OSDN Git Service

2009-10-02 Neil Vachharajani <nvachhar@google.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
2
3         * gcov-io.c (gcov_open): Open files read-only when MODE < 0
4
5 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
6
7         * config/i386/i386.md (divmod<mode>4) Macroize expander from
8         divmoddi4, divmodsi4 and divmodhi4 patterns using SWI248 macro.
9         (*divmod<mode>4): Macroize insn_and_split pattern from
10         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
11         and their corresponding splitters usign SWI248 macro.  Split SImode
12         insn to generate cltd and DImode insn to generate cqto instead of
13         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
14         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
15         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
16         *divmodsi_noext patterns using SWI248 macro.
17         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
18         udivmodhi4 patterns using SWI248 macro.
19         (*udivmod<mode>4): Macroize insn_and_split pattern from
20         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
21         corresponding splitters using SWI248 macro.
22         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
23         *udivmodsi4_noext and *udivmodhi_noext patterns using SWI248 macro.
24
25 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
26
27         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
28         of zero-sized element is zero-sized regardless of its extent.
29
30 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
31
32         PR debug/40521
33         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
34         * configure: Regenerated.
35         * config.in: Regenerated.
36         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
37         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
38         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
39         not emitting .eh_frame, emit .cfi_sections .debug_frame
40         directive.
41
42         PR debug/41404
43         PR debug/41353
44         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
45         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end with
46         '\0'.
47         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
48         vars use DECL_RTL with resetting it back to NULL afterwards.
49         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
50         rtx_equal_p instead of asserting it is a SYMBOL_REF.
51         (value_format): For dw_val_class_addr only use DW_FORM_addr if
52         the attribute type allows it, otherwise use DW_FORM_dataN.
53         (mem_loc_descriptor): Handle CONST_STRING.
54         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
55         Handle MEM with CONST_STRING address using add_AT_string.
56         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
57         CONST_STRING for const arrays initialized with a string literal.
58         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
59         (dwarf2out_finish): Call resolve_addr.
60
61 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
62             Maxim Kuvyrkov  <maxim@codesourcery.com>
63
64         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
65
66 2009-10-02  Nick Clifton  <nickc@redhat.com>
67
68         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
69         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
70
71 2009-10-01  Jan Hubicka  <jh@suse.cz>
72
73         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
74         (cgraph_create_virtual_clone): Just pass redirect_callers
75         around.
76         * cgraph.h (cgraph_clone_node): Update prototype.
77         * ipa-pure-const.c (self_recursive_p): New function.
78         (propagate): Use it.
79         * ipa-inline.c (cgraph_clone_inlined_nodes,
80         cgraph_decide_recursive_inlining): Update.
81
82 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
83
84         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
85         instructions for TARGET_OCTEON.
86
87 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
88
89         * config/arm/arm.c (arm_override_options): Turn off
90         flag_dwarf2_cfi_asm for AAPCS variants.
91
92 2009-10-01  Martin Jambor  <mjambor@suse.cz>
93
94         PR middle-end/12392
95         * tree-sra.c (convert_callers): Do not call
96         compute_inline_parameters on one caller more than once.
97
98 2009-10-01  Nick Clifton  <nickc@redhat.com>
99
100         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
101         an empty string if not already defined.
102
103 2009-10-01  Martin Jambor  <mjambor@suse.cz>
104
105         PR bootstrap/41395
106         * tree-sra.c (is_va_list_type): New function.
107         (find_var_candidates): Call is_va_list_type.
108         (find_param_candidates): Check that the type or the type pointed
109         to are not va_list types.
110
111 2009-10-01  Martin Jambor  <mjambor@suse.cz>
112
113         PR c++/41503
114         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
115         DECL_ARTIFICIAL (param_decl) is true.
116
117 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
118
119         * tree.h (tree_decl_common::lang_flag_8): New.
120         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
121         keyword.
122         * c-common.h (RID_CONSTEXPR): New.
123
124 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
125
126         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
127         Use ref-all pointers.
128         (alpha_gimplify_va_arg): Ditto.
129
130 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
131
132         PR target/41279
133         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
134         before insn counting loop now that BB_END (bb) is counted.  Ensure
135         the return value isn't zero.
136
137 2009-09-30  Nick Clifton  <nickc@redhat.com>
138
139         * config.gcc (sh-symbianelf): Replace definition of extra_objs
140         with separate definitions of c_target_objs and cxx_target_objs.
141         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
142         and symbian-base.o.
143         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
144         sh_symbian_import_export_class.
145         * config/sh/sh-protos.h: Fix names of exported symbian functions.
146         * config/sh/symbian.c: Delete, moving code into...
147         * config/sh/symbian-base.c: ... here
148         * config/sh/symbian-c.c: ... and here
149         * config/sh/symbian-cxx.c: ... and here.
150
151 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
152
153         PR target/22093
154         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
155         of plus RTX into register.
156
157 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
158
159         * doc/install.texi: Linguistic and markup fixes.
160         (Configuration) <--disable-cpp>: Remove description.
161         <--enable-maintainer-mode>: Autotools files are affected, too.
162         <--with-sysroot>: Improve description.
163         (Building): Bump required GNU make version.
164
165 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
166
167         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
168         (x86_64-*-*): Ditto.
169
170         * config/i386/fma4intrin.h: New file, provide common x86 compiler
171         intrinisics for FMA4.
172         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
173         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
174         Add FMA4 check and fma4intrin.h.
175         * config/i386/i386-c.c(ix86_target_macros_internal): Check
176         ISA_FLAG for FMA4.
177         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
178         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
179         constant for FMA4 support.
180         (UNSPEC_FMA4_FMADDSUB): Ditto.
181         (UNSPEC_FMA4_FMSUBADD): Ditto.
182         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
183         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
184         (ix86_expand_fma4_multiple_memory): Ditto.
185         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
186         (OPTION_MASK_ISA_FMA4_UNSET): New.
187         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
188         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
189         (ix86_handle_option): Handle -mfma4.
190         (isa_opts): Handle -mfma4.
191         (enum pta_flags): Add PTA_FMA4.
192         (override_options): Add FMA4 support.
193         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
194         (IX86_BUILTIN_VFMADDSD): Ditto.
195         (IX86_BUILTIN_VFMADDPS): Ditto.
196         (IX86_BUILTIN_VFMADDPD): Ditto.
197         (IX86_BUILTIN_VFMSUBSS): Ditto.
198         (IX86_BUILTIN_VFMSUBSD): Ditto.
199         (IX86_BUILTIN_VFMSUBPS): Ditto.
200         (IX86_BUILTIN_VFMSUBPD): Ditto.
201         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
202         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
203         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
204         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
205         (IX86_BUILTIN_VFNMADDSS): Ditto.
206         (IX86_BUILTIN_VFNMADDSD): Ditto.
207         (IX86_BUILTIN_VFNMADDPS): Ditto.
208         (IX86_BUILTIN_VFNMADDPD): Ditto.
209         (IX86_BUILTIN_VFNMSUBSS): Ditto.
210         (IX86_BUILTIN_VFNMSUBSD): Ditto.
211         (IX86_BUILTIN_VFNMSUBPS): Ditto.
212         (IX86_BUILTIN_VFNMSUBPD): Ditto.
213         (IX86_BUILTIN_VFMADDPS256): Ditto.
214         (IX86_BUILTIN_VFMADDPD256): Ditto.
215         (IX86_BUILTIN_VFMSUBPS256): Ditto.
216         (IX86_BUILTIN_VFMSUBPD256): Ditto.
217         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
218         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
219         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
220         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
221         (IX86_BUILTIN_VFNMADDPS256): Ditto.
222         (IX86_BUILTIN_VFNMADDPD256): Ditto.
223         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
224         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
225         (enum multi_arg_type): New enum for describing the various FMA4
226         intrinsic argument types.
227         (bdesc_multi_arg): New table for FMA4 intrinsics.
228         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
229         (ix86_expand_multi_arg_builtin): New function for creating FMA4
230         intrinsics.
231         (ix86_expand_builtin): Add FMA4 intrinsic support.
232         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
233         operand instructions.
234         (ix86_expand_fma4_multiple_memory): New function to split the
235         second memory reference from FMA4 instructions.
236         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
237         (ssemodesuffixf2s): Ditto.
238         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
239         instructions.
240         (fma4_fmsub<mode>4): Ditto.
241         (fma4_fnmadd<mode>4): Ditto.
242         (fma4_fnmsub<mode>4): Ditto.
243         (fma4_vmfmadd<mode>4): Ditto.
244         (fma4_vmfmsub<mode>4): Ditto.
245         (fma4_vmfnmadd<mode>4): Ditto.
246         (fma4_vmfnmsub<mode>4): Ditto.
247         (fma4_fmadd<mode>4256): Ditto.
248         (fma4_fmsub<mode>4256): Ditto.
249         (fma4_fnmadd<mode>4256): Ditto.
250         (fma4_fnmsub<mode>4256): Ditto.
251         (fma4_fmaddsubv8sf4): Ditto.
252         (fma4_fmaddsubv4sf4): Ditto.
253         (fma4_fmaddsubv4df4): Ditto.
254         (fma4_fmaddsubv2df4): Ditto.
255         (fma4_fmsubaddv8sf4): Ditto.
256         (fma4_fmsubaddv4sf4): Ditto.
257         (fma4_fmsubaddv4df4): Ditto.
258         (fma4_fmsubaddv2df4): Ditto.
259         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
260         instructions for intrinsics.
261         (fma4i_fmsub<mode>4): Ditto.
262         (fma4i_fnmadd<mode>4): Ditto.
263         (fma4i_fnmsub<mode>4): Ditto.
264         (fma4i_vmfmadd<mode>4): Ditto.
265         (fma4i_vmfmsub<mode>4): Ditto.
266         (fma4i_vmfnmadd<mode>4): Ditto.
267         (fma4i_vmfnmsub<mode>4): Ditto.
268         (fma4i_fmadd<mode>4256): Ditto.
269         (fma4i_fmsub<mode>4256): Ditto.
270         (fma4i_fnmadd<mode>4256): Ditto.
271         (fma4i_fnmsub<mode>4256): Ditto.
272         (fma4i_fmaddsubv8sf4): Ditto.
273         (fma4i_fmaddsubv4sf4): Ditto.
274         (fma4i_fmaddsubv4df4): Ditto.
275         (fma4i_fmaddsubv2df4): Ditto.
276         (fma4i_fmsubaddv8sf4): Ditto.
277         (fma4i_fmsubaddv4sf4): Ditto.
278         (fma4i_fmsubaddv4df4): Ditto.
279         (fma4i_fmsubaddv2df4): Ditto.
280
281         * doc/invoke.texi (-mfma4): Add documentation.
282         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
283
284 2009-09-29  Richard Henderson  <rth@redhat.com>
285
286         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
287         an edge to the new destination block.
288
289 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
290
291         PR target/41393
292         * pa.c (hppa_profile_hook): Use
293         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
294
295 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
296             Alexander Monakov  <amonakov@ispras.ru>
297
298         PR target/41365
299         * config/ia64/predicates.md (not_postinc_destination_operand): New.
300         (not_postinc_memory_operand): New.
301         (not_postinc_move_operand): New.
302         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
303         (*cmovsi_internal): Ditto.
304
305 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
306
307         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
308         restrict issue_rate in first pass when scheduling for register
309         pressure.
310
311 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
312             Rafael Avila de Espindola  <espindola@google.com>
313
314         * gengtype.c (plugin_output): New.
315         (get_output_file_with_visibility): Return plugin_output for plugins.
316         (main): Parse and use the -P option.
317         * gty.texi: Update the command line format.
318
319 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
320
321         PR debug/41438
322         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
323         functions.
324         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
325         out if !const_ok_for_output.
326
327         PR debug/41474
328         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
329         case VAR_LOCATION>: Remove gcc_unreachable ().
330
331 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
332
333         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
334         (x86_64-*-*): Ditto.
335         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
336         back to smmintrin.h.
337         * config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
338         * config/i386/x86intrin.h: Remove SSE5.
339         * config/i386/mmintrin-common.h: Delete file.
340         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
341
342 2009-09-29  Richard Guenther  <rguenther@suse.de>
343
344         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
345         resulting from stack temporaries on STRICT_ALIGNMENT targets.
346
347 2009-09-29  Nick Clifton  <nickc@redhat.com>
348
349         * function.c (current_function_name): If there is no current
350         function just return "<none>".
351
352 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
353
354         * tree-pass.h (register_pass_info): New structure.
