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1 2007-01-15  Tom Tromey  <tromey@redhat.com>
2
3         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4         * doc/install.texi (Testing): Don't mention jacks.
5         (Configuration): Document --enable-java-maintainer-mode.  Move
6         --with-java-home to libgcj-specific section.  Document
7         --with-ecj-jar.
8         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9
10 2007-01-15  Jan Hubicka  <jh@suse.cz>
11
12         * tree-ssa-dce.c (DCE_TODOs): New.
13         (propagate_necessity): Return if something changed.
14         (eliminate_unnecessary_stmts): Likewise.
15         (perform_tree_ssa_dce): Return TODO flags when needed.
16         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
17
18 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
19
20         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
21         (fyl2x_extend<mode>xf3_i387): New insn pattern.
22         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
23         insn patterns using X87MODEF12 mode macro.  Extend operand 1
24         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
25         (log10<mode>2): Ditto.
26         (log2<mode>2): Ditto.
27         (log1p<mode>2): Ditto.
28         (logb<mode>2): Ditto.
29         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
30         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
31         (*fxtractxf3_i387): Rename from *fxtractxf3.
32         (fxtract_extend<mode>xf3_i387): New insn pattern.
33         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
34
35         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
36         and gen_fyl2xxf3_i387().
37
38 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
39
40         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
41         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
42         get_loop_exit_edges.  Changed return type to bool.
43         * cfgloop.h (fix_loop_placement): Declaration removed.
44
45 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
46
47         * param.h (MIN_VECT_LOOP_BOUND): New.
48         * params.def (MIN_VECT_LOOP_BOUND): New.
49         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
50         argument - minimum threshold for number of iterations. 
51         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
52         argument to declaration.
53         * tree-vect-analyze.c (vect_analyze_operations): Check value of 
54         MIN_VECT_LOOP_BOUND.
55         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
56         slpeel_tree_peel_loop_to_edge with additional argument.
57         (vect_do_peeling_for_alignment): Likewise.
58         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
59
60 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
61
62         PR target/30413
63         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
64         operands of size 1.
65
66 2007-01-14  Jan Hubicka  <jh@suse.cz>
67
68         * tree-dfa.c (remove_referenced_var): New function.
69         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
70         prune referenced vars list too.
71         * tree-flow.h (remove_referenced_var): Declare.
72
73 2007-01-14  Jan Hubicka  <jh@suse.cz>
74
75         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
76         separately.
77         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
78         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
79         * except.h (verify_eh_throw_table_statements): Kill prototype.
80         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
81         into call exrepssions.
82         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
83         eh trhow verifier.
84         * tree-cfg.c: Include pointer-set.h.
85         (verify_node_sharing): Work on pointer set.
86         (verify_eh_throw_stmt_node): New.
87         (verify_stmts): Use pointers sets, verify throw_stmt.
88
89 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
90
91         * ipa-reference.c (analyze_function): Consider also addresses taken
92         in phi nodes.
93
94 2007-01-12  Roger Sayle  <roger@eyesopen.com>
95
96         * c-typeck.c (null_pointer_constant_p): Replace use of
97         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
98         (build_c_cast): Likewise.
99
100 2007-01-12  Roger Sayle  <roger@eyesopen.com>
101
102         * tree.h (force_fit_type_double): Remove unused final argument.
103         * c-common.c (constant_expression_warning): Replace use of
104         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
105         (convert_and_check): Likewise.
106         (shorten_compare): Update call to force_fit_type_double.
107         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
108         * convert.c (convert_to_pointer): Update call to
109         force_fit_type_double.
110         * fold-const.c (force_fit_type_double): Remove overflowed_const
111         argument.
112         (int_const_binop, fold_convert_const_int_from_int,
113         fold_convert_const_int_from_real, fold_div_compare,
114         fold_sign_changed_comparison, fold_unary, fold_negate_const,
115         fold_abs_const, fold_not_const): Remove the final argument from
116         calls to force_fit_type_double.
117
118 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
119
120         * configure.ac: Set insn to "nop" for spu-*-* also.
121         * configure: Regenerate.
122
123 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
124
125         * builtins.def : Add BUILT_IN_FREE.
126         
127 2007-01-12  Jan Hubicka  <jh@suse.cz>
128
129         PR tree-optimization/30443
130         * tree-inline.c (tree_function_versioning): Do not optimize when
131         cloning for inlining.
132
133 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
134
135         * doc/loop.texi: Document recording of loop exits.
136         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
137         (update_single_exits_after_duplication,
138         update_single_exit_for_duplicated_loop,
139         update_single_exit_for_duplicated_loops): Removed.
140         (duplicate_loop_to_header_edge): Do not call
141         update_single_exits_after_duplication and
142         update_single_exit_for_duplicated_loops.
143         (loop_version): Do not update single_exit information.
144         (fix_loop_structure): Use record_loop_exits instead of
145         mark_single_exit_loops.
146         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
147         the lists of loop exits.
148         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
149         split_edge, merge_blocks): Update the lists of loop exits.
150         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
151         loop_optimizer_init.
152         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
153         of mark_single_exit_loops.
154         (loop_optimizer_finalize): Call release_recorded_exits.
155         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
156         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
157         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
158         update single exit information.
159         * lambda-code.c (perfect_nestify): Ditto.
160         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
161         (mark_single_exit_loops): Removed.
162         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
163         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
164         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
165         functions.
166         (get_loop_exit_edges, single_exit): Use recorded exit lists.
167         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
168         (verify_loop_structure): Verify consistency of the exit lists.
169         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
170         (set_single_exit): Removed.
171         * cfgloop.h (struct loop_exit): New function.
172         (struct loop): single_exit_ field replaced by exits field.
173         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
174         (struct loops): Added exits hash.
175         (mark_single_exit_loops, set_single_exit): Declaration removed.
176         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
177
178 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
179
180         * doc/invoke.texi: Avoid use of @headitem.
181
182 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
183
184         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
185
186 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
187
188         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
189         list of targets.
190
191 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
192             Richard Sandiford  <richard@codesourcery.com>
193
194         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
195         * config/m68k/m68k.opt: Resort options.
196         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
197
198 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
199             Richard Sandiford  <richard@codesourcery.com>
200
201         * doc/invoke.texi: Document the macros that are defined by
202         m68k's -mtune and -mhard-float options.
203         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
204         (m68k_cpp_cpu_family): Likewise.
205         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
206         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
207         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
208         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
209         (m68k_cpp_cpu_family): Likewise.
