default).
9884         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9885         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9886         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9887         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9888         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9889         (TARGET_DEFAULT): Delete.
9890         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9891         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9892         (CPP_CPU_SPEC): Delete.
9893         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9894         the appropriate string.
9895         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9896         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9897         (ASM_SPEC): Don't use %(asm_default_spec).
9898         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9899         TARGET_DEFAULT and add MASK_68881.
9900         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9901
9902 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9903
9904         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9905         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9906         MASK_68010 alongside MASK_68020.
9907         * doc/invoke.texi: Document -m68010.
9908         * config/m68k/m68k.opt (m68010): New.
9909         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9910         if TUNE_68010.
9911         (TUNE_68010): New macro.
9912         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9913         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9914         (M68K_CPU_m68332): Add MASK_68010.
9915         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9916         fallback definition.
9917         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9918         defines.
9919         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9920         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9921         to all entries that use MASK_68020.
9922         (output_move_simode_const, output_move_himode, output_move_qimode)
9923         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9924         instead of TARGET_68020 to select clr behavior.  Remove comment
9925         about there being no TARGET_68010.
9926         * config/m68k/m68k.md: Likewise throughout.
9927
9928 2007-01-12  Julian Brown  <julian@codesourcery.com>
9929
9930         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9931         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9932         * config/m68k/m68k.md: Likewise.
9933
9934 2007-01-12  Julian Brown  <julian@codesourcery.com>
9935
9936         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9937         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9938
9939 2007-01-12  Julian Brown  <julian@codesourcery.com>
9940
9941         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9942         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9943         * config/m68k/m68k.md: Likewise.
9944
9945 2007-01-12  Julian Brown  <julian@codesourcery.com>
9946             Richard Sandiford  <richard@codesourcery.com>
9947
9948         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9949         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9950         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9951         TARGET_CPU32.
9952         (TARGET_CPU32): Rename to...
9953         (TUNE_CPU32): ...this.
9954         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9955         (TUNE_CFV2): New macros.
9956         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9957         remove conditions that are implied by TARGET_68020.
9958         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9959         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9960         (m68k_output_function_epilogue): Likewise.
9961         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9962         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9963         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9964         non-68000 timings.  Refactor multiplication and division costs.
9965         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9966         TUNE_CPU32 instead of TARGET_CPU32.
9967         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9968         and TUNE_68060 instead of TARGET_68060.
9969         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9970         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9971         TARGET_CPU32.
9972         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9973         && !TARGET_COLDFIRE" to choose between moveq and clr.
9974         Likewise in the unnamed movsf pattern.
9975         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9976         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9977         ashiftrt pattern.
9978
9979 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9980
9981         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9982         of tabbing before backslashes.
9983
9984 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9985
9986         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9987         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9988         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9989
9990 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9991
9992         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9993         find_interesting_uses_cond.
9994         (find_interesting_uses_cond): Use extract_cond_operands.
9995         (rewrite_use_compare): Use extract_cond_operands and
9996         force_gimple_operand_bsi.  Do not call update_stmt.
9997         (determine_use_iv_cost_condition): Use extract_cond_operands.
9998         Return cheaper of using original bound and changing the exit bound.
9999
10000 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10001
10002         PR tree-optimization/29516
10003         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10004         most_expensive_mult_to_index, addr_to_parts,
10005         create_mem_ref, maybe_fold_tmr): Make the type of
10006         fields of TARGET_MEM_REF sizetype.
10007         (move_fixed_address_to_symbol, move_pointer_to_base):
10008         New functions.
10009         * tree.def (TARGET_MEM_REF): Add comment on types of
10010         the operands.
10011
10012 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10013
10014         * c-common.c (vector_types_convertible_p): Treat opaque types as
10015         always convertible if they have the same size, but not otherwise.
10016
10017 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10018
10019         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10020         Remove the b_unconditional field.
10021         (noce_try_sign_mask): Do not look at b_unconditional.
10022         (noce_process_if_block): Do not use merge_if_blocks.  Update
10023         the CFG here.  Do not set b_unconditional.
10024         (cond_move_process_if_block): Likewise.
10025         (find_cond_trap): Likewise.
10026         (check_cond_move_block): Require simple jump insns at the end
10027         of the basic block.
10028
10029 2007-01-11  Jan Hubicka  <jh@suse.cz>
10030
10031         PR tree-optimization/1046
10032         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10033         when alias info is not ready.
10034         (pass_tail_recursion): Do not require aliasing.
10035         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10036         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10037         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10038         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10039         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10040         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10041         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10042         before inlining.
10043         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10044         When aliasing is not build, mark statement as volatile.
10045
10046 2007-01-11  Tom Tromey  <tromey@redhat.com>
10047
10048         PR preprocessor/15185, PR preprocessor/20989:
10049         * doc/cppopts.texi <-MT>: Update description of algorithm for
10050         computing default target.
10051         <-M, -MD>: Reword "basename" text.
10052
10053 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10054
10055         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10056         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10057         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10058         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10059         fold_builtin_bswap, real_constp, fold_builtin_pow,
10060         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10061         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10062         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10063         * convert.c (convert_to_pointer): Likewise.
