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* config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-10-01  Nick Clifton  <nickc@redhat.com>
2
3         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
4         an empty string if not already defined.
5
6 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7
8         PR bootstrap/41395
9         * tree-sra.c (is_va_list_type): New function.
10         (find_var_candidates): Call is_va_list_type.
11         (find_param_candidates): Check that the type or the type pointed
12         to are not va_list types.
13
14 2009-10-01  Martin Jambor  <mjambor@suse.cz>
15
16         PR c++/41503
17         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
18         DECL_ARTIFICIAL (param_decl) is true.
19         
20 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
21
22         * tree.h (tree_decl_common::lang_flag_8): New.
23         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
24         keyword. 
25         * c-common.h (RID_CONSTEXPR): New.
26
27 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
28
29         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
30         Use ref-all pointers.
31         (alpha_gimplify_va_arg): Ditto.
32
33 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
34
35         PR target/41279
36         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
37         before insn counting loop now that BB_END (bb) is counted.  Ensure
38         the return value isn't zero.
39
40 2009-09-30  Nick Clifton  <nickc@redhat.com>
41
42         * config.gcc (sh-symbianelf): Replace definition of extra_objs
43         with separate definitions of c_target_objs and cxx_target_objs.
44         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
45         and symbian-base.o.
46         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
47         sh_symbian_import_export_class.
48         * config/sh/sh-protos.h: Fix names of exported symbian functions.
49         * config/sh/symbian.c: Delete, moving code into...
50         * config/sh/symbian-base.c: ... here
51         * config/sh/symbian-c.c: ... and here
52         * config/sh/symbian-cxx.c: ... and here.
53
54 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
55
56         PR target/22093
57         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
58         of plus RTX into register.
59
60 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
61
62         * doc/install.texi: Linguistic and markup fixes.
63         (Configuration) <--disable-cpp>: Remove description.
64         <--enable-maintainer-mode>: Autotools files are affected, too.
65         <--with-sysroot>: Improve description.
66         (Building): Bump required GNU make version.
67
68 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
69
70         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
71         (x86_64-*-*): Ditto.
72
73         * config/i386/fma4intrin.h: New file, provide common x86 compiler
74         intrinisics for FMA4.
75         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
76         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
77         Add FMA4 check and fma4intrin.h.
78         * config/i386/i386-c.c(ix86_target_macros_internal): Check
79         ISA_FLAG for FMA4.
80         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
81         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
82         constant for FMA4 support.
83         (UNSPEC_FMA4_FMADDSUB): Ditto.
84         (UNSPEC_FMA4_FMSUBADD): Ditto.
85         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
86         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
87         (ix86_expand_fma4_multiple_memory): Ditto.
88         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
89         (OPTION_MASK_ISA_FMA4_UNSET): New.
90         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
91         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
92         (ix86_handle_option): Handle -mfma4.
93         (isa_opts): Handle -mfma4.
94         (enum pta_flags): Add PTA_FMA4.
95         (override_options): Add FMA4 support.
96         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
97         (IX86_BUILTIN_VFMADDSD): Ditto.
98         (IX86_BUILTIN_VFMADDPS): Ditto.
99         (IX86_BUILTIN_VFMADDPD): Ditto.
100         (IX86_BUILTIN_VFMSUBSS): Ditto.
101         (IX86_BUILTIN_VFMSUBSD): Ditto.
102         (IX86_BUILTIN_VFMSUBPS): Ditto.
103         (IX86_BUILTIN_VFMSUBPD): Ditto.
104         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
105         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
106         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
107         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
108         (IX86_BUILTIN_VFNMADDSS): Ditto.
109         (IX86_BUILTIN_VFNMADDSD): Ditto.
110         (IX86_BUILTIN_VFNMADDPS): Ditto.
111         (IX86_BUILTIN_VFNMADDPD): Ditto.
112         (IX86_BUILTIN_VFNMSUBSS): Ditto.
113         (IX86_BUILTIN_VFNMSUBSD): Ditto.
114         (IX86_BUILTIN_VFNMSUBPS): Ditto.
115         (IX86_BUILTIN_VFNMSUBPD): Ditto.
116         (IX86_BUILTIN_VFMADDPS256): Ditto.
117         (IX86_BUILTIN_VFMADDPD256): Ditto.
118         (IX86_BUILTIN_VFMSUBPS256): Ditto.
119         (IX86_BUILTIN_VFMSUBPD256): Ditto.
120         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
121         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
122         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
123         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
124         (IX86_BUILTIN_VFNMADDPS256): Ditto.
125         (IX86_BUILTIN_VFNMADDPD256): Ditto.
126         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
127         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
128         (enum multi_arg_type): New enum for describing the various FMA4
129         intrinsic argument types.
130         (bdesc_multi_arg): New table for FMA4 intrinsics.
131         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
132         (ix86_expand_multi_arg_builtin): New function for creating FMA4
133         intrinsics.
134         (ix86_expand_builtin): Add FMA4 intrinsic support.
135         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
136         operand instructions.
137         (ix86_expand_fma4_multiple_memory): New function to split the
138         second memory reference from FMA4 instructions.
139         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
140         (ssemodesuffixf2s): Ditto.
141         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
142         instructions.
143         (fma4_fmsub<mode>4): Ditto.
144         (fma4_fnmadd<mode>4): Ditto.
145         (fma4_fnmsub<mode>4): Ditto.
146         (fma4_vmfmadd<mode>4): Ditto.
147         (fma4_vmfmsub<mode>4): Ditto.
148         (fma4_vmfnmadd<mode>4): Ditto.
149         (fma4_vmfnmsub<mode>4): Ditto.
150         (fma4_fmadd<mode>4256): Ditto.
151         (fma4_fmsub<mode>4256): Ditto.
152         (fma4_fnmadd<mode>4256): Ditto.
153         (fma4_fnmsub<mode>4256): Ditto.
154         (fma4_fmaddsubv8sf4): Ditto.
155         (fma4_fmaddsubv4sf4): Ditto.
156         (fma4_fmaddsubv4df4): Ditto.
157         (fma4_fmaddsubv2df4): Ditto.
158         (fma4_fmsubaddv8sf4): Ditto.
159         (fma4_fmsubaddv4sf4): Ditto.
160         (fma4_fmsubaddv4df4): Ditto.
161         (fma4_fmsubaddv2df4): Ditto.
162         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
163         instructions for intrinsics.
164         (fma4i_fmsub<mode>4): Ditto.
165         (fma4i_fnmadd<mode>4): Ditto.
166         (fma4i_fnmsub<mode>4): Ditto.
167         (fma4i_vmfmadd<mode>4): Ditto.
168         (fma4i_vmfmsub<mode>4): Ditto.
169         (fma4i_vmfnmadd<mode>4): Ditto.
170         (fma4i_vmfnmsub<mode>4): Ditto.
171         (fma4i_fmadd<mode>4256): Ditto.
172         (fma4i_fmsub<mode>4256): Ditto.
173         (fma4i_fnmadd<mode>4256): Ditto.
174         (fma4i_fnmsub<mode>4256): Ditto.
175         (fma4i_fmaddsubv8sf4): Ditto.
176         (fma4i_fmaddsubv4sf4): Ditto.
177         (fma4i_fmaddsubv4df4): Ditto.
178         (fma4i_fmaddsubv2df4): Ditto.
179         (fma4i_fmsubaddv8sf4): Ditto.
180         (fma4i_fmsubaddv4sf4): Ditto.
181         (fma4i_fmsubaddv4df4): Ditto.
182         (fma4i_fmsubaddv2df4): Ditto.
183
184         * doc/invoke.texi (-mfma4): Add documentation.
185         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
186
187 2009-09-29  Richard Henderson  <rth@redhat.com>
188
189         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
190         an edge to the new destination block.
191
192 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
193
194         PR target/41393
195         * pa.c (hppa_profile_hook): Use
196         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
197
198 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
199             Alexander Monakov  <amonakov@ispras.ru>
200
201         PR target/41365
202         * config/ia64/predicates.md (not_postinc_destination_operand): New.
203         (not_postinc_memory_operand): New.
204         (not_postinc_move_operand): New.
205         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
206         (*cmovsi_internal): Ditto.
207
208 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
209
210         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
211         restrict issue_rate in first pass when scheduling for register
212         pressure.
213
214 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
215             Rafael Avila de Espindola  <espindola@google.com>
216
217         * gengtype.c (plugin_output): New.
218         (get_output_file_with_visibility): Return plugin_output for plugins.
219         (main): Parse and use the -P option.
220         * gty.texi: Update the command line format.
221
222 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
223
224         PR debug/41438
225         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
226         functions.
227         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
228         out if !const_ok_for_output.
229
230         PR debug/41474
231         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
232         case VAR_LOCATION>: Remove gcc_unreachable ().
233
234 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
235
236         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
237         (x86_64-*-*): Ditto.
238         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
239         back to smmintrin.h.
240         * config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
241         * config/i386/x86intrin.h: Remove SSE5.
242         * config/i386/mmintrin-common.h: Delete file.
243         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
244
245 2009-09-29  Richard Guenther  <rguenther@suse.de>
246
247         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
248         resulting from stack temporaries on STRICT_ALIGNMENT targets.
249
250 2009-09-29  Nick Clifton  <nickc@redhat.com>
251
252         * function.c (current_function_name): If there is no current
253         function just return "<none>".
254
255 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
256
257         * tree-pass.h (register_pass_info): New structure.
258         (pass_positioning_ops): Move enum from gcc-plugin.h.
259         (register_pass): New function.
260         * gcc-plugin.h (plugin_pass): Delete structure.
261         (pass_positioning_ops): Delete enum.
262         * plugin.c (regsiter_pass): Delete function.
263         (position_pass): Delete function.
264         (added_pass_nodes): Delete variable.
265         (prev_added_pass_nodes): Delete variable.
266         (pass_list_node): Delete structure.
267         * passes.c (make_pass_instance): New function.
268         (next_pass_1): Change to call make_pass_instance.
269         (pass_list_node): Move structure from gcc-plugin.h.
270         (added_pass_nodes): Move variable from plugin.c.
271         (prev_added_pass_nodes): Move variable from plugin.c.
272         (position_pass): New function.
273         (register_pass): New function.
274
275 2009-09-28  Easwaran Raman  <eraman@google.com>
276
277         * ifcvt.c (noce_try_abs): Recognize pattern and call
278         expand_one_cmpl_abs_nojump.
279         * optabs.c (expand_one_cmpl_abs_nojump): New function.
280         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
281
282 2009-09-28  Ian Lance Taylor  <iant@google.com>
283
284         PR middle-end/40500
285         * c-opts.c (c_common_handle_option): Don't set
286         warn_jump_misses_init for -Wall.
287         * doc/invoke.texi (Warning Options): Update documentation.
288
289 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
290
291         * Makefile.in ($(out_object_file)): Depend on
292         gt-$(basename $(notdir $(out_file))).h.
293
294 2009-09-28  Richard Henderson  <rth@redhat.com>
295
296         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
297         * except.c (gen_eh_region): Set it.
298         (duplicate_eh_regions_1): Copy it.
299         * tree-eh.c (lower_resx): Use it to determine which function
300         to call to resume.
301
302         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
303         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
304         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
305         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
306         BUILT_IN_CXA_END_CLEANUP if necessary.
307
308         * c-common.c (c_define_builtins): Update call to
309         build_common_builtin_nodes.
310
311 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
312
313         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
314
315 2009-09-28  Michael Matz  <matz@suse.de>
316
317         * builtins.c (interclass_mathfn_icode): New helper.
318         (expand_builtin_interclass_mathfn): Use it here, and split folding
319         into ...
320         (fold_builtin_interclass_mathfn): ... this new folder.
321         (build_call_nofold_loc): New static helper.
322         (build_call_nofold): New wrapper macro for above.
323         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
324         (expand_builtin_pow): Ditto.
325         (expand_builtin_memset_args): Ditto.
326         (expand_builtin_printf): Ditto.
327         (expand_builtin_fprintf): Ditto.
328         (expand_builtin_sprintf): Ditto.
329         (expand_builtin_memory_chk): Ditto.
330         (expand_builtin_mempcpy_args): Ditto and don't call folders.
331         (expand_builtin_stpcpy): Ditto.
332         (expand_builtin_strcmp): Ditto.
333         (expand_builtin_strncmp): Ditto.
334         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
335         (expand_builtin_strcpy_args): Don't call folders.
336         (expand_builtin_memcmp): Ditto.
337         (expand_builtin_strncpy): Ditto, and use target.
338         (expand_builtin_memcpy): Ditto.
339         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
340         expand_builtin_strpbrk, expand_builtin_memmove,
341         expand_builtin_memmove_args, expand_builtin_bcopy,
342         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
343         expand_builtin_strspn, expand_builtin_strcspn,
344         expand_builtin_fputs): Remove these.
345         (expand_builtin): Don't call the above, change calls to other
346         expanders that changed prototype.
347         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
348         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
349         fold_builtin_interclass_mathfn.
350         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
351         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
352
353         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
354         * passes.c (init_optimization_passes): Move pass_fold_builtins
355         after last phiopt pass.
356         * tree-inline.c (fold_marked_statements): When folding builtins
357         iterate over all instruction potentially generated.
358         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
359         earlier.
360         (fold_gimple_call): Use it to always fold calls (into potentially
361         multiple instructions).
362         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
363         calls into zero at this time.
364         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
365         statements generated by builtin folding.
366
367 2009-09-28  Nick Clifton  <nickc@redhat.com>
368
369         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging
370         insns.
371
372 2009-09-28  Duncan Sands  <baldrick@free.fr>
373
374         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
375         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
376         (register_callback): Dispatch it.
377         (invoke_plugin_callbacks): Incorporate in sanity check.
378         * ggc.h (ggc_register_cache_tab): Add declaration.
379         * ggc-common.c (ggc_register_root_tab): Simplify.
380         (const_ggc_cache_tab_t): New typedef.
381         (extra_cache_vec): New vector of dynamically added cache tables.
382         (ggc_register_cache_tab): New function.
383         (ggc_scan_cache_tab): New function.
384         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
385         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
386
387 2009-09-27  Richard Henderson  <rth@redhat.com>
388
389         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
390         which we remove __builtin_stack_restore.
391
392 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
393
394         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
395         to test for GRD_INVARIANT.
396         (simple_rhs_p): Anything that's function_invariant_p is fine.
397
398 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
399
400         * gengtype.c (main): Use plunge_files instead of plugin_output.
