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* ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
2
3         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
4         not that it is 1.
5
6         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7         __STDC_WANT_DEC_FP__.
8
9 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
10
11         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
12         for long double compatibility.
13         * configure: Regenerate.
14
15 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
16
17         PR rtl-optimization/29841
18         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
19         trap instructions.
20         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
21         that may cause control flow transfer from being moved.
22
23 2007-04-18  Jan Hubicka  <jh@suse.cz>
24
25         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
26         types.
27
28 2007-04-18  Eric Christopher  <echristo@apple.com>
29
30         * config/rs6000/darwin.md (load_macho_picbase): Use link register
31         only. Update operands.
32         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
33         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
34         link register to pic register.
35
36 2007-04-18  Dirk Mueller  <dmueller@suse.de>
37
38         PR diagnostic/31227
39         * tree-vrp.c (search_for_addr_array): New.
40         (check_array_bounds): Suppress warning about
41         address taken of array refs if its not de-referenced.
42
43 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
44
45         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
46         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
47
48         * tree-vectorizer.h (NITERS_KNOWN_P): New.
49         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
50         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
51
52         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
53         dump print.
54         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
55         print message.
56         (vect_analyze_scalar_cycles): Fix indentation.
57         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
58         (vect_mark_relevant): Include phis in relevance analysis.
59
60         * tree-vect-transform.c (vect_transform_loop): Add an assert.
61
62 2007-04-18  Anatoly Sokolov <aesok@post.ru>
63
64         * config/avr/avr.c (ptrreg_to_str): Replace error() with
65         output_operand_lossage().
66
67 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
68
69         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
70         the unused code for reduction without adjust-in-epilog to simplify the
71         function.
72
73 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
74
75         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
76         (S390_TDC_NEGATIVE_ZERO): New constant.
77         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
78         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
79         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
80         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
81         (S390_TDC_POSITIVE_INFINITY): New constant.
82         (S390_TDC_NEGATIVE_INFINITY): New constant.
83         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
84         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
85         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
86         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
87         (S390_TDC_INFINITY): New constant.
88         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
89         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
90         optimization for UNSPEC_CCZ_TO_INT.
91         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
92         ("*ccz_to_int"): New insn.
93         ("isinf<mode>2"): New insn.
94         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
95         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
96         (UNSPEC_CCZ_TO_INT): New constant.
97
98 2007-04-18  Richard Guenther  <rguenther@suse.de>
99
100         PR tree-optimization/19431
101         PR tree-optimization/21463
102         * tree-pass.h (pass_phiprop): Declare.
103         * passes.c (init_optimization_passes): New phiprop pass.
104         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
105         (phivn_valid_p): New helper function.
106         (phiprop_insert_phi): Likewise.
107         (propagate_with_phi): Likewise.
108         (tree_ssa_phiprop): New propagator propagating loads
109         through phi nodes if profitable.
110
111 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
112
113         * tree-vect-analyze.c (process_use): New function.
114         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
115         Check phis in all bbs.
116         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
117         assert.
118
119 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
120
121         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
122         we use REG_EQUAL.
123
124 2007-04-17  Anatoly Sokolov <aesok@post.ru>
125
126         PR target/30483
127         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
128         error().
129
130 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
131
132         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
133         on "0".
134         (sse_vmmulv4sf3): Likewise.
135         (sse2_vmaddv2df3): Likewise.
136         (sse2_vmmulv2df3): Likewise.
137
138 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
139
140         PR rtl-optimization/31360
141         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
142         (target_reg_cost): New.
143         (init_set_costs): Initialize target_reg_cost.  Add comments
144         regarding the rationale of the costs.
145         (global_cost_for_size): Renamed to...
146         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
147         of register pressure.
148         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
149         estimate_reg_pressure_cost.  Add number of ivs.
150         (determine_set_costs): Dump target_reg_cost.
151         * loop-invariant.c (gain_for_invariant):  Use
152         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
153         (best_gain_for_invariant, find_invariants_to_move): Remove
154         n_inv_uses.
155         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
156         (target_reg_cost): Declare.
157         (global_cost_for_size): Declaration removed.
158         (estimate_reg_pressure_cost): Declare.
159
160 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
161
162         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
163         regnos into even/odd register pairs.
164         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
165         TDmode similar to the other floating point modes.
166         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
167         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
168         define_expand's.
169         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
170         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
171         (movdd_hardfloat64): Use TARGET_MFPGPR.
172
173 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
174
175         * reload1.c (delete_output_reload): Don't count output in n_inherited.
176
177         Revert
178         2005-01-05  Richard Henderson  <rth@redhat.com>
179         PR rtl-opt/10692
180         * reload1.c (do_input_reload): Restrict the optimization deleteing
181         a previous output reload to RELOAD_FOR_INPUT.
182
183 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
184
185         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
186         induc_vec_info_type.
187         (vectorizable_induction): New function declaration.
188         * tree-vect-transform.c (get_initial_def_for_induction): No need to
189         check if already vectorized.  Find first place in BB where new stmts
190         can be inserted.  Takes only one argument.
191         (vectorizable_induction): New function.
192         (vect_transform_stmt): Add case for induc_vec_info_type to call
193         vectorizable_induction.
194         (vect_transform_loop): Consider phis for vectorization.
195         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
196         condition.
197         (analyze_operations): Call vectorizable_induction when analyzing phis.
198         Fix comment.
199         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
200         (vect_mark_relevant): Include phis in relevance analysis.
201         (vect_mark_stmts_to_be_vectorize): Likewise.
202         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
203
204 2007-04-16  Lawrence Crowl  <crowl@google.com>
205
206         * doc/invoke.texi (Debugging Options): Add documentation for the
207         -femit-struct-debug options -femit-struct-debug-baseonly,
208         -femit-struct-debug-reduced, and
209         -femit-struct-debug-detailed[=...].
210
211         * c-opts.c (c_common_handle_option): Add
212         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
213         and OPT_femit_struct_debug_detailed_.
214         * c.opt: Add specifications for
215         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
216         and -femit-struct-debug-detailed[=...].
217         * opts.c (set_struct_debug_option): Parse the
218         -femit-struct-debug-... options.
219         * opts.c (matches_main_base, main_input_basename,
220         main_input_baselength, base_of_path, matches_main_base): Add
221         variables and functions to compare header base name to compilation
222         unit base name.
223         * opts.c (should_emit_struct_debug): Add to determine to emit a
224         structure based on the option.
225         (dump_struct_debug) Also disabled function to debug this
226         function.
227         * opts.c (handle_options): Save the base name of the
228         compilation unit.
229
230         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
231         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
232         This hook indicates if a type is generic.  Set it by default
233         to "never generic".
234         * langhooks.h (struct lang_hooks_for_types): Add a new hook
235         to determine if a struct type is generic or not.
236         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
237         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
238         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
239         with live C++ hook.
240
241         * flags.h (enum debug_info_usage): Add an enumeration to describe
242         a program's use of a structure type.
243         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
244         to indicate the program's usage of the type.  Filter structs based
245         on the -femit-struct-debug-... specification.
246         (gen_type_die): Split into two routines, gen_type_die and
247         gen_type_die_with_usage.  gen_type_die is now a wrapper
248         that assumes direct usage.
249         (gen_type_die_with_usage): Replace calls to gen_type_die
250         with gen_type_die_with_usage adding the program usage of
251         the referenced type.
252         (dwarf2out_imported_module_or_decl): Suppress struct debug
253         information using should_emit_struct_debug when appropriate.
254
255 2007-04-16  Ian Lance Taylor  <iant@google.com>
256
257         PR tree-optimization/31522
258         * tree-vrp.c (vr_phi_edge_counts): New static variable.
259         (vrp_initialize): Allocate vr_phi_edge_counts.
260         (vrp_visit_phi_node): Don't push to infinity if we saw a new
261         executable edge.  Drop test for all constants.
262         (vrp_finalize): Free vrp_phi_edge_counts.
263
264         * doc/cpp.texi (Common Predefined Macros): Clarify description of
265         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
266
267         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
268         predecessors at head rather than tail.
269
270 2007-04-16  Matthias Klose  <doko@debian.org>
271
272         * gcc/config/alpha/linux.h (CPP_SPEC): Define.
273         * gcc/config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
274
275 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
276
277         * function.h: Remove sequence_stack extern declaration.
278
279 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
280
281         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
282         TARGET_FIDOA.
283         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
284         defined.
285
286 2007-04-16  Anatoly Sokolov <aesok@post.ru>
287
288         * config/avr/avr.c (avr_arch_types): Rearranging  array.
289         (enum avr_arch): Add.
290         (avr_mcu_types): Use avr_arch enumeration constants instead of
291         numbers.
292         * config/avr/avr.h (LINK_SPEC): Simplify.
293
294 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
295
296         * config/m68k/m68k.c (m68k_libcall_value,
297         m68k_function_value): Use macros for register names more.
298
299         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
300         instead.
301         (M68K_REGNAME): Use A6_REG.
302         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
303
304 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
305
306         PR middle-end/28071
307         * sched-int.h (struct deps): Split field 'pending_lists_length' into
308         'pending_read_list_length' and 'pending_write_list_length'.  Update
309         comment.
310         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
311         to handle two length counters instead of one.  Update all uses.
312         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
313         two length counters instead of one.
314         * sched-rgn.c (propagate_deps): Update to handle two length counters
315         instead of one.
316
317 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
318
319         PR target/31582
320         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
321         copy of source, pass it to ix86_expand_vector_set and return
322         it as target.
323
324 2007-04-16  David Ung  <davidu@mips.com>
325             Joseph Myers  <joseph@codesourcery.com>
326
327         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
328         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
329         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
330         Add 74K processor information.
331         * config/mips/mips.md: Include 74k.md.
332         (cpu): Add 74kc,74kf,74kx.
333         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
334         * config/mips/74k.md: New.
335         * doc/invoke.texi (MIPS Options): Document 74K support.
336
337 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
338
339         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
340         vectorizable_* functions.
341         * tree-vect-transform.c (vectorizable_call): Add check for
342         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
343         (vectorizable_store): likewise.
344         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
345         Add comments.
346         (vectorizable_operation, vectorizable_type_demotion): Likewise.
347         (vectorizable_type_promotion, vectorizable_load): Likewise.
348         (vectorizable_live_operation, vectorizable_condition): Likewise.
349         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
350         STMT_VINFO_LIVE_P.
351         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
352
353 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
354
355         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
356         register numbers more.
357         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
358         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
359         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
360         FUNCTION_VALUE_REGNO_P): Likewise.
361         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
362         STATIC_CHAIN_REGNUM): Likewise.
363         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
364         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
365         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
366         * config/m68k/m68k.md (FP_REG): New.
367
368 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
369
370         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
371         alignment on fido.
372
373 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
374
375         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
376         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
377         comment typos.
378
379 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
380
381         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
382         cold loops.
383
384 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
385
386         PR c/31520
387         * c-decl.c (finish_decl): Grab the type of the decl after the call
388         to store_init_value.
389
390 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
391
392         * common.opt (fforward-propagate): Fix "Optimization" annotation.
393
394 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
395
396         PR c++/25874
397         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
398         post dominators and cleanup cfg before returning.
399
400 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
401
402         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
403         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
404
405 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
406
407         * config.gcc: Recognize fido.
408         * config/m68k/m68k-devices.def (fidoa): New.
409         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
410         __mfido__.
411         (FL_FIDOA, TARGET_FIDOA): New.
412         * config/m68k/m68k.opt (mfidoa): New.
413
414 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
415
416         PR middle-end/31322
417         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
418         when a personality function is used.
419
420 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
421
422         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
423
424 2007-04-13  Mike Stump  <mrs@apple.com>
425
426         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
427         we can...
428         * config/darwin.opt (fapple-kext): Make C++ only.
429         * config/darwin.c (darwin_override_options): Remove code to ensure
430         -fapple-kext is given for C++ only.
431
432 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
433
434         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
435         * config/mips/mips.c (override_options): Call
436         SUBTARGET_OVERRIDE_OPTIONS, if defined.
437
438 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
439
440         * config/i386/i386.opt (msvr3-shlib): Removed.
441
442         * doc/invoke.texi: Remove -msvr3-shlib.
443
444 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
445
446         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
447         with "popcnt" instruction.
448
449 2007-04-13  Richard Guenther  <rguenther@suse.de>
450
451         PR tree-optimization/21258
452         * tree-vrp.c (compare_case_labels): New helper.
453         (find_switch_asserts): New function.
454         (find_assert_locations): Call it for SWITCH_EXPRs.
455
456 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
457
458         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
459         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
460         check is now implied in X87_FLOAT_MODE_P.
461         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
462         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
463         (fix_trunc<mode>_i386_fisttp): Ditto.
464         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
465         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
466         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
467         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
468         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
469         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
470         (unnamed_splitters): Ditto.
471         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
472         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
473         FIRST_SSE_REG for local functions when SSE math is enabled or
474         for functions with sseregparm attribute.
475         (standard_80387_constant_p): Return -1 if mode is not
476         X87_FLOAT_MODE_P.
477         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
478         (ix86_expand_compare): Ditto.
479         (ix86_expand_carry_flag_compare): Ditto.
480         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
481         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
482         DECIMAL_FLOAT_MODE_P.
483         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
484         of SCALAR_FLOAT_MODE_P.
485         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
486         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
487         checks before FLOAT_MODE_P.
488         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
489         before FLOAT_MODE_P.
490         [DIV]: Ditto.
491         [NEG]: Ditto.
492         [ABS]: Ditto.
493         [SQRT]: Ditto.
494         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
495
496 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
497             Charles Wilson  <libtool@cwilson.fastmail.fm>
498
499         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
500         (libgcc.mvars): Don't depend on them.
501         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
502         * exec-tool.in: New.
503
504 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
505
506         * doc/invoke.text (--help): Document --help=common.
507
508 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
509
510         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
511
512 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
513
514         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
515         * genemit.c (main): Emit #include "integrate.h".
516         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
517         (LOADGP_RTP): New mips_loadgp_style.
518         * config/mips/mips.h: Include config/vxworks-dummy.h.
519         (TARGET_RTP_PIC): New macro.
520         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
521         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
522         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
523         for TARGET_RTP_PIC.
524         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
525         -mvxworks-pic when using -mrtp and a PIC option.
526         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
527         for RTP PIC.
528         (mips_symbolic_constant_p, mips_symbolic_address_p)
529         (mips_symbol_insns): Handle SYMBOL_HALF.
530         (override_options): Warn about -G and -mrtp being used together.
531         Initialize mips_lo_relocs[SYMBOL_HALF].
532         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
533         (mips_emit_loadgp): Handle LOADGP_RTP.
534         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
535         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
536         (tablejump): Handle function-relative case table entries if
537         TARGET_RTP_PIC.
538         * config/mips/predicates.md (symbol_ref_operand): New predicate.
539
540 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
541
542         * config/mips/mips.md (load_call<mode>): Allow any general register.
543         destination.
544         (sibcall_value_internal, sibcall_value_multiple_internal)
545         (call_value_internal, call_value_split, call_value_multiple_internal)
546         (call_value_multiple_split): Remove constraints from operand 0.
547
548 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
549
550         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
551         rather than loadgp_noshared.
552         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
553         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
554         gen_loadgp.
555         * config/mips/mips.md (loadgp): Rename to...
556         (loadgp_newabi): ...this.
557         (loadgp_noshared): Rename to...
558         (loadgp_absolute): ...this.
559
560 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
561
562         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
563         false for locally-binding symbols.
564         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
565
566 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
567
568         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
569         (SYMBOL_GOT_PAGE_OFST): ...this.
570         (SYMBOL_GOT_GLOBAL): Rename to...
571         (SYMBOL_GOT_DISP): ...this.
572         (SYMBOL_GOTOFF_GLOBAL): Rename to...
573         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
574         * config/mips/mips.c (mips_global_symbol_p): New function.
575         (mips_symbol_binds_local_p): Likewise.
576         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
577         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
578         and mips_symbol_binds_local_p.
579         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
580         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
581         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
582         SYMBOL_GOTOFF_DISP.
583         (mips_ok_for_lazy_binding_p): New function.
584         (mips_load_call_address, mips_expand_call): Use it.
585         (mips_dangerous_for_la25_p): Likewise.
586         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
587         (*got_disp<mode>): Use got_disp_operand instead of
588         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
589         SYMBOL_GOTOFF_GLOBAL.
590         (*got_page<mode>): Use got_page_ofst_operand instead of
591         local_got_operand.
592         * config/mips/predicates.md (const_call_insn_operand): Use
593         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
594         (global_got_operand): Rename to...
595         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
596         SYMBOL_GOT_GLOBAL.
597         (local_got_operand): Rename to...
598         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
599         of SYMBOL_GOT_LOCAL.
600
601 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
602
603         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
604         TARGET_CALL_CLOBBERED_GP.
605         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
606         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
607         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
608         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
609         of TARGET_ABICALLS && !TARGET_NEWABI.
610         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
611         * config/mips/mips.c (mips_load_call_address): Check
612         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
613         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
614         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
615         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
616         TARGET_ABICALLS && TARGET_NEWABI.
617         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
618         TARGET_ABICALLS.
619         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
620         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
621         TARGET_ABICALLS && TARGET_NEWABI.
622         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
623         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
624         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
625         whether indirect calls must use $25.
626         (mips_extra_live_on_entry): Check TARGET_GOT instead of
627         TARGET_ABICALLS.
628         * config/mips/mips.md (jal_macro): Check flag_pic and
629         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
630         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
631         instead of TARGET_ABICALLS.
632         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
633         TARGET_ABICALLS && TARGET_OLDABI.
634         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
635         (sibcall): In the comment above the define_insn, mention
636         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
637         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
638         instead of TARGET_ABICALLS.
639
640 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
641
642         * doc/md.texi (Blackfin family constraints): Document PA and PB.
643         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
644         (MACFLAGS_MATCH_P): New macro.
645         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
646         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
647         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
648         the other MACFLAG constants.
649         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
650         (flag_machi): Tighten constraints.  Renumber some of the operands.
651         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
652         output template.
653         (flag_machi_parts_acconly): New pattern.
654         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
655         used.
656         (flag_macinit1hi): Tighten constraints.
657         (flag_mul_macv2hi_parts_acconly): New pattern.
658
659         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
660         Use a more efficient implementation.
661         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
662         inline sequences when not optimizing for size.
663
664         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
665         movhi_high2low): Delete, merge functionality into...
666         (packv2hi): ... this pattern.
667
668         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
669         * config/bfin/bfin.opt (msim): New option.
670         (mcpu=): New option.
671         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
672         (bfin_cpu_t): Typedef of enum bfin_cpu.
673         (bfin_cpu_type): New declaration.
674         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
675         -msim and -mcpu= options.
676         (LIB_SPEC): Likewise.
677         * config/bfin/bfin.c (bfin_cpu_type): Define.
678         (bfin_handle_option): Handle -mcpu= option.
679         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
680         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
681         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
682
683 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
684
685         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
686         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
687         (powerpc-wrs-vxworksae): Use ${tm_file}.
688         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
689         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
690         * config/i386/vx-common.h: New file.
691
692 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
693
694         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
695         of crt0.o%s.
696
697 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
698
699         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
700         ldxtr.
701
702 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
703
704         PR c++/31078
705         PR c++/31103
706         * c-common.c (c_build_qualified_type): Set canonical type
707         appropriately.
708
709 2007-04-12  Richard Guenther  <rguenther@suse.de>
710
711         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
712         lower bound and element size if lower bound is not zero
713         or either of the ARRAY_REF operands is set.
714
715 2007-04-12  Richard Guenther  <rguenther@suse.de>
716
717         PR tree-optimization/24689
718         PR tree-optimization/31307
719         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
720         indices by value.
721         * gimplify.c (canonicalize_addr_expr): To be consistent with
722         gimplify_compound_lval only set operands two and three of
723         ARRAY_REFs if they are not gimple_min_invariant.  This makes
724         it never at this place.
725         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
726
727 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
728
729         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
730         null before emitting a .nsubspa directive.
731
732 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
733
734         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
735         need_to_partition_p if there are no memory statements in the
736         function.
737
738 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
739
740         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
741         (gcd_of_steps_may_divide_p): New function.
742         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
743
744 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
745
746         * reload.c (find_reloads_toplev, find_reloads_address,
747         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
748         not a pointer equality test, to decide if we need to call
749         push_reg_equiv_alt_mem.
750
751 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
752
753         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
754         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
755         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
756
757 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
758
759         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
760         vector to be positive.
761
762 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
763
764         PR 30735
765         PR 31090
766         * doc/invoke.texi: Document --params max-aliased-vops and
767         avg-aliased-vops.
768         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
769         debug_memory_partitions): Move to tree-flow.h
770         * params.h (AVG_ALIASED_VOPS): Define.
771         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
772         users.
773         (mp_info_t): Likewise.
774         (get_mem_sym_stats_for): New.
775         (set_memory_partition): Move from tree-flow-inline.h.
776         (mark_non_addressable): Only clear the set of symbols for the
777         partition if it exists.
778         (dump_memory_partitions): Move from tree-ssa-operands.c
779         (debug_memory_partitions): Likewise.
780         (need_to_partition_p): New.
781         (dump_mem_ref_stats): New.
782         (debug_mem_ref_stats): New.
783         (dump_mem_sym_stats): New.
784         (debug_mem_sym_stats): New.
785         (update_mem_sym_stats_from_stmt): New.
786         (compare_mp_info_entries): New.
787         (mp_info_cmp): Call it.
788         (sort_mp_info): Change argument to a list of mem_sym_stats_t
789         objects.
790         (get_mpt_for): Move from tree-ssa-operands.c.
791         (find_partition_for): New.
792         (create_partition_for): Remove.
793         (estimate_vop_reduction): New.
794         (update_reference_counts): New.
795         (build_mp_info): New.
796         (compute_memory_partitions): Refactor.
797         Document new heuristic.
798         Call build_mp_info, update_reference_counts,
799         find_partition_for and estimate_vop_reduction.
800         (compute_may_aliases): Populate virtual operands before
801         calling debugging dumps.
802         (delete_mem_sym_stats): New.
803         (delete_mem_ref_stats): New.
804         (init_mem_ref_stats): New.
805         (init_alias_info): Call it.
806         (maybe_create_global_var): Remove alias_info argument.
807         Get number of call sites and number of pure/const call sites
808         from gimple_mem_ref_stats().
809         (dump_alias_info): Call dump_memory_partitions first.
810         (dump_points_to_info_for): Show how many times a pointer has
811         been dereferenced.
812         * opts.c (decode_options): For -O2 set --param
813         max-aliased-vops to 500.
814         For -O3 set --param max-aliased-vops to 1000 and --param
815         avg-aliased-vops to 3.
816         * fortran/options.c (gfc_init_options): Remove assignment to
817         MAX_ALIASED_VOPS.
818         * tree-flow-inline.h (gimple_mem_ref_stats): New.
819         * tree-dfa.c (dump_variable): Dump memory reference
820         statistics.
821         Dump NO_ALIAS* settings.
822         (referenced_var_lookup): Tidy.
823         (mem_sym_stats): New.
824         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
825         and ORIG are different SSA names for a memory partition.
826         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
827         * tree-flow.h (struct mem_sym_stats_d): Define.
828         (mem_sym_stats_t): Define.
829         (struct mem_ref_stats_d): Define.
830         (struct gimple_df): Add field mem_ref_stats.
831         (enum noalias_state): Define.
832         (struct var_ann_d): Add bitfield noalias_state.
833         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
834         debug_mem_ref_stats, debug_memory_partitions,
835         debug_mem_sym_stats): Declare.
836         * tree-ssa-structalias.c (update_alias_info): Update call
837         sites, pure/const call sites and asm sites in structure
838         returned by gimple_mem_ref_stats.
839         Remove local variable IS_POTENTIAL_DEREF.
840         Increase NUM_DEREFS if the memory expression is a potential
841         dereference.
842         Call update_mem_sym_stats_from_stmt.
843         If the memory references memory, call
844         update_mem_sym_stats_from_stmt for all the direct memory
845         symbol references found.
846         (intra_create_variable_infos): Set noalias_state field for
847         pointer arguments according to the value of
848         flag_argument_noalias.
849         * tree-ssa-structalias.h (struct alias_info): Remove fields
850         num_calls_found and num_pure_const_calls_found.
851         (update_mem_sym_stats_from_stmt): Declare.
852         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
853         Set default value to 100.
854         (PARAM_AVG_ALIASED_VOPS): Define.
855
856 2007-04-11  Richard Guenther  <rguenther@suse.de>
857
858         PR middle-end/31530
859         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
860         a * -b + c as c - a * b if we honor sign dependent rounding.
861
862 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
863
864         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
865         bfin_expand_strmov.
866         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
867         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
868         variables.
869         (initialize_trampoline): Don't use old-style function definition.
870         (bfin_secondary_reload): Mark IN_P argument as unused.
871
872 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
873
874         PR tree-optimization/31343
875         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
876         (build_polynomial_chrec): Return a scalar when the evolution is zero.
877         * testsuite/gcc.dg/vect/pr31343.c: New.
878
879 2007-04-10  Eric Christopher  <echristo@apple.com>
880
881         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
882         * config/i386/i386.md (*cmpfp0): Use.
883         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
884         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
885         (fix_trunc<mode>_i386_fisttp): Ditto.
886         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
887         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
888         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
889         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
890         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
891         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
892         (unnamed_splitters): Ditto.
893         * config/i386/i386.c (output_fix_trunc): Assert that
894         we're not being passed a TFmode operand.
895
896 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
897
898         PR tree-optimization/31526
899         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
900         n_basic_blocks to find newly added blocks.
901
902 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
903
904         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
905         alternative.
906         (fix_trunc<mode>si_sse): Ditto.
907         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
908         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
909         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
910         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
911         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
912         expander using SSEMODEF mode macro.
913         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
914         expander using SSEMODEF mode macro.
915         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
916         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
917         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
918         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
919         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
920         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
921         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
922         Macroize insn using X87MODEF mode macro.
923
924 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
925
926         * config/i386/sse.md (sse2_pinsrw): Removed.
927         (sse2_pextrw): Renamed to ...
928         (*sse2_pextrw): This.
929
930 2007-04-09  Jan Hubicka  <jh@suse.cz>
931
932         PR target/27869
933         * config/i386/sse.md
934         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
935         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
936         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
937         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
938
939 2007-04-09  Jan Hubicka  <jh@suse.cz>
940
941         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
942         multiple fields of union.
943
944 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
945
946         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
947         (create_preheaders): Check that loops are available.
948         (fix_loop_structure): Clean up, improve comments.
949         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
950         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
951         state flags.
952         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
953         * predict.c (tree_estimate_probability): Do not call
954         calculate_dominance_info.  Call create_preheaders.
955         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
956         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
957         flags.
958         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
959         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
960         * tree-cfg.c (tree_split_edge): Make an assert more precise.
961         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
962         arguments.
963
964 2007-04-08  Jan Hubicka  <jh@suse.cz>
965
966         * tree.h (maybe_fold_offset_to_component_ref): Declare.
967         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
968         * fold-const.c (fold_unary): Use it.
969
970 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
971
972         * varasm.c (assemble_variable): Remove call to
973         lang_hooks.decls.prepare_assemble_variable.
974         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
975         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
976         * langhooks.h (lang_hooks_for_decls): Remove
977         prepare_assemble_variable.
978
979 2007-04-08  Mike Stump  <mrs@apple.com>
980
981         * config/i386/i386.c: Use inc/dec on Core2.
982
983 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
984
985         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
986         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
987         lhd_tree_inlining_end_inlining): Remove.
988         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
989         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
990         end_inlining hooks.
991         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
992         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
993         lhd_tree_inlining_end_inlining): Remove prototypes.
994         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
995         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
996         LANG_HOOKS_TREE_INLINING_START_INLINING,
997         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
998
999         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1000         not set it.
1001
1002 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1003
1004         PR target/29932
1005         * config/avr/predicates.md (io_address_operand): Delete predicate.
1006         (low_io_address_operand): Don't use 'mode' argument.
1007         (higth_io_address_operand): Rename ...
1008         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1009         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1010         for above change.
1011
1012 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1013
1014         Revert change removing staticp.
1015
1016 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1017
1018         PR target/30289
1019         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1020         earlyclobber.
1021
1022 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1023
1024         * c.opt: Add -Wformat-contains-nul.
1025         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1026           -Wformat setting.
1027         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1028         the NUL byte warning.
1029
1030 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1031
1032         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1033
1034 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1035
1036         * tree.c (staticp): No longer use staticp langhook.
1037         * langhooks.c (lhd_staticp): Removed.
1038         * langhooks.h (struct lang_hooks): Remove staticp.
1039         * c-common.c (c_staticp): Remove.
1040         * c-common.h (c_staticp): Ditto.
1041         * langhooks-defs.h (lhd_staticp): Ditto.
1042         (LHD_HOOKS_STATICP): Ditto
1043         * tree.h (gcc_assert_lowered): New macro.
1044
1045 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1046
1047         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1048         argument "reliable".
1049         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1050         Add argument "reliable".  Propagate it through calls.
1051         (infer_loop_bounds_from_undefined):  Derive number of iterations
1052         estimates from references in blocks that do not dominate loop latch.
1053         (gcov_type_to_double_int): New function.
1054         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1055         and expected_loop_iterations_unbounded.
1056         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1057         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1058         * tree-data-ref.c (estimated_loop_iterations): Export.
1059         (get_references_in_stmt): Fix -- do not return addresses of local
1060         objects.
1061         * cfgloop.h (expected_loop_iterations_unbounded,
1062         estimated_loop_iterations): Declare.
1063
1064 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1065
1066         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1067
1068 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1069
1070         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1071         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1072         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1073         Use output_387_reg_move().
1074         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1075         expander using X87MODEF12 mode macro.
1076         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1077         choosing register preferences.  Use output_387_reg_move().
1078         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1079         instead of "x".  Use output_387_reg_move().
1080         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1081         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1082         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1083         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1084         Use output_387_reg_move().
1085         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1086         mode macro.
1087         (*truncxf?f_i387 splitter): Ditto.
1088
1089 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1090
1091         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1092         LANG_HOOKS_SAFE_FROM_P.
1093         * expr.c (safe_from_p): Remove langhook call.
1094         * langhooks.h (lang_hooks): Remove safe_from_p.
1095         (lhd_safe_from_p): Remove prototype.
1096         * langhooks.c (lhd_safe_from_p): Remove.
1097
1098 2007-04-06  Jan Hubicka  <jh@suse.cz>
1099
1100         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1101         functions.
1102
1103 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1106         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1107         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1108         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1109         alternative.
1110         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1111         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1112
1113 2007-04-05  Richard Henderson  <rth@redhat.com>
1114
1115         * config/alpha/alpha.c (print_operand) [+]: Remove.
1116         (alpha_end_function): Print nop if call at end of function.
1117         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1118         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1119         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1120         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1121         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1122         the call pattern. Update peepholes to match.
1123
1124 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1125
1126         * doc/extend.texi (Other Builtins): Add decimal float variants
1127         of signbit.
1128         * builtins.def: Ditto.
1129         * builtins.c (expand_builtin): Ditto.
1130
1131 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1132             H.J. Lu  <hongjiu.lu@intel.com>
1133
1134         PR target/31478
1135         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1136         of V8HImode when calling ix86_binary_operator_ok.
1137         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1138         (sdot_prodv8hi): Operands 1 and 2 must be register.
1139
1140 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1141
1142         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1143         initialize align to silence bogus warning.
1144
1145 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1146
1147         PR middle-end/22156
1148         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1149         all_no_warning.
1150         (struct sra_walk_fns): Remove use_all parameter from use.
1151         (sra_hash_tree): Handle BIT_FIELD_REFs.
1152         (sra_elt_hash): Don't hash bitfld blocks.
1153         (sra_elt_eq): Skip them in parent compares as well.  Handle
1154         BIT_FIELD_REFs.
1155         (sra_walk_expr): Don't maintain or pass down use_all_p.
1156         (scan_use): Remove use_all parameter.
1157         (scalarize_use): Likewise.  Re-expand assignment to
1158         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1159         output, and re-scalarize after output.  Don't mark anything
1160         for no warning.
1161         (scalarize_ldst): Adjust.
1162         (scalarize_walk_gimple_modify_statement): Likewise.
1163         (build_element_name_1): Handle BIT_FIELD_REFs.
1164         (instantiate_element): Don't warn for any element whose parent
1165         is used as a whole.
1166         (instantiate_missing_elements_1): Return the sra_elt.
1167         (canon_type_for_field): New.
1168         (try_instantiate_multiple_fields): New.
1169         (instantiate_missing_elemnts): Use them.
1170         (mark_no_warning): Removed.
1171         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1172         (REPLDUP, sra_build_elt_assignment): New.
1173         (generate_copy_inout): Use them.
1174         (generate_element_copy): Likewise.  Handle bitfld differences.
1175         (generate_element_zero): Don't recurse for blocks.  Use
1176         sra_build_elt_assignment.
1177         (generate_one_element_int): Take elt instead of var.  Use
1178         sra_build_elt_assignment.
1179         (generate_element_init_1): Adjust.
1180         (scalarize_use, scalarize_copy): Use REPLDUP.
1181         (scalarize_ldst): Move assert before dereference.
1182         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1183
1184 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1185
1186         * regmove.c: Fix unused variable warnings due to previous commit.
1187
1188 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1189
1190         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1191         (regmove_bb_head): Remove.
1192         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1193         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1194         problems with fixup_match_1.
1195         Don't initialize/free regmove_bb_head.
1196
1197         (reg_is_remote_constant_p): If an insn is in the same basic block
1198         but not before INSN, consider it remote, too.
1199
1200 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1201
1202         PR target/25448
1203         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1204         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1205
1206 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1207
1208         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1209         (CONDITIONAL_REGISTER_USAGE): Likewise.
1210
1211 2007-04-04  Richard Henderson  <rth@redhat.com>
1212
1213         * config/alpha/lib1funcs.asm: Remove unused file.
1214
1215 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1216
1217         PR other/31356
1218         * opts.c (print_specific_help): Fix --help=<language>
1219         header line.
1220         (common_handle_option): Support --help=common.
1221
1222 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1223
1224         PR other/31353
1225         * gcc.c (main): Do not run the linker if
1226         print_subprocess_help indicates that it shouldn't be
1227         run.
1228
1229 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1230
1231         PR doc/31355
1232         * doc/invoke.texi (--help=): Document <languages> value, fix
1233         formatting in tables of values.
1234
1235 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1236
1237         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1238         dllimport attribute of virtual methods.
1239
1240 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1241
1242         * config/score/crti.asm: Change _bss_start to __bss_start.
1243         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1244         (OUTGOING_REG_PARM_STACK_SPACE) update.
1245         * config/score/score.opt: add options to make backend support
1246         score5, score5u, score7 and score7d.
1247         * config/score/score.md: Likewise.
1248         * config/score/misc.md: Likewise.
1249         * config/score/mac.md: Likewise.
1250         * doc/invoke.texi: Likewise.
1251         * doc/md.texi: update constraints define.
1252
1253 2007-04-03  Richard Henderson  <rth@redhat.com>
1254
1255         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1256         an appropriate type, use the mode instead.
1257
1258 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1259
1260         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1261         Set the default --with-arch setting to mips2.
1262         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1263         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1264         (MULTILIB_OSDIRNAMES): Delete.
1265         (MULTILIB_DIRNAMES): Define.
1266         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1267         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1268         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1269         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1270         VXWORKS_OS_CPP_BUILTINS.
1271         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1272         (MIPS_DEBUGGING_INFO): Undefine.
1273         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1274
1275 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1276
1277         PR middle-end/30704
1278         * fold-const.c (native_encode_real): Encode real.c provided longs
1279         as a series of 32-bit native integers.
1280         (native_interpret_real): Interpret buffer as a series of 32-bit
1281         native integers.
1282
1283 2007-04-03  Richard Guenther  <rguenther@suse.de>
1284
1285         * genpreds.c (write_insn_constraint_len): Write function
1286         optimized for CONSTRAINT_LEN implementation.
1287         (write_tm_preds_h): Output insn_constraint_len inline and
1288         use it for CONSTRAINT_LEN.
1289         (write_insn_preds_c): Don't output insn_constraint_len.
1290         * doc/md.texi (define_register_constraint): Document multi-letter
1291         constraints shall have the same length if they start with the same
1292         letter.
1293
1294 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         PR target/31175
1297         * config/i386/i386.md (isinf<mode>2): Expand only when
1298         TARGET_C99_FUNCTIONS is set.
1299
1300 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1301
1302         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1303         (x86_64-*-linux*): Ditto.
1304         * config/i386/i386.opt (mpc): New option.
1305         * config/i386/i386.c (overrride_options): Handle
1306         ix87_precision_string.
1307         * config/i386/crtprec.c: New file.
1308         * config/i386/t-crtpc: Ditto.
1309         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1310         and -mpc80 options.
1311         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1312         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1313         crtprec32.o, crtprec64.o and crtprec80.o.
1314
1315         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1316         and -mpc80 options.
1317         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1318
1319 2007-04-02  Eric Christopher  <echristo@apple.com>
1320
1321         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1322         limitations on darwin.
1323
1324 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1325
1326         PR target/31137
1327         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1328
1329 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1330
1331         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1332
1333 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1334
1335         * libgcc2.h (exception_descriptor): Don't forward-declare.
1336         (__get_eh_table_language, __get_eh_table_version): Delete
1337         prototypes of long-dead functions.
1338
1339 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1340
1341         * ebitmap.h: New file
1342         * ebitmap.c: New file
1343         * Makefile.in (ebitmap.o): New target.
1344
1345 2007-04-01  Jan Hubicka  <jh@suse.cz>
1346
1347         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1348         before very first instruction.
1349
1350 2007-04-01  Jan Hubicka  <jh@suse.cz>
1351
1352         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1353         waring on 64bit hosts.
1354         * bitmap.h: Fix typo in bitmap_head_def.
1355
1356 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1357
1358         PR rtl-optimization/31391
1359         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1360         into a DELETED_LABEL note, and the label is in an empty basic
1361         block, update BB_END as well as BB_HEAD.
1362
1363 2007-04-01  Richard Henderson  <rth@redhat.com>
1364
1365         PR tree-optimization/31169
1366         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1367         to varying if the range is outside [0,  prec-1].
1368
1369 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1370
1371         PR target/31388
1372         * config/mips/mips.md (load_const_gp): New insn.
1373         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1374         the MIPS16 GP pseudo register if no_new_pseudos.
1375         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1376
1377 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1378
1379         PR target/31364
1380         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1381         secureplt.
1382         (call_value): Likewise.
1383
1384 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1385             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1386
1387         PR 14737
1388         * doc/invoke.texi: (optimization options): Reword description
1389         of -ffast-math. Document its primary purpose.
1390
1391 2007-03-31  Richard Guenther  <rguenther@suse.de>
1392
1393         * omp-low.c (splay-tree.h): Include.
1394         (lookup_decl): Replace splay-tree usage by pointer-map.
1395         (maybe_lookup_decl): Likewise.
1396         (new_omp_context): Likewise.
1397         (delete_omp_context): Likewise.
1398         * gimplify.c (splay-tree.h): Include.
1399         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1400         pointer-map.
1401         (remap_ssa_name): Likewise.
1402         (remap_decl): Likewise.
1403         (remap_type_1): Likewise.
1404         (remap_type): Likewise.
1405         (copy_body_r): Likewise.
1406         (expand_call_inline): Likewise.
1407         (clone_body): Likewise.
1408         (copy_tree_r): Likewise.
1409         (remap_save_expr): Likewise.
1410         (unsave_r): Likewise.
1411         (unsave_expr_now): Likewise.
1412         (tree_function_versioning): Likewise.
1413         (build_duplicate_type): Likewise.
1414         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1415         (struct copy_body_data): Replace splay-tree by pointer-map.
1416         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1417         not $(SPLAY_TREE_H).
1418         (gimplify.o): Depend on $(SPLAY_TREE_H).
1419         (omp-low.p): Likewise.
1420
1421 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1422
1423         * config/avr/predicates.md (even_register_operand,
1424         odd_register_operand): New predicates.
1425         * config/avr/avr.md (movw peephole2): New.
1426         (movw_r peephole2): New.
1427
1428 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1429
1430         * tree.h (get_signed_or_unsigned_type): New.
1431         * fold-const.c (operand_equal_for_comparison_p): Use
1432         get_signed_or_unsigned_type instead of
1433         lang_hooks.types.signed_or_unsigned_type.
1434         * expr.c (store_expr): Ditto.
1435         * langhooks.c (get_signed_or_unsigned_type): New.
1436         (lhd_signed_or_unsigned_type): New.
1437         * langhooks.h (lhd_signed_or_unsigned_type): New.
1438         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1439
1440 2007-03-30  Richard Henderson  <rth@redhat.com>
1441
1442         * tree-ssa-loop-ivopts.c: Include target.h.
1443         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1444         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1445         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1446         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1447
1448 2007-03-30  Richard Henderson  <rth@redhat.com>
1449             Kai Tietz  <kai.tietz@onevision.com>
1450
1451         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1452         default for 64-bit.
1453         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1454         (TARGET_64BIT_MS_ABI): New.
1455         (DBX_REGISTER_NUMBER): Handle 64-bit.
1456         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1457         (LONG_TYPE_SIZE): Force to 32.
1458         (REG_PARM_STACK_SPACE): New.
1459         (OUTGOING_REG_PARM_STACK_SPACE): New.
1460         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1461         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1462         (STACK_BOUNDARY): Use 128 for 64-bit.