10064         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10065         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10066         const_binop, fold_convert_const_int_from_int,
10067         fold_convert_const_int_from_real,
10068         fold_convert_const_real_from_real, sign_bit_p,
10069         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10070         fold_sign_changed_comparison, fold_unary, fold_comparison,
10071         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10072         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10073         * print-tree.c (print_node_brief, print_node): Likewise.
10074         * stor-layout.c (place_field, layout_type): Likewise.
10075         * tree-chrec.c (keep_cast): Likewise.
10076         * tree.c (build_vector, build_real, build_real_from_int_cst,
10077         build_complex): Likewise.
10078
10079 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10080
10081         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10082         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10083
10084 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10085
10086         * configure.ac (strict1_warn): Rename to strict_warn.
10087         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10088         cc_set_by_configure, quoted_cc_set_by_configure,
10089         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10090         all_boot_languages, all_stagestuff): Remove.
10091         (target_list): Remove bootstrap targets.
10092         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10093         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10094         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10095         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10096         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10097         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10098         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10099         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10100         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10101         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10102         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10103         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10104         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10105         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10106         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10107         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10108         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10109         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10110         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10111         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10112         (mostlyclean): Adjust.
10113         (clean, distclean): Don't mention bootstrap stuff.
10114         * configure: Regenerate.
10115         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10116         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10117         treelang/config-lang.in (stagestuff): Remove.
10118         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10119         stageprofile, stagefeedback, stagestuff): Remove mention.
10120
10121 2007-01-11  Nick Clifton  <nickc@redhat.com>
10122
10123         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10124         Accept CONSTs.
10125         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10126         (mcore_arith_K_S_operand): Run the test for the S constraint not
10127         the test for the M constraint.
10128         (mcore_addsub_operand): Do not accept integer values that are
10129         larger than 32 bits.
10130         * config/mcore/mcore.md: Remove unused constraints from split.
10131         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10132         (addsi3): Likewise.
10133         (allocate_stack): Likewise.
10134         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10135         operands to 32 bits.
10136         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10137         INTVAL.
10138         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10139         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10140         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10141         mcore_output_bclri, mcore_output_andn, output_inline_const,
10142         mcore_output_move, mcore_output_movedouble): Likewise.
10143         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10144         (output_inline_const): Likewise.
10145         (output_inline_const): Fix format strings used in sprintf
10146         statements.
10147         * config/mcore/mcore-protos.h: Update prototypes for changed
10148         functions in mcore.c.
10149         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10150         HOST_WIDE_INT and not int.
10151         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10152         CONST_OK_FOR_N): Likewise.
10153         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10154         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10155         an INTVAL.
10156
10157 2007-01-10  Jan Hubicka  <jh@suse.cz>
10158
10159         * tree-vrp.c (remove_range_assertions): Release defs.
10160         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10161         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10162
10163 2007-01-10  Paul Brook  <paul@codesourcery.com>
10164
10165         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10166         * config/arm/arm.md (mulsi3subsi): New insn.
10167
10168 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10169
10170         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10171         (tree_transform_and_unroll_loop): New.
10172         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10173         Declare.
10174
10175 2007-01-10  Robert Kennedy <jimbob@google.com>
10176
10177         * fold-const.c (fold_comparison): Fold comparisons like (x *
10178         1000 < 0) to (x < 0).
10179
10180 2007-01-10  Ian Lance Taylor  <iant@google.com>
10181
10182         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10183         operands have the same priority.
10184
10185 2007-01-10  Tom Tromey  <tromey@redhat.com>
10186
10187         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10188         (fold_binary): Likewise.
10189         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10190         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10191         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10192         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10193         * langhooks.h (struct lang_hooks): Removed field
10194         'can_use_bit_fields_p'.
10195
10196 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10197
10198         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10199
10200 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10201
10202         * function.c (get_last_funcdef_no): New function.
10203         * function.h (get_last_funcdef_no): Declare.
10204         * tree-inline.c (initialize_cfun): Add initialization.
10205         (tree_function_versioning): Cleanup.
10206
10207 2007-01-10  Jan Hubicka  <jh@suse.cz>
10208
10209         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10210         PHIs.
10211
10212 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10213             Ben Elliston  <bje@au.ibm.com>
10214
10215         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10216         for SAVE_NONLOCAL and Pmode for any other save level.
10217         * spu-protos.h (spu_restore_stack_block): Declare.
10218         * spu.md (save_stack_block): Remove.
10219         (restore_stack_block): Call spu_restore_stack_block.
10220         * spu.c (spu_restore_stack_block): New function.
10221         (spu_expand_epilogue): Remove old comment.
10222
10223 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10224
10225         PR tree-optimization/30322
10226         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10227         (cand_value_at): Return the value as aff_tree.
10228         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10229         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10230         aff_combination_mult): New functions.
10231         (aff_combination_add): Use aff_combination_add_cst.
10232         (aff_combination_convert): Allow conversions to a wider type.
10233         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10234         * tree-affine.h (aff_combination_mult): Declare.
10235
10236 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10237
10238         * doc/tm.texi: Update documentation to reflect reality of exec
10239         and start file search behaviours. Update copyright year.
10240         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10241         header file directories.