401
402 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
403             Rafael Avila de Espindola  <espindola@google.com>
404
405         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
406         Don't print pch related info if it is false.
407         (main): Don't print pch info in plugin mode.
408
409 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
410
411         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
412         with dw_val_class_const_double.
413         (struct dw_val_struct): Replace val_long_long with val_double and
414         adjust for above change.
415         (output_loc_operands): Likewise.
416         (add_AT_long_long): Rename into...
417         (add_AT_double): ...this.
418         (print_die): Replace dw_val_class_long_long with
419         dw_val_class_const_double and adjust.
420         (attr_checksum): Likewise.
421         (same_dw_val_p): Likewise.
422         (size_of_die): Likewise.
423         (value_format): Likewise.
424         (output_die): Likewise.
425         (loc_descriptor) <CONST_DOUBLE>: Likewise.
426         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
427         instead of add_AT_long_long.
428         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
429         value with the precision of its type.
430
431 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
432
433         PR c/41476
434         * c-typeck.c (build_conditional_expr): Use the readonly and
435         volatile flags of the operand types, not of the operands itself.
436
437 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
438
439         collect2.c (main): Look for -brtl before adding libraries.
440
441 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
442
443         * config.gcc: Update OpenBSD targets.
444         * config/openbsd-stdint.h: New file.
445         * config/openbsd-libpthread.h: New file.
446         * config/openbsd.h: Update and break out LIB_SPEC definition.
447         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
448         * config/i386/openbsdelf.h: Correct types.
449         * config/m68k/openbsd.h: Likewise.
450         * config/mips/openbsd.h: Likewise.
451         * config/vax/openbsd.h: Likewise.
452
453 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
454
455         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
456         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
457         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
458         of the length and zero.
459
460 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
461
462         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
463         (FLAGS_H): Add options.h $(REAL_H).
464         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
465         (TREE_VECTORIZER_H): New.
466         (EBITMAP_H): Renamed from EBIMAP_H.
467         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
468         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
469         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
470         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
471         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
472         (graphite-clast-to-gimple.o, graphite-dependences.o)
473         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
474         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
475         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
476         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
477         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
478         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
479         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
480         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
481         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
482         updated and fixed as per above changes and per
483         check_makefile_deps.sh output.
484
485         PR bootstrap/40928
486         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
487         * configure: Regenerate.
488
489 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
490
491         * doc/install.texi: Update minimum MPC version to 0.7.
492
493 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
494
495         * doc/install.texi (Binaries): Remove reference to the binary
496         distribution CD-ROM from the FSF.
497
498 2009-09-26  Michael Matz  <matz@suse.de>
499
500         PR lto/40758
501         PR middle-end/41470
502         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
503         that are mentioned in the body.
504
505 2009-09-26  Michael Matz  <matz@suse.de>
506
507         PR tree-optimization/41454
508         * tree-ssa-dom (stmts_to_rescan): Remove variable.
509         (tree_ssa_dominator_optimize): Don't allocate and free it.
510         (dom_opt_leave_block): Don't iterate over it.
511         (eliminate_redundant_computations): Don't return a value.
512         (cprop_operand, cprop_into_stmt): Ditto.
513         (optimize_stmt): Don't defer updating stmts.
514
515 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
516
517         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
518         generic_parameter_die, template_parameter_pack_die,
519         gen_formal_parameter_die, gen_subprogram_die): Adjust after renaming
520         DW_TAG_formal_parameter_pack and DW_TAG_template_parameter_pack into
521         DW_TAG_GNU_formal_parameter_pack and DW_TAG_GNU_template_parameter_pack.
522
523 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
524
525         * config/v850/v850.h (FUNCTION_VALUE): Remove.
526         * config/v850/v850.c (v850_function_value): New function.
527         (TARGET_FUNCTION_VALUE): Define.
528
529 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
530
531         * tree-vect-stmts.c (vectorizable_call): Call
532         mark_symbols_for_renaming after vect_finish_stmt_generation.
533
534         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
535         to loc_descriptor_from_tree.
536         (add_location_or_const_value_attribute): Pass 0 instead of 2
537         for decl_by_reference_p decls.
538
539 2009-09-25  Richard Guenther  <rguenther@suse.de>
540
541         PR middle-end/41463
542         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
543         arrays again.
544
545 2009-09-25  Ben Elliston  <bje@au.ibm.com>
546
547         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
548         after `power7'.
549
550 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
551
552         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
553         form of instruction.
554
555 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
556
557         PR middle-end/41435
558         * fold-const.c (const_binop): Handle complex int division.
559         * tree-complex.c (expand_complex_div_straight,
560         expand_complex_div_wide): Update comments.
561
562 2009-09-24  DJ Delorie  <dj@redhat.com>
563
564         PR target/41456
565         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
566         (reg_class): Likewise.
567         (REG_CLASS_NAMES): Likewise.
568         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
569
570         * config/m32c/m32c.c (m32c_override_options): Disable -fivopts for
571         M32C.
572
573 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
574
575         * config/rs6000/predicates.md (indexed_or_indirect_operand):
576         Delete VSX load/store with update support.
577         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
578         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
579         (vsx_movti): Ditto.
580         (VSX_U): Delete.
581         (VSbit): Ditto.
582         (VStype_load_update): Ditto.
583         (VStype_store_update): Ditto.
584         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
585         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
586
587         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
588         load/store with update builtins.
589
590 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
591
592         * libgcc2.c (L_trampoline): Prototype for getpagesize
593         and mprotect in WINNT case.
594
595 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
596
597         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
598         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
599         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
600         'outgoing' argument.
601         (TARGET_FUNCTION_VALUE): Define.
602
603 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
604
605         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
606
607 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
608
609         PR bootstrap/41405
610         * common.opt: Initialize dwarf_strict to -1.
611         * toplev.c (process_options): Catch unset dwarf_strict
612         and set to 0 for all targets not overriding.
613         * config/darwin.c (darwin_override_options): Catch unset
614         dwarf_strict and override to 1.
615
616 2009-09-24  Jeff Law  <law@redhat.com>
617
618         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
619
620 2009-09-24  Richard Guenther  <rguenther@suse.de>
621
622         PR tree-optimization/36143
623         PR tree-optimization/38747
624         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
625         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
626
627 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
628
629         PR bootstrap/41457
630         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
631         return false instead of gcc_unreachable ().  For CONST return the
632         value returned by recursive call instead of always returning true.
633         (tree_add_const_value_attribute): Return the value returned by
634         add_const_value_attribute instead of always returning true if rtl
635         is non-NULL.
636
637 2009-09-23  Justin Seyster  <jrseys@gmail.com>
638
639         * Makefile.in (PLUGIN_HEADERS): Include real.h.
640
641 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
642
643         * cgraphunit.c (cgraph_lower_function): Revert last change.
644         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
645         instead of DECL_NO_STATIC_CHAIN.
646         * tree-cfg.c (verify_gimple_call): Likewise.
647         * tree-nested.c (get_chain_decl, get_chain_field,
648         convert_tramp_reference_op, convert_gimple_call): Likewise.
649         (convert_all_function_calls): Likewise.  Always set or clear
650         DECL_STATIC_CHAIN initially, for !n->outer clear it.
651         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
652         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
653         if nested.
654         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
655         DECL_NO_STATIC_CHAIN.
656         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
657         instead of DECL_NO_STATIC_CHAIN.
658         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
659         decl_function_context.
660         * varasm.c (initializer_constant_valid_p): Likewise.
661         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
662         (DECL_STATIC_CHAIN): ... this.
663         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
664         instead of DECL_NO_STATIC_CHAIN.
665
666 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
667             Rafael Avila de Espindola  <espindola@google.com>
668
669         * gengtype.c (nb_plugin_files): Make it unsigned to match
670         num_gt_files. Adjust other variables to avoid warnings.
671         (main): Allocate an all zero lang_bitmap before each plugin file name
672         to match regular file names.
673
674 2009-09-23  Richard Henderson  <rth@redhat.com>
675
676         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
677         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
678         static chain passed in memory.
679         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
680         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
681         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
682         STATIC_CHAIN_REGNUM defined.
683
684         * config/picochip/picochip-protos.h: s/class/klass/.
685         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
686         (picochip_static_chain): New.
687         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
688         (STATIC_CHAIN_INCOMING): Remove.
689
690         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
691         (xtensa_static_chain): New.
692         * config/xtensa/xtensa.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
693
694 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
695
696         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
697         * config/pa/pa-protos.h (function_value): Remove.
698         * config/pa/pa.c (pa_function_value): Rename from function_value.
699         Make static, add 'outgoing' argument.
700         (TARGET_FUNCTION_VALUE): Define.
701
702 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
703
704         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
705         instead of cfun->machine->is_leaf.
706         * config/avr/avr.h (machine_function): Remove is_leaf field.
707
708 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
709
710         PR debug/41439
711         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
712         DW_OP_piece after DW_OP_stack_value, adjust size calculations
713         for it, when DW_OP_stack_value and DW_OP_implicit_value has
714         the same size, prefer DW_OP_stack_value.
715         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
716         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
717
718 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
719
720         PR debug/41353
721         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
722
723 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
724
725         PR debug/41248
726         * cfgexpand.c (convert_debug_memory_address): New.
727         (expand_debug_expr): Convert base address and offset to the same
728         mode.  Use it to convert addresses to other modes.  Accept
729         ptr_mode addresses.
730
731 2009-09-23  Richard Guenther  <rguenther@suse.de>
732
733         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
734         produced for bigendian targets with promoted subregs.
735
736 2009-09-23  Richard Guenther  <rguenther@suse.de>
737
738         * value-prof.c (gimple_ic): Purge old EH edges only after building
739         the new ones.
740
741 2009-09-23  Nick Clifton  <nickc@redhat.com>
742
743         * config/arc/arc.c (arc_trampoline_init): Fix typo.
744
745 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
746
747         PR bootstrap/41405
748         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
749
750         PR bootstrap/41436
751         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
752         on non-nested functions.
753
754 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
755             Jan Hubicka  <jh@suse.cz>
756
757         * dwarf2out.c (loc_list_plus_const): Only define if
758         DWARF2_DEBUGGING_INFO.
759         (address_of_int_loc_descriptor): Likewise.
760
761         PR debug/41411
762         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
763
764 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
765
766         PR c/39779
767         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
768         constant is more than zero.
769
770 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
771
772         PR target/40473
773         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
774         call final to emit non-scheduled prologue, instead insert at entry.
775
776 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
777             Joseph S. Myers  <joseph@codesourcery.com>
778
779         * doc/install.texi (*-*-freebsd*): Add proper format codes.
780
781 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
782             Rafael Avila de Espindola  <espindola@google.com>
783
784         * gengtype.c (is_file_equal): New function.
785         (close_output_files): Use is_file_equal. Free of->buf.
786
787 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
788             Rafael Avila de Espindola  <espindola@google.com>
789
790         * gengtype.c (write_types, write_local): Add the output_header
791         argument. Update all callers.
792
793 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
794
795         * dwarf2out.c (template_parameter_pack_die,
796         gen_formal_parameter_pack_die ): New functions.
797         (make_ith_pack_parameter_name): Remove this function.
798         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
799         DW_TAG_formal_parameter_pack.
800         (gen_generic_params_dies): Represent each template parameter pack
801         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
802         represented by usual DW_TAG_template_*_parameter DIEs that are
803         children of the DW_TAG_template_parameter_pack element DIE.
804         (generic_parameter_die): This doesn't deal with parameter pack
805         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
806         of parameter pack DIEs.
807         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
808         in certain cases, e.g. for pack elements.
809         (gen_formal_types_die, gen_decl_die): Adjust usage of
810         gen_formal_parameter_die.
811         (gen_subprogram_die): Represent each function parameter pack by a
812         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
813         represented by usual DW_TAG_formal_parameter DIEs that are children
814         of the DW_TAG_formal_parameter_pack DIE. Remove references to
815         ____builtin_va_alist decls as no part of the compiler uses those
816         anymore.
817         * langhooks.h (struct lang_hooks_for_decls): Add
818         function_parm_expanded_from_pack_p, get_generic_function_decl
819         and function_parameter_pack_p hooks.  Fix comment for
820         get_innermost_generic_parms hook.
821         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
822         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
823         macros and use them to initialize lang_hook.
824
825 2009-09-22  Richard Henderson  <rth@redhat.com>
826
827         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
828         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
829         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
830         on TRAMPOLINE_TEMPLATE.
831         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
832         TRAMPOLINE_ADJUST_ADDRESS.
833         * targhooks.c (default_asm_trampoline_template): Remove.
834         (default_trampoline_adjust_address): Remove.
835         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
836         * targhooks.h: Update decls.
837
838 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
839
840         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
841         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
842         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
843
844 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
845
846         PR debug/41295
847         * reload1.c (reload): Reset debug insns with pseudos without
848         equivalences.
849
850 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
851
852         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
853         unconditional true for decimal float modes.
854         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
855         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
856
857 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
858
859         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
860         Enable a new case for __FreeBSD__ >= 7.
861         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
862         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
863         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
864         and USE_LD_AS_NEEDED.
865
866         * doc/install.texi (*-*-freebsd*): Update target information.
867
868 2009-09-22  Richard Guenther  <rguenther@suse.de>
869
870         PR middle-end/41395
871         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
872         arrays really properly.
873
874 2009-09-22  Richard Henderson  <rth@redhat.com>
875
876         PR target/41246
877         * target.h (struct gcc_target): Add asm_out.trampoline_template,
878         calls.static_chain, calls.trampoline_init,
879         calls.trampoline_adjust_address.
880         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
881         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
882         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
883         * builtins.c (expand_builtin_setjmp_receiver): Use
884         targetm.calls.static_chain; only clobber registers.
885         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
886         set up memory attributes properly for the trampoline block.
887         (expand_builtin_adjust_trampoline): Use
888         targetm.calls.trampoline_adjust_address.
889         * calls.c (prepare_call_address): Add fndecl argument.  Use
890         targetm.calls.static_chain.
891         * df-scan.c (df_need_static_chain_reg): Remove.
892         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
893         consolodate static chain handling.
894         * doc/tm.texi: Document new hooks.
895         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
896         (init_emit_regs): Don't initialize them.
897         * expr.h (prepare_call_address): Update decl.
898         * final.c (profile_function): Use targetm.calls.static_chain.
899         * function.c (expand_function_start): Likewise.
900         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
901         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
902         only clobber registers.
903         * targhooks.c (default_static_chain): New.
904         (default_asm_trampoline_template, default_trampoline_init): New.