355         (pass_positioning_ops): Move enum from gcc-plugin.h.
356         (register_pass): New function.
357         * gcc-plugin.h (plugin_pass): Delete structure.
358         (pass_positioning_ops): Delete enum.
359         * plugin.c (regsiter_pass): Delete function.
360         (position_pass): Delete function.
361         (added_pass_nodes): Delete variable.
362         (prev_added_pass_nodes): Delete variable.
363         (pass_list_node): Delete structure.
364         * passes.c (make_pass_instance): New function.
365         (next_pass_1): Change to call make_pass_instance.
366         (pass_list_node): Move structure from gcc-plugin.h.
367         (added_pass_nodes): Move variable from plugin.c.
368         (prev_added_pass_nodes): Move variable from plugin.c.
369         (position_pass): New function.
370         (register_pass): New function.
371
372 2009-09-28  Easwaran Raman  <eraman@google.com>
373
374         * ifcvt.c (noce_try_abs): Recognize pattern and call
375         expand_one_cmpl_abs_nojump.
376         * optabs.c (expand_one_cmpl_abs_nojump): New function.
377         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
378
379 2009-09-28  Ian Lance Taylor  <iant@google.com>
380
381         PR middle-end/40500
382         * c-opts.c (c_common_handle_option): Don't set
383         warn_jump_misses_init for -Wall.
384         * doc/invoke.texi (Warning Options): Update documentation.
385
386 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
387
388         * Makefile.in ($(out_object_file)): Depend on
389         gt-$(basename $(notdir $(out_file))).h.
390
391 2009-09-28  Richard Henderson  <rth@redhat.com>
392
393         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
394         * except.c (gen_eh_region): Set it.
395         (duplicate_eh_regions_1): Copy it.
396         * tree-eh.c (lower_resx): Use it to determine which function
397         to call to resume.
398
399         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
400         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
401         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
402         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
403         BUILT_IN_CXA_END_CLEANUP if necessary.
404
405         * c-common.c (c_define_builtins): Update call to
406         build_common_builtin_nodes.
407
408 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
409
410         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
411
412 2009-09-28  Michael Matz  <matz@suse.de>
413
414         * builtins.c (interclass_mathfn_icode): New helper.
415         (expand_builtin_interclass_mathfn): Use it here, and split folding
416         into ...
417         (fold_builtin_interclass_mathfn): ... this new folder.
418         (build_call_nofold_loc): New static helper.
419         (build_call_nofold): New wrapper macro for above.
420         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
421         (expand_builtin_pow): Ditto.
422         (expand_builtin_memset_args): Ditto.
423         (expand_builtin_printf): Ditto.
424         (expand_builtin_fprintf): Ditto.
425         (expand_builtin_sprintf): Ditto.
426         (expand_builtin_memory_chk): Ditto.
427         (expand_builtin_mempcpy_args): Ditto and don't call folders.
428         (expand_builtin_stpcpy): Ditto.
429         (expand_builtin_strcmp): Ditto.
430         (expand_builtin_strncmp): Ditto.
431         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
432         (expand_builtin_strcpy_args): Don't call folders.
433         (expand_builtin_memcmp): Ditto.
434         (expand_builtin_strncpy): Ditto, and use target.
435         (expand_builtin_memcpy): Ditto.
436         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
437         expand_builtin_strpbrk, expand_builtin_memmove,
438         expand_builtin_memmove_args, expand_builtin_bcopy,
439         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
440         expand_builtin_strspn, expand_builtin_strcspn,
441         expand_builtin_fputs): Remove these.
442         (expand_builtin): Don't call the above, change calls to other
443         expanders that changed prototype.
444         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
445         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
446         fold_builtin_interclass_mathfn.
447         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
448         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
449
450         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
451         * passes.c (init_optimization_passes): Move pass_fold_builtins
452         after last phiopt pass.
453         * tree-inline.c (fold_marked_statements): When folding builtins
454         iterate over all instruction potentially generated.
455         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
456         earlier.
457         (fold_gimple_call): Use it to always fold calls (into potentially
458         multiple instructions).
459         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
460         calls into zero at this time.
461         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
462         statements generated by builtin folding.
463
464 2009-09-28  Nick Clifton  <nickc@redhat.com>
465
466         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging
467         insns.
468
469 2009-09-28  Duncan Sands  <baldrick@free.fr>
470
471         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
472         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
473         (register_callback): Dispatch it.
474         (invoke_plugin_callbacks): Incorporate in sanity check.
475         * ggc.h (ggc_register_cache_tab): Add declaration.
476         * ggc-common.c (ggc_register_root_tab): Simplify.
477         (const_ggc_cache_tab_t): New typedef.
478         (extra_cache_vec): New vector of dynamically added cache tables.
479         (ggc_register_cache_tab): New function.
480         (ggc_scan_cache_tab): New function.
481         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
482         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
483
484 2009-09-27  Richard Henderson  <rth@redhat.com>
485
486         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
487         which we remove __builtin_stack_restore.
488
489 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
490
491         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
492         to test for GRD_INVARIANT.
493         (simple_rhs_p): Anything that's function_invariant_p is fine.
494
495 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
496
497         * gengtype.c (main): Use plunge_files instead of plugin_output.
498
499 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
500             Rafael Avila de Espindola  <espindola@google.com>
501
502         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
503         Don't print pch related info if it is false.
504         (main): Don't print pch info in plugin mode.
505
506 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
507
508         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
509         with dw_val_class_const_double.
510         (struct dw_val_struct): Replace val_long_long with val_double and
511         adjust for above change.
512         (output_loc_operands): Likewise.
513         (add_AT_long_long): Rename into...
514         (add_AT_double): ...this.
515         (print_die): Replace dw_val_class_long_long with
516         dw_val_class_const_double and adjust.
517         (attr_checksum): Likewise.
518         (same_dw_val_p): Likewise.
519         (size_of_die): Likewise.
520         (value_format): Likewise.
521         (output_die): Likewise.
522         (loc_descriptor) <CONST_DOUBLE>: Likewise.
523         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
524         instead of add_AT_long_long.
525         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
526         value with the precision of its type.
527
528 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
529
530         PR c/41476
531         * c-typeck.c (build_conditional_expr): Use the readonly and
532         volatile flags of the operand types, not of the operands itself.
533
534 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
535
536         collect2.c (main): Look for -brtl before adding libraries.
537
538 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
539
540         * config.gcc: Update OpenBSD targets.
541         * config/openbsd-stdint.h: New file.
542         * config/openbsd-libpthread.h: New file.
543         * config/openbsd.h: Update and break out LIB_SPEC definition.
544         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
545         * config/i386/openbsdelf.h: Correct types.
546         * config/m68k/openbsd.h: Likewise.
547         * config/mips/openbsd.h: Likewise.
548         * config/vax/openbsd.h: Likewise.
549
550 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
551
552         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
553         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
554         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
555         of the length and zero.
556
557 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
558
559         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
560         (FLAGS_H): Add options.h $(REAL_H).
561         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
562         (TREE_VECTORIZER_H): New.
563         (EBITMAP_H): Renamed from EBIMAP_H.
564         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
565         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
566         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
567         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
568         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
569         (graphite-clast-to-gimple.o, graphite-dependences.o)
570         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
571         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
572         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
573         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
574         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
575         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
576         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
577         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
578         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
579         updated and fixed as per above changes and per
580         check_makefile_deps.sh output.
581
582         PR bootstrap/40928
583         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
584         * configure: Regenerate.
585
586 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
587
588         * doc/install.texi: Update minimum MPC version to 0.7.
589
590 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
591
592         * doc/install.texi (Binaries): Remove reference to the binary
593         distribution CD-ROM from the FSF.
594
595 2009-09-26  Michael Matz  <matz@suse.de>
596
597         PR lto/40758
598         PR middle-end/41470
599         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
600         that are mentioned in the body.
601
602 2009-09-26  Michael Matz  <matz@suse.de>
603
604         PR tree-optimization/41454
605         * tree-ssa-dom (stmts_to_rescan): Remove variable.
606         (tree_ssa_dominator_optimize): Don't allocate and free it.
607         (dom_opt_leave_block): Don't iterate over it.
608         (eliminate_redundant_computations): Don't return a value.
609         (cprop_operand, cprop_into_stmt): Ditto.
610         (optimize_stmt): Don't defer updating stmts.
611
612 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
613
614         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
615         generic_parameter_die, template_parameter_pack_die,
616         gen_formal_parameter_die, gen_subprogram_die): Adjust after renaming
617         DW_TAG_formal_parameter_pack and DW_TAG_template_parameter_pack into
618         DW_TAG_GNU_formal_parameter_pack and DW_TAG_GNU_template_parameter_pack.
619
620 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
621
622         * config/v850/v850.h (FUNCTION_VALUE): Remove.
623         * config/v850/v850.c (v850_function_value): New function.
624         (TARGET_FUNCTION_VALUE): Define.
625
626 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
627
628         * tree-vect-stmts.c (vectorizable_call): Call
629         mark_symbols_for_renaming after vect_finish_stmt_generation.
630
631         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
632         to loc_descriptor_from_tree.
633         (add_location_or_const_value_attribute): Pass 0 instead of 2
634         for decl_by_reference_p decls.
635
636 2009-09-25  Richard Guenther  <rguenther@suse.de>
637
638         PR middle-end/41463
639         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
640         arrays again.
641
642 2009-09-25  Ben Elliston  <bje@au.ibm.com>
643
644         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
645         after `power7'.
646
647 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
648
649         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
650         form of instruction.
651
652 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
653
654         PR middle-end/41435
655         * fold-const.c (const_binop): Handle complex int division.
656         * tree-complex.c (expand_complex_div_straight,
657         expand_complex_div_wide): Update comments.
658
659 2009-09-24  DJ Delorie  <dj@redhat.com>
660
661         PR target/41456
662         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
663         (reg_class): Likewise.
664         (REG_CLASS_NAMES): Likewise.
665         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
666
667         * config/m32c/m32c.c (m32c_override_options): Disable -fivopts for
668         M32C.
669
670 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
671
672         * config/rs6000/predicates.md (indexed_or_indirect_operand):
673         Delete VSX load/store with update support.
674         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
675         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
676         (vsx_movti): Ditto.
677         (VSX_U): Delete.
678         (VSbit): Ditto.
679         (VStype_load_update): Ditto.
680         (VStype_store_update): Ditto.
681         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
682         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
683
684         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
685         load/store with update builtins.
686
687 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
688
689         * libgcc2.c (L_trampoline): Prototype for getpagesize
690         and mprotect in WINNT case.
691
692 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
693
694         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
695         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
696         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
697         'outgoing' argument.
698         (TARGET_FUNCTION_VALUE): Define.
699
700 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
701
702         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
703
704 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
705
706         PR bootstrap/41405
707         * common.opt: Initialize dwarf_strict to -1.
708         * toplev.c (process_options): Catch unset dwarf_strict
709         and set to 0 for all targets not overriding.
710         * config/darwin.c (darwin_override_options): Catch unset
711         dwarf_strict and override to 1.
712
713 2009-09-24  Jeff Law  <law@redhat.com>
714
715         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
716
717 2009-09-24  Richard Guenther  <rguenther@suse.de>
718
719         PR tree-optimization/36143
720         PR tree-optimization/38747
721         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
722         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
723
724 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
725
726         PR bootstrap/41457
727         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
728         return false instead of gcc_unreachable ().  For CONST return the
729         value returned by recursive call instead of always returning true.
730         (tree_add_const_value_attribute): Return the value returned by
731         add_const_value_attribute instead of always returning true if rtl
732         is non-NULL.
733
734 2009-09-23  Justin Seyster  <jrseys@gmail.com>
735
736         * Makefile.in (PLUGIN_HEADERS): Include real.h.
737
738 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
739
740         * cgraphunit.c (cgraph_lower_function): Revert last change.
741         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
742         instead of DECL_NO_STATIC_CHAIN.
743         * tree-cfg.c (verify_gimple_call): Likewise.
744         * tree-nested.c (get_chain_decl, get_chain_field,
745         convert_tramp_reference_op, convert_gimple_call): Likewise.
746         (convert_all_function_calls): Likewise.  Always set or clear
747         DECL_STATIC_CHAIN initially, for !n->outer clear it.
748         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
749         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
750         if nested.
751         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
752         DECL_NO_STATIC_CHAIN.
753         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
754         instead of DECL_NO_STATIC_CHAIN.
755         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
756         decl_function_context.
757         * varasm.c (initializer_constant_valid_p): Likewise.