210
211 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
212
213         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
214         macros besides mc68000 as tuning macros.  Use a switch statement
215         to set them and mcpu32.
216
217 2007-01-12  Julian Brown  <julian@codesourcery.com>
218
219         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
220         (TARGET_68040_ONLY): Rename to...
221         (TARGET_68040): ...this.
222         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
223         * config/m68k/m68k.md: Likewise.
224
225 2007-01-12  Julian Brown  <julian@codesourcery.com>
226             Nathan Sidwell  <nathan@codesourcery.com>
227             Richard Sandiford  <richard@codesourcery.com>
228
229         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
230         the -mcpu= argument associated with the --with-cpu setting.
231         Define M68K_DEFAULT_TUNE to the default -mtune= option,
232         if different from the one implied by the -mcpu setting.
233         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
234         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
235         * doc/invoke.texi: Mention ColdFire in the introduction to the
236         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
237         -mno-div and -mhard-float options.  Make -m68881 a synonym for
238         -mhard-float.  Document the previously-undocumented -m5206e,
239         -m528x, -m5307 and -m5407 options.  Tweak the existing option
240         documentation for consistency.
241         * doc/install.texi: Mention new --with-cpu arguments.
242         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
243         default CPU if neither -mcpu nor -march are specified.
244         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
245         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
246         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
247         using m68k_tune to decide between families that implement the
248         same ISA.  Use m68k_tune to set __mcfv4e__.
249         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
250         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
251         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
252         (FL_ISA_C, FL_ISA_MMU): New macros.
253         (MASK_COLDFIRE): Delete.
254         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
255         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
256         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
257         (TARGET_HARD_FLOAT): Do not define here.
258         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
259         (TUNE_68000): New macro.
260         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
261         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
262         (TUNE_CFV2): Redefine in terms of m68k_tune.
263         (uarch_type, target_device, fpu_type): New enums.
264         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
265         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
266         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
267         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
268         (FL_FOR_isa_c): New macros.
269         (m68k_isa): New enum.
270         (m68k_target_selection): New structure.
271         (all_devices, all_isas, all_microarchs): New tables.
272         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
273         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
274         (MASK_ALL_CPU_BITS): Delete.
275         (m68k_find_selection): New function.
276         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
277         Map the legacy target options to a combination of the new ones.
278         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
279         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
280         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
281         settings.
282         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
283         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
284         properties.
285         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
286         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
287         * config/m68k/m68k-devices.def: New file.
288
289 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
290             Nathan Sidwell  <nathan@codesourcery.com>
291
292         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
293         (SUBTARGET_EXTRA_SPECS): New macros.
294         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
295         use %(asm_cpu_spec) instead.
296         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
297         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
298         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
299         (EXTRA_SPECS): Rename to...
300         (SUBTARGET_EXTRA_SPECS): ...this.
301
302 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
303             Richard Sandiford  <richard@codesourcery.com>
304             Julian Brown  <julian@codesourcery.com>
305
306         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
307         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
308         to the configuration's default CPU.
309         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
310         Remove default masks.
311         (m680[012]0-*-*): Set the default with_cpu to the first part of
312         the target name.
313         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
314         (m68k*-*-linux): Extend the --with-cpu handling to...
315         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
316         and m68010.  Don't set target_cpu_default2.
317         * doc/install.texi: Document --with-cpu for m68k.
318         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
319         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
320         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
321         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
322         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
323         (ASM_SPEC): Remove use of %(asm_cpu_default).
324         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
325         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
326         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
327         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
328         __HAVE_FPU__ if TARGET_HARD_FLOAT.
329         (TARGET_DEFAULT): Delete.
330         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
331         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
332         (CPP_CPU_SPEC): Delete.
333         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
334         the appropriate string.
335         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
336         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
337         (ASM_SPEC): Don't use %(asm_default_spec).
338         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
339         TARGET_DEFAULT and add MASK_68881.
340         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
341
342 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
343
344         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
345         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
346         MASK_68010 alongside MASK_68020.
347         * doc/invoke.texi: Document -m68010.
348         * config/m68k/m68k.opt (m68010): New.
349         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
350         if TUNE_68010.
351         (TUNE_68010): New macro.
352         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
353         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
354         (M68K_CPU_m68332): Add MASK_68010.
355         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
356         fallback definition.
357         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
358         defines.
359         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
360         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
361         to all entries that use MASK_68020.
362         (output_move_simode_const, output_move_himode, output_move_qimode)
363         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
364         instead of TARGET_68020 to select clr behavior.  Remove comment
365         about there being no TARGET_68010.
366         * config/m68k/m68k.md: Likewise throughout.
367
368 2007-01-12  Julian Brown  <julian@codesourcery.com>
369
370         * config/m68k/m68k.h (TARGET_ISAB): New macro.
371         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
372         * config/m68k/m68k.md: Likewise.
373
374 2007-01-12  Julian Brown  <julian@codesourcery.com>
375
376         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
377         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
378
379 2007-01-12  Julian Brown  <julian@codesourcery.com>
380
381         * config/m68k/m68k.h (TUNE_68040_60): New macro.
382         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
383         * config/m68k/m68k.md: Likewise.
384
385 2007-01-12  Julian Brown  <julian@codesourcery.com>
386             Richard Sandiford  <richard@codesourcery.com>
387
388         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
389         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
390         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
391         TARGET_CPU32.
392         (TARGET_CPU32): Rename to...
393         (TUNE_CPU32): ...this.
394         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
395         (TUNE_CFV2): New macros.
396         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
397         remove conditions that are implied by TARGET_68020.
398         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
399         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
400         (m68k_output_function_epilogue): Likewise.
401         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
402         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
403         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
404         non-68000 timings.  Refactor multiplication and division costs.
405         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
406         TUNE_CPU32 instead of TARGET_CPU32.
407         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
408         and TUNE_68060 instead of TARGET_68060.
409         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
410         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
411         TARGET_CPU32.
412         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
413         && !TARGET_COLDFIRE" to choose between moveq and clr.
414         Likewise in the unnamed movsf pattern.
415         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
416         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
417         ashiftrt pattern.
418
419 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
420
421         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
422         of tabbing before backslashes.
423
424 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
425
426         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
427         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
428         (ASM_OUTPUT_INTERNAL_LABEL): Define.
429
430 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
431
432         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
433         find_interesting_uses_cond.
434         (find_interesting_uses_cond): Use extract_cond_operands.