905         (default_trampoline_adjust_address): New.
906         * targhooks.h: Declare them.
907         * varasm.c (assemble_trampoline_template): Use
908         targetm.asm_out.trampoline_template.  Make the memory block const
909         and set its size.
910
911         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
912         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
913         differences into the TARGET_ABI_OPEN_VMS code block.
914         (TARGET_TRAMPOLINE_INIT): New.
915         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
916         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
917         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
918         (INITIALIZE_TRAMPOLINE): Remove.
919
920         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
921         (TRAMPOLINE_TEMPLATE): Merge with ...
922         (INITIALIZE_TRAMPOLINE): ... this and move ...
923         * config/arc/arc.c (arc_trampoline_init): ... here.
924         (TARGET_TRAMPOLINE_INIT): New.
925
926         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
927         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
928         (arm_asm_trampoline_template): New.
929         (arm_trampoline_init, arm_trampoline_adjust_address): New.
930         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
931         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
932         code to arm_asm_trampoline_template.
933         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
934         arm_trampoline_adjust_address.
935         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
936         adjust for target hook parameters.
937
938         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
939         Remove.
940
941         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
942         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
943         (bfin_trampoline_init): Rename from initialize_trampoline;
944         make static; update for target hook parameters.
945         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
946         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
947         bfin_asm_trampoline_template.
948         (INITIALIZE_TRAMPOLINE): Remove.
949
950         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
951         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
952         cris_trampoline_init): New.
953         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
954         cris_asm_trampoline_template.
955         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
956         adjust for target hook parameters.
957
958         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
959
960         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
961         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
962         fr30_trampoline_init): New.
963         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
964         fr30_asm_trampoline_template.
965         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
966         adjust for target hook parameters.
967
968         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
969         (frv_trampoline_init): Rename from frv_initialize_trampoline;
970         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
971         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
972         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
973
974         * config/h8300/h8300.c (h8300_trampoline_init): New.
975         (TARGET_TRAMPOLINE_INIT): New.
976         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
977         to h8300_trampoline_init and adjust for hook parameters.
978
979         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
980         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
981         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
982         make static; adjust for hook parameters.
983         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
984
985         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
986         (TARGET_TRAMPOLINE_INIT): New.
987         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
988         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
989         iq2000_asm_trampoline_template.
990         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
991         (TRAMPOLINE_CODE_SIZE): New.
992         (TRAMPOLINE_SIZE): Use it.
993         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
994
995         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
996         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
997         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
998         adjust for hook parameters.
999         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
1000
1001         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
1002         (m32r_trampoline_init): New.
1003         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
1004         m32r_trampoline_init.
1005
1006         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
1007         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
1008         make static; update for hook parameters.
1009         * config/m68hc11/m68hc11-protos.h: Update.
1010         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
1011
1012         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1013         (TARGET_TRAMPOLINE_INIT): New.
1014         (mcore_function_value): Fix typo.
1015         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
1016         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
1017         to mcore_asm_trampoline_template.
1018         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
1019
1020         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
1021         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
1022         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
1023         update for hook parameters.
1024         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
1025
1026         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1027         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1028         mips_trampoline_init): New.
1029         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
1030         mips_asm_trampoline_template.
1031         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
1032         update for hook parameters.
1033
1034         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1035         (TARGET_TRAMPOLINE_INIT): New.
1036         (mmix_trampoline_size): Remove.
1037         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
1038         make static.  Remove out-of-date tetra vs octa comment.
1039         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
1040         make static; update for hook parameters.
1041         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
1042         (INITIALIZE_TRAMPOLINE): Remove.
1043         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
1044         (TRAMPOLINE_ALIGNMENT): New.
1045         * gcc/config/mmix/mmix-protos.h: Update.
1046
1047         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1048         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1049         mn10300_trampoline_init): New.
1050         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
1051         mn10300_asm_trampoline_template.
1052         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
1053
1054         * config/moxie/moxie.c (moxie_static_chain,
1055         moxie_asm_trampoline_template, moxie_trampoline_init,
1056         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
1057         TARGET_TRAMPOLINE_INIT): New.
1058         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
1059         moxie_trampoline_init.
1060         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
1061         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
1062
1063         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1064         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1065         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
1066         pa_trampoline_adjust_address): New.
1067         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
1068         pa_asm_trampoline_template.
1069         (TRAMPOLINE_ALIGNMENT): New.
1070         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
1071         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
1072         adjust for hook parameters.
1073         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
1074
1075         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
1076         (TARGET_TRAMPOLINE_INIT): New.
1077         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
1078         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
1079
1080         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
1081
1082         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
1083         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
1084         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
1085         make static; adjust parameters for the hook.
1086         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
1087
1088         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
1089         s390_trampoline_template; make static.
1090         (s390_trampoline_init): Rename from s390_initialize_trampoline;
1091         make static; adjust for target hook.
1092         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
1093         * config/s390/s390-protos.h: Remove trampoline decls.
1094         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
1095         (TRAMPOLINE_TEMPLATE): Remove.
1096         (TRAMPOLINE_ALIGNMENT): New.
1097
1098         * config/score/score-protos.h (score_initialize_trampoline): Remove.
1099         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1100         (TARGET_TRAMPOLINE_INIT): New.
1101         (score_asm_trampoline_template): New.
1102         (score_trampoline_init): Rename from score_initialize_trampoline;
1103         make static; adjust for hook parameters.
1104         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
1105         score[37]_asm_trampoline_template.
1106         (INITIALIZE_TRAMPOLINE): Remove.
1107         * config/score/score3.c (score3_asm_trampoline_template): New.
1108         (score3_trampoline_init): Rename from score3_initialize_trampoline;
1109         adjust for target hook.
1110         * config/score/score7.c (score7_asm_trampoline_template): New.
1111         (score7_trampoline_init): Rename from score7_initialize_trampoline;
1112         adjust for target hook.
1113         * config/score/score3.h, config/score/score7.h: Update.
1114
1115         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
1116         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
1117         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
1118         (sh_trampoline_init): Rename from sh_initialize_trampoline;
1119         make static; adjust for target hook parameters.
1120         (sh_trampoline_adjust_address): New.
1121         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
1122         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
1123
1124         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
1125         (sparc32_initialize_trampoline): Rename from
1126         sparc_initialize_trampoline; make static; replace tramp parameter
1127         with m_tramp and update memory accesses.
1128         (sparc64_initialize_trampoline): Similarly.
1129         (sparc_trampoline_init): New.
1130         * config/sparc/sparc-protos.h: Remove trampoline decls.
1131         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
1132         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
1133
1134         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
1135         (array_to_constant): Make ARR parameter const.
1136         (spu_trampoline_init): Rename from spu_initialize_trampoline;
1137         make static; update for hook parameters.
1138         * config/spu/spu-protos.h: Update decls.
1139         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
1140
1141         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
1142         from xstormy16_initialize_trampoline; make static; update for
1143         hook parameters.
1144         (TARGET_TRAMPOLINE_INIT): New.
1145         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
1146
1147         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1148         (TARGET_TRAMPOLINE_INIT): New.
1149         (v850_can_eliminate): Make static.
1150         (v850_asm_trampoline_template, v850_trampoline_init): New.
1151         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
1152         v850_asm_trampoline_template.
1153         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
1154         and adjust for target hook parameters.
1155
1156         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1157         (TARGET_TRAMPOLINE_INIT): New.
1158         (vax_asm_trampoline_template, vax_trampoline_init): New.
1159         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
1160         vax_asm_trampoline_template.
1161         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
1162
1163         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1164         (TARGET_TRAMPOLINE_INIT): New.
1165         (xtensa_asm_trampoline_template): Rename from
1166         xtensa_trampoline_template; make static.
1167         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
1168         make static; update for hook parameters.
1169         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
1170         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
1171         (INITIALIZE_TRAMPOLINE): Remove.
1172
1173         * config/i386/i386.c (ix86_function_regparm): Do not issue an
1174         error for nested functions with regparm=3.
1175         (ix86_compute_frame_layout): Adjust frame pointer offset for
1176         ix86_static_chain_on_stack.
1177         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
1178         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
1179         don't reset to UNITS_PER_WORD.
1180         (ix86_emit_leave): Adjust ix86_cfa_state.
1181         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
1182         (ix86_static_chain): New.
1183         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
1184         make static; update for target hook parameters; use ix86_static_chain.
1185         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
1186         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
1187         (INITIALIZE_TRAMPOLINE): Remove.
1188         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
1189         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
1190         to the end.  Add static_chain_on_stack.
1191         (ix86_static_chain_on_stack): New.
1192
1193         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
1194         (m68k_output_mi_thunk): Don't use static_chain_rtx.
1195         (m68k_trampoline_init): New.
1196         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
1197         m68k_trampoline_init and adjust for hook parameters.
1198         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
1199         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
1200
1201 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
1202
1203         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
1204         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
1205
1206         * reload1.c (reload): Call wrap_constant when substituting
1207         reg for equiv inside of DEBUG_INSNs.
1208
1209         PR bootstrap/41405
1210         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
1211         add_call_src_coords_attributes, add_high_low_attributes,
1212         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
1213         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
1214         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
1215         when -gdwarf-2 -gstrict-dwarf.
1216         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
1217         -gdwarf-[23] -gstrict-dwarf.
1218         (address_of_int_loc_descriptor, loc_descriptor,
1219         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
1220         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
1221         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
1222
1223 2009-09-22  Richard Guenther  <rguenther@suse.de>
1224
1225         PR tree-optimization/41428
1226         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
1227         (ccp_finalize): Pass it to substitute_and_fold.
1228
1229 2009-09-22  Richard Guenther  <rguenther@suse.de>
1230
1231         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
1232         (substitute_and_fold): Adjust prototype.
1233         * tree-vrp.c (vrp_evaluate_conditional): Make static.
1234         (simplify_stmt_using_ranges): Likewise.
1235         (fold_predicate_in): Move here from tree-ssa-propagate.c.
1236         (vrp_fold_stmt): New function.
1237         (vrp_finalize): Pass it to substitute_and_fold.
1238         * tree-flow.h (vrp_evaluate_conditional): Remove.
1239         (simplify_stmt_using_ranges): Likewise.
1240         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
1241         * tree-ssa-copy.c (fini_copy_prop): Likewise.
1242         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
1243         member.
1244         (fold_predicate_in): Move to tree-vrp.c.
1245         (substitute_and_fold): Use the callback instead of calling into
1246         tree-vrp.c functions directly.
1247
1248 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
1249
1250         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
1251         comparison warning on rs6000.
1252
1253         PR middle-end/41429
1254         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
1255         GIMPLE_EH_MUST_NOT_THROW cleanup.
1256         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
1257
1258 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
1259
1260         PR middle-end/41260
1261         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
1262         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
1263         LIB_SPEC for darwin10 and later since it always uses the unwinder in
1264         libSystem which is derived from the gcc 4.2.1 unwinder.
1265
1266 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
1267
1268         PR middle-end/41357
1269         * varasm.c (default_encode_section_info): Copy TLS model into
1270         sym_ref flags regardless of backend support for TLS, for all
1271         model types except TLS_MODEL_EMULATED.
1272
1273 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
1274
1275         PR bootstrap/41404
1276         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
1277         we can handle it correctly.
1278
1279 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
1280
1281         * doc/install.texi (os2): Remove section.
1282
1283 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
1284
1285         * doc/standards.texi (Objective-C): Adjust two URLs.
1286
1287 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
1288
1289         * tree-tailcall.c (process_assignment): Don't check if a
1290         multiplication or an addition are already present.
1291         (find_tail_calls): Combine multiple additions and multiplications.
1292         (adjust_accumulator_values): Emit accumulators.
1293
1294 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
1295
1296         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
1297         xmm register restore.
1298
1299 2009-09-21  Jan Hubicka  <jh@suse.cz>
1300
1301         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
1302         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
1303         restore at the end.
1304
1305 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
1306
1307         * stor-layout.c (layout_type): Remove obsolete code.
1308
1309 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
1310
1311         PR middle-end/41395
1312         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
1313
1314 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1315
1316         PR middle-end/30789
1317         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
1318         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
1319         (fold_builtin_2, do_mpc_arg1): Update accordingly.
1320         * fold-const.c (const_binop): Likewise.
1321         * real.h (do_mpc_arg2): Update prototype.
1322
1323 2009-09-20  Jan Hubicka  <jh@suse.cz>
1324
1325         * dwarf2out.c (add_const_value_attribute): Return true if successful.
1326         (add_location_or_const_value_attribute): Rewrite using
1327         loc_list_from_tree.
1328         (tree_add_const_value_attribute): Return true if successful.
1329         (tree_add_const_value_attribute_for_decl): Likewise.
1330
1331         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
1332         (loc_descriptor): ... here;
1333         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1334         (cst_pool_loc_descr): Break out from ...; do not reffer constant
1335         pool items that was not marked for output.
1336         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
1337         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1338         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1339         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
1340         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
1341         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
1342         DW_OP_stack_value to get address of items that are not available
1343         as addresses.
1344         (dw_loc_list): Handle single element lists correctly.
1345
1346 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
1347             Pascal Obry  <obry@adacore.com>
1348
1349         * unwind-dw2-fde.c (classify_object_over_fdes):
1350         Cast the constant 1 to _Unwind_Ptr.
1351         (add_fdes): Likewise.
1352         (linear_search_fdes): Likewise.
1353
1354 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
1355
1356         * stor-layout.c (set_sizetype): Avoid useless type copy.
1357
1358 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
1359
1360         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
1361         feature check.
1362         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
1363         * configure, config.in: Regenerate.
1364         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
1365         DW_EH_PE_absptr.
1366         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
1367         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
1368         for global data if the output could be used in a shared library.
1369         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1370         to 0 if TARGET_WRITABLE_EH_FRAME.
1371
1372 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
1373
1374         PR rtl-optimization/39886
1375         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
1376         just when insn is equal to BB_END (bb).
1377
1378 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
1379
1380         * config/mips/mips.opt (mrelax-pic-calls): New option.
1381         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
1382         the file.
1383         (mips_unspec_call): Change "unspec_call" expander into this.
1384         (mips_strip_unspec_call): New function.
1385         (mips_got_load): Call mips_unspec_call instead of
1386         gen_unspec_call<mode>.
1387         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
1388         MIPS_CALL.
1389         (mips_cfg_in_reorg): New function.
1390         (mips16_lay_out_constants): Use it to decide whether to call
1391         CFG-aware insn splitting.
1392         (r10k_insert_cache_barriers): Move CFG set-up code from here to
1393         mips_reorg.  Move DF set-up code from here ...