1463         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1464         Add 64-bit implementation.
1465         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1466         argument unused.
1467         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1468         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1469         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1470         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1471         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1472         TARGET_64BIT_MS_ABI.
1473         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1474         (ix86_pass_by_reference): Likewise.
1475         (ix86_function_value_regno_p): Likewise.
1476         (ix86_build_builtin_va_list): Likewise.
1477         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1478         (function_arg_advance_ms_64): New.
1479         (function_arg_advance): Call it.
1480         (function_arg_ms_64): New.
1481         (function_arg): Call it.
1482         (function_value_ms_64): New.
1483         (ix86_function_value_1): Call it.
1484         (return_in_memory_ms_64): New.
1485         (ix86_return_in_memory): Call it.
1486         (setup_incoming_varargs_ms_64): New.
1487         (ix86_setup_incoming_varargs): Call it.
1488         (ix86_expand_prologue): Handle 64-bit stack probing.
1489         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1490         (output_pic_addr_const): Likewise.
1491         (x86_this_parameter): Likewise.
1492         (x86_output_mi_thunk): Likewise.
1493         (x86_function_profiler): Likewise.
1494         (TARGET_STRICT_ARGUMENT_NAMING): New.
1495         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1496         (TARGET_64BIT_MS_ABI): New.
1497         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1498         * config/i386/i386.md (allocate_stack_worker): Remove.
1499         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1500         describe the clobber of eax without a match_scratch.
1501         (allocate_stack_worker_postreload): Remove.
1502         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1503         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1504         (allocate_stack_worker_rex64_postreload): Remove.
1505         (allocate_stack): Handle 64-bit.
1506         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1507         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1508         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1509         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1510         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1511         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1512         * config.build (x86_64-*-mingw*): New host.
1513         * config.host (x86_64-*-mingw*): New host.
1514         * config.gcc (x86_64-*-mingw*): New target.
1515         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1516
1517 2007-03-30  Richard Henderson  <rth@redhat.com>
1518             Kai Tietz  <kai.tietz@onevision.com>
1519
1520         * c-pragma.c (struct def_pragma_macro_value): New.
1521         (struct def_pragma_macro): New.
1522         (pushed_macro_table): New.
1523         (dpm_hash, dpm_eq): New.
1524         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1525         (init_pragma): Install them.
1526         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1527
1528 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1529
1530         * config/avr/avr.c (avr_override_options): Clear
1531         'flag_delete_null_pointer_checks'.
1532
1533 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1534
1535         PR c++/26099
1536         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1537         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1538         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1539         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1540         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1541         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1542         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1543         C++ extensions.
1544         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1545
1546 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1547
1548         * regmove.c: Move all of pass_stack_adjustments from here...
1549         * combine-stack-adj.c: ...to this new file.
1550         * Makefile.in: Add rules for combine-stack-adj.o.
1551
1552 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1553
1554         PR tree-optimization/31383
1555         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1556         to have the same length.
1557
1558 2007-03-30  Jan Hubicka  <jh@suse.cz>
1559
1560         PR middle-end/30700
1561         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1562         availablility; add more sanity checking; ask varpool only about
1563         VAR_DECL.
1564
1565 2007-03-29  Richard Henderson  <rth@redhat.com>
1566
1567         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1568         to decide, but __SIZEOF_LONG_LONG__.
1569
1570 2007-03-29  Richard Henderson  <rth@redhat.com>
1571
1572         * emutls.c (struct __emutls_array): New.
1573         (emutls_destroy): Use it instead of casting element 0 from void*.
1574         (__emutls_get_address): Likewise.
1575
1576 2007-03-29  Richard Henderson  <rth@redhat.com>
1577
1578         * varasm.c (initializer_constant_valid_p): Don't deny
1579         DECL_DLLIMPORT_P on functions.
1580
1581         * config/i386/cygming.h: Remove function declarations.
1582         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1583         (ASM_OUTPUT_LABELREF): Remove.
1584         (COMMON_ASM_OP): Remove.
1585         (ASM_OUTPUT_COMMON): Remove.
1586         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1587         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1588         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1589         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1590         Rename from TARGET_ENCODE_SECTION_INFO.
1591         * config/i386/netware.h: Likewise.
1592         * config/i386/i386-protos.h: Update.
1593         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1594         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1595         (legitimate_constant_p): Reject dllimports.
1596         (dllimport_map, get_dllimport_decl): New.
1597         (legitimize_dllimport_symbol): New.
1598         (legitimize_address, ix86_expand_move): Use it.
1599         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1600         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1601         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1602         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1603         * config/i386/predicates.md (constant_call_address_operand): Only
1604         accept symbols; reject dllimport_p symbols.
1605         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1606         i386_pe_maybe_record_exported_symbol.
1607         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1608         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1609         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1610         trust the setting of DECL_DLLIMPORT_P.
1611         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1612         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1613         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1614         tidy the argument scanning loop.
1615         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1616         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1617         (i386_pe_strip_name_encoding): Remove.
1618         (i386_pe_binds_local_p): New.
1619         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1620         (i386_pe_output_labelref): Remove.
1621         (i386_pe_asm_output_aligned_decl_common): New.
1622         (i386_pe_maybe_record_exported_symbol): Rename from
1623         i386_pe_record_exported_symbol; check for dllexported symbols.
1624
1625 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1626
1627         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1628         add comment explaining why vsnprintf cannot be used.
1629
1630 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1631
1632         PR tree-optimization/30666
1633         * tree.c (build_complex_type): When creating type names for DWARF2
1634         debug info, create TYPE_DECLs for TYPE_NAME instead of
1635         IDENTIFIER_NODEs.
1636         (build_common_tree_nodes_2): Use build_complex_type when building
1637         predefined complex types, to preserve canonical types.
1638
1639 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1640
1641         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1642         (noce_get_alt_condition): Look at it to determine whether to
1643         reverse the condition or not.
1644         (noce_get_condition): Substitute the truth for lies.
1645         (noce_find_if_block): Set the then_else_reversed field.
1646
1647 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1648
1649         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1650         destination of this insn.
1651         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1652         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1653         'address + 4' rather than a stack based temporary which can be
1654         mis-optimized away.
1655
1656 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1657
1658         * config/s390/s390.c (s390_secondary_input_reload_class,
1659         s390_secondary_output_reload_class): Functions removed.
1660         (s390_secondary_reload): New function.
1661         (TARGET_SECONDARY_RELOAD): Target macro defined.
1662         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1663         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1664         * config/s390/s390.md ("reload_outti", "reload_outdi",
1665         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1666         "reload_out<mode>"): Expanders removed.
1667         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1668         "reload<mode>_nonoffmem_out"): Expanders added.
1669
1670 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1671
1672         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1673         SRC->DEST replacement failed anyway.
1674
1675 2007-03-28  Mike Stump  <mrs@apple.com>
1676
1677         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1678         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1679         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1680
1681 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1682
1683         * config.gcc: Accept barcelona as a variant of amdfam10.
1684         * config/i386/i386.c (override_options): Likewise.
1685         * doc/invoke.texi: Likewise.
1686
1687 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1688
1689         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1690         offsets for BIT_FIELD_REF and COMPONENT_REF.
1691
1692 2007-03-28  Richard Guenther  <rguenther@suse.de>
1693
1694         * tree.c (is_global_var): Move ...
1695         * tree-flow-inline.h (is_global_var): ... here.
1696         * tree.h (is_global_var): Remove declaration.
1697
1698 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1699
1700         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1701         option.
1702         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1703         * config/i386/i386.c (ix86_tune_features): Initialize new
1704         tuning option.
1705         * config/i386/predicates.md (promotable_binary_operator): Use
1706         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1707
1708 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1709
1710         PR target/31380
1711         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1712
1713 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1714
1715         * config/fr30/fr30.md (movsi_internal): Change destination
1716         constraint from m to V and add m to the end.
1717
1718 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1719
1720         * config/sh/sh.md (movsi_i): Fix type attribute.
1721
1722 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1723
1724         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1725         (movsf_ie): Likewise.
1726
1727 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1728
1729         * config.gcc: Add sh4-300 to multilib.
1730         * config/sh/t-mlib-sh4-300: New file.
1731
1732 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1733
1734         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1735         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1736         fix_trunc<mode>di2.
1737         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1738         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1739         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1740         "fixuns_trunctddi2"): Whitespace fix.
1741
1742 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1743
1744         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1745         the definition of struct sh_args.
1746         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1747         CALL_COOKIE_INT_REG_GET): Likewise.
1748
1749 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1750
1751         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1752         transformations are applied successfully.
1753
1754 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1755
1756         * tree.c (tree_contains_struct): Permit 512 tree codes.
1757         * tree.h (tree_contains_struct): Ditto.
1758         (MAX_TREE_CODES): Ditto.
1759         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1760         SPARE member to store remaining padding bits.
1761
1762 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1763
1764         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1765         architecture.
1766
1767 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1768
1769         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1770         * configure: Regenerate.
1771
1772         * configure: Regenerate using the correct version of autoconf.
1773
1774 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1775
1776         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1777         pointer regs.
1778         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1779         regs to "__SP_L__" and "__SP_H__".
1780
1781 2007-03-27  Richard Guenther  <rguenther@suse.de>
1782
1783         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1784         computations with it with a HOST_WIDE_INT variable.
1785
1786 2007-03-26  Mike Stump  <mrs@apple.com>
1787
1788         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1789         objective-c-header, objective-c++-header and objc++-cpp-output
1790         support.
1791         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1792
1793 2007-03-26  Richard Henderson  <rth@redhat.com>
1794
1795         PR target/31361
1796         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1797         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1798         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1799         IX86_BUILTIN_PSRLQ128): New.
1800         (ix86_init_mmx_sse_builtins): Add them.
1801         (ix86_expand_builtin): Expand them.
1802         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1803         operand 2 be TImode.
1804         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1805         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1806         _mm_srli_epi64): Mark __B const.
1807         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1808         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1809         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1810         new two-vector shift builtins.
1811
1812 2007-03-26  Ian Lance Taylor  <iant@google.com>
1813
1814         PR tree-optimization/31345
1815         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1816         [+INF, +INF(OVF)] into VARYING.
1817
1818 2007-03-26  Zack Weinberg  <zackw@panix.com>
1819
1820         * gengtype-parse.c: New file.
1821         * gengtype-yacc.y: Delete.
1822         * gengtype-lex.l: Don't include gengtype-yacc.h.
1823         Define YY_DECL and yyterminate appropriately for recursive
1824         descent parser.  yylval is now a string out-parameter to yylex.
1825         (HWS, EOID): New shorthand.
1826         (IWORD): Add a couple more types.
1827         (yylex): Add a setup stanza.  Remove the complex rules for
1828         detecting GTY'ed types and typedefs; replace with simple
1829         keyword detectors.  Adjust everything for the changed
1830         definition of yylval.  Ignore all pp-directives, not just #define.
1831         (yyerror): Delete.
1832         (parse_file): Rename yybegin; do not call yyparse.
1833         (yyend): New.
1834         * gengtype.c (xasprintf): Export again.
1835         (this_file): New.  Use everywhere __FILE__ was being used.
1836         (get_lang_bitmap): Special case types defined in gengtype.c.
1837         (do_typedef, new_structure): Suppress definition of certain types.
1838         (new_structure): Improve diagnostics of duplicate definitions.
1839         Make sure location_s is associated with input.h.
1840         (nreverse_pairs, define_location_structures): New functions.
1841         (main): Improve tagging of kludge types.  Remove old kludges
1842         for input.h types; use define_location_structures.
1843         * gengtype.h: Update prototypes.  Define token codes here.
1844         * Makefile.in: Remove all references to gengtype-yacc.
1845         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1846         and gengtype.
1847         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1848         add GTY((skip)) to the field that's only conditionally there.
1849         * doc/install.texi: Document that Bison is no longer required
1850         unless building treelang.
1851
1852         * gengtype.c: Don't include gtyp-gen.h.
1853         (srcdir): Declare here.
1854         (base_files, lang_dir_names): Allocate dynamically.
1855         (gt_files, num_gt_files, num_lang_dirs): New globals.
1856         (measure_input_list, read_input_line, read_input_list)
1857         (set_lang_bitmap): New functions.
1858         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1859         simplify, relying on read_input_list to set up the bitmaps.
1860         (main): Arguments are no longer unused.  Check for correct number
1861         of command line arguments, set srcdir and srcdir_len, then call
1862         read_input_list, before doing anything else.  No need to worry
1863         about duplicates in main loop.
1864         * configure.ac: Simplify the calculation of all_gtfiles.
1865         Put language tags in there.  Don't set or substitute
1866         all_gtfiles_files_langs or all_gtfiles_files_frags.
1867         * Makefile.in: Revamp the way gengtype is invoked, now that it
1868         takes a file on its command line with a much simpler format.
1869         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1870         (GTFILES): Remove duplicates and C source files.
1871         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1872         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1873         * configure: Regenerate.
1874
1875         * gengtype.h: Remove all type definitions to gengtype.c; leave
1876         only definitions of options_p, type_p, and pair_p as opaque
1877         pointers.  Update prototypes.
1878         * gengtype.c: Many type definitions moved here from gengtype.h.
1879         Consolidate type definitions at the top of the file.
1880         (xvasprintf): Delete.
1881         (xasprintf): Make static.
1882         (create_nested_pointer_option): Add 'next' parameter.
1883         (create_field_all, create_field_at): New functions.
1884         (create_field): Now a thin wrapper around create_field_all.
1885         (create_optional_field): Rename create_optional_field_ and add
1886         line argument.  Original name is now a macro which supplies
1887         __LINE__.
1888         (oprintf): Use vsnprintf directly.
1889         (close_output_files): Use fatal rather than perror/exit.
1890         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1891         (main): Set progname.  Don't use exit.
1892         * gengtype-yacc.y (struct_fields): Use create_field_at.
1893         (option, optionseqopt): Delete.
1894         (optionseq): Consolidate productions from option here so we
1895         can use the first argument to create_option.
1896
1897         * gengtype-lex.l: Distinguish unions from structures in the
1898         token type.  Don't call find_structure; return the tag as a string.
1899         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1900         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1901         Reorganize typedef_struct production accordingly.
1902         Use create_nested_ptr_option.
1903         * gengtype.c (create_nested_ptr_option): New function.
1904         * gengtype.h: Declare it.
1905
1906         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1907         (string_type): Don't declare.
1908         (do_scalar_typedef): Declare.
1909         (create_scalar_type): Update prototype.
1910         * gengtype.c (string_type): Make static.
1911         (scalar_nonchar, scalar_char): New.
1912         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1913         (resolve_typedef): Use scalar_nonchar for error recovery.
1914         (create_scalar_type): Remove name_len field.  Return scalar_char
1915         or scalar_nonchar as appropriate.
1916         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1917         to use string_type.
1918         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1919         whenever possible.
1920         (main): Initialize scalar_char and scalar_nonchar before calling
1921         gen_rtx_next.
1922         * gengtype-lex.l: Adjust for removal of second argument to
1923         create_scalar_type.  Use yylval.s instead of yylval.t when
1924         returning SCALAR.
1925         * gengtype-yacc.y: Type of SCALAR is string.  Call
1926         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1927         second argument to create_scalar_type.
1928
1929         * vec.h: Remove all #if IN_GENGTYPE blocks.
1930         Add comment saying that changes may require adjustments to gengtype.
1931         * gengtype.c: Don't include coretypes.h or tm.h.
1932         Add comment to inclusion of errors.h.
1933         (note_def_vec, note_def_vec_alloc): New functions.
1934         * gengtype.h: Declare new functions.
1935         * gengtype-lex.l: Don't include coretypes.h.
1936         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1937         Delete.
1938         (update_lineno): Remove unnecessary prototype.
1939         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1940         (VEC rule): Just return VEC_TOKEN.
1941         * gengtype-yacc.y (VEC_TOKEN): New token type.
1942         (type): Add a production for VEC(a,b).
1943         * Makefile.in: Update dependencies.
1944
1945         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1946         typedefs that use the old PARAMS macro.
1947
1948         * gengtype-lex.l: Remove all rules and states relating to yacc
1949         input files.
1950         * gengtype-yacc.y: Similarly.
1951         * gengtype.c (note_yacc_type): Delete function.
1952         * gengtype.h: Update prototypes.
1953
1954 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1955
1956         * tree-pretty-print.c (dump_generic_node): Report precision of
1957         unnamed integer types.
1958
1959 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1960
1961         * ifcvt.c (noce_try_store_flag_constants): Don't check
1962         no_new_pseudos here.
1963         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1964         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1965         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1966         noce_try_sign_mask): Likewise.
1967         (if_convert): Check no_new_pseudos here.
1968
1969         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1970         Remove prototypes.
1971         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1972         (noce_get_condition): Handle new then_else_reversed argument.
1973         (noce_init_if_info): Remove, fold into noce_find_if_block.
1974         (noce_process_if_block): Take a struct noce_if_info as the
1975         argument.  Don't set up one based on ce_if_info.  Update pointer
1976         references accordingly.
1977         (cond_move_process_if_block): Likewise.
1978         (process_if_block): Removed.
1979         (find_if_block): Removed.  Move functionality two new functions,
1980         noce_find_if_block and cond_exec_find_if_block.
1981         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1982         blocks and the symmetric IF-ELSE-JOIN case.
1983         (cond_exec_find_if_block): Also new function mostly based on old
1984         find_if_block and process_if_block.
1985         (find_if_header): Replace find_if_block call with separately
1986         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1987         (find_cond_trap): Update noce_get_condition call.
1988         (dead_or_predicable): Likewise.
1989
1990 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1991
1992         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1993         Remove.
1994         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1995         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1996         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1997         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1998         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1999         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2000         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2001         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2002         __builtin_ia32_psrad128 builtins.
2003
2004 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2005
2006         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2007         * config/i386/constraints.md
2008         (define_constraint "I"): Use IN_RANGE macro.
2009         (define_constraint "J"): Ditto.
2010         (define_constraint "K"): Ditto.
2011         (define_constraint "M"): Ditto.
2012         (define_constraint "N"): Ditto.
2013         (define_constraint "O"): Ditto.
2014         * config/i386/predicates.md
2015         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2016         (define_predicate "const_0_to_3_operand"): Ditto.
2017         (define_predicate "const_0_to_7_operand"): Ditto.
2018         (define_predicate "const_0_to_15_operand"): Ditto.
2019         (define_predicate "const_0_to_63_operand"): Ditto.
2020         (define_predicate "const_0_to_255_operand"): Ditto.
2021         (define_predicate "const_1_to_31_operand"): Ditto.
2022         (define_predicate "const_2_to_3_operand"): Ditto.
2023         (define_predicate "const_4_to_7_operand"): Ditto.
2024
2025 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2026
2027         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2028         in SImode for save_world.
2029         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2030         LR hard reg.
2031
2032 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2033
2034         PR tree-optimization/30784
2035         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2036         BIT_FIELD_REF.
2037
2038 2007-03-25  Revital Eres  <eres@il.ibm.com>
2039
2040         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2041           Fold movement_possibility function into it.
2042
2043 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2044
2045         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2046         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2047         (call_indirect_nonlocal_darwin64): Same.
2048         (call_nonlocal_darwin64): Same.
2049         (call_value_indirect_nonlocal_darwin64): Same.
2050         (call_value_nonlocal_darwin64): Same.
2051         (sibcall_nonlocal_darwin64): Same.
2052         (sibcall_value_nonlocal_darwin64): Same.
2053         (sibcall_symbolic_64): Same.
2054         (sibcall_value_symbolic_64): Same.
2055         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2056         LR pseudo.
2057         (rs6000_emit_load_toc_table): Same.
2058         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2059         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2060         (mull_call): Same.
2061         (divss_call): Same.
2062         (divus_call): Same.
2063         (quoss_call): Same.
2064         (quous_call): Same.
2065         (load_toc_v4_pic_si): Same
2066         (load_toc_v4_PIC_1): Same.
2067         (load_toc_v4_PIC_1b): Same.
2068         (call_indirect_aix{32,64}): Same.
2069         (call_value_indirect_aix{32,64}): Same.
2070         (call): Same.
2071         (call_value): Same.
2072         (call_local{32,64}): Same.
2073         (call_value_local{32,64}): Same.
2074         (call_indirect_nonlocal_aix{32,64}): Same.
2075         (call_nonlocal_aix{32,64}): Same.
2076         (call_value_indirect_nonlocal_aix{32,64}): Same.
2077         (call_value_nonlocal_aix{32,64}): Same.
2078         (call_indirect_nonlocal_sysv<mode>): Same.
2079         (call_nonlocal_sysv<mode>): Same.
2080         (call_value_indirect_nonlocal_sysv<mode>): Same.
2081         (call_value_nonlocal_sysv<mode>): Same.
2082         (sibcall): Same.
2083         (sibcall_local{32,64}): Same.
2084         (sibcall_value_local{32,64}): Same.
2085         (sibcall_nonlocal_aix{32,64}): Same.
2086         (sibcall_value_nonlocal_aix{32,64}): Same.
2087         (sibcall_nonlocal_sysv<mode>): Same.
2088         (sibcall_value): Same.
2089         (sibcall_value_nonlocal_sysv<mode>): Same.
2090
2091 2007-03-24  Paul Brook  <paul@codesourcery.com>
2092
2093         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2094         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2095
2096 2007-03-24  Richard Henderson  <rth@redhat.com>
2097
2098         * config/ia64/constraints.md: New file.
2099         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2100         satisfies_constraint_?.
2101         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2102         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2103         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2104         ia64_output_mi_thunk): Likewise.
2105         (ia64_const_ok_for_letter_p): Remove.
2106         (ia64_const_double_ok_for_letter_p): Remove.
2107         (ia64_extra_constraint): Remove.
2108         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2109         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2110         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2111         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2112         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2113         EXTRA_MEMORY_CONSTRAINT): Remove.
2114         * config/ia64/ia64.md: Include constriants.md.  Replace
2115         CONST_OK_FOR_? with satisfies_constraint_?.
2116
2117 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2118             H.J. Lu  <hongjiu.lu@intel.com>
2119
2120         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2121         DPD or BID name.
2122         (name macros): Use DPD_BID_NAME to convert names properly.
2123
2124         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2125         decimal floating point format.
2126         (init_floating_libfuncs): Change decimal functions so that they
2127         have a "bid_" prefix if the decimal system uses the BID format,
2128         and "dpd_" prefix if the decimal system uses the DPD format.
2129         (init_interclass_conv_libfuncs): Ditto.
2130         (init_intraclass_conv_libfuncs): Ditto.
2131
2132         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2133         using the BID format.
2134
2135         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2136         whether we are using the BID decimal format.
2137         * configure: Regenerate.
2138
2139         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2140         the compiler has decimal floating point enabled.  Define
2141         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2142         instead of DPD.
2143
2144         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2145         using the BID format.
2146
2147         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2148         whether we are using the BID decimal format.
2149         * configure: Regenerate.
2150
2151         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2152         the compiler has decimal floating point enabled.  Define
2153         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2154         instead of DPD.
2155
2156         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2157         options, and that it is enabled for i386/x86_64 systems.
2158
2159         * Makefile.in (enable_decimal_float): New.
2160         (DECNUMFMT): New.
2161         (DECNUMINC): Add  -I$(DECNUMFMT).
2162         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2163         to $(DECNUMFMT) from $(DECNUM).
2164
2165         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2166         Substitute enable_decimal_float.
2167         * configure: Regenerated.
2168
2169         PR other/30529
2170         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2171         unsigned long.
2172
2173         * configure.ac: Enable decimal float for x86_64-*-linux*.
2174         * configure: Regenerated.
2175
2176         PR other/30530
2177         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2178         decimal128ClearSign to flip and clear the sign bit in decimal128.
2179         (decimal_real_maxval): Set decimal128SetSign to set the sign
2180         bit in decimal128.
2181
2182 2007-03-23  Ian Lance Taylor  <iant@google.com>
2183
2184         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2185
2186 2007-03-23  Ian Lance Taylor  <iant@google.com>
2187
2188         * tree-dump.c (dump_files): Correct comment.
2189
2190 2007-03-23  Ian Lance Taylor  <iant@google.com>
2191
2192         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2193
2194 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2195
2196         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2197         in cfglayout mode.  Don't go into and out of cfglayout mode.
2198         Link the blocks in the order of the constructed traces.
2199         (rest_of_handle_tracer): Adjust call to tracer.
2200         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2201         Don't go into cfglayout mode.
2202         (rtl_loop_done): Don't go out of cfglayout mode.
2203         * cfglayout.c (relink_block_chain): New function, split out from...
2204         (fixup_reorder_chain): ...here.  Remove redundant checking.
2205         (cfg_layout_finalize): Don't clear the header, footer, and aux
2206         fields here, move the code to do so to relink_block_chain.  Likewise
2207         for free_original_copy_tables.
2208         * rtl.h (tracer): Update prototype.
2209         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2210         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2211         mode.  Use relink_block_chain to serialize the CFG according to the
2212         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2213         here...
2214         (gate_handle_reorder_blocks): ...to here.
2215         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2216         from here...
2217         (gate_duplicate_computed_gotos): ...to here.
2218         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2219         something always changes when going into and out of cfglayout mode.
2220         Perform an expensive cfg cleanup while going into cfglayout mode.
2221         Always update liveness information on HAVE_conditional_execution
2222         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2223         * reg-stack.c: Include cfglayout.h.
2224         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2225         the call to reorder_basic_blocks.
2226         * basic-block.h (reorder_basic_blocks): Update prototype.
2227         (relink_block_chain): New prototype.
2228         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2229
2230 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2231
2232         * config/mips/mips.md (type, hazard, *movdi_32bit,
2233         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2234         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2235         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2236         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2237         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2238         applicable.
2239         (movcc): Change first xfer to multi.
2240         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2241         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2242         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2243         config/mips/generic.md: Change reservations using "xfer" to use
2244         "mfc,mtc".
2245         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2246         using match_operand.
2247         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2248         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2249         examining mode.
2250         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2251
2252 2007-03-22  Richard Henderson  <rth@redhat.com>
2253
2254         * config/i386/i386.c: Remove unnecessary function declarations.
2255         Move targetm definition, and all related macros, to the end of
2256         the file.  Resort some functions to put definitions before uses.
2257         (ix86_attribute_table): Make static.  Move to end of file.
2258         (ix86_gimplify_va_arg): Make static.
2259
2260 2007-03-22  Richard Henderson  <rth@redhat.com>
2261
2262         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2263         don't increase local_regparm with force_align_arg_pointer check.
2264         (ix86_function_sseregparm): Assert 32-bit.
2265         (type_has_variadic_args_p): New.
2266         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2267         type_has_variadic_args_p.
2268         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2269         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2270         use memset instead.  Do maybe_vaarg check first; skip attribute
2271         tests if true; skip attribute tests for 64-bit.
2272         (construct_container): Remove TARGET_DEBUG_ARG.
2273         (function_arg_advance_32, function_arg_advance_64): Split out ...
2274         (function_arg_advance): ... from here.
2275         (function_arg_32, function_arg_64): Split out ...
2276         (function_arg): ... from here.
2277         (ix86_pass_by_reference): Tidy.
2278         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2279         (function_value_32): New, from parts of ix86_function_value
2280         and ix86_value_regno.
2281         (function_value_64): New, from parts of ix86_function_value
2282         and ix86_libcall_value.
2283         (ix86_function_value_1): New.
2284         (ix86_function_value, ix86_libcall_value): Use it.
2285         (return_in_memory_32, return_in_memory_64): Split out ...
2286         (ix86_return_in_memory): ... from here.
2287         (ix86_struct_value_rtx): Skip for 64-bit.
2288         (ix86_libcall_value, ix86_value_regno): Remove.
2289         (setup_incoming_varargs_64): Split out ...
2290         (ix86_setup_incoming_varargs): ... from here.
2291         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2292         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2293         * config/i386/i386-protos.h (ix86_function_value): Remove.
2294         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2295
2296 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2297
2298         PR other/23572
2299         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2300         infinities not supported, otherwise emit warning if -Woverflow. On
2301         underflow, emit warning if -Woverflow.
2302         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2303         and 0 otherwise.
2304         * real.h (real_from_string): Update declaration
2305
2306 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2307             Richard Henderson  <rth@redhat.com>
2308
2309         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2310         * calls.c (compute_argument_block_size, expand_call,
2311         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2312         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2313         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2314         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2315         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2316         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2317         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2318         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2319         Set to 1.
2320
2321 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2322
2323         * c-incpath.c (add_sysroot_to_chain): New.
2324         (merge_include_chains): Add sysroot argument.  Call
2325         add_sysroot_to_chain if sysrooted.
2326         (register_include_chains): Update call to merge_include_chains.
2327         * doc/cppopts.texi: Document use of '=' in include directory
2328         arguments.
2329
2330 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2333         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2334         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2335         insn pattern using X87MODEF12 mode macro.
2336
2337 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2338
2339         * regmove.c (regmove_optimize): Use reg_mentioned_p
2340         instead of reg_overlap_mentioned_p for DST.
2341
2342 2007-03-21  Mike Stump  <mrs@apple.com>
2343
2344         * c.opt: Fixup for Objective-C/C++.
2345
2346 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2347
2348         * explow.c (convert_memory_address): Fold memory reference when
2349         POINTERS_EXTEND_UNSIGNED < 0
2350
2351 2007-03-21  Richard Henderson  <rth@redhat.com>
2352
2353         PR target/31245
2354         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2355         * config/i386/mmintrin.h (__m64): Likewise.
2356         * config/i386/xmmintrin.h (__m128): Likewise.
2357
2358 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2359
2360         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2361         (VXWORKS_OS_CPP_BUILTINS): Define.
2362         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2363         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2364
2365 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2366
2367         * rtl.h (constant_pool_reference_p): Delete.
2368         (find_constant_src): Declare.
2369         * rtlanal.c (find_constant_src): New function.
2370         * simplify-rtx.c (constant_pool_reference_p): Delete.
2371         * config/i386/i386.md: Use find_constant_src instead of
2372         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2373
2374 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2375
2376         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2377         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2378
2379 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2380
2381         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2382         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2383         (arm_elf_asm_constructor): Use it.
2384         (arm_elf_asm_destructor): New function.
2385
2386 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2387
2388         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2389
2390 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2391
2392         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2393
2394 2007-03-19  Andrew Haley  <aph@redhat.com>
2395
2396         PR tree-optimization/31264
2397         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2398         VIEW_CONVERT_EXPRs.
2399
2400 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2401
2402         PR rtl-optimization/30907
2403         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2404         (fwprop_init): Always call loop_optimizer_initialize.
2405         (fwprop_done): Always call loop_optimizer_finalize.
2406         (fwprop): We always have loop info now.
2407         (gate_fwprop_addr): Remove.
2408         (pass_fwprop_addr): Use gate_fwprop as gate.
2409
2410         PR rtl-optimization/30841
2411         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2412         df_chain_alloc): Call df_reorganize_refs unconditionally.
2413         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2414         refs_organized to refs_organized_size.
2415         (df_ref_create_structure): Use refs_organized_size instead of
2416         bitmap_size if refs had been organized, and keep refs_organized_size
2417         up-to-date.
2418         * df.h (struct df_ref_info): Change refs_organized to
2419         refs_organized_size.
2420         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2421         bitmap_size.
2422
2423 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2424
2425         * except.c (output_function_exception_table): Do not reference the
2426         EH personality routine for functions that do not require an
2427         exception table.
2428
2429 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2430
2431         PR c/30762
2432         * c-typeck.c (convert_for_assignment): Call comptypes for
2433         RECORD_TYPE or UNION_TYPE.
2434
2435         PR inline-asm/30505
2436         * reload1.c (reload): Do invalid ASM checking after
2437         cleanup_subreg_operands.
2438
2439 2007-03-19  Jeff Law  <law@redhat.com>
2440
2441         * tree-cfg.c (find_taken_edge): Tighten conditions for
2442         optimizing computed gotos.
2443
2444 2007-03-19  Michael Matz  <matz@suse.de>
2445
2446         * builtins.c (expand_builtin_sync_operation,
2447         expand_builtin_compare_and_swap,
2448         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2449         correctly.
2450
2451         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2452         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2453         for operand 3.
2454
2455 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2456
2457         * doc/tm.texi: Add brackets around the return type of
2458         TARGET_SECONDARY_RELOAD.
2459
2460 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2461         Richard Guenther  <rguenther@suse.de>
2462
2463         PR tree-optimization/31254
2464         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2465         Use handled_component_p () where appropriate.  Continue
2466         propagating into the rhs if we propagated into an INDIRECT_REF
2467         on the lhs.
2468
2469 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2470
2471         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2472         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2473         (xde, xdee): Mode attributes adjusted to support DFP modes.
2474         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2475         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2476         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2477         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2478         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2479         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2480         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2481         numbers.
2482         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2483         "movsf"): Insn definitions removed.
2484         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2485         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2486         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2487         definitions added.
2488         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2489         "reload_in<mode>", "reload_out<mode>"): Expander added.
2490         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2491         Expander removed.
2492
2493 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2494
2495         * config/s390/s390.md: Only non-functional changes.  Renamed
2496         FPR mode macro to BFP all over the file.
2497
2498 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2499
2500         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2501         (op_type attribute): RRF instruction type added.
2502         (fT0): New mode attribute.
2503         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2504         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2505         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2506         no secondary memory is needed when moving DFmode values between GPRs
2507         and FPRs.
2508
2509 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2510
2511         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2512         inverted and documentation adjusted.
2513         ("mhard-dfp", "msoft-dfp"): New options.
2514         * config/s390/s390.c (s390_handle_arch_option): New architecture
2515         switch: z9-ec.
2516         (override_options): Sanity checks for the new options added.
2517         * config.gcc: New architecture switch: z9-ec.
2518         * config/s390/s390.h (processor_flags): PF_DFP added.
2519         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2520         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2521         when the bit is NOT set so remove it from the defaults.
2522
2523 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2524
2525         * genemit.c (main): Print include statement for dfp.h.
2526         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2527         is not available.
2528
2529 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2530
2531         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2532
2533 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2534
2535         PR target/31022
2536         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2537         instead of PATTERN.
2538
2539 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2540
2541         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2542         attr_length_call, output_call, output_indirect_call): Cleanup
2543         formatting of targetm calls.
2544
2545 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2546
2547         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2548
2549 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2550
2551         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2552         reservation, bypass and anti-bypass descriptions for these instructions.
2553         Update move patterns.
2554         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2555         TYPE_FPSTORE.
2556
2557 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2558
2559         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2560         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2561         (get_initial_def_for_reduction): Likewise.
2562
2563 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2564
2565         Fix PR tree-optimization/29922
2566         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2567         (get_representative): Removed.
2568         (value_dies_in_block_x): Update for rvuse removal.
2569         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2570         (compute_antic_aux): Handle when PHI nodes appear in
2571         non-single-successors.
2572         (dump_bitmap_of_names): Removed.
2573         (compute_antic_safe): Renamed and removed rvuse calculation.
2574         Calculate only antic safe.
2575         (insert_into_preds_of_block): Remove assert.
2576         (execute_pre): Update for renamed functions.
2577         (defer_or_phi_translate_block): New function.
2578
2579 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2580
2581         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2582         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2583         typos.
2584         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2585         Follow spelling conventions.
2586
2587         * tree-data-ref.h: Remove the prototype for analyze_array.
2588
2589 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2590
2591         PR tree-optimization/31041
2592         * tree-vect-transform.c (get_initial_def_for_induction): Call
2593         force_gimple_operand.
2594
2595 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2596
2597         * ipa-type-escape.c (look_for_casts) : Revert code to use
2598         handled_component_p due to ada test a-numaux.adb.
2599
2600 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2601
2602         * final.c (final_scan_insn): Alter the condition of a
2603         conditional trap if we have nonstandard CC.
2604
2605 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2606
2607         * configure.ac: Remove excess quoting from asm line 0 test.
2608         * configure: Rebuilt.
2609
2610 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2611
2612         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2613         * c-common.c (convert_and_check): Move warning logic to...
2614         (warnings_for_convert_and_check): ...here. Define.
2615         * c-common.h (warnings_for_convert_and_check): Declare.
2616
2617 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2618
2619         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2620         (output_call): Likewise.
2621
2622 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2623
2624         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2625
2626 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2627
2628         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2629
2630 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2631
2632         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2633         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2634
2635 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2636
2637         PR tree-optimization/31183
2638         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2639         Use double_int instead of unsigned int for representing access_strides.
2640         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2641
2642 2007-03-16  Richard Guenther  <rguenther@suse.de>
2643
2644         PR tree-optimization/31146
2645         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2646         to allow recursion of forward_propagate_addr_expr.
2647         (forward_propagate_addr_into_variable_array_index): Likewise.
2648         (forward_propagate_addr_expr): Likewise.
2649         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2650         (forward_propagate_addr_expr_1): Recurse on simple copies
2651         instead of propagating into them.  Do so for useless conversions
2652         as well.
2653         (forward_propagate_addr_expr): Clean up unused statements after
2654         recursion.
2655
2656 2007-03-16  Richard Guenther  <rguenther@suse.de>
2657
2658         * builtins.c (expand_builtin_cexpi): Use the right argument
2659         for the expansion via cexp.
2660
2661 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2662
2663         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2664         * configure: Rebuilt.
2665
2666 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2667
2668         PR debug/29906
2669         * dwarf2out.c (force_type_die): Adjust comment.
2670         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2671
2672 2007-03-15  DJ Delorie  <dj@redhat.com>
2673
2674         * config/frv/predicates.md (minmax_operator): Don't check operands
2675         here.
2676
2677 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2678
2679         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2680         Update constant estimates of number of iterations.
2681         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2682         argument renamed to "realistic".
2683         (compute_estimated_nb_iterations): Removed.
2684         (record_niter_bound): New function.
2685         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2686         call record_nonwrapping_iv with upper = false.
2687         (infer_loop_bounds_from_signedness): Pass upper argument to
2688         record_nonwrapping_iv.
2689         (estimate_numbers_of_iterations_loop): Do not call
2690         compute_estimated_nb_iterations.  Record estimate based on profile
2691         information.  Initialize the constant estimates of number of
2692         iterations.
2693         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2694         estimates.
2695         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2696         number of iterations is too small.
2697         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2698         (EST_NOT_AVAILABLE): Removed.
2699         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2700         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2701         fields.
2702
2703 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2704
2705         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2706         Handle NE_EXPR guards.
2707
2708 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2709
2710         PR c++/24924
2711         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2712         Set also -pedantic-errors by default for the  preprocessor unless
2713         -fpermissive is given.
2714
2715 2007-03-15  Richard Guenther  <rguenther@suse.de>
2716
2717         PR middle-end/29719
2718         PR middle-end/31161
2719         * builtins.c (expand_builtin_cexpi): As a fallback if we
2720         don't have builtins for sincos or cexp create a function
2721         declaration for cexp and expand to a call to that.
2722         (expand_builtin_int_roundingfn): Always fall
2723         back to floor/ceil and its variants even if they may be
2724         not available.
2725
2726 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2727
2728         PR middle-end/31159
2729         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2730         jump tables, move the call to delete_dead_jumptables from here...
2731         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2732         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2733         don't allow merging of blocks that try_redirect_by_replacing_jump
2734         also does not handle when not optimizing.
2735
2736 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2737             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2738
2739         * config/i386/i386.md (x86_sahf_1): Correctly handle
2740         HAVE_AS_IX86_SAHF.
2741
2742 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         PR target/31167
2745         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2746         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2747         from operand constraints and use "e" constraint instead.
2748         (*subti3_1, *subti3_1 splitter): Ditto.
2749         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2750         operand[1] predicate.
2751
2752 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2753
2754         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2755         arrays, multiply the access strides by the size of the sub-array.
2756         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2757
2758 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2759
2760         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2761         the configured assembler supports the sahf mnemonic.
2762         * configure: Regenerate.
2763         * config.in: Regenerate.
2764
2765         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2766         emit "sahf" or ".byte\t0x9e" as asm template.
2767
2768 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2769
2770         PR 31018
2771         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2772         option to replace hard coded TARGET_xxx in md file.
2773         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2774         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2775         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2776         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2777         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2778         (X86_TUNE_NOT_VECTORMODE): Ditto.
2779         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2780         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2781         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2782         (TUNE_SLOW_IMUL_IMM8): Ditto.
2783         (TUNE_MOVE_M1_VIA_OR): Ditto.
2784         (TUNE_NOT_UNPAIRABLE): Ditto.
2785         (TUNE_NOT_VECTORMODE): Ditto.
2786
2787         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2788         options.
2789
2790         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2791         tuning options instead of hard coded TARGET_xxx.
2792         (fix ssemode peephole2's): Ditto.
2793         (imul peephole2's): Ditto.
2794         (movsi_or): Ditto.
2795         (movdi_or_rex64): Ditto.
2796         (move peephole2): Ditto.
2797         (not peephole2's): Ditto.
2798
2799 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2800
2801         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2802         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2803         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2804         of empty body.
2805         * c-parser.c (c_parser_do_statement): Warn about empty body in
2806         do/while statement.
2807         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2808         * doc/invoke.texi (-Wempty-body): Update documentation.
2809
2810 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2811
2812         PR c/21438
2813         * c-common.h (warn_for_div_by_zero): Declare.
2814         * c-common.c (warn_for_div_by_zero): Define.
2815         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2816         warning.
2817
2818 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2819
2820         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2821         to PREFIX and STANDARD_PREFIX.
2822
2823 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2824             Phil Edwards  <phil@codesourcery.com>
2825
2826         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2827         (__gthread_once_t): Remove busy field for RTPs.