435         (rewrite_use_compare): Use extract_cond_operands and
436         force_gimple_operand_bsi.  Do not call update_stmt.
437         (determine_use_iv_cost_condition): Use extract_cond_operands.
438         Return cheaper of using original bound and changing the exit bound.
439
440 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
441
442         PR tree-optimization/29516
443         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
444         most_expensive_mult_to_index, addr_to_parts,
445         create_mem_ref, maybe_fold_tmr): Make the type of
446         fields of TARGET_MEM_REF sizetype.
447         (move_fixed_address_to_symbol, move_pointer_to_base):
448         New functions.
449         * tree.def (TARGET_MEM_REF): Add comment on types of
450         the operands.
451
452 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
453
454         * c-common.c (vector_types_convertible_p): Treat opaque types as
455         always convertible if they have the same size, but not otherwise.
456
457 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
458
459         * ifcvt.c (struct noce_if_info): Add comments to the fields.
460         Remove the b_unconditional field.
461         (noce_try_sign_mask): Do not look at b_unconditional.
462         (noce_process_if_block): Do not use merge_if_blocks.  Update
463         the CFG here.  Do not set b_unconditional.
464         (cond_move_process_if_block): Likewise.
465         (find_cond_trap): Likewise.
466         (check_cond_move_block): Require simple jump insns at the end
467         of the basic block.
468
469 2007-01-11  Jan Hubicka  <jh@suse.cz>
470
471         PR tree-optimization/1046
472         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
473         when alias info is not ready.
474         (pass_tail_recursion): Do not require aliasing.
475         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
476         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
477         * tree-ssa-copy.c (pass_copy_prop): Likewise.
478         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
479         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
480         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
481         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
482         before inlining.
483         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
484         When aliasing is not build, mark statement as volatile.
485
486 2007-01-11  Tom Tromey  <tromey@redhat.com>
487
488         PR preprocessor/15185, PR preprocessor/20989:
489         * doc/cppopts.texi <-MT>: Update description of algorithm for
490         computing default target.
491         <-M, -MD>: Reword "basename" text.
492
493 2007-01-11  Roger Sayle  <roger@eyesopen.com>
494
495         * builtins.c (expand_builtin_pow, expand_builtin_powi,
496         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
497         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
498         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
499         fold_builtin_bswap, real_constp, fold_builtin_pow,
500         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
501         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
502         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
503         * convert.c (convert_to_pointer): Likewise.
504         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
505         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
506         const_binop, fold_convert_const_int_from_int,
507         fold_convert_const_int_from_real,
508         fold_convert_const_real_from_real, sign_bit_p,
509         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
510         fold_sign_changed_comparison, fold_unary, fold_comparison,
511         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
512         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
513         * print-tree.c (print_node_brief, print_node): Likewise.
514         * stor-layout.c (place_field, layout_type): Likewise.
515         * tree-chrec.c (keep_cast): Likewise.
516         * tree.c (build_vector, build_real, build_real_from_int_cst,
517         build_complex): Likewise.
518
519 2007-01-11  Roger Sayle  <roger@eyesopen.com>
520
521         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
522         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
523
524 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
525
526         * configure.ac (strict1_warn): Rename to strict_warn.
527         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
528         cc_set_by_configure, quoted_cc_set_by_configure,
529         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
530         all_boot_languages, all_stagestuff): Remove.
531         (target_list): Remove bootstrap targets.
532         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
533         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
534         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
535         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
536         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
537         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
538         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
539         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
540         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
541         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
542         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
543         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
544         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
545         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
546         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
547         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
548         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
549         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
550         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
551         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
552         (mostlyclean): Adjust.
553         (clean, distclean): Don't mention bootstrap stuff.
554         * configure: Regenerate.
555         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
556         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
557         treelang/config-lang.in (stagestuff): Remove.
558         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
559         stageprofile, stagefeedback, stagestuff): Remove mention.
560
561 2007-01-11  Nick Clifton  <nickc@redhat.com>
562
563         * config/mcore/predicates.md (mcore_general_movesrc_operand):
564         Accept CONSTs.
565         (mcore_general_movdst_operand): Do not accept CONST_INTs.
566         (mcore_arith_K_S_operand): Run the test for the S constraint not
567         the test for the M constraint.
568         (mcore_addsub_operand): Do not accept integer values that are
569         larger than 32 bits.
570         * config/mcore/mcore.md: Remove unused constraints from split.
571         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
572         (addsi3): Likewise.
573         (allocate_stack): Likewise.
574         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
575         operands to 32 bits.
576         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
577         INTVAL.
578         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
579         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
580         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
581         mcore_output_bclri, mcore_output_andn, output_inline_const,
582         mcore_output_move, mcore_output_movedouble): Likewise.
583         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
584         (output_inline_const): Likewise.
585         (output_inline_const): Fix format strings used in sprintf
586         statements.
587         * config/mcore/mcore-protos.h: Update prototypes for changed
588         functions in mcore.c.
589         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
590         HOST_WIDE_INT and not int.
591         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
592         CONST_OK_FOR_N): Likewise.
593         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
594         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
595         an INTVAL.
596
597 2007-01-10  Jan Hubicka  <jh@suse.cz>
598
599         * tree-vrp.c (remove_range_assertions): Release defs.
600         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
601         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
602
603 2007-01-10  Paul Brook  <paul@codesourcery.com>
604
605         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
606         * config/arm/arm.md (mulsi3subsi): New insn.
607
608 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
609
610         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
611         (tree_transform_and_unroll_loop): New.
612         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
613         Declare.
614
615 2007-01-10  Robert Kennedy <jimbob@google.com>
616
617         * fold-const.c (fold_comparison): Fold comparisons like (x *
618         1000 < 0) to (x < 0).
619
620 2007-01-10  Ian Lance Taylor  <iant@google.com>
621
622         * tree-pretty-print.c (dump_generic_node): Print parentheses when
623         operands have the same priority.
624
625 2007-01-10  Tom Tromey  <tromey@redhat.com>
626
627         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
628         (fold_binary): Likewise.
629         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
630         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
631         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
632         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
633         * langhooks.h (struct lang_hooks): Removed field
634         'can_use_bit_fields_p'.
635
636 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
637
638         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
639
640 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
641
642         * function.c (get_last_funcdef_no): New function.
643         * function.h (get_last_funcdef_no): Declare. 
644         * tree-inline.c (initialize_cfun): Add initialization.
645         (tree_function_versioning): Cleanup.
646         
647 2007-01-10  Jan Hubicka  <jh@suse.cz>
648
649         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
650         PHIs.
651
652 2007-01-10  Sa Liu  <saliu@de.ibm.com>
653             Ben Elliston  <bje@au.ibm.com>
654
655         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
656         for SAVE_NONLOCAL and Pmode for any other save level.
657         * spu-protos.h (spu_restore_stack_block): Declare.
658         * spu.md (save_stack_block): Remove.
659         (restore_stack_block): Call spu_restore_stack_block.
660         * spu.c (spu_restore_stack_block): New function.
661         (spu_expand_epilogue): Remove old comment.
662
663 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
664
665         PR tree-optimization/30322
666         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
667         (cand_value_at): Return the value as aff_tree.
668         (may_eliminate_iv): Convert the bound from aff_tree to tree.
669         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
670         aff_combination_mult): New functions.
671         (aff_combination_add): Use aff_combination_add_cst.
672         (aff_combination_convert): Allow conversions to a wider type.
673         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
674         * tree-affine.h (aff_combination_mult): Declare.
675
676 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
677
678         * doc/tm.texi: Update documentation to reflect reality of exec
679         and start file search behaviours. Update copyright year.
680         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
681         header file directories.
682
683 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
684
685         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
686         (*cosxf2): Rename to cosxf2_i387.
687         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
688         using X87MODEF12 mode macro. Rename patterns to
689         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
690         for SSE math.
691         (*cosdf2, *cossf2): Ditto.
692         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
693         to match extended input operands.
694         (sincos<mode>3): New expander.
695         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
696         insn patterns and corresponding splitters.
697
698 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
699
700         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
701         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
702
703 2007-01-09  Nicolas Pitre  <nico@cam.org>
704
705         PR target/30173
706         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
707
708 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
709
710         * target.h (struct gcc_target): New field library_rtti_comdat.
711         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
712         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
713         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
714         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
715
716 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
717
718         * doc/invoke.texi (Optimize Options): Correct description of -O0.
719
720 2007-01-08  Richard Guenther  <rguenther@suse.de>
721
722         * tree.h (force_fit_type_double): Export.
723         (force_fit_type): Remove.
724         * fold-const.c (force_fit_type_double): New function.
725         (force_fit_type): Remove.
726         (int_const_binop): Use it.
727         (fold_convert_const_int_from_int): Likewise.
728         (fold_convert_const_int_from_real): Likewise.
729         (fold_div_compare): Likewise.
730         (fold_sign_changed_comparison): Likewise.
731         (fold_unary): Likewise.
732         (fold_negate_const): Likewise.
733         (fold_abs_const): Likewise. 
734         (fold_not_const): Likewise.
735         * c-common.c (shorten_compare): Use force_fit_type_double.
736         * convert.c (convert_to_pointer): Likewise.
737
738 2007-01-08  Richard Guenther  <rguenther@suse.de>
739
740         * tree.h (build_int_cst_wide_type): Export.
741         * tree.c (build_int_cst_wide_type): New function.
742         (build_int_cst_wide): Fix comment.
743         * builtins.c (fold_builtin_object_size): Use build_int_cst
744         to build -1 or 0 of the correct type.  Use fit_double_type
745         to check for overflow.
746         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
747         to build the mask.
748         (decode_field_reference): Likewise.
749         (all_ones_mask_p): Likewise.
750         (native_interpret_int): Use build_int_cst_wide_type.
751         (fold_binary): Use build_int_cst_type to build an all-ones
752         value.
753         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
754
755 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
756
757         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
758
759 2007-01-09  Ben Elliston  <bje@au.ibm.com>
760
761         * genautomata.c (STATS_OPTION): New option.
762         (stats_flag): New flag.
763         (gen_automata_option): Handle it.
764         (initiate_automaton_gen): Ditto.
765         (write_automata): Output statistics only if stats_flag is
766         set. Likewise, output time statistics only if time_flag is set.
767         * doc/md.texi (Processor pipeline description): Document new flag.
768
769 2007-01-08  Richard Guenther  <rguenther@suse.de>
770
771         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
772         * tree.c (build_int_cst_type): Likewise.
773         (size_in_bytes): Don't call force_fit_type on the result.
774         (int_fits_type_p): Use fit_double_type.
775         * fold-const.c (fit_double_type): New function.
776         (force_fit_type): Use it.
777         * tree.h (fit_double_type): Export.
778
779 2007-01-08  Jan Hubicka  <jh@suse.cz>
780
781         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
782         * ipa.c (function_and_variable_visibility): Fix return type.
783
784 2007-01-08  Richard Guenther  <rguenther@suse.de>
785
786         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
787         of offset to build the index.
788         * tree-pretty-print.c (dump_generic_node): Don't build negated
789         const just for printing.
790         * c-pretty-print.c (pp_c_integer_constant): Likewise.
791         * builtins.c (fold_builtin_int_roundingfn): Check if result
792         fits the type by using force_fit_type and comparing the result.
793         * predict.c (predict_loops): Use compare_tree_int for comparison.
794         * tree.c (build_int_cst): Fall back to integer_type_node for
795         NULL_TREE type.
796         (build_int_cst_wide): Assert type is non-null.
797
798 2007-01-08  Roberto Costa  <roberto.costa@st.com>
799
800         * tree-vrp.c (extract_range_from_cond_expr): New.
801         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
802         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
803         as expressions.
804         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
805         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
806         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
807         used as expressions.
808         * tree-object-size.c (cond_expr_object_size): New.
809         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
810
811 2007-01-08  Jan Hubicka  <jh@suse.cz>
812
813         * tree-ssa-forwprop.c (forward_propagate_into_cond,
814         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
815         statement.
816
817 2007-01-08  Richard Guenther  <rguenther@suse.de>
818
819         PR tree-optimization/23603
820         * tree-vrp.c (set_value_range_to_truthvalue): New function.
821         (extract_range_from_binary): Fall back to truthvalue instead of
822         varying for TRUTH_*_EXPR.
823         (extract_range_from_comparison): Fall back to truthvalue instead of
824         varying.
825         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
826         if all visited PHI values were constant.
827
828 2007-01-08  Jan Hubicka  <jh@suse.cz>
829
830         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
831         (cgraph_analyze_function): break out from ...
832         (cgraph_finalize_compilation_unit): ... here.
833         (cgraph_expand_function): Remove forgoten commented out line.
834         (cgraph_optimize): Analyze functions.
835
836 2007-01-08  Jan Hubicka  <jh@suse.cz>
837
838         * tree-pas.h (TODO_remove_function): New flag.
839         (TODO_update*): Renumber.
840         (pass_ipa_increase_alignment,
841         pass_ipa_function_and_variable_visibility): New passes.
842         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
843         (cgraph_function_and_variable_visibility): Move to ipa.c
844         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
845         cgraph_increase_alignment.
846         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
847         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
848         calling tree-inline.
849         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
850         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
851         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
852         (gate_increase_alignment): New function.
853         (pass_ipa_increase_alignment): New pass.
854         * ipa.c: Inline tree-pass.h and timevar.h
855         (function_and_variable_visibility): Move here from cgraphunit.c
856         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
857         * passes.c (init_optimization_passes): Add the two new passes.
858         (execute_todo): Handle cgraph_remove_functions.
859
860 2007-01-08  Nick Clifton  <nickc@redhat.com>
861
862         * config/frv/predicates.md (reg_or_0_operand): Accept
863         CONST_DOUBLEs.
864
865 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
866
867         * config/bfin/rtems.h, config/bfin/t-rtems: New.
868         * config.gcc: Add bfin*-rtems*.
869
870 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
871
872         * c.opt: Add -flax-vector-conversions.
873         * c-typeck.c (convert_for_assignment): Pass flag to
874         vector_types_convertible_p to allow emission of note.
875         (digest_init): Likewise.
876         * c-opts.c: Handle -flax-vector-conversions.
877         * c-common.c (flag_lax_vector_conversions): New.
878         (vector_types_convertible_p): Unless -flax-vector conversions
879         has been passed, disallow conversions between vectors with
880         differing numbers of subparts and/or element types.  If such
881         a conversion is disallowed, possibly emit a note on the first
882         occasion only to inform the user of -flax-vector-conversions.
883         The new last argument specifies this.
884         * c-common.h (flag_lax_vector_conversions): New.
885         (vector_types_convertible_p): Add extra argument.
886         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
887         char_type_node for V*QI type vectors.
888         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
889         Update to satisfy new typechecking rules.
890         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
891         C and C++ variants.
892         * doc/invoke.texi (C Dialect Options): Document
893         -flax-vector-conversions.
894
895 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
896
897         PR tree-optimization/29877
898         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
899         a register variable on the RHS to not be replaceable.
900
901 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
902         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
903         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
904         const_simm15, const_pow2, const_npow2): Added.
905         * config/score/misc.md (insv, extv, extzv, movmemsi, 
906         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
907         * config/score/score.c (score_address_cost, score_select_cc_mode): 
908         Added.
909         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
910         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
911         Update score_print_operand.
912         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
913         Adjust register allocate order and update some macro define.
914         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
915         mdx_block_move_straight, mdx_block_move_loop_head,
916         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
917         mdx_block_move): Added.
918         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
919         mdp_limm): Updated and fix some bug and typo.
920         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
921         (movsf, movdf, doloop_end): Added.
922
923 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
924
925         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
926         config/arm/thumb2.md: Fix comment typos.
927         * doc/extend.texi: Fix a typo.
928
929 2007-01-07  Eric Christopher  <echristo@apple.com>
930
931         * configure.ac: Check for __stack_chk_fail for darwin.
932         * configure: Regenerate.
933
934 2007-01-07  Richard Guenther  <rguenther@suse.de>
935
936         * tree-vrp.c (extract_range_from_assert): CSE calls to
937         compare_values where possible.
938         (extract_range_from_unary_expr): Likewise.
939
940 2007-01-07  Anatoly Sokolov <aesok@post.ru>
941
942         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
943         * config/avr/avr.c (call_insn_operand): Delete function.
944         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
945         instead of register number. Use predicates.
946         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
947         call_insn_operand): Add.
948
949 2007-01-06  Jan Hubicka  <jh@suse.cz>
950
951         * tree-pass.h (pass_build_cgraph_edges): Declare.
952         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
953         (visited_nodes): Remove.
954         (cgraph_create_edges): Move to cgraphbuild.c; rename to
955         build_cgrpah_edges; make visited_nodes local.
956         (cgraph_process_new_functions): DO not call initialize_inline_failed.
957         (record_references_in_initializer): Move to cgraphbuild.c
958         (initialize_inline_failed, rebuild_cgraph_edges,
959         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
960         (verify_cgraph_node): Make visited_nodes local.
961         (cgraph_analyze_function): Do not call cgraph_create_edges and
962         initialize_inline_failed.
963         (cgraph_expand_function): Do not call cgraph_lower_function;
964         assert that function is already lowered.
965         * Makefile.in (cgraphbuild.o): New.
966         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
967         at the end of lowering passes.
968
969 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
970
971         * ifcvt.c (cond_move_convert_if_block): New function, code
972         factored out from...
973         (cond_move_process_if_block): ...here.  Call the new function
974         on the THEN and ELSE blocks.
975         (merge_if_block): Do not copy global_live_at_end, merge_blocks
976         already takes care of this.
977
978 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
979
980         PR c/19978
981         * tree.h (TREE_OVERFLOW_P): New.
982         * c-typeck.c (parser_build_unary_op): Warn only if result
983         overflowed and operands did not.
984         (parser_build_binary_op): Likewise.
985         (convert_for_assignment): Remove redundant overflow_warning.
986         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
987
988 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
989
990         * c-typeck.c (store_init_value): Split over two lines to follow
991         the GNU coding style.
992
993 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
994
995         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
996         __GXX_EXPERIMENTAL_CXX0X__.
997         * doc/cpp.texi: Same.
998
999 2007-01-05  Richard Guenther  <rguenther@suse.de>
1000
1001         PR middle-end/27826
1002         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1003         with mismatched types.  Instead explicitly build a
1004         conversion NOP_EXPR.
1005
1006 2007-01-05  Ian Lance Taylor  <iant@google.com>
1007
1008         * c-common.c (decl_with_nonnull_addr_p): New function.
1009         (c_common_truthvalue_conversion): Call it.
1010         * c-typeck.c (build_binary_op): Likewise.
1011         * c-common.h (decl_with_nonnull_addr_p): Declare.
1012
1013 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR c/30360
1016         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1017         denom against 0.0.
1018
1019 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1020
1021         * doc/install.texi (Final install): Document the fact that
1022         the GNAT runtime should not be stripped.
1023
1024 2007-01-04  Jan Hubicka  <jh@suse.cz>
1025
1026         * tree-inline.c (fold_marked_statements): Update operand caches
1027         and EH after folding
1028
1029 2007-01-04  Ian Lance Taylor  <iant@google.com>
1030
1031         * c-common.c (check_function_nonnull): Whitespace fix.
1032
1033 2007-01-04  Jan Hubicka  <jh@suse.cz>
1034
1035         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1036         comitted older version of patch.
1037         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1038         function, celanup cfg and collect garbage.
1039
1040 2007-01-04  Mike Stump  <mrs@apple.com>
1041
1042         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1043         (clean): Likewise.
1044
1045 2007-01-04  Eric Christopher  <echristo@apple.com>
1046
1047         * libgcc2.c (__bswapsi2): Use SItype.
1048         (__bswapdi2): Use DItype.
1049         * libgcc2.h: Update for above.
1050
1051 2007-01-04  Paul Brook  <paul@codesourcery.com>
1052
1053         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1054         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1055         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1056         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1057         umulsi3_highpart): Make conditional on !arm_arch6.
1058         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1059         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1060         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1061         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1062         umulsi3_highpart_v6): New insns.
1063
1064 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1065
1066         * fold-const.c (fold_convert): When casting an expression to void,
1067         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1068         have a type.  Instead of attempting to build a NOP_EXPR, return
1069         these "special" trees directly.
1070
1071 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1072
1073         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1074         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1075         rs6000_cost->fp not 0 as adjustment for outer NEG.
1076
1077 2007-01-04  Jan Hubicka  <jh@suse.cz>
1078
1079         * cgraph.c (cgraph_release_function_body): New function.
1080         (cgraph_remove_node): Use it.
1081         * cgraph.h (cgraph_release_function_body): Declare.
1082         * cgraphunit.c (cgraph_expand_function): Use it.
1083         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1084         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1085         is initialized and while compilation of other function is running.
1086         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1087         statement CFG annotations from here to ...
1088         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1089
1090 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1091
1092         * cfgloop.h (enum li_flags): Make the constants powers of two.
1093
1094 2007-01-04  Jan Hubicka  <jh@suse.cz>
1095
1096         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1097         set.
1098         (fold_marked_statements): New function.
1099         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1100         * tree-inline.h (copy_body_data): Add statements_to_fold.
1101
1102 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1103
1104         * config.gcc: Mention libgcc/config.host.
1105         * Makefile.in: Update comments mentioning libgcc.
1106         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1107         (all.cross, start.encap, rest.encap, rest.cross): Update
1108         dependencies for libgcc move.
1109         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1110         (clean-target, clean-target-libgcc): Delete.
1111         (srcdirify, GCC_EXTRA_PARTS): New macros.
1112         (libgcc-support, libgcc.mvars): New rules.
1113         (distclean): Remove mention of mklibgcc.
1114         (install): Don't reference INSTALL_LIBGCC.
1115         (install-common): Don't reference EXTRA_PARTS.
1116         (install-libgcc, install-multilib): Delete rules.
1117         * mklibgcc.in: Delete file.
1118         * doc/configfiles.texi: Don't mention mklibgcc.
1119
1120         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1121         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1122         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1123         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1124         (mklibgcc, ldblspecs): Likewise.
1125
1126         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1127         (posixpre.def): Use $(T).
1128         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1129         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1130         (SHLIB_LINK): Make dummy.
1131         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1132
1133         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1134
1135         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1136         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1137         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1138         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1139
1140         * configure.ac (all_outputs): Remove mklibgcc.
1141         * configure: Regenerated.
1142
1143 2007-01-03  Josh Conner  <jconner@apple.com>
1144
1145         PR middle-end/29683
1146         * calls.c (compute_argument_addresses): Set stack and stack_slot
1147         for partial args, too.
1148         (store_one_arg): Use locate.size.constant for the size when
1149         generating a save_area.
1150
1151 2007-01-03  Robert Kennedy <jimbob@google.com>
1152
1153         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1154         whose definitions are deleted due to basic block merging.
1155
1156 2007-01-03  Paul Brook  <paul@codesourcery.com>
1157
1158         PR target/16634
1159         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1160         functions.
1161         (use_return_insn): Return 0 for Thumb interrupt functions.
1162         (print_multi_reg): Add rfe argument for IRQ returns.
1163         (arm_output_epilogue): Pop interrupt return address directly into PC.
1164         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1165
1166 2007-01-03  Paul Brook  <paul@codesourcery.com>
1167
1168         Merge from sourcerygxx-4_1.
1169         * config/arm/thumb2.md: New file.
1170         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1171         Thumb-2.
1172         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1173         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1174         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1175         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1176         tables.
1177         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1178         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1179         comptibility.
1180         * config/arm/ieee754-sf.S: Ditto.
1181         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1182         (thumb1_base_register_rtx_p): ... to this.
1183         (thumb_index_register_rtx_p): Rename...
1184         (thumb1_index_register_rtx_p): ... to this.
1185         (thumb_output_function_prologue): Rename...
1186         (thumb1_output_function_prologue): ... to this.
1187         (thumb_legitimate_address_p): Rename...
1188         (thumb1_legitimate_address_p): ... to this.
1189         (thumb_rtx_costs): Rename...
1190         (thumb1_rtx_costs): ... to this.
1191         (thumb_compute_save_reg_mask): Rename...
1192         (thumb1_compute_save_reg_mask): ... to this.
1193         (thumb_final_prescan_insn): Rename...
1194         (thumb1_final_prescan_insn): ... to this.
1195         (thumb_expand_epilogue): Rename...
1196         (thumb1_expand_epilogue): ... to this.
1197         (arm_unwind_emit_stm): Rename...
1198         (arm_unwind_emit_sequence): ... to this.
1199         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1200         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1201         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1202         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1203         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1204         thumb2_output_casesi): New functions.
1205         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1206         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1207         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1208         THUMB2_WORK_REGS): Define.
1209         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1210         arm_condexec_mask, arm_condexec_masklen)): New variables.
1211         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1212         (arm_override_options): Check new CPU capabilities.
1213         Set new architecture flag variables.
1214         (arm_isr_value): Handle v7m interrupt functions.
1215         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1216         Thumb-2.
1217         (const_ok_for_arm): Handle Thumb-2 constants.
1218         (arm_gen_constant): Ditto.  Use movw when available.
1219         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1220         functions.
1221         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1222         (thumb_find_work_register, arm_load_pic_register,
1223         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1224         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1225         print_multi_reg, output_mov_long_double_fpa_from_arm,
1226         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1227         output_mov_double_fpa_from_arm, output_move_double,
1228         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1229         output_return_instruction, arm_output_function_prologue,
1230         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1231         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1232         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1233         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1234         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1235         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1236         '!' and 'L'.
1237         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1238         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1239         (arm_file_start): Output directive for unified syntax.
1240         (arm_unwind_emit_set): Handle stack alignment instruction.
1241         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1242         Add v6t2, v7, v7a, v7r and v7m.
1243         (RETLDM): Add Thumb-2 code.
1244         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1245         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1246         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1247         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1248         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1249         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1250         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1251         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1252         ADJUST_INSN_LENGTH): Define.
1253         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1254         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1255         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1256         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1257         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1258         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1259         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1260         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1261         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1262         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1263         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1264         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1265         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1266         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1267         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1268         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1269         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1270         cortex-m3.
1271         * config/arm/arm-tune.md: Regenerate.
1272         * config/arm/arm-protos.h: Update prototypes.
1273         * config/arm/vfp.md: Enable patterns for Thumb-2.
1274         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1275         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1276         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1277         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1278         * config/arm/libunwind.S: Add Thumb-2 code.
1279         * config/arm/constraints.md: Update include Thumb-2.
1280         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1281         * config/arm/ieee754-df.S: Ditto.
1282         * config/arm/bpabi.S: Ditto.
1283         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1284         * config/arm/predicates.md (low_register_operand,
1285         low_reg_or_int_operand, thumb_16bit_operator): New.
1286         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1287         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1288         * config/arm/t-arm-elf: Add armv7 multilib.
1289         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1290         Include thumb2.md.
1291         (UNSPEC_STACK_ALIGN, ce_count): New.
1292         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1293         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1294         insns/expanders.
1295         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1296         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1297         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1298         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1299         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1300         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1301         insns.
1302         * doc/extend.texi: Document ARMv7-M interrupt functions.
1303         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1304
1305 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1306
1307         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1308         (struct _Unwind_Context): Rename args_size to flags, remove
1309         signal_frame field, add a new args_size field and version field.
1310         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1311         _Unwind_IsExtendedContext): New inline functions.
1312         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1313         Assume by_value array is only present if _Unwind_IsExtendedContext.
1314         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1315         _Unwind_IsSignalFrame.
1316         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1317         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1318         (uw_init_context_1): Initialize context->flags to
1319         EXTENDED_CONTEXT_BIT.
1320         * config/rs6000/linux-unwind.h (frob_update_context): Use
1321         _Unwind_SetSignalFrame.
1322
1323 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1324
1325         PR middle-end/30353
1326         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1327         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1328         the value.
1329
1330 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1331
1332         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1333         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1334         RET, AT_SP): Remove.
1335         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1336         instead of RET.
1337
1338         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1339         * cfgbuild.c (find_basic_blocks): Likewise.
1340         * cfgrtl.c (rtl_create_basic_block): Likewise.
1341         * function.c (temp_slots_at_level): Likewise.
1342         * reg-stack.c (stack_regs_mentioned): Likewise.
1343         * regclass.c (allocate_reg_info): Likewise.
1344         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1345         set_bb_for_stmt, move_block_to_fn): Likewise.
1346         * tree-complex.c (tree_lower_complex): Likewise.
1347         * vec.h (VEC_safe_grow_cleared): New.
1348
1349         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1350
1351 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1352
1353         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1354         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1355         to loop_version.
1356         * cfgloopmanip.c (scale_loop_frequencies): Export.
1357         (loopify): Scale the frequencies by prescribed coefficients.
1358         (set_zero_probability): New function.
1359         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1360         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1361         and frequencies according to arguments.
1362         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1363         correctly.
1364         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1365         * modulo-sched.c (sms_schedule): Set probabilities for entering
1366         versioned loop correctly.
1367         * tree-vect-transform.c (vect_transform_loop): Ditto.
1368         * cfgloop.h (loopify, loop_version): Declaration changed.
1369         (scale_loop_frequencies): Declared.
1370
1371 2007-01-02  Jan Hubicka  <jh@suse.cz>
1372
1373         * cgraph.c: Include tree-flow.h
1374         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1375         early_local_passes.
1376         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1377         * tree-pass.h (pass_all_early_optimizations): Declare.
1378         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1379         early_local_passes.
1380         (cgraph_analyze_function): Do early_local_passes.
1381         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1382         Do not add referenced vars.
1383         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1384         SSA form.
1385         (gate_all_early_local_passes): New gate.
1386         (pass_early_local_passes): Use new gate.
1387         (execute_early_local_optimizations): New functions.
1388         (gate_all_early_optimizations): New gate.
1389         (pass_all_early_optimizations): New pass.
1390         (execute_free_datastructures): Free SSA only when initialized.
1391         (gate_init_datastructures): Init only when optimizing.
1392         (tree_lowering_passes): Do early local passes when called late.
1393         * tree-profile.c (do_tree_profiling): Don't profile functions added
1394         late.
1395         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1396         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1397         not active.
1398         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1399         during early_local_passes.
1400         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1401
1402
1403 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1404
1405         * Makefile.in: Update copyright year.
1406
1407 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1408
1409         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1410         in $(lang_checks) and check-consistency targets.
1411
1412 2007-01-02  Jan Hubicka  <jh@suse.cz>
1413
1414         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1415         Do not add referenced vars.
1416         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1417         are not active.
1418         * passes.c (init_optimization_passes): Put mudflap_2 after
1419         free_datastructures.
1420
1421 2007-01-02  Jan Hubicka  <jh@suse.cz>
1422
1423         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1424         Set NOTHROW flag on call statements proved to be nothrow.
1425         Update statement of local calls so new pure/const functions are
1426         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1427         goto receivers.
1428         (tree_rest_of_compilation): Register hooks and initialize bitmap
1429         early. Do not set after_inlining flag.
1430
1431 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1432
1433         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1434         HOST_BITS_PER_LONGLONG
1435
1436 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1437
1438         PR c/19977
1439         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1440         warning for non-static initializers.
1441
1442 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1443
1444         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1445         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1446         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1447         Always use set_unique_reg_note to add REG_EQUAL notes.
1448
1449 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1450
1451         Revert:
1452         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1453
1454         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1455         * cfgbuild.c (find_basic_blocks): Likewise.
1456         * cfgrtl.c (rtl_create_basic_block): Likewise.
1457         * function.c (temp_slots_at_level): Likewise.
1458         * reg-stack.c (stack_regs_mentioned): Likewise.
1459         * regclass.c (allocate_reg_info): Likewise.
1460         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1461         set_bb_for_stmt, move_block_to_fn): Likewise.
1462         * tree-complex.c (tree_lower_complex): Likewise.
1463         * vec.h (VEC_safe_grow_cleared): New.
1464
1465 2007-01-02  Ian Lance Taylor  <iant@google.com>
1466
1467         * c-common.c (c_common_truthvalue_conversion): When warning about
1468         using an assignment as a truth value, set TREE_NO_WARNING.
1469
1470 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1471
1472         PR middle-end/7651
1473         * c.opt (Wold-style-declaration): New.
1474         * doc/invoke.texi (C-only Warning Options): New.
1475         (Wold-style-declaration): Document it.
1476         (Wextra): Enabled by -Wextra.
1477         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1478         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1479         -Wold-style-declaration.
1480
1481 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1482
1483         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1484         * cfgbuild.c (find_basic_blocks): Likewise.
1485         * cfgrtl.c (rtl_create_basic_block): Likewise.
1486         * function.c (temp_slots_at_level): Likewise.
1487         * reg-stack.c (stack_regs_mentioned): Likewise.
1488         * regclass.c (allocate_reg_info): Likewise.
1489         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1490         set_bb_for_stmt, move_block_to_fn): Likewise.
1491         * tree-complex.c (tree_lower_complex): Likewise.
1492         * vec.h (VEC_safe_grow_cleared): New.
1493
1494 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1495
1496         * c-common.c(c_common_nodes_and_builtins): Since variants of
1497         void_type_node get built before it is given a name, we need to
1498         give those variants the name, too.
1499         (complete_array_type): We need to work with the canonical main
1500         type of the array, from which we will build the qualified version.
1501         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1502         * print-tree.c (print_node): Display canonical type information
1503         for each type.
1504         * stor-layout.c (layout_type): When we don't know the
1505         alignment of a type for which we're building an array, we end up
1506         guessing wrong, so make the type require structural equality.
1507         * tree.c (make_node_stat): When we build a new type, it is its
1508         own canonical type.
1509         (build_type_attribute_qual_variant): When building an attribute
1510         variant, its canonical type is the non-attribute variant. However,
1511         if the attributes are target-dependent and they differ, we need to
1512         use structural equality checks for this type.
1513         (build_qualified_type): A qualified type is not equivalent to its
1514         unqualified variant; set the canonical type appropriately.
1515         (build_distinct_type_copy): When building a distinct type from
1516         another type, the new type is its own canonical type.
1517         (build_variant_type_copy): When building a new type variant, we
1518         assume that it is equivalent to the original type.
1519         (build_pointer_type_for_mode): When building a pointer type, also
1520         build a canonical type pointer.
1521         (build_reference_type_for_mode): When building a reference type,
1522         also build a canonical type reference.
1523         (build_index_type): When we can't hash an index type (e.g.,
1524         because its maximum value is negative), the index type requires
1525         structural equality tests.
1526         (build_array_type): Build the canonical form of an array type.
1527         (build_function_type): Function types require structural equality,
1528         because they contain default arguments, attributes, etc.
1529         (build_method_type_directly): Ditto for method types.
1530         (build_offset_type): Build the canonical offset type.
1531         (build_complex_type): Build the canonical vector type.
1532         (make_vector_type): Build the canonical vector type.
1533         * tree.h (TYPE_CANONICAL): New.
1534         (TYPE_STRUCTURAL_EQUALITY_P): New.
1535         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1536         (struct tree_type): Added "canonical" field.
1537         * params.h (VERIFY_CANONICAL_TYPES): New.
1538         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1539         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1540         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1541         * doc/invoke.texi (verify-canonical-types): Document --param
1542         parameter for verifying canonical types.
1543
1544 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1545
1546         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1547         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1548         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1549         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1550         tm_file.
1551         * config/rs6000/e500.h: New.
1552         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1553         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1554         Remove.
1555         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1556         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1557         TARGET_E500_DOUBLE): Remove.
1558         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1559         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1560         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1561         * config/rs6000/rs6000.c (rs6000_override_options): Use
1562         CHECK_E500_OPTIONS.
1563
1564 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1565
1566         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1567         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1568         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1569         rs6000_emit_cmove): Don't check TARGET_E500.
1570         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1571         sordered): Don't check TARGET_E500.
1572
1573 2007-01-01  Eric Christopher  <echristo@apple.com>
1574
1575         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1576         HARD_REGISTER_NUM_P.
1577
1578 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1579
1580         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1581         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1582         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1583         eq/ne Y".
1584
1585 2007-01-01  Mike Stump  <mrs@apple.com>
1586
1587         * configure.ac: Remove support for building with Apple's gcc-3.1.
1588
1589 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1590
1591         PR middle-end/30311
1592         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1593         REG is a hard register.  Do not modify REG before calling
1594         subreg_nregs.
1595         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1596         multiple of the size of YMODE for certain lowpart cases.
1597
1598 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1599
1600         PR middle-end/30253
1601         * gimplify (voidify_wrapper_expr): Update for
1602         GIMPLE_MODIFY_STMT.
1603
1604 2007-01-01  Andreas Schwab  <schwab@suse.de>
1605
1606         PR target/29166
1607         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1608         save of BR0 in extra_spill_size instead of spill_size.
1609         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1610         area.
1611         (ia64_expand_epilogue): Restore BR0 from its new location.
1612
1613 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1614
1615         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1616         Use a temporary variable if the left hand side is not a gimple
1617         register.
1618
1619 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1620
1621         * gimplify.c (gimplify_return_expr): Make the temporary variable
1622         for the return expression, a gimple register variable.
1623
1624 2007-01-01  Jan Hubicka  <jh@suse.cz>
1625
1626         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1627         INSN_LIST.
1628
1629 2007-01-01  Mike Stump  <mrs@apple.com>
1630
1631         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1632         .literal16.
1633         * config/darwin.c (machopic_select_rtx_section): Use
1634         HAVE_GAS_LITERAL16.
1635         (darwin_mergeable_constant_section): Likewise.
1636         * configure: Regenerate.
1637         * config.in: Regenerate.
1638
1639 2007-01-01  Jan Hubicka  <jh@suse.cz>
1640             Andrew Pinski  <pinskia@gmail.com>
1641
1642         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1643         before starting IPA passes.