1394         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
1395         from here.
1396         (mips_reorg): Call mips_df_reorg instead of
1397         r10k_insert_cache_barriers.  Move CFG set-up code here from
1398         r10k_insert_cache_barriers.
1399         (mips_call_expr_from_insn): New function.
1400         (mips_pic_call_symbol_from_set): Likewise.
1401         (mips_find_pic_call_symbol): Likewise.
1402         (mips_annotate_pic_call_expr): Likewise.
1403         (mips_get_pic_call_symbol): Likewise.
1404         (mips_annotate_pic_calls): Likewise.
1405         (mips_override_options): Disable -mrelax-pic-calls unless PIC
1406         calls are used.
1407         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
1408         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
1409         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
1410         directive.
1411         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
1412         (unspec_call<mode>): Remove it.
1413         (sibcall_internal, sibcall_value_internal,
1414         sibcall_value_multiple_internal, call_internal, call_split,
1415         call_value_internal, call_value_split,
1416         call_value_multiple_internal, call_value_multiple_split): Pass
1417         SIZE_OPNO to MIPS_CALL.
1418         (call_internal_direct, call_direct_split,
1419         call_value_internal_direct, call_value_direct_split): Pass -1 as
1420         SIZE_OPNO to MIPS_CALL.
1421         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
1422         * configure: Regenerate.
1423         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
1424         and -mno-relax-pic-calls.
1425         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
1426
1427 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1428
1429         PR bootstrap/35619
1430         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
1431         in the directory this rule is called from, rather than the
1432         toplevel 'gcc' directory, to fix in-tree build.
1433
1434 2009-09-19  Chris Demetriou  <cgd@google.com>
1435
1436         PR preprocessor/28435:
1437         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
1438         to cpplib that the preprocessor output is needed.
1439
1440 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
1441
1442         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
1443         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
1444         *return_and_restore_fpregs_<mode>,
1445         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
1446
1447         PR bootstrap/41397
1448         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
1449         instead of assuming it has always a REG inside of it.
1450
1451 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
1452
1453         * config/freebsd.h: Update comment on types.
1454         (WINT_TYPE): Define.
1455
1456 2009-09-18  Jason Merrill  <jason@redhat.com>
1457
1458         * c.opt: Add -fno-deduce-init-list.
1459
1460 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
1461
1462         * value-prof.c (interesting_stringop_to_profile_p): Added output
1463         argument to indicate which parameter is the size parameter.
1464         * value-prof.c (gimple_stringop_fixed_value): Use
1465         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
1466         * value-prof.c (gimple_stringops_transform): Update call sites to
1467         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
1468
1469 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
1470
1471         PR target/38288
1472         From David Binderman <dcb314@hotmail.com>:
1473         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
1474         local variable f.  Remove stale comments.
1475         (ix86_compute_frame_layout): Remove useless local variable total_size.
1476         Remove #if 0'd code.
1477         (legitimate_address_p): Remove useless local variables
1478         reason_rtx and reason.
1479         (ix86_split_copysign_const): Remove useless local variable op1.
1480         (scale_counter): Remove useless local variable piece_size_mask.
1481
1482 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
1483
1484         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
1485         output decl.
1486
1487 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1488
1489         PR target/40913
1490         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
1491
1492 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
1493
1494         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
1495         TYPE_STUB_DECL.
1496
1497 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
1498
1499         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
1500         DW_OP_implicit_value even without dwarf_version 4.
1501
1502 2009-09-17  Jan Hubicka  <jh@suse.cz>
1503
1504         * dwarf2out.c: Include tree-pass.h and gimple.h.
1505         (loc_list_plus_const): New function.
1506         (loc_descriptor_from_tree_1): Rename to ...
1507         (loc_descriptor_from_tree): ... remove original.
1508         (loc_list_from_tree): New function.
1509         (add_AT_location_description): Accept location list.
1510         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
1511         (concatn_mem_loc_descriptor): Remove.
1512         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
1513         returning NULL.
1514         (secname_for_decl): Move up.
1515         (hidden_reference_p): New function; break out from ...
1516         (loc_by_refernece): ... here; move up.
1517         (dw_loc_list): New function.
1518         (single_element_loc_list): New function.
1519         (single_element_loc_list_p): New function.
1520         (add_loc_descr_to_each): New function.
1521         (add_loc_list): New function.
1522         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
1523         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
1524         add diagnostics why expansion failed.
1525         (add_location_or_const_value_attribute): Support location lists.
1526         (add_bound_info): Likewise.
1527         (descr_info_loc): Update call of loc_descriptor_from_tree.
1528         (gen_variable_die): Work on location lists.
1529         * final.c (pass_final): Add dump file.
1530         * Makefile.in (dwarf2out.o): Add new dependencies.
1531
1532 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
1533
1534         PR c/41049
1535         * real.c decimal_from_integer, decimal_integer_string): New.
1536         (real_from_integer): Use them as special case for decimal float.
1537         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
1538         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
1539         Do not append zero after the decimal point in string to convert.
1540
1541 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
1542
1543         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1544         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1545
1546 2009-09-17  Martin Jambor  <mjambor@suse.cz>
1547
1548         * common.opt (fipa-sra): New switch.
1549         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
1550         * timevar.def (TV_IPA_SRA): New timevar.
1551         * params.def (ipa-sra-ptr-growth-factor): New parameter.
1552         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
1553         * tree-sra.c: Include cgraph.c.
1554         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
1555         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
1556         and grp_not_necessarilly_dereferenced.
1557         (func_param_count): New variable.
1558         (encountered_apply_args): New variable.
1559         (bb_dereferences): New variable.
1560         (final_bbs): New variable.
1561         (no_accesses_representant): New variable.
1562         (no_accesses_p): New function.
1563         (dump_access): Dump the new fields.
1564         (sra_initialize): Set encountered_apply_args to false.
1565         (get_ssa_base_param): New function.
1566         (mark_parm_dereference): New function.
1567         (create_access): Caring for INIDRECT_REFs and different handling of
1568         varialble length accesses in early IPA SRA.  Store the stmt - a new
1569         parameter - to the new access.
1570         (build_access_from_expr_1): New parameter stmt, passed to
1571         create_access.  Handle INDIRECT_REFs.
1572         (build_access_from_expr): Pass the current statement to
1573         build_access_from_expr_1.
1574         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
1575         passes.
1576         (build_accesses_from_assign): Pass the current statement to
1577         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
1578         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
1579         final_bbs when necessary.  Check for calls to __builtin_apply_args.
1580         Fixup EH info if anythng was changed.
1581         (is_unused_scalar_param): New function.
1582         (ptr_parm_has_direct_uses): New function.
1583         (find_param_candidates): New function.
1584         (mark_maybe_modified): New function.
1585         (analyze_modified_params): New function.
1586         (propagate_dereference_distances): New function.
1587         (dump_dereferences_table): New function.
1588         (analyze_caller_dereference_legality): New function.
1589         (unmodified_by_ref_scalar_representative): New function.
1590         (splice_param_accesses): New function.
1591         (decide_one_param_reduction): New function.
1592         (enum ipa_splicing_result): New type.
1593         (splice_all_param_accesses): New function.
1594         (get_param_index): New function.
1595         (turn_representatives_into_adjustments): New function.
1596         (analyze_all_param_acesses): New function.
1597         (get_replaced_param_substitute): New function.
1598         (get_adjustment_for_base): New function.
1599         (replace_removed_params_ssa_names): New function.
1600         (sra_ipa_reset_debug_stmts): New function.
1601         (sra_ipa_modify_expr): New function.
1602         (sra_ipa_modify_assign): New function.
1603         (convert_callers): New function.
1604         (modify_function): New function.
1605         (ipa_sra_preliminary_function_checks): New function.
1606         (ipa_early_sra): New function.
1607         (ipa_early_sra_gate): New function.
1608         (pass_early_ipa_sra): New variable.
1609         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
1610
1611 2009-09-17  Michael Matz  <matz@suse.de>
1612
1613         PR middle-end/41347
1614         * tree.c (build_type_attribute_qual_variant): Export.
1615         * tree.h (build_type_attribute_qual_variant): Declare.
1616         * tree-inline.c (remap_type_1): Use it to build variants with
1617         the original qualifiers and attributes.
1618
1619 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1620
1621         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
1622         without a fallthrough edge.
1623
1624 2009-09-16  DJ Delorie  <dj@redhat.com>
1625
1626         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
1627         chip and ignore the "fast_interrupt" attribute if so.
1628
1629 2009-09-16  Richard Henderson  <rth@redhat.com>
1630
1631         PR middle-end/41360
1632         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
1633         barrier fix.
1634
1635 2009-09-16  Richard Henderson  <rth@redhat.com>
1636
1637         PR target/41246
1638         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
1639         is set only if DECL_NO_STATIC_CHAIN is unset.
1640         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
1641         (FOR_EACH_NEST_INFO): New.
1642         (walk_all_functions): Use it.
1643         (finalize_nesting_tree): Likewise.
1644         (unnest_nesting_tree): Likewise.
1645         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
1646         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
1647         (convert_gimple_call): Early out if gimple_call_chain already set.
1648         (convert_all_function_calls): Iterate until no new functions
1649         require a static chain.
1650         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
1651         when building a trampoline.  Use dump_function_to_file instead
1652         of dump_function.
1653         (lower_nested_functions): Open dump_file.  Validate that decls
1654         that have DECL_NO_STATIC_CHAIN from the front end don't have that
1655         bit reset by this pass.
1656
1657 2009-09-16  Michael Matz  <matz@suse.de>
1658
1659         PR fortran/41212
1660         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
1661         shorten decl_common_unused.
1662         (DECL_RESTRICTED_P): New accessor.
1663         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
1664         to disambiguate marked decls and restrict pointers.
1665
1666 2009-09-16  Richard Henderson  <rth@redhat.com>
1667
1668         PR middle-end/41360
1669         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
1670
1671 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
1672
1673         * integrate.c (set_block_abstract_flags): Call
1674         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
1675
1676 2009-09-16  Richard Guenther  <rguenther@suse.de>
1677
1678         PR middle-end/34011
1679         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
1680         as non-aliased.
1681
1682 2009-09-16  DJ Delorie  <dj@redhat.com>
1683             Kaz Kojima  <kkojima@gcc.gnu.org>
1684
1685         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
1686         (sh_expand_prologue): Update calls to output_stack_adjust.
1687         (sh_expand_epilogue): Likewise.
1688
1689 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
1690
1691         PR bootstrap/41349
1692         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
1693         trying to limit the extent of searches in the insn stream.
1694
1695 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
1696             Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR target/41175
1699         PR target/40677
1700         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
1701         problem.
1702         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
1703         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
1704         (rs6000_savres_strategy): Always save FP registers inline if the
1705         target doesn't support hardware double-precision.  Set the above
1706         bits in return value when needed.
1707         (rs6000_savres_routine_sym): Fix computation for cache selector.
1708         Mark the generated symbol as a function.  Rename exitp argument to
1709         lr.  Move code for determining the name of the symbol...
1710         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
1711         getting the names right on AIX and 64-bit Linux.
1712         (savres_routine_name): New variable.
1713         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
1714         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
1715         on what the target routine uses as a base register.  If savep && lr
1716         describe saving of r0 into memory slot.
1717         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
1718         line calls for AIX ABI.
1719         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
1720         determine FP save/restore functions.
1721         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
1722         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
1723         gen_addsi3.
1724         (rs6000_emit_epilogue): Adjust computation of restore_lr.
1725         Duplicate restoration of LR and execute the appropriate one
1726         depending on whether GPRs are being restored inline.  Set r11 from
1727         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
1728         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
1729         Fix out of line calls for AIX ABI.
1730         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
1731         New insn.
1732         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
1733         register 11.
1734         (*restore_gpregs_spe): Likewise.
1735         (*return_and_restore_gpregs_spe): Likewise.
1736         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
1737         Define to empty string unconditionally.
1738         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
1739         Define to empty string unconditionally.
1740         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
1741         !TARGET_64BIT.
1742
1743 2009-09-15  Jan Hubicka  <jh@suse.cz>
1744
1745         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
1746         * params.def (inline-insns-auto): Likewise.
1747
1748 2009-09-15  Martin Jambor  <mjambor@suse.cz>
1749
1750         * ipa-inline.c (estimate_function_body_sizes): Dump info about
1751         individual statements only at TDF_DETAILS dump level.  Format
1752         source for 80 characters per line.
1753
1754 2009-09-15  Christian Bruel  <christian.bruel@st.com>
1755
1756         * regrename.c (do_replace): Update REG_DEAD notes.
1757
1758 2009-09-15  Revital Eres  <eres@il.ibm.com>
1759
1760         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
1761         * targhooks.c (default_builtin_support_vector_misalignment):
1762         New builtin function.
1763         * targhooks.h (default_builtin_support_vector_misalignment):
1764         Declare.
1765         * target.h (builtin_support_vector_misalignment):
1766         New field in struct gcc_target.
1767         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
1768         new builtin function.
1769         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
1770         Define.
1771         * config/rs6000/rs6000.c
1772         (rs6000_builtin_support_vector_misalignment): New function.
1773         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
1774
1775 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
1776
1777         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
1778         instead of INSN_P.
1779         (bfin_optimize_loop): Likewise.
1780         (bfin_gen_bundles): Likewise.
1781         (workaround_speculation): Likewise.
1782         (find_load): Return NULL_RTX for debug_insn.
1783
1784 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
1785
1786         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
1787         (sminsf3): Ditto.
1788
1789 2009-09-14  DJ Delorie  <dj@redhat.com>
1790
1791         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
1792         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
1793         VLIW mode.
1794
1795 2009-09-14  Richard Henderson  <rth@redhat.com>
1796             Jakub Jelinek  <jakub@redhat.com>
1797
1798         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
1799         * cfgbuild.c (make_edges): Handle asm goto.
1800         * cfglayout.c (fixup_reorder_chain): Likewise.
1801         * cfgrtl.c (patch_jump_insn): Likewise.
1802         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
1803         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
1804         (gimple_build_asm_vec): Add and use labels parameter.
1805         (gimple_build_asm): Remove.
1806         (walk_gimple_asm): Walk labels too.
1807         * gimple.def (GIMPLE_ASM): Update docs.
1808         * gimple.h: Update decls.
1809         (struct gimple_statement_asm): Change nc to use unsigned char;
1810         add nl member.
1811         (gimple_asm_nlabels): New.