758         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
759         (DECL_STATIC_CHAIN): ... this.
760         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
761         instead of DECL_NO_STATIC_CHAIN.
762
763 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
764             Rafael Avila de Espindola  <espindola@google.com>
765
766         * gengtype.c (nb_plugin_files): Make it unsigned to match
767         num_gt_files. Adjust other variables to avoid warnings.
768         (main): Allocate an all zero lang_bitmap before each plugin file name
769         to match regular file names.
770
771 2009-09-23  Richard Henderson  <rth@redhat.com>
772
773         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
774         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
775         static chain passed in memory.
776         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
777         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
778         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
779         STATIC_CHAIN_REGNUM defined.
780
781         * config/picochip/picochip-protos.h: s/class/klass/.
782         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
783         (picochip_static_chain): New.
784         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
785         (STATIC_CHAIN_INCOMING): Remove.
786
787         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
788         (xtensa_static_chain): New.
789         * config/xtensa/xtensa.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
790
791 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
792
793         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
794         * config/pa/pa-protos.h (function_value): Remove.
795         * config/pa/pa.c (pa_function_value): Rename from function_value.
796         Make static, add 'outgoing' argument.
797         (TARGET_FUNCTION_VALUE): Define.
798
799 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
800
801         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
802         instead of cfun->machine->is_leaf.
803         * config/avr/avr.h (machine_function): Remove is_leaf field.
804
805 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
806
807         PR debug/41439
808         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
809         DW_OP_piece after DW_OP_stack_value, adjust size calculations
810         for it, when DW_OP_stack_value and DW_OP_implicit_value has
811         the same size, prefer DW_OP_stack_value.
812         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
813         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
814
815 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
816
817         PR debug/41353
818         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
819
820 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
821
822         PR debug/41248
823         * cfgexpand.c (convert_debug_memory_address): New.
824         (expand_debug_expr): Convert base address and offset to the same
825         mode.  Use it to convert addresses to other modes.  Accept
826         ptr_mode addresses.
827
828 2009-09-23  Richard Guenther  <rguenther@suse.de>
829
830         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
831         produced for bigendian targets with promoted subregs.
832
833 2009-09-23  Richard Guenther  <rguenther@suse.de>
834
835         * value-prof.c (gimple_ic): Purge old EH edges only after building
836         the new ones.
837
838 2009-09-23  Nick Clifton  <nickc@redhat.com>
839
840         * config/arc/arc.c (arc_trampoline_init): Fix typo.
841
842 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
843
844         PR bootstrap/41405
845         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
846
847         PR bootstrap/41436
848         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
849         on non-nested functions.
850
851 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
852             Jan Hubicka  <jh@suse.cz>
853
854         * dwarf2out.c (loc_list_plus_const): Only define if
855         DWARF2_DEBUGGING_INFO.
856         (address_of_int_loc_descriptor): Likewise.
857
858         PR debug/41411
859         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
860
861 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
862
863         PR c/39779
864         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
865         constant is more than zero.
866
867 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
868
869         PR target/40473
870         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
871         call final to emit non-scheduled prologue, instead insert at entry.
872
873 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
874             Joseph S. Myers  <joseph@codesourcery.com>
875
876         * doc/install.texi (*-*-freebsd*): Add proper format codes.
877
878 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
879             Rafael Avila de Espindola  <espindola@google.com>
880
881         * gengtype.c (is_file_equal): New function.
882         (close_output_files): Use is_file_equal. Free of->buf.
883
884 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
885             Rafael Avila de Espindola  <espindola@google.com>
886
887         * gengtype.c (write_types, write_local): Add the output_header
888         argument. Update all callers.
889
890 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
891
892         * dwarf2out.c (template_parameter_pack_die,
893         gen_formal_parameter_pack_die ): New functions.
894         (make_ith_pack_parameter_name): Remove this function.
895         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
896         DW_TAG_formal_parameter_pack.
897         (gen_generic_params_dies): Represent each template parameter pack
898         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
899         represented by usual DW_TAG_template_*_parameter DIEs that are
900         children of the DW_TAG_template_parameter_pack element DIE.
901         (generic_parameter_die): This doesn't deal with parameter pack
902         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
903         of parameter pack DIEs.
904         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
905         in certain cases, e.g. for pack elements.
906         (gen_formal_types_die, gen_decl_die): Adjust usage of
907         gen_formal_parameter_die.
908         (gen_subprogram_die): Represent each function parameter pack by a
909         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
910         represented by usual DW_TAG_formal_parameter DIEs that are children
911         of the DW_TAG_formal_parameter_pack DIE. Remove references to
912         ____builtin_va_alist decls as no part of the compiler uses those
913         anymore.
914         * langhooks.h (struct lang_hooks_for_decls): Add
915         function_parm_expanded_from_pack_p, get_generic_function_decl
916         and function_parameter_pack_p hooks.  Fix comment for
917         get_innermost_generic_parms hook.
918         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
919         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
920         macros and use them to initialize lang_hook.
921
922 2009-09-22  Richard Henderson  <rth@redhat.com>
923
924         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
925         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
926         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
927         on TRAMPOLINE_TEMPLATE.
928         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
929         TRAMPOLINE_ADJUST_ADDRESS.
930         * targhooks.c (default_asm_trampoline_template): Remove.
931         (default_trampoline_adjust_address): Remove.
932         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
933         * targhooks.h: Update decls.
934
935 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
936
937         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
938         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
939         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
940
941 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
942
943         PR debug/41295
944         * reload1.c (reload): Reset debug insns with pseudos without
945         equivalences.
946
947 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
948
949         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
950         unconditional true for decimal float modes.
951         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
952         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
953
954 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
955
956         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
957         Enable a new case for __FreeBSD__ >= 7.
958         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
959         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
960         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
961         and USE_LD_AS_NEEDED.
962
963         * doc/install.texi (*-*-freebsd*): Update target information.
964
965 2009-09-22  Richard Guenther  <rguenther@suse.de>
966
967         PR middle-end/41395
968         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
969         arrays really properly.
970
971 2009-09-22  Richard Henderson  <rth@redhat.com>
972
973         PR target/41246
974         * target.h (struct gcc_target): Add asm_out.trampoline_template,
975         calls.static_chain, calls.trampoline_init,
976         calls.trampoline_adjust_address.
977         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
978         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
979         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
980         * builtins.c (expand_builtin_setjmp_receiver): Use
981         targetm.calls.static_chain; only clobber registers.
982         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
983         set up memory attributes properly for the trampoline block.
984         (expand_builtin_adjust_trampoline): Use
985         targetm.calls.trampoline_adjust_address.
986         * calls.c (prepare_call_address): Add fndecl argument.  Use
987         targetm.calls.static_chain.
988         * df-scan.c (df_need_static_chain_reg): Remove.
989         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
990         consolodate static chain handling.
991         * doc/tm.texi: Document new hooks.
992         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
993         (init_emit_regs): Don't initialize them.
994         * expr.h (prepare_call_address): Update decl.
995         * final.c (profile_function): Use targetm.calls.static_chain.
996         * function.c (expand_function_start): Likewise.
997         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
998         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
999         only clobber registers.
1000         * targhooks.c (default_static_chain): New.
1001         (default_asm_trampoline_template, default_trampoline_init): New.
1002         (default_trampoline_adjust_address): New.
1003         * targhooks.h: Declare them.
1004         * varasm.c (assemble_trampoline_template): Use
1005         targetm.asm_out.trampoline_template.  Make the memory block const
1006         and set its size.
1007
1008         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
1009         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
1010         differences into the TARGET_ABI_OPEN_VMS code block.
1011         (TARGET_TRAMPOLINE_INIT): New.
1012         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
1013         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
1014         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
1015         (INITIALIZE_TRAMPOLINE): Remove.
1016
1017         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
1018         (TRAMPOLINE_TEMPLATE): Merge with ...
1019         (INITIALIZE_TRAMPOLINE): ... this and move ...
1020         * config/arc/arc.c (arc_trampoline_init): ... here.
1021         (TARGET_TRAMPOLINE_INIT): New.
1022
1023         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1024         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
1025         (arm_asm_trampoline_template): New.
1026         (arm_trampoline_init, arm_trampoline_adjust_address): New.
1027         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
1028         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
1029         code to arm_asm_trampoline_template.
1030         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
1031         arm_trampoline_adjust_address.
1032         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
1033         adjust for target hook parameters.
1034
1035         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
1036         Remove.
1037
1038         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
1039         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
1040         (bfin_trampoline_init): Rename from initialize_trampoline;
1041         make static; update for target hook parameters.
1042         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
1043         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
1044         bfin_asm_trampoline_template.
1045         (INITIALIZE_TRAMPOLINE): Remove.
1046
1047         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1048         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
1049         cris_trampoline_init): New.
1050         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
1051         cris_asm_trampoline_template.
1052         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
1053         adjust for target hook parameters.
1054
1055         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
1056
1057         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1058         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
1059         fr30_trampoline_init): New.
1060         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
1061         fr30_asm_trampoline_template.
1062         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
1063         adjust for target hook parameters.
1064
1065         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
1066         (frv_trampoline_init): Rename from frv_initialize_trampoline;
1067         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
1068         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
1069         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
1070
1071         * config/h8300/h8300.c (h8300_trampoline_init): New.
1072         (TARGET_TRAMPOLINE_INIT): New.
1073         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
1074         to h8300_trampoline_init and adjust for hook parameters.
1075
1076         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
1077         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
1078         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
1079         make static; adjust for hook parameters.
1080         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
1081
1082         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1083         (TARGET_TRAMPOLINE_INIT): New.
1084         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
1085         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
1086         iq2000_asm_trampoline_template.
1087         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
1088         (TRAMPOLINE_CODE_SIZE): New.
1089         (TRAMPOLINE_SIZE): Use it.
1090         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
1091
1092         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
1093         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
1094         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
1095         adjust for hook parameters.
1096         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
1097
1098         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
1099         (m32r_trampoline_init): New.
1100         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
1101         m32r_trampoline_init.
1102
1103         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
1104         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
1105         make static; update for hook parameters.
1106         * config/m68hc11/m68hc11-protos.h: Update.
1107         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
1108
1109         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1110         (TARGET_TRAMPOLINE_INIT): New.
1111         (mcore_function_value): Fix typo.
1112         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
1113         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
1114         to mcore_asm_trampoline_template.
1115         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
1116
1117         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
1118         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
1119         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
1120         update for hook parameters.
1121         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
1122
1123         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1124         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1125         mips_trampoline_init): New.
1126         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
1127         mips_asm_trampoline_template.
1128         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
1129         update for hook parameters.
1130
1131         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1132         (TARGET_TRAMPOLINE_INIT): New.
1133         (mmix_trampoline_size): Remove.
1134         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
1135         make static.  Remove out-of-date tetra vs octa comment.
1136         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
1137         make static; update for hook parameters.
1138         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
1139         (INITIALIZE_TRAMPOLINE): Remove.
1140         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
1141         (TRAMPOLINE_ALIGNMENT): New.
1142         * gcc/config/mmix/mmix-protos.h: Update.
1143
1144         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1145         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1146         mn10300_trampoline_init): New.
1147         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
1148         mn10300_asm_trampoline_template.
1149         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
1150
1151         * config/moxie/moxie.c (moxie_static_chain,
1152         moxie_asm_trampoline_template, moxie_trampoline_init,
1153         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
1154         TARGET_TRAMPOLINE_INIT): New.
1155         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
1156         moxie_trampoline_init.
1157         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
1158         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
1159
1160         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
1161         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
1162         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
1163         pa_trampoline_adjust_address): New.
1164         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
1165         pa_asm_trampoline_template.
1166         (TRAMPOLINE_ALIGNMENT): New.
1167         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
1168         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
1169         adjust for hook parameters.
1170         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
1171
1172         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
1173         (TARGET_TRAMPOLINE_INIT): New.
1174         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
1175         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
1176
1177         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
1178
1179         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
1180         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
1181         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
1182         make static; adjust parameters for the hook.
1183         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
1184
1185         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
1186         s390_trampoline_template; make static.
1187         (s390_trampoline_init): Rename from s390_initialize_trampoline;
1188         make static; adjust for target hook.
1189         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
1190         * config/s390/s390-protos.h: Remove trampoline decls.
1191         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
1192         (TRAMPOLINE_TEMPLATE): Remove.
1193         (TRAMPOLINE_ALIGNMENT): New.
1194
1195         * config/score/score-protos.h (score_initialize_trampoline): Remove.