10242
10243 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10244
10245         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10246         (*cosxf2): Rename to cosxf2_i387.
10247         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10248         using X87MODEF12 mode macro. Rename patterns to
10249         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10250         for SSE math.
10251         (*cosdf2, *cossf2): Ditto.
10252         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10253         to match extended input operands.
10254         (sincos<mode>3): New expander.
10255         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10256         insn patterns and corresponding splitters.
10257
10258 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10259
10260         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10261         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10262
10263 2007-01-09  Nicolas Pitre  <nico@cam.org>
10264
10265         PR target/30173
10266         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10267
10268 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10269
10270         * target.h (struct gcc_target): New field library_rtti_comdat.
10271         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10272         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10273         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10274         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10275
10276 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10277
10278         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10279
10280 2007-01-08  Richard Guenther  <rguenther@suse.de>
10281
10282         * tree.h (force_fit_type_double): Export.
10283         (force_fit_type): Remove.
10284         * fold-const.c (force_fit_type_double): New function.
10285         (force_fit_type): Remove.
10286         (int_const_binop): Use it.
10287         (fold_convert_const_int_from_int): Likewise.
10288         (fold_convert_const_int_from_real): Likewise.
10289         (fold_div_compare): Likewise.
10290         (fold_sign_changed_comparison): Likewise.
10291         (fold_unary): Likewise.
10292         (fold_negate_const): Likewise.
10293         (fold_abs_const): Likewise.
10294         (fold_not_const): Likewise.
10295         * c-common.c (shorten_compare): Use force_fit_type_double.
10296         * convert.c (convert_to_pointer): Likewise.
10297
10298 2007-01-08  Richard Guenther  <rguenther@suse.de>
10299
10300         * tree.h (build_int_cst_wide_type): Export.
10301         * tree.c (build_int_cst_wide_type): New function.
10302         (build_int_cst_wide): Fix comment.
10303         * builtins.c (fold_builtin_object_size): Use build_int_cst
10304         to build -1 or 0 of the correct type.  Use fit_double_type
10305         to check for overflow.
10306         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10307         to build the mask.
10308         (decode_field_reference): Likewise.
10309         (all_ones_mask_p): Likewise.
10310         (native_interpret_int): Use build_int_cst_wide_type.
10311         (fold_binary): Use build_int_cst_type to build an all-ones
10312         value.
10313         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10314
10315 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10316
10317         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10318
10319 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10320
10321         * genautomata.c (STATS_OPTION): New option.
10322         (stats_flag): New flag.
10323         (gen_automata_option): Handle it.
10324         (initiate_automaton_gen): Ditto.
10325         (write_automata): Output statistics only if stats_flag is
10326         set. Likewise, output time statistics only if time_flag is set.
10327         * doc/md.texi (Processor pipeline description): Document new flag.
10328
10329 2007-01-08  Richard Guenther  <rguenther@suse.de>
10330
10331         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10332         * tree.c (build_int_cst_type): Likewise.
10333         (size_in_bytes): Don't call force_fit_type on the result.
10334         (int_fits_type_p): Use fit_double_type.
10335         * fold-const.c (fit_double_type): New function.
10336         (force_fit_type): Use it.
10337         * tree.h (fit_double_type): Export.
10338
10339 2007-01-08  Jan Hubicka  <jh@suse.cz>
10340
10341         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10342         * ipa.c (function_and_variable_visibility): Fix return type.
10343
10344 2007-01-08  Richard Guenther  <rguenther@suse.de>
10345
10346         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10347         of offset to build the index.
10348         * tree-pretty-print.c (dump_generic_node): Don't build negated
10349         const just for printing.
10350         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10351         * builtins.c (fold_builtin_int_roundingfn): Check if result
10352         fits the type by using force_fit_type and comparing the result.
10353         * predict.c (predict_loops): Use compare_tree_int for comparison.
10354         * tree.c (build_int_cst): Fall back to integer_type_node for
10355         NULL_TREE type.
10356         (build_int_cst_wide): Assert type is non-null.
10357
10358 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10359
10360         * tree-vrp.c (extract_range_from_cond_expr): New.
10361         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10362         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10363         as expressions.
10364         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10365         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10366         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10367         used as expressions.
10368         * tree-object-size.c (cond_expr_object_size): New.
10369         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10370
10371 2007-01-08  Jan Hubicka  <jh@suse.cz>
10372
10373         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10374         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10375         statement.
10376
10377 2007-01-08  Richard Guenther  <rguenther@suse.de>
10378
10379         PR tree-optimization/23603
10380         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10381         (extract_range_from_binary): Fall back to truthvalue instead of
10382         varying for TRUTH_*_EXPR.
10383         (extract_range_from_comparison): Fall back to truthvalue instead of
10384         varying.
10385         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10386         if all visited PHI values were constant.
10387
10388 2007-01-08  Jan Hubicka  <jh@suse.cz>
10389
10390         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10391         (cgraph_analyze_function): break out from ...
10392         (cgraph_finalize_compilation_unit): ... here.
10393         (cgraph_expand_function): Remove forgoten commented out line.
10394         (cgraph_optimize): Analyze functions.