1812         (gimple_asm_label_op, gimple_asm_set_label_op): New.
1813         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
1814         into gimple_build_asm_vec.
1815         * jump.c (mark_jump_label_asm): New.
1816         (mark_jump_label): Use it.
1817         (redirect_jump_1): Handle asm goto.
1818         (invert_jump_1): Soft fail if X is null.
1819         * recog.c (extract_asm_operands): New.
1820         (asm_noperands): Use it; handle asm labels.
1821         (decode_asm_operands): Use extract_asm_operands.
1822         (asm_operand_ok): Properly handle empty string.
1823         * reg-stack.c (get_asm_operands_in_out): Rename from
1824         get_asm_operand_n_inputs; use extract_asm_operands; return both
1825         inputs and outputs by reference; update all callers.
1826         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
1827         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
1828         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
1829         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
1830         (extract_asm_operands): Declare.
1831         * stmt.c (expand_asm_operands): Add and use labels parameter.
1832         (check_unique_operand_names): Likewise.
1833         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
1834         (expand_asm_stmt): Handle asm labels.
1835         * tree-cfg.c (make_gimple_asm_edges): New.
1836         (make_edges): Use it.
1837         (cleanup_dead_labels): Handle asm labels.
1838         (is_ctrl_altering_stmt): Likewise.
1839         (gimple_redirect_edge_and_branch): Likewise.
1840         * tree.def (ASM_EXPR): Add 5th operand.
1841         * tree.h (ASM_LABELS): New.
1842         (resolve_asm_operand_names): Update decl.
1843
1844         * c-parser.c (c_parser_asm_statement): Parse asm goto.
1845         (c_parser_asm_goto_operands): New.
1846         * c-tree.h (build_asm_expr): Update decl.
1847         * c-typeck.c (build_asm_expr): Add and use labels parameter.
1848         * doc/extend.texi: Document asm goto.
1849
1850 2009-09-14  Richard Henderson  <rth@redhat.com>
1851
1852         * except.h: Update declarations.
1853         (struct pointer_map_t): Forward declare.
1854         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
1855         (struct eh_landing_pad_d, eh_landing_pad): New.
1856         (struct eh_catch_d, eh_catch): New.
1857         (struct eh_region_d): Remove next_region_sharing_label, aka,
1858         label, tree_label, landing_pad, post_landing_pad, resume,
1859         may_contain_throw.  Rename region_number to index.  Remove
1860         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
1861         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
1862         (VEC(eh_landing_pad,gc)): New.
1863         (struct eh_status): Remove last_region_number.  Add lp_array,
1864         throw_stmt_table, ttype_data, ehspec_data.
1865         (ehr_next, FOR_ALL_EH_REGION_AT): New.
1866         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
1867         * except.c (lang_protect_cleanup_actions): Return tree.
1868         (struct ehl_map_entry): Remove.
1869         (init_eh_for_function): Push zero entries for region and lp_array.
1870         (gen_eh_region): Add to region_array immediately.
1871         (gen_eh_region_catch): Operate on eh_catch objects.
1872         (gen_eh_landing_pad): New.
1873         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
1874         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
1875         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
1876         (get_eh_landing_pad_from_number_fn): New.
1877         (get_eh_landing_pad_from_number): New.
1878         (get_eh_region_from_lp_number_fn): New.
1879         (get_eh_region_from_lp_number): New.
1880         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
1881         (get_exception_pointer, get_exception_filter): Remove.
1882         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
1883         (current_function_has_exception_handlers): Simplify.
1884         (bring_to_root, eh_region_replaceable_by_p): Remove.
1885         (replace_region, hash_type_list, hash_eh_region): Remove.
1886         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
1887         (label_to_region_map, num_eh_regions): Remove.
1888         (get_next_region_sharing_label, must_not_throw_labels): Remove.
1889         (find_exception_handler_labels): Remove.
1890         (duplicate_eh_regions_0, find_prev_try): Remove.
1891         (struct duplicate_eh_regions_data): New.
1892         (duplicate_eh_regions_1): Rewrite.
1893         (duplicate_eh_regions): Return a pointer map instead of an
1894         integer offset.
1895         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
1896         (redirect_eh_edge_to_label): Remove.
1897         (eh_region_outermost): Rewrite using eh_region pointers
1898         instead of integers.
1899         (add_ttypes_entry): Update for ttype_data move to eh_status.
1900         (add_ehspec_entry): Rewrite with VEC instead of varray.
1901         (assign_filter_values): Likewise.  Export.
1902         (build_post_landing_pads, connect_post_landing_pads): Remove.
1903         (dw2_build_landing_pads): Rewrite to use lp_array.
1904         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
1905         (sjlj_assign_call_site_values): Rewrite to use lp_array.
1906         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
1907         (sjlj_mark_call_sites): Update for landing pad numbers.
1908         (finish_eh_generation): Rewrite.
1909         (gate_handle_eh): Do nothing for no eh tree.
1910         (pass_rtl_eh): Move up near finish_eh_generation.
1911         (remove_eh_landing_pad): New.
1912         (remove_eh_handler): Export.
1913         (remove_eh_region, remove_eh_handler_and_replace): Remove.
1914         (for_each_eh_label): Rewrite to use lp_array.
1915         (make_reg_eh_region_note): New.
1916         (make_reg_eh_region_note_nothrow_nononlocal): New.
1917         (insn_could_throw_p): New.
1918         (copy_reg_eh_region_note_forward): New.
1919         (copy_reg_eh_region_note_backward): New.
1920         (check_handled, add_reachable_handler): Remove.
1921         (reachable_next_level, foreach_reachable_handler): Remove.
1922         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
1923         (get_eh_region_and_lp_from_rtx): New.
1924         (get_eh_region_from_rtx): New.
1925         (can_throw_internal_1, can_throw_external_1): Remove.
1926         (can_throw_internal): Use get_eh_region_from_rtx.
1927         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
1928         (insn_nothrow_p, can_nonlocal_goto): New.
1929         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
1930         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
1931         (add_action_record): Use VEC not varray.
1932         (collect_one_action_chain): Update for eh_region changes.
1933         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
1934         Use get_eh_region_and_lp_from_rtx.
1935         (gate_convert_to_eh_region_ranges): New.
1936         (pass_convert_to_eh_region_ranges): Use it.
1937         (push_uleb128, push_sleb128): Use VEC not varray.
1938         (output_one_function_exception_table): Likewise.
1939         (dump_eh_tree): Update for eh_region changes.
1940         (verify_eh_tree): Likewise.
1941         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
1942         * tree-eh.c: Include target.h.
1943         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
1944         Don't disallow GIMPLE_RESX; adjust argument check.
1945         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
1946         (record_stmt_eh_region): Update for landing pad numbers;
1947         generate a landing pad if necessary.
1948         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
1949         (remove_stmt_from_eh_lp_fn): Similarly.
1950         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
1951         Update for lp numbers; don't special case missing throw_stmt_table.
1952         (lookup_expr_eh_lp): Similarly.
1953         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
1954         (eh_seq, eh_region_may_contain_throw): New.
1955         (struct leh_state): Add ehp_region.
1956         (struct leh_tf_state): Remove eh_label.
1957         (emit_post_landing_pad): New.
1958         (emit_resx, emit_eh_dispatch): New.
1959         (note_eh_region_may_contain_throw): New.
1960         (frob_into_branch_around): Take eh_region not eh label;
1961         emit eh code into eh_seq.
1962         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
1963         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
1964         lower_eh_must_not_throw.  Emit code to eh_seq.
1965         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
1966         (lower_try_finally_onedest): Likewise.
1967         (lower_try_finally_copy): Likewise.
1968         (lower_try_finally_switch): Likewise.
1969         (lower_try_finally): Initialize ehp_region.
1970         (lower_catch): Update for eh_catch objects.
1971         (lower_eh_filter): Don't handle must_not_throw.
1972         (lower_eh_must_not_throw): New.
1973         (lower_cleanup): Don't set eh_label.
1974         (lower_eh_constructs_2): Resolve eh builtins.
1975         Handle GIMPLE_EH_MUST_NOT_THROW.
1976         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
1977         Add eh_seq to the end of the function body.
1978         (make_eh_dispatch_edges): New.
1979         (make_eh_edge): Remove.
1980         (make_eh_edges): Simplify for landing pads.
1981         (redirect_eh_edge_1): New.
1982         (redirect_eh_edge): Use it.
1983         (redirect_eh_dispatch_edge): New.
1984         (stmt_could_throw_p): Use a switch.  Allow RESX.
1985         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
1986         (stmt_can_throw_internal): Likewise.
1987         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
1988         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
1989         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
1990         (gate_refactor_eh): New.
1991         (pass_refactor_eh): Use it.
1992         (lower_resx, execute_lower_resx, pass_lower_resx): New.
1993         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
1994         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
1995         (remove_unreachable_handlers): Rename from
1996         tree_remove_unreachable_handlers; rewrite for landing pads;
1997         call remove_eh_handler directly.
1998         (remove_unreachable_handlers_no_lp): New.
1999         (unsplit_eh, unsplit_all_eh): New.
2000         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
2001         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
2002         (cleanup_empty_eh_unsplit): New.
2003         (cleanup_empty_eh): Rewrite.
2004         (cleanup_all_empty_eh): New.
2005         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
2006         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
2007         (gate_cleanup_eh): New.
2008         (pass_cleanup_eh): Use it.
2009         (verify_eh_edges): Move later in file.  Expect one EH edge.
2010         (verify_eh_dispatch_edge): New.
2011
2012         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
2013         (gtype-desc.o): Add TARGET_H.
2014         (tree.o): Use EXCEPT_H, not except.h.
2015         (cfgbuild.o): Add EXPR_H.
2016         (GTFILES): Add vecprim.h.
2017         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
2018         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
2019         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
2020         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
2021         * calls.c (emit_call_1): Use make_reg_eh_region_note.
2022         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
2023         calls to can_throw_internal.
2024         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
2025         (make_edges): Don't handle RESX; use can_nonlocal_goto.
2026         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
2027         (expand_gimple_stmt): Use make_reg_eh_region_note.
2028         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
2029         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
2030         or find_exception_handler_labels.
2031         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
2032         there is exacly one EH edge.  Use can_nonlocal_goto and
2033         can_throw_internal.
2034         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
2035         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
2036         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
2037         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
2038         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
2039         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
2040         * dse.c (scan_insn): Use insn_could_throw_p.
2041         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
2042         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
2043         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
2044         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
2045         EXC_PTR_EXPR or FILTER_EXPR.
2046         (tree_expr_nonzero_warnv_p): Likewise.
2047         * function.h: Include vecprim.h, not varray.h
2048         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
2049         move ttype_data and ehspec_data members to struct eh_status; change
2050         action_record_data member to a VEC.
2051         * gcse.c (hash_scan_set): Use can_throw_internal.
2052         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
2053         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
2054         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
2055         (block_may_fallthru): Don't handle RESX_EXPR.
2056         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
2057         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
2058         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
2059         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
2060         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
2061         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
2062         (gimple_size): Likewise.
2063         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
2064         (gimple_build_resx): Use gimple_build_with_ops.
2065         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
2066         (is_gimple_val): Likewise.
2067         (is_gimple_stmt): Remove RESX_EXPR.
2068         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
2069         (GIMPLE_RESX): Reorder with other EH constructs.
2070         * gimple.h (struct gimple_statement_eh_mnt): New.
2071         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
2072         (gimple_eh_filter_must_not_throw): Remove.
2073         (gimple_eh_filter_set_must_not_throw): Remove.
2074         (gimple_eh_must_not_throw_fndecl): New.
2075         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
2076         (is_gimple_resx): New.
2077         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
2078         Don't copy EH_FILTER_MUST_NOT_THROW.
2079         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
2080         * ipa-inline.c (estimate_function_body_sizes): Don't try to
2081         handle must_not_throw_labels specially.
2082         * ipa-pure-const.c (check_call): Update debug statement for LP.
2083         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
2084         * ipa-utils.c (get_base_var): Likewise.
2085         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
2086         * lower-subreg.c (move_eh_region_note): Remove.
2087         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
2088         * omp-low.c (new_omp_context): Update for eh_lp_nr.
2089         (create_task_copyfn): Likewise.
2090         (maybe_catch_exception): Use gimple_build_eh_filter.
2091         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
2092         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
2093         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
2094         and pass_lower_resx.
2095         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
2096         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
2097         can_throw_internal, can_nonlocal_goto.
2098         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
2099         copy_reg_eh_region_note_forward.
2100         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
2101         (emit_output_reload_insns): Likewise.
2102         (copy_eh_notes): Remove.
2103         * rtl.def (RESX): Remove.
2104         * rtl.h: Update declarations.
2105         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
2106         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
2107         (update_eh_label): Remove.
2108         (cleanup_dead_labels_eh): New.
2109         (cleanup_deal_labels): Use it instead of update_eh_label.
2110         (gimple_merge_blocks): Update landing pad data structure when
2111         removing a landing pad label.
2112         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
2113         test; handle GIMPLE_EH_MUST_NOT_THROW.
2114         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
2115         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
2116         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
2117         (verify_stmt): Likewise.  Verify landing pads.
2118         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
2119         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
2120         (struct move_stmt_d): Add eh_map.
2121         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
2122         (move_stmt_r): Remap eh region numbers in builtin calls,
2123         resx and eh_dispatch.
2124         (move_block_to_fn): Remove eh_offset parameter.  Use
2125         maybe_duplicate_eh_stmt_fn.
2126         (find_outermost_region_in_block): Operate on eh_region pointers
2127         instead of region numbers.
2128         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
2129         duplicate_eh_regions.
2130         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
2131         test earlier.  Disallow EH landing pads.
2132         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
2133         * tree-flow.h: Update declarations.
2134         (struct tree_ann_common_d): Replace rn with lp_nr.
2135         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
2136         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
2137         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
2138         resx and eh_dispatch.
2139         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
2140         (copy_edges_for_bb): Use make_eh_dispatch_edges.
2141         (copy_cfg_body): Expect eh_map instead of eh_region_offset
2142         from duplicate_eh_regions.
2143         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
2144         update RESX; handle EH_DISPATCH.
2145         (expand_call_inline): Set eh_lp_nr, not eh_region.
2146         (maybe_inline_call_in_expr): Likewise.
2147         * tree-inline.h (struct copy_body_data): Replace eh_region with
2148         eh_lp_nr, eh_region_offset with eh_map.