2828         (__GTHREAD_ONCE_INIT): Update accordingly.
2829
2830 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2831
2832         * doc/invoke.texi: Document VxWorks options.
2833
2834 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2835
2836         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2837
2838 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2839
2840         PR tree-optimization/30590
2841         * tree-nrv.c (tree_nrv): Check for the partial update of the
2842         return value.
2843
2844 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2845
2846         * flags.h (flag_random_seed): Remove declaration, in favor of...
2847         * toplev.h (get_random_seed, set_random_seed): ... these.
2848         * tree.c (get_file_function_name): Use the former.
2849         * opts.c (common_handle_option): Use the latter.
2850         * toplev.c
2851
2852 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2853
2854         PR middle-end/31127
2855         * cse.c (cse_find_path): Do not bail out if a basic block that
2856         we already visited now becomes part of a path that starts at a
2857         different basic block.  Just disallow this, to make sure we
2858         visit each basic block at most once.
2859
2860 2007-03-13  Jan Hubicka  <jh@suse.cz>
2861
2862         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2863         when profile esitmate is present, calls with very low frequency are
2864         cold.
2865
2866 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2867
2868         PR tree-optimization/30730
2869         PR tree-optimization/26900
2870         * tree-ssa-loop-niter.c: Include gmp.h.
2871         (bounds): New type.
2872         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2873         split_to_var_and_offset, determine_value_range,
2874         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2875         bound_difference, bounds_add, bounds_negate,
2876         number_of_iterations_ne_max, dump_affine_iv): New functions.
2877         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2878         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2879         difference of initial and final value of control iv to validate
2880         results.
2881         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2882         on the difference of the extremes of the control iv.  Add dumps.
2883         (expand_simple_operations): Handle phi nodes.
2884         (simplify_using_initial_conditions): Do not record used conditions.
2885         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2886         Do not set additional_info.
2887         (implies_nonnegative_p, implies_ge_p): Removed.
2888         (derive_constant_upper_bound): Do not use parameter `additional'.
2889         (record_estimate): Parameter `additional' removed.  Parameter
2890         `i_bound' added.  Do not call derive_constant_upper_bound.
2891         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2892         bound the number of iterations estimate.
2893         (estimate_numbers_of_iterations_loop): Pass the estimate from
2894         the number of iterations analysis to record_estimate.
2895         * tree.h (multiple_of_p): Declare.
2896         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2897         (scev_const_prop): Do not check expression_expensive_p.
2898         * fold-const.c (multiple_of_p): Exported.
2899         * double-int.c (double_int_mask): Exported.
2900         * double-int.h (double_int_mask): Declare.
2901         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2902         field.  Added max field.
2903
2904 2007-03-13  David Taylor  <taylor@candd.org>
2905
2906         PR driver/12448:
2907         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2908         default -MQ.
2909
2910 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2911
2912         PR target/31123
2913         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2914         two unamed patterns.
2915
2916 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2917
2918         * config/i386/i386.opt (mcx16, msahf): New options.
2919         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2920         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2921
2922         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2923         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2924         Output -mcx16 and -msahf options when corresponding bit is set.
2925
2926         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2927         and -msahf options.
2928
2929 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2930
2931         * configure.ac: Test for assembler tolerance to # 0 "".
2932         * configure, config.in: Rebuilt.
2933         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2934
2935 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2936
2937         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2938
2939         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2940         (handle_syscall): Handle direct system calls.
2941         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2942
2943 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2944
2945         * doc/invoke.texi: Fix cpp.info cross-reference.
2946         * doc/passes.texi: Fix gcc.info cross-reference.
2947
2948 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2949
2950         PR tree-optimization/30835
2951         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2952         bb_for_stmt is not NULL before accessing it.
2953
2954 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2955
2956         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2957         some multilibs.
2958
2959 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2960
2961         PR 30635
2962         * doc/install.texi: Document --enable-stage1-languages
2963
2964 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2965
2966         * tree-pass.h (pass_into_cfg_layout_mode,
2967         pass_outof_cfg_layout_mode): Declare.
2968         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2969         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2970         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2971         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2972
2973 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2974
2975         * c-decl.c (warn_variable_length_array): New function.
2976         Refactored from grokdeclarator to handle warn_vla
2977         and handle unnamed array case.
2978         (grokdeclarator): Refactored VLA warning case.
2979         * c.opt (Wvla): New flag.
2980         * doc/invoke.texi (Wvla): New warning.
2981
2982 2007-03-12  Richard Henderson  <rth@redhat.com>
2983
2984         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2985         (TARGET_SECTION_TYPE_FLAGS): New.
2986
2987 2007-03-12  Richard Henderson  <rth@redhat.com>
2988
2989         * config/darwin.c (machopic_reloc_rw_mask): New.
2990         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2991         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2992
2993 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2994
2995         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2996         * cppdefault.h (cpp_PREFIX): Document.
2997         (cpp_PREFIX_len): Likewise.
2998         (cpp_EXEC_PREFIX): New variable.
2999         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3000         * c-incpath.c (add_standard_paths): Correct logic for relocating
3001         paths within prefix.
3002
3003 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3004
3005         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3006         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3007         mode macro.
3008         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3009         fix_truncdfdi_sse using SSEMODEF mode macro.
3010         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3011         fix_truncdfsi_sse using SSEMODEF mode macro.
3012         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3013         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3014
3015 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3016
3017         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3018         elfos.h to tm_file.
3019
3020 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3021
3022         * tree.h : Add multiple_of_p declaration.
3023         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3024         * ipa-type-escape.c (results_of_malloc): Redundant.
3025         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3026         (cast_type): Extended with new members.
3027         (check_cast): Returns cast_type.
3028         (cast): New structure for data of walk_use_def_chains.
3029         (is_malloc_result, is_cast_from_non_pointer_1,
3030         is_cast_from_non_pointer,
3031         is_array_access_through_pointer_and_index): New functions.
3032         (look_for_casts): Returns cast types.
3033         (check_call): Returns void.
3034         (okay_pointer_operation): Use support of pointer plus index,
3035         pointer plus constant and allow all multiplications.
3036
3037 2007-03-11  Richard Guenther  <rguenther@suse.de>
3038
3039         PR tree-optimization/31115
3040         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3041         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3042         A shift count of zero is not special as with *_DIV_EXPR.
3043         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3044         direction.
3045
3046 2007-03-11  Ian Lance Taylor  <iant@google.com>
3047
3048         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3049         the *_DIV_EXPR codes correctly with overflow infinities.
3050
3051 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3052
3053         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3054         indicate success/failure of the analysis. Add negation to subtrahend
3055         in case of subtraction. Fail if both operands contain constants.
3056         (create_data_ref): Fail if analyze_offset fails.
3057
3058 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3059
3060         * config/i386/i386.md (frndintxf2): Rename to ...
3061         (rintxf2): ... this. Remove expander having same name.
3062         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3063         (roundsf2, rounddf2): Ditto.
3064         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3065         (lround<mode>di2, lround<mode>si2): Ditto.
3066
3067 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3068
3069         * lower-subreg.c: Include except.h.
3070         (decompose_multiword_subregs): Verify that the only control flow
3071         insns we can split are loads to multi-words pseudos.
3072         Handle breaking such blocks after splitting, instead of calling
3073         find_many_sub_basic_blocks.
3074
3075         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3076         on the new basic block.  Add a lengthy comment explaining why we
3077         thought this was necessary.
3078         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3079
3080 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3081
3082         PR c++/30924
3083         * tree.c (walk_type_fields): Recurse into the element type of
3084         ARRAY_TYPEs if there is a pointer set.
3085
3086 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3087
3088         * c-common.c (warn_logical_operator): Fix condition.
3089
3090 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3091
3092         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3093         quotation mark.
3094         * config/darwin.c (machopic_select_section): Remove superfluous
3095         argument in call to categorize_decl_for_section.  Remove unused
3096         variable shlib.
3097
3098 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3099
3100         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3101         defined.
3102         * configure: Regenerate.
3103
3104 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3105
3106         PR target/31101
3107         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3108         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3109         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3110         Add LABEL_NUSES to emitted label.
3111         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3112         branch probability value to emitted jump insn.
3113         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3114         Do not check life information and do not re-arrange input operands
3115         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3116
3117 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3118
3119         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3120         the change of decode_asm_operands.
3121
3122 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3123
3124         * mode-switching.c (create_pre_exit): Skip blockage insn.
3125
3126 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3127
3128         * tree-pass.h (TODO_update_smt_usage): Remove.
3129         Update all users.
3130         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3131         argument SOME.
3132         Update all users.
3133
3134 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3135
3136         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3137         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3138         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3139         SOM target.
3140
3141 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3142
3143         * gcc.c: Document %{, in big comment at top.
3144         (input_suffix_matches): Remove special handling for .s and
3145         .S.
3146         (input_spec_matches): New.
3147         (handle_braces): Handle %{,.
3148         (validate_switches): ',' indicates a value which is not a switch.
3149         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3150         to detect assembler input.
3151         * config/i386/sol2.h (CPP_SPEC): Likewise.
3152         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3153         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3154         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3155         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3156         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3157         -m64 causes deployment target to default to 10.5.
3158         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3159
3160 2007-03-09  Richard Henderson  <rth@redhat.com>
3161
3162         PR target/26090
3163         * target.h (targetm.asm.out.reloc_rw_mask): New.
3164         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3165         (TARGET_ASM_OUT): Use it.
3166         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3167         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3168         use the new reloc_rw_mask target hook instead.
3169         (default_section_type_flags_1): Merge into...
3170         (default_section_type_flags): ... here.
3171         (decl_readonly_section_1): Merge into...
3172         (decl_readonly_section): ... here.
3173         (default_elf_select_section_1): Merge into...
3174         (default_elf_select_section): ... here.
3175         (default_unique_section_1): Merge into...
3176         (default_unique_section): ... here.
3177         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3178         (default_select_rtx_section): Use it.
3179         (default_elf_select_rtx_section): Likewise.
3180         * output.h: Update to match.
3181         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3182         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3183         (TARGET_ASM_RELOC_RW_MASK): New.
3184         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3185         to categorize_decl_for_section.
3186         (x86_64_elf_unique_section): Likewise.
3187         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3188         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3189         (TARGET_ASM_RELOC_RW_MASK): New.
3190         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3191         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3192         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3193         (TARGET_RWRELOC): Remove.
3194         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3195         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3196         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3197         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3198         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3199         (rs6000_xcoff_select_section): Use decl_readonly_section.
3200         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3201         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3202         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3203         (TARGET_SECTION_TYPE_FLAGS): Remove.
3204         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3205
3206 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3207
3208         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3209         complex constant equality/inequality comparisons for here.
3210         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3211         known at compile-time or can be simplified to a scalar comparison.
3212         (fold_relational_const): Move compile-time evaluation of complex
3213         constant equality/inequality comparisons to here.
3214
3215 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3216
3217         PR rtl-optimization/30643
3218         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3219         dest_addr_elt.
3220         (fold_rtx): Recurse, like before 2006-11-03.
3221
3222 2007-03-09  DJ Delorie  <dj@redhat.com>
3223
3224         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3225         m32c-pragma.o.
3226
3227 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3228
3229         PR tree-optimization/30375
3230         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3231         LHS of statements is not the same.
3232         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3233
3234 2007-03-09  Chao-ying Fu  <fu@mips.com>
3235
3236         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3237         REV 2.
3238         * doc/invoke.texi (-mdspr2): Document new option.
3239         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3240         New unspec for DSP REV 2.
3241         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3242         these instructions are extended in DSP REV 2.
3243         (mips-dspr2.md): Include.
3244         * config/mips/mips.opt (mdspr2): New option.
3245         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3246         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3247         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3248         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3249         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3250         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3251         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3252         and 2 builtins.
3253         (bdesc_map): Add one field of unsupported_target_flags.
3254         (bdesc_arrays):  Update entries to have extra fields.  Add
3255         dsp_32only_bdesc.
3256         (mips_init_builtins): Initialize new function types.
3257         Check unsupported_target_fileds to filter out builtins.
3258         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3259         TARGET_DSPR2.
3260         (ASM_SPEC): Pass mdspr2 to the assembler.
3261         * config/mips/mips-dspr2.md: New file.
3262
3263 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3264
3265         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3266
3267 2007-03-09  Ian Lance Taylor  <iant@google.com>
3268
3269         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3270         argument) like -Wstrict-overflow=2.
3271         * doc/invoke.texi (Warning Options): Update documentation.
3272
3273 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3274
3275         PR c++/17946
3276         * doc/invoke.texi (-Wlogical-op): Document.
3277         * common.opt (-Wlogical-op): New.
3278         * c-common.h (warn_logical_operator): Declare.
3279         * c-common.c (warn_logical_operator): Define.
3280         * c-typeck.c (parser_build_binary_op): Call
3281         warn_logical_operator.
3282
3283 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3284
3285         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3286         * final.c (final_scan_insn): Test for non-"" file name.
3287
3288 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3289
3290         * doc/loop.texi: Document the Omega linear constraints solver.
3291         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3292         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3293         omega-hash-table-size, omega-max-keys, and
3294         omega-eliminate-redundant-constraints.
3295         * tree-pass.h (pass_check_data_deps): Declared.
3296         * omega.c: New.
3297         * omega.h: New.
3298         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3299         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3300         pass_check_data_deps): New.
3301         * tree-data-ref.c (init_data_ref): Remove declaration.
3302         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3303         (analyze_array): Renamed init_array_ref, move up initializations.
3304         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3305         Removed arguments that are set to NULL.
3306         (analyze_indirect_ref): Correct indentation, correct call to
3307         init_pointer_ref.
3308         (object_analysis): Call init_array_ref instead of analyze_array.
3309         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3310         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3311         of DR_ACCESS_FNS_ADDR.
3312         (init_omega_eq_with_af, omega_extract_distance_vectors,
3313         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3314         ddr_consistent_p): New.
3315         (compute_affine_dependence): Check consistency of ddrs when
3316         flag_check_data_deps is passed.
3317         (analyze_all_data_dependences): Uncomment.
3318         (tree_check_data_deps): New.
3319         * tree-data-ref.h: Include omega.h.
3320         (DR_ACCESS_FNS_ADDR): Removed.
3321         (data_dependence_relation): Add inner_loop.
3322         (DDR_INNER_LOOP): New.
3323         * common.opt (fcheck-data-deps): New.
3324         * tree-flow.h (tree_check_data_deps): Declare.
3325         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3326         (OBJS-common): Depend on omega.o.
3327         (omega.o): Define.
3328         * passes.c (pass_check_data_deps): Scheduled.
3329         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3330         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3331         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3332         PARAM_VECT_MAX_VERSION_CHECKS,
3333         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3334
3335 2007-03-09  Richard Guenther  <rguenther@suse.de>
3336
3337         PR tree-optimization/30904
3338         PR middle-end/31058
3339         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3340         the same way as *_DIV_EXPR.
3341
3342 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3343
3344         * recog.c (decode_asm_operands): No mixed declarations and code.
3345
3346 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3347
3348         * rtl.def (ASM_INPUT): Add location.
3349         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3350         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3351         (decode_asm_operands): Add loc operand.
3352         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3353         * stmt.c (expand_asm): Rename to...
3354         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3355         gen_rtx_ASM_INPUT_loc.
3356         (expand_asm_expr): Adjust.
3357         * recog.c (decode_asm_operands): Add loc operand.
3358         (check_asm_operands, extract_insn): Adjust.
3359         * reload1.c (maybe_fix_stack_asms): Likewise.
3360         * final.c (asm_insn_count): Likewise.
3361         (final_scan_insn): Output # line before and after asm.
3362
3363 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3364
3365         * tree-ssa-structalias.c (variable_info): Remove
3366         finished_solution.
3367         (new_var_info): Ditto.
3368         (shared_bitmap_info_t): New structure.
3369         (shared_bitmap_table): New variable.
3370         (shared_bitmap_hash): New function.
3371         (shared_bitmap_eq): Ditto
3372         (shared_bitmap_lookup): Ditto.
3373         (shared_bitmap_add): Ditto.
3374         (merge_smts_into): Change to take bitmap directly.
3375         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3376         (init_alias_vars): Init shared bitmap hashtable.
3377         (delete_points_to_sets): Delete shared bitmap hashtable.
3378         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3379         is_aliased removal as a change that was still necessary was
3380         deleted.
3381
3382 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3383
3384         * config/i386/i386.h (override_options): Conditionally disable
3385         x86_sahf for 64bit targets only.
3386
3387 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3388
3389         PR C/31072
3390         * c-decl.c (merge_decls): Don't call make_var_volatile.
3391         * varasm.c (make_var_volatile): Remove.
3392         * output.h (make_var_volatile): Remove.
3393
3394 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3395
3396         PR tree-optimization/31085
3397         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3398
3399 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3400
3401         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3402         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3403         ATTR_CONST_NOTHROW_LIST.
3404
3405         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3406         FIX_TRUNC_EXPR.
3407
3408 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3409
3410         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3411
3412 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3413
3414         PR 31013
3415         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3416         is declared.
3417         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3418         passed, use shared libgcc.
3419
3420 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3421
3422         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3423         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3424         (honor_protect_cleanup_actions, lower_try_finally_switch):
3425         Likewise.
3426         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3427         ifc_temp_var): Likewise.
3428         * tree-inline.c (setup_one_parameter): Likewise.
3429         * tree-mudflap.c (mf_decl_cache_locals,
3430         mf_build_check_statement_for): Likewise.
3431         * tree-nested.c (init_tmp_var, save_tmp_var,
3432         finalize_nesting_tree_1): Likewise.
3433         * tree-outof-ssa.c (insert_copy_on_edge,
3434         insert_backedge_copies): Likewise.
3435         * tree-profile.c (tree_gen_edge_profiler,
3436         tree_gen_ic_profiler): Likewise.
3437         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3438         * tree-sra.c (sra_build_assignment): Likewise.
3439         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3440         * tree-ssa-math-opts.c (insert_reciprocals,
3441         execute_cse_sincos_1): Likewise.
3442         * tree-tailcall.c (adjust_accumulator_values,
3443         adjust_return_value): Likewise.
3444         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3445         * tree-vect-transform.c (vect_create_data_ref_ptr,
3446         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3447         vect_create_epilog_for_reduction, vectorizable_reduction,
3448         vectorizable_call, vectorizable_conversion,
3449         vectorizable_assignment, vectorizable_operation,
3450         vectorizable_type_demotion, vect_gen_widened_results_half,
3451         vect_permute_store_chain, vectorizable_store,
3452         vect_setup_realignment, vect_permute_load_chain,
3453         vectorizable_load, vectorizable_condition,
3454         vect_create_cond_for_align_checks): Likewise.
3455         * tree-vrp.c (build_assert_expr_for): Likewise.
3456
3457 2007-03-08  Ian Lance Taylor  <iant@google.com>
3458
3459         * tree-vrp.c: Include "intl.h".
3460         (usable_range_p): New static function.
3461         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3462         overflowed values, juts set *strict_overflow_p.
3463         (compare_values): Only return -2 if one of the operands is not a
3464         constant.
3465         (compare_ranges): Call usable_range_p.
3466         (compare_range_with_value): Likewise.
3467         (vrp_evaluate_conditional_warnv): Rename from
3468         vrp_evaluate_conditional.  Make static.  Change all callers.
3469         (vrp_evaluate_conditional): New function.
3470         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3471         on signed overflow.
3472         (simplify_abs_using_ranges): Likewise.
3473         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3474         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3475         within_stmt parameter.
3476         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3477         vrp_evaluate_conditional.
3478         * tree-ssa-threadedge.c
3479         (record_temporary_equivalences_from_stmts_at_dest): Change
3480         simplify parameter to take a second tree parameter.
3481         (simplify_control_stmt_condition): Likewise.
3482         (thread_across_edge): Likewise.
3483         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3484         (thread_across_edge): Likewise.
3485         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3486
3487 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3488
3489         * config/i386/i386.h (TARGET_SAHF): New define.
3490         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3491         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3492         (x86_sahf): New global variable.
3493         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3494         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3495         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3496         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3497         for 64-bit.
3498         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3499         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3500         when expanding fcomi/sahf based tests.
3501         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3502         expanding sahf based alternative. Emit sahf based sequence when
3503         optimizing for code size.
3504         * config/i386/i386.md (x86_sahf_1): Do not disable for
3505         TARGET_64BIT, enable for TARGET_SAHF.
3506
3507 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3508
3509         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3510         spurious whitespace from error message.
3511
3512 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3513
3514         PR c++/30852
3515         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3516
3517 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3518
3519         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3520         bitfields.
3521         * tree-sra.c (instantiate_element): Propagate disabled warnings
3522         from the element itself to the created variable.
3523
3524 2007-03-07  Richard Henderson  <rth@redhat.com>
3525
3526         PR target/30848
3527         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3528         silently fix up the stack in the case of a missing register.
3529
3530 2007-03-07  Paul Brook  <paul@codesourcery.com>
3531
3532         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3533
3534 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3535
3536         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3537         New.
3538         (phase1_vrs): Use them.
3539         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3540         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3541         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3542         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3543         __gnu_Unwind_Restore_WMMXC if required.
3544         (_Unwind_VRS_Pop): Implement iWMMXt support.
3545         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3546         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3547         gnu_Unwind_Save_WMMXC): Define.
3548
3549 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3550
3551         * config/vxworks.h (vxworks_override_options): Declare.
3552         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3553         * config/vxworks.c: Include target.h and toplev.h.
3554         (vxworks_override_options): New function.
3555         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3556
3557 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3558
3559         * config/s390/s390.c (override_options): Don't emit an error when
3560         -mstack-size is used without providing -mstack-guard.
3561         (s390_emit_prologue): Choose stack_guard value automatically if not
3562         provided via command line.
3563         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3564
3565 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3566
3567         * config/i386/i386.c (output_set_got): Add a GOT initialization
3568         sequence for VxWorks PIC.
3569         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3570         around labels as well as symbols.  Use gotoff_operand instead
3571         of local_symbolic_operand.
3572         (legitimize_pic_address): Use gotoff_operand instead of
3573         local_symbolic_operand.  Use @GOT accesses for labels as
3574         well as symbols.
3575         (ix86_output_addr_diff_elt): Use PC-relative rather than
3576         GP-relative offsets for VxWorks PIC.
3577         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3578         no_new_pseudos.  Check whether the returned register is op0.
3579         * config/i386/i386.md (tablejump): Use PC-relative rather than
3580         GP-relative offsets for VxWorks PIC.
3581         * config/i386/predicates.md (gotoff_operand): New predicate.
3582
3583 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3584
3585         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3586         before defining.
3587         * config/vxworks-dummy.h: New file.
3588         * config/i386/i386.h: Include it.
3589
3590 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3591
3592         * dwarf2out.c (is_inlined_entry_point): New
3593         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3594         DW_AT_ranges if the first subblock is the entry point.
3595
3596 2007-03-06  David Daney  <ddaney@avtrex.com>
3597
3598         * doc/install.texi (mips-*-*): Change recommended binutils
3599         version.
3600
3601 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3602
3603         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3604         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3605         devices.
3606         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3607         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3608
3609 2007-03-06  Jan Hubicka  <jh@suse.cz>
3610
3611         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3612         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3613         are hot.
3614         (probably_cold_bb_p): Cold functions are cold.
3615         (probably_never_executed_bb_p): Cold functions are cold.
3616         (tree_bb_level_predictions): Predict calls to cold functions as not
3617         taken.
3618         (compute_function_frequency): Check hot/cold attributes.
3619         * function.h (function_frequency): Update comments.
3620         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3621         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3622         (c_common_att): Add cold and hot.
3623
3624         * doc/extend.texi (hot,cold attributes): Document.
3625
3626 2007-03-06  Andrew Haley  <aph@redhat.com>
3627
3628         * function.c (expand_function_end): Move blockage to just after we
3629         emit the label for the naked return from the function.
3630
3631 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3632
3633         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3634         before redefining.
3635
3636 2007-03-06  Jan Hubicka  <jh@suse.cz>
3637
3638         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3639         loaded for constant large models.  Non-large 64bit PIC can do.
3640         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3641         * cmodel.h: Add LARGE PIC.
3642         * i386.md (UNSPEC_PLTOFF): New.
3643         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3644         needed.
3645         (*call_1_rex64): Disable for large models.
3646         (*call_1_rex64_large): New.
3647         (*call_value_1_rex64): Disable for large models.
3648         (*call_value_1_rex64_large): New.
3649         (set_rip_rex4): New.
3650         (set_got_offset_rex64): New.
3651         * predicates.md (constant_call_address_operand): For large model
3652         constant calls are not possible.
3653         * i386-protos.h (construct_plt_address): Declare.
3654         * i386.c (override_options): Accept large models.
3655         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3656         (legitimate_constant_p): Add new UNSPECs.
3657         (legitimate_pic_operand_p): Likewise.
3658         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3659         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3660         non-large model.
3661         (output_pic_addr_const): Add PLTOFF.
3662         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3663         (ix86_expand_move): Legitimize pic address when in PIC mode.
3664         (construct_plt_address): New function.
3665         (ix86_expand_call): Offload the address to register and use GOT pointer
3666         for large model.
3667         * invoke.texi (mcmodel=large): Update documentation.
3668
3669 2007-03-06  Richard Henderson  <rth@redhat.com>
3670
3671         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3672         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3673         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3674         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3675         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3676         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3677         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3678         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3679         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3680         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3681         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3682         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3683         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3684         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3685         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3686         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3687         x86_schedule, x86_use_bt, x86_pad_returns,
3688         x86_use_xchgb): Merge into ...
3689         (ix86_tune_features): ... here.  New array.
3690         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3691         x86_bswap): Merge into ...
3692         (ix86_arch_features): ... here.  New array.
3693         (x86_3dnow_a): Remove.
3694         (x86_accumulate_outgoing_args): Make static.
3695         (x86_arch_always_fancy_math_387): Make static.
3696         (ix86_tune_mask, ix86_arch_mask): Move ...
3697         (override_options): ... to local variables here.  Apply the
3698         appropriate mask to each element of ix86_arch_features and
3699         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3700         as were done in the old macros.
3701         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3702         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3703         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3704         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3705         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3706         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3707         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3708         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3709         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3710         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3711         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3712         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3713         x86_accumulate_outgoing_args, x86_prologue_using_move,
3714         x86_epilogue_using_move, x86_decompose_lea,
3715         x86_arch_always_fancy_math_387, x86_shift1,
3716         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3717         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3718         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3719         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3720         x86_use_incdec, x86_pad_returns, x86_bswap,
3721         x86_partial_flag_reg_stall): Remove.
3722         (enum ix86_tune_indices): New.
3723         (ix86_tune_features): New.
3724         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3725         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3726         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3727         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3728         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3729         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3730         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3731         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3732         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3733         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3734         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3735         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3736         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3737         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3738         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3739         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3740         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3741         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3742         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3743         TARGET_EXT_80387_CONSTANTS): Use it.
3744         (enum ix86_arch_indices): New.
3745         (ix86_arch_features): New.
3746         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3747         TARGET_BSWAP): Use it.
3748         (ix86_tune_mask, ix86_arch_mask): Remove.
3749
3750 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3751
3752         PR bootstrap/31020
3753         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3754         Define using $${sysroot_headers_suffix}.
3755         * configure: Regenerate.
3756         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3757         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3758         defined.
3759         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3760         * gcc.c (print_sysroot_headers_suffix): New.
3761         (option_map): Include --print-sysroot-headers-suffix.
3762         (display_help): Mention -print-sysroot-headers-suffix.
3763         (process_command): Handle -print-sysroot-headers-suffix.
3764         (do_spec_1): Append multilib directory to include-fixed path if
3765         sysroot suffixes in use.
3766         (main): Handle -print-sysroot-headers-suffix.
3767         * Makefile.in (start.encap): Don't depend on xlimits.h
3768         (xlimits.h): Remove.
3769         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3770         limits.h for each multilib in fixinc_list.
3771         (fixinc_list, s-fixinc_list): New.
3772         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3773         generate them for each multilib in fixinc_list.
3774         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3775         multilib in fixinc_list.
3776         (mostlyclean): Don't remove xlimits.h.
3777         (clean): Remove include-fixed.
3778         (real-install-headers-tar, real-install-headers-cpio,
3779         real-install-headers-cp): Don't copy include, only include-fixed.
3780         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3781         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3782         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3783         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3784
3785 2007-03-06  Jan Hubicka  <jh@suse.cz>
3786
3787         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3788         NANs easilly.
3789
3790 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3791
3792         * configure.ac: Allow tm_file to contain build-directory files.
3793         * configure: Regenerate.
3794         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3795         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3796         * config/m68k/print-sysroot-suffix.sh: New file.
3797
3798 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3799
3800         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3801         of pic_offset_table_rtx if reload_completed.
3802         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3803         PIC_OFFSET_TABLE_REGNUM.
3804         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3805         return true.
3806         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3807         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3808
3809 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3810
3811         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3812         functions that call eh_return.
3813
3814 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3815
3816         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3817         functions that need a constant pool.
3818
3819 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3820
3821         PR target/28181
3822         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3823         (m68k_preferred_reload_class): Likewise.
3824         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3825         (SECONDARY_RELOAD_CLASS): Define.
3826         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3827         (LIMIT_RELOAD_CLASS): Delete.
3828         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3829         registers from storing bytes.
3830         (m68k_secondary_reload_class): New function.
3831         (m68k_preferred_reload_class): Likewise.
3832
3833 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3834
3835         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3836         leaf functions.
3837         (m68k_expand_prologue): Likewise.
3838
3839 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3840
3841         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3842         (mips_expand_epilogue): Add a bool parameter.
3843         (m68k_legitimize_sibcall_address): Declare.
3844         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3845         (m68k_expand_epilogue): Add a parameter to select between sibling
3846         and normal epilogues.  Only generate a return for the latter.
3847         (m68k_ok_for_sibcall_p): New function.
3848         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3849         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3850         (sibcall_value, *sibcall_value): Likewise.
3851         (*call, *call_value): Require !SIBLING_CALL_P.
3852         (epilogue): Update call to m68k_expand_epilogue.
3853         (sibcall_epilogue): New pattern.
3854         * config/m68k/predicates.md (const_call_operand): Say that this
3855         predicate applies to sibling calls too.
3856         (sibcall_operand): New predicate.
3857
3858 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3859
3860         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3861         alternatives as movsi_cf.
3862         (movsf_cf_hard): Add commentary.
3863
3864 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3865             Richard Sandiford  <richard@codesourcery.com>
3866
3867         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3868         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3869         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3870         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3871         as being live on exit from an interrupt function.
3872         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3873         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3874         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3875         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3876         (m68k_interrupt_function_p): Globalize.
3877         (m68k_compute_frame_layout): Remove reverse mask code.
3878         (m68k_emit_movem, m68k_set_frame_related): New functions.
3879         (m68k_output_function_prologue): Delete in favor of...
3880         (m68k_expand_prologue): ...this new function.
3881         (m68k_output_function_epilogue): Delete in favor of...
3882         (m68k_expand_epilogue): ...this new function.
3883         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3884         functions.
3885         (print_operand): Handle %?.
3886         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3887         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3888         (prologue, epilogue): New patterns.
3889         (return): Turn into a define_expand.
3890         (*return): New pattern, derived from old "return" pattern.  Use rte
3891         rather than rts for interrupt functions.  Only use rtd if the pop
3892         count is nonzero.
3893         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3894         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3895         (link, *link, unlink, *unlink, load_got): Likewise.
3896
3897 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3898
3899         PR target/23482
3900         PR target/17114
3901         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3902         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3903         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3904         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3905         and m68k_matches_u_p.
3906         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3907         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3908         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3909         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3910         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3911         (REG_STRICT_P): New macro.
3912         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3913         PCREL_GENERAL_OPERAND_OK.
3914         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3915         m68k_legitimate_base_reg_p.
3916         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3917         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3918         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3919         * config/m68k/m68k.c (m68k_address): New structure.
3920         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3921         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3922         (m68k_jump_table_ref_p, m68k_decompose_address)
3923         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3924         (m68k_matches_u_p): New functions.
3925         (print_operand_address): Rewrite to use m68k_decompose_index.
3926
3927 2007-03-05  David Taylor  <dtaylor@emc.com>
3928
3929         * gcc.c: Correct copyright date in --version output.
3930
3931 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3932
3933         * pa.md: In unamed move patterns, disparge copies between general
3934         and floating point registers using '?' modifier.  Don't include 'f'
3935         constraint for register preferences in DImode, SImode, HImode and
3936         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3937         Remove constraints for copies between general and floating registers
3938         in soft-float DFmode pattern.
3939         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3940         floating register.
3941         (movsf): Likewise.
3942
3943 2007-03-05  Mike Stump  <mrs@apple.com>
3944
3945         * c-common.c (targetcm): Add.
3946         * c-opts.c (c_common_handle_option): Handle language specific
3947         target options.
3948         * opts.c (handle_option): Verify language for target options, if
3949         any are given.
3950         * opth-gen.awk: Add CL_LANG_ALL.
3951         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3952         (TARGETCM_INITIALIZER): Add.
3953         * target.h (struct gcc_targetcm): Add.
3954         (targetcm): Add.
3955         * targhooks.c (default_handle_c_option): Add.
3956         * targhooks.h (default_handle_c_option): Add.
3957         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3958
3959         * config/darwin.opt (iframework): Add.
3960         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3961         * config/darwin-c.c (handle_c_option): Add.
3962         (TARGET_HANDLE_C_OPTION): Add.
3963         (targetcm): Add.
3964         * doc/invoke.texi (Darwin Options): Add -iframework.
3965
3966 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3967
3968         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3969         conversion.
3970
3971 2007-03-05  Ian Lance Taylor  <iant@google.com>
3972
3973         * c.opt (fgnu89-inline): New option.
3974         * c-opts.c (c_common_post_options): Set default value for
3975         flag_gnu89_inline.
3976         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3977         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3978         inline functions.
3979         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3980         (grokdeclarator, start_function): Likewise.
3981         * c-cppbuiltin.c (c_cpp_builtins): Define either
3982         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3983         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3984         (C Dialect Options): Document -fgnu89-inline.
3985         * doc/extend.texi (Function Attributes): Explain what the
3986         gnu_inline attribute does.
3987         * doc/cpp.texi (Common Predefined Macros): Document
3988         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3989
3990 2007-03-05  Ian Lance Taylor  <iant@google.com>
3991
3992         PR tree-optimization/31034
3993         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3994         half-range if the other side is an overflow infinity.
3995
3996 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3997
3998         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3999         (bfin*-linux-uclibc*): New configuration.
4000         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4001         defining.
4002         * config/bfin/linux.h: New file.
4003         * config/bfin/libgcc-bfin.ver: New file.
4004         * config/bfin/t-bfin-uclinux: New file.
4005         * config/bfin/t-bfin-linux: New file.
4006         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4007         (TARGET_OS_CPP_BUILTINS): New macro.
4008
4009 2007-03-05  Richard Guenther  <rguenther@suse.de>
4010
4011         * fold-const.c (fold_binary): Remove duplicate folding
4012         of comparison of non-null ADDR_EXPR against null.
4013
4014 2007-03-05  Richard Guenther  <rguenther@suse.de>
4015             Dorit Nuzman  <dorit@il.ibm.com>
4016
4017         PR tree-optimization/26420
4018         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4019         are no loops in the function.  Only print the number of
4020         vectorized loops if it is greater than zero or we are supposed
4021         to print information about unvectorized loops.
4022
4023 2007-03-05  Revital Eres  <eres@il.ibm.com>
4024
4025         * gcc.dg/var-expand1.c: New test.
4026         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4027         when an accumulator is expanded.
4028
4029 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4030
4031         PR other/30465
4032         * c-common.c (convert_and_check): Don't give warnings for
4033         conversion if 'expr' already overflowed.
4034
4035 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4036
4037         PR middle-end/30744
4038         * fold-const.c (fold_comparison): Enforce type consistency when
4039         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4040
4041 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4042
4043         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4044         containing a cast to the base of TARGET_MEM_REF.
4045
4046 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4047
4048         * tree.c (tree_contains_struct_check_failed): Remove spurious
4049         whitespace from error message.
4050
4051 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4052
4053         PR target/30406
4054         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4055         instead of precision.
4056
4057 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4058             Nathan Sidwell  <nathan@codesourcery.com>
4059
4060         * emit-rtl.c (find_auto_inc): New.
4061         (try_split): recreate REG_INC notes,
4062         Use regular for loops rather than whiles.
4063
4064 2007-03-03  Andreas Schwab  <schwab@suse.de>
4065
4066         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4067         * configure: Regenerate.
4068
4069 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4070
4071         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4072         flag_rounding_math, not flag_unsafe_math_optimizations.
4073
4074         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4075         fold_build2.
4076         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4077         alpha_fold_vector_minmax): Likewise.
4078         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4079         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4080
4081 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4082
4083         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4084         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4085         if the lhs has side-effects.
4086         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4087
4088 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4089
4090         * config/i386/i386.h (TUNEMASK): Remove define.
4091         (ARCHMASK): Remove define.
4092         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4093          Use ix86_arch_mask variable instead of ARCHMASK.
4094         * config/i386/i386.c (override_options): Ditto.
4095         (standard_80387_constant_p): Ditto.
4096
4097 2007-03-02  Ian Lance Taylor  <iant@google.com>
4098
4099         Used signed infinities in VRP.
4100         * tree-vrp.c (uses_overflow_infinity): New static function.
4101         (supports_overflow_infinity): New static function.
4102         (make_overflow_infinity): New static function.
4103         (negative_overflow_infinity): New static function.
4104         (positive_overflow_infinity): New static function.
4105         (is_negative_overflow_infinity): New static function.
4106         (is_positive_overflow_infinity): New static function.
4107         (is_overflow_infinity): New static function.
4108         (overflow_infinity_range_p): New static function.
4109         (compare_values_warnv): New function split out of compare_values.
4110         (compare_value): Call it.
4111         (set_value_range_to_nonnegative): Add overflow_infinity
4112         parameter.  Change caller.
4113         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4114         Change callers.
4115         (vrp_expr_computes_nonzero): Likewise.
4116         (compare_ranges, compare_range_with_value): Likewise.
4117         (compare_name_with_value, compare_names): Likewise.
4118         (vrp_evaluate_conditional): Likewise.
4119         (set_value_range): Handle infinity
4120         (vrp_operand_equal_p, operand_less_p): Likewise.
4121         (extract_range_from_assert): Likewise.
4122         (vrp_int_const_binop): Likewise.
4123         (extract_range_from_binary_expr): Likewise.
4124         (extract_range_from_unary_expr): Likewise.
4125         (extract_range_from_comparison): Likewise.
4126         (extract_range_from_expr): Likewise.
4127         (dump_value_range): Likewise.
4128         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4129         (test_for_singularity): Likewise.
4130         (vrp_int_const_binop): Remove inline qualifier.
4131         (adjust_range_with_scev): Add comment.
4132         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4133
4134 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4135
4136         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4137         (get_constraint_for): Likewise.
4138         (do_structure_copy): Likewise.
4139         (find_func_aliases): Fix references to MODIFY_EXPR.
4140         (intra_create_variable_infos): Tidy.
4141         * tree-ssa-operands.c (add_virtual_operand): Add argument
4142         IS_CALL_SITE.
4143         When adding members of alias sets, if IS_CALL_SITE is true and
4144         the symbol is not call-clobbered, skip it.
4145         Adjust all callers.
4146
4147 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4148
4149         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4150         entry by means of emit_insn_at_entry.
4151
4152 2007-03-02  Richard Henderson  <rth@redhat.com>
4153
4154         * expr.h (promoted_input_arg): Remove decl.
4155         * function.c (promoted_input_arg): Merge into ...
4156         * combine.c (setup_incoming_promotions): ... only caller.
4157         Rearrange to avoid double loop.
4158
4159 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4160             Peter Bergner  <bergner@vnet.ibm.com>
4161             Janis Johnson  <janis187@us.ibm.com>
4162
4163         * config/rs6000/dfp.md: New file.
4164         * config/rs6000/rs6000.md: Include dfp.md.
4165         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4166         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4167         and TDmode decimal float modes in FP registers.
4168         (num_insns_constant): Likewise.
4169         (rs6000_legitimate_offset_address_p): Likewise.
4170         (rs6000_legitimize_address): Likewise.
4171         (rs6000_legitimize_reload_address): Likewise.
4172         (rs6000_legitimate_address): Likewise.
4173         (rs6000_emit_move): Likewise.
4174         (function_arg_boundary): Likewise.
4175         (function_arg_advance): Likewise.
4176         (rs6000_darwin64_record_arg_recurse): Likewise.
4177         (function_arg): Likewise.
4178         (rs6000_gimplify_va_arg): Likewise.
4179         (rs6000_split_multireg_move): Likewise.
4180         (rs6000_output_function_epilogue): Likewise.
4181         (rs6000_output_function_epilogue): Likewise.
4182         (rs6000_register_move_cost): Likewise.
4183         (rs6000_function_value): Likewise.
4184         (rs6000_libcall_value): Likewise.
4185
4186 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4187
4188         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4189
4190 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4191
4192         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4193         Use $MULTIDIR to choose between the kernel and RTP headers,
4194         and use $WIND_BASE and $WIND_USR to locate them.
4195
4196 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4197
4198         * config/i386/i386.c (override_options): Put initialization of
4199         ix86_tune_mask and ix86_arch_mask to the correct place.
4200
4201 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4202             Michael Meissner  <michael.meissner@amd.com>
4203
4204         PR target/31019
4205         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4206         (ARCHMASK): Define.