10395
10396 2007-01-08  Jan Hubicka  <jh@suse.cz>
10397
10398         * tree-pas.h (TODO_remove_function): New flag.
10399         (TODO_update*): Renumber.
10400         (pass_ipa_increase_alignment,
10401         pass_ipa_function_and_variable_visibility): New passes.
10402         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10403         (cgraph_function_and_variable_visibility): Move to ipa.c
10404         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10405         cgraph_increase_alignment.
10406         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10407         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10408         calling tree-inline.
10409         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10410         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10411         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10412         (gate_increase_alignment): New function.
10413         (pass_ipa_increase_alignment): New pass.
10414         * ipa.c: Inline tree-pass.h and timevar.h
10415         (function_and_variable_visibility): Move here from cgraphunit.c
10416         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10417         * passes.c (init_optimization_passes): Add the two new passes.
10418         (execute_todo): Handle cgraph_remove_functions.
10419
10420 2007-01-08  Nick Clifton  <nickc@redhat.com>
10421
10422         * config/frv/predicates.md (reg_or_0_operand): Accept
10423         CONST_DOUBLEs.
10424
10425 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10426
10427         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10428         * config.gcc: Add bfin*-rtems*.
10429
10430 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10431
10432         * c.opt: Add -flax-vector-conversions.
10433         * c-typeck.c (convert_for_assignment): Pass flag to
10434         vector_types_convertible_p to allow emission of note.
10435         (digest_init): Likewise.
10436         * c-opts.c: Handle -flax-vector-conversions.
10437         * c-common.c (flag_lax_vector_conversions): New.
10438         (vector_types_convertible_p): Unless -flax-vector conversions
10439         has been passed, disallow conversions between vectors with
10440         differing numbers of subparts and/or element types.  If such
10441         a conversion is disallowed, possibly emit a note on the first
10442         occasion only to inform the user of -flax-vector-conversions.
10443         The new last argument specifies this.
10444         * c-common.h (flag_lax_vector_conversions): New.
10445         (vector_types_convertible_p): Add extra argument.
10446         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10447         char_type_node for V*QI type vectors.
10448         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10449         Update to satisfy new typechecking rules.
10450         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10451         C and C++ variants.
10452         * doc/invoke.texi (C Dialect Options): Document
10453         -flax-vector-conversions.
10454
10455 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10456
10457         PR tree-optimization/29877
10458         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10459         a register variable on the RHS to not be replaceable.
10460
10461 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10462         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10463         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10464         const_simm15, const_pow2, const_npow2): Added.
10465         * config/score/misc.md (insv, extv, extzv, movmemsi,
10466         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10467         * config/score/score.c (score_address_cost, score_select_cc_mode):
10468         Added.
10469         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10470         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10471         Update score_print_operand.
10472         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10473         Adjust register allocate order and update some macro define.
10474         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10475         mdx_block_move_straight, mdx_block_move_loop_head,
10476         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10477         mdx_block_move): Added.
10478         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10479         mdp_limm): Updated and fix some bug and typo.
10480         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10481         (movsf, movdf, doloop_end): Added.
10482
10483 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10484
10485         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10486         config/arm/thumb2.md: Fix comment typos.
10487         * doc/extend.texi: Fix a typo.
10488
10489 2007-01-07  Eric Christopher  <echristo@apple.com>
10490
10491         * configure.ac: Check for __stack_chk_fail for darwin.
10492         * configure: Regenerate.
10493
10494 2007-01-07  Richard Guenther  <rguenther@suse.de>
10495
10496         * tree-vrp.c (extract_range_from_assert): CSE calls to
10497         compare_values where possible.
10498         (extract_range_from_unary_expr): Likewise.
10499
10500 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10501
10502         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10503         * config/avr/avr.c (call_insn_operand): Delete function.
10504         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10505         instead of register number. Use predicates.
10506         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10507         call_insn_operand): Add.
10508
10509 2007-01-06  Jan Hubicka  <jh@suse.cz>
10510
10511         * tree-pass.h (pass_build_cgraph_edges): Declare.
10512         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10513         (visited_nodes): Remove.
10514         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10515         build_cgrpah_edges; make visited_nodes local.
10516         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10517         (record_references_in_initializer): Move to cgraphbuild.c
10518         (initialize_inline_failed, rebuild_cgraph_edges,
10519         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10520         (verify_cgraph_node): Make visited_nodes local.
10521         (cgraph_analyze_function): Do not call cgraph_create_edges and
10522         initialize_inline_failed.
10523         (cgraph_expand_function): Do not call cgraph_lower_function;
10524         assert that function is already lowered.
10525         * Makefile.in (cgraphbuild.o): New.
10526         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10527         at the end of lowering passes.
10528
10529 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10530
10531         * ifcvt.c (cond_move_convert_if_block): New function, code
10532         factored out from...
10533         (cond_move_process_if_block): ...here.  Call the new function
10534         on the THEN and ELSE blocks.
10535         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10536         already takes care of this.
10537
10538 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10539
10540         PR c/19978
10541         * tree.h (TREE_OVERFLOW_P): New.
10542         * c-typeck.c (parser_build_unary_op): Warn only if result
10543         overflowed and operands did not.
10544         (parser_build_binary_op): Likewise.