2149         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
2150         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
2151         * tree-pretty-print.c (dump_generic_node): Don't handle
2152         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
2153         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
2154         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
2155         EXC_PTR_EXPR, FILTER_EXPR.
2156         * tree-ssa-operands.c (get_expr_operands): Likewise.
2157         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
2158         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2159         (ao_ref_init_from_vn_reference): Likewise.
2160         * tree-ssa-sink.c (statement_sink_location): Likewise.
2161         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2162         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
2163         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
2164         EXC_PTR_EXPR, FILTER_EXPR.
2165         (is_exception_related): Remove.
2166         (compute_avail): Don't call it.
2167         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
2168         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
2169         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
2170         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
2171         Build EH builtins.
2172         (build_resx): Remove.
2173         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
2174         * tree.h: Update declarations.
2175         (EH_FILTER_MUST_NOT_THROW): Remove.
2176         (struct tree_label_decl): Add eh_landing_pad_nr.
2177         (EH_LANDING_PAD_NR): New.
2178         * value-prof.c (gimple_ic): Tidy variable names.  Update for
2179         landing pad numbers.
2180         (gimple_stringop_fixed_value): Tidy variable names.  Assert
2181         that neither call stmt can throw.
2182         * vecprim.h (uchar): New.
2183         (VEC(uchar,heap), VEC(uchar,gc)): New.
2184
2185         * c-common.c (c_define_builtins): Update call to
2186         build_common_builtin_nodes.
2187         * c-parser.c (c_parse_file): Don't call
2188         default_init_unwind_resume_libfunc.
2189
2190 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
2191
2192         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
2193         (mips_cprestore_address_p): Likewise.
2194         (mips_save_gp_to_cprestore_slot): Likewise.
2195         (mips_restore_gp): Rename to...
2196         (mips_restore_gp_from_cprestore_slot): ...this.
2197         (mips_must_initialize_gp_p): Declare.
2198         (mips_emit_save_slot_move): Likewise.
2199         (mips_output_load_label): Return nothing.
2200         (mips_eh_uses): Declare.
2201         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
2202         (TARGET_CPRESTORE_DIRECTIVE): New macro.
2203         (TARGET_ABSOLUTE_JUMPS): Likewise.
2204         (EH_USES): Likewise.
2205         (FIRST_PSEUDO_REGISTER): Update comment.
2206         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
2207         (MIPS_CALL): ...here.
2208         (REGISTER_NAMES): Add $cprestore.
2209         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
2210         Add load_label_length, has_inflexible_gp_insn_p,
2211         has_flexible_gp_insn_p, must_initialize_gp_p and
2212         must_restore_gp_when_clobbered_p.
2213         (mips_expand_call): Don't generate split instructions here.
2214         (mips_split_call): Update the call to mips_restore_gp after
2215         the above name change.
2216         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
2217         (mips_find_gp_ref): New function.
2218         (mips_insn_has_inflexible_gp_ref_p): Likewise.
2219         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
2220         (mips_insn_has_flexible_gp_ref_p): Likewise.
2221         (mips_cfun_has_flexible_gp_ref_p): Likewise.
2222         (mips_function_has_gp_insn): Delete.
2223         (mips_global_pointer): Drop the df_regs_ever_live_p check.
2224         Use the new functions above.  Only return INVALID_REGNUM
2225         for TARGET_ABSOLUTE_JUMPS.
2226         (mips_must_initialize_gp_p): New function.
2227         (mips_get_cprestore_base_and_offset): New function, extracted from...
2228         (mips_cprestore_slot): ...here.  Take a bool parameter.
2229         (mips_cfun_has_cprestore_slot_p): New function.
2230         (mips_cprestore_address_p): Likewise.
2231         (mips_save_gp_to_cprestore_slot): Likewise.
2232         (mips_restore_gp): Rename to...
2233         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
2234         epilogue_completed.  Update the call to mips_cprestore_slot.
2235         Test cfun->machine->must_restore_gp_when_clobbered_p.
2236         (mips_direct_save_slot_move_p): New function.
2237         (mips_emit_save_slot_move): Likewise.
2238         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
2239         of cfun->machine->global_pointer.
2240         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
2241         (mips_save_reg): Use mips_emit_save_slot_move.
2242         (mips_expand_prologue): Set must_initialize_gp_p.
2243         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
2244         for all cprestore saves.  Emit a use_cprestore instruction after
2245         setting up the cprestore slot.
2246         (mips_restore_reg): Use mips_emit_save_slot_move.
2247         (mips_process_load_label): New function.
2248         (mips_load_label_length): Likewise.
2249         (mips_output_load_label): Don't return asm: output it here instead.
2250         Use mips_process_load_label.
2251         (mips_adjust_insn_length): Adjust the length of branch instructions
2252         that have length MAX_PIC_BRANCH_LENGTH.
2253         (mips_output_conditional_branch): Update the call to
2254         mips_output_load_label.  Assume the branch target is OPERANDS[0]
2255         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
2256         (mips_output_order_conditional_branch): Swap the meaning of
2257         OPERANDS[0] and OPERANDS[1].
2258         (mips_variable_issue): Don't count ghost instructions.
2259         (mips_expand_ghost_gp_insns): New function.
2260         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
2261         (mips_output_mi_thunk): Set must_initialize_gp_p.
2262         (mips_eh_uses): New function.
2263         * config/mips/predicates.md (cprestore_save_slot_operand)
2264         (cprestore_load_slot_operand): New predicates.
2265         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
2266         (UNSPEC_MOVE_GP): Likewise.
2267         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
2268         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
2269         (CPRESTORE_SLOT_REGNUM): New register.
2270         (MAX_PIC_BRANCH_LENGTH): New constant.
2271         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
2272         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
2273         branches.  Fix commentary.
2274         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
2275         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
2276         Change type to "ghost".
2277         (loadgp_absolute_<mode>): Likewise.
2278         (loadgp_rtp_<mode>): Likewise.
2279         (copygp_mips16): Likewise.
2280         (loadgp_blockage): Remove redundant mode attribute.
2281         (potential_cprestore): New instruction.
2282         (cprestore): Turn into an unspec set.
2283         (use_cprestore): New instruction.
2284         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
2285         (*branch_fp_inverted): Likewise.
2286         (*branch_order<mode>): Likewise.
2287         (*branch_order<mode>_inverted): Likewise.
2288         (*branch_equality<mode>): Likewise.
2289         (*branch_equality<mode>_inverted): Likewise.
2290         (*branch_bit<bbv><mode>): Likewise.
2291         (*branch_bit<bbv><mode>_inverted): Likewise.
2292         (*branch_equality<mode>_mips16): Remove redundant mode.
2293         (jump): Turn into a define_expand.
2294         (*jump_absolute): New instruction.
2295         (*jump_pic): Likewise.
2296         (*jump_mips16): Rename previously-unnamed pattern.  Remove
2297         redundant mode attribute.
2298         (restore_gp): Split on epilogue_completed rather than
2299         reload_completed.  Change type to "ghost".
2300         (move_gp<mode>): New instruction.
2301         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
2302         Remove redundant mode attribute.
2303         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
2304         (bc1any4f, bc1any2t, bc1any2f): Likewise.
2305         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
2306
2307 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2308
2309         PR target/41210
2310         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
2311         are returned in the same register (vs34 or v2) that Altivec vector
2312         types are returned in.
2313         (rs6000_libcall_value): Ditto.
2314
2315         PR target/41331
2316         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
2317         instead of explicit addsi3/adddi3 calls.
2318         (rs6000_split_multireg_move): Ditto.
2319         (rs6000_emit_allocate_stack): Ditto.
2320         (rs6000_emit_prologue): Ditto.
2321         (rs6000_output_mi_thunk): Ditto.
2322
2323         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
2324         size is 64 bits if we can use 64-bit registers.
2325
2326 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2327
2328         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
2329         symbols.
2330
2331         From Jie Zhang <jie.zhang@analog.com>:
2332         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
2333         save FP and RETS with saveall attribute.
2334         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
2335         with saveall attribute.
2336
2337         * config/bfin/bfin.c (bfin_expand_builtin,
2338         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
2339         operands.
2340
2341         From Jie Zhang <jie.zhang@analog.com>:
2342         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
2343         before use in two places.
2344         * config/bfin/bfin.md (AREG): Define mode iterator.
2345         (reload_in, reload_out): Use mode iterator AREG.
2346
2347 2009-09-14  Richard Guenther  <rguenther@suse.de>
2348
2349         PR middle-end/41350
2350         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
2351         EH personality path.
2352
2353 2009-09-13  Richard Guenther  <rguenther@suse.de>
2354             Rafael Avila de Espindola  <espindola@google.com>
2355
2356         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
2357         (LANG_HOOKS_EH_PERSONALITY): Likewise.
2358         (LANG_HOOKS_INITIALIZER): Adjust.
2359         (lhd_pass_through_t): Declare.
2360         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
2361         eh_personality.
2362         * langhooks.c (lhd_pass_through_t): New function.
2363         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
2364         dwarf2out_begin_prologue): Use personality from current_function_decl.
2365         * expr.h (get_personality_function): Declare.
2366         * expr.c (get_personality_function): New function.
2367         (build_personality_function): Likewise.
2368         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
2369         (eh_personality_libfunc): Remove.
2370         * optabs.c (build_libfunc_function): New function split out from ...
2371         (init_one_libfunc): ... here.
2372         * tree.h (DECL_FUNCTION_PERSONALITY): New.
2373         (tree_function_decl): Add personality.
2374         (lhd_gcc_personality): Declare.
2375         (build_personality_function): Likewise.
2376         * tree.c (gcc_eh_personality_decl): New.
2377         (lhd_gcc_personality): New function.
2378         * except.h (lang_eh_runtime_type): Remove.
2379         (enum eh_personality_kind): New.
2380         (build_personality_function): Declare.
2381         (function_needs_eh_personality): Declare.
2382         * except.c (lang_eh_runtime_type): Remove.
2383         (function_needs_eh_personality): New function.
2384         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
2385         (sjlj_emit_function_enter, output_function_exception_table):
2386         Use personality from current_function_decl.
2387         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
2388         * tree-inline.c (tree_can_inline_p): Do not inline across different
2389         EH personalities.
2390         (expand_call_inline): Likewise.  Adjust the callers EH personality.
2391         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
2392         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
2393         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
2394         (c-parser.o): Likewise
2395         * c-tree.h (c_eh_initialized_p): Remove.
2396         (c_maybe_initialize_eh): Likewise.
2397         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
2398         (finish_decl): Don't call c_maybe_initialize_eh.
2399         (c_eh_initialized_p): Remove.
2400         (c_maybe_initialize_eh): Likewise.
2401         * c-parser.c (c_parser_omp_construct): Likewise.
2402         (c_parse_file): Initialize exception handling.
2403
2404 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
2405
2406         * config.gcc (tm_file): Remove i386/biarch32.h
2407         for i?86-w64-mingw* case.
2408         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
2409         support.
2410         * config.host: Set for x64 mingw the option
2411         use_long_long_for_widest_fast_int to yes.
2412
2413 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
2414
2415         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2416         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
2417         (dbxout_begin_function): Likewise.
2418         * final.c (dwarf2_debug_info_emitted_p): New predicate.
2419         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
2420         set on the function.
2421         (final_end_function): Likewise.
2422         (final_scan_insn): Likewise.
2423         (rest_of_handle_final): Likewise.
2424         * varasm.c (assemble_start_function): Likewise.
2425         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2426
2427 2009-09-12  Jason Merrill  <jason@redhat.com>
2428
2429         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
2430         * opts.c (common_handle_option): constify.
2431
2432 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
2433
2434         * doc/install.texi (avr): Remove obsolete reference site.
2435
2436 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
2437
2438         * doc/install.texi (Binaries): Adjust AIX link.
2439
2440 2009-09-12  Akim Demaille  <demaille@gostai.com>
2441
2442         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
2443         Use an imperative sentence.
2444
2445 2009-09-11  Richard Henderson  <rth@redhat.com>
2446
2447         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
2448         structure-name and has-tree-operands arguments; update all entries.
2449         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
2450         update all entries.
2451         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
2452         (gsstruct_code_size): New.
2453         (gss_for_code_): New.
2454         (gss_for_code): Remove.
2455         (gimple_size): Rewrite using gsstruct_code_size.
2456         (gimple_statement_structure): Move to gimple.h.
2457         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
2458         (gss_for_code, gimple_statement_structure): New.
2459         (gimple_ops): Use new arrays; tidy.
2460
2461 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2462
2463         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
2464         operand to be a PLUS expression.
2465         * config/pa/pa.c (pa_secondary_reload): Likewise.
2466
2467 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
2468
2469         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
2470
2471         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
2472         XEXP (in_rtx, 8).
2473
2474 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2475
2476         From Jie Zhang <jie.zhang@analog.com>:
2477         * doc/extend.texi (node Function Attributes): Document l2
2478         function attribute.
2479         (node Blackfin Variable Attributes): Document l2 variable attributes.
2480
2481 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
2482
2483         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
2484         to match the system compiler's configuration at inflection point.
2485         Add comment to remark a remaining difference with system compiler.
2486
2487         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
2488         * configure: Regenerate.
2489
2490 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2491
2492         From Jie Zhang <jie.zhang@analog.com>:
2493         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
2494         (bfin_handle_l2_attribute): New.
2495         (bfin_attribute_table): Add l2 attribute.
2496
2497 2009-09-11  Michael Matz  <matz@suse.de>
2498
2499         PR middle-end/41275
2500         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
2501         on the local_decls list.
2502
2503 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
2504
2505         PR debug/41276
2506         PR debug/41307
2507         * cselib.c (cselib_expand_value_rtx_cb): Document callback
2508         interface.
2509         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
2510         for VALUEs, to implement the documented interface.
2511         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
2512         Adjust for VALUEs and anything else, to implement the
2513         documented interface.
2514
2515 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
2516
2517         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
2518         with actual SPE/paired vector modes before using 64-bit alignment.
2519         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
2520
2521 2009-09-10  DJ Delorie  <dj@redhat.com>
2522
2523         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
2524         emitted.
2525
2526         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
2527         * config/mep/mep.c (mep_legitimate_constant_p): New.
2528         * config/mep/mep-protos.h: Prototype it.
2529
2530 2009-09-10  Richard Henderson  <rth@redhat.com>
2531
2532         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
2533
2534 2009-09-10  Jason Merrill  <jason@redhat.com>
2535
2536         * tree.c (chain_index): New fn.
2537         * tree.h: Declare it.