4207         (TARGET_CMOVE): Use ARCHMASK.
4208         (TARGET_CMPXCHG): Ditto.
4209         (TARGET_CMPXCHG8B): Ditto.
4210         (TARGET_XADD): Ditto.
4211         (TARGET_BSWAP): Ditto.
4212         * config/i386/i386.c (ix86_tune_mask): New global variable.
4213         (ix86_arch_mask): Ditto.
4214         (override_options): Initialize ix86_tune_mask and
4215         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4216         target_flags.
4217
4218 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4219
4220         PR 30992
4221         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4222
4223 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4224
4225         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4226         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4227         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4228         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4229         hook.
4230         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4231         rs6000_init_dwarf_reg_sizes_extra): New.
4232         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4233         SPE register high parts.
4234
4235 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4236
4237         * Makefile.in: Add install-pdf target as
4238         copied from automake v1.10 rules.
4239         * configure.ac: Add install-pdf to target list.
4240         * configure: Regenerate.
4241
4242 2007-03-01  Paul Brook  <paul@codesourcery.com>
4243
4244         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4245         modes to LDRD for DImode.
4246         (output_move_double): Fixup out of range ldrd/strd.
4247         (vfp_secondary_reload_class): Rename...
4248         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4249         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4250         coproc_secondary_reload_class for CLASS_IWMMXT.
4251         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4252         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4253
4254 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4255
4256         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4257         factor by the estimated number of iterations.
4258         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4259         prefetch latency.
4260
4261         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4262         decode_caches_intel, detect_caches_intel): New functions.
4263         (host_detect_local_cpu): Use detect_caches_amd and
4264         detect_caches_intel.
4265
4266 2007-03-01  Richard Henderson  <rth@redhat.com>
4267
4268         * expr.c (emit_move_complex_push): Export.
4269         (emit_move_complex_parts): Split out from ...
4270         (emit_move_complex): ... here.
4271         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4272         * config/i386/i386.md (movcdi): New.
4273
4274 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4275
4276         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4277         size of mode1 to check for tieable modes in MMX case.
4278
4279 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4280
4281         * Makefile.in (rtlanal.o): Depend on tree.h.
4282         * rtl.h (offset_within_section_p, split_const): Declare.
4283         * rtlanal.c: Include tree.h.
4284         (offset_within_block_p): New function, taken from
4285         mips_offset_within_object_p.
4286         (split_const): New function, taken from mips_split_const.
4287         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4288         Declare.
4289         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4290         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4291         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4292         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4293         (m68k_illegitimate_symbolic_constant_p): New function.
4294         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4295         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4296         symbolic constant that might be outside the symbol's section,
4297         move the symbol first and then add the offset.
4298         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4299         Override.
4300         * config/mips/mips.c (mips_split_const): Delete.
4301         (mips_offset_within_object_p): Delete.
4302         (mips_symbolic_constant_p): Use offset_within_section_p and
4303         split_const instead of mips_offset_within_object_p and
4304         mips_split_const.
4305         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4306         (mips_legitimize_const_move, print_operand_reloc)
4307         (mips_dangerous_for_la25_p): Use split_const instead of
4308         mips_split_const.
4309
4310 2007-02-28  Eric Christopher  <echristo@apple.com>
4311
4312         * Makefile.in (install-include-dir): Don't rm -rf include.
4313
4314 2007-02-28  Richard Guenther  <rguenther@suse.de>
4315
4316         PR middle-end/30364
4317         * fold-const.c (fold_binary): Do not associate expressions
4318         with more than one variable for integer types that do not wrap.
4319
4320 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4321
4322         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4323         Delete, and replace with...
4324         (fold_builtin_call_array): This.  Update callers to use it.
4325         * fold-const.c (fold_build_call_list): Delete, and replace with...
4326         (fold_build_call_array): This.
4327         (fold_build_call_list_initializer): Delete, and replace with...
4328         (fold_build_call_array_initializer): This.
4329         * tree.h: Update declarations to reflect above changes.
4330
4331         * c-typeck.c (build_function_call): Store converted arguments
4332         in a stack-allocated array instead of building a list.
4333         (convert_arguments): Store arguments in the array passed in as an
4334         argument, and return the actual number of arguments.
4335         * c-format.c: (check_function_format): Pass arguments in an
4336         array instead of a list.
4337         * c-common.c (check_function_nonnull): Likewise.
4338         (check_function_sentinel): Likewise.
4339         (check_function_arguments): Likewise.
4340         * c-common.h: Update declarations to reflect above changes.
4341
4342 2007-02-28  Jan Hubicka  <jh@suse.cz>
4343
4344         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4345         PRED_NEGATIVE_RETURN): Update outcomes.
4346
4347 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4348
4349         * calls.c (emit_library_call_value_1): Handle partial registers
4350         correctly when building up CALL_INSN_FUNCTION_USAGE.
4351
4352 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4353
4354         * pa/predicates.md (move_src_operand): Allow zero for mode.
4355         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4356         move pattern.
4357
4358 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4359
4360         PR target/30970
4361         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4362         *movv2df_internal): Enable pattern only for valid operand
4363         combinations.
4364         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4365         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4366
4367 2007-02-27  Mike Stump  <mrs@apple.com>
4368
4369         * config/darwin-crt3.c: Avoid compilation when compiling for a
4370         kext multilib.
4371
4372 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4373
4374         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4375         FIXED_INCLUDE_DIR.
4376         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4377         for fixed headers and limits.h.
4378         (install-include-dir, install-headers-tar, install-headers-cpio,
4379         install-headers-cp, real-install-headers-tar,
4380         real-install-headers-cpio, real-install-headers-cp): Handle
4381         include-fixed as well as include.
4382         (install-mkheaders): Don't install files that go only in include
4383         not include-fixed.
4384         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4385         from GCC_INCLUDE_DIR.
4386         * gcc.c (process_command): Remove special -BstageN/ handling.
4387         (do_spec_1): Add include-fixed directories.
4388
4389 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4390
4391         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4392         _smulsi3_highpart.
4393         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4394         New functions.
4395         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4396         patterns.
4397
4398 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4399
4400         * c-common.c (get_priority): Add check for
4401         SUPPORTS_INIT_PRIORITY.
4402
4403 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4404
4405         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4406
4407         * config/bfin/bfin.c: Include "cfglayout.h".
4408         (MAX_LSETUP_DISTANCE): New macro.
4409         (struct loop_info): New members incoming, incoming_src and
4410         incoming_dest.  Delete member predecessor.
4411         (length_for_loop): New function.
4412         (bfin_optimize_loop): Handle more different loop structures.
4413         (bfin_discover_loop): Rework detection of predecessor blocks by
4414         examining incoming edges.
4415         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4416         bfin_reorg_loops.
4417         (bfin_reorder_loops): New function.
4418         (bfin_reorg_loops): Use these three new functions.
4419
4420         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4421         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4422         (CONSTRAINT_LEN): Add entry for 'q'.
4423         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4424         Add 'q' constraints.
4425         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4426         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4427
4428         * config/bfin/bfin.md (add_with_carry): New pattern.
4429         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4430         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4431         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4432         support unsigned multiplies too.  Removed incorrect commutativity from
4433         operand 1 constraint where appropriate.
4434         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4435         patterns.
4436         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4437         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4438         New patterns.
4439         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4440         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4441         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4442         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4443         usmulhisi_hh_huh): New patterns.
4444
4445         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4446         lshifthi3): Fix output template to use half reg for operand 2.
4447
4448         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4449         instead of R2.
4450
4451         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4452
4453 2007-02-27  Andreas Schwab  <schwab@suse.de>
4454
4455         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4456
4457 2007-02-27  Jan Hubicka  <jh@suse.cz>
4458
4459         * predict.c (last_basic_block_p): Remove.
4460         (tree_estimate_probability): Update return heuristic for commonized
4461         return blocks.
4462
4463 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4464
4465         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4466
4467 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4468
4469         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4470         * doc/cpp.texi: Standardize title page.
4471         * doc/cppinternals.texi: Likewise.
4472         * doc/gcc.texi: Standardize title page, remove version number
4473         from copyright page.
4474         * doc/gccint.texi: Likewise.
4475         * doc/install.texi: Standardize title page, add table of
4476         contents.
4477
4478 2007-02-26  Jan Hubicka  <jh@suse.cz>
4479
4480         * predict.def: Set outcomes according to more recent results.
4481         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4482         Remove dead predictors.
4483         * predict.c (return_prediction): Fix pasto.
4484
4485 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4486
4487         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4488         change; avoid a memory leak when returning early.
4489
4490 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4491
4492         * c-decl.c (static_ctors): Move to c-common.c.
4493         (static_dtors): Likewise.
4494         (finish_function): Use c_record_cdtor_fn.
4495         (build_cdtor): Move to c-common.c.
4496         (c_write_global_declarations): Use c_build_cdtor_fns.
4497         * c-common.h (static_ctors): Declare.
4498         (static_dtors): Likewise.
4499         (c_record_cdtor_fn): Likewise.
4500         (c_build_cdtor_fns): Likewise.
4501         * c-common.c (static_ctors): New variable.
4502         (static_dtors): Likewise.
4503         (c_record_cdtor_fn): New function.
4504         (build_cdtor): Move from c-decl.c
4505         (c_build_cdtor_fns): New function.
4506
4507         * output.h (assemble_addr_to_section): Declare.
4508         (get_cdtor_priority_section): Likewise.
4509         * varasm.c (assemble_addr_to_section): New function.
4510         (get_cdtor_priority_section): Likewise.
4511         (default_named_section_asm_out_destructor): Use them.
4512         (destor_dtor_section_asm_out_destructor): Likewise.
4513         (default_named_section_asm_out_constructor): Likewise.
4514         (default_ctor_section_asm_out_constructor): Likewise.
4515         * config.gcc (*-*-vxworks*): Include vxworks.o.
4516         * config/t-vxworks (vxworks.o): New target.
4517         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4518         (TARGET_ASM_CONSTRUCTOR): Define.
4519         (TARGET_ASM_DESTRUCTOR): Likewise.
4520         (vxworks_asm_out_constructor): Declare.
4521         (vxworks_asm_out_destructor): Likewise.
4522
4523         * c-common.c (get_priority): Check that we have not just an
4524         INTEGER_CST, but an integer constant with integeral type.
4525
4526 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4527
4528         PR tree-optimization/30938
4529         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4530         use &dt[nargs-1] instead of &dt[nargs] in the call to
4531         vect_is_simple_use().
4532
4533 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4534
4535         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4536         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4537         Do not attempt to handle MEM inside auto-inc expressions.
4538         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4539         of a register modified by an auto-inc expression.  However, do handle
4540         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4541         (elimination_effects): Prohibit elimination of a register modified
4542         by an auto-inc expression.  Disable register elimination rules whose
4543         target register is modified by an auto-inc expression with variable
4544         increment.
4545
4546 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4547
4548         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4549         off-by-one error.
4550         (array_at_struct_end_p): New function.
4551         (idx_infer_loop_bounds): Use it.
4552         (estimate_numbers_of_iterations_loop): Export.
4553         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4554         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4555         (tree_estimate_probability): Call record_loop_exits.
4556         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4557         (estimated_loop_iterations, estimated_loop_iterations_int,
4558         estimated_loop_iterations_tree): New functions.
4559         (analyze_siv_subscript_cst_affine,
4560         compute_overlap_steps_for_affine_1_2,
4561         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4562         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4563         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4564         (PRED_LOOP_ITERATIONS_GUESSED): New.
4565         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4566         * cfgloop.h (estimate_numbers_of_iterations_loop,
4567         estimated_loop_iterations_int): Declare.
4568
4569 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4570
4571         * doc/extend.texi: Document optional priority argument to
4572         constructors and destructors.
4573         * tree.c (init_priority_for_decl): Adjust GTY markers.
4574         (init_ttree): Use priority-info hash functions for
4575         init_priority_for_decl.
4576         (tree_map_eq): Rename to ...
4577         (tree_map_base_eq): ... this.
4578         (tree_map_marked_p): Rename to ...
4579         (tree_map_base_marked_p): ... this.
4580         (tree_map_base_hash): New function.
4581         (decl_init_priority_lookup): Rework.
4582         (decl_fini_priority_lookup): New function.
4583         (decl_priority_info): New function.
4584         (decl_init_priority_insert): Use it.
4585         (decl_fini_priority_insert): Likewise.
4586         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4587         hierarchy.
4588         (decl_restrict_base_insert): Likewise.
4589         (decl_debug_expr_insert): Likewise.
4590         (decl_value_expr_lookup): Likewise.
4591         (decl_value_expr_insert): Likewise.
4592         * tree.h (priority_type): New type.
4593         (decl_init_priority_lookup): Use priority_type.
4594         (decl_fini_priority_lookup): New function.
4595         (decl_init_priority_insert): Use priority_type.
4596         (decl_fini_priority_insert): New function.
4597         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4598         (DECL_INIT_PRIORITY): Likewise.
4599         (SET_DECL_INIT_PRIORITY): Add comment.
4600         (DECL_FINI_PRIORITY): New macro.
4601         (SET_DECL_FINI_PRIORITY): Likewise.
4602         (DEFAULT_INIT_PRIORITY): Document.
4603         (MAX_INIT_PRIORITY): Likewise.
4604         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4605         (tree_map_base): New type.
4606         (tree_map_base_eq): New function.
4607         (tree_map_base_hash): Likewise.
4608         (tree_map_base_marked_p): Likewise.
4609         (tree_map): Inherit from tree_map_base.
4610         (tree_map_eq): Make it a macro.
4611         (tree_map_marked_p): Likewise.
4612         (tree_int_map): Inherit from tree_map_base.
4613         (tree_int_map_eq): Make it a macro.
4614         (tree_int_map_hash): Likewise.
4615         (tree_int_map_marked_p): Likewise.
4616         (tree_priority_map): New type.
4617         (tree_priority_map_eq): New macro.
4618         (tree_priority_map_hash): Likewise.
4619         (tree_priority_map_marked_p): Likewise.
4620         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4621         hierarchy.
4622         (emutls_common_1): Likewise.
4623         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4624         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4625         of tree_map hierarchy.
4626         * tree-cfg.c (move_stmt_r): Likewise.
4627         (new_label_mapper): Likewise.
4628         * c-tree.h (c_expand_body): Move to ...
4629         * c-common.h (c_expand_body): ... here.
4630         * c-decl.c (c_expand_body): Move to ...
4631         * c-common.c (c_expand_body): ... here.
4632         (c_common_attribute_table): Allow 1 argument for the constructor
4633         and destructor attributes.
4634         (get_priority): New function.
4635         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4636         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4637
4638 2007-02-24  Jan Hubicka  <jh@suse.cz>
4639
4640         PR middle-end/30509
4641         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4642
4643 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4644             Jan Hubicka  <jh@suse.cz>
4645
4646         PR target/30778
4647         * i386.c (counter_mode): New function.
4648         (expand_set_or_movmem_via_loop): Use it.
4649         (expand_movmem_epilogue): Likewise; fix pasto.
4650         (ix86_expand_movmem): Do emit guard even for constant counts.
4651         (ix86_expand_setmem): Likewise.
4652
4653 2007-02-25  Nick Clifton  <nickc@redhat.com>
4654
4655         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4656         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4657
4658 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4659
4660         PR target/30770
4661         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4662         count argument with 0x10, not with 0x16.
4663         (expand_setmem_epilogue): Ditto.
4664
4665 2007-02-24  Mike Stump  <mrs@apple.com>
4666
4667         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4668         symbols.
4669
4670 2007-02-24  Richard Guenther  <rguenther@suse.de>
4671
4672         PR middle-end/30951
4673         * fold-const.c (fold_binary): Fold x +- CST op x for
4674         EQ_EXPR and NE_EXPR.
4675
4676 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4677
4678         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4679
4680 2007-02-24  Jan Hubicka  <jh@suse.cz>
4681
4682         * cgraphunit.c (decide_is_function_needed): Honor
4683         -fkeep-inline-functions.
4684
4685 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4686
4687         * builtins.c (fold_builtin_modf): New.
4688         (fold_builtin_2): Use it.
4689
4690 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4691
4692         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4693         (determine_max_iter): Take additional LOOP arg; all callers changed.
4694         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4695         one using simplifications.
4696         (simplify_using_initial_values): Return if the expression becomes
4697         invalid due to altered regs.
4698
4699 2007-02-23  DJ Delorie  <dj@redhat.com>
4700
4701         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4702
4703 2007-02-23  Mike Stump  <mrs@apple.com>
4704
4705         * tlink.c (scan_linker_output): Parse linker messages from
4706         darwin9's linker better.
4707
4708 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4709
4710         PR debug/29614
4711         * varpool.c (varpool_assemble_pending_decls):  Set
4712         varpool_last_needed_node to null.
4713
4714 2007-02-23  DJ Delorie  <dj@redhat.com>
4715
4716         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4717         alignment bigger than the object file can handle.
4718
4719 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4720
4721         PR target/30825
4722         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4723         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4724         (*movsf_1): Penalize MMX moves.
4725
4726 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4727
4728         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4729         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4730
4731         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4732
4733 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4734
4735         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4736         (fold_builtin_1): Use them.
4737         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4738         BUILT_IN_SIGNIFICAND.
4739
4740 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4741
4742         * config/i386/i386.c (bdesc_1arg): Initialize
4743         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4744         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4745         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4746         and IX86_BUILTIN_MOVSLDUP.
4747
4748 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4749
4750         PR rtl-optimization/30841
4751         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4752
4753 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4754
4755         * builtins.c (fold_builtin_frexp): New.
4756         (fold_builtin_2): Use it.
4757
4758 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4759
4760         * doc/invoke.texi (Spec Files): Document getenv spec function.
4761
4762         * gcc.c (getenv_spec_function): New function.
4763         (static_spec_functions): Add it.
4764         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4765         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4766         header files.
4767
4768 2007-02-22  Michael Matz  <matz@suse.de
4769
4770         PR c++/29433
4771         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4772         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4773
4774 2007-02-22  Ian Lance Taylor  <iant@google.com>
4775
4776         PR debug/30898
4777         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4778         (mem_loc_descriptor): Call it.
4779
4780 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4781             Ira Rosen  <irar@il.ibm.com>
4782
4783         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4784
4785 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4786
4787         PR tree-optimization/30843
4788         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4789         stores only after all the group is vectorized.
4790
4791 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4792
4793         PR tree-optimization/30858
4794         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4795         in the reduction cycle have a single use in the loop.
4796         * tree-vectorizer.h (relevant): Add documentation.
4797
4798 2007-02-20  Mike Stump  <mrs@apple.com>
4799
4800         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4801         * configure: Regenerate.
4802
4803 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4804
4805         Change the defaults of some parameters and options.
4806         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4807         * config/spu/spu.c (spu_optimization_options): Add.
4808         (spu_override_options): Change params in spu_optimization_options.
4809         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4810
4811         Register 127 is only 16 byte aligned when used as a frame pointer.
4812         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4813         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4814         HARD_FRAME_POINTER_REGNUM.
4815         (spu_legitimate_address):  Use regno_aligned_for_reload.
4816         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4817         aligned when frame_pointer_needed is true.
4818         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4819         to 8 bits.
4820         * config/spu/spu.h (INIT_EXPANDERS): Define.
4821
4822         Make sure shift and rotate instructions have valid immediate operands.
4823         * config/spu/predicates.md (spu_shift_operand): Remove.
4824         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4825         * config/spu/constraints.md (W, O): Extend range.
4826         * config/spu/spu.md (umask, nmask): Define.
4827         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4828         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4829         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4830         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4831         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4832         (lshr<mode>3_reg):  Fix rtl description.
4833
4834         Make sure mulhisi immediate operands are valid.
4835         * config/spu/predicates.md (imm_K_operand): Add.
4836         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4837
4838         Generate constants using fsmbi and andi.
4839         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4840         (print_operand, spu_split_immediate, classify_immediate,
4841         fsmbi_const_p): Handle IC_FSMBI2.
4842
4843         Correctly handle a CONST_VECTOR containing symbols.
4844         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4845         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4846         (immediate_load_p): Allow symbols that use 2 instructions to create.
4847         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4848         with symbols when flag_pic is set.
4849         (const_vector_immediate_p): New.
4850         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4851         accept a CONST_VECTOR with symbols.
4852         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4853         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4854         correctly.
4855         * config/spu/spu.md (high, low): Delete.
4856         (low_<mode>): Define.
4857
4858         Remove INTRmode and INTR_REGNUM, which didn't work.
4859         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4860         of INTR_REGNUM.
4861         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4862         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4863         peephole2 pattern): Don't use INTR or 131.
4864         (movintrcc): Delete.
4865         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4866         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4867         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4868         (UNSPEC_SET_INTR): Add.
4869         * config/spu/spu-modes.def (INTR): Remove.
4870
4871         More accurate warnings about run-time relocations.
4872         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4873
4874         Correctly warn about immediate arguments to specific intrinsics.
4875         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4876         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4877         the instruction predicate.
4878
4879         Fix tree check errors with latest update.
4880         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4881         CALL_EXPR_ARG.
4882         (spu_expand_builtin): Use CALL_EXPR_FN.
4883
4884         Add missing specific intrinsics.
4885         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4886         si_bislede.
4887         * config/spu/spu_internals.h: Ditto.
4888
4889         Fix incorrect operand modifiers.
4890         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4891         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4892
4893         Optimize one case of zero_extend of a vec_select.
4894         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4895
4896         Accept any immediate for hbr.
4897         * config/spu/spu.md (hbr):  Change s constraints to i.
4898
4899 2007-02-21  Paul Brook  <paul@codesourcery.com>
4900
4901         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4902         condexec_count when skipping USE and CLOBBER.
4903
4904 2007-02-21  Nick Clifton  <nickc@redhat.com>
4905
4906         * common.opt (Warray-bounds): Add Warning attribute.
4907         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4908         Likewise.
4909         (fsized-zeroes): Add Optimization attribute.
4910         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4911         * c.opt (Wc++0x-compat): Add Warning attribute.
4912
4913 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4914
4915         PR middle-end/30761
4916         * reload1.c (eliminate_regs_in_insn): In the single_set special
4917         case, attempt to re-recognize the insn before falling back to
4918         having reload fix it up.
4919
4920 2007-02-20  Eric Christopher  <echristo@gmail.com>
4921
4922         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4923         Rewrite accordingly.
4924         (frv_read_iacc_argument): Ditto.
4925         (frv_expand_set_builtin): Take a call instead of arglist, update for
4926         above changes.
4927         (frv_expand_unop_builtin): Ditto.
4928         (frv_expand_binop_builtin): Ditto.
4929         (frv_expand_cut_builtin): Ditto.
4930         (frv_expand_binopimm_builtin): Ditto.
4931         (frv_expand_voidbinop_builtin): Ditto.
4932         (frv_expand_int_void2arg): Ditto.
4933         (frv_expand_prefetches): Ditto.
4934         (frv_expand_voidtriop_builtin): Ditto.
4935         (frv_expand_voidaccop_builtin): Ditto.
4936         (frv_expand_load_builtin): Ditto.
4937         (frv_expand_store_builtin): Ditto.
4938         (frv_expand_mdpackh_builtin): Ditto.
4939         (frv_expand_mclracc_builtin): Ditto.
4940         (frv_expand_mrdacc_builtin): Ditto.
4941         (frv_expand_mwtacc_builtin): Ditto.
4942         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4943         calls for above.
4944
4945 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4946
4947         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4948         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4949         cmpb instruction.
4950         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4951         point instructions.
4952         * configure: Regenerate.
4953         * config.in: Regenerate.
4954         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4955         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4956         masks to power6 and power6x and to POWERPC_MASKS.
4957         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4958         _ARCH_PWR6.
4959         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4960         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4961         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4962         Access PROTOTYPE as variable, not mask.
4963
4964 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4965
4966         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4967         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4968         * combine.c (adjust_for_new_dest): Use it.
4969         * postreload.c (reload_combine): Likewise.
4970
4971 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4972
4973         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4974         notes on an insn with multiple sets, even if single_set returns
4975         non-NULL for that insn.
4976
4977 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4978
4979         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4980         scalbn and scalbln.
4981
4982 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4983
4984         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4985         if user didn't pass it.
4986         * config/i386/darwin.h (CC1_SPEC): Likewise.
4987         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4988         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4989         -mmacosx-version-min.
4990
4991 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4992             Uros Bizjak  <ubizjak@gmail.com>
4993
4994         * optabs.h (enum optab_index): Add new OTI_scalb.
4995         (scalb_optab): Define corresponding macro.
4996         * optabs.c (init_optabs): Initialize scalb_optab.
4997         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4998         patterns.
4999         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5000         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5001         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5002         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5003         flag_unsafe_math_optimizations is set.
5004
5005         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5006         to implement scalbf, scalb and scalbl built-ins as inline x87
5007         intrinsics.
5008
5009 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5010             DJ Delorie <dj@redhat.com>
5011
5012         PR other/30824
5013         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5014         (diagnostic_report_diagnostic): ... here, and turn them into real
5015         errors. If warnings are inhibited, no need to do anything.
5016
5017 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5018
5019         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5020         better code generation.
5021
5022 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5023
5024         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5025
5026 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5027
5028         * config/alpha/alpha.c, config/alpha/alpha.md,
5029         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5030         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5031         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5032         config/arm/lib1funcs.asm: Follow spelling conventions.
5033
5034         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5035         config/fr30/fr30.md, config/i386/i386.h,
5036         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5037         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5038         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5039         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5040         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5041         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5042         config/sparc/sparc.c, config/sparc/sparc.h,
5043         config/sparc/sparc.md, config/spu/constraints.md,
5044         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5045         conventions.
5046
5047 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5048
5049         PR target/29943
5050         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5051         alias attribute.
5052
5053 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5054
5055         * doc/invoke.texi (-ftree-lrs): Remove.
5056
5057 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5058
5059         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5060         NULL.
5061
5062 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5063
5064         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5065         new CALL_EXPR_FN macro for retrieving the function
5066         declaration of the input expression.
5067
5068 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5069
5070         * c.opt (Waddress): New.
5071         * common.opt (Walways-true): Delete.
5072         (Wstring-literal-comparison): Delete.
5073         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5074         -Wstring-literal-comparison. Add -Waddress.
5075         (Waddress): New.
5076         (Walways-true): Delete.
5077         (Wstring-literal-comparison): Delete.
5078         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5079         consistently instead of -Walways-true in example.
5080         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5081         * c-typeck.c (parser_build_binary_op): Replace
5082         -Wstring-literal-comparison and -Walways-true with -Waddress.
5083         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5084         with -Waddress.
5085
5086 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5087
5088         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5089         without DECL_STRUCT_FUNCTION initialized.
5090
5091 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5092
5093         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5094         due to calls to functions taking pointers as parameters.
5095
5096 2007-02-19  Richard Henderson  <rth@redhat.com>
5097
5098         PR debug/29558
5099         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5100         in memory.
5101
5102 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5103
5104         * config/s390/s390.c (s390_call_saved_register_used,
5105         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5106         accessed to the new scheme.
5107
5108 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5109
5110         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5111         (cris_print_index, cris_print_operand, cris_print_operand_address)
5112         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5113         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5114         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5115         GET_CODE () == xxx.
5116         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5117         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5118         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5119         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5120         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5121         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5122         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5123         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5124         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5125         (uminsi3, call, call_value): Ditto.
5126         (define_split: indir_to_reg_split, unnamed): Ditto.
5127
5128 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5129
5130         PR tree-optimization/30975
5131         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5132         wrong assert.
5133
5134 2007-02-18  Eric Christopher  <echristo@gmail.com>
5135
5136         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5137         Remove use of arglist.
5138         (mips_expand_builtin): Remove use of arglist, pass in expr.
5139         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5140         (mips_expand_builtin_movtf): Ditto.
5141         (mips_expand_builtin_compare): Ditto.
5142
5143 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5144
5145         * tree-sra.c (sra_build_assignment): Replace assertion
5146         checking with a comment explaining why it can't be done.
5147
5148 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5149
5150         PR middle-end/30833
5151         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5152         during CALL_EXPR representation conversion.
5153         * tree-ssa-propagate.c (set_rhs): Likewise.
5154
5155 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5156
5157         * tree-sra.c (sra_build_assignment): Disable assertion checking
5158         for now.
5159
5160 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5161
5162         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5163         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5164         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5165         Likewise.
5166         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5167         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5168         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5169         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5170         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5171         force_gimple_operand): Likewise.
5172         * ipa-cp.c (constant_val_insert): Likewise.
5173         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5174         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5175         perfect_nestify): Likewise.
5176         * langhooks.c (lhd_omp_assignment): Likewise.
5177         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5178         lower_copyprivate_clauses, lower_send_clauses,
5179         lower_send_shared_vars, expand_parallel_call,
5180         expand_omp_for_generic, expand_omp_for_static_nochunk,
5181         expand_omp_for_static_chunk, expand_omp_sections,
5182         lower_omp_single_copy, lower_omp_for_lastprivate,
5183         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5184         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5185         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5186         Likewise.
5187
5188 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5189
5190         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5191         config/sh/sh.md: Follow spelling conventions.
5192
5193         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5194         config/frv/predicates.md: Follow spelling conventions.
5195
5196         * config/m68k/linux-unwind.h: Fix a comment typo.
5197         * target.h: Follow spelling conventions.
5198
5199 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5200
5201         PR rtl-optimization/28173
5202         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5203         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5204         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5205         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5206         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5207
5208 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5209
5210         * builtins.c (fold_builtin_load_exponent): New.
5211         (fold_builtin_2): Use it.
5212
5213 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5214
5215         PR rtl-optimization/30773
5216         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5217         if we fail to attach a REG_EQUIV note.
5218
5219 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5220             Roger Sayle  <roger@eyesopen.com>
5221
5222         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5223
5224 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5225
5226         * calls.c (initialize_argument_information): Pass original EXP
5227         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5228         code to split complex arguments here, as part of initializing the
5229         ARGS array.
5230         (expand_call): Remove code that builds a list of arguments and
5231         inserts implicit arguments into it.  Instead, just count how many
5232         implicit arguments there will be so we can determine the size of
5233         the ARGS array, and let initialize_argument_information do the work.
5234         (split_complex_values): Delete unused function.
5235
5236 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5237
5238         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5239
5240 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5241
5242         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5243         for arg pointer based indexed addressing.
5244
5245 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5246
5247         * config/ia64/ia64.h, config/ia64/ia64.md,
5248         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5249         spelling conventions.
5250
5251 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5252
5253         * config/m68k/m68k.c (split_di): New.
5254         * config/m68k/m68k-protos.h: Declare split_di.
5255         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5256           Improve predicate handling and split constant shifts.
5257
5258 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5259
5260         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5261         parameter for register bitfield operations, general predicates
5262         cleanup
5263
5264 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5265
5266         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5267         * config/m68k/linux-unwind.h: New file.
5268
5269 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5270
5271         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5272         config/i386/athlon.md, config/ia64/ia64.md,
5273         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5274         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5275         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5276         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5277         tree-vect-transform.c: Fix comment typos.
5278
5279 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5280
5281         * sched-deps.c (find_insn_list): Remove.
5282         * sched-int.h: Remove the prototype for find_insn_list.
5283
5284 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5285
5286         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5287         to linker.
5288         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5289         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5290         darwin_rs6000_override_options.
5291         (C_COMMON_OVERRIDE_OPTIONS): Expect
5292         darwin_macosx_version_min to be non-NULL always.
5293         (TARGET_C99_FUNCTIONS): Likewise.
5294         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5295         (DARWIN_MINVERSION_SPEC): New.
5296         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5297         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5298         to cc1*.
5299         (DARWIN_MINVERSION_SPEC): New.
5300         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5301         value.
5302         * config/darwin-c.c (darwin_cpp_builtins): Expect
5303         darwin_macosx_version_min to be non-NULL always.
5304
5305         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5306
5307 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5308
5309         * config/i386/i386.h (x86_use_xchgb): New.
5310         (TARGET_USE_XCHGB): New macro.
5311         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5312         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5313         Split after reload into bswaphi for shifts of 8.
5314         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5315         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5316         or when optimizing for size.
5317
5318 2007-02-16  Richard Guenther  <rguenther@suse.de>
5319             Christian Bruel  <christian.bruel@st.com>
5320
5321         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5322         DECLs but prefer SSA_NAMEs over DECLs.
5323
5324 2007-02-16  Richard Guenther  <rguenther@suse.de>
5325
5326         * tree-flow-inline.h (single_imm_use_p): Remove.
5327         (zero_imm_uses_p): Likewise.
5328         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5329         instead of single_imm_use_p.
5330         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5331         zero_imm_uses_p.
5332
5333 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5334
5335         PR other/27843
5336         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5337         nested double- and backquotes.
5338
5339 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5340
5341         PR middle-end/30391
5342         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5343         should be unreachable.
5344         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5345         For the time being redirect GIMPLE_MODIFY_STMT to the new
5346         (renamed) build_gimple_modify_stmt_stat.
5347         (build2_gimple_stat): Rename to...
5348         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5349         Always build a GIMPLE_MODIFY_STMT node.
5350         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5351         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5352         declarations.
5353
5354         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5355         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5356         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5357         expand_complex_div_wide): Likewise.
5358         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5359         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5360         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5361         * tree-ssa-loop-manip.c (create_iv): Likewise.
5362         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5363         abs_replacement): Likewise.
5364         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5365         realify_fake_stores): Likewise.
5366
5367         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5368         node rather than a GIMPLE_MODIFY_STMT node.
5369         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5370         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5371         Likewise.
5372         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5373         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5374         GIMPLE_MODIFY_STMT.
5375
5376 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5377
5378         PR middle-end/30433
5379         * fold-const.c (fold_comparison): Add back the
5380         folding of constant complex comparisions.
5381
5382 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5383
5384         PR middle-end/30729
5385         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5386         effects unknown to this function, return early.
5387
5388 2007-02-15  Ian Lance Taylor  <iant@google.com>
5389
5390         * lower-subreg.c (move_eh_region_note): New static function.
5391         (resolve_simple_move): Call it.
5392         (decompose_multiword_subregs): Track blocks for which we resolve a
5393         simple move which is also a control flow insn.  Pass them to
5394         find_many_sub_basic_blocks.
5395         (pass_lower_subreg): Add TODO_verify_flow.
5396         (pass_lower_subreg2): Likewise.
5397
5398 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5399             Brooks Moses  <brooks.moses@codesourcery.com>
5400             Lee Millward  <lee.millward@codesourcery.com>
5401
5402         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5403         (VL_EXP_CLASS_P): New.
5404         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5405         TREE_CODE_LENGTH.
5406         (TREE_OPERAND_CHECK_CODE): Likewise.
5407         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5408         (TREE_RTL_OPERAND_CHECK): Likewise.
5409         (tree_operand_check_failed): Make second parameter the whole tree
5410         instead of its code.  Fixed callers.
5411         (VL_EXP_CHECK): New.
5412         (TREE_OPERAND_LENGTH): New.
5413         (VL_EXP_OPERAND_LENGTH): New.
5414         (CALL_EXPR_FN): New.
5415         (CALL_EXPR_STATIC_CHAIN): New.
5416         (CALL_EXPR_ARGS): New.
5417         (CALL_EXPR_ARG): New.
5418         (call_expr_nargs): New.
5419         (CALL_EXPR_ARGP): New.
5420         (build_nt_call_list): Declare.
5421         (build_vl_exp_stat): Declare.
5422         (build_vl_exp): New.
5423         (build_call_list): Declare.
5424         (build_call_nary): Declare.
5425         (build_call_valist): Declare.
5426         (build_call_array): Declare.
5427         (call_expr_arg): Declare.
5428         (call_expr_argp): Declare.
5429         (call_expr_arglist): Declare.
5430         (fold_build_call_list): Declare.
5431         (fold_build_call_list_initializer): Declare.
5432         (fold_call_expr): Declare to replace fold_builtin.
5433         (fold_builtin_fputs): Update to agree with modified definition.
5434         (fold_builtin_strcpy): Likewise.
5435         (fold_builtin_strncpy): Likewise.
5436         (fold_builtin_memory_chk): Likewise.
5437         (fold_builtin_stxcpy_chk): Likewise.
5438         (fold_builtin_strncpy_chk): Likewise.
5439         (fold_builtin_next_arg): Likewise.
5440         (fold_build_call_expr): Declare.
5441         (fold_builtin_call_list): Declare.
5442         (fold_builtin_call_valist): Declare.
5443         (build_call_expr): Declare.
5444         (validate_arglist): Update to agree with modified definition.
5445         (tree_operand_length): New.
5446         (call_expr_arg_iterator): New.
5447         (init_call_expr_arg_iterator): New.
5448         (next_call_expr_arg): New.
5449         (first_call_expr_arg): New.
5450         (more_call_expr_args_p): New.
5451         (FOR_EACH_CALL_EXPR_ARG): New.
5452
5453         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5454         and tcc_gimple_stmt.
5455         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5456         than sizeof (char *).
5457         (tree_size): Likewise.  Add case for tcc_vl_exp.
5458         (tree_node_structure): Add case for tcc_vl_exp.
5459         (contains_placeholder_p): Likewise.
5460         (substitute_in_expr): Likewise.
5461         (substitute_placeholder_in_expr): Likewise.
5462         (stabilize_reference_1): Likewise.
5463         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5464         to diagnose breakage of this interface for constructing CALL_EXPRs.
5465         (build_nt): Add similar assertion here.
5466         (build_nt_call_list): New.
5467         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5468         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5469         TREE_CODE_LENGTH.
5470         (get_callee_fndecl): Use new CALL_EXPR accessors.
5471         (tree_operand_check_failed): Change parameters to pass entire node
5472         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5473         (process_call_operands): New.
5474         (build_vl_exp_stat): New.
5475         (build_call_list): New.
5476         (build_call_nary): New.
5477         (build_call_valist): New.
5478         (build_call_array): New.
5479         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5480         (call_expr_arglist): New.
5481
5482         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5483         tcc_vl_exp instead of a fixed-size tcc_expression.
5484
5485         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5486         accessors for CALL_EXPRs.
5487         (AGGR_INIT_EXPR): Likewise.
5488
5489 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5490             Brooks Moses  <brooks.moses@codesourcery.com>
5491             Lee Millward  <lee.millward@codesourcery.com>
5492
5493         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5494         (expand_builtin_nonlocal_goto): Change parameter to be entire
5495         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5496         (expand_builtin_prefetch): Likewise.
5497         (expand_builtin_classify_type): Likewise.
5498         (mathfn_built_in): Return NULL_TREE instead of 0.
5499         (expand_errno_check): Use new CALL_EXPR accessors.
5500         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5501         Return NULL_RTX instead of 0.
5502         (expand_builtin_mathfn_2): Likewise.
5503         (expand_builtin_mathfn_3): Likewise.
5504         (expand_builtin_interclass_mathfn): Likewise.
5505         (expand_builtin_sincos): Likewise.
5506         (expand_builtin_cexpi): Likewise.
5507         (expand_builtin_int_roundingfn): Likewise.
5508         (expand_builtin_int_roundingfn_2): Likewise.
5509         (expand_builtin_pow): Likewise.
5510         (expand_builtin_powi): Likewise.
5511         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5512         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5513         accessors and constructors.  Return NULL_RTX instead of 0.
5514         (expand_builtin_strstr): Likewise.
5515         (expand_builtin_strchr): Likewise.
5516         (expand_builtin_strrchr): Likewise.
5517         (expand_builtin_strpbrk): Likewise.
5518         (expand_builtin_memcpy): Likewise.
5519         (expand_builtin_mempcpy): Likewise.
5520         (expand_builtin_mempcpy_args): New.
5521         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5522         (expand_builtin_memmove_args): New.
5523         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5524         (expand_movstr): Likewise.
5525         (expand_builtin_strcpy): Likewise.
5526         (expand_builtin_strcpy_args): New.
5527         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5528         (expand_builtin_strncpy): Likewise.
5529         (expand_builtin_memset): Likewise.
5530         (expand_builtin_memset_args): New.
5531         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5532         (expand_builtin_memcmp): Likewise.
5533         (expand_builtin_strcmp): Likewise.
5534         (expand_builtin_strncmp): Likewise.
5535         (expand_builtin_strcat): Likewise.
5536         (expand_builtin_strncat): Likewise.
5537         (expand_builtin_strspn): Likewise.
5538         (expand_builtin_strcspn): Likewise.
5539         (expand_builtin_args_info): Likewise.
5540         (expand_builtin_va_start): Likewise.
5541         (gimplify_va_arg_expr): Likewise.
5542         (expand_builtin_va_end): Likewise.
5543         (expand_builtin_va_copy): Likewise.
5544         (expand_builtin_frame_address): Likewise.
5545         (expand_builtin_alloca): Likewise.
5546         (expand_builtin_bswap): Likewise.
5547         (expand_builtin_unop): Likewise.
5548         (expand_builtin_fputs): Likewise.
5549         (expand_builtin_expect): Likewise.
5550         (expand_builtin_fabs): Likewise.
5551         (expand_builtin_copysign): Likewise.
5552         (expand_builtin_printf): Likewise.
5553         (expand_builtin_fprintf): Likewise.
5554         (expand_builtin_sprintf): Likewise.
5555         (expand_builtin_init_trampoline): Likewise.
5556         (expand_builtin_signbit): Likewise.
5557         (expand_builtin_fork_or_exec): Likewise.
5558         (expand_builtin_sync_operation): Likewise.
5559         (expand_builtin_compare_and_swap): Likewise.
5560         (expand_builtin_lock_test_and_set): Likewise.