10545         (convert_for_assignment): Remove redundant overflow_warning.
10546         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10547
10548 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10549
10550         * c-typeck.c (store_init_value): Split over two lines to follow
10551         the GNU coding style.
10552
10553 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10554
10555         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10556         __GXX_EXPERIMENTAL_CXX0X__.
10557         * doc/cpp.texi: Same.
10558
10559 2007-01-05  Richard Guenther  <rguenther@suse.de>
10560
10561         PR middle-end/27826
10562         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10563         with mismatched types.  Instead explicitly build a
10564         conversion NOP_EXPR.
10565
10566 2007-01-05  Ian Lance Taylor  <iant@google.com>
10567
10568         * c-common.c (decl_with_nonnull_addr_p): New function.
10569         (c_common_truthvalue_conversion): Call it.
10570         * c-typeck.c (build_binary_op): Likewise.
10571         * c-common.h (decl_with_nonnull_addr_p): Declare.
10572
10573 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10574
10575         PR c/30360
10576         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10577         denom against 0.0.
10578
10579 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10580
10581         * doc/install.texi (Final install): Document the fact that
10582         the GNAT runtime should not be stripped.
10583
10584 2007-01-04  Jan Hubicka  <jh@suse.cz>
10585
10586         * tree-inline.c (fold_marked_statements): Update operand caches
10587         and EH after folding
10588
10589 2007-01-04  Ian Lance Taylor  <iant@google.com>
10590
10591         * c-common.c (check_function_nonnull): Whitespace fix.
10592
10593 2007-01-04  Jan Hubicka  <jh@suse.cz>
10594
10595         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10596         comitted older version of patch.
10597         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10598         function, celanup cfg and collect garbage.
10599
10600 2007-01-04  Mike Stump  <mrs@apple.com>
10601
10602         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10603         (clean): Likewise.
10604
10605 2007-01-04  Eric Christopher  <echristo@apple.com>
10606
10607         * libgcc2.c (__bswapsi2): Use SItype.
10608         (__bswapdi2): Use DItype.
10609         * libgcc2.h: Update for above.
10610
10611 2007-01-04  Paul Brook  <paul@codesourcery.com>
10612
10613         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10614         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10615         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10616         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10617         umulsi3_highpart): Make conditional on !arm_arch6.
10618         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10619         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10620         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10621         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10622         umulsi3_highpart_v6): New insns.
10623
10624 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10625
10626         * fold-const.c (fold_convert): When casting an expression to void,
10627         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10628         have a type.  Instead of attempting to build a NOP_EXPR, return
10629         these "special" trees directly.
10630
10631 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10632
10633         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10634         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10635         rs6000_cost->fp not 0 as adjustment for outer NEG.
10636
10637 2007-01-04  Jan Hubicka  <jh@suse.cz>
10638
10639         * cgraph.c (cgraph_release_function_body): New function.
10640         (cgraph_remove_node): Use it.
10641         * cgraph.h (cgraph_release_function_body): Declare.
10642         * cgraphunit.c (cgraph_expand_function): Use it.
10643         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10644         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10645         is initialized and while compilation of other function is running.
10646         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10647         statement CFG annotations from here to ...
10648         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10649
10650 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10651
10652         * cfgloop.h (enum li_flags): Make the constants powers of two.
10653
10654 2007-01-04  Jan Hubicka  <jh@suse.cz>
10655
10656         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10657         set.
10658         (fold_marked_statements): New function.
10659         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10660         * tree-inline.h (copy_body_data): Add statements_to_fold.
10661
10662 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10663
10664         * config.gcc: Mention libgcc/config.host.
10665         * Makefile.in: Update comments mentioning libgcc.
10666         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10667         (all.cross, start.encap, rest.encap, rest.cross): Update
10668         dependencies for libgcc move.
10669         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10670         (clean-target, clean-target-libgcc): Delete.
10671         (srcdirify, GCC_EXTRA_PARTS): New macros.
10672         (libgcc-support, libgcc.mvars): New rules.
10673         (distclean): Remove mention of mklibgcc.
10674         (install): Don't reference INSTALL_LIBGCC.
10675         (install-common): Don't reference EXTRA_PARTS.
10676         (install-libgcc, install-multilib): Delete rules.
10677         * mklibgcc.in: Delete file.
10678         * doc/configfiles.texi: Don't mention mklibgcc.
10679
10680         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10681         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10682         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10683         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10684         (mklibgcc, ldblspecs): Likewise.
10685
10686         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10687         (posixpre.def): Use $(T).
10688         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10689         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10690         (SHLIB_LINK): Make dummy.
10691         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10692
10693         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10694
10695         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10696         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10697         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10698         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10699
10700         * configure.ac (all_outputs): Remove mklibgcc.
10701         * configure: Regenerated.
10702
10703 2007-01-03  Josh Conner  <jconner@apple.com>
10704
10705         PR middle-end/29683
10706         * calls.c (compute_argument_addresses): Set stack and stack_slot
10707         for partial args, too.
10708         (store_one_arg): Use locate.size.constant for the size when
10709         generating a save_area.
10710
10711 2007-01-03  Robert Kennedy <jimbob@google.com>
10712
10713         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10714         whose definitions are deleted due to basic block merging.