1196         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1197         (TARGET_TRAMPOLINE_INIT): New.
1198         (score_asm_trampoline_template): New.
1199         (score_trampoline_init): Rename from score_initialize_trampoline;
1200         make static; adjust for hook parameters.
1201         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
1202         score[37]_asm_trampoline_template.
1203         (INITIALIZE_TRAMPOLINE): Remove.
1204         * config/score/score3.c (score3_asm_trampoline_template): New.
1205         (score3_trampoline_init): Rename from score3_initialize_trampoline;
1206         adjust for target hook.
1207         * config/score/score7.c (score7_asm_trampoline_template): New.
1208         (score7_trampoline_init): Rename from score7_initialize_trampoline;
1209         adjust for target hook.
1210         * config/score/score3.h, config/score/score7.h: Update.
1211
1212         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
1213         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
1214         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
1215         (sh_trampoline_init): Rename from sh_initialize_trampoline;
1216         make static; adjust for target hook parameters.
1217         (sh_trampoline_adjust_address): New.
1218         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
1219         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
1220
1221         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
1222         (sparc32_initialize_trampoline): Rename from
1223         sparc_initialize_trampoline; make static; replace tramp parameter
1224         with m_tramp and update memory accesses.
1225         (sparc64_initialize_trampoline): Similarly.
1226         (sparc_trampoline_init): New.
1227         * config/sparc/sparc-protos.h: Remove trampoline decls.
1228         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
1229         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
1230
1231         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
1232         (array_to_constant): Make ARR parameter const.
1233         (spu_trampoline_init): Rename from spu_initialize_trampoline;
1234         make static; update for hook parameters.
1235         * config/spu/spu-protos.h: Update decls.
1236         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
1237
1238         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
1239         from xstormy16_initialize_trampoline; make static; update for
1240         hook parameters.
1241         (TARGET_TRAMPOLINE_INIT): New.
1242         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
1243
1244         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1245         (TARGET_TRAMPOLINE_INIT): New.
1246         (v850_can_eliminate): Make static.
1247         (v850_asm_trampoline_template, v850_trampoline_init): New.
1248         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
1249         v850_asm_trampoline_template.
1250         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
1251         and adjust for target hook parameters.
1252
1253         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1254         (TARGET_TRAMPOLINE_INIT): New.
1255         (vax_asm_trampoline_template, vax_trampoline_init): New.
1256         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
1257         vax_asm_trampoline_template.
1258         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
1259
1260         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
1261         (TARGET_TRAMPOLINE_INIT): New.
1262         (xtensa_asm_trampoline_template): Rename from
1263         xtensa_trampoline_template; make static.
1264         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
1265         make static; update for hook parameters.
1266         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
1267         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
1268         (INITIALIZE_TRAMPOLINE): Remove.
1269
1270         * config/i386/i386.c (ix86_function_regparm): Do not issue an
1271         error for nested functions with regparm=3.
1272         (ix86_compute_frame_layout): Adjust frame pointer offset for
1273         ix86_static_chain_on_stack.
1274         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
1275         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
1276         don't reset to UNITS_PER_WORD.
1277         (ix86_emit_leave): Adjust ix86_cfa_state.
1278         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
1279         (ix86_static_chain): New.
1280         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
1281         make static; update for target hook parameters; use ix86_static_chain.
1282         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
1283         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
1284         (INITIALIZE_TRAMPOLINE): Remove.
1285         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
1286         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
1287         to the end.  Add static_chain_on_stack.
1288         (ix86_static_chain_on_stack): New.
1289
1290         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
1291         (m68k_output_mi_thunk): Don't use static_chain_rtx.
1292         (m68k_trampoline_init): New.
1293         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
1294         m68k_trampoline_init and adjust for hook parameters.
1295         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
1296         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
1297
1298 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
1299
1300         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
1301         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
1302
1303         * reload1.c (reload): Call wrap_constant when substituting
1304         reg for equiv inside of DEBUG_INSNs.
1305
1306         PR bootstrap/41405
1307         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
1308         add_call_src_coords_attributes, add_high_low_attributes,
1309         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
1310         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
1311         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
1312         when -gdwarf-2 -gstrict-dwarf.
1313         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
1314         -gdwarf-[23] -gstrict-dwarf.
1315         (address_of_int_loc_descriptor, loc_descriptor,
1316         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
1317         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
1318         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
1319
1320 2009-09-22  Richard Guenther  <rguenther@suse.de>
1321
1322         PR tree-optimization/41428
1323         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
1324         (ccp_finalize): Pass it to substitute_and_fold.
1325
1326 2009-09-22  Richard Guenther  <rguenther@suse.de>
1327
1328         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
1329         (substitute_and_fold): Adjust prototype.
1330         * tree-vrp.c (vrp_evaluate_conditional): Make static.
1331         (simplify_stmt_using_ranges): Likewise.
1332         (fold_predicate_in): Move here from tree-ssa-propagate.c.
1333         (vrp_fold_stmt): New function.
1334         (vrp_finalize): Pass it to substitute_and_fold.
1335         * tree-flow.h (vrp_evaluate_conditional): Remove.
1336         (simplify_stmt_using_ranges): Likewise.
1337         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
1338         * tree-ssa-copy.c (fini_copy_prop): Likewise.
1339         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
1340         member.
1341         (fold_predicate_in): Move to tree-vrp.c.
1342         (substitute_and_fold): Use the callback instead of calling into
1343         tree-vrp.c functions directly.
1344
1345 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
1346
1347         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
1348         comparison warning on rs6000.
1349
1350         PR middle-end/41429
1351         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
1352         GIMPLE_EH_MUST_NOT_THROW cleanup.
1353         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
1354
1355 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
1356
1357         PR middle-end/41260
1358         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
1359         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
1360         LIB_SPEC for darwin10 and later since it always uses the unwinder in
1361         libSystem which is derived from the gcc 4.2.1 unwinder.
1362
1363 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
1364
1365         PR middle-end/41357
1366         * varasm.c (default_encode_section_info): Copy TLS model into
1367         sym_ref flags regardless of backend support for TLS, for all
1368         model types except TLS_MODEL_EMULATED.
1369
1370 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
1371
1372         PR bootstrap/41404
1373         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
1374         we can handle it correctly.
1375
1376 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
1377
1378         * doc/install.texi (os2): Remove section.
1379
1380 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
1381
1382         * doc/standards.texi (Objective-C): Adjust two URLs.
1383
1384 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
1385
1386         * tree-tailcall.c (process_assignment): Don't check if a
1387         multiplication or an addition are already present.
1388         (find_tail_calls): Combine multiple additions and multiplications.
1389         (adjust_accumulator_values): Emit accumulators.
1390
1391 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
1392
1393         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
1394         xmm register restore.
1395
1396 2009-09-21  Jan Hubicka  <jh@suse.cz>
1397
1398         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
1399         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
1400         restore at the end.
1401
1402 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
1403
1404         * stor-layout.c (layout_type): Remove obsolete code.
1405
1406 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
1407
1408         PR middle-end/41395
1409         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
1410
1411 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1412
1413         PR middle-end/30789
1414         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
1415         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
1416         (fold_builtin_2, do_mpc_arg1): Update accordingly.
1417         * fold-const.c (const_binop): Likewise.
1418         * real.h (do_mpc_arg2): Update prototype.
1419
1420 2009-09-20  Jan Hubicka  <jh@suse.cz>
1421
1422         * dwarf2out.c (add_const_value_attribute): Return true if successful.
1423         (add_location_or_const_value_attribute): Rewrite using
1424         loc_list_from_tree.
1425         (tree_add_const_value_attribute): Return true if successful.
1426         (tree_add_const_value_attribute_for_decl): Likewise.
1427
1428         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
1429         (loc_descriptor): ... here;
1430         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1431         (cst_pool_loc_descr): Break out from ...; do not reffer constant
1432         pool items that was not marked for output.
1433         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
1434         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1435         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
1436         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
1437         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
1438         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
1439         DW_OP_stack_value to get address of items that are not available
1440         as addresses.
1441         (dw_loc_list): Handle single element lists correctly.
1442
1443 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
1444             Pascal Obry  <obry@adacore.com>
1445
1446         * unwind-dw2-fde.c (classify_object_over_fdes):
1447         Cast the constant 1 to _Unwind_Ptr.
1448         (add_fdes): Likewise.
1449         (linear_search_fdes): Likewise.
1450
1451 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
1452
1453         * stor-layout.c (set_sizetype): Avoid useless type copy.
1454
1455 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
1456
1457         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
1458         feature check.
1459         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
1460         * configure, config.in: Regenerate.
1461         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
1462         DW_EH_PE_absptr.
1463         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
1464         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
1465         for global data if the output could be used in a shared library.
1466         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1467         to 0 if TARGET_WRITABLE_EH_FRAME.
1468
1469 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
1470
1471         PR rtl-optimization/39886
1472         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
1473         just when insn is equal to BB_END (bb).
1474
1475 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
1476
1477         * config/mips/mips.opt (mrelax-pic-calls): New option.
1478         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
1479         the file.
1480         (mips_unspec_call): Change "unspec_call" expander into this.
1481         (mips_strip_unspec_call): New function.
1482         (mips_got_load): Call mips_unspec_call instead of
1483         gen_unspec_call<mode>.
1484         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
1485         MIPS_CALL.
1486         (mips_cfg_in_reorg): New function.
1487         (mips16_lay_out_constants): Use it to decide whether to call
1488         CFG-aware insn splitting.
1489         (r10k_insert_cache_barriers): Move CFG set-up code from here to
1490         mips_reorg.  Move DF set-up code from here ...
1491         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
1492         from here.
1493         (mips_reorg): Call mips_df_reorg instead of
1494         r10k_insert_cache_barriers.  Move CFG set-up code here from
1495         r10k_insert_cache_barriers.
1496         (mips_call_expr_from_insn): New function.
1497         (mips_pic_call_symbol_from_set): Likewise.
1498         (mips_find_pic_call_symbol): Likewise.
1499         (mips_annotate_pic_call_expr): Likewise.
1500         (mips_get_pic_call_symbol): Likewise.
1501         (mips_annotate_pic_calls): Likewise.
1502         (mips_override_options): Disable -mrelax-pic-calls unless PIC
1503         calls are used.
1504         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
1505         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
1506         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
1507         directive.
1508         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
1509         (unspec_call<mode>): Remove it.
1510         (sibcall_internal, sibcall_value_internal,
1511         sibcall_value_multiple_internal, call_internal, call_split,
1512         call_value_internal, call_value_split,
1513         call_value_multiple_internal, call_value_multiple_split): Pass
1514         SIZE_OPNO to MIPS_CALL.
1515         (call_internal_direct, call_direct_split,
1516         call_value_internal_direct, call_value_direct_split): Pass -1 as
1517         SIZE_OPNO to MIPS_CALL.
1518         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
1519         * configure: Regenerate.
1520         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
1521         and -mno-relax-pic-calls.
1522         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
1523
1524 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1525
1526         PR bootstrap/35619
1527         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
1528         in the directory this rule is called from, rather than the
1529         toplevel 'gcc' directory, to fix in-tree build.
1530
1531 2009-09-19  Chris Demetriou  <cgd@google.com>
1532
1533         PR preprocessor/28435:
1534         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
1535         to cpplib that the preprocessor output is needed.
1536
1537 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
1538
1539         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
1540         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
1541         *return_and_restore_fpregs_<mode>,
1542         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
1543
1544         PR bootstrap/41397
1545         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
1546         instead of assuming it has always a REG inside of it.
1547
1548 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
1549
1550         * config/freebsd.h: Update comment on types.
1551         (WINT_TYPE): Define.
1552
1553 2009-09-18  Jason Merrill  <jason@redhat.com>
1554
1555         * c.opt: Add -fno-deduce-init-list.
1556
1557 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
1558
1559         * value-prof.c (interesting_stringop_to_profile_p): Added output
1560         argument to indicate which parameter is the size parameter.
1561         * value-prof.c (gimple_stringop_fixed_value): Use
1562         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
1563         * value-prof.c (gimple_stringops_transform): Update call sites to
1564         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
1565
1566 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
1567
1568         PR target/38288
1569         From David Binderman <dcb314@hotmail.com>:
1570         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
1571         local variable f.  Remove stale comments.
1572         (ix86_compute_frame_layout): Remove useless local variable total_size.
1573         Remove #if 0'd code.
1574         (legitimate_address_p): Remove useless local variables
1575         reason_rtx and reason.
1576         (ix86_split_copysign_const): Remove useless local variable op1.
1577         (scale_counter): Remove useless local variable piece_size_mask.
1578
1579 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
1580
1581         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
1582         output decl.
1583
1584 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1585
1586         PR target/40913
1587         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
1588
1589 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
1590
1591         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
1592         TYPE_STUB_DECL.
1593
1594 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
1595
1596         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
1597         DW_OP_implicit_value even without dwarf_version 4.
1598
1599 2009-09-17  Jan Hubicka  <jh@suse.cz>
1600
1601         * dwarf2out.c: Include tree-pass.h and gimple.h.
1602         (loc_list_plus_const): New function.
1603         (loc_descriptor_from_tree_1): Rename to ...
1604         (loc_descriptor_from_tree): ... remove original.
1605         (loc_list_from_tree): New function.
1606         (add_AT_location_description): Accept location list.
1607         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
1608         (concatn_mem_loc_descriptor): Remove.
1609         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
1610         returning NULL.
1611         (secname_for_decl): Move up.
1612         (hidden_reference_p): New function; break out from ...
1613         (loc_by_refernece): ... here; move up.
1614         (dw_loc_list): New function.
1615         (single_element_loc_list): New function.
1616         (single_element_loc_list_p): New function.
1617         (add_loc_descr_to_each): New function.
1618         (add_loc_list): New function.
1619         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
1620         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
1621         add diagnostics why expansion failed.
1622         (add_location_or_const_value_attribute): Support location lists.
1623         (add_bound_info): Likewise.
1624         (descr_info_loc): Update call of loc_descriptor_from_tree.
1625         (gen_variable_die): Work on location lists.
1626         * final.c (pass_final): Add dump file.
1627         * Makefile.in (dwarf2out.o): Add new dependencies.
1628
1629 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
1630
1631         PR c/41049
1632         * real.c decimal_from_integer, decimal_integer_string): New.
1633         (real_from_integer): Use them as special case for decimal float.
1634         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
1635         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
1636         Do not append zero after the decimal point in string to convert.
1637
1638 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
1639
1640         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1641         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1642
1643 2009-09-17  Martin Jambor  <mjambor@suse.cz>
1644
1645         * common.opt (fipa-sra): New switch.
1646         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
1647         * timevar.def (TV_IPA_SRA): New timevar.
1648         * params.def (ipa-sra-ptr-growth-factor): New parameter.
1649         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
1650         * tree-sra.c: Include cgraph.c.
1651         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
1652         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
1653         and grp_not_necessarilly_dereferenced.
1654         (func_param_count): New variable.
1655         (encountered_apply_args): New variable.
1656         (bb_dereferences): New variable.
1657         (final_bbs): New variable.
1658         (no_accesses_representant): New variable.
1659         (no_accesses_p): New function.
1660         (dump_access): Dump the new fields.
1661         (sra_initialize): Set encountered_apply_args to false.
1662         (get_ssa_base_param): New function.
1663         (mark_parm_dereference): New function.
1664         (create_access): Caring for INIDRECT_REFs and different handling of
1665         varialble length accesses in early IPA SRA.  Store the stmt - a new
1666         parameter - to the new access.
1667         (build_access_from_expr_1): New parameter stmt, passed to
1668         create_access.  Handle INDIRECT_REFs.
1669         (build_access_from_expr): Pass the current statement to
1670         build_access_from_expr_1.
1671         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
1672         passes.
1673         (build_accesses_from_assign): Pass the current statement to
1674         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
1675         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
1676         final_bbs when necessary.  Check for calls to __builtin_apply_args.
1677         Fixup EH info if anythng was changed.
1678         (is_unused_scalar_param): New function.
1679         (ptr_parm_has_direct_uses): New function.
1680         (find_param_candidates): New function.
1681         (mark_maybe_modified): New function.
1682         (analyze_modified_params): New function.
1683         (propagate_dereference_distances): New function.
1684         (dump_dereferences_table): New function.
1685         (analyze_caller_dereference_legality): New function.
1686         (unmodified_by_ref_scalar_representative): New function.
1687         (splice_param_accesses): New function.
1688         (decide_one_param_reduction): New function.
1689         (enum ipa_splicing_result): New type.
1690         (splice_all_param_accesses): New function.
1691         (get_param_index): New function.
1692         (turn_representatives_into_adjustments): New function.
1693         (analyze_all_param_acesses): New function.
1694         (get_replaced_param_substitute): New function.
1695         (get_adjustment_for_base): New function.
1696         (replace_removed_params_ssa_names): New function.
1697         (sra_ipa_reset_debug_stmts): New function.
1698         (sra_ipa_modify_expr): New function.
1699         (sra_ipa_modify_assign): New function.
1700         (convert_callers): New function.
1701         (modify_function): New function.
1702         (ipa_sra_preliminary_function_checks): New function.
1703         (ipa_early_sra): New function.
1704         (ipa_early_sra_gate): New function.
1705         (pass_early_ipa_sra): New variable.
1706         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
1707
1708 2009-09-17  Michael Matz  <matz@suse.de>
1709
1710         PR middle-end/41347
1711         * tree.c (build_type_attribute_qual_variant): Export.
1712         * tree.h (build_type_attribute_qual_variant): Declare.
1713         * tree-inline.c (remap_type_1): Use it to build variants with
1714         the original qualifiers and attributes.
1715
1716 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1717
1718         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
1719         without a fallthrough edge.
1720
1721 2009-09-16  DJ Delorie  <dj@redhat.com>
1722
1723         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
1724         chip and ignore the "fast_interrupt" attribute if so.
1725
1726 2009-09-16  Richard Henderson  <rth@redhat.com>
1727
1728         PR middle-end/41360
1729         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
1730         barrier fix.
1731
1732 2009-09-16  Richard Henderson  <rth@redhat.com>
1733
1734         PR target/41246
1735         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
1736         is set only if DECL_NO_STATIC_CHAIN is unset.
1737         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
1738         (FOR_EACH_NEST_INFO): New.
1739         (walk_all_functions): Use it.
1740         (finalize_nesting_tree): Likewise.
1741         (unnest_nesting_tree): Likewise.
1742         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
1743         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
1744         (convert_gimple_call): Early out if gimple_call_chain already set.
1745         (convert_all_function_calls): Iterate until no new functions
1746         require a static chain.
1747         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
1748         when building a trampoline.  Use dump_function_to_file instead
1749         of dump_function.
1750         (lower_nested_functions): Open dump_file.  Validate that decls
1751         that have DECL_NO_STATIC_CHAIN from the front end don't have that
1752         bit reset by this pass.
1753
1754 2009-09-16  Michael Matz  <matz@suse.de>
1755
1756         PR fortran/41212
1757         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
1758         shorten decl_common_unused.
1759         (DECL_RESTRICTED_P): New accessor.
1760         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
1761         to disambiguate marked decls and restrict pointers.
1762
1763 2009-09-16  Richard Henderson  <rth@redhat.com>
1764
1765         PR middle-end/41360
1766         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
1767
1768 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
1769
1770         * integrate.c (set_block_abstract_flags): Call
1771         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
1772
1773 2009-09-16  Richard Guenther  <rguenther@suse.de>
1774
1775         PR middle-end/34011
1776         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
1777         as non-aliased.
1778
1779 2009-09-16  DJ Delorie  <dj@redhat.com>
1780             Kaz Kojima  <kkojima@gcc.gnu.org>
1781
1782         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
1783         (sh_expand_prologue): Update calls to output_stack_adjust.
1784         (sh_expand_epilogue): Likewise.
1785
1786 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
1787
1788         PR bootstrap/41349
1789         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
1790         trying to limit the extent of searches in the insn stream.
1791
1792 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
1793             Jakub Jelinek  <jakub@redhat.com>
1794
1795         PR target/41175
1796         PR target/40677
1797         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
1798         problem.
1799         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
1800         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
1801         (rs6000_savres_strategy): Always save FP registers inline if the
1802         target doesn't support hardware double-precision.  Set the above
1803         bits in return value when needed.
1804         (rs6000_savres_routine_sym): Fix computation for cache selector.
1805         Mark the generated symbol as a function.  Rename exitp argument to
1806         lr.  Move code for determining the name of the symbol...
1807         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
1808         getting the names right on AIX and 64-bit Linux.
1809         (savres_routine_name): New variable.
1810         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
1811         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
1812         on what the target routine uses as a base register.  If savep && lr
1813         describe saving of r0 into memory slot.
1814         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
1815         line calls for AIX ABI.
1816         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
1817         determine FP save/restore functions.
1818         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
1819         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
1820         gen_addsi3.
1821         (rs6000_emit_epilogue): Adjust computation of restore_lr.
1822         Duplicate restoration of LR and execute the appropriate one
1823         depending on whether GPRs are being restored inline.  Set r11 from
1824         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
1825         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
1826         Fix out of line calls for AIX ABI.
1827         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
1828         New insn.
1829         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
1830         register 11.
1831         (*restore_gpregs_spe): Likewise.
1832         (*return_and_restore_gpregs_spe): Likewise.
1833         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
1834         Define to empty string unconditionally.
1835         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
1836         Define to empty string unconditionally.
1837         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
1838         !TARGET_64BIT.
1839
1840 2009-09-15  Jan Hubicka  <jh@suse.cz>
1841
1842         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
1843         * params.def (inline-insns-auto): Likewise.
1844
1845 2009-09-15  Martin Jambor  <mjambor@suse.cz>
1846
1847         * ipa-inline.c (estimate_function_body_sizes): Dump info about
1848         individual statements only at TDF_DETAILS dump level.  Format
1849         source for 80 characters per line.
1850
1851 2009-09-15  Christian Bruel  <christian.bruel@st.com>
1852
1853         * regrename.c (do_replace): Update REG_DEAD notes.
1854
1855 2009-09-15  Revital Eres  <eres@il.ibm.com>
1856
1857         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
1858         * targhooks.c (default_builtin_support_vector_misalignment):
1859         New builtin function.
1860         * targhooks.h (default_builtin_support_vector_misalignment):
1861         Declare.
1862         * target.h (builtin_support_vector_misalignment):
1863         New field in struct gcc_target.
1864         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
1865         new builtin function.
1866         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
1867         Define.
1868         * config/rs6000/rs6000.c
1869         (rs6000_builtin_support_vector_misalignment): New function.
1870         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
1871
1872 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
1873
1874         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
1875         instead of INSN_P.
1876         (bfin_optimize_loop): Likewise.
1877         (bfin_gen_bundles): Likewise.
1878         (workaround_speculation): Likewise.
1879         (find_load): Return NULL_RTX for debug_insn.
1880
1881 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
1882
1883         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
1884         (sminsf3): Ditto.
1885
1886 2009-09-14  DJ Delorie  <dj@redhat.com>
1887
1888         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
1889         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
1890         VLIW mode.
1891
1892 2009-09-14  Richard Henderson  <rth@redhat.com>
1893             Jakub Jelinek  <jakub@redhat.com>
1894
1895         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
1896         * cfgbuild.c (make_edges): Handle asm goto.
1897         * cfglayout.c (fixup_reorder_chain): Likewise.
1898         * cfgrtl.c (patch_jump_insn): Likewise.
1899         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
1900         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
1901         (gimple_build_asm_vec): Add and use labels parameter.
1902         (gimple_build_asm): Remove.
1903         (walk_gimple_asm): Walk labels too.
1904         * gimple.def (GIMPLE_ASM): Update docs.
1905         * gimple.h: Update decls.
1906         (struct gimple_statement_asm): Change nc to use unsigned char;
1907         add nl member.
1908         (gimple_asm_nlabels): New.
1909         (gimple_asm_label_op, gimple_asm_set_label_op): New.
1910         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
1911         into gimple_build_asm_vec.
1912         * jump.c (mark_jump_label_asm): New.
1913         (mark_jump_label): Use it.
1914         (redirect_jump_1): Handle asm goto.
1915         (invert_jump_1): Soft fail if X is null.
1916         * recog.c (extract_asm_operands): New.
1917         (asm_noperands): Use it; handle asm labels.
1918         (decode_asm_operands): Use extract_asm_operands.
1919         (asm_operand_ok): Properly handle empty string.
1920         * reg-stack.c (get_asm_operands_in_out): Rename from
1921         get_asm_operand_n_inputs; use extract_asm_operands; return both
1922         inputs and outputs by reference; update all callers.
1923         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
1924         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
1925         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
1926         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
1927         (extract_asm_operands): Declare.
1928         * stmt.c (expand_asm_operands): Add and use labels parameter.
1929         (check_unique_operand_names): Likewise.
1930         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
1931         (expand_asm_stmt): Handle asm labels.
1932         * tree-cfg.c (make_gimple_asm_edges): New.
1933         (make_edges): Use it.
1934         (cleanup_dead_labels): Handle asm labels.
1935         (is_ctrl_altering_stmt): Likewise.
1936         (gimple_redirect_edge_and_branch): Likewise.
1937         * tree.def (ASM_EXPR): Add 5th operand.
1938         * tree.h (ASM_LABELS): New.
1939         (resolve_asm_operand_names): Update decl.
1940
1941         * c-parser.c (c_parser_asm_statement): Parse asm goto.
1942         (c_parser_asm_goto_operands): New.
1943         * c-tree.h (build_asm_expr): Update decl.
1944         * c-typeck.c (build_asm_expr): Add and use labels parameter.
1945         * doc/extend.texi: Document asm goto.
1946
1947 2009-09-14  Richard Henderson  <rth@redhat.com>
1948
1949         * except.h: Update declarations.
1950         (struct pointer_map_t): Forward declare.
1951         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
1952         (struct eh_landing_pad_d, eh_landing_pad): New.
1953         (struct eh_catch_d, eh_catch): New.
1954         (struct eh_region_d): Remove next_region_sharing_label, aka,
1955         label, tree_label, landing_pad, post_landing_pad, resume,
1956         may_contain_throw.  Rename region_number to index.  Remove
1957         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
1958         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
1959         (VEC(eh_landing_pad,gc)): New.
1960         (struct eh_status): Remove last_region_number.  Add lp_array,
1961         throw_stmt_table, ttype_data, ehspec_data.
1962         (ehr_next, FOR_ALL_EH_REGION_AT): New.
1963         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
1964         * except.c (lang_protect_cleanup_actions): Return tree.
1965         (struct ehl_map_entry): Remove.
1966         (init_eh_for_function): Push zero entries for region and lp_array.
1967         (gen_eh_region): Add to region_array immediately.
1968         (gen_eh_region_catch): Operate on eh_catch objects.
1969         (gen_eh_landing_pad): New.
1970         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
1971         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
1972         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
1973         (get_eh_landing_pad_from_number_fn): New.
1974         (get_eh_landing_pad_from_number): New.
1975         (get_eh_region_from_lp_number_fn): New.
1976         (get_eh_region_from_lp_number): New.
1977         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
1978         (get_exception_pointer, get_exception_filter): Remove.
1979         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
1980         (current_function_has_exception_handlers): Simplify.
1981         (bring_to_root, eh_region_replaceable_by_p): Remove.
1982         (replace_region, hash_type_list, hash_eh_region): Remove.
1983         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
1984         (label_to_region_map, num_eh_regions): Remove.
1985         (get_next_region_sharing_label, must_not_throw_labels): Remove.
1986         (find_exception_handler_labels): Remove.
1987         (duplicate_eh_regions_0, find_prev_try): Remove.
1988         (struct duplicate_eh_regions_data): New.
1989         (duplicate_eh_regions_1): Rewrite.
1990         (duplicate_eh_regions): Return a pointer map instead of an
1991         integer offset.
1992         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
1993         (redirect_eh_edge_to_label): Remove.
1994         (eh_region_outermost): Rewrite using eh_region pointers
1995         instead of integers.
1996         (add_ttypes_entry): Update for ttype_data move to eh_status.
1997         (add_ehspec_entry): Rewrite with VEC instead of varray.
1998         (assign_filter_values): Likewise.  Export.
1999         (build_post_landing_pads, connect_post_landing_pads): Remove.
2000         (dw2_build_landing_pads): Rewrite to use lp_array.
2001         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
2002         (sjlj_assign_call_site_values): Rewrite to use lp_array.
2003         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
2004         (sjlj_mark_call_sites): Update for landing pad numbers.
2005         (finish_eh_generation): Rewrite.
2006         (gate_handle_eh): Do nothing for no eh tree.
2007         (pass_rtl_eh): Move up near finish_eh_generation.
2008         (remove_eh_landing_pad): New.
2009         (remove_eh_handler): Export.
2010         (remove_eh_region, remove_eh_handler_and_replace): Remove.
2011         (for_each_eh_label): Rewrite to use lp_array.
2012         (make_reg_eh_region_note): New.
2013         (make_reg_eh_region_note_nothrow_nononlocal): New.
2014         (insn_could_throw_p): New.
2015         (copy_reg_eh_region_note_forward): New.
2016         (copy_reg_eh_region_note_backward): New.
2017         (check_handled, add_reachable_handler): Remove.
2018         (reachable_next_level, foreach_reachable_handler): Remove.
2019         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
2020         (get_eh_region_and_lp_from_rtx): New.
2021         (get_eh_region_from_rtx): New.
2022         (can_throw_internal_1, can_throw_external_1): Remove.
2023         (can_throw_internal): Use get_eh_region_from_rtx.
2024         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
2025         (insn_nothrow_p, can_nonlocal_goto): New.
2026         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
2027         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
2028         (add_action_record): Use VEC not varray.
2029         (collect_one_action_chain): Update for eh_region changes.
2030         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
2031         Use get_eh_region_and_lp_from_rtx.
2032         (gate_convert_to_eh_region_ranges): New.
2033         (pass_convert_to_eh_region_ranges): Use it.
2034         (push_uleb128, push_sleb128): Use VEC not varray.
2035         (output_one_function_exception_table): Likewise.
2036         (dump_eh_tree): Update for eh_region changes.
2037         (verify_eh_tree): Likewise.
2038         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
2039         * tree-eh.c: Include target.h.
2040         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
2041         Don't disallow GIMPLE_RESX; adjust argument check.
2042         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
2043         (record_stmt_eh_region): Update for landing pad numbers;
2044         generate a landing pad if necessary.
2045         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
2046         (remove_stmt_from_eh_lp_fn): Similarly.
2047         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
2048         Update for lp numbers; don't special case missing throw_stmt_table.
2049         (lookup_expr_eh_lp): Similarly.
2050         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
2051         (eh_seq, eh_region_may_contain_throw): New.
2052         (struct leh_state): Add ehp_region.
2053         (struct leh_tf_state): Remove eh_label.
2054         (emit_post_landing_pad): New.
2055         (emit_resx, emit_eh_dispatch): New.
2056         (note_eh_region_may_contain_throw): New.
2057         (frob_into_branch_around): Take eh_region not eh label;
2058         emit eh code into eh_seq.
2059         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
2060         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
2061         lower_eh_must_not_throw.  Emit code to eh_seq.
2062         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
2063         (lower_try_finally_onedest): Likewise.
2064         (lower_try_finally_copy): Likewise.
2065         (lower_try_finally_switch): Likewise.
2066         (lower_try_finally): Initialize ehp_region.
2067         (lower_catch): Update for eh_catch objects.
2068         (lower_eh_filter): Don't handle must_not_throw.
2069         (lower_eh_must_not_throw): New.
2070         (lower_cleanup): Don't set eh_label.
2071         (lower_eh_constructs_2): Resolve eh builtins.
2072         Handle GIMPLE_EH_MUST_NOT_THROW.
2073         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
2074         Add eh_seq to the end of the function body.
2075         (make_eh_dispatch_edges): New.
2076         (make_eh_edge): Remove.
2077         (make_eh_edges): Simplify for landing pads.
2078         (redirect_eh_edge_1): New.
2079         (redirect_eh_edge): Use it.
2080         (redirect_eh_dispatch_edge): New.
2081         (stmt_could_throw_p): Use a switch.  Allow RESX.
2082         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
2083         (stmt_can_throw_internal): Likewise.
2084         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
2085         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
2086         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
2087         (gate_refactor_eh): New.
2088         (pass_refactor_eh): Use it.
2089         (lower_resx, execute_lower_resx, pass_lower_resx): New.
2090         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
2091         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
2092         (remove_unreachable_handlers): Rename from
2093         tree_remove_unreachable_handlers; rewrite for landing pads;
2094         call remove_eh_handler directly.
2095         (remove_unreachable_handlers_no_lp): New.
2096         (unsplit_eh, unsplit_all_eh): New.
2097         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
2098         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
2099         (cleanup_empty_eh_unsplit): New.
2100         (cleanup_empty_eh): Rewrite.
2101         (cleanup_all_empty_eh): New.
2102         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
2103         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
2104         (gate_cleanup_eh): New.
2105         (pass_cleanup_eh): Use it.
2106         (verify_eh_edges): Move later in file.  Expect one EH edge.
2107         (verify_eh_dispatch_edge): New.
2108
2109         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
2110         (gtype-desc.o): Add TARGET_H.
2111         (tree.o): Use EXCEPT_H, not except.h.
2112         (cfgbuild.o): Add EXPR_H.
2113         (GTFILES): Add vecprim.h.
2114         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
2115         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
2116         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
2117         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
2118         * calls.c (emit_call_1): Use make_reg_eh_region_note.
2119         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
2120         calls to can_throw_internal.
2121         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
2122         (make_edges): Don't handle RESX; use can_nonlocal_goto.
2123         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
2124         (expand_gimple_stmt): Use make_reg_eh_region_note.
2125         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
2126         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
2127         or find_exception_handler_labels.
2128         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
2129         there is exacly one EH edge.  Use can_nonlocal_goto and
2130         can_throw_internal.
2131         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
2132         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
2133         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
2134         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
2135         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
2136         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
2137         * dse.c (scan_insn): Use insn_could_throw_p.
2138         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
2139         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
2140         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
2141         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
2142         EXC_PTR_EXPR or FILTER_EXPR.
2143         (tree_expr_nonzero_warnv_p): Likewise.
2144         * function.h: Include vecprim.h, not varray.h
2145         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
2146         move ttype_data and ehspec_data members to struct eh_status; change
2147         action_record_data member to a VEC.
2148         * gcse.c (hash_scan_set): Use can_throw_internal.
2149         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
2150         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
2151         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
2152         (block_may_fallthru): Don't handle RESX_EXPR.
2153         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
2154         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
2155         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
2156         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
2157         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
2158         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
2159         (gimple_size): Likewise.
2160         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
2161         (gimple_build_resx): Use gimple_build_with_ops.
2162         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
2163         (is_gimple_val): Likewise.
2164         (is_gimple_stmt): Remove RESX_EXPR.
2165         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
2166         (GIMPLE_RESX): Reorder with other EH constructs.
2167         * gimple.h (struct gimple_statement_eh_mnt): New.
2168         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
2169         (gimple_eh_filter_must_not_throw): Remove.
2170         (gimple_eh_filter_set_must_not_throw): Remove.
2171         (gimple_eh_must_not_throw_fndecl): New.
2172         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
2173         (is_gimple_resx): New.
2174         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
2175         Don't copy EH_FILTER_MUST_NOT_THROW.
2176         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
2177         * ipa-inline.c (estimate_function_body_sizes): Don't try to
2178         handle must_not_throw_labels specially.
2179         * ipa-pure-const.c (check_call): Update debug statement for LP.
2180         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
2181         * ipa-utils.c (get_base_var): Likewise.
2182         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
2183         * lower-subreg.c (move_eh_region_note): Remove.
2184         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
2185         * omp-low.c (new_omp_context): Update for eh_lp_nr.
2186         (create_task_copyfn): Likewise.
2187         (maybe_catch_exception): Use gimple_build_eh_filter.
2188         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
2189         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
2190         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
2191         and pass_lower_resx.
2192         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
2193         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
2194         can_throw_internal, can_nonlocal_goto.
2195         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
2196         copy_reg_eh_region_note_forward.
2197         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
2198         (emit_output_reload_insns): Likewise.
2199         (copy_eh_notes): Remove.
2200         * rtl.def (RESX): Remove.
2201         * rtl.h: Update declarations.
2202         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
2203         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
2204         (update_eh_label): Remove.
2205         (cleanup_dead_labels_eh): New.
2206         (cleanup_deal_labels): Use it instead of update_eh_label.
2207         (gimple_merge_blocks): Update landing pad data structure when
2208         removing a landing pad label.
2209         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
2210         test; handle GIMPLE_EH_MUST_NOT_THROW.
2211         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
2212         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
2213         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
2214         (verify_stmt): Likewise.  Verify landing pads.
2215         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
2216         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
2217         (struct move_stmt_d): Add eh_map.
2218         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
2219         (move_stmt_r): Remap eh region numbers in builtin calls,
2220         resx and eh_dispatch.
2221         (move_block_to_fn): Remove eh_offset parameter.  Use
2222         maybe_duplicate_eh_stmt_fn.
2223         (find_outermost_region_in_block): Operate on eh_region pointers
2224         instead of region numbers.
2225         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
2226         duplicate_eh_regions.
2227         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
2228         test earlier.  Disallow EH landing pads.
2229         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
2230         * tree-flow.h: Update declarations.
2231         (struct tree_ann_common_d): Replace rn with lp_nr.
2232         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
2233         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
2234         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
2235         resx and eh_dispatch.
2236         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
2237         (copy_edges_for_bb): Use make_eh_dispatch_edges.
2238         (copy_cfg_body): Expect eh_map instead of eh_region_offset
2239         from duplicate_eh_regions.
2240         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
2241         update RESX; handle EH_DISPATCH.
2242         (expand_call_inline): Set eh_lp_nr, not eh_region.
2243         (maybe_inline_call_in_expr): Likewise.
2244         * tree-inline.h (struct copy_body_data): Replace eh_region with
2245         eh_lp_nr, eh_region_offset with eh_map.
2246         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
2247         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
2248         * tree-pretty-print.c (dump_generic_node): Don't handle
2249         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
2250         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
2251         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
2252         EXC_PTR_EXPR, FILTER_EXPR.
2253         * tree-ssa-operands.c (get_expr_operands): Likewise.
2254         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
2255         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2256         (ao_ref_init_from_vn_reference): Likewise.
2257         * tree-ssa-sink.c (statement_sink_location): Likewise.
2258         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2259         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
2260         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
2261         EXC_PTR_EXPR, FILTER_EXPR.
2262         (is_exception_related): Remove.
2263         (compute_avail): Don't call it.
2264         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
2265         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
2266         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
2267         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
2268         Build EH builtins.
2269         (build_resx): Remove.
2270         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
2271         * tree.h: Update declarations.
2272         (EH_FILTER_MUST_NOT_THROW): Remove.
2273         (struct tree_label_decl): Add eh_landing_pad_nr.
2274         (EH_LANDING_PAD_NR): New.
2275         * value-prof.c (gimple_ic): Tidy variable names.  Update for
2276         landing pad numbers.
2277         (gimple_stringop_fixed_value): Tidy variable names.  Assert
2278         that neither call stmt can throw.
2279         * vecprim.h (uchar): New.
2280         (VEC(uchar,heap), VEC(uchar,gc)): New.
2281
2282         * c-common.c (c_define_builtins): Update call to
2283         build_common_builtin_nodes.
2284         * c-parser.c (c_parse_file): Don't call
2285         default_init_unwind_resume_libfunc.
2286
2287 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
2288
2289         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
2290         (mips_cprestore_address_p): Likewise.
2291         (mips_save_gp_to_cprestore_slot): Likewise.
2292         (mips_restore_gp): Rename to...
2293         (mips_restore_gp_from_cprestore_slot): ...this.
2294         (mips_must_initialize_gp_p): Declare.
2295         (mips_emit_save_slot_move): Likewise.
2296         (mips_output_load_label): Return nothing.
2297         (mips_eh_uses): Declare.
2298         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
2299         (TARGET_CPRESTORE_DIRECTIVE): New macro.
2300         (TARGET_ABSOLUTE_JUMPS): Likewise.
2301         (EH_USES): Likewise.
2302         (FIRST_PSEUDO_REGISTER): Update comment.
2303         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
2304         (MIPS_CALL): ...here.
2305         (REGISTER_NAMES): Add $cprestore.
2306         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
2307         Add load_label_length, has_inflexible_gp_insn_p,
2308         has_flexible_gp_insn_p, must_initialize_gp_p and
2309         must_restore_gp_when_clobbered_p.
2310         (mips_expand_call): Don't generate split instructions here.
2311         (mips_split_call): Update the call to mips_restore_gp after
2312         the above name change.
2313         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
2314         (mips_find_gp_ref): New function.
2315         (mips_insn_has_inflexible_gp_ref_p): Likewise.
2316         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
2317         (mips_insn_has_flexible_gp_ref_p): Likewise.
2318         (mips_cfun_has_flexible_gp_ref_p): Likewise.
2319         (mips_function_has_gp_insn): Delete.
2320         (mips_global_pointer): Drop the df_regs_ever_live_p check.
2321         Use the new functions above.  Only return INVALID_REGNUM
2322         for TARGET_ABSOLUTE_JUMPS.
2323         (mips_must_initialize_gp_p): New function.
2324         (mips_get_cprestore_base_and_offset): New function, extracted from...
2325         (mips_cprestore_slot): ...here.  Take a bool parameter.
2326         (mips_cfun_has_cprestore_slot_p): New function.
2327         (mips_cprestore_address_p): Likewise.
2328         (mips_save_gp_to_cprestore_slot): Likewise.
2329         (mips_restore_gp): Rename to...
2330         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
2331         epilogue_completed.  Update the call to mips_cprestore_slot.
2332         Test cfun->machine->must_restore_gp_when_clobbered_p.
2333         (mips_direct_save_slot_move_p): New function.
2334         (mips_emit_save_slot_move): Likewise.
2335         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
2336         of cfun->machine->global_pointer.
2337         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
2338         (mips_save_reg): Use mips_emit_save_slot_move.
2339         (mips_expand_prologue): Set must_initialize_gp_p.
2340         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
2341         for all cprestore saves.  Emit a use_cprestore instruction after
2342         setting up the cprestore slot.
2343         (mips_restore_reg): Use mips_emit_save_slot_move.
2344         (mips_process_load_label): New function.
2345         (mips_load_label_length): Likewise.
2346         (mips_output_load_label): Don't return asm: output it here instead.
2347         Use mips_process_load_label.
2348         (mips_adjust_insn_length): Adjust the length of branch instructions
2349         that have length MAX_PIC_BRANCH_LENGTH.
2350         (mips_output_conditional_branch): Update the call to
2351         mips_output_load_label.  Assume the branch target is OPERANDS[0]
2352         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
2353         (mips_output_order_conditional_branch): Swap the meaning of
2354         OPERANDS[0] and OPERANDS[1].
2355         (mips_variable_issue): Don't count ghost instructions.
2356         (mips_expand_ghost_gp_insns): New function.
2357         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
2358         (mips_output_mi_thunk): Set must_initialize_gp_p.
2359         (mips_eh_uses): New function.
2360         * config/mips/predicates.md (cprestore_save_slot_operand)
2361         (cprestore_load_slot_operand): New predicates.
2362         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
2363         (UNSPEC_MOVE_GP): Likewise.
2364         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
2365         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
2366         (CPRESTORE_SLOT_REGNUM): New register.
2367         (MAX_PIC_BRANCH_LENGTH): New constant.
2368         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
2369         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
2370         branches.  Fix commentary.
2371         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
2372         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
2373         Change type to "ghost".
2374         (loadgp_absolute_<mode>): Likewise.
2375         (loadgp_rtp_<mode>): Likewise.
2376         (copygp_mips16): Likewise.
2377         (loadgp_blockage): Remove redundant mode attribute.
2378         (potential_cprestore): New instruction.
2379         (cprestore): Turn into an unspec set.
2380         (use_cprestore): New instruction.
2381         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
2382         (*branch_fp_inverted): Likewise.
2383         (*branch_order<mode>): Likewise.
2384         (*branch_order<mode>_inverted): Likewise.
2385         (*branch_equality<mode>): Likewise.
2386         (*branch_equality<mode>_inverted): Likewise.
2387         (*branch_bit<bbv><mode>): Likewise.
2388         (*branch_bit<bbv><mode>_inverted): Likewise.
2389         (*branch_equality<mode>_mips16): Remove redundant mode.
2390         (jump): Turn into a define_expand.
2391         (*jump_absolute): New instruction.
2392         (*jump_pic): Likewise.
2393         (*jump_mips16): Rename previously-unnamed pattern.  Remove
2394         redundant mode attribute.
2395         (restore_gp): Split on epilogue_completed rather than
2396         reload_completed.  Change type to "ghost".
2397         (move_gp<mode>): New instruction.
2398         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
2399         Remove redundant mode attribute.
2400         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
2401         (bc1any4f, bc1any2t, bc1any2f): Likewise.
2402         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
2403
2404 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2405
2406         PR target/41210
2407         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
2408         are returned in the same register (vs34 or v2) that Altivec vector
2409         types are returned in.
2410         (rs6000_libcall_value): Ditto.
2411
2412         PR target/41331
2413         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
2414         instead of explicit addsi3/adddi3 calls.
2415         (rs6000_split_multireg_move): Ditto.
2416         (rs6000_emit_allocate_stack): Ditto.
2417         (rs6000_emit_prologue): Ditto.
2418         (rs6000_output_mi_thunk): Ditto.
2419
2420         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
2421         size is 64 bits if we can use 64-bit registers.
2422
2423 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2424
2425         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
2426         symbols.
2427
2428         From Jie Zhang <jie.zhang@analog.com>:
2429         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
2430         save FP and RETS with saveall attribute.
2431         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
2432         with saveall attribute.
2433
2434         * config/bfin/bfin.c (bfin_expand_builtin,
2435         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
2436         operands.
2437
2438         From Jie Zhang <jie.zhang@analog.com>:
2439         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
2440         before use in two places.
2441         * config/bfin/bfin.md (AREG): Define mode iterator.
2442         (reload_in, reload_out): Use mode iterator AREG.
2443
2444 2009-09-14  Richard Guenther  <rguenther@suse.de>
2445
2446         PR middle-end/41350
2447         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
2448         EH personality path.
2449
2450 2009-09-13  Richard Guenther  <rguenther@suse.de>
2451             Rafael Avila de Espindola  <espindola@google.com>
2452
2453         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
2454         (LANG_HOOKS_EH_PERSONALITY): Likewise.
2455         (LANG_HOOKS_INITIALIZER): Adjust.
2456         (lhd_pass_through_t): Declare.
2457         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
2458         eh_personality.
2459         * langhooks.c (lhd_pass_through_t): New function.
2460         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
2461         dwarf2out_begin_prologue): Use personality from current_function_decl.
2462         * expr.h (get_personality_function): Declare.
2463         * expr.c (get_personality_function): New function.
2464         (build_personality_function): Likewise.
2465         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
2466         (eh_personality_libfunc): Remove.
2467         * optabs.c (build_libfunc_function): New function split out from ...
2468         (init_one_libfunc): ... here.
2469         * tree.h (DECL_FUNCTION_PERSONALITY): New.
2470         (tree_function_decl): Add personality.
2471         (lhd_gcc_personality): Declare.
2472         (build_personality_function): Likewise.
2473         * tree.c (gcc_eh_personality_decl): New.
2474         (lhd_gcc_personality): New function.
2475         * except.h (lang_eh_runtime_type): Remove.
2476         (enum eh_personality_kind): New.
2477         (build_personality_function): Declare.
2478         (function_needs_eh_personality): Declare.
2479         * except.c (lang_eh_runtime_type): Remove.
2480         (function_needs_eh_personality): New function.
2481         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
2482         (sjlj_emit_function_enter, output_function_exception_table):
2483         Use personality from current_function_decl.
2484         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
2485         * tree-inline.c (tree_can_inline_p): Do not inline across different
2486         EH personalities.
2487         (expand_call_inline): Likewise.  Adjust the callers EH personality.
2488         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
2489         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
2490         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
2491         (c-parser.o): Likewise
2492         * c-tree.h (c_eh_initialized_p): Remove.
2493         (c_maybe_initialize_eh): Likewise.
2494         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
2495         (finish_decl): Don't call c_maybe_initialize_eh.
2496         (c_eh_initialized_p): Remove.
2497         (c_maybe_initialize_eh): Likewise.
2498         * c-parser.c (c_parser_omp_construct): Likewise.
2499         (c_parse_file): Initialize exception handling.
2500
2501 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
2502
2503         * config.gcc (tm_file): Remove i386/biarch32.h
2504         for i?86-w64-mingw* case.
2505         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
2506         support.
2507         * config.host: Set for x64 mingw the option
2508         use_long_long_for_widest_fast_int to yes.
2509
2510 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
2511
2512         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2513         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
2514         (dbxout_begin_function): Likewise.
2515         * final.c (dwarf2_debug_info_emitted_p): New predicate.
2516         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
2517         set on the function.
2518         (final_end_function): Likewise.
2519         (final_scan_insn): Likewise.
2520         (rest_of_handle_final): Likewise.
2521         * varasm.c (assemble_start_function): Likewise.
2522         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2523
2524 2009-09-12  Jason Merrill  <jason@redhat.com>
2525
2526         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
2527         * opts.c (common_handle_option): constify.
2528
2529 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
2530
2531         * doc/install.texi (avr): Remove obsolete reference site.
2532
2533 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
2534
2535         * doc/install.texi (Binaries): Adjust AIX link.
2536
2537 2009-09-12  Akim Demaille  <demaille@gostai.com>
2538
2539         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
2540         Use an imperative sentence.
2541
2542 2009-09-11  Richard Henderson  <rth@redhat.com>
2543
2544         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
2545         structure-name and has-tree-operands arguments; update all entries.
2546         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
2547         update all entries.
2548         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
2549         (gsstruct_code_size): New.
2550         (gss_for_code_): New.
2551         (gss_for_code): Remove.
2552         (gimple_size): Rewrite using gsstruct_code_size.
2553         (gimple_statement_structure): Move to gimple.h.
2554         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
2555         (gss_for_code, gimple_statement_structure): New.
2556         (gimple_ops): Use new arrays; tidy.
2557
2558 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2559
2560         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
2561         operand to be a PLUS expression.
2562         * config/pa/pa.c (pa_secondary_reload): Likewise.
2563
2564 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
2565
2566         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
2567
2568         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
2569         XEXP (in_rtx, 8).
2570
2571 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2572
2573         From Jie Zhang <jie.zhang@analog.com>:
2574         * doc/extend.texi (node Function Attributes): Document l2
2575         function attribute.
2576         (node Blackfin Variable Attributes): Document l2 variable attributes.
2577
2578 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
2579
2580         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
2581         to match the system compiler's configuration at inflection point.
2582         Add comment to remark a remaining difference with system compiler.
2583
2584         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
2585         * configure: Regenerate.
2586
2587 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2588
2589         From Jie Zhang <jie.zhang@analog.com>:
2590         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
2591         (bfin_handle_l2_attribute): New.
2592         (bfin_attribute_table): Add l2 attribute.
2593
2594 2009-09-11  Michael Matz  <matz@suse.de>
2595
2596         PR middle-end/41275
2597         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
2598         on the local_decls list.
2599
2600 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
2601
2602         PR debug/41276
2603         PR debug/41307
2604         * cselib.c (cselib_expand_value_rtx_cb): Document callback
2605         interface.
2606         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
2607         for VALUEs, to implement the documented interface.
2608         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
2609         Adjust for VALUEs and anything else, to implement the
2610         documented interface.
2611
2612 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
2613
2614         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
2615         with actual SPE/paired vector modes before using 64-bit alignment.
2616         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
2617
2618 2009-09-10  DJ Delorie  <dj@redhat.com>
2619
2620         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
2621         emitted.
2622
2623         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
2624         * config/mep/mep.c (mep_legitimate_constant_p): New.
2625         * config/mep/mep-protos.h: Prototype it.
2626
2627 2009-09-10  Richard Henderson  <rth@redhat.com>
2628
2629         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
2630
2631 2009-09-10  Jason Merrill  <jason@redhat.com>
2632
2633         * tree.c (chain_index): New fn.
2634         * tree.h: Declare it.
2635
2636 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2637
2638         * config/sol2-c.c (cmn_err_length_specs): Initialize
2639         scalar_identity_flag.
2640
2641 2009-09-10  Richard Henderson  <rth@redhat.com>
2642
2643         * tree.h (struct tree_decl_common): Move align member earlier;
2644         move label_decl_uid member ...
2645         (struct tree_label_decl): ... here.
2646         (LABEL_DECL_UID): Update to match.
2647
2648         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
2649         not TDF_DETAILS.
2650
2651         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
2652         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
2653
2654         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
2655         dest_prev if the edge is complex.
2656
2657         * tree-cfg.c (is_ctrl_stmt): Use a switch.
2658
2659         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
2660         loop latch tests earlier.
2661
2662         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
2663         before GIMPLE_RETURN, not after its predecessor; insert
2664         before GIMPLE_RESX.
2665
2666         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
2667         gimple_seq_empty_p to test for no PHI nodes.
2668         * tree-cfg.c (split_critical_edges): Likewise.
2669
2670         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
2671
2672 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
2673
2674         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
2675         introduced by the VTA branch merge.
2676
2677 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
2678
2679         * ira-conflicts.c: Use fputs or putc instead of fprintf
2680         where appropriate.
2681         * cfg.c: Ditto.
2682         * toplev.c: Ditto.
2683         * tree-switch-conversion.c: Ditto.
2684
2685 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
2686
2687         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
2688         introduced by the VTA branch merge.
2689
2690 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
2691
2692         Revert:
2693         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
2694
2695         PR rtl-optimization/39779
2696         * expr.c (convert_modes): Return when mode == oldmode after
2697         CONST_INTs are processed.
2698
2699 2009-09-10  Nick Clifton  <nickc@redhat.com>
2700
2701         * config/mep/mep.c (mep_encode_section_info): Copy weakness
2702         attribute and referring decl when creating renamed symbol.
2703
2704 2009-09-10  Richard Guenther  <rguenther@suse.de>
2705
2706         PR middle-end/41257
2707         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
2708         reachable nodes.
2709         (cgraph_finalize_compilation_unit): Compute reachability
2710         before emitting thunks.  Properly process aliases before
2711         possibly removing unreachable nodes.
2712
2713 2009-09-10  Richard Guenther  <rguenther@suse.de>
2714
2715         PR middle-end/41254
2716         * tree.c (struct free_lang_data_d): Add worklist member.
2717         (find_decls_types_r): Push onto the worklist instead of recursing.
2718         Handle TREE_BINFOs properly.
2719         (find_decls_types): New function wrapped around find_decls_types_r
2720         to process the worklist.
2721         (find_decls_types_in_eh_region): Use it.
2722         (find_decls_types_in_node): Likewise.
2723         (find_decls_types_in_var): Likewise.
2724         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
2725         * tree.h (RECORD_OR_UNION_TYPE_P): New.
2726         (AGGREGATE_TYPE_P): Adjust.
2727
2728 2009-09-09  Jason Merrill  <jason@redhat.com>
2729
2730         * configure.ac: Check glibc version even if we have an in-tree
2731         assembler.
2732
2733 2009-09-09  Anthony Green  <green@moxielogic.com>
2734
2735         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
2736         the constant 0 when appropriate.
2737         * config/moxie/constraints.md: Add constraint O.
2738
2739         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
2740         to pass up to 6 32-bit argument values in registers.
2741         (moxie_function_arg): Ditto.
2742         (moxie_arg_partial_bytes): Ditto.
2743         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
2744         (REG_PARM_STACK_SPACE): Ditto.
2745         (FUNCTION_ARG_REGNO_P): Ditto.
2746
2747         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
2748         instruction to allocate stack space.
2749
2750 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
2751
2752         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
2753         unnecessarily stringent constraints.  Fix address
2754         calculation in the splitters.
2755
2756 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
2757
2758         PR rtl-optimization/39779
2759         * expr.c (convert_modes): Return when mode == oldmode after
2760         CONST_INTs are processed.
2761
2762 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
2763
2764         PR/41315
2765         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
2766         (ix86_expand_prologue): Take frame.padding0 into logic of
2767         to_allocate checks.
2768         (ix86_expand_epilogue): Likewise.
2769
2770 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
2771
2772         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
2773         New variables.
2774         (SHLIB_LINK, SHLIB_INSTALL): Use them.
2775         * config/t-slibgcc-libgcc: New file.
2776         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
2777
2778 2009-09-09  Martin Jambor  <mjambor@suse.cz>
2779
2780         PR tree-optimization/41089
2781         * tree-sra.c (find_var_candidates): Do not consider va_lists in
2782         early SRA.
2783
2784 2009-09-09  Richard Henderson  <rth@redhat.com>
2785
2786         * gimple.h (CASE_GIMPLE_OMP): New.
2787         (is_gimple_omp): Use it.
2788         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
2789         (verify_gimple_debug): Likewise.
2790
2791 2009-09-09  Richard Guenther  <rguenther@suse.de>
2792
2793         PR tree-optimization/41101
2794         * tree-ssa-pre.c (maximal_set): Remove.
2795         (compute_antic_aux): Treat the maximal set as implicitly all ones.
2796         Defer all blocks we didn't visit at least one successor.
2797         (add_to_exp_gen): Do not add to the maximal set.
2798         (make_values_for_phi): Likewise.
2799         (compute_avail): Likewise.
2800         (init_pre): Do not allocate the maximal set.
2801         (execute_pre): Do not dump it.
2802
2803 2009-09-09  Martin Jambor  <mjambor@suse.cz>
2804
2805         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
2806         an SSA_NAME rather than a is_gimple_variable.
2807
2808 2009-09-09  Richard Guenther  <rguenther@suse.de>
2809
2810         PR middle-end/41317
2811         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
2812         code dealing with plain pointer bases.
2813         (maybe_fold_offset_to_reference): Likewise.
2814         (maybe_fold_stmt_addition): Adjust.
2815
2816 2009-09-09  Richard Guenther  <rguenther@suse.de>
2817
2818         * tree.c (free_lang_data_in_type): Do not free the type variant
2819         chains.
2820         (free_lang_data): Merge char_type_node with its properly signed
2821         variant.
2822         (pass_ipa_free): Collect after freeing language specific data.
2823
2824 2009-09-09  Michael Matz  <matz@suse.de>
2825
2826         PR middle-end/41268
2827         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
2828         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
2829         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
2830         to reflect reality.
2831
2832 2009-09-08  DJ Delorie  <dj@redhat.com>
2833
2834         * config/mep/mep.c (conversions[]): Add "ml" pattern.
2835
2836 2009-09-04  Jason Merrill  <jason@redhat.com>
2837
2838         * tree.c (tree_find_value): Remove.
2839         * tree.h: Remove prototype.
2840         * varasm.c (assemble_external): Use value_member instead.
2841
2842 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2843
2844         * toplev.c (process_options): Choose default debugging type when
2845         gtoggle enables debug info and type is unset.
2846
2847 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2848
2849         PR debug/41276
2850         PR debug/41307
2851         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
2852         invalid subreg.
2853
2854 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2855
2856         * configure: Rebuilt with modified libtool.m4.
2857
2858 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2859
2860         PR debug/41229
2861         PR debug/41291
2862         PR debug/41300
2863         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
2864
2865 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2866
2867         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
2868         (remove_statement): Likewise.
2869         (rewrite_use_nonlinear_expr): Adjust.
2870         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
2871         * tree-ssa.c (release_defs_bitset): ... this.  New.
2872         * tree-flow.h (release_defs_bitset): Declare.
2873
2874 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
2875
2876         PR debug/41232
2877         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
2878         in the middle block.
2879
2880 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
2881
2882         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
2883         via intptr_t to long type.
2884         (insert_operand_rank): Cast long type via intptr_t to
2885         pointer type.
2886         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
2887         pointer to scalar.
2888         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
2889         from pointer to unsigned via uintptr_t.
2890
2891         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
2892         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
2893         and HAVE_INTPTR_T.
2894         * configure: Regenerated.
2895         * config.in: Regenerated
2896         * system.h (stdint.h): Add include.
2897         (inttypes.h): Likewise.
2898         * Makefile.in (aclocal): Add config/stdint.m4.
2899         * aclocal.m4: Regenerated.
2900
2901 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2902
2903         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
2904         variables.
2905         (note_np_check_stores): New function.
2906         (harmless_null_pointer_p): New function.
2907         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
2908         changed.  Take into account whether we're in the shadow of a condjump
2909         that tested NP_REG for NULL.
2910         Lose all code that tested for SEQUENCEs.
2911         (workaround_speculation): Avoid inserting NOPs for loads that are
2912         either always executed or a NULL pointer.
2913
2914 2009-09-08  Jan Hubicka  <jh@suse.cz>
2915
2916         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
2917         * params.def (early-inlining-insns): Likewise.
2918
2919 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR rtl-optimization/41239
2922         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
2923         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
2924         lists.
2925         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
2926         across calls, as the calls might not always return normally.
2927         (call_may_noreturn_p): New function.
2928         (deps_analyze_insn): Update last_function_call_may_noreturn list.
2929         (init_deps): Initialize it.
2930         (remove_from_deps): Also remove calls from
2931         last_function_call_may_noreturn list.
2932
2933 2009-09-07  Richard Henderson  <rth@redhat.com>
2934
2935         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
2936         more VR->OPERANDS than