5561         (expand_builtin_lock_release): Likewise.
5562         (expand_builtin): Likewise.
5563         (builtin_mathfn_code): Likewise.
5564
5565         (fold_builtin_constant_p): Pass call arguments individually instead
5566         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5567         accessors and constructors.  Return NULL_TREE instead of 0.
5568         (fold_builtin_expect): Likewise.
5569         (fold_builtin_classify_type): Likewise.
5570         (fold_builtin_strlen): Likewise.
5571         (fold_builtin_nan): Likewise.
5572         (integer_valued_real_p): Likewise.
5573         (fold_trunc_transparent_mathfn): Likewise.
5574         (fold_fixed_mathfn): Likewise.
5575         (fold_builtin_cabs): Likewise.
5576         (fold_builtin_sqrt): Likewise.
5577         (fold_builtin_cbrt): Likewise.
5578         (fold_builtin_cos): Likewise.
5579         (fold_builtin_cosh): Likewise.
5580         (fold_builtin_tan): Likewise.
5581         (fold_builtin_sincos): Likewise.
5582         (fold_builtin_cexp): Likewise.
5583         (fold_builtin_trunc): Likewise.
5584         (fold_builtin_floor): Likewise.
5585         (fold_builtin_ceil): Likewise.
5586         (fold_builtin_round): Likewise.
5587         (fold_builtin_int_roundingfn): Likewise.
5588         (fold_builtin_bitop): Likewise.
5589         (fold_builtin_bswap): Likewise.
5590         (fold_builtin_logarithm): Likewise.
5591         (fold_builtin_hypot): Likewise.
5592         (fold_builtin_pow): Likewise.
5593         (fold_builtin_powi): Likewise.
5594         (fold_builtin_exponent): Likewise.
5595         (fold_builtin_memset): Likewise.
5596         (fold_builtin_bzero): Likewise.
5597         (fold_builtin_memory_op): Likewise.
5598         (fold_builtin_bcopy): Deleted; call site changed to invoke
5599         fold_builtin_memory_op directly.
5600         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5601         (fold_builtin_strncpy): Likewise.
5602         (fold_builtin_memcmp): Likewise.
5603         (fold_builtin_strcmp): Likewise.
5604         (fold_builtin_strncmp): Likewise.
5605         (fold_builtin_signbit): Likewise.
5606         (fold_builtin_copysign): Likewise.
5607         (fold_builtin_isascii): Likewise.
5608         (fold_builtin_toascii): Likewise.
5609         (fold_builtin_isdigit): Likewise.
5610         (fold_builtin_fabs): Likewise.
5611         (fold_builtin_abs): Likewise.
5612         (fold_builtin_fmin_fmax): Likewise.
5613         (fold_builtin_carg): Likewise.
5614         (fold_builtin_classify): Likewise.
5615         (fold_builtin_unordered_cmp): Likewise.
5616
5617         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5618         New functions split out from fold_builtin_1.
5619         (fold_builtin_n): New.
5620         (fold_builtin_varargs): New.
5621         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5622         instead.
5623         (fold_call_expr): New.
5624         (build_function_call_expr): Rewrite to use new helper function.
5625         (fold_builtin_call_list): New.
5626         (build_call_expr): New.
5627         (fold_builtin_call_valist): New.
5628         (rewrite_call_expr): New.
5629         (validate_arg): New.
5630         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5631         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5632         accessors.
5633
5634         (fold_builtin_strstr):  Pass call arguments individually instead
5635         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5636         accessors and constructors.  Return NULL_TREE instead of 0.
5637         (fold_builtin_strchr): Likewise.
5638         (fold_builtin_strrchr): Likewise.
5639         (fold_builtin_strpbrk): Likewise.
5640         (fold_builtin_strcat): Likewise.
5641         (fold_builtin_strncat): Likewise.
5642         (fold_builtin_strspn): Likewise.
5643         (fold_builtin_strcspn): Likewise.
5644         (fold_builtin_fputs): Likewise.
5645         (fold_builtin_next_arg): Likewise.
5646         (fold_builtin_sprintf): Likewise.
5647
5648         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5649         NULL_RTX instead of 0.
5650         (expand_builtin_memory_chk): Likewise.
5651         (maybe_emit_chk_warning): Likewise.
5652         (maybe_emit_sprintf_chk_warning): Likewise.
5653
5654         (fold_builtin_object_size): Pass call arguments individually instead
5655         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5656         accessors and constructors.  Return NULL_TREE instead of 0.
5657         (fold_builtin_memory_chk): Likewise.
5658         (fold_builtin_stxcpy_chk): Likewise.
5659         (fold_builtin_strncpy_chk): Likewise.
5660         (fold_builtin_strcat_chk): Likewise.
5661         (fold_builtin_strcat_chk): Likewise.
5662         (fold_builtin_strncat_chk): Likewise.
5663         (fold_builtin_sprintf_chk): Likewise.
5664         (fold_builtin_snprintf_chk): Likewise.
5665         (fold_builtin_printf): Likewise.
5666         (fold_builtin_vprintf): Likewise.
5667
5668         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5669         constructors.
5670         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5671         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5672         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5673         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5674         (fold_unary): Likewise.
5675         (fold_binary): Likewise.
5676         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5677         ternary expressions.
5678         (fold): Add logic for tcc_vl_exp.
5679         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5680         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5681         (fold_build3_stat): Add assertion to flag broken interface for
5682         constructing CALL_EXPRs.
5683         (fold_build_call_list): New.
5684         (fold_build_call_list_initializer): New.
5685         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5686         constructors.
5687         (fold_strip_sign_ops): Likewise.
5688
5689 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5690             Brooks Moses  <brooks.moses@codesourcery.com>
5691             Lee Millward  <lee.millward@codesourcery.com>
5692
5693         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5694         accessors and dump arguments explicitly.
5695
5696         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5697         TREE_CODE_LENGTH.
5698         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5699         explicitly.
5700         (print_call_name): Use new CALL_EXPR accessors.
5701
5702         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5703         CALL_EXPR arguments explicitly instead of as a list.  Use
5704         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5705
5706         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5707         (vrp_visit_stmt): Likewise.
5708
5709         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5710         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5711         TREE_CODE_LENGTH.
5712         (force_move_till_expr): Likewise.
5713
5714         * targhooks.c (default_external_stack_protect_fail): Use
5715         build_call_expr instead of build_function_call_expr.
5716         (default_hidden_stack_protect_fail): Likewise.
5717
5718         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5719         build the call.
5720
5721         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5722         and walk arguments explicitly.
5723
5724         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5725         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5726         (expand_simple_operations): Likewise.
5727         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5728
5729         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5730         of TREE_CODE_LENGTH.
5731         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5732
5733         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5734         instead of TREE_CODE_LENGTH.
5735
5736         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5737         (tree_ic_transform): Likewise.
5738         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5739         parameter instead of arglist.  Fix callers.
5740         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5741         (tree_stringops_transform): Likewise.
5742         (tree_indirect_call_to_profile): Likewise.
5743         (tree_stringops_values_to_profile): Likewise.
5744
5745         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5746         (eliminate_tail_call): Likewise.
5747
5748         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5749
5750         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5751         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5752         operands.
5753         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5754
5755         * omp-low.c (build_omp_barrier): Use build_call_expr.
5756         (lower_rec_input_clauses): Likewise.
5757         (lower_reduction_clauses): Likewise.
5758         (expand_parallel_call): Likewise.
5759         (maybe_catch_exception): Likewise.
5760         (expand_omp_for_generic): Likewise.
5761         (expand_omp_for_static_nochunk): Likewise.
5762         (expand_omp_sections): Likewise.
5763         (lower_omp_single_simple): Likewise.
5764         (lower_omp_single_copy): Likewise.
5765         (lower_omp_master): Likewise.
5766         (lower_omp_ordered): Likewise.
5767         (lower_omp_critical): Likewise.
5768
5769         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5770         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5771
5772         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5773         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5774         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5775
5776         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5777         and generalize to handle any number of operands.
5778         (chrec_contains_undetermined): Likewise.
5779         (tree_contains_chrecs): Likewise.
5780         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5781
5782         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5783
5784         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5785         fold_call_expr instead of fold_builtin.
5786         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5787         match declarations there.
5788         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5789         updates.
5790
5791         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5792         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5793
5794         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5795         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5796
5797         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5798         accessors.
5799
5800         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5801         (execute_cse_sincos): Use new CALL_EXPR accessors.
5802
5803         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5804
5805         * gimple-low.c (lower_function_body): Use build_call_expr.
5806         (lower_builtin_setjmp): Likewise.
5807
5808         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5809         (set_storage_via_libcall): Likewise.
5810         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5811         instead of TREE_CODE_LENGTH.
5812         (expand_expr_real_1): Use new CALL_EXPR accessors.
5813
5814         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5815         generalize to handle any number of operands.
5816         (TB_parent_eq): Likewise.
5817
5818         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5819         (strip_builtin_expect): Likewise.
5820
5821         * function.c (gimplify_parameters): Use build_call_expr.
5822
5823         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5824         instead of TREE_CODE_LENGTH.
5825
5826         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5827         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5828
5829         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5830         iterators.
5831
5832         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5833         (gimplify_decl_expr): Likewise.
5834         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5835         Use new CALL_EXPR iterators.
5836         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5837         (gimplify_modify_expr_to_memset): Likewise.
5838         (gimplify_variable_sized_compare): Likewise.
5839         (gimplify_omp_atomic_fetch_op): Likewise.
5840         (gimplify_omp_atomic_pipeline): Likewise.
5841         (gimplify_omp_atomic_mutex): Likewise.
5842         (gimplify_function_tree): Likewise.
5843
5844         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5845         (call_expr_flags): Likewise.
5846         (expand_call): Likewise.
5847
5848         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5849         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5850         accessors.
5851
5852         * coverage.c (create_coverage): Use build_call_expr.
5853
5854         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5855         (temp_call_expr_obstack): New.
5856         (pool_copy_list): Delete.
5857         (temp_copy_call_expr): New.
5858         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5859         CALL_EXPR accessors.  Get rid of special goo for copying argument
5860         lists and use temp_copy_call_expr instead.
5861         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5862         CALL_EXPR accessors.
5863         (create_expression_by_pieces): Likewise.  Use build_call_array
5864         to construct the result instead of fold_build3.
5865         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5866         dealing with argument lists.
5867         (init_pre): Remove references to expression_node_pool and
5868         list_node_pool.  Init temp_call_expr_obstack instead.
5869         (fini_pre): Remove references to expression_node_pool and
5870         list_node_pool.
5871
5872         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5873         and walk arguments explicitly instead of as a list.
5874
5875         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5876         (mx_register_decls): Likewise.
5877         (mudflap_register_call): Likewise.
5878         (mudflap_finish_file): Likewise.
5879
5880         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5881         (ipa_callsite_compute_param): Likewise.
5882
5883         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5884         accessors and constructor.
5885
5886         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5887         accessors and constructor.
5888         (convert_tramp_reference): Likewise.
5889         (convert_call_expr): Likewise.
5890         (finalize_nesting_tree_1): Likewise.
5891
5892         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5893         accessors.
5894
5895         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5896
5897         * tree-inline.c (initialize_inlined_parameters): Pass entire
5898         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5899         accessors.
5900         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5901         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5902
5903         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5904         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5905         (vectorizable_reduction): Likewise.
5906         (vectorizable_call): Use new CALL_EXPR iterators.
5907         (vectorizable_conversion): Use build_call_expr.
5908         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5909         (vect_gen_widened_results_half): Use build_call_expr.
5910         (vect_setup_realignment): Likewise.
5911         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5912
5913         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5914         (pass_through_call): Likewise.
5915         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5916         fold_builtin.
5917
5918         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5919         (tree_gen_pow2_profiler): Likewise.
5920         (tree_gen_one_value_profiler): Likewise.
5921         (tree_gen_ic_func_profiler): Likewise.
5922         (tree_gen_average_profiler): Likewise.
5923         (tree_gen_ior_profiler): Likewise.
5924
5925         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5926         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5927         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5928
5929         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5930         of TREE_CODE_LENGTH.
5931
5932         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5933         of TREE_CODE_LENGTH.
5934
5935         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5936         constructor.
5937         (convert_to_integer): Likewise.
5938
5939         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5940         accessors.
5941
5942 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5943             Brooks Moses  <brooks.moses@codesourcery.com>
5944             Lee Millward  <lee.millward@codesourcery.com>
5945
5946         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5947         accessors.
5948         * config/frv/frv.c (frv_expand_builtin): Likewise.
5949         * config/s390/s390.c (s390_expand_builtin): Likewise.
5950
5951         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5952         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5953
5954         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5955         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5956         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5957         (ix86_expand_store_builtin): Likewise.
5958         (ix86_expand_unop_builtin): Likewise.
5959         (ix86_expand_unop1_builtin): Likewise.
5960         (ix86_expand_sse_compare): Likewise.
5961         (ix86_expand_sse_comi): Likewise.
5962         (ix86_expand_vec_init_builtin): Likewise.
5963         (ix86_expand_vec_ext_builtin): Likewise.
5964         (ix86_expand_vec_set_builtin): Likewise.
5965         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5966
5967         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5968         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5969
5970         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5971         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5972         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5973
5974         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5975         build_call_expr.
5976         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5977         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5978         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5979         (altivec_expand_abs_builtin): Likewise.
5980         (rs6000_expand_binop_builtin): Likewise.
5981         (altivec_expand_predicate_builtin): Likewise.
5982         (altivec_expand_lv_builtin): Likewise.
5983         (spe_expand_stv_builtin): Likewise.
5984         (altivec_expand_stv_builtin): Likewise.
5985         (rs6000_expand_ternop_builtin): Likewise.
5986         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5987         (altivec_expand_st_builtin): Likewise.
5988         (altivec_expand_dst_builtin): Likewise.
5989         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5990         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5991         (altivec_expand_vec_set_builtin): Likewise.
5992         (altivec_expand_vec_ext_builtin): Likewise.
5993         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5994         (spe_expand_builtin): Likewise.
5995         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5996         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5997         (spe_expand_evsel_builtin): Likewise.
5998         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5999         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6000
6001         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6002         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6003         (arm_expand_unop_builtin): Likewise.
6004         (arm_expand_builtin): Use new CALL_EXPR accessors.
6005
6006         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6007         accessors.
6008
6009         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6010         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6011         (bfin_expand_unop_builtin): Likewise.
6012         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6013
6014 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6015             Brooks Moses  <brooks.moses@codesourcery.com>
6016             Lee Millward  <lee.millward@codesourcery.com>
6017
6018         * c-semantics.c (build_stmt): Add internal diagnostic check.
6019
6020         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6021         accessors.  Print arguments explicitly instead of as a list.
6022
6023         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6024
6025         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6026         (c_finish_omp_flish): Likewise.
6027
6028         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6029         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6030         instead of TREE_CODE_LENGTH.
6031         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6032         (c_warn_unused_result): Likewise.
6033
6034 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6035
6036         PR c/26494
6037         * doc/invoke.texi (Warning Options): Remove
6038         -Werror-implicit-function-declaration.
6039         (Wimplicit-function-declaration): Update description.
6040         * opts.c (common_handle_option): Move handling of -Werror=* to...
6041         (enable_warning_as_error): ...here.
6042         * opts.h (enable_warning_as_error): Declare.
6043         * c-decl.c (implicit_decl_warning): Unless
6044         -Wno-implicit-function-declaration is given, emit a pedwarn if
6045         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6046         * c.opt (Wimplicit-function-declaration): Replace
6047         mesg_implicit_function_declaration with
6048         warn_implicit_function_declaration.
6049         * c-opts.c (c_common_handle_option):
6050         -Werror-implicit-function-declaration is exactly equal as
6051         -Werror=implicit-function-declaration.
6052         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6053         warn_implicit_function_declaration.
6054         (c_common_post_options): -Wimplict-function-declaration is enabled
6055         by default by -std=c99, otherwise is disabled by default.
6056         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6057
6058 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6059
6060         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6061         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6062         former is ignored but not the latter.
6063
6064 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6065
6066         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6067         is made and the reference doesn't use the alias set of its type,
6068         do not create the temporary using that type.
6069
6070 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6071
6072         * jump.c: Remove prototypes for delete_computation and
6073         delete_prior_computation.
6074
6075 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6076
6077         * jump.c (get_label_after): Delete.
6078         (get_label_before, delete_computation, delete_jump,
6079         delete_prior_computation, follow_jumps): Move...
6080         * reorg.c (delete_computation, delete_prior_computation): ... here...
6081         (get_label_before, delete_jump): ... making these static ...
6082         (follow_jumps): ... and simplifying this since it only runs after
6083         reload.
6084         * rtl.h (get_label_after, get_label_before, delete_jump,
6085         follow_jumps): Delete prototypes.
6086
6087 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6088
6089         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6090
6091 2007-02-15  Nick Clifton  <nickc@redhat.com>
6092
6093         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6094         order to prevent it from being munged by the target.
6095
6096 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6097
6098         * config/i386/i386.md: Remove misleading comment.
6099
6100 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6101
6102         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6103         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6104         invalid patterns.
6105
6106 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6107
6108         * tree-sra.c (instantiate_missing_elements): Canonicalize
6109         bit-field types.
6110         (sra_build_assignment): New.
6111         (generate_copy_inout, generate_element_copy,
6112         generate_element_zero, generate_one_element_init): Use it.
6113
6114 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6115
6116         * tree-sra.c (instantiate_missing_elements): Canonicalize
6117         bit-field types.
6118         (sra_build_assignment): New.
6119         (generate_copy_inout, generate_element_copy,
6120         generate_element_zero, generate_one_element_init): Use it.
6121
6122 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6123
6124         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6125         limbo die nodes.
6126
6127 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6128
6129         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6130         types as aggregates not scalars.
6131         * function.c (assign_stack_temp_for_type): Likewise.
6132
6133 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6134             Zdenek Dvorak  <dvorakz@suse.cz>
6135
6136         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6137         name.
6138
6139 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6140
6141         * passes.c (next_pass_1): Clear the next field of the copied
6142         pass structure.
6143
6144 2007-02-14  Richard Henderson  <rth@redhat.com>
6145
6146         * tree-sra.c (early_sra): New.
6147         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6148         (tree_sra_early, pass_sra_early): New.
6149         * tree-pass.h (pass_sra_early): Declare.
6150         * passes.c (init_optimization_passes): Use it.
6151
6152 2007-02-14  Richard Guenther  <rguenther@suse.de>
6153
6154         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6155
6156 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6157
6158          PR tree-optimization/30771
6159         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6160         also phi nodes.
6161         (vect_analyze_operations): Induction phis can now be marked as
6162         used_in_loop.
6163         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6164         Update documentation accordingly.
6165
6166 2007-02-14  Nick Clifton  <nickc@redhat.com>
6167
6168         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6169         most 3 arguments are supported.
6170         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6171
6172 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6173
6174         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6175         Ensure dst->current is valid.
6176
6177 2007-02-13  Paul Brook  <paul@codesourcery.com>
6178
6179         * config.gcc: Add arm*-*-uclinux-*eabi.
6180         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6181         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6182         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6183         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6184         (LINK_SPEC): Define.
6185         (LIB_SPEC): Define.
6186         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6187         register.
6188         * config/arm/uclinux-eabi.h: New file.
6189         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6190         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6191         based targets.
6192
6193 2007-02-13  Ian Lance Taylor  <iant@google.com>
6194
6195         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6196         * flags.h (warn_strict_overflow): Declare.
6197         (enum warn_strict_overflow_code): Define.
6198         (issue_strict_overflow_warning): New static inline function.
6199         * opts.c (warn_strict_overflow): New variable.
6200         (common_handle_option): Handle OPT_Wstrict_overflow and
6201         OPT_Wstrict_overflow_.
6202         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6203         OPT_Wall.
6204         * fold-const.c: Include intl.h.
6205         (fold_deferring_overflow_warnings): New static variable.
6206         (fold_deferred_overflow_warning): New static variable.
6207         (fold_deferred_overflow_code): New static variable.
6208         (fold_defer_overflow_warnings): New function.
6209         (fold_undefer_overflow_warnings): New function.
6210         (fold_undefer_and_ignore_overflow_warnings): New function.
6211         (fold_deferring_overflow_warnings_p): New function.
6212         (fold_overflow_warning): New static function.
6213         (make_range): Add strict_overflow_p parameter.  Change all
6214         callers.
6215         (extract_muldiv, extract_muldiv_1): Likewise.
6216         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6217         tree_expr_nonnegative_p.
6218         (fold_negate_expr): Call fold_overflow_warning.
6219         (fold_range_test): Likewise.
6220         (fold_comparison): Likewise.
6221         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6222         instead of tree_expr_nonnegative_p.
6223         (tree_expr_nonnegative_warnv_p): Rename from
6224         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6225         (tree_expr_nonnegative_p): New function.
6226         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6227         strict_overflow_p parameter.
6228         (tree_expr_nonzero_p): New function.
6229         * passes.c (verify_interpass_invariants): New static function.
6230         (execute_one_pass): Call it.
6231         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6232         warnings.
6233         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6234         (estimate_numbers_of_iterations): Likewise.
6235         (scev_probably_wraps_p): Likewise.
6236         * tree-ssa-ccp.c: Include "toplev.h".
6237         (evaluate_stmt): Defer fold overflow warnings until we know we are
6238         going to optimize.
6239         (struct fold_stmt_r_data): Add stmt field.
6240         (fold_stmt_r): Defer fold overflow warnings until we know we
6241         optimized.
6242         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6243         (fold_stmt_inplace): Likewise.
6244         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6245         (cleanup_control_expr_graph): Defer fold overflow warnings until
6246         we know we are going to optimize.
6247         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6248         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6249         Likewise.
6250         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6251         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6252         * tree-ssa-loop-manip.c (create_iv): Likewise.
6253         * c-typeck.c (build_conditional_expr): Likewise.
6254         (build_binary_op): Likewise.
6255         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6256         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6257         (extract_range_from_unary_expr): Likewise.
6258         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6259         assuming that signed overflow does not occur.
6260         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6261         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6262         (fold_defer_overflow_warnings): Declare.
6263         (fold_undefer_overflow_warnings): Declare.
6264         (fold_undefer_and_ignore_overflow_warnings): Declare.
6265         (fold_deferring_overflow_warnings_p): Declare.
6266         (tree_expr_nonzero_warnv_p): Declare.
6267         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6268         of warning options.
6269         (Warning Options): Document -Wstrict-overflow.
6270         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6271         (tree-ssa-ccp.o): Likewise.
6272         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6273         (fold-const.o): Depend on intl.h.
6274
6275 2007-02-13  Ian Lance Taylor  <iant@google.com>
6276
6277         PR middle-end/30751
6278         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6279         addresses.
6280
6281 2007-02-13  Stuart Hastings  <stuart@apple.com>
6282
6283         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6284
6285 2007-02-13  Richard Henderson  <rth@redhat.com>
6286
6287         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6288         handled_component_p before looking for the indirect_ref.
6289
6290 2007-02-13  Richard Henderson  <rth@redhat.com>
6291
6292         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6293         remove flags clobber.
6294         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6295         (bswaphi_lowpart): New.
6296         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6297         remove TARGET_BSWAP test.  Delete expander of the same name.
6298
6299         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6300         (expand_unop): Use them.
6301
6302 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6303
6304         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6305         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6306         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6307         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6308         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6309         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6310         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6311         assembler dialect choice from asm templates.
6312
6313 2007-02-12  Richard Henderson  <rth@redhat.com>
6314
6315         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6316         (fixuns_trunc<SSEMODEF>si2): Use it.
6317         * config/i386/sse.md (vec_setv4sf_0): Export.
6318         * config/i386/i386.c (ix86_build_const_vector): Export.
6319         (ix86_split_convert_uns_si_sse): Rename from
6320         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6321         * config/i386/i386-protos.h: Update.
6322
6323 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6324
6325         PR c/29521
6326         * c-typeck.c (c_finish_return): Improve warning message.
6327
6328 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6329
6330         * alias.c (find_symbolic_term): Delete unused function.
6331
6332 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6333
6334         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6335         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6336         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6337
6338 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6339
6340         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6341         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6342         the function, temporarily point the debug interface to the null one.
6343
6344 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6345
6346         * dwarf2out.c (round_up_to_align): New static function.
6347         (field_byte_offset): Use it to round the offset.
6348
6349 2007-02-12  Richard Henderson  <rth@redhat.com>
6350
6351         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6352         (inswl_const): Export.
6353
6354 2007-02-12  Richard Henderson  <rth@redhat.com>
6355
6356         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6357         result mode of the libcall, convert back to outmode.
6358
6359 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6360
6361         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6362         (bswapdi2): New define_expand to implement 32-bit implementation.
6363
6364 2007-02-12  Nick Clifton  <nickc@redhat.com>
6365
6366         * doc/invoke.texi (Overall Options): Document --help=.
6367         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6368         (cc1_options): Pass --help= on to cc1.
6369         (display_help): Add description of --help=.
6370         (process_command): Add code to handle --help=.  Allow translated
6371         --help and --target-help switches to be passed on to compiler
6372         sub-process.
6373         (main): Remove unused if statement.
6374         * opts.c (columns): Remove.
6375         (LEFT_COLUMN): Define.
6376         (wrap_help): Add columns argument.
6377         (print_filtered_help): Change parameters to be an include bitmask,
6378         an exclude bitmask, an any bitmask and the column width.  Move the
6379         code to display the params list here.  Add code to display the
6380         status of options rather than their descriptions if the quiet flag
6381         is not active.
6382         (print_specific_help): Change parameters to be an include bitmask,
6383         an exclude bitmask and an any bitmask.  Move code to look up the
6384         column width here.  Decide upon the title for an options listing.
6385         (common_handle_options): Add code to handle --help=.  Adapt code
6386         for --help and --target-help to use the revised form of the
6387         print_specific_help function.
6388         (print_help): Delete.
6389         (print_param_help): Delete.
6390         (print_switch): Delete.
6391         * opts.h (cl_lang_count): Add prototype.
6392         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6393         CL_MAX_OPTION_CLASS): New defines.
6394         * optc-gen.awk: Add construction of cl_lang_count.
6395         * c.opt: Add Warning attribute to warning options and Optimization
6396         attribute to optimization options.
6397         * common.opt: Likewise.
6398         Add --help=.
6399         Add -fhelp and -ftarget-help as aliases for the transformed --help
6400         and --target-help options.
6401         * opt-functions.awk: Add code to handle Warning and Optimization
6402         attributes.
6403
6404 2007-02-12  Richard Henderson  <rth@redhat.com>
6405
6406         * config/alpha/constraints.md: New file.
6407         * config/alpha/alpha.c: Include tm-constrs.h.
6408         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6409         alpha_extra_constraint): Remove.
6410         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6411         * config/alpha/alpha-protos.h: Update.
6412         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6413         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6414         (EXTRA_CONSTRAINT): Remove.
6415         * config/alpha/alpha.md: Include constraints.md.
6416         (adddi splitter): Use satisfies_constraint_*.
6417         * config/alpha/predicates.md (add_operand): Likewise.
6418         (sext_add_operand, addition_operation): Likewise.
6419
6420 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6421
6422         PR tree-optimization/29145
6423         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6424         in our handling of restrict qualified pointers.
6425
6426 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6427
6428         PR middle-end/7651
6429         * doc/invoke.texi (Wunused-value): Update description.
6430         (Wextra): Delete item.
6431         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6432         value of Wunused-value.
6433         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6434         (c_finish_stmt_expr): Don't check extra_warnings.
6435         (emit_side_effect_warnings): The caller is responsible to check
6436         warn_unused_value.
6437
6438 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6439             Matt Thomas  <matt@3am-software.com>
6440
6441         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6442
6443 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6444
6445         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6446         comparisons of POPCOUNT against zero.
6447         (simplify_const_relational_operation): Likewise.
6448
6449 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6450
6451         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6452
6453 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6454
6455         * dwarf2out.c (root_type): Delete unused function.
6456
6457 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6458
6459         * genattrtab.c (contained_in_p): Delete unused function.
6460         (write_expr_attr_cache): Likewise.
6461
6462 2007-02-11  Jan Hubicka  <jh@suse.cz>
6463
6464         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6465         previous patch.
6466
6467 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6468
6469         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6470         to add the REG_EQ* note.
6471         * see.c (see_merge_one_use_extension): Likewise.
6472         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6473         turn REG_EQUAL notes into REG_EQUIV notes if the target
6474         register may have more than one set.
6475         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6476         * gcse.c (try_replace_reg): Likewise.
6477         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6478         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6479         more than one REG_EQUIV note.
6480         * reload1.c (gen_reload): Use set_unique_reg_note.
6481
6482 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6483
6484         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6485         (ix86_builtin_conversion): New function.
6486
6487 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6488
6489         PR target/29487
6490         * tree.h (DECL_REPLACEABLE_P): New macro.
6491         * except.c (set_nothrow_function_flags): Likewise.
6492
6493 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6494             Ira Rosen  <irar@il.ibm.com>
6495             Dorit Nuzman  <dorit@il.ibm.com>
6496
6497         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6498         * targhooks.c (default_builtin_vectorized_conversion): New.
6499         * targhooks.h (default_builtin_vectorized_function): New declaration.
6500         * target.h (struct vectorize): Add builtin_conversion field.
6501         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6502         stmt_vec_info_type value.
6503         (vectorizable_conversion): New declaration.
6504         * tree-vect-analyze.c (vect_analyze_operations): Add
6505         vectorizable_conversion call.
6506         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6507         * tree-vect-transform.c (vectorizable_conversion): New function.
6508         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6509         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6510         mode.
6511         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6512         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6513         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6514         or ALTIVEC_BUILTIN_VCFSX.
6515
6516 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6517
6518         PR target/30634
6519         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6520         CONST_DOUBLE and operand 0 is a hard register.
6521         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6522         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6523         is a hard floating-point register.
6524
6525 2007-02-10  Richard Henderson  <rth@redhat.com>
6526             Jakub Jelinek  <jakub@redhat.com>
6527             Alexandre Oliva  <aoliva@redhat.com>
6528
6529         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6530         * builtin-types.def (BT_WORD): Make unsigned.
6531         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6532         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6533         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6534         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6535         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6536         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6537         emulated tls.
6538         * expr.c (emutls_var_address): New.
6539         (expand_expr_real_1): Expand emulated tls.
6540         (expand_expr_addr_expr_1): Likewise.
6541         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6542         * output.h (emutls_finish): Declare.
6543         * toplev.c (compile_file): Call it.
6544         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6545         address before wrapping in CONST.
6546         * varasm.c (emutls_htab, emutls_object_type): New.
6547         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6548         (get_emutls_object_name, get_emutls_object_type): New.
6549         (get_emutls_init_templ_addr, emutls_decl): New.
6550         (emutls_common_1, emutls_finish): New.
6551         (assemble_variable): When emulating tls, swap decls; generate
6552         constructor for the emutls objects.
6553         (do_assemble_alias): When emulating tls, swap decl and target name.
6554         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6555         for emulated tls.
6556         * varpool.c (decide_is_variable_needed): Look at force_output.
6557         Recurse for emulated tls.
6558         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6559         with decide_is_variable_needed.
6560         * emutls.c: New file.
6561         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6562         tls_object for real tls.
6563
6564 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6565
6566         PR rtl-optimization/29599
6567         * reload1.c (eliminate_regs_in_insn): Take the destination
6568         mode into account when computing the offset.
6569
6570 2007-02-09  Stuart Hastings  <stuart@apple.com>
6571             Richard Henderson  <rth@redhat.com>
6572
6573         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6574         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6575         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6576         fixuns_truncdfhi2): New.
6577         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6578         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6579         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6580         (floatunssidf2): Allow nonimmediate source.
6581         * gcc/config/i386/sse.md (movdi_to_sse): New.
6582         (vec_concatv2di): Drop '*'.
6583         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6584         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6585         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6586         New.
6587         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6588         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6589         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6590         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6591         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6592         ix86_build_const_vector.
6593         (x86_emit_floatuns): Rewrite.
6594
6595 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6596
6597         * genautomata.c (longest_path_length): Delete unused function.
6598         (struct state): Delete unused longest_path_length.
6599         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6600         (get_free_state): Delete unused.
6601
6602 2007-02-09  Jan Hubicka  <jh@suse.cz>
6603
6604         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6605         * doc/invoke.texi (inline-unit-growth): Update default value.
6606
6607         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6608         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6609         (rebuild_cgraph_edges): Likewise.
6610         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6611         (dump_cgraph_node): Dump frequencies.
6612         (cgraph_clone_edge): Add frequency scales.
6613         (cgraph_clone_node): Add freuqnecy.
6614         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6615         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6616         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6617         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6618         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6619         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6620         (save_inline_function_body): Likewise.
6621         * ipa-inline.c: inluce rtl.h
6622         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6623         (cgraph_edge_badness): Use frequencies.
6624         (cgraph_decide_recursive_inlining): Update clonning.
6625         (cgraph_decide_inlining_of_small_function): Dump frequency.
6626         * predict.c (estimate_bb_frequencies): Export.
6627         * predict.h (estimate_bb_frequencies): Declare.
6628         * tree-inline.c (copy_bb): Watch overflows.
6629         (expand_call_inline): Update call of cgraph_create_edge.
6630         (optimize_inline_calls): Use TODO flags to update frequnecies.
6631         * passes.h: Include predict.h
6632         (init_optimization_passes): Move profile ahead.
6633         (execute_function_todo): Handle TODO_rebuild_frequencies.
6634
6635 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6636
6637         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6638         the insbl or inswl pattern into a register.
6639
6640 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6641
6642         * config/ia64/ia64.md (bswapdi2): New define_insn.
6643
6644 2007-02-09  Richard Henderson  <rth@redhat.com>
6645
6646         * config/i386/constraints.md (Ym): New constraint.
6647         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6648         (movdi_1_rex64): Split sse and xmm general register moves from
6649         memory move alternatives.  Use conditional register constraints.
6650         (movsf_1, movdf_integer): Likewise.
6651         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6652         (movdf_integer_rex64): New.
6653         (pushsf_rex64): Fix output constraints.
6654         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6655         (sse2_stored): Likewise.
6656         (sse2_storeq_rex64): New.
6657         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6658         amd and not generic.
6659         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6660         for optimize_size.  Remove SF/DFmode hack.
6661
6662 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6663
6664         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6665         (bit_SSE4a): New.
6666
6667 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6668             Richard Sandiford  <richard@codesourcery.com>
6669
6670         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6671         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6672         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6673         m68k/t-mlib to tmake_file.
6674         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6675         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6676         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6677         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6678         variable is not empty, add t-$m68k_arch_family to tmake_file.
6679         Add t-mlibs to tmake_file.
6680         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6681         * config/m68k/t-cf: New file.
6682         * config/m68k/t-m68k: Likewise.
6683         * config/m68k/t-mlibs: Likewise.
6684         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6685         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6686         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6687         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6688         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6689         Delete.
6690         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6691         (INSTALL_LIBGCC): Delete.
6692         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6693         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6694         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6695         (M68K_MLIB_CPU): Define.
6696         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6697         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6698         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6699
6700 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6701             Richard Guenther  <rguenther@suse.de>
6702
6703         PR middle-end/23361
6704         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6705         against INT_MIN/INT_MAX.
6706         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6707         file if a loop is removed.
6708
6709 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6710
6711         * calls.c (store_one_arg): Pass correct alignment to
6712         emit_push_insn for non-BLKmode values.
6713         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6714         unaligned stack slot via a suitably aligned slot.
6715
6716 2007-02-08  DJ Delorie  <dj@redhat.com>
6717
6718         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6719         warnings.
6720         (legal_subregs): Use unsigned char, make const.
6721         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6722
6723 2007-02-08  Paul Brook  <paul@codesourcery.com>
6724
6725         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6726         special interworking needed.
6727
6728 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6729
6730         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6731         conditional to __SSE2__.
6732         (Entries below should have been added to first ChangeLog
6733         entry for amdfam10 dated 2007-02-05)
6734         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6735         defined.
6736         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6737         defined.
6738         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6739         defined.
6740
6741 2007-02-08  DJ Delorie  <dj@redhat.com>
6742
6743         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6744         * config/m32c/m32c.c (legal_subregs): New.
6745         (m32c_illegal_subreg_p): New.
6746         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6747         unsupported subregs of hard regs.
6748
6749 2007-02-08  Jan Hubicka  <jh@suse.cz>
6750
6751         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6752         the same one; always update histograms.
6753
6754 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6755
6756         * passes.c (init_optimization_passes): Tidy comment.
6757
6758 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6759
6760         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6761         strip zero_extend, bswap and rotates from POCOUNT's argument.
6762         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6763         zero_extend and rotates from PARITY's argument.
6764         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6765         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6766         of an integer constant at compile-time.
6767
6768 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6769
6770         PR 30562
6771         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6772         Update all users.
6773         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6774         users.
6775         (init_alias_info):
6776         * tree-ssa-live.c (remove_unused_locals): Do not remove
6777         TREE_ADDRESSABLE variables.
6778         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6779         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6780         FOR_CLOBBER.  Update all users.
6781         If VAR has an associated alias set, add a virtual operand for
6782         it if no alias is found to conflict with the memory reference.
6783
6784 2007-02-07  Jan Hubicka  <jh@suse.cz>
6785             Robert Kidd <rkidd@crhc.uiuc.edu>
6786
6787         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6788
6789 2007-02-07  Ian Lance Taylor  <iant@google.com>
6790
6791         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6792
6793 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6794
6795         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6796         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6797         tablejumpdi, movsi_to_cr_one): Remove constraints from
6798         define_expand's match_operands.
6799
6800 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6801
6802         * global.c (compute_regsets): Move declatation of "i" inside of
6803         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6804
6805 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6806
6807         PR c++/30703
6808         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6809         of INDIRECT_REF <RESULT_DECL>.
6810
6811         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6812
6813 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6814             Kaz Kojima  <kkojima@gcc.gnu.org>
6815
6816         PR target/29746
6817         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6818         properly.
6819         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6820
6821 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6822
6823         * doc/loop.texi: Document possibility not to perform disambiguation
6824         of loops with multiple latches.
6825         * cfgloopmanip.c (alp_enum_p): Removed.
6826         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6827         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6828         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6829         the new forwarder block.
6830         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6831         Handle the case latch is NULL.
6832         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6833         when marking loop exits.
6834         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6835         be modified.
6836         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6837         disambiguate_loops_with_multiple_latches.
6838         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6839         before fix_loop_structure.
6840         * cfgloop.c: Include pointer-set.h and output.h.
6841         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6842         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6843         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6844         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6845         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6846         disambiguate_multiple_latches, get_loop_body_with_size,
6847         disambiguate_loops_with_multiple_latches): New functions.
6848         (flow_loop_dump): Dump multiple latch edges.
6849         (flow_loop_nodes_find): Handle loops with multiple latches.
6850         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6851         (glb_enum_p): Modified.
6852         (get_loop_body): Use get_loop_body_with_size.
6853         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6854         (AVOID_CFG_MODIFICATIONS): New constant.
6855         (disambiguate_loops_with_multiple_latches, add_loop,
6856         get_loop_body_with_size): Declare.
6857         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6858
6859 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6860
6861         PR inline-asm/28686
6862         * global.c (compute_regsets): New function.
6863         (global_alloc): Refactored ELIMINABLE_REGSET
6864         and NO_GLOBAL_ALLOC_REGS computation out.
6865         (rest_of_handle_global_alloc): Call compute_regsets()
6866         for non-optimizing case.
6867
6868 2007-02-06  Richard Henderson  <rth@redhat.com>
6869
6870         * config/i386/constraints.md (Y2): Rename from Y.
6871         (Yi): New constraint.
6872         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6873         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6874         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6875         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6876         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6877         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6878         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6879         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6880         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6881         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6882         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6883         vec_extractv2si_1): Change Y constraints to Y2.
6884         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6885         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6886         Change Y constraints to Y2.
6887         (sse2_loadld): Change Y constraints to x.
6888
6889 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6890
6891         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6892         (parity<mode>2): New define_expand using rs6000_emit_parity.
6893         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6894         rs6000_emit_parity): New functions.
6895         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6896         rs6000_emit_parity): Prototype here.
6897
6898 2007-02-06  Ian Lance Taylor  <iant@google.com>
6899
6900         * lower-subreg.c (simple_move_operand): Reject CONST.
6901         (resolve_clobber): Call validate_change rather than directly
6902         assigning to XEXP (pat, 0).
6903
6904 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6905
6906         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6907         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6908         (tree-cfg.o): Remove hashtab.h dependency.
6909
6910         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6911         (struct ivopts_data): Change niters to pointer_map_t.
6912         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6913         (niter_for_exit): Create pointer_map on demand.  Change for
6914         pointer_map API.
6915         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6916         (free_loop_data): Destroy data->niters if created and reset field.
6917         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6918         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6919
6920         * tree-ssa-reassoc.c: Include pointer-set.h.
6921         (bb_rank): Change to long *.
6922         (operand_rank): Change to pointer_map_t.
6923         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6924         (insert_operand_rank): Accept long.
6925         (operand_entry_hash, operand_entry_eq): Remove.
6926         (get_rank): Return long.  Adjust for changes above.
6927         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6928         and operand_rank.
6929         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6930
6931         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6932         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6933         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6934         is not NULL.
6935         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6936         directly since it cannot be NULL.
6937         (get_vi_for_tree): Rewrite for pointer_map API.
6938         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6939         (init_alias_vars): Create vi_for_tree as pointer_map.
6940         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6941
6942         * tree-cfg.c: Don't include hashtab.h.