10715
10716 2007-01-03  Paul Brook  <paul@codesourcery.com>
10717
10718         PR target/16634
10719         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10720         functions.
10721         (use_return_insn): Return 0 for Thumb interrupt functions.
10722         (print_multi_reg): Add rfe argument for IRQ returns.
10723         (arm_output_epilogue): Pop interrupt return address directly into PC.
10724         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10725
10726 2007-01-03  Paul Brook  <paul@codesourcery.com>
10727
10728         Merge from sourcerygxx-4_1.
10729         * config/arm/thumb2.md: New file.
10730         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10731         Thumb-2.
10732         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10733         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10734         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10735         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10736         tables.
10737         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10738         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10739         comptibility.
10740         * config/arm/ieee754-sf.S: Ditto.
10741         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10742         (thumb1_base_register_rtx_p): ... to this.
10743         (thumb_index_register_rtx_p): Rename...
10744         (thumb1_index_register_rtx_p): ... to this.
10745         (thumb_output_function_prologue): Rename...
10746         (thumb1_output_function_prologue): ... to this.
10747         (thumb_legitimate_address_p): Rename...
10748         (thumb1_legitimate_address_p): ... to this.
10749         (thumb_rtx_costs): Rename...
10750         (thumb1_rtx_costs): ... to this.
10751         (thumb_compute_save_reg_mask): Rename...
10752         (thumb1_compute_save_reg_mask): ... to this.
10753         (thumb_final_prescan_insn): Rename...
10754         (thumb1_final_prescan_insn): ... to this.
10755         (thumb_expand_epilogue): Rename...
10756         (thumb1_expand_epilogue): ... to this.
10757         (arm_unwind_emit_stm): Rename...
10758         (arm_unwind_emit_sequence): ... to this.
10759         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10760         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10761         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10762         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10763         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10764         thumb2_output_casesi): New functions.
10765         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10766         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10767         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10768         THUMB2_WORK_REGS): Define.
10769         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10770         arm_condexec_mask, arm_condexec_masklen)): New variables.
10771         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10772         (arm_override_options): Check new CPU capabilities.
10773         Set new architecture flag variables.
10774         (arm_isr_value): Handle v7m interrupt functions.
10775         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10776         Thumb-2.
10777         (const_ok_for_arm): Handle Thumb-2 constants.
10778         (arm_gen_constant): Ditto.  Use movw when available.
10779         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10780         functions.
10781         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10782         (thumb_find_work_register, arm_load_pic_register,
10783         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10784         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10785         print_multi_reg, output_mov_long_double_fpa_from_arm,
10786         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10787         output_mov_double_fpa_from_arm, output_move_double,
10788         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10789         output_return_instruction, arm_output_function_prologue,
10790         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10791         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10792         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10793         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10794         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10795         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10796         '!' and 'L'.
10797         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10798         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10799         (arm_file_start): Output directive for unified syntax.
10800         (arm_unwind_emit_set): Handle stack alignment instruction.
10801         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10802         Add v6t2, v7, v7a, v7r and v7m.
10803         (RETLDM): Add Thumb-2 code.
10804         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10805         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10806         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10807         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10808         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10809         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10810         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10811         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10812         ADJUST_INSN_LENGTH): Define.
10813         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10814         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10815         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10816         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10817         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10818         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10819         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10820         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10821         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10822         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10823         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10824         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10825         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10826         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10827         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10828         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10829         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10830         cortex-m3.
10831         * config/arm/arm-tune.md: Regenerate.
10832         * config/arm/arm-protos.h: Update prototypes.
10833         * config/arm/vfp.md: Enable patterns for Thumb-2.
10834         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10835         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10836         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10837         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10838         * config/arm/libunwind.S: Add Thumb-2 code.
10839         * config/arm/constraints.md: Update include Thumb-2.
10840         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10841         * config/arm/ieee754-df.S: Ditto.
10842         * config/arm/bpabi.S: Ditto.
10843         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10844         * config/arm/predicates.md (low_register_operand,
10845         low_reg_or_int_operand, thumb_16bit_operator): New.
10846         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10847         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10848         * config/arm/t-arm-elf: Add armv7 multilib.
10849         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10850         Include thumb2.md.
10851         (UNSPEC_STACK_ALIGN, ce_count): New.
10852         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10853         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10854         insns/expanders.
10855         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10856         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10857         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10858         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10859         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10860         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10861         insns.
10862         * doc/extend.texi: Document ARMv7-M interrupt functions.
10863         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10864
10865 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10866
10867         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10868         (struct _Unwind_Context): Rename args_size to flags, remove
10869         signal_frame field, add a new args_size field and version field.
10870         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10871         _Unwind_IsExtendedContext): New inline functions.
10872         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10873         Assume by_value array is only present if _Unwind_IsExtendedContext.
10874         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10875         _Unwind_IsSignalFrame.
10876         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10877         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10878         (uw_init_context_1): Initialize context->flags to
10879         EXTENDED_CONTEXT_BIT.
10880         * config/rs6000/linux-unwind.h (frob_update_context): Use
10881         _Unwind_SetSignalFrame.