2538
2539 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2540
2541         * config/sol2-c.c (cmn_err_length_specs): Initialize
2542         scalar_identity_flag.
2543
2544 2009-09-10  Richard Henderson  <rth@redhat.com>
2545
2546         * tree.h (struct tree_decl_common): Move align member earlier;
2547         move label_decl_uid member ...
2548         (struct tree_label_decl): ... here.
2549         (LABEL_DECL_UID): Update to match.
2550
2551         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
2552         not TDF_DETAILS.
2553
2554         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
2555         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
2556
2557         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
2558         dest_prev if the edge is complex.
2559
2560         * tree-cfg.c (is_ctrl_stmt): Use a switch.
2561
2562         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
2563         loop latch tests earlier.
2564
2565         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
2566         before GIMPLE_RETURN, not after its predecessor; insert
2567         before GIMPLE_RESX.
2568
2569         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
2570         gimple_seq_empty_p to test for no PHI nodes.
2571         * tree-cfg.c (split_critical_edges): Likewise.
2572
2573         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
2574
2575 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
2576
2577         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
2578         introduced by the VTA branch merge.
2579
2580 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         * ira-conflicts.c: Use fputs or putc instead of fprintf
2583         where appropriate.
2584         * cfg.c: Ditto.
2585         * toplev.c: Ditto.
2586         * tree-switch-conversion.c: Ditto.
2587
2588 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
2589
2590         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
2591         introduced by the VTA branch merge.
2592
2593 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
2594
2595         Revert:
2596         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
2597
2598         PR rtl-optimization/39779
2599         * expr.c (convert_modes): Return when mode == oldmode after
2600         CONST_INTs are processed.
2601
2602 2009-09-10  Nick Clifton  <nickc@redhat.com>
2603
2604         * config/mep/mep.c (mep_encode_section_info): Copy weakness
2605         attribute and referring decl when creating renamed symbol.
2606
2607 2009-09-10  Richard Guenther  <rguenther@suse.de>
2608
2609         PR middle-end/41257
2610         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
2611         reachable nodes.
2612         (cgraph_finalize_compilation_unit): Compute reachability
2613         before emitting thunks.  Properly process aliases before
2614         possibly removing unreachable nodes.
2615
2616 2009-09-10  Richard Guenther  <rguenther@suse.de>
2617
2618         PR middle-end/41254
2619         * tree.c (struct free_lang_data_d): Add worklist member.
2620         (find_decls_types_r): Push onto the worklist instead of recursing.
2621         Handle TREE_BINFOs properly.
2622         (find_decls_types): New function wrapped around find_decls_types_r
2623         to process the worklist.
2624         (find_decls_types_in_eh_region): Use it.
2625         (find_decls_types_in_node): Likewise.
2626         (find_decls_types_in_var): Likewise.
2627         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
2628         * tree.h (RECORD_OR_UNION_TYPE_P): New.
2629         (AGGREGATE_TYPE_P): Adjust.
2630
2631 2009-09-09  Jason Merrill  <jason@redhat.com>
2632
2633         * configure.ac: Check glibc version even if we have an in-tree
2634         assembler.
2635
2636 2009-09-09  Anthony Green  <green@moxielogic.com>
2637
2638         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
2639         the constant 0 when appropriate.
2640         * config/moxie/constraints.md: Add constraint O.
2641
2642         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
2643         to pass up to 6 32-bit argument values in registers.
2644         (moxie_function_arg): Ditto.
2645         (moxie_arg_partial_bytes): Ditto.
2646         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
2647         (REG_PARM_STACK_SPACE): Ditto.
2648         (FUNCTION_ARG_REGNO_P): Ditto.
2649
2650         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
2651         instruction to allocate stack space.
2652
2653 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
2654
2655         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
2656         unnecessarily stringent constraints.  Fix address
2657         calculation in the splitters.
2658
2659 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
2660
2661         PR rtl-optimization/39779
2662         * expr.c (convert_modes): Return when mode == oldmode after
2663         CONST_INTs are processed.
2664
2665 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
2666
2667         PR/41315
2668         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
2669         (ix86_expand_prologue): Take frame.padding0 into logic of
2670         to_allocate checks.
2671         (ix86_expand_epilogue): Likewise.
2672
2673 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
2674
2675         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
2676         New variables.
2677         (SHLIB_LINK, SHLIB_INSTALL): Use them.
2678         * config/t-slibgcc-libgcc: New file.
2679         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
2680
2681 2009-09-09  Martin Jambor  <mjambor@suse.cz>
2682
2683         PR tree-optimization/41089
2684         * tree-sra.c (find_var_candidates): Do not consider va_lists in
2685         early SRA.
2686
2687 2009-09-09  Richard Henderson  <rth@redhat.com>
2688
2689         * gimple.h (CASE_GIMPLE_OMP): New.
2690         (is_gimple_omp): Use it.
2691         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
2692         (verify_gimple_debug): Likewise.
2693
2694 2009-09-09  Richard Guenther  <rguenther@suse.de>
2695
2696         PR tree-optimization/41101
2697         * tree-ssa-pre.c (maximal_set): Remove.
2698         (compute_antic_aux): Treat the maximal set as implicitly all ones.
2699         Defer all blocks we didn't visit at least one successor.
2700         (add_to_exp_gen): Do not add to the maximal set.
2701         (make_values_for_phi): Likewise.
2702         (compute_avail): Likewise.
2703         (init_pre): Do not allocate the maximal set.
2704         (execute_pre): Do not dump it.
2705
2706 2009-09-09  Martin Jambor  <mjambor@suse.cz>
2707
2708         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
2709         an SSA_NAME rather than a is_gimple_variable.
2710
2711 2009-09-09  Richard Guenther  <rguenther@suse.de>
2712
2713         PR middle-end/41317
2714         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
2715         code dealing with plain pointer bases.
2716         (maybe_fold_offset_to_reference): Likewise.
2717         (maybe_fold_stmt_addition): Adjust.
2718
2719 2009-09-09  Richard Guenther  <rguenther@suse.de>
2720
2721         * tree.c (free_lang_data_in_type): Do not free the type variant
2722         chains.
2723         (free_lang_data): Merge char_type_node with its properly signed
2724         variant.
2725         (pass_ipa_free): Collect after freeing language specific data.
2726
2727 2009-09-09  Michael Matz  <matz@suse.de>
2728
2729         PR middle-end/41268
2730         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
2731         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
2732         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
2733         to reflect reality.
2734
2735 2009-09-08  DJ Delorie  <dj@redhat.com>
2736
2737         * config/mep/mep.c (conversions[]): Add "ml" pattern.
2738
2739 2009-09-04  Jason Merrill  <jason@redhat.com>
2740
2741         * tree.c (tree_find_value): Remove.
2742         * tree.h: Remove prototype.
2743         * varasm.c (assemble_external): Use value_member instead.
2744
2745 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2746
2747         * toplev.c (process_options): Choose default debugging type when
2748         gtoggle enables debug info and type is unset.
2749
2750 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2751
2752         PR debug/41276
2753         PR debug/41307
2754         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
2755         invalid subreg.
2756
2757 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2758
2759         * configure: Rebuilt with modified libtool.m4.
2760
2761 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2762
2763         PR debug/41229
2764         PR debug/41291
2765         PR debug/41300
2766         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
2767
2768 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2769
2770         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
2771         (remove_statement): Likewise.
2772         (rewrite_use_nonlinear_expr): Adjust.
2773         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
2774         * tree-ssa.c (release_defs_bitset): ... this.  New.
2775         * tree-flow.h (release_defs_bitset): Declare.
2776
2777 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2778
2779         PR debug/41232
2780         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
2781         in the middle block.
2782
2783 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
2784
2785         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
2786         via intptr_t to long type.
2787         (insert_operand_rank): Cast long type via intptr_t to
2788         pointer type.
2789         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
2790         pointer to scalar.
2791         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
2792         from pointer to unsigned via uintptr_t.
2793
2794         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
2795         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
2796         and HAVE_INTPTR_T.
2797         * configure: Regenerated.
2798         * config.in: Regenerated
2799         * system.h (stdint.h): Add include.
2800         (inttypes.h): Likewise.
2801         * Makefile.in (aclocal): Add config/stdint.m4.
2802         * aclocal.m4: Regenerated.
2803
2804 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2805
2806         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
2807         variables.
2808         (note_np_check_stores): New function.
2809         (harmless_null_pointer_p): New function.
2810         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
2811         changed.  Take into account whether we're in the shadow of a condjump
2812         that tested NP_REG for NULL.
2813         Lose all code that tested for SEQUENCEs.
2814         (workaround_speculation): Avoid inserting NOPs for loads that are
2815         either always executed or a NULL pointer.
2816
2817 2009-09-08  Jan Hubicka  <jh@suse.cz>
2818
2819         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
2820         * params.def (early-inlining-insns): Likewise.
2821
2822 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
2823
2824         PR rtl-optimization/41239
2825         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
2826         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
2827         lists.
2828         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
2829         across calls, as the calls might not always return normally.
2830         (call_may_noreturn_p): New function.
2831         (deps_analyze_insn): Update last_function_call_may_noreturn list.
2832         (init_deps): Initialize it.
2833         (remove_from_deps): Also remove calls from
2834         last_function_call_may_noreturn list.
2835
2836 2009-09-07  Richard Henderson  <rth@redhat.com>
2837
2838         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
2839         more VR->OPERANDS than LHS operands.  Free LHS before returning.
2840
2841 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2842
2843         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
2844         (attr "addrtype"): New member "spreg".
2845         Use it if mem_spfp_address_operand is true for the address.
2846         (attr "type"): New entry "stall".
2847         (cpu_unit "load"): New.
2848         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
2849         "load".
2850         (insn_reservation "loadsp"): New.
2851         (insn_reservation "load_stall1"): New.
2852         (insn_reservation "load_stall3"): New.
2853         (stall): New insn.
2854         * config/bfin/predicates.md (const1_operand, const3_operand): New.
2855         (mem_p_address_operand): Exclude stack and frame pointer based
2856         addresses.
2857         (mem_spfp_address_operand): New; match them here.
2858         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
2859         (bfin_reorg): Call it if scheduling insns.
2860         (bfin_gen_bundles): Remove dummy insns created by
2861         add_sched_insns_for_speculation.
2862
2863         From Jie Zhang <jie.zhang@analog.com>:
2864         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
2865         bfin_si_revision, bfin_workarounds): Move these ...
2866         * config/bfin/bfin.h: ... here.
2867
2868         From Mike Frysinger  <michael.frysinger@analog.com>
2869         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
2870         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
2871         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
2872         bf547m, bf548m, and bf549m.
2873         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
2874         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
2875         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
2876         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
2877         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
2878         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
2879         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
2880         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
2881         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
2882         bf542m, bf544m, bf547m, bf548m, and bf549m.
2883
2884         From Jie Zhang <jie.zhang@analog.com>:
2885         * config/bfin/predicates.md (p_register_operand): New predicate.
2886         (dp_register_operand): New predicate.
2887         * config/bfin/bfin-protos.h (WA_05000074): Define.
2888         (ENABLE_WA_05000074): Define.
2889         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
2890         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
2891         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
2892         (define_attr addrtype): Allow load/store register to be P register.
2893         (define_attr storereg): New.
2894         (define_cpu_unit anomaly_05000074): New.
2895         (define_insn_reservation dsp32shiftimm): New.
2896         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
2897         (define_insn_reservation loadp): Cannot use slot2.
2898         (define_insn_reservation loadsp): Cannot use slot2.
2899         (define_insn_reservation storep): Cannot use slot2. Does not
2900         apply when working around 05000074.
2901         (define_insn_reservation storep_anomaly_05000074): New.
2902         (define_insn_reservation storei): Does not apply when working
2903         around 05000074.
2904         (define_insn_reservation storei_anomaly_05000074): New.
2905         (define_attr length): Add dsp32shiftimm case.
2906         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
2907         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
2908         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2909         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
2910         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
2911
2912 2009-09-07  Martin Jambor  <mjambor@suse.cz>
2913
2914         PR middle-end/41282
2915         * tree-sra.c (create_artificial_child_access): Return NULL if
2916         build_ref_for_offset fails.
2917         (propagate_subacesses_accross_link): Allow build_ref_for_offset
2918         and create_artificial_child_access to fail.
2919
2920 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2921
2922         PR c++/41214
2923         * unwind-dw2.c (uw_init_context_1): Mark noinline.
2924         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
2925         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
2926
2927 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2928
2929         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
2930         block, ensure it has an exit edge.  Emit a barrier after a jump.
2931
2932 2009-09-07  Nick Clifton  <nickc@redhat.com>
2933
2934         * gcc.c (this_is_linker_script): New variable.  Like
2935         this_is_library_file but for the %T constructor.
2936         (end_going_arg): If this_is_linker_script is set then locate the
2937         script and insert a --script switch before it
2938         (do_spec_2): Initialise this_is_linker_script.
2939         (do_spec_1): Likewise.  Handle %T construct.
2940         (eval_spec_function): Preserve this_is_linker_script.
2941         * doc/invoke.texi: Document %T construct in spec files.
2942         * config/m32c/m32c.h (LIB_SPEC): Use it.
2943
2944 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2945
2946         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
2947         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
2948         when volatile flag is set.
2949         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
2950
2951 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
2952
2953         PR bootstrap/41241
2954         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
2955         (combine_stack_adjustments_for_block): Allow insns between stack
2956         adjustments and stores with corresponding pre-(dec|inc)rement or
2957         pre-modify operation.
2958
2959 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
2960
2961         PR bootstrap/41241
2962         * combine-stack-adj.c (struct csa_memlist): Rename to...
2963         (struct csa_reflist): ... this.  Rename mem field to ref.
2964         (free_csa_memlist): Rename to...
2965         (free_csa_reflist): ... this.
2966         (record_one_stack_memref): Rename to...
2967         (record_one_stack_ref): ... this.  Handle also REG_P.
2968         (try_apply_stack_adjustment): Handle also REG_P.
2969         (struct record_stack_memrefs_data): Rename to...
2970         (struct record_stack_refs_data): ... this.  Rename memlist field to
2971         reflist.
2972         (record_stack_memrefs): Rename to...
2973         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
2974         subexpressions instead of failing when a MEM contains SP references.
2975         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
2976         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
2977
2978 2009-09-06  Richard Guenther  <rguenther@suse.de>
2979
2980         PR middle-end/41144
2981         * tree.c (build_array_type): Do not record types marked
2982         with structural equality in the canonical type hashtable.