6943         (edge_to_cases): Declare as pointer_map.
6944         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6945         Delete.
6946         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6947         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6948         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6949         destroying it.
6950         (record_switch_edge): Delete.
6951         (get_cases_for_edge): Adjust for pointer_map API, inline
6952         record_switch_edge (rewritten for new API), remove goto.
6953
6954 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6955
6956         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6957         * tree-nested.c: Include pointer-set.h.
6958         (var_map_elt, var_map_eq, var_map_hash): Delete.
6959         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6960         to pointer_map_t's.
6961         (nesting_info_bitmap_obstack): New.
6962         (lookup_field_for_decl): Adjust for pointer_map API.
6963         (lookup_tramp_for_decl): Adjust for pointer_map API.
6964         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6965         (get_local_debug_decl): Adjust for pointer_map API.
6966         (convert_nl_goto_reference): Adjust for pointer_map API.
6967         (convert_nl_goto_receiver): Adjust for pointer_map API.
6968         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6969         the new obstack.  Create field_map and var_map as pointer_maps.
6970         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6971         (root): Delete.
6972         (lower_nested_functions): Move root here, no need to NULL it.
6973         Initialize and release the obstack.
6974
6975 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6976
6977         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6978         Remove prototypes and make them non-static.
6979         (struct tree_int_map): Remove.
6980         * tree.h (struct tree_int_map): Move here, turning TO into an
6981         unsigned int.
6982         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6983
6984         * tree.h (TREE_COMPLEXITY): Remove.
6985         (struct tree_exp): Remove complexity field.
6986         * tree.c (build1_stat): Don't set it.
6987
6988 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6989             Victor Kaplansky  <victork@il.ibm.com>
6990
6991         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6992         (vect_is_simple_reduction): Support reduction with induction as
6993         one of the operands.
6994         (vect_is_simple_iv_evolution): Fix formatting.
6995         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6996         formatting.  Don't mark induction phis for vectorization.
6997         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6998         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6999         (vect_get_vec_def_for_operand): Support induction.
7000         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7001         induction case.
7002         (vectorizable_reduction): Support reduction with induction as one of
7003         the operands.
7004         (vectorizable_type_demotion): Use def-type of stmt argument rather
7005         than dummy def-type.
7006
7007         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7008         flag_tree_scev_cprop.
7009         * common.opt (tree-scev-cprop): New flag.
7010
7011         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7012         call to vect_get_new_vect_var.
7013
7014 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7015
7016         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7017         vectype is not NULL.
7018         (vect_pattern_recog_1): Likewise.
7019
7020 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7021
7022         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7023         (fold_negate_expr): Likewise.
7024
7025 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7026
7027         PR debug/30189
7028         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7029         even if cv-qualification is the same.
7030
7031 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7032
7033         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7034         __enable_execute_stack on completion.
7035
7036 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7037
7038         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7039         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7040         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7041         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7042         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7043         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7044         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7045         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7046
7047 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7048
7049         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7050         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7051         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7052         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7053         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7054         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7055         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7056         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7057         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7058         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7059         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7060         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7061         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7062         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7063         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7064         sqrtextenddfxf2_i387): Added amdfam10_decode.
7065
7066         * config/i386/athlon.md (athlon_idirect_amdfam10,
7067         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7068         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7069         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7070         athlon_ivector_store_amdfam10): New define_insn_reservation.
7071         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7072         amdfam10.
7073
7074 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7075
7076         * config/i386/athlon.md (athlon_call_amdfam10,
7077         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7078         define_insn_reservation.
7079         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7080         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7081         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7082
7083 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7084
7085         * config/i386/athlon.md (athlon_sseld_amdfam10,
7086         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7087         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7088
7089 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7090
7091         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7092         define_insn_reservation.
7093         * config/i386/i386.md (sseins): Added sseins to define_attr type
7094         and define_attr unit.
7095         * config/i386/sse.md: Set type attribute to sseins for insertq
7096         and insertqi.
7097
7098 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7099
7100         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7101         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7102         ssecomi_load_amdfam10, ssecomi_amdfam10,
7103         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7104         define_insn_reservation.
7105         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7106
7107 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7108
7109         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7110         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7111         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7112         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7113         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7114         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7115         define_insn_reservation.
7116
7117         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7118         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7119         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7120         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7121         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7122
7123 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7124
7125         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7126         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7127         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7128         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7129         athlon_ssemul_load_k8): Added amdfam10.
7130
7131 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7132
7133         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7134         (x86_sse_unaligned_move_optimal): New variable.
7135
7136         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7137         m_AMDFAM10.
7138         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7139         for unaligned vector SSE double/single precision loads for AMDFAM10.
7140
7141 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7142
7143         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7144         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7145         Define TARGET_CPU_DEFAULT_amdfam10.
7146         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7147         (processor_type): Add PROCESSOR_AMDFAM10.
7148
7149         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7150         processor_type in config/i386/i386.h.
7151         Enable imul peepholes for TARGET_AMDFAM10.
7152
7153         * config.gcc: Add support for --with-cpu option for amdfam10.
7154
7155         * config/i386/i386.c (amdfam10_cost): New variable.
7156         (m_AMDFAM10): New macro.
7157         (m_ATHLON_K8_AMDFAM10): New macro.
7158         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7159         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7160         x86_promote_QImode, x86_integer_DFmode_moves,
7161         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7162         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7163         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7164         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7165         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7166         Enable/disable for amdfam10.
7167         (override_options): Add amdfam10_cost to processor_target_table.
7168         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7169         processor_alias_table.
7170         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7171         (ix86_adjust_cost): Add code for amdfam10.
7172
7173 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7174
7175         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7176         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7177         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7178         * config/i386/i386.h: Add builtin definition for SSE4A.
7179         * config/i386/i386.md: Add support for ABM instructions
7180         (popcnt and lzcnt).
7181         * config/i386/sse.md: Add support for SSE4A instructions
7182         (movntss, movntsd, extrq, insertq).
7183         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7184         Add -march=amdfam10 flag.
7185         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7186         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7187         and amdfam10.
7188         * doc/extend.texi: Add documentation for SSE4A builtins.
7189
7190 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7191
7192         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7193
7194 2007-02-05  Richard Guenther  <rguenther@suse.de>
7195
7196         * tree-vectorizer.h (vectorizable_function): Add argument type
7197         argument, change return type.
7198         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7199         * tree-vect-transform.c (vectorizable_function): Handle extra
7200         argument, return vectorized function decl.
7201         (build_vectorized_function_call): Remove.
7202         (vectorizable_call): Handle calls with result and argument types
7203         differing.  Handle loop vectorization factor correctly.
7204         * targhooks.c (default_builtin_vectorized_function): Adjust for
7205         extra argument.
7206         * targhooks.h (default_builtin_vectorized_function): Likewise.
7207         * target.h (builtin_vectorized_function): Add argument type
7208         argument.
7209         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7210         extra argument, allow vectorizing of lrintf.
7211         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7212         documentation of target hook.
7213
7214 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7215
7216         PR target/30665
7217         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7218         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7219         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7220
7221 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7222
7223         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7224         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7225         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7226         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7227         before canonicalizing sincos to cexpi.
7228         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7229
7230 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7231
7232         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7233         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7234         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7235
7236 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7237
7238         * mips-tfile.c (initialize_init_file): Correct endianness test.
7239
7240 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7241
7242         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7243         the 'y' constraint.
7244
7245 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7246
7247         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7248         saves in a PARALLEL before the register assignments.
7249
7250 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7251
7252         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7253         DWARF_FRAME_RETURN_COLUMN to be a general register.
7254         * dwarf2out.c (init_return_column_size): New function, split from...
7255         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7256         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7257         to be nongeneral registers.
7258         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7259         integer registers.
7260         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7261         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7262
7263 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7264
7265         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7266
7267 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7268
7269         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7270         (remove_path): Use can_remove_branch_p and remove_branch instead
7271         of loop_delete_branch_edge.
7272         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7273         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7274         Update profile using scale_dominated_blocks_in_loop.
7275         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7276         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7277         (can_remove_branch_p, remove_branch): Declare.
7278         * tree-cfg.c (tree_can_remove_branch_p): New function.
7279         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7280         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7281         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7282
7283 2007-02-05  Jan Hubicka  <jh@suse.cz>
7284
7285         PR middle-end/30696
7286         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7287         nodes in cgraph, don't remove offline copy of the function.
7288
7289 2007-02-04  Jan Hubicka  <jh@suse.cz>
7290
7291         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7292         vectors might cause maybe_lookup_element_for_expr to be called
7293         on non-sra-candidate.
7294
7295 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7296
7297         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7298         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7299         spelling conventions.
7300
7301 2007-02-04  Richard Guenther  <rguenther@suse.de>
7302
7303         PR middle-end/30636
7304         * fold-const.c (try_move_mult_to_index): Make sure to not
7305         overflow one dimension of a multi-dimensional array access.
7306
7307 2007-02-04  Jan Hubicka  <jh@suse.cz>
7308
7309         * passes.c (init_optimization_passes): Reindent.
7310
7311 2007-02-04  Jan Hubicka  <jh@suse.cz>
7312             Eric Botcazou  <ebotcazou@adacore.com>
7313
7314         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7315         (execute_fixup_cfg): Break out the abnormal goto code.
7316         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7317         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7318         (optimize_inline_calls): Call make_nonlocal_label_edges.
7319
7320 2007-02-04  Jan Hubicka  <jh@suse.cz>
7321
7322         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7323         true when something was changed.
7324         (rename_ssa_copies): When something was changed, do
7325         TODO_remove_unused_locals.
7326         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7327         add TODO_remove_unused_locals when instruction was removed.
7328
7329 2007-02-04  Jan Hubicka  <jh@suse.cz>
7330
7331         * ipa-inline.c (try_inline): Improve debug output; work on already
7332         inline edges too.
7333         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7334         call try_inline for already inlined edges too when flattening;
7335         inline also functions that make callee growth but overall unit size
7336         reduce.
7337
7338 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7339
7340         * config/m32c/bitops.md, config/m32c/jump.md,
7341         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7342         config/m32r/m32r.h, config/m32r/m32r.md,
7343         config/m32r/predicates.md, config/m68hc11/larith.asm,
7344         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7345         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7346         config/mips/mips-protos.h, config/mips/mips.c,
7347         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7348         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7349         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7350         spelling conventions.
7351
7352         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7353         Follow spelling conventions.
7354
7355 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7356
7357         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7358         warn about C++0x compatibility.
7359
7360 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7361
7362         * config/h8300/h8300.c, config/h8300/h8300.h,
7363         config/h8300/h8300.md: Follow spelling conventions.
7364
7365 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7366
7367         PR middle-end/30667
7368         * combine.c (try_combine): Do not substitute source operand
7369         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7370
7371 2007-02-03  Jan Hubicka  <jh@suse.cz>
7372
7373         PR gcov-profile/30650
7374         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7375         do not divide by zero for never executed counters.
7376         (tree_find_values_to_profile): Fix counters.
7377         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7378
7379 2007-02-03  Ian Lance Taylor  <iant@google.com>
7380
7381         * lower-subreg.c (simple_move_operand): New static function,
7382         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7383         operands.
7384         (simple_move): Call simple_move_operand.
7385         (find_decomposable_subregs): Add special handling of MEMs.
7386         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7387         meaning of return value.  If we see a hard register, test whether
7388         it can store a word_mode value.  Change all callers.
7389
7390 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7391
7392         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7393         ftrapv insns and expanders.
7394         (subdi3): Change define_expand operand 1 to arith11_operand, and
7395         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7396         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7397         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7398         respectively.
7399
7400         PR middle-end/30174
7401         * varasm.c (notice_global_symbol): Treat global objects as weak when
7402         flag_shlib is true.
7403
7404 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7405
7406         * emit-rtl.c (dconstpi): Delete.
7407         (dconstsqrt2): New.
7408         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7409         * real.h (dconstpi): Delete.
7410         (dconstsqrt2): New.
7411         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7412         (fold_builtin_hypot): Likewise.
7413
7414 2007-02-03  Tom Tromey  <tromey@redhat.com>
7415
7416         PR driver/30246
7417         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7418         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7419
7420 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7421
7422         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7423         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7424         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7425         config/rs6000/cell.md, config/rs6000/darwin.h,
7426         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7427         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7428         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7429         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7430         typos.  Follow spelling conventions.
7431         * doc/invoke.texi: Follow spelling conventions.
7432
7433 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7434
7435         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7436         canonicalization transformations that attempt to simplify integer
7437         constant comparisons to become comparisons against zero.
7438
7439 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7440
7441         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7442         fabs(x)*sqrt(2).
7443         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7444         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7445
7446 2007-02-02  Mike Stump  <mrs@apple.com>
7447
7448         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7449         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7450         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7451         generate a branch island.
7452
7453 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7454
7455         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7456         (xtensa_legitimate_address_p): New.
7457         (xtensa_legitimize_address): New.
7458         (xtensa_output_addr_const_extra): New.
7459         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7460         (BASE_REG_P): New.
7461         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7462         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7463         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7464         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7465         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7466         (xtensa_legitimize_address): New.
7467         (xtensa_output_addr_const_extra): New.
7468
7469 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7470
7471         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7472
7473 2007-02-02  Ian Lance Taylor  <iant@google.com>
7474
7475         * expmed.c (expand_divmod): Add comment.
7476
7477 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7478
7479         * emit-rtl.c (renumber_insns): Remove.
7480         * flags.h: Remove the extern for flag_renumber_insns.
7481         * rtl.h: Remove the prototype for renumber_insns.
7482         * toplev.c (flag_renumber_insns): Remove.
7483
7484 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7485
7486         Revert for x86 darwin:
7487         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7488
7489         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7490         code before the following patch under TARGET_MACHO.
7491         (ix86_function_value_regno_p): Likewise.
7492
7493 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7494
7495         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7496         COMPLEX_EXPR.
7497
7498 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7499
7500         PR target/29682
7501         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7502         general or fp registers.  Add comments.
7503         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7504
7505 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7506
7507         * pointer-set.c (insert_aux): Only return insertion slot.
7508         (pointer_set_insert): Adjust.
7509         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7510         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7511         pointer_map_traverse): New.
7512         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7513         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7514         pointer_map_contains, pointer_map_traverse): Declare.
7515
7516 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7517
7518         PR middle-end/30473
7519         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7520         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7521
7522 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7523
7524         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7525
7526         (struct _dep): New type.
7527         (dep_t): New typedef.
7528         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7529         (DEP_STATUS): New access macro.  The macro with the same name was
7530         renamed to DEP_LINK_STATUS.
7531         (dep_init): Declare function
7532
7533         (struct _dep_link): New type.
7534         (dep_link_t): New typedef.
7535         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7536         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7537         (DEP_LINK_STATUS): New macro.
7538         (debug_dep_links): New debug function.
7539
7540         (struct _deps_list): New type.
7541         (deps_list_t): New typedef.
7542         (DEPS_LIST_FIRST): New access macro.
7543         (FOR_EACH_DEP_LINK): New cycle macro.
7544         (create_deps_list, free_deps_list, delete_deps_list): Declare
7545         functions.
7546         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7547         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7548         (copy_deps_list_change_con): Ditto.
7549
7550         (move_dep_link): Declare function.
7551
7552         (struct _dep_node): New type.
7553         (dep_node_t): New typedef.
7554         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7555
7556         (struct haifa_insn_data.back_deps): New field to hold backward
7557         dependencies of the insn.
7558         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7559         to deps_list_t.
7560         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7561         Change its type to deps_list_t.
7562         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7563         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7564         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7565
7566         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7567
7568         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7569
7570         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7571         all callers.
7572         (dep_cost): Declare.
7573
7574         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7575         (ds_to_dk, dk_to_ds): New functions.
7576
7577         (init_dep_1): New static function.
7578         (init_dep): New function.
7579         (copy_dep): New static function.
7580
7581         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7582         functions.
7583         (detach_dep_link): New static function.
7584         (move_dep_link): New function.
7585
7586         (dep_links_consistent_p, dump_dep_links): New static functions.
7587         (debug_dep_links): New debugging function.
7588
7589         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7590
7591         (alloc_deps_list, init_deps_list): New static functions.
7592         (create_deps_list): New function.
7593         (clear_deps_list): New static function.
7594         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7595         (deps_list_consistent_p, dump_deps_list): New static functions.
7596         (debug_deps_list): New function.
7597         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7598         functions.
7599         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7600
7601         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7602         use new scheduler dependencies lists.
7603         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7604         (sched_analyze): Ditto.  Initialize dependencies lists.
7605         (add_forw_dep, compute_forward_dependences): Update to use new
7606         scheduler dependencies lists.
7607
7608         (init_dependency_caches): Init deps_obstack.
7609         (free_dependency_caches): Free deps_obstack.
7610
7611         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7612         new scheduler dependencies lists.
7613         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7614         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7615
7616         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7617         Update to use new scheduler dependencies lists.
7618         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7619         (debug_dependencies): Ditto.
7620         (schedule_region): Update comments.
7621
7622         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7623         scheduler dependencies lists.
7624         (schedule_ebb): Update comments.
7625
7626         * rtl.def (DEPS_LIST): Remove.
7627
7628         * lists.c (unused_deps_list): Remove.
7629         (free_list): Update assertions.
7630
7631         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7632         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7633
7634         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7635         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7636
7637         * haifa-sched.c (comments): Update.
7638         (insn_cost1): Remove.  Inline the code into insn_cost ().
7639         (insn_cost): Update to use new scheduler dependencies lists.  Move
7640         processing of the dependency cost to dep_cost ().
7641         (dep_cost): New function.  Use it instead of insn_cost () when
7642         evaluating cost of the dependency.  Use compatible interface to
7643         interact with the target.
7644         (priority): Update to use new scheduler dependencies lists.
7645         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7646         with greater number of insns that depend on the insn.
7647         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7648         code to free backward dependencies lists.  Inline and optimize code
7649         from resolve_dep () - see PR28071.
7650         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7651         lists.  Update call to targetm.sched.is_costly_dependence hook.
7652
7653         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7654         scheduler dependencies lists.
7655
7656         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7657         (init_h_i_d): Initialize dependencies lists.
7658
7659         (process_insn_depend_be_in_spec): Rename to
7660         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7661         dependencies lists.
7662         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7663         Update to use new scheduler dependencies lists.
7664         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7665
7666         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7667         new scheduler dependencies lists.
7668         (build_intra_loop_deps): Ditto.
7669
7670         * target.h (struct _dep): Declare to use in
7671         gcc_target.sched.is_costly_dependence.
7672         (struct gcc_target.sched.adjust_cost): Fix typo.
7673         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7674         single dep_t parameter instead of an equivalent triad.
7675         (struct gcc_target.sched.adjust_cost_2): Remove.
7676
7677         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7678
7679         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7680
7681         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7682         documentation.
7683         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7684
7685         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7686         (REG_DEP_TRUE): Document.
7687
7688         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7689         Change signature to correspond to the targetm.sched.adjust_cost hook.
7690         Update use in TARGET_SCHED_ADJUST_COST_2.
7691         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7692         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7693         new scheduler dependencies lists.
7694         (ia64_gen_check): Ditto.
7695
7696         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7697         dependencies lists.
7698
7699         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7700         signature to correspond to the targetm.sched.is_costly_dependence hook.
7701         (is_costly_group): Update to use new scheduler dependencies lists.
7702
7703         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7704         instead of INSN_COST () macro.
7705
7706 2007-02-01  Ian Lance Taylor  <iant@google.com>
7707
7708         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7709
7710 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7711
7712         * pa.md (tp_load): Correct mfctl instruction syntax.
7713
7714 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7715
7716         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7717         altivec_padding_size calculation on AIX.  Improve comment, add
7718         assert to verify that it's right.
7719
7720         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7721         64-bit.
7722
7723 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7724
7725         PR inline-asm/28686
7726         * global.c (global_alloc): Add mising initialization of
7727         ELIMINABLE_REGSET.
7728
7729 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7730
7731         * alias.c (init_alias_analysis): Correct whitespace.
7732         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7733         partition_hot_cold_basic_blocks): Likewise.
7734         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7735         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7736         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7737         fold_builtin_snprintf_chk, fold_builtin_printf,
7738         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7739         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7740         * cfgcleanup.c (cleanup_cfg): Likewise.
7741         * cfgexpand.c (tree_expand_cfg): Likewise.
7742         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7743         * function.c (get_next_funcdef_no): Likewise.
7744         * gengtype.c (main): Likewise.
7745         * genmodes.c (main): Likewise.
7746         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7747         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7748         * ifcvt.c (noce_emit_move_insn): Likewise.
7749         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7750         Likewise.
7751         * stor-layout.c (get_best_mode): Likewise.
7752         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7753         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7754         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7755         perform_var_substitution, solve_graph): Likewise.
7756         * tree-vrp.c (vrp_finalize): Likewise.
7757
7758 2007-02-01  Ian Lance Taylor  <iant@google.com>
7759
7760         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7761         high part of a paradoxical subreg, return a constant zero.
7762
7763 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7764
7765         * toplev.c (lang_dependent_init): Call init_set_costs.
7766         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7767
7768 2007-02-01  Richard Guenther  <rguenther@suse.de>
7769
7770         PR middle-end/30656
7771         * fold-const.c (fold_negate_expr): Allow negating a
7772         constant if overflow does not change.
7773
7774 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7775
7776         * doc/c-tree.texi (Expression trees): Improve markup.
7777         * doc/tm.texi (Register Classes, Addressing Modes)
7778         (Floating Point): Fix spacing after abbreviations.  Fix some
7779         typos.
7780
7781 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7782
7783         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7784         * doc/contrib.texi: Likewise.
7785         * doc/install.texi: Likewise.
7786
7787 2007-01-31  Richard Henderson  <rth@redhat.com>
7788             Ian Lance Taylor  <iant@google.com>
7789
7790         * lower-subreg.c: New file.
7791         * rtl.def (CONCATN): Define.
7792         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7793         pass_lower_subreg2.
7794         * emit-rtl.c (update_reg_offset): New static function, broken out
7795         of gen_rtx_REG_offset.
7796         (gen_rtx_REG_offset): Call update_reg_offset.
7797         (gen_reg_rtx_offset): New function.
7798         * regclass.c: Revert patch of 2006-03-05, restoring
7799         reg_scan_update.
7800         (clear_reg_info_regno): New function.
7801         * dwarf2out.c (concatn_loc_descriptor): New static function.
7802         (loc_descriptor): Handle CONCATN.
7803         * common.opt (fsplit_wide_types): New option.
7804         * opts.c (decode_options): Set flag_split_wide_types when
7805         optimizing.
7806         * timevar.def (TV_LOWER_SUBREG): Define.
7807         * rtl.h (gen_reg_rtx_offset): Declare.
7808         (reg_scan_update): Declare.
7809         * regs.h (clear_reg_info_regno): Declare.
7810         * tree-pass.h (pass_lower_subreg): Declare.
7811         (pass_lower_subreg2): Declare.
7812         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7813         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7814         -fsplit-wide-types.
7815         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7816         * Makefile.in (OBJS-common): Add lower-subreg.o.
7817         (lower-subreg.o): New target.
7818
7819 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7820
7821         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7822
7823 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7824
7825         PR target/19087
7826         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7827
7828 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7829
7830         PR middle-end/29335
7831         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7832
7833 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7834
7835         * cfgloop.h: Include vec-prim.h.
7836         (enum li_flags): Remove LI_ONLY_OLD.
7837         (loop_iterator): Changed.
7838         (fel_next, fel_init): Iterate over loop tree.
7839         (FOR_EACH_LOOP_BREAK): New macro.
7840         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7841         FOR_EACH_LOOP.
7842         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7843         * modulo-sched.c (sms_schedule): Ditto.
7844         * tree-vectorizer.c (vectorize_loops): Ditto.
7845         * doc/loop.texi: Update information on loop numbering and behavior of
7846         FOR_EACH_LOOP wrto new loops.
7847         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7848         add_to_evolution_1): Test nestedness of loops instead of comparing
7849         their numbers.
7850         * tree-chrec.c (chrec_fold_plus_poly_poly,
7851         chrec_fold_multiply_poly_poly, chrec_evaluate,
7852         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7853         reset_evolution_in_loop): Ditto.
7854         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7855
7856 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7857
7858         * c-common.c (warn_about_parentheses): Separate warning about
7859         un-parenthized sequence of comparison operators from the one
7860         which is supposed to warn about x <= y <= z.
7861
7862 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7863
7864         * optabs.h (enum optab_index): Add new OTI_isinf.
7865         (isinf_optab): Define corresponding macro.
7866         * optabs.c (init_optabs): Initialize isinf_optab.
7867         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7868         patterns.
7869         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7870         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7871         using isinf_optab.
7872         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7873         expand_builtin_interclass_mathfn.
7874         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7875         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7876         (fxam<mode>2_i387): New insn pattern.
7877         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7878         built-in functions as x87 inline asm.
7879
7880 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7881
7882         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7883
7884 2007-01-30  Eric Christopher  <echristo@apple.com>
7885
7886         * config.gcc: Add geode.
7887
7888 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7889
7890         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7891         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7892         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7893         value-prof.c: Fix comment typos.
7894
7895 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7896
7897         PR c++/24745
7898         * doc/invoke.texi (Wpointer-arith): Document warning.
7899
7900 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7901
7902         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7903         the list of discrepancies from the draft TR.
7904
7905 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7906
7907         PR c++/30601
7908         * doc/invoke.texi (-Wreturn-type): Update description to
7909         match new behavior.
7910
7911 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7912
7913         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7914
7915 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7916
7917         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7918         to handle optabs that operate on floating point input argument and
7919         output to integer output.
7920         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7921         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7922         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7923         expand_builtin_interclass_mathfn ().
7924         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7925         (ilogbsi2): Remove.
7926         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7927         ilogbl built-in functions as x87 intrinsics.
7928
7929 2007-01-30  Richard Guenther  <rguenther@suse.de>
7930
7931         PR middle-end/27657
7932         * dwarf2out.c (reference_to_unused): Query varpool if the
7933         variable was output.
7934
7935 2007-01-30  Richard Guenther  <rguenther@suse.de>
7936
7937         PR middle-end/30313
7938         * passes.c (execute_one_pass): Reset in_gimple_form to not
7939         confuse non-unit-at-a-time mode.
7940
7941 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7942             Richard Guenther  <rguenther@suse.de>
7943
7944         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7945         avoid undefined behaviour on overflow.  Use force_fit_type_double
7946         to construct the constant with the specified TREE_OVERFLOW.
7947
7948 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7949
7950         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7951         * config/dfp-bit.h: Ditto.
7952
7953 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7954
7955         * c-decl.c (pop_scope): Replace warnings with call to
7956         warn_for_unused_label.
7957         * c-common.h (warn_for_unused_label): Declare.
7958         * c-common.c (warn_for_unused_label): Define.
7959
7960 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7961
7962         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7963         function.
7964
7965 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7966
7967         * Makefile.in (USER_H): Remove decfloat.h.
7968         * ginclude/decfloat.h: Delete, moving contents to ...
7969         * ginclude/float.h: Add support for decimal floating point,
7970         guarded by __STDC_WANT_DEC_FP__.
7971
7972 2007-01-29  Mike Stump  <mrs@apple.com>
7973
7974         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7975         Analysis and Representation to resolve case insensitive conflict.
7976         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7977
7978 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7979
7980         * tree.h (struct tree_memory_tag): Add aliases member.
7981         (MTAG_ALIASES): New macro.
7982         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7983         (add_may_alias): Remove pointer-set. Update for may_aliases being
7984         a bitmap.
7985         (mark_aliases_call_clobbered): Update for may_aliases being a
7986         bitmap.
7987         (compute_tag_properties): Ditto.
7988         (create_partition_for): Ditto.
7989         (compute_memory_partitions): Ditto.
7990         (dump_may_aliases_for): Ditto.
7991         (is_aliased_with): Ditto.
7992         (add_may_alias_for_new_tag): Ditto.
7993         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7994         (compute_is_aliased): New function.
7995         (compute_may_aliases): Call compute_is_aliased).
7996         (init_alias_info): Initialize alias_bitmap_obstack.
7997         (union_alias_set_into): New function.
7998         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7999         (have_common_aliases_p): Rewrite to take two bitmaps and use
8000         intersection.
8001         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8002         Update for bitmaps.
8003         (finalize_ref_all_pointers): Update for add_may_alias changes.
8004         (new_type_alias): Ditto.
8005         * tree-flow-inline.h (may_aliases): Return a bitmap.
8006         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8007         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8008         may_aliases being a bitmap.
8009         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8010         may_aliases now returns a bitmap.
8011         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8012         being a bitmap.
8013         * tree-ssa-operands.c (add_virtual_operand): Update for
8014         may_aliases being a bitmap.
8015
8016 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8017
8018         PR tree-optimization/30630
8019         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8020         variable as changed.
8021
8022 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8023
8024         PR c++/28266
8025         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8026         expanded only once even if an error occurs.
8027
8028 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8029
8030         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8031         (__gcov_average_profiler): Likewise.
8032         (__gcov_ior_profiler): Likewise.
8033         (__gcov_merge_ior): Likewise.
8034
8035 2007-01-28  Jan Hubicka  <jh@suse.cz>
8036
8037         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8038         * value-prof.c (stringop_block_profile): Likewise.
8039
8040 2007-01-28  Jan Hubicka  <jh@suse.cz>
8041
8042         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8043         variant handling histograms; add wrapper.
8044         (clear_storage_via_libcall): Export.
8045         (emit_block_move_hints): Break out from ...; add histograms.
8046         (emit_block_move): ... this one.
8047         (clear_storage_hints): Break out from ...; add histograms.
8048         (clear_storage): ... this one.
8049         (set_storage_via_memset): Handle histogram.
8050         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8051         (clear_storage_hints, clear_storage_via_libcall): Declare.
8052         (set_storage_via_setmem): Update prototype.
8053         * doc/md.texi (movmem, setmem): Document new arguments.
8054
8055         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8056         new histograms.
8057         (stringop_block_profile): New global function.
8058         (tree_stringops_values_to_profile): Profile block size and alignment.
8059         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8060         HIST_TYPE_IOR.
8061         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8062         (stringop_block_profile): Declare.
8063         * builtins.c: Include value-prof.h.
8064         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8065         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8066         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8067         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8068         * profile.c (instrument_values): Add new counters.
8069         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8070         calls.
8071         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8072         (tree_init_edge_profiler): Build new profilers.
8073         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8074         (pass_tree_profile): Add dump.
8075         (tree_profile_hooks): Update.
8076         * Makefile.in (LIBGCOV): Add new constants.
8077         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8078         __gcov_ior_profiler): New.
8079         * i386.md (movmem/setmem expanders): Add new optional arguments.
8080
8081 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8082
8083         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8084
8085 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8086
8087         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8088         (tree_unswitch_single_loop): Pass eni_size_weights to
8089         tree_num_loop_insns.
8090         * tree-ssa-loop-manip.c: Include tree-inline.h.
8091         (can_unroll_loop_p): Pass eni_size_weights to
8092         tree_num_loop_insns.
8093         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8094         Pass eni_size_weights to estimate_num_insns.
8095         * tree.h (init_inline_once): Export.
8096         * toplev.c (backend_init): Call init_inline_once.
8097         * cgraphunit.c (cgraph_process_new_functions,
8098         cgraph_analyze_function): Pass eni_inlining_weights to
8099         estimate_num_insns.
8100         * ipa-inline.c (compute_inline_parameters): Ditto.
8101         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8102         to estimate_num_insns.
8103         (try_unroll_loop_completely): Pass eni_size_weights to
8104         tree_num_loop_insns.
8105         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8106         ot estimate_num_insns.
8107         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8108         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8109         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8110         eni_time_weights): New variables.
8111         (init_inline_once): Initialize them.
8112         (struct eni_data): Mew.
8113         (estimate_num_insns_1, estimate_num_insns): Use weights.
8114         * tree-inline.h (struct eni_weights_d): New.
8115         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8116         (estimate_num_insns): Declaration changed.
8117         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8118         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8119         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8120
8121 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8122
8123         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8124         relations in the conflict function is valid.
8125
8126 2007-01-27  Ian Lance Taylor  <iant@google.com>
8127
8128         * common.opt: Add fstrict-overflow.
8129         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8130         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8131         (TYPE_OVERFLOW_UNDEFINED): Define.
8132         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8133         Replace all uses.
8134         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8135         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8136         (fold_negate_expr): Likewise.
8137         (make_range): Likewise.
8138         (extract_muldiv_1): Likewise.
8139         (maybe_canonicalize_comparison): Likewise.
8140         (fold_comparison): Likewise.
8141         (fold_binary): Likewise.
8142         (tree_expr_nonnegative_p): Likewise.
8143         (tree_expr_nonzero_p): Likewise.
8144         * tree-vrp.c (compare_values): Likewise.
8145         (extract_range_from_binary_expr): Likewise.
8146         (extract_range_from_unary_expr): Likewise.
8147         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8148         Likewise.
8149         (nowrap_type_p): Likewise.
8150         * tree-scalar-evolution.c (simple_iv): Likewise.
8151         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8152         (build_range_check): Likewise.
8153         (extract_muldiv_1): Likewise.
8154         (fold_comparison): Likewise.
8155         * tree-vrp.c (vrp_int_const_binop): Likewise.
8156         (extract_range_from_unary_expr): Likewise.
8157         * convert.c (convert_to_integer): Likewise.
8158         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8159         (fold_comparison): Likewise.
8160         (fold_binary): Likewise.
8161         * optabs.c (optab_for_tree_code): Likewise.
8162         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8163         * simplify-rtx.c (simplify_const_relational_operation): Check
8164         flag_strict_overflow and flag_trapv.
8165         (simplify_const_relational_operation): Likewise.
8166         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8167         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8168         -fstrict-overflow.
8169
8170 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8171
8172         * tree.c (tree_fold_gcd): Delete.
8173         * tree.h (tree_fold_gcd): Remove prototype.
8174         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8175         test whether one constant integer is a multiple of another.  Instead
8176         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8177         * fold-const.c (multiple_of_p):  We've determined both TOP and
8178         BOTTOM are integer constants so we can call int_const_binop directly
8179         instead of the more generic const_binop.
8180
8181 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8182
8183         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8184         1*X check that the constant hasn't overflowed, to preserve the
8185         TREE_OVERFLOW bit.
8186         (round_up): Provide an efficient implementation when rouding-up an
8187         INTEGER_CST to a power-of-two.
8188
8189 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8190
8191         * doc/sourcebuild.texi: Add comma for clarity.
8192         * doc/extend.texi: Fix some typos.
8193         * doc/passes.texi: Likewise.
8194         * doc/cppinternals.texi: Likewise.
8195         * doc/c-tree.texi: Likewise.
8196         * doc/tree-ssa.texi: Likewise.
8197         * doc/install.texi: Likewise.
8198
8199 2007-01-27  Jan Hubicka  <jh@suse.cz>
8200
8201         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8202         (pass_sra): Do not require alias information.
8203         * passes.c (init_optimization_passes): Add SRA
8204
8205 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8206
8207         * tracer.c (rest_of_handle_tracer): We already cleaned
8208         up the CFG in tracer() so don't do it here again.
8209         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8210         cleanup_cfg here, either.  And don't call renumber_insns.
8211
8212         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8213         and BB_HEAD are in the insn stream here.  Instead make sure
8214         that BB_INSN is valid on all insns.  Also, do check here that
8215         there are no pending branch predictions...
8216         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8217         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8218         here.
8219
8220 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8221
8222         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8223         function to simplify/factorize operand order canonicalization.
8224         (ix86_fixup_binary_operands): Reorganize using the above function.
8225         (ix86_binary_operator_ok): Likewise.
8226
8227 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8228
8229         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8230         file scope from optimize_attrs.
8231         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8232         up search.
8233         (optimize_attrs): Clear insn_code_values after freeing it.
8234
8235 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8236
8237         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8238         a parts.base assignment.
8239
8240 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8241
8242         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8243         (compute_subscript_distance, initialize_data_dependence_relation,
8244         finalize_ddr_dependent, analyze_ziv_subscript,
8245         analyze_siv_subscript_cst_affine,
8246         compute_overlap_steps_for_affine_univar,
8247         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8248         analyze_siv_subscript, analyze_miv_subscript,
8249         analyze_overlapping_iterations, subscript_dependence_tester_1,
8250         compute_self_dependence, free_dependence_relation): Work
8251         with affine_fn instead of chrecs.
8252         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8253         common_affine_function, affine_function_base,
8254         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8255         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8256         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8257         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8258         (all_chrecs_equal_p): Removed.
8259         * tree-data-ref.h (affine_fn, conflict_function): New types.
8260         (struct subscript): Change type of conflicting_iterations_in_a
8261         and conflicting_iterations_in_b.
8262
8263 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8264
8265         PR other/30182
8266         * config/pa/pa.h (TARGET_HPUX_11): New.
8267         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8268         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8269
8270 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8271         Richard Guenther  <rguenther@suse.de>
8272
8273         * tree-ssa-structalias.c (solve_graph): Handle case
8274         we merged the variable to another.
8275
8276 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8277
8278         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8279         functions.
8280
8281         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8282         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8283
8284 2007-01-25  DJ Delorie  <dj@redhat.com>
8285
8286         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8287         allow changes to modes which don't fit in those registers.
8288
8289         * reload1.c (choose_reload_regs): Check for invalid subregs before
8290         computing their locations, not after.
8291
8292 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8293
8294         PR 25127
8295         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8296         save Altivec registers in an eh_return function.
8297         (compute_vrsave_mask): Likewise.
8298         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8299         for saving Altivec registers.
8300         (rs6000_emit_prologue): Don't allocate stack twice in
8301         eh_return function.  Correct expected value of altivec_save_offset
8302         when using save_world.  Describe save of R0 to stack when using
8303         save_world.  Describe stack pointer adjustment when using
8304         save_world.  Remove duplicated eh_return parameter register saving.
8305         Update sp_offset variable after save_world.
8306         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8307         darwin-world.asm.
8308         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8309         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8310         implies Altivec.
8311
8312 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8313
8314         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8315
8316 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8317
8318         PR other/30182
8319         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8320         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8321
8322 2007-01-25  Richard Guenther  <rguenther@suse.de>
8323
8324         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8325         * common.opt (-Wcoverage-mismatch): New warning option.
8326         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8327         if -Wcoverage-mismatch is given.
8328
8329 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8330
8331         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8332         (ipcp_driver): Change to static definition.
8333         Add dumping of the ifunctions.
8334         (constant_val_insert): Remove unused parameter. Support for SSA.
8335         (ipcp_propagate_const): Support for SSA.
8336         (ipcp_profile_bb_print): Print only analyzed nodes.
8337         (ipcp_replace_map_create): Remove support for Fortran constant
8338         for now.
8339         * ipa-prop.c (ipa_method_modify_stmt,
8340         ipa_callsite_compute_param): Support for SSA.
8341         * ipa-prop.h (ipcp_driver): Remove declaration.
8342         (IS_VALID_TREE_MAP_INDEX): Add define.
8343
8344 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8345
8346         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8347
8348 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8349
8350         PR middle-end/30447
8351         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8352         constant argument to cabs and do it without checking for
8353         -funsafe-math-optimizations.
8354
8355 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8356
8357         * c-common.h (RID_FIRST_CXX0X): New.
8358         (RID_LAST_CXX0X): New.
8359         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8360         by -Wall.
8361         * c.opt (Wc++0x-compat): New.
8362         * doc/invoke.texi (-Wc++0x-compat): Document.
8363
8364 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8365
8366         * builtins.c (fold_builtin_carg): New.
8367         (fold_builtin_1): Use it.
8368
8369 2007-01-24  Jan Hubicka  <jh@suse.cz>
8370
8371         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8372
8373         * ipa-inline.c (initial_insns, max_insns): Delete.
8374         (compute_max_insns): New function.
8375         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8376         of insns as base for code growth.
8377         (cgraph_decide_inlining): Make initial_insns local; do not compute
8378         max_insns.
8379         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8380         * doc/invoke.texi (inline-unit-growth): Update docs.
8381
8382 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8383
8384         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8385         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8386         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8387         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8388         for CPUs that have PTA_CX16 set.
8389
8390         PR middle-end/27416
8391         * gimplify.c (omp_check_private): New function.
8392         (gimplify_scan_omp_clauses): Use it for
8393         firstprivate/lastprivate/reduction.
8394
8395         PR middle-end/30494
8396         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8397         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8398
8399         PR middle-end/30421
8400         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8401         If lower_lastprivate_clauses emits some statements, append them
8402         to dlist rather than body_p and to body_p append an initializer.
8403         (lower_omp_for): Adjust caller.
8404
8405 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8406
8407         * target.h (globalize_decl_name): New.
8408         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8409         * output.h (default_globalize_decl_name): New.
8410         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8411         globalize_label.
8412         (globalize_decl): Ditto.
8413         (default_globalize_decl_name): New.
8414         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8415         (ia64_handle_version_id_attribute): New.
8416         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8417         (ia64_asm_output_external): Use globalize_decl_name instead
8418         of globalize_label.
8419         * doc/extend.texi (version_id): New pragma.
8420         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8421
8422 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8423
8424         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8425         _uleb128_t and _Unwind_SWord with _sleb128_t.
8426         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8427         uw_frame_state_for, uw_update_context_1): Likewise.
8428         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8429         * unwind-pe.h (read_uleb128, read_sleb128,
8430         read_encoded_value_with_base): Likewise.
8431         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8432
8433 2007-01-24  Richard Guenther  <rguenther@suse.de>
8434
8435         * builtins.c (expand_builtin_cexpi): Get the fndecl
8436         for cexp in the correct way.
8437
8438 2007-01-24  Jan Hubicka  <jh@suse.cz>
8439
8440         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8441
8442 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8443
8444         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8445         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8446         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8447         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8448         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8449         __SIZEOF_PTRDIFF_T__.
8450         * doc/cpp.texi: Documentation for the new builtin macros added.
8451
8452 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8453
8454         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8455         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8456         instead of operands[2] to avoid access past the end of array.
8457
8458 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8459
8460         * reload1.c (emit_reload_insns): Pass the reload register
8461         for a non-spill output reload through forget_old_reloads_1.
8462
8463 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8464
8465         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8466         _SOFT_DOUBLE if doubles use software floating-point.
8467         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8468         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8469         * config/rs6000/darwin-ldouble.c: Also compile functions for
8470         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8471         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8472         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8473         commented-out long double override.
8474         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8475         * config/rs6000/eabispe.h: Likewise.
8476         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8477         long double for non-SPE.
8478         (rs6000_handle_option): Likewise.
8479         (invalid_e500_subreg): Disallow more subregs involding DImode,
8480         DFmode, TImode or TFmode.
8481         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8482         E500 double.
8483         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8484         double.
8485         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8486         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8487         double.
8488         (rs6000_legitimate_address): Also check for TFmode for E500
8489         double.
8490         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8491         (spe_build_register_parallel): Handle TFmode and TCmode.
8492         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8493         double.
8494         (function_arg): Handle TFmode and TCmode for E500 double.
8495         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8496         in general.
8497         (print_operand): Handle TFmode and TImode for %y.
8498         (rs6000_generate_compare): Handle TFmode comparisons for E500
8499         double.
8500         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8501         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8502         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8503         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8504         TFmode for E500 double.
8505         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8506         (floatsidf2): Enable for E500 double.
8507         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8508         (extenddftf2): Change to extenddftf2_fprs.
8509         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8510         depending on TARGET_E500_DOUBLE.
8511         (extendsftf2): Enable for E500 double.
8512         (trunctfdf2): Enable for E500 double.
8513         (trunctfsf2): Change to trunctfsf2_fprs.
8514         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8515         depending on TARGET_E500_DOUBLE.
8516         (floatsitf2): Enable for E500 double.
8517         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8518         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8519         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8520         (negtf2): Change to negtf2_internal.
8521         (negtf2): New expander.
8522         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8523         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8524         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8525         (movdi_internal32): Use rs6000_nonimmediate_operand.
8526         (unnamed splitter): Likewise.
8527         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8528         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8529         (SPE64TF, DITI): New mode macros.
8530         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8531         modes.
8532         (frob_tf_ti): New.
8533         (frob_<mode>_di_2): New.
8534         (frob_tf_di_8_2): New.
8535         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8536         (frob_ti_tf): New.
8537         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8538         more modes.
8539         (frob_ti_<mode>_8_2): New.
8540         (frob_ti_tf_2): New.
8541         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8542         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8543         TFmode.
8544         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8545         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8546         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8547         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8548         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8549         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8550         tsttflt_gp): New.
8551
8552 2007-01-23  Ian Lance Taylor  <iant@google.com>
8553
8554         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8555         insn-*.o first.
8556         (OBJS-archive): Reformat, alphabetize.
8557         (OBJS): Change out_object_file to OBJS-md.
8558
8559 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8560
8561         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8562         JUMP_P and CALL_P predicates where applicable.
8563         * config/i386/i386.c: Ditto.
8564         * config/i386/i386.md: Ditto.
8565         * config/i386/mmx.md: Ditto.
8566         * config/i386/predicates.md: Ditto.
8567
8568 2007-01-22  Andreas Schwab  <schwab@suse.de>
8569
8570         * config/m68k/m68k.h: Fix comment.
8571
8572 2007-01-22  Jan Hubicka  <jh@suse.cz>
8573
8574         * passes.c (init_optimization_passes): Do not rerun
8575         pass_early_warn_uninitialized.
8576
8577 2007-01-22  Richard Guenther  <rguenther@suse.de>
8578
8579         PR tree-optimization/30038
8580         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8581         function.
8582         (execute_cse_sincos_1): Likewise.
8583         (execute_cse_sincos): Likewise.
8584         (gate_cse_sincos): Likewise.
8585         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8586         the cexpi() canonicalization of sincos().
8587         * tree-pass.h (pass_cse_sincos): Declare.
8588         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8589
8590 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8591
8592         PR rtl-optimization/29329
8593         * combine.c (replaced_rhs_insn): Rename to i2mod.
8594         (replaced_rhs_value): Rename to i2mod_new_rhs.
8595         (i2mod_old_rhs): New global variable.
8596         (combine_instructions): Adjust for above change.  Save a copy of
8597         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8598         note are substituted in the second instruction.
8599         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8600         ditch the note if it pertains to the second eliminated register
8601         and this register is mentioned in i2mod_old_rhs.
8602
8603         Revert:
8604         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8605
8606         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8607         the insn to which the note was originally attached.
8608
8609 2007-01-21  Jan Hubicka  <jh@suse.cz>
8610
8611         * ipa-inline.c (inlining_mode): Comment, move up.
8612         (cgraph_decide_inlining_incrementally): Do not perform inlining
8613         itself; fix handling of flattening of self recursive functions.
8614         (cgraph_find_cycles): Remove.
8615         (cgraph_flatten_node): Remove.
8616         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8617         (try_inline): New function.
8618         (cgraph_early_inlining): Update call of
8619         cgraph_decide_inlining_incrementally.  Apply inlining here.
8620         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8621
8622 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8623
8624         PR bootstrap/30511
8625         * tree-vrp.c (check_array_bounds): do not warn
8626         about ADDR_EXPR's of ARRAY_REF's which are immediately
8627         used in binary expressions.
8628
8629 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8630
8631         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8632         read_write_dep and macros for its access.
8633         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8634         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8635         argument, call vect_check_interleaving for every independent pair of
8636         data-refs. Mark loads that access the same memory location as a store
8637         in the loop.
8638         (vect_check_dependences): Remove.
8639         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8640         call, fix the call to vect_analyze_data_ref_dependence.
8641         (vect_analyze_data_ref_access): For statements that access the same
8642         data-ref, check that they are not stores; for loads, check that there
8643         is no store that access the same location.
8644
8645 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8646             Joseph Myers  <joseph@codesourcery.com>
8647
8648         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8649         (-fdump-rtl-stack): Likewise.
8650         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8651         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8652         (-mpt-fixed): Use @minus{} for minus sign.
8653         (Using Precompiled Headers): Fix under/overfull hbox.
8654
8655 2007-01-20  Jan Hubicka  <jh@suse.cz>
8656
8657         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8658         place within annotation.
8659
8660 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8661
8662         * pa.c (output_move_double): Change array size of xoperands to 4.
8663
8664 2007-01-20  Jan Hubicka  <jh@suse.cz>
8665
8666         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8667         as temporary.
8668
8669 2007-01-19  Ian Lance Taylor  <iant@google.com>
8670
8671         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8672         constant to unsigned HOST_WIDE_INT before negating.
8673
8674 2007-01-19  Ian Lance Taylor  <iant@google.com>
8675
8676         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8677         to unsigned.
8678         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8679         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8680         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8681         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8682         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8683         (realloc_vdef, realloc_vuse): Change second parameter to
8684         unsigned.
8685         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8686         fields to unsigned.
8687         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8688         unsigned. Change x and lim locals to unsigned.
8689         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8690         unsigned.
8691         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8692         (copy_virtual_operands): Change i and n locals to unsigned.
8693
8694 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8695
8696         PR middle-end/29335
8697         * builtins.c (fold_builtin_1): Handle builtin fdim.
8698
8699 2007-01-20  Jan Hubicka  <jh@suse.cz>
8700
8701         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8702         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8703         init_alias_heapvars.
8704         (init_alias_heapvars): Initialize only when not already initialized.
8705         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8706
8707 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8708
8709         * common.opt (fsigned-zeros): New command line option.
8710         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8711         of flag_unsafe_math_optimizations.
8712         * opts.c (set_fast_math_flags): The -ffast-math command line option
8713         implies -fno-signed-zeros.
8714         (fast_math_flags_set_p): Likewise.
8715
8716         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8717         the documentation of -ffast-math appropriately.  Wrap long lines.
8718
8719 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8720
8721         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8722         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8723
8724 2007-01-19  Tomas Bily  <tbily@suse.cz>
8725
8726         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8727         * tree-profile.c:
8728         (tree_init_ic_make_global_vars): New function
8729         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8730         (tree_gen_ic_profiler): New function
8731         (tree_gen_ic_func_profiler): New function
8732         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8733         (tree_profile_hooks): Added hook for indirec/virtual calls
8734         * value-prof.c (tree_find_values_to_profile): New case for
8735         indirect calls
8736         (tree_values_to_profile): Call for determining indirect/virtual
8737         counters
8738         (tree_indirect_call_to_profile): New function
8739         (tree_ic_transform): New function
8740         (tree_ic): New function
8741         (find_func_by_pid): New function
8742         (init_pid_map): New function
8743         (tree_value_profile_transformations): Added check for
8744         indirect/virtual call transformation
8745         * value-prof.h (enum hist_type): New counter type for
8746         indirect/virtual calls
8747         (profile_hooks): Added new hook for profiling indirect/virtual
8748         calls
8749         * profile.c (instrument_values): New case for indirect/virtual
8750         call added
8751         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8752         (GCOV_COUNTER_V_INDIR): New counter type
8753         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8754         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8755         call added
8756         * cgraph.c: Definition of cgraph_max_pid
8757         (cgraph_create_node): Default init of pid attribute
8758         * cgraph.h: Declaration of cgraph_max_pid
8759         (struct cgraph_node): Added pid attribute
8760         * libgcov.c (__gcov_indirect_call_profiler): New function
8761         (__gcov_one_value_profiler_body): New function
8762         (__gcov_one_value_profiler): Body was moved to
8763         __gcov_one_value_profiler_body and calls it
8764
8765 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8766
8767         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8768         * gengtype.c (write_types_data, write_func_for_structure,
8769         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8770         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8771         (walk_type, write_func_for_structure): Generate the mark_hook if
8772         needed.
8773
8774 2007-01-19  Jan Hubicka  <jh@suse.cz>
8775
8776         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8777         'early' argument take inlining mode argument specifying whether to
8778         inline for size/speeed or all functions; add support for flattening;
8779         improve dumpting.
8780         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8781
8782 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8783
8784         PR c++/17947
8785         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8786         the name of the declared identifier.
8787
8788 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8789
8790         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8791         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8792         duplicate evaluation.
8793
8794 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8795
8796         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8797         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8798         to XFMode, use acosxf2 and truncate result to requested mode.
8799         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8800         (asin<mode>2): Similarly, with asin expanders.
8801         (*fscalexf4_i387): Rename from *fscalexf4.
8802         (expNcorexf3): New expander.
8803         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8804         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8805         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8806         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8807         patterns for SSE math.
8808         (exp10<mode>2): Similarly, with exp10 expanders.
8809         (exp2<mode>2): Similarly, with exp2 expanders.
8810         (expm1<mode>2): Similarly, with expm1 expanders.
8811         (ldexp<mode>3): Similarly, with ldexp expanders.
8812         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8813         Use gen_truncxf<mode>2_i387_noop to truncate result.
8814
8815 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8816
8817         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8818         for ColdFire targets.
8819
8820 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8821             Richard Sandiford  <richard@codesourcery.com>
8822
8823         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8824         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8825         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8826         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8827         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8828         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8829
8830 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8831
8832         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8833         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8834         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8835         (*adddi_dilshr32_cf): New pattern.
8836         (adddi3, subdi3): Remove first alternatives.
8837
8838 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8839
8840         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8841         implemented using move.l, do not use its cc result for floating-point
8842         comparisons.
8843
8844 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8845
8846         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8847         from accepting 's' constraints if flag_pic.
8848
8849 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8850
8851         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8852         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8853         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8854         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8855
8856 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8857
8858         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8859         ColdFire alternatives.
8860         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8861         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8862         architectures that support ff1 instruction.
8863
8864 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8865             Julian Brown  <julian@codesourcery.com>
8866
8867         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8868         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8869         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8870         Add commentary.
8871
8872 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8873
8874         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8875         and return a bool.
8876         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8877         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8878         HOST_WIDE_INT instead of an rtx.
8879         (m68k_rtx_costs): Update call accordingly.
8880         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8881         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8882         Return a bool.
8883         (output_move_simode_const): Update calls after above changes.
8884         Rework to use automatic variables and predicates like MEM_P.
8885         * config/m68k/m68k.md (pushexthisi_const): Update call to
8886         valid_mov3q_const.
8887
8888 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8889
8890         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8891         in dump_flags test.
8892
8893 2007-01-19  Richard Guenther  <rguenther@suse.de>
8894
8895         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8896         via cexp in case sincos is not available.
8897
8898 2007-01-19  Richard Guenther  <rguenther@suse.de>
8899
8900         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8901         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8902         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8903         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8904         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8905         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8906         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8907         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8908
8909 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8910
8911         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8912         New insn patterns.
8913         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8914         (atan2xf3): Directly generate RTL pattern.
8915         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8916         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8917         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8918         disable patterns for SSE math.
8919         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8920         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8921         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8922         disable patterns for SSE math.
8923
8924 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8925
8926         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8927
8928 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8929
8930         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8931         VIEW_CONVERT_EXPR to the same type as it's operand.
8932
8933 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8934
8935         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8936         configured for long double 128.
8937
8938 2007-01-18  Mike Stump  <mrs@apple.com>
8939
8940         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8941         error.
8942
8943 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8944
8945         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8946         type correct.
8947
8948 2007-01-18  Jan Hubicka  <jh@suse.cz>
8949
8950         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8951         greater than NUM_VOP_FREE_BUCKETS.
8952
8953 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8954
8955         * tree-ssa-structalias.c: Update comments.
8956         (ptabitmap_obstack): Removed.
8957         (pta_obstack): New.
8958         (oldpta_obstack): Ditto.
8959         (stats): Add a few members.
8960         (struct variable_info): Remove node, complex, address_taken, and
8961         indirect_target members. Add oldsolution member.
8962         (new_var_info): Do not initialize removed members.
8963         (constraint_expr_type): Remove INCLUDES.
8964         (constraint_graph): Add size, implicit_preds, rep,
8965         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8966         (FIRST_REF_NODE): New macro.
8967         (LAST_REF_NODE): Ditto.
8968         (FIRST_ADDR_NODE): Ditto.
8969         (find): New function.
8970         (unite): Ditto.
8971         (dump_constraint): Do not handle INCLUDES.
8972         (insert_into_complex): Do not insert duplicate constraints.
8973         (condense_varmap_nodes): Renamed and rewritten into ...
8974         (merge_node_constraints): This. Also fix bug in handling of
8975         offseted copy constraints.
8976         (clear_edges_for_node): No longer need to deal with preds at all,
8977         or removing associated preds/succs.
8978         (merge_graph_nodes): Deal with indirect_cycles.
8979         Don't deal with predecessors.
8980         (add_implicit_graph_edge): New function.
8981         (add_pred_graph_edge): Ditto.
8982         (add_graph_edge): Don't deal with predecessors.
8983         (build_constraint_graph): Removed.
8984         (build_pred_graph): New function.
8985         (build_succ_graph): Ditto.
8986         (struct scc_info): Removed in_component. Added roots, dfs, and
8987         node_mapping. Remove visited_index, unification_queue.
8988         (scc_visit): Deal with union-find we do now.
8989         Deal with cycles with REF nodes.
8990         (collapse_nodes): Renamed and rewritten to ...
8991         (unify_nodes): This.
8992         (process_unification_queue): Removed.
8993         (topo_visit): Cleanup
8994         (do_da_constraint): Use find.
8995         (do_sd_constraint): Ditto.
8996         (do_ds_constraint): Ditto.
8997         (do_complex_constraint): Ditto.
8998         (init_scc_info): Update for removed and added members.
8999         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9000         (find_indirect_cycles): This.
9001         (equivalence_class): New variable.
9002         (label_visit): New function.
9003         (perform_variable_substitution): Rewritten.
9004         (free_var_substitution_info): New function.
9005         (find_equivalent_node): Ditto.
9006         (move_complex_constraints): Ditto.
9007         (eliminate_indirect_cycles): Ditto.
9008         (solve_graph): Only propagate changed bits.
9009         Use indirect cycle elimination.
9010         Use find.
9011         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9012         (tree_id_eq): Renamed to ...
9013         (tree_vi_eq): This. Update for member change
9014         (insert_id_for_tree): Renamed and rewritten to ...
9015         (insert_vi_for_tree): This.
9016         (lookup_id_for_tree): Renamed and rewritten to ...
9017         (lookup_vi_for_tree): This.
9018         (get_id_for_tree): Renamed and rewritten to ...
9019         (get_vi_for_tree): Ditto.
9020         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9021         (process_constraint): Don't handle INCLUDES.
9022         Remove special ADDRESSOF case.
9023         (find_func_aliases): Rewrite to use vi functions instead of id
9024         ones.
9025         (create_function_info_for): Ditto.
9026         (create_variable_info_for): Ditto.
9027         (intra_create_variable_infos): Ditto.
9028         (merge_smts_into): Ditto.
9029         (find_what_p_points_to): Ditto.
9030         (init_base_vars): Ditto.
9031         (init_alias_vars): Ditto.
9032         (remove_preds_and_fake_succs): New function.
9033         (dump_sa_points_to_info): Dump new stats.
9034         (dump_solution_for_var): Use find.
9035         (set_used_smts): Fix formatting.
9036         (compute_points_to_sets): Updated for new functions.
9037         (ipa_pta_execute): Ditto.
9038
9039 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9040             Richard Sandiford  <richard@codesourcery.com>
9041
9042         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9043         parallels.
9044         * calls.c (expand_call): If the return value is a PARALLEL,
9045         extract its first member.
9046         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9047         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9048         use FUNCTION_EXTRA_EPILOGUE.
9049         (m68k_function_value): Return a PARALLEL if the return value
9050         is of a pointer type.
9051         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9052         (FUNCTION_EXTRA_EPILOGUE): Remove.
9053         * config/m68k/m68k.md (D0_REG): New constant.
9054
9055 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9056
9057         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9058         output a NOP for empty epilogues.
9059
9060 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9061
9062         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9063         before function.  Extend register save check to include all
9064         registers, not just integer ones.
9065
9066 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9067
9068         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9069         (m68k_use_return_insn): ...this.
9070         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9071         * config/m68k/m68k.c (use_return_insn): Rename to...
9072         (m68k_use_return_insn): ...this.
9073         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9074         of USE_RETURN_INSN.
9075
9076 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9077
9078         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9079         nearest even, fix denormal rounding overflow.
9080
9081 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9082
9083         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9084         f%$smove and f%$move.
9085         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9086         (extendsfdf2_cf): Use fdmove instead of f%&move.
9087         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9088         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9089
9090 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9091
9092         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9093         GPR<-GPR moves.
9094
9095 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9096
9097         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9098         (coldfire_single_format): Declare.
9099         (coldfire_double_format): Likewise.
9100         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9101         of qnan_msb_set to determine the lower bits of a canonical
9102         NaN significand.
9103         (encode_ieee_double): Likewise.
9104         (encode_ieee_quad): Likewise.
9105         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9106         (mips_single_format): Likewise.
9107         (ieee_double_format): Likewise.
9108         (mips_double_format): Likewise.
9109         (ieee_extended_motorola_format): Likewise.
9110         (ieee_extended_intel_96_format): Likewise.
9111         (ieee_extended_intel_128_format): Likewise.
9112         (ieee_extended_intel_96_round_53_format): Likewise.
9113         (ibm_extended_format): Likewise.
9114         (mips_extended_format): Likewise.
9115         (ieee_quad_format): Likewise.
9116         (mips_quad_format): Likewise.
9117         (vax_f_format): Likewise.
9118         (vax_d_format): Likewise.
9119         (vax_g_format): Likewise.
9120         (i370_single_format): Likewise.
9121         (i370_double_format): Likewise.
9122         (decimal_single_format): Likewise.
9123         (decimal_double_format): Likewise.
9124         (decimal_quad_format): Likewise.
9125         (c4x_single_format): Likewise.
9126         (c4x_extended_format): Likewise.
9127         (real_internal_format): Likewise.
9128         (coldfire_single_format): New real_format.
9129         (coldfire_double_format): Likewise.
9130         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9131         canonical_nan_lsbs_set.
9132         (pdp11_d_format): Likewise.
9133         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9134         if TARGET_COLDFIRE_CPU.
9135
9136 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9137
9138         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9139         (output_call, m68k_legitimize_call_address): Declare.
9140         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9141         parenthesees.  Add support for a 'W' constraint.
9142         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9143         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9144         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9145         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9146         variables.
9147         (override_options): Initialize them.  Do not set flag_no_function_cse
9148         for TARGET_ID_SHARED_LIBRARY.
9149         (m68k_output_pic_call): Delete.
9150         (m68k_legitimize_call_address): New function.
9151         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9152         (output_call): New function.
9153         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9154         target address from the GOT if symbolic jumps are not allowed.
9155         * config/m68k/m68k.md (call, general_operand): Do not set
9156         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9157         Merge separate flag_pic and !flag_pic define_insns into...
9158         (*call, *call_value): ...these new patterns.  Match the address
9159         rather than the containing MEM and require it to be a call_operand.
9160         Use output_call to generate the asm template.
9161         * config/m68k/predicates.md (const_call_operand): New predicate.
9162         (call_operand): Likewise.
9163
9164 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9165
9166         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9167         (STACK_GROWS_DOWNWARD): Define to 1.
9168         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9169         comments, emphasizing that these values are only defaults.
9170         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9171         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9172
9173 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9174
9175         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9176
9177 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9178             Richard Sandiford  <richard@codesourcery.com>
9179
9180         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9181         (FP_REGNO_P): New macros.
9182         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9183         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9184         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9185         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9186
9187 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9188
9189         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9190         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9191         to $tmake_file.
9192         * config/m68k/t-floatlib: New file, extracting common code from...
9193         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9194         * config/m68k/t-uclinux: Here.
9195         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9196         routines on ColdFire targets.
9197
9198 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9199
9200         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9201         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9202         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9203         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9204         explicitly set MOTOROLA to 1.
9205         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9206
9207 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9208             Nathan Sidwell  <nathan@codesourcery.com>
9209
9210         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9211         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9212         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9213         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9214         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9215         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9216         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9217         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9218         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9219         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9220         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9221         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9222         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9223         (DBX_REGISTER_NUMBER): Delete.
9224         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9225         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9226         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9227
9228 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9229
9230         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9231         * config/flat.h: New file.
9232         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9233         OBJECT_FORMAT_FLAT.
9234         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9235         indirect references for -msep-data or -mid-shared-library.
9236         Do not use PC-relative code addresses either.
9237         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9238         to -mpcrel.
9239         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9240         for shared libraries and crt1.o for executables.  Use crti.o and
9241         crtbegin.o.
9242         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9243         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9244         Do not add -elf2flt or -shared-lib-id options here.
9245         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9246         Pass -shared-lib-id if -mid-shared-library, taking the library
9247         identifier from -mshared-library-id if given, otherwise
9248         defaulting to 0.
9249         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9250         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9251         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9252         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9253         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9254         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9255         and crtend.o.
9256         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9257         jump sequence for ISA A and ISA A+.
9258         (PICJUMP): Likewise.
9259
9260 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9261
9262         * config.gcc (m68k-*-uclinux*): Base the port on the common
9263         and m68k GNU/Linux files rather than on the generic ELF ones.
9264         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9265         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9266
9267 2007-01-18  Julian Brown  <julian@codesourcery.com>
9268             Richard Sandiford  <richard@codesourcery.com>
9269
9270         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9271         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9272         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9273         before redefining.
9274         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9275         80 unconditionally.
9276         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9277
9278 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9279
9280         * doc/install.texi: Document m68k-uclinuxoldabi.
9281         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9282         * config/m68k/uclinux-oldabi.h: New file, copied from
9283         config/m68k/uclinux.h.
9284
9285 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9286
9287         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9288         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9289         (m32r_compute_frame_size): Use unsigned for regno.
9290         (m32r_reload_lr): Use gen_frame_mem.
9291         (pop): New.
9292         (m32r_output_function_epilogue): Don't output the function epilogue
9293         textually here.
9294         (m32r_expand_epilogue): New.
9295         (direct_return): Return false if the function has the interrupt
9296         attribute.
9297         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9298         * config/m32r/m32r.md (epilogue): New expander.
9299         (return_lr, return_rte): New insns.
9300         (return): Make it expander.
9301         (return_normal): New expander.
9302
9303 2007-01-18  Josh Conner  <jconner@apple.com>
9304
9305         PR target/30485
9306         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9307         support for UNLE, UNLT, UNGE, and UNGT.
9308
9309 2007-01-18  Jan Hubicka  <jh@suse.cz>
9310
9311         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9312         * tree-tailcall (add_virtual_phis): Likewise.
9313         (optimize_tail_call): Return TODOs.
9314         (execute_tail_calls): Return TODOs.
9315         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9316         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9317         changed.
9318         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9319         Cleanup cfg using TODO.
9320         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9321         * passes.c (execute_function_todo): When cleanup did something, remove
9322         unused locals.
9323         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9324         (make_edges): Don't cleanup_cfg.
9325
9326 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9327
9328         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9329         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9330         operate on the top of stack.
9331         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9332         register handling of instructions that output to the second
9333         stack slot.
9334         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9335         (move_for_stack_reg): Special-case check for dead destination
9336         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9337
9338         * config/i386/i386.md (UNSPEC_TAN): New constant.
9339         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9340         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9341         to correctly model move of constant 1.0 to top stack slot.
9342         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9343         (unnamed peephole2 pattern): Remove corresponding peephole2
9344         pattern that optimizes tan insn and loading of constant 1.0.
9345         (tanxf2): Use fptanxf4_i387.
9346         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9347         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9348         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9349         disable patterns for SSE math.
9350         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9351         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9352
9353 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9354             Richard Guenther <rguenther@suse.de>
9355
9356         PR diagnostic/8268
9357         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9358         * common.opt (Warray-bounds): Add new warning option.
9359         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9360         if -Wall is given.
9361         * Makefile.in: make tree-vrp.o depend on toplev.h
9362         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9363         is enabled.
9364         (check_array_refs, check_array_bounds, check_array_ref): New.
9365
9366 2007-01-18  Jan Hubicka  <jh@suse.cz>
9367
9368         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9369         (execute_ssa_ccp): Return flags conditionally.
9370         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9371         changed.
9372         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9373
9374 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9375
9376         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9377         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9378
9379         * Makefile.c (GTFILES): Add cfglayout.h.
9380         * gengtype.c (open_base_files): Likewise.
9381         * cfglayout.c (cfg_layout_function_footer,
9382         cfg_layout_function_header) Reindent to make gengtype happy.
9383         * cfglayout.h (cfg_layout_function_footer,
9384         cfg_layout_function_header): Add GTY(()) marker.
9385
9386         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9387
9388 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9389
9390         * genautomata.c (write_automata): Include xstrerror output in the
9391         error message if writing the DFA description file fails.
9392
9393 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9394
9395         * config/mips/mips-protos.h (mips_output_external): Make it
9396         return void.
9397         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9398         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9399         (extern_list): Likewise.
9400         (extern_head): Likewise.
9401         (TARGET_ASM_FILE_END): Likewise.
9402         (mips_file_end): Likewise.
9403         (mips_output_external): Rewritten.
9404
9405 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9406
9407         * genpreds.c (write_insn_preds_c): Only write out the function
9408         body for regclass_for_constraint if we have register constraints.
9409
9410 2007-01-17  Tom Tromey  <tromey@redhat.com>
9411
9412         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9413         * doc/install.texi (Testing): Use sourceware.org.
9414         (Binaries): Likewise.
9415         (Specific): Likewise.
9416         * doc/contrib.texi (Contributors): Use sourceware.org.
9417
9418 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9419
9420         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9421         (AVR_ENHANCED): Rename to ...
9422         (AVR_HAVE_MUL): ... new.
9423         (avr_enhanced_p): Rename to ...
9424         (avr_have_mul_p): ... new.
9425         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9426         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9427         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9428         (avr_have_mul_p): ... new.
9429         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9430         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9431         'avr_enhanced_p' and 'enhanced'.
9432         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9433         AVR_HAVE_MUL instead of AVR_ENHANCED.
9434         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9435         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9436         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9437         instead of AVR_ENHANCED.
9438         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9439         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9440         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9441
9442 2007-01-17  Ian Lance Taylor  <iant@google.com>
9443
9444         * vec.h (VEC_reserve_exact): Define.
9445         (vec_gc_p_reserve_exact): Declare.
9446         (vec_gc_o_reserve_exact): Declare.
9447         (vec_heap_p_reserve_exact): Declare.
9448         (vec_heap_o_reserve_exact): Declare.
9449         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9450         versions.
9451         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9452         negative parameter.
9453         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9454         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9455         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9456         * vec.c (calculate_allocation): Add exact parameter.  Change all
9457         callers.
9458         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9459         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9460         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9461         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9462         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9463         (vec_heap_p_reserve_exact): New function.
9464         (vec_heap_o_reserve_exact): New function.
9465
9466 2007-01-17  Jan Hubicka  <jh@suse.cz>
9467
9468         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9469
9470 2007-01-17  Eric Christopher  <echristo@apple.com>
9471
9472         * config.gcc: Support core2 processor.
9473
9474 2007-01-16  Jan Hubicka  <jh@suse.cz>
9475
9476         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9477         the names, just unlink the chain so we don't crash on dangling pointers
9478         to dead SSA names.
9479
9480 2007-01-16  Jan Hubicka  <jh@suse.cz>
9481
9482         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9483         * tree-pass.h: Reorder to make IPA passes appear toegher.
9484         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9485         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9486         parameters, do not call early inliner.
9487         * ipa-inline.c: Update comments.  Include tree-flow.h
9488         (cgraph_decide_inlining): Do not compute inlining parameters.
9489         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9490         be called with function context set up.
9491         (pass_ipa_inline): Remove unreachable functions before pass.
9492         (cgraph_early_inlining): Simplify assuming to be called from the
9493         PM as local pass.
9494         (pass_early_inline): New pass.
9495         (cgraph_gate_ipa_early_inlining): New gate.
9496         (pass_ipa_early_inline): Turn into simple wrapper.
9497         (compute_inline_parameters): New function.
9498         (gate_inline_passes): New gate.
9499         (pass_inline_parameters): New pass.
9500         (apply_inline): Move here from tree-optimize.c
9501         (pass_apply_inline): New pass.
9502         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9503         transforming.
9504         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9505         doing them by hand.
9506         (tree_function_versioning): Do not allocate dummy struct function.
9507         * tree-inline.h (optimize_inline_calls): Update prototype.
9508         * tree-optimize.c (execute_fixup_cfg): Export.
9509         (pass_fixup_cfg): Remove
9510         (tree_rest_of_compilation): Do not apply inlines.
9511         * tree-flow.h (execute_fixup_cfg): Declare.
9512         * Makefile.in (gt-passes.c): New.
9513         * passes.c: Include gt-passes.h
9514         (init_optimization_passes): New passes.
9515         (nnodes, order): New static vars.
9516         (do_per_function_toporder): New function.
9517         (execute_one_pass): Dump current pass here.
9518         (execute_ipa_pass_list): Don't dump current pass here.
9519
9520 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9521
9522         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9523         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9524
9525 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9526
9527         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9528         (strong_alias): Define.
9529         (__gcc_qmul): Provide non-FMA for soft-float.
9530         (__gcc_qdiv): Same.
9531         (__gcc_qneg): New.
9532         (__gcc_qeq): New.
9533         (__gcc_qle): New.
9534         (__gcc_qge): New.
9535         (__gcc_qunord): New.
9536         (__gcc_stoq): New.
9537         (__gcc_dtoq): New.
9538         (__gcc_qtos): New.
9539         (__gcc_qtod): New.
9540         (__gcc_qtoi): New.
9541         (__gcc_qtou): New.
9542         (__gcc_itoq): New.
9543         (__gcc_utoq): New.
9544         (fmsub): New.
9545         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9546         soft-float functions.
9547         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9548         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9549         about long double soft float.
9550
9551 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9552             Tehila Meyzels  <tehila@il.ibm.com>
9553
9554         * tree-vectorizer.h (is_pattern_stmt_p): New.
9555         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9556         formatting (tabs instead of spaces). Cleanup and clarify setting
9557         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9558         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9559         (vectorizable_type_demotion): Check that types are integral.
9560         (vectorizable_type_promotion): Likewise.
9561         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9562         comments.
9563
9564 2007-01-16  Jan Hubicka  <jh@suse.cz>
9565
9566         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9567         cgraph edges too.
9568
9569 2007-01-15  Eric Christopher  <echristo@apple.com>
9570
9571         * ifcvt.c: Include vec.h, vecprim.h.
9572         (check_cond_move_block): New argument regs.
9573         Reorganize. Add registers used to regs.
9574         (cond_move_process_if_block): Use regs set above as
9575         loop bounds.
9576
9577 2007-01-15  Eric Christopher  <echristo@apple.com>
9578
9579         * config/darwin.h: Update copyright.
9580         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9581         (LINK_COMMAND_SPEC): Add -u.
9582         (LINK_SPEC): Fix umbrella for above.
9583
9584 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9585
9586         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9587         glibc CVS.
9588
9589 2007-01-15  Tom Tromey  <tromey@redhat.com>
9590
9591         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9592         * doc/install.texi (Testing): Don't mention jacks.
9593         (Configuration): Document --enable-java-maintainer-mode.  Move
9594         --with-java-home to libgcj-specific section.  Document
9595         --with-ecj-jar.
9596         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9597
9598 2007-01-15  Jan Hubicka  <jh@suse.cz>
9599
9600         * tree-ssa-dce.c (DCE_TODOs): New.
9601         (propagate_necessity): Return if something changed.
9602         (eliminate_unnecessary_stmts): Likewise.
9603         (perform_tree_ssa_dce): Return TODO flags when needed.
9604         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9605
9606 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9607
9608         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9609         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9610         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9611         patterns using X87MODEF12 mode macro.  Extend operand 1
9612         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9613         (log10<mode>2): Ditto.
9614         (log2<mode>2): Ditto.
9615         (log1p<mode>2): Ditto.
9616         (logb<mode>2): Ditto.
9617         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9618         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9619         (*fxtractxf3_i387): Rename from *fxtractxf3.
9620         (fxtract_extend<mode>xf3_i387): New insn pattern.
9621         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9622         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9623         and gen_fyl2xxf3_i387().
9624
9625 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9626
9627         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9628         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9629         get_loop_exit_edges.  Changed return type to bool.
9630         * cfgloop.h (fix_loop_placement): Declaration removed.
9631
9632 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9633
9634         * param.h (MIN_VECT_LOOP_BOUND): New.
9635         * params.def (MIN_VECT_LOOP_BOUND): New.
9636         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9637         argument - minimum threshold for number of iterations.
9638         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9639         argument to declaration.
9640         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9641         MIN_VECT_LOOP_BOUND.
9642         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9643         slpeel_tree_peel_loop_to_edge with additional argument.
9644         (vect_do_peeling_for_alignment): Likewise.
9645         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9646
9647 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9648
9649         PR target/30413
9650         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9651         operands of size 1.
9652
9653 2007-01-14  Jan Hubicka  <jh@suse.cz>
9654
9655         * tree-dfa.c (remove_referenced_var): New function.
9656         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9657         prune referenced vars list too.
9658         * tree-flow.h (remove_referenced_var): Declare.
9659
9660 2007-01-14  Jan Hubicka  <jh@suse.cz>
9661
9662         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9663         separately.
9664         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9665         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9666         * except.h (verify_eh_throw_table_statements): Kill prototype.
9667         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9668         into call exrepssions.
9669         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9670         eh trhow verifier.
9671         * tree-cfg.c: Include pointer-set.h.
9672         (verify_node_sharing): Work on pointer set.
9673         (verify_eh_throw_stmt_node): New.
9674         (verify_stmts): Use pointers sets, verify throw_stmt.
9675
9676 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9677
9678         * ipa-reference.c (analyze_function): Consider also addresses taken
9679         in phi nodes.
9680
9681 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9682
9683         * c-typeck.c (null_pointer_constant_p): Replace use of
9684         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9685         (build_c_cast): Likewise.
9686
9687 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9688
9689         * tree.h (force_fit_type_double): Remove unused final argument.
9690         * c-common.c (constant_expression_warning): Replace use of
9691         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9692         (convert_and_check): Likewise.
9693         (shorten_compare): Update call to force_fit_type_double.
9694         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9695         * convert.c (convert_to_pointer): Update call to
9696         force_fit_type_double.
9697         * fold-const.c (force_fit_type_double): Remove overflowed_const
9698         argument.
9699         (int_const_binop, fold_convert_const_int_from_int,
9700         fold_convert_const_int_from_real, fold_div_compare,
9701         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9702         fold_abs_const, fold_not_const): Remove the final argument from
9703         calls to force_fit_type_double.
9704
9705 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9706
9707         * configure.ac: Set insn to "nop" for spu-*-* also.
9708         * configure: Regenerate.
9709
9710 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9711
9712         * builtins.def : Add BUILT_IN_FREE.
9713
9714 2007-01-12  Jan Hubicka  <jh@suse.cz>
9715
9716         PR tree-optimization/30443
9717         * tree-inline.c (tree_function_versioning): Do not optimize when
9718         cloning for inlining.
9719
9720 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9721
9722         * doc/loop.texi: Document recording of loop exits.
9723         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9724         (update_single_exits_after_duplication,
9725         update_single_exit_for_duplicated_loop,
9726         update_single_exit_for_duplicated_loops): Removed.
9727         (duplicate_loop_to_header_edge): Do not call
9728         update_single_exits_after_duplication and
9729         update_single_exit_for_duplicated_loops.
9730         (loop_version): Do not update single_exit information.
9731         (fix_loop_structure): Use record_loop_exits instead of
9732         mark_single_exit_loops.
9733         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9734         the lists of loop exits.
9735         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9736         split_edge, merge_blocks): Update the lists of loop exits.
9737         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9738         loop_optimizer_init.
9739         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9740         of mark_single_exit_loops.
9741         (loop_optimizer_finalize): Call release_recorded_exits.
9742         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9743         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9744         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9745         update single exit information.
9746         * lambda-code.c (perfect_nestify): Ditto.
9747         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9748         (mark_single_exit_loops): Removed.
9749         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9750         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9751         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9752         functions.
9753         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9754         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9755         (verify_loop_structure): Verify consistency of the exit lists.
9756         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9757         (set_single_exit): Removed.
9758         * cfgloop.h (struct loop_exit): New function.
9759         (struct loop): single_exit_ field replaced by exits field.
9760         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9761         (struct loops): Added exits hash.
9762         (mark_single_exit_loops, set_single_exit): Declaration removed.
9763         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9764
9765 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9766
9767         * doc/invoke.texi: Avoid use of @headitem.
9768
9769 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9770
9771         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9772
9773 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9774
9775         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9776         list of targets.
9777
9778 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9779             Richard Sandiford  <richard@codesourcery.com>
9780
9781         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9782         * config/m68k/m68k.opt: Resort options.
9783         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9784
9785 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9786             Richard Sandiford  <richard@codesourcery.com>
9787
9788         * doc/invoke.texi: Document the macros that are defined by
9789         m68k's -mtune and -mhard-float options.
9790         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9791         (m68k_cpp_cpu_family): Likewise.
9792         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9793         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9794         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9795         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9796         (m68k_cpp_cpu_family): Likewise.
9797
9798 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9799
9800         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9801         macros besides mc68000 as tuning macros.  Use a switch statement
9802         to set them and mcpu32.
9803
9804 2007-01-12  Julian Brown  <julian@codesourcery.com>
9805
9806         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9807         (TARGET_68040_ONLY): Rename to...
9808         (TARGET_68040): ...this.
9809         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9810         * config/m68k/m68k.md: Likewise.
9811
9812 2007-01-12  Julian Brown  <julian@codesourcery.com>
9813             Nathan Sidwell  <nathan@codesourcery.com>
9814             Richard Sandiford  <richard@codesourcery.com>
9815
9816         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9817         the -mcpu= argument associated with the --with-cpu setting.
9818         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9819         if different from the one implied by the -mcpu setting.
9820         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9821         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9822         * doc/invoke.texi: Mention ColdFire in the introduction to the
9823         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9824         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9825         -mhard-float.  Document the previously-undocumented -m5206e,
9826         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9827         documentation for consistency.
9828         * doc/install.texi: Mention new --with-cpu arguments.
9829         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9830         default CPU if neither -mcpu nor -march are specified.
9831         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9832         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9833         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9834         using m68k_tune to decide between families that implement the
9835         same ISA.  Use m68k_tune to set __mcfv4e__.
9836         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9837         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9838         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9839         (FL_ISA_C, FL_ISA_MMU): New macros.
9840         (MASK_COLDFIRE): Delete.
9841         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9842         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9843         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9844         (TARGET_HARD_FLOAT): Do not define here.
9845         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9846         (TUNE_68000): New macro.
9847         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9848         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9849         (TUNE_CFV2): Redefine in terms of m68k_tune.
9850         (uarch_type, target_device, fpu_type): New enums.
9851         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9852         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9853         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9854         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9855         (FL_FOR_isa_c): New macros.
9856         (m68k_isa): New enum.
9857         (m68k_target_selection): New structure.
9858         (all_devices, all_isas, all_microarchs): New tables.
9859         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9860         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9861         (MASK_ALL_CPU_BITS): Delete.
9862         (m68k_find_selection): New function.
9863         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9864         Map the legacy target options to a combination of the new ones.
9865         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9866         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9867         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9868         settings.
9869         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9870         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9871         properties.
9872         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9873         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9874         * config/m68k/m68k-devices.def: New file.
9875
9876 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9877             Nathan Sidwell  <nathan@codesourcery.com>
9878
9879         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9880         (SUBTARGET_EXTRA_SPECS): New macros.
9881         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9882         use %(asm_cpu_spec) instead.
9883         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9884         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9885         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9886         (EXTRA_SPECS): Rename to...
9887         (SUBTARGET_EXTRA_SPECS): ...this.
9888
9889 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9890             Richard Sandiford  <richard@codesourcery.com>
9891             Julian Brown  <julian@codesourcery.com>
9892
9893         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9894         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9895         to the configuration's default CPU.
9896         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9897         Remove default masks.
9898         (m680[012]0-*-*): Set the default with_cpu to the first part of
9899         the target name.
9900         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9901         (m68k*-*-linux): Extend the --with-cpu handling to...
9902         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9903         and m68010.  Don't set target_cpu_default2.
9904         * doc/install.texi: Document --with-cpu for m68k.
9905         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9906         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9907         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9908         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9909         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9910         (ASM_SPEC): Remove use of %(asm_cpu_default).
9911         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9912         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9913         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9914         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9915         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9916         (TARGET_DEFAULT): Delete.
9917         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9918         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9919         (CPP_CPU_SPEC): Delete.
9920         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9921         the appropriate string.
9922         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9923         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9924         (ASM_SPEC): Don't use %(asm_default_spec).
9925         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9926         TARGET_DEFAULT and add MASK_68881.
9927         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9928
9929 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9930
9931         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9932         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9933         MASK_68010 alongside MASK_68020.
9934         * doc/invoke.texi: Document -m68010.
9935         * config/m68k/m68k.opt (m68010): New.
9936         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9937         if TUNE_68010.
9938         (TUNE_68010): New macro.
9939         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9940         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9941         (M68K_CPU_m68332): Add MASK_68010.
9942         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9943         fallback definition.
9944         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9945         defines.
9946         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9947         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9948         to all entries that use MASK_68020.
9949         (output_move_simode_const, output_move_himode, output_move_qimode)
9950         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9951         instead of TARGET_68020 to select clr behavior.  Remove comment
9952         about there being no TARGET_68010.
9953         * config/m68k/m68k.md: Likewise throughout.
9954
9955 2007-01-12  Julian Brown  <julian@codesourcery.com>
9956
9957         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9958         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9959         * config/m68k/m68k.md: Likewise.
9960
9961 2007-01-12  Julian Brown  <julian@codesourcery.com>
9962
9963         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9964         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9965
9966 2007-01-12  Julian Brown  <julian@codesourcery.com>
9967
9968         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9969         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9970         * config/m68k/m68k.md: Likewise.
9971
9972 2007-01-12  Julian Brown  <julian@codesourcery.com>
9973             Richard Sandiford  <richard@codesourcery.com>
9974
9975         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9976         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9977         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9978         TARGET_CPU32.
9979         (TARGET_CPU32): Rename to...
9980         (TUNE_CPU32): ...this.
9981         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9982         (TUNE_CFV2): New macros.
9983         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9984         remove conditions that are implied by TARGET_68020.
9985         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9986         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9987         (m68k_output_function_epilogue): Likewise.
9988         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9989         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9990         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9991         non-68000 timings.  Refactor multiplication and division costs.
9992         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9993         TUNE_CPU32 instead of TARGET_CPU32.
9994         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9995         and TUNE_68060 instead of TARGET_68060.
9996         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9997         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9998         TARGET_CPU32.
9999         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10000         && !TARGET_COLDFIRE" to choose between moveq and clr.
10001         Likewise in the unnamed movsf pattern.
10002         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10003         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10004         ashiftrt pattern.
10005
10006 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10007
10008         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10009         of tabbing before backslashes.
10010
10011 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10012
10013         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10014         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10015         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10016
10017 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10018
10019         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10020         find_interesting_uses_cond.
10021         (find_interesting_uses_cond): Use extract_cond_operands.
10022         (rewrite_use_compare): Use extract_cond_operands and
10023         force_gimple_operand_bsi.  Do not call update_stmt.
10024         (determine_use_iv_cost_condition): Use extract_cond_operands.
10025         Return cheaper of using original bound and changing the exit bound.
10026
10027 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10028
10029         PR tree-optimization/29516
10030         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10031         most_expensive_mult_to_index, addr_to_parts,
10032         create_mem_ref, maybe_fold_tmr): Make the type of
10033         fields of TARGET_MEM_REF sizetype.
10034         (move_fixed_address_to_symbol, move_pointer_to_base):
10035         New functions.
10036         * tree.def (TARGET_MEM_REF): Add comment on types of
10037         the operands.
10038
10039 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10040
10041         * c-common.c (vector_types_convertible_p): Treat opaque types as
10042         always convertible if they have the same size, but not otherwise.
10043
10044 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10045
10046         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10047         Remove the b_unconditional field.
10048         (noce_try_sign_mask): Do not look at b_unconditional.
10049         (noce_process_if_block): Do not use merge_if_blocks.  Update
10050         the CFG here.  Do not set b_unconditional.
10051         (cond_move_process_if_block): Likewise.
10052         (find_cond_trap): Likewise.
10053         (check_cond_move_block): Require simple jump insns at the end
10054         of the basic block.
10055
10056 2007-01-11  Jan Hubicka  <jh@suse.cz>
10057
10058         PR tree-optimization/1046
10059         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10060         when alias info is not ready.
10061         (pass_tail_recursion): Do not require aliasing.
10062         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10063         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10064         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10065         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10066         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10067         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10068         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10069         before inlining.
10070         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10071         When aliasing is not build, mark statement as volatile.
10072
10073 2007-01-11  Tom Tromey  <tromey@redhat.com>
10074
10075         PR preprocessor/15185, PR preprocessor/20989:
10076         * doc/cppopts.texi <-MT>: Update description of algorithm for
10077         computing default target.
10078         <-M, -MD>: Reword "basename" text.
10079
10080 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10081
10082         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10083         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10084         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10085         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10086         fold_builtin_bswap, real_constp, fold_builtin_pow,
10087         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10088         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10089         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10090         * convert.c (convert_to_pointer): Likewise.
10091         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10092         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10093         const_binop, fold_convert_const_int_from_int,
10094         fold_convert_const_int_from_real,
10095         fold_convert_const_real_from_real, sign_bit_p,
10096         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10097         fold_sign_changed_comparison, fold_unary, fold_comparison,
10098         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10099         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10100         * print-tree.c (print_node_brief, print_node): Likewise.
10101         * stor-layout.c (place_field, layout_type): Likewise.
10102         * tree-chrec.c (keep_cast): Likewise.
10103         * tree.c (build_vector, build_real, build_real_from_int_cst,
10104         build_complex): Likewise.
10105
10106 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10107
10108         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10109         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10110
10111 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10112
10113         * configure.ac (strict1_warn): Rename to strict_warn.
10114         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10115         cc_set_by_configure, quoted_cc_set_by_configure,
10116         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10117         all_boot_languages, all_stagestuff): Remove.
10118         (target_list): Remove bootstrap targets.
10119         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10120         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10121         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10122         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10123         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10124         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10125         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10126         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10127         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10128         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10129         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10130         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10131         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10132         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10133         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10134         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10135         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10136         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10137         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10138         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10139         (mostlyclean): Adjust.
10140         (clean, distclean): Don't mention bootstrap stuff.
10141         * configure: Regenerate.
10142         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10143         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10144         treelang/config-lang.in (stagestuff): Remove.
10145         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10146         stageprofile, stagefeedback, stagestuff): Remove mention.
10147
10148 2007-01-11  Nick Clifton  <nickc@redhat.com>
10149
10150         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10151         Accept CONSTs.
10152         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10153         (mcore_arith_K_S_operand): Run the test for the S constraint not
10154         the test for the M constraint.
10155         (mcore_addsub_operand): Do not accept integer values that are
10156         larger than 32 bits.
10157         * config/mcore/mcore.md: Remove unused constraints from split.
10158         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10159         (addsi3): Likewise.
10160         (allocate_stack): Likewise.
10161         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10162         operands to 32 bits.
10163         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10164         INTVAL.
10165         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10166         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10167         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10168         mcore_output_bclri, mcore_output_andn, output_inline_const,
10169         mcore_output_move, mcore_output_movedouble): Likewise.
10170         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10171         (output_inline_const): Likewise.
10172         (output_inline_const): Fix format strings used in sprintf
10173         statements.
10174         * config/mcore/mcore-protos.h: Update prototypes for changed
10175         functions in mcore.c.
10176         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10177         HOST_WIDE_INT and not int.
10178         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10179         CONST_OK_FOR_N): Likewise.
10180         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10181         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10182         an INTVAL.
10183
10184 2007-01-10  Jan Hubicka  <jh@suse.cz>
10185
10186         * tree-vrp.c (remove_range_assertions): Release defs.
10187         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10188         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10189
10190 2007-01-10  Paul Brook  <paul@codesourcery.com>
10191
10192         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10193         * config/arm/arm.md (mulsi3subsi): New insn.
10194
10195 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10196
10197         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10198         (tree_transform_and_unroll_loop): New.
10199         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10200         Declare.
10201
10202 2007-01-10  Robert Kennedy <jimbob@google.com>
10203
10204         * fold-const.c (fold_comparison): Fold comparisons like (x *
10205         1000 < 0) to (x < 0).
10206
10207 2007-01-10  Ian Lance Taylor  <iant@google.com>
10208
10209         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10210         operands have the same priority.
10211
10212 2007-01-10  Tom Tromey  <tromey@redhat.com>
10213
10214         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10215         (fold_binary): Likewise.
10216         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10217         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10218         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10219         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10220         * langhooks.h (struct lang_hooks): Removed field
10221         'can_use_bit_fields_p'.
10222
10223 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10224
10225         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10226
10227 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10228
10229         * function.c (get_last_funcdef_no): New function.
10230         * function.h (get_last_funcdef_no): Declare.
10231         * tree-inline.c (initialize_cfun): Add initialization.
10232         (tree_function_versioning): Cleanup.
10233
10234 2007-01-10  Jan Hubicka  <jh@suse.cz>
10235
10236         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10237         PHIs.
10238
10239 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10240             Ben Elliston  <bje@au.ibm.com>
10241
10242         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10243         for SAVE_NONLOCAL and Pmode for any other save level.
10244         * spu-protos.h (spu_restore_stack_block): Declare.
10245         * spu.md (save_stack_block): Remove.
10246         (restore_stack_block): Call spu_restore_stack_block.
10247         * spu.c (spu_restore_stack_block): New function.
10248         (spu_expand_epilogue): Remove old comment.
10249
10250 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10251
10252         PR tree-optimization/30322
10253         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10254         (cand_value_at): Return the value as aff_tree.
10255         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10256         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10257         aff_combination_mult): New functions.
10258         (aff_combination_add): Use aff_combination_add_cst.
10259         (aff_combination_convert): Allow conversions to a wider type.
10260         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10261         * tree-affine.h (aff_combination_mult): Declare.
10262
10263 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10264
10265         * doc/tm.texi: Update documentation to reflect reality of exec
10266         and start file search behaviours. Update copyright year.
10267         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10268         header file directories.
10269
10270 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10271
10272         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10273         (*cosxf2): Rename to cosxf2_i387.
10274         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10275         using X87MODEF12 mode macro. Rename patterns to
10276         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10277         for SSE math.
10278         (*cosdf2, *cossf2): Ditto.
10279         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10280         to match extended input operands.
10281         (sincos<mode>3): New expander.
10282         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10283         insn patterns and corresponding splitters.
10284
10285 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10286
10287         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10288         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10289
10290 2007-01-09  Nicolas Pitre  <nico@cam.org>
10291
10292         PR target/30173
10293         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10294
10295 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10296
10297         * target.h (struct gcc_target): New field library_rtti_comdat.
10298         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10299         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10300         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10301         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10302
10303 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10304
10305         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10306
10307 2007-01-08  Richard Guenther  <rguenther@suse.de>
10308
10309         * tree.h (force_fit_type_double): Export.
10310         (force_fit_type): Remove.
10311         * fold-const.c (force_fit_type_double): New function.
10312         (force_fit_type): Remove.
10313         (int_const_binop): Use it.
10314         (fold_convert_const_int_from_int): Likewise.
10315         (fold_convert_const_int_from_real): Likewise.
10316         (fold_div_compare): Likewise.
10317         (fold_sign_changed_comparison): Likewise.
10318         (fold_unary): Likewise.
10319         (fold_negate_const): Likewise.
10320         (fold_abs_const): Likewise.
10321         (fold_not_const): Likewise.
10322         * c-common.c (shorten_compare): Use force_fit_type_double.
10323         * convert.c (convert_to_pointer): Likewise.
10324
10325 2007-01-08  Richard Guenther  <rguenther@suse.de>
10326
10327         * tree.h (build_int_cst_wide_type): Export.
10328         * tree.c (build_int_cst_wide_type): New function.
10329         (build_int_cst_wide): Fix comment.
10330         * builtins.c (fold_builtin_object_size): Use build_int_cst
10331         to build -1 or 0 of the correct type.  Use fit_double_type
10332         to check for overflow.
10333         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10334         to build the mask.
10335         (decode_field_reference): Likewise.
10336         (all_ones_mask_p): Likewise.
10337         (native_interpret_int): Use build_int_cst_wide_type.
10338         (fold_binary): Use build_int_cst_type to build an all-ones
10339         value.
10340         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10341
10342 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10343
10344         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10345
10346 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10347
10348         * genautomata.c (STATS_OPTION): New option.
10349         (stats_flag): New flag.
10350         (gen_automata_option): Handle it.
10351         (initiate_automaton_gen): Ditto.
10352         (write_automata): Output statistics only if stats_flag is
10353         set. Likewise, output time statistics only if time_flag is set.
10354         * doc/md.texi (Processor pipeline description): Document new flag.
10355
10356 2007-01-08  Richard Guenther  <rguenther@suse.de>
10357
10358         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10359         * tree.c (build_int_cst_type): Likewise.
10360         (size_in_bytes): Don't call force_fit_type on the result.
10361         (int_fits_type_p): Use fit_double_type.
10362         * fold-const.c (fit_double_type): New function.
10363         (force_fit_type): Use it.
10364         * tree.h (fit_double_type): Export.
10365
10366 2007-01-08  Jan Hubicka  <jh@suse.cz>
10367
10368         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10369         * ipa.c (function_and_variable_visibility): Fix return type.
10370
10371 2007-01-08  Richard Guenther  <rguenther@suse.de>
10372
10373         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10374         of offset to build the index.
10375         * tree-pretty-print.c (dump_generic_node): Don't build negated
10376         const just for printing.
10377         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10378         * builtins.c (fold_builtin_int_roundingfn): Check if result
10379         fits the type by using force_fit_type and comparing the result.
10380         * predict.c (predict_loops): Use compare_tree_int for comparison.
10381         * tree.c (build_int_cst): Fall back to integer_type_node for
10382         NULL_TREE type.
10383         (build_int_cst_wide): Assert type is non-null.
10384
10385 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10386
10387         * tree-vrp.c (extract_range_from_cond_expr): New.
10388         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10389         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10390         as expressions.
10391         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10392         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10393         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10394         used as expressions.
10395         * tree-object-size.c (cond_expr_object_size): New.
10396         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10397
10398 2007-01-08  Jan Hubicka  <jh@suse.cz>
10399
10400         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10401         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10402         statement.
10403
10404 2007-01-08  Richard Guenther  <rguenther@suse.de>
10405
10406         PR tree-optimization/23603
10407         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10408         (extract_range_from_binary): Fall back to truthvalue instead of
10409         varying for TRUTH_*_EXPR.
10410         (extract_range_from_comparison): Fall back to truthvalue instead of
10411         varying.
10412         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10413         if all visited PHI values were constant.
10414
10415 2007-01-08  Jan Hubicka  <jh@suse.cz>
10416
10417         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10418         (cgraph_analyze_function): break out from ...
10419         (cgraph_finalize_compilation_unit): ... here.
10420         (cgraph_expand_function): Remove forgoten commented out line.
10421         (cgraph_optimize): Analyze functions.
10422
10423 2007-01-08  Jan Hubicka  <jh@suse.cz>
10424
10425         * tree-pas.h (TODO_remove_function): New flag.
10426         (TODO_update*): Renumber.
10427         (pass_ipa_increase_alignment,
10428         pass_ipa_function_and_variable_visibility): New passes.
10429         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10430         (cgraph_function_and_variable_visibility): Move to ipa.c
10431         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10432         cgraph_increase_alignment.
10433         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10434         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10435         calling tree-inline.
10436         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10437         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10438         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10439         (gate_increase_alignment): New function.
10440         (pass_ipa_increase_alignment): New pass.
10441         * ipa.c: Inline tree-pass.h and timevar.h
10442         (function_and_variable_visibility): Move here from cgraphunit.c
10443         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10444         * passes.c (init_optimization_passes): Add the two new passes.
10445         (execute_todo): Handle cgraph_remove_functions.
10446
10447 2007-01-08  Nick Clifton  <nickc@redhat.com>
10448
10449         * config/frv/predicates.md (reg_or_0_operand): Accept
10450         CONST_DOUBLEs.
10451
10452 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10453
10454         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10455         * config.gcc: Add bfin*-rtems*.
10456
10457 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10458
10459         * c.opt: Add -flax-vector-conversions.
10460         * c-typeck.c (convert_for_assignment): Pass flag to
10461         vector_types_convertible_p to allow emission of note.
10462         (digest_init): Likewise.
10463         * c-opts.c: Handle -flax-vector-conversions.
10464         * c-common.c (flag_lax_vector_conversions): New.
10465         (vector_types_convertible_p): Unless -flax-vector conversions
10466         has been passed, disallow conversions between vectors with
10467         differing numbers of subparts and/or element types.  If such
10468         a conversion is disallowed, possibly emit a note on the first
10469         occasion only to inform the user of -flax-vector-conversions.
10470         The new last argument specifies this.
10471         * c-common.h (flag_lax_vector_conversions): New.
10472         (vector_types_convertible_p): Add extra argument.
10473         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10474         char_type_node for V*QI type vectors.
10475         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10476         Update to satisfy new typechecking rules.
10477         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10478         C and C++ variants.
10479         * doc/invoke.texi (C Dialect Options): Document
10480         -flax-vector-conversions.
10481
10482 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10483
10484         PR tree-optimization/29877
10485         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10486         a register variable on the RHS to not be replaceable.
10487
10488 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10489         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10490         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10491         const_simm15, const_pow2, const_npow2): Added.
10492         * config/score/misc.md (insv, extv, extzv, movmemsi,
10493         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10494         * config/score/score.c (score_address_cost, score_select_cc_mode):
10495         Added.
10496         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10497         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10498         Update score_print_operand.
10499         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10500         Adjust register allocate order and update some macro define.
10501         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10502         mdx_block_move_straight, mdx_block_move_loop_head,
10503         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10504         mdx_block_move): Added.
10505         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10506         mdp_limm): Updated and fix some bug and typo.
10507         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10508         (movsf, movdf, doloop_end): Added.
10509
10510 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10511
10512         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10513         config/arm/thumb2.md: Fix comment typos.
10514         * doc/extend.texi: Fix a typo.
10515
10516 2007-01-07  Eric Christopher  <echristo@apple.com>
10517
10518         * configure.ac: Check for __stack_chk_fail for darwin.
10519         * configure: Regenerate.
10520
10521 2007-01-07  Richard Guenther  <rguenther@suse.de>
10522
10523         * tree-vrp.c (extract_range_from_assert): CSE calls to
10524         compare_values where possible.
10525         (extract_range_from_unary_expr): Likewise.
10526
10527 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10528
10529         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10530         * config/avr/avr.c (call_insn_operand): Delete function.
10531         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10532         instead of register number. Use predicates.
10533         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10534         call_insn_operand): Add.
10535
10536 2007-01-06  Jan Hubicka  <jh@suse.cz>
10537
10538         * tree-pass.h (pass_build_cgraph_edges): Declare.
10539         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10540         (visited_nodes): Remove.
10541         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10542         build_cgrpah_edges; make visited_nodes local.
10543         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10544         (record_references_in_initializer): Move to cgraphbuild.c
10545         (initialize_inline_failed, rebuild_cgraph_edges,
10546         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10547         (verify_cgraph_node): Make visited_nodes local.
10548         (cgraph_analyze_function): Do not call cgraph_create_edges and
10549         initialize_inline_failed.
10550         (cgraph_expand_function): Do not call cgraph_lower_function;
10551         assert that function is already lowered.
10552         * Makefile.in (cgraphbuild.o): New.
10553         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10554         at the end of lowering passes.
10555
10556 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10557
10558         * ifcvt.c (cond_move_convert_if_block): New function, code
10559         factored out from...
10560         (cond_move_process_if_block): ...here.  Call the new function
10561         on the THEN and ELSE blocks.
10562         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10563         already takes care of this.
10564
10565 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10566
10567         PR c/19978
10568         * tree.h (TREE_OVERFLOW_P): New.
10569         * c-typeck.c (parser_build_unary_op): Warn only if result
10570         overflowed and operands did not.
10571         (parser_build_binary_op): Likewise.
10572         (convert_for_assignment): Remove redundant overflow_warning.
10573         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10574
10575 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10576
10577         * c-typeck.c (store_init_value): Split over two lines to follow
10578         the GNU coding style.
10579
10580 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10581
10582         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10583         __GXX_EXPERIMENTAL_CXX0X__.
10584         * doc/cpp.texi: Same.
10585
10586 2007-01-05  Richard Guenther  <rguenther@suse.de>
10587
10588         PR middle-end/27826
10589         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10590         with mismatched types.  Instead explicitly build a
10591         conversion NOP_EXPR.
10592
10593 2007-01-05  Ian Lance Taylor  <iant@google.com>
10594
10595         * c-common.c (decl_with_nonnull_addr_p): New function.
10596         (c_common_truthvalue_conversion): Call it.
10597         * c-typeck.c (build_binary_op): Likewise.
10598         * c-common.h (decl_with_nonnull_addr_p): Declare.
10599
10600 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10601
10602         PR c/30360
10603         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10604         denom against 0.0.
10605
10606 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10607
10608         * doc/install.texi (Final install): Document the fact that
10609         the GNAT runtime should not be stripped.
10610
10611 2007-01-04  Jan Hubicka  <jh@suse.cz>
10612
10613         * tree-inline.c (fold_marked_statements): Update operand caches
10614         and EH after folding
10615
10616 2007-01-04  Ian Lance Taylor  <iant@google.com>
10617
10618         * c-common.c (check_function_nonnull): Whitespace fix.
10619
10620 2007-01-04  Jan Hubicka  <jh@suse.cz>
10621
10622         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10623         comitted older version of patch.
10624         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10625         function, celanup cfg and collect garbage.
10626
10627 2007-01-04  Mike Stump  <mrs@apple.com>
10628
10629         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10630         (clean): Likewise.
10631
10632 2007-01-04  Eric Christopher  <echristo@apple.com>
10633
10634         * libgcc2.c (__bswapsi2): Use SItype.
10635         (__bswapdi2): Use DItype.
10636         * libgcc2.h: Update for above.
10637
10638 2007-01-04  Paul Brook  <paul@codesourcery.com>
10639
10640         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10641         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10642         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10643         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10644         umulsi3_highpart): Make conditional on !arm_arch6.
10645         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10646         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10647         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10648         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10649         umulsi3_highpart_v6): New insns.
10650
10651 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10652
10653         * fold-const.c (fold_convert): When casting an expression to void,
10654         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10655         have a type.  Instead of attempting to build a NOP_EXPR, return
10656         these "special" trees directly.
10657
10658 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10659
10660         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10661         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10662         rs6000_cost->fp not 0 as adjustment for outer NEG.
10663
10664 2007-01-04  Jan Hubicka  <jh@suse.cz>
10665
10666         * cgraph.c (cgraph_release_function_body): New function.
10667         (cgraph_remove_node): Use it.
10668         * cgraph.h (cgraph_release_function_body): Declare.
10669         * cgraphunit.c (cgraph_expand_function): Use it.
10670         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10671         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10672         is initialized and while compilation of other function is running.
10673         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10674         statement CFG annotations from here to ...
10675         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10676
10677 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10678
10679         * cfgloop.h (enum li_flags): Make the constants powers of two.
10680
10681 2007-01-04  Jan Hubicka  <jh@suse.cz>
10682
10683         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10684         set.
10685         (fold_marked_statements): New function.
10686         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10687         * tree-inline.h (copy_body_data): Add statements_to_fold.
10688
10689 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10690
10691         * config.gcc: Mention libgcc/config.host.
10692         * Makefile.in: Update comments mentioning libgcc.
10693         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10694         (all.cross, start.encap, rest.encap, rest.cross): Update
10695         dependencies for libgcc move.
10696         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10697         (clean-target, clean-target-libgcc): Delete.
10698         (srcdirify, GCC_EXTRA_PARTS): New macros.
10699         (libgcc-support, libgcc.mvars): New rules.
10700         (distclean): Remove mention of mklibgcc.
10701         (install): Don't reference INSTALL_LIBGCC.
10702         (install-common): Don't reference EXTRA_PARTS.
10703         (install-libgcc, install-multilib): Delete rules.
10704         * mklibgcc.in: Delete file.
10705         * doc/configfiles.texi: Don't mention mklibgcc.
10706
10707         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10708         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10709         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10710         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10711         (mklibgcc, ldblspecs): Likewise.
10712
10713         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10714         (posixpre.def): Use $(T).
10715         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10716         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10717         (SHLIB_LINK): Make dummy.
10718         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10719
10720         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10721
10722         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10723         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10724         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10725         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10726
10727         * configure.ac (all_outputs): Remove mklibgcc.
10728         * configure: Regenerated.
10729
10730 2007-01-03  Josh Conner  <jconner@apple.com>
10731
10732         PR middle-end/29683
10733         * calls.c (compute_argument_addresses): Set stack and stack_slot
10734         for partial args, too.
10735         (store_one_arg): Use locate.size.constant for the size when
10736         generating a save_area.
10737
10738 2007-01-03  Robert Kennedy <jimbob@google.com>
10739
10740         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10741         whose definitions are deleted due to basic block merging.
10742
10743 2007-01-03  Paul Brook  <paul@codesourcery.com>
10744
10745         PR target/16634
10746         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10747         functions.
10748         (use_return_insn): Return 0 for Thumb interrupt functions.
10749         (print_multi_reg): Add rfe argument for IRQ returns.
10750         (arm_output_epilogue): Pop interrupt return address directly into PC.
10751         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10752
10753 2007-01-03  Paul Brook  <paul@codesourcery.com>
10754
10755         Merge from sourcerygxx-4_1.
10756         * config/arm/thumb2.md: New file.
10757         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10758         Thumb-2.
10759         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10760         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10761         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10762         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10763         tables.
10764         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10765         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10766         comptibility.
10767         * config/arm/ieee754-sf.S: Ditto.
10768         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10769         (thumb1_base_register_rtx_p): ... to this.
10770         (thumb_index_register_rtx_p): Rename...
10771         (thumb1_index_register_rtx_p): ... to this.
10772         (thumb_output_function_prologue): Rename...
10773         (thumb1_output_function_prologue): ... to this.
10774         (thumb_legitimate_address_p): Rename...
10775         (thumb1_legitimate_address_p): ... to this.
10776         (thumb_rtx_costs): Rename...
10777         (thumb1_rtx_costs): ... to this.
10778         (thumb_compute_save_reg_mask): Rename...
10779         (thumb1_compute_save_reg_mask): ... to this.
10780         (thumb_final_prescan_insn): Rename...
10781         (thumb1_final_prescan_insn): ... to this.
10782         (thumb_expand_epilogue): Rename...
10783         (thumb1_expand_epilogue): ... to this.
10784         (arm_unwind_emit_stm): Rename...
10785         (arm_unwind_emit_sequence): ... to this.
10786         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10787         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10788         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10789         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10790         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10791         thumb2_output_casesi): New functions.
10792         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10793         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10794         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10795         THUMB2_WORK_REGS): Define.
10796         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10797         arm_condexec_mask, arm_condexec_masklen)): New variables.
10798         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10799         (arm_override_options): Check new CPU capabilities.
10800         Set new architecture flag variables.
10801         (arm_isr_value): Handle v7m interrupt functions.
10802         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10803         Thumb-2.
10804         (const_ok_for_arm): Handle Thumb-2 constants.
10805         (arm_gen_constant): Ditto.  Use movw when available.
10806         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10807         functions.
10808         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10809         (thumb_find_work_register, arm_load_pic_register,
10810         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10811         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10812         print_multi_reg, output_mov_long_double_fpa_from_arm,
10813         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10814         output_mov_double_fpa_from_arm, output_move_double,
10815         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10816         output_return_instruction, arm_output_function_prologue,
10817         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10818         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10819         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10820         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10821         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10822         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10823         '!' and 'L'.
10824         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10825         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10826         (arm_file_start): Output directive for unified syntax.
10827         (arm_unwind_emit_set): Handle stack alignment instruction.
10828         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10829         Add v6t2, v7, v7a, v7r and v7m.
10830         (RETLDM): Add Thumb-2 code.
10831         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10832         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10833         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10834         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10835         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10836         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10837         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10838         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10839         ADJUST_INSN_LENGTH): Define.
10840         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10841         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10842         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10843         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10844         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10845         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10846         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10847         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10848         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10849         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10850         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10851         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10852         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10853         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10854         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10855         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10856         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10857         cortex-m3.
10858         * config/arm/arm-tune.md: Regenerate.
10859         * config/arm/arm-protos.h: Update prototypes.
10860         * config/arm/vfp.md: Enable patterns for Thumb-2.
10861         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10862         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10863         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10864         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10865         * config/arm/libunwind.S: Add Thumb-2 code.
10866         * config/arm/constraints.md: Update include Thumb-2.
10867         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10868         * config/arm/ieee754-df.S: Ditto.
10869         * config/arm/bpabi.S: Ditto.
10870         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10871         * config/arm/predicates.md (low_register_operand,
10872         low_reg_or_int_operand, thumb_16bit_operator): New.
10873         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10874         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10875         * config/arm/t-arm-elf: Add armv7 multilib.
10876         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10877         Include thumb2.md.
10878         (UNSPEC_STACK_ALIGN, ce_count): New.
10879         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10880         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10881         insns/expanders.
10882         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10883         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10884         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10885         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10886         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10887         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10888         insns.
10889         * doc/extend.texi: Document ARMv7-M interrupt functions.
10890         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10891
10892 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10893
10894         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10895         (struct _Unwind_Context): Rename args_size to flags, remove
10896         signal_frame field, add a new args_size field and version field.
10897         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10898         _Unwind_IsExtendedContext): New inline functions.
10899         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10900         Assume by_value array is only present if _Unwind_IsExtendedContext.
10901         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10902         _Unwind_IsSignalFrame.
10903         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10904         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10905         (uw_init_context_1): Initialize context->flags to
10906         EXTENDED_CONTEXT_BIT.
10907         * config/rs6000/linux-unwind.h (frob_update_context): Use
10908         _Unwind_SetSignalFrame.
10909
10910 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10911
10912         PR middle-end/30353
10913         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10914         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10915         the value.
10916
10917 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10918
10919         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10920         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10921         RET, AT_SP): Remove.
10922         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10923         instead of RET.
10924
10925         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10926         * cfgbuild.c (find_basic_blocks): Likewise.
10927         * cfgrtl.c (rtl_create_basic_block): Likewise.
10928         * function.c (temp_slots_at_level): Likewise.
10929         * reg-stack.c (stack_regs_mentioned): Likewise.
10930         * regclass.c (allocate_reg_info): Likewise.
10931         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10932         set_bb_for_stmt, move_block_to_fn): Likewise.
10933         * tree-complex.c (tree_lower_complex): Likewise.
10934         * vec.h (VEC_safe_grow_cleared): New.
10935
10936         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10937
10938 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10939
10940         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10941         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10942         to loop_version.
10943         * cfgloopmanip.c (scale_loop_frequencies): Export.
10944         (loopify): Scale the frequencies by prescribed coefficients.
10945         (set_zero_probability): New function.
10946         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10947         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10948         and frequencies according to arguments.
10949         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10950         correctly.
10951         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10952         * modulo-sched.c (sms_schedule): Set probabilities for entering
10953         versioned loop correctly.
10954         * tree-vect-transform.c (vect_transform_loop): Ditto.
10955         * cfgloop.h (loopify, loop_version): Declaration changed.
10956         (scale_loop_frequencies): Declared.
10957
10958 2007-01-02  Jan Hubicka  <jh@suse.cz>
10959
10960         * cgraph.c: Include tree-flow.h
10961         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10962         early_local_passes.
10963         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10964         * tree-pass.h (pass_all_early_optimizations): Declare.
10965         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10966         early_local_passes.
10967         (cgraph_analyze_function): Do early_local_passes.
10968         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10969         Do not add referenced vars.
10970         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10971         SSA form.
10972         (gate_all_early_local_passes): New gate.
10973         (pass_early_local_passes): Use new gate.
10974         (execute_early_local_optimizations): New functions.
10975         (gate_all_early_optimizations): New gate.
10976         (pass_all_early_optimizations): New pass.
10977         (execute_free_datastructures): Free SSA only when initialized.
10978         (gate_init_datastructures): Init only when optimizing.
10979         (tree_lowering_passes): Do early local passes when called late.
10980         * tree-profile.c (do_tree_profiling): Don't profile functions added
10981         late.
10982         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10983         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10984         not active.
10985         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10986         during early_local_passes.
10987         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10988
10989
10990 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10991
10992         * Makefile.in: Update copyright year.
10993
10994 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10995
10996         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10997         in $(lang_checks) and check-consistency targets.
10998
10999 2007-01-02  Jan Hubicka  <jh@suse.cz>
11000
11001         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11002         Do not add referenced vars.
11003         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11004         are not active.
11005         * passes.c (init_optimization_passes): Put mudflap_2 after
11006         free_datastructures.
11007
11008 2007-01-02  Jan Hubicka  <jh@suse.cz>
11009
11010         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11011         Set NOTHROW flag on call statements proved to be nothrow.
11012         Update statement of local calls so new pure/const functions are
11013         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11014         goto receivers.
11015         (tree_rest_of_compilation): Register hooks and initialize bitmap
11016         early. Do not set after_inlining flag.
11017
11018 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11019
11020         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11021         HOST_BITS_PER_LONGLONG
11022
11023 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11024
11025         PR c/19977
11026         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11027         warning for non-static initializers.
11028
11029 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11030
11031         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11032         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11033         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11034         Always use set_unique_reg_note to add REG_EQUAL notes.
11035
11036 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11037
11038         Revert:
11039         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11040
11041         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11042         * cfgbuild.c (find_basic_blocks): Likewise.
11043         * cfgrtl.c (rtl_create_basic_block): Likewise.
11044         * function.c (temp_slots_at_level): Likewise.
11045         * reg-stack.c (stack_regs_mentioned): Likewise.
11046         * regclass.c (allocate_reg_info): Likewise.
11047         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11048         set_bb_for_stmt, move_block_to_fn): Likewise.
11049         * tree-complex.c (tree_lower_complex): Likewise.
11050         * vec.h (VEC_safe_grow_cleared): New.
11051
11052 2007-01-02  Ian Lance Taylor  <iant@google.com>
11053
11054         * c-common.c (c_common_truthvalue_conversion): When warning about
11055         using an assignment as a truth value, set TREE_NO_WARNING.
11056
11057 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11058
11059         PR middle-end/7651
11060         * c.opt (Wold-style-declaration): New.
11061         * doc/invoke.texi (C-only Warning Options): New.
11062         (Wold-style-declaration): Document it.
11063         (Wextra): Enabled by -Wextra.
11064         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11065         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11066         -Wold-style-declaration.
11067
11068 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11069
11070         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11071         * cfgbuild.c (find_basic_blocks): Likewise.
11072         * cfgrtl.c (rtl_create_basic_block): Likewise.
11073         * function.c (temp_slots_at_level): Likewise.
11074         * reg-stack.c (stack_regs_mentioned): Likewise.
11075         * regclass.c (allocate_reg_info): Likewise.
11076         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11077         set_bb_for_stmt, move_block_to_fn): Likewise.
11078         * tree-complex.c (tree_lower_complex): Likewise.
11079         * vec.h (VEC_safe_grow_cleared): New.
11080
11081 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11082
11083         * c-common.c (c_common_nodes_and_builtins): Since variants of
11084         void_type_node get built before it is given a name, we need to
11085         give those variants the name, too.
11086         (complete_array_type): We need to work with the canonical main
11087         type of the array, from which we will build the qualified version.
11088         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11089         * print-tree.c (print_node): Display canonical type information
11090         for each type.
11091         * stor-layout.c (layout_type): When we don't know the
11092         alignment of a type for which we're building an array, we end up
11093         guessing wrong, so make the type require structural equality.
11094         * tree.c (make_node_stat): When we build a new type, it is its
11095         own canonical type.
11096         (build_type_attribute_qual_variant): When building an attribute
11097         variant, its canonical type is the non-attribute variant. However,
11098         if the attributes are target-dependent and they differ, we need to
11099         use structural equality checks for this type.
11100         (build_qualified_type): A qualified type is not equivalent to its
11101         unqualified variant; set the canonical type appropriately.
11102         (build_distinct_type_copy): When building a distinct type from
11103         another type, the new type is its own canonical type.
11104         (build_variant_type_copy): When building a new type variant, we
11105         assume that it is equivalent to the original type.
11106         (build_pointer_type_for_mode): When building a pointer type, also
11107         build a canonical type pointer.
11108         (build_reference_type_for_mode): When building a reference type,
11109         also build a canonical type reference.
11110         (build_index_type): When we can't hash an index type (e.g.,
11111         because its maximum value is negative), the index type requires
11112         structural equality tests.
11113         (build_array_type): Build the canonical form of an array type.
11114         (build_function_type): Function types require structural equality,
11115         because they contain default arguments, attributes, etc.
11116         (build_method_type_directly): Ditto for method types.
11117         (build_offset_type): Build the canonical offset type.
11118         (build_complex_type): Build the canonical vector type.
11119         (make_vector_type): Build the canonical vector type.
11120         * tree.h (TYPE_CANONICAL): New.
11121         (TYPE_STRUCTURAL_EQUALITY_P): New.
11122         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11123         (struct tree_type): Added "canonical" field.
11124         * params.h (VERIFY_CANONICAL_TYPES): New.
11125         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11126         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11127         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11128         * doc/invoke.texi (verify-canonical-types): Document --param
11129         parameter for verifying canonical types.
11130
11131 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11132
11133         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11134         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11135         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11136         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11137         tm_file.
11138         * config/rs6000/e500.h: New.
11139         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11140         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11141         Remove.
11142         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11143         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11144         TARGET_E500_DOUBLE): Remove.
11145         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11146         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11147         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11148         * config/rs6000/rs6000.c (rs6000_override_options): Use
11149         CHECK_E500_OPTIONS.
11150
11151 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11152
11153         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11154         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11155         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11156         rs6000_emit_cmove): Don't check TARGET_E500.
11157         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11158         sordered): Don't check TARGET_E500.
11159
11160 2007-01-01  Eric Christopher  <echristo@apple.com>
11161
11162         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11163         HARD_REGISTER_NUM_P.
11164
11165 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11166
11167         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11168         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11169         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11170         eq/ne Y".
11171
11172 2007-01-01  Mike Stump  <mrs@apple.com>
11173
11174         * configure.ac: Remove support for building with Apple's gcc-3.1.
11175
11176 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11177
11178         PR middle-end/30311
11179         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11180         REG is a hard register.  Do not modify REG before calling
11181         subreg_nregs.
11182         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11183         multiple of the size of YMODE for certain lowpart cases.
11184
11185 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11186
11187         PR middle-end/30253
11188         * gimplify (voidify_wrapper_expr): Update for
11189         GIMPLE_MODIFY_STMT.
11190
11191 2007-01-01  Andreas Schwab  <schwab@suse.de>
11192
11193         PR target/29166
11194         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11195         save of BR0 in extra_spill_size instead of spill_size.
11196         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11197         area.
11198         (ia64_expand_epilogue): Restore BR0 from its new location.
11199
11200 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11201
11202         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11203         Use a temporary variable if the left hand side is not a gimple
11204         register.
11205
11206 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11207
11208         * gimplify.c (gimplify_return_expr): Make the temporary variable
11209         for the return expression, a gimple register variable.
11210
11211 2007-01-01  Jan Hubicka  <jh@suse.cz>
11212
11213         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11214         INSN_LIST.
11215
11216 2007-01-01  Mike Stump  <mrs@apple.com>
11217
11218         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11219         .literal16.
11220         * config/darwin.c (machopic_select_rtx_section): Use
11221         HAVE_GAS_LITERAL16.
11222         (darwin_mergeable_constant_section): Likewise.
11223         * configure: Regenerate.
11224         * config.in: Regenerate.
11225
11226 2007-01-01  Jan Hubicka  <jh@suse.cz>
11227             Andrew Pinski  <pinskia@gmail.com>
11228
11229         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11230         before starting IPA passes.