10882
10883 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10884
10885         PR middle-end/30353
10886         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10887         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10888         the value.
10889
10890 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10891
10892         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10893         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10894         RET, AT_SP): Remove.
10895         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10896         instead of RET.
10897
10898         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10899         * cfgbuild.c (find_basic_blocks): Likewise.
10900         * cfgrtl.c (rtl_create_basic_block): Likewise.
10901         * function.c (temp_slots_at_level): Likewise.
10902         * reg-stack.c (stack_regs_mentioned): Likewise.
10903         * regclass.c (allocate_reg_info): Likewise.
10904         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10905         set_bb_for_stmt, move_block_to_fn): Likewise.
10906         * tree-complex.c (tree_lower_complex): Likewise.
10907         * vec.h (VEC_safe_grow_cleared): New.
10908
10909         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10910
10911 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10912
10913         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10914         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10915         to loop_version.
10916         * cfgloopmanip.c (scale_loop_frequencies): Export.
10917         (loopify): Scale the frequencies by prescribed coefficients.
10918         (set_zero_probability): New function.
10919         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10920         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10921         and frequencies according to arguments.
10922         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10923         correctly.
10924         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10925         * modulo-sched.c (sms_schedule): Set probabilities for entering
10926         versioned loop correctly.
10927         * tree-vect-transform.c (vect_transform_loop): Ditto.
10928         * cfgloop.h (loopify, loop_version): Declaration changed.
10929         (scale_loop_frequencies): Declared.
10930
10931 2007-01-02  Jan Hubicka  <jh@suse.cz>
10932
10933         * cgraph.c: Include tree-flow.h
10934         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10935         early_local_passes.
10936         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10937         * tree-pass.h (pass_all_early_optimizations): Declare.
10938         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10939         early_local_passes.
10940         (cgraph_analyze_function): Do early_local_passes.
10941         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10942         Do not add referenced vars.
10943         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10944         SSA form.
10945         (gate_all_early_local_passes): New gate.
10946         (pass_early_local_passes): Use new gate.
10947         (execute_early_local_optimizations): New functions.
10948         (gate_all_early_optimizations): New gate.
10949         (pass_all_early_optimizations): New pass.
10950         (execute_free_datastructures): Free SSA only when initialized.
10951         (gate_init_datastructures): Init only when optimizing.
10952         (tree_lowering_passes): Do early local passes when called late.
10953         * tree-profile.c (do_tree_profiling): Don't profile functions added
10954         late.
10955         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10956         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10957         not active.
10958         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10959         during early_local_passes.
10960         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10961
10962
10963 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10964
10965         * Makefile.in: Update copyright year.
10966
10967 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10968
10969         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10970         in $(lang_checks) and check-consistency targets.
10971
10972 2007-01-02  Jan Hubicka  <jh@suse.cz>
10973
10974         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10975         Do not add referenced vars.
10976         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10977         are not active.
10978         * passes.c (init_optimization_passes): Put mudflap_2 after
10979         free_datastructures.
10980
10981 2007-01-02  Jan Hubicka  <jh@suse.cz>
10982
10983         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10984         Set NOTHROW flag on call statements proved to be nothrow.
10985         Update statement of local calls so new pure/const functions are
10986         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10987         goto receivers.
10988         (tree_rest_of_compilation): Register hooks and initialize bitmap
10989         early. Do not set after_inlining flag.
10990
10991 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10992
10993         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10994         HOST_BITS_PER_LONGLONG
10995
10996 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10997
10998         PR c/19977
10999         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11000         warning for non-static initializers.
11001
11002 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11003
11004         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11005         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11006         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11007         Always use set_unique_reg_note to add REG_EQUAL notes.
11008
11009 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11010
11011         Revert:
11012         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11013
11014         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11015         * cfgbuild.c (find_basic_blocks): Likewise.
11016         * cfgrtl.c (rtl_create_basic_block): Likewise.
11017         * function.c (temp_slots_at_level): Likewise.
11018         * reg-stack.c (stack_regs_mentioned): Likewise.
11019         * regclass.c (allocate_reg_info): Likewise.
11020         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11021         set_bb_for_stmt, move_block_to_fn): Likewise.
11022         * tree-complex.c (tree_lower_complex): Likewise.
11023         * vec.h (VEC_safe_grow_cleared): New.
11024
11025 2007-01-02  Ian Lance Taylor  <iant@google.com>
11026
11027         * c-common.c (c_common_truthvalue_conversion): When warning about
11028         using an assignment as a truth value, set TREE_NO_WARNING.
11029
11030 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11031
11032         PR middle-end/7651
11033         * c.opt (Wold-style-declaration): New.
11034         * doc/invoke.texi (C-only Warning Options): New.
11035         (Wold-style-declaration): Document it.
11036         (Wextra): Enabled by -Wextra.
11037         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11038         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11039         -Wold-style-declaration.
11040
11041 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11042
11043         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11044         * cfgbuild.c (find_basic_blocks): Likewise.
11045         * cfgrtl.c (rtl_create_basic_block): Likewise.
11046         * function.c (temp_slots_at_level): Likewise.
11047         * reg-stack.c (stack_regs_mentioned): Likewise.
11048         * regclass.c (allocate_reg_info): Likewise.
11049         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11050         set_bb_for_stmt, move_block_to_fn): Likewise.
11051         * tree-complex.c (tree_lower_complex): Likewise.
11052         * vec.h (VEC_safe_grow_cleared): New.
11053
11054 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11055
11056         * c-common.c (c_common_nodes_and_builtins): Since variants of
11057         void_type_node get built before it is given a name, we need to
11058         give those variants the name, too.
11059         (complete_array_type): We need to work with the canonical main
11060         type of the array, from which we will build the qualified version.
11061         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11062         * print-tree.c (print_node): Display canonical type information
11063         for each type.
11064         * stor-layout.c (layout_type): When we don't know the
11065         alignment of a type for which we're building an array, we end up
11066         guessing wrong, so make the type require structural equality.
11067         * tree.c (make_node_stat): When we build a new type, it is its
11068         own canonical type.
11069         (build_type_attribute_qual_variant): When building an attribute
11070         variant, its canonical type is the non-attribute variant. However,
11071         if the attributes are target-dependent and they differ, we need to
11072         use structural equality checks for this type.
11073         (build_qualified_type): A qualified type is not equivalent to its
11074         unqualified variant; set the canonical type appropriately.
11075         (build_distinct_type_copy): When building a distinct type from
11076         another type, the new type is its own canonical type.
11077         (build_variant_type_copy): When building a new type variant, we
11078         assume that it is equivalent to the original type.
11079         (build_pointer_type_for_mode): When building a pointer type, also
11080         build a canonical type pointer.
11081         (build_reference_type_for_mode): When building a reference type,
11082         also build a canonical type reference.
11083         (build_index_type): When we can't hash an index type (e.g.,
11084         because its maximum value is negative), the index type requires
11085         structural equality tests.
11086         (build_array_type): Build the canonical form of an array type.
11087         (build_function_type): Function types require structural equality,
11088         because they contain default arguments, attributes, etc.
11089         (build_method_type_directly): Ditto for method types.
11090         (build_offset_type): Build the canonical offset type.
11091         (build_complex_type): Build the canonical vector type.
11092         (make_vector_type): Build the canonical vector type.
11093         * tree.h (TYPE_CANONICAL): New.
11094         (TYPE_STRUCTURAL_EQUALITY_P): New.
11095         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11096         (struct tree_type): Added "canonical" field.
11097         * params.h (VERIFY_CANONICAL_TYPES): New.
11098         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11099         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11100         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11101         * doc/invoke.texi (verify-canonical-types): Document --param
11102         parameter for verifying canonical types.
11103
11104 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11105
11106         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11107         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11108         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11109         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11110         tm_file.
11111         * config/rs6000/e500.h: New.
11112         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11113         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11114         Remove.
11115         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11116         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11117         TARGET_E500_DOUBLE): Remove.
11118         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11119         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11120         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11121         * config/rs6000/rs6000.c (rs6000_override_options): Use
11122         CHECK_E500_OPTIONS.
11123
11124 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11125
11126         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11127         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11128         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11129         rs6000_emit_cmove): Don't check TARGET_E500.
11130         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11131         sordered): Don't check TARGET_E500.
11132
11133 2007-01-01  Eric Christopher  <echristo@apple.com>
11134
11135         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11136         HARD_REGISTER_NUM_P.
11137
11138 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11139
11140         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11141         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11142         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11143         eq/ne Y".
11144
11145 2007-01-01  Mike Stump  <mrs@apple.com>
11146
11147         * configure.ac: Remove support for building with Apple's gcc-3.1.
11148
11149 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11150
11151         PR middle-end/30311
11152         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11153         REG is a hard register.  Do not modify REG before calling
11154         subreg_nregs.
11155         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11156         multiple of the size of YMODE for certain lowpart cases.
11157
11158 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11159
11160         PR middle-end/30253
11161         * gimplify (voidify_wrapper_expr): Update for
11162         GIMPLE_MODIFY_STMT.
11163
11164 2007-01-01  Andreas Schwab  <schwab@suse.de>
11165
11166         PR target/29166
11167         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11168         save of BR0 in extra_spill_size instead of spill_size.
11169         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11170         area.
11171         (ia64_expand_epilogue): Restore BR0 from its new location.
11172
11173 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11174
11175         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11176         Use a temporary variable if the left hand side is not a gimple
11177         register.
11178
11179 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11180
11181         * gimplify.c (gimplify_return_expr): Make the temporary variable
11182         for the return expression, a gimple register variable.
11183
11184 2007-01-01  Jan Hubicka  <jh@suse.cz>
11185
11186         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11187         INSN_LIST.
11188
11189 2007-01-01  Mike Stump  <mrs@apple.com>
11190
11191         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11192         .literal16.
11193         * config/darwin.c (machopic_select_rtx_section): Use
11194         HAVE_GAS_LITERAL16.
11195         (darwin_mergeable_constant_section): Likewise.
11196         * configure: Regenerate.
11197         * config.in: Regenerate.
11198
11199 2007-01-01  Jan Hubicka  <jh@suse.cz>
11200             Andrew Pinski  <pinskia@gmail.com>
11201
11202         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11203         before starting IPA passes.