2983
2984 2009-09-06  Richard Guenther  <rguenther@suse.de>
2985
2986         PR middle-end/41261
2987         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
2988
2989 2009-09-05  Richard Guenther  <rguenther@suse.de>
2990
2991         PR middle-end/41181
2992         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
2993
2994 2009-09-05  Richard Guenther  <rguenther@suse.de>
2995
2996         PR debug/41273
2997         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
2998
2999 2009-09-05  Richard Guenther  <rguenther@suse.de>
3000
3001         PR middle-end/41271
3002         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
3003         before comparing function argument types.
3004
3005 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3006
3007         PR target/41024
3008         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
3009         the assembler.
3010
3011 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
3012
3013         Revert:
3014         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
3015
3016         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
3017         locators before emit_insn is called.
3018
3019 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
3020
3021         PR bootstrap/41241
3022         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
3023         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
3024         (reginfo_init): Don't call allocate_reg_info.
3025
3026 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
3027
3028         PR target/41262
3029         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
3030         NONDEBUG_INSN_P instead of INSN_P.
3031
3032 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3033
3034         PR debug/41225
3035         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
3036
3037 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3038
3039         PR target/41252
3040         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
3041         pattern of the split.
3042
3043 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3044
3045         * toplev.c (process_options): Move setter of flag_var_tracking
3046         before other tests that depend on it.  Move down setter of
3047         flag_rename_registers.  Don't enable var-tracking-assignments
3048         by default if selective scheduling is enabled.  Warn if both
3049         are enabled.
3050
3051 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3052
3053         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
3054         comment.  Use switch statement to catch overlaps between rtx
3055         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
3056         (IS_DECL_CODE): ... here. Remove.
3057         (check_value_is_not_decl): Remove.
3058         (dv_from_decl, dv_from_value): Check after conversion.
3059
3060 2009-09-04  Richard Guenther  <rguenther@suse.de>
3061
3062         PR middle-end/41257
3063         * (cgraph_finalize_compilation_unit): Move finalizing aliases
3064         after emitting tunks.  Move emitting thunks and ctors from ...
3065         (cgraph_optimize): ... here.  Remove redundant
3066         cgraph_analyze_functions.
3067         * varasm.c (find_decl_and_mark_needed): Remove no longer
3068         necessary check.
3069         (finish_aliases_1): Adjust check for thunk aliases.
3070
3071 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
3072
3073         * config/arm/arm.md (ctzsi2): Added braces
3074         to avoid warning that broke booststrap.
3075
3076 2009-09-04  Martin Jambor  <mjambor@suse.cz>
3077
3078         PR tree-optimization/41112
3079         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
3080         handle variable-bounded arrays.
3081         (expr_with_var_bounded_array_refs_p): New function.
3082         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
3083
3084 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
3085
3086         * config/s390/2097.md: Removed two incorrect bypasses.
3087         (z10_fsimpdf): Fixed latency.
3088         (z10_fhex): New insn_reservation.
3089         (z10_floaddf): Fixed latency.
3090         (z10_floadsf): Fixed latency.
3091         (z10_ftrunctf): Fixed latency.
3092         (z10_ftruncdf): Fixed latency.
3093         * config/s390/s390.c (z10_cost): Fixed values.
3094         (s390_adjust_priority): Added z10 path.
3095         * config/s390/s390.md (type): Added fhex.
3096         (*mov<mode>_64dfp): Updated type attribute.
3097         (*mov<mode>_64): Updated type attribute.
3098         (*mov<mode>_31): Updated type attribute.
3099         (*mov<mode>"): Likewise.
3100         * config/s390/2084.md (x_fsimpdf): Updated condition.
3101
3102 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3103
3104         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
3105         RTXs in the predicate for operand 1.
3106
3107 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
3108
3109         * config/arm/arm.md (UNSPEC_RBIT): New constant.
3110         (rbitsi2): New insn.
3111         (ctzsi2): New expand.
3112         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
3113
3114 2009-09-03  Martin Jambor  <mjambor@suse.cz>
3115
3116         * tree-sra.c (duplicate_expr_for_different_base): Removed.
3117         (create_artificial_child_access): Use build_ref_for_offset instead
3118         of duplicate_expr_for_different_base.
3119         (propagate_subacesses_accross_link): Likewise.
3120
3121 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
3122
3123         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
3124         of INSN_P.
3125         (mips16e_collect_argument_saves): Skip debug instructions.
3126         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
3127         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
3128         (r10k_insert_cache_barriers): Likewise.
3129         (mips_reorg_process_insns): Likewise.
3130
3131 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
3132
3133         PR bootstrap/41241
3134         * ira.c (update_equiv_reg): Remove check on class likely spill.
3135
3136 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
3137
3138         PR debug/41236
3139         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
3140         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
3141         it or SUBREG.
3142
3143         PR debug/41238
3144         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
3145         the stack slot if it is passed by invisible reference.
3146         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
3147         by invisible reference.
3148
3149 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
3150
3151         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
3152         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
3153         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
3154         0.
3155         * config/bfin/sync.md: New file.
3156         * config/bfin/bfin.md: Include it.
3157         (UNSPEC_ATOMIC): New.
3158         (UNSPEC_ONES): Provide a unique number.
3159
3160         From Jie Zhang <jie.zhang@analog.com>:
3161         * config/bfin/bfin.c (ret_regs): New.
3162         (must_save_fp_p): Don't return true because of frame_pointer_needed.
3163         (must_save_rets_p): New.
3164         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
3165         current_function_is_leaf.
3166         (do_link): Likewise.
3167         (do_unlink): Likewise.
3168         (expand_interrupt_handler_prologue): Use ret_regs array.
3169         (expand_interrupt_handler_epilogue): Use ret_regs array and
3170         pass return register to gen_return_internal.
3171         (bfin_expand_epilogue): Pass return register to
3172         gen_return_internal.
3173         (bfin_expand_call): Explicitly clobber RETS.
3174         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
3175         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
3176         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
3177         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
3178         RETS.
3179         (return_internal): Take a reg rtx rather than the register number.
3180
3181 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3182
3183         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
3184         when comparing against estimated_loop_iterations_int return.
3185
3186 2009-09-03  Richard Guenther  <rguenther@suse.de>
3187
3188         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
3189         eh_personality_libfunc.
3190
3191 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3192
3193         * tree-parloops.c (separate_decls_in_region): Add space.
3194
3195 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3196
3197         * tree-parloops.c (separate_decls_in_region): Change the condition
3198         checking if there are reductions in the loop.
3199
3200 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3201
3202         PR tree-optimization/38275
3203         * tree-parloops.c (parallelize_loops): Replace profitability condition
3204         for expected number of iterations.
3205
3206 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
3207
3208         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
3209         (bootstrap-debug): Explain conditions in which it becomes default.
3210         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
3211         make it add to it.
3212
3213 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
3214
3215         * doc/invoke.texi (Optimize Options): Move
3216         -finline-small-functions to the -O2 list.
3217
3218 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
3219
3220         * toplev.c (process_options): Enable var-tracking-assignments
3221         by default if var-tracking is enabled.
3222
3223 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
3224
3225         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
3226         barrier.
3227         * emit-rtl.c (prev_nonnote_insn_bb): New function.
3228         * rtl.h (prev_nonnote_insn_bb): Declare it.
3229
3230 2009-09-03  Diego Novillo  <dnovillo@google.com>
3231
3232         * cgraph.c (cgraph_node_for_decl): New.
3233         * cgraph.h (cgraph_node_for_decl): Declare.
3234         * tree.c (host_integerp): Return 0 if T is NULL.
3235
3236 2009-09-03  Diego Novillo  <dnovillo@google.com>
3237
3238         * tree.h (struct alias_pair): Move from varasm.c.
3239         (alias_pairs): Likewise.
3240         (TYPE_MAXVAL): Define.
3241         (TYPE_MINVAL): Define.
3242         (iterative_hash_host_wide_int): Declare.
3243         (remove_unreachable_alias_pairs): Declare.
3244         * tree-pass.h (pass_ipa_free_lang_data): Declare.
3245         * diagnostic.c (default_diagnostic_starter): Make extern.
3246         (default_diagnostic_finalizer): Make extern.
3247         * diagnostic.h (default_diagnostic_starter): Declare.
3248         (default_diagnostic_finalizer): Declare.
3249         (default_tree_printer): Declare.
3250         * toplev.c (default_tree_printer): Make extern.
3251
3252 2009-09-03  Richard Guenther  <rguenther@suse.de>
3253             Diego Novillo  <dnovillo@google.com>
3254
3255         * cgraph.c (cgraph_add_new_function): Remove gimplification.
3256         * cgraphunit.c (cgraph_expand_function): Do not emit
3257         associated thunks from here.
3258         (cgraph_emit_thunks): New.
3259         (cgraph_optimize): Call it.
3260         Return if any IPA pass finds an error.
3261         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
3262         by thunks.
3263
3264 2009-09-03  Simon Baldwin  <simonb@google.com>
3265             Rafael Espindola  <espindola@google.com>
3266             Richard Guenther  <rguenther@suse.de>
3267             Doug Kwan  <dougkwan@google.com>
3268             Diego Novillo  <dnovillo@google.com>
3269
3270         * tree.c: Include tree-pass.h, langhooks-def.h,
3271         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
3272         (free_lang_data_in_type): New.
3273         (need_assembler_name_p): New.
3274         (free_lang_data_in_block): New.
3275         (free_lang_data_in_decl): New.
3276         (struct free_lang_data_d): New.
3277         (add_tree_to_fld_list): New.
3278         (find_decls_types_r): New.
3279         (get_eh_types_for_runtime): New.
3280         (find_decls_types_in_eh_region): New.
3281         (find_decls_types_in_node): New.
3282         (find_decls_types_in_var): New.
3283         (free_lang_data_in_cgraph): New.
3284         (free_lang_data): New.
3285         (gate_free_lang_data): New.
3286         (pass_ipa_free_lang_data): New.
3287
3288 2009-09-03  Diego Novillo  <dnovillo@google.com>
3289
3290         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
3291         * langhooks.h (struct lang_hooks): Add field free_lang_data.
3292         (lang_hooks): Remove const qualifier.
3293         * ipa.c (cgraph_remove_unreachable_nodes): Call
3294         remove_unreachable_alias_pairs.
3295         * except.c (add_type_for_runtime): Check if TYPE has
3296         already been converted.
3297         (lookup_type_for_runtime): Likewise.
3298         (check_handled): Handle converted types.
3299         * varasm.c (remove_unreachable_alias_pairs): New.
3300         * gimple.c: Include demangle.h.
3301         (gimple_decl_printable_name): New.
3302         (gimple_fold_obj_type_ref): New.
3303         * gimple.h (gimple_decl_printable_name): Declare.
3304         (gimple_fold_obj_type_ref): Declare.
3305         * passes.c (init_optimization_passes): Add pass
3306         pass_ipa_free_lang_data.
3307         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
3308         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
3309
3310 2009-09-03  Diego Novillo  <dnovillo@google.com>
3311
3312         * c-lang.c (lang_hooks): Remove const qualifier.
3313
3314 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
3315
3316         * doc/install.texi (*-*-freebsd*): Update target information.
3317
3318 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
3319
3320         * hard-reg-set.h (call_fixed_regs): Remove.
3321         * reginfo.c (call_fixed_regs): Remove.
3322         (init_reg_sets_1): Remove initialization of call_fixed_regs.
3323         (globalize_reg): Don't use call_fixed_regs.
3324         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
3325         call_fixed_regs.
3326
3327 2009-09-01  Michael Matz  <matz@suse.de>
3328
3329         * expr.h (emit_storent_insn, expand_expr_real_1,
3330         expand_expr_real_2): Declare.
3331         * expr.c (emit_storent_insn, expand_expr_real_1,
3332         expand_expr_real_2): Export.
3333         (store_expr): Setting and evaluating dont_return_target is useless.
3334         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
3335         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
3336         * except.c (expand_resx_expr): Rename to ...
3337         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
3338         * except.h (expand_resx_stmt): Declare.
3339         * stmt.c: Add include gimple.h
3340         (expand_asm_expr): Rename to ...
3341         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
3342         (expand_case): Rewrite to take gimple statement.
3343         * tree.h (expand_asm_stmt): Declare.
3344         (expand_case): Change prototype.
3345         * Makefile.in (stmt.o): Depend on gimple.h.
3346         * builtins.c (expand_builtin_synchronize): Build gimple asm
3347         statement, not an ASM_EXPR.
3348         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
3349         gimple_to_tree, release_stmt_tree): Remove.
3350         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
3351         ggc_free, but hold comparison code and operands separately.
3352         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
3353         (expand_call_stmt, expand_gimple_stmt_1,
3354         expand_gimple_stmt): New helpers.
3355         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
3356         release_stmt_tree.  Call expand_gimple_stmt instead.
3357         (expand_gimple_basic_block): Ditto.
3358
3359         * calls.c (emit_call_1): Don't look at EH regions here, make
3360         fntree parameter useless.
3361         (expand_call): New local rettype for TREE_TYPE(exp), use it
3362         throughout.  Remove local p, use addr instead.
3363         Don't look at EH regions here.
3364
3365 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
3366
3367         * doc/invoke.texi (-fsched-pressure): Document it.
3368         (-fsched-reg-pressure-heuristic): Remove it.
3369
3370         * reload.c (ira.h): Include.
3371         (find_reloads): Add choosing reload on number of small spilled
3372         classes.
3373
3374         * haifa-sched.c (ira.h): Include.
3375         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
3376         saved_reg_pressure, curr_reg_live, saved_reg_live,
3377         region_ref_regs): New variables.
3378         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
3379         initiate_reg_pressure_info, setup_ref_regs,
3380         initiate_bb_reg_pressure_info, save_reg_pressure,
3381         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
3382         functions.
3383         (setup_insn_reg_pressure_info): New function.
3384         (rank_for_schedule): Add pressure checking and insn issue time.
3385         Remove comparison of insn reg weights.
3386         (ready_sort): Set insn reg pressure info.
3387         (update_register_pressure, setup_insn_max_reg_pressure,
3388         update_reg_and_insn_max_reg_pressure,
3389         sched_setup_bb_reg_pressure_info): New functions.
3390         (schedule_insn): Add code for printing and updating reg pressure info.
3391         (find_set_reg_weight, find_insn_reg_weight): Remove.
3392         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
3393         (debug_ready_list): Print reg pressure info.
3394         (schedule_block): Ditto.  Check insn issue time.
3395         (sched_init): Set up sched_pressure_p.  Allocate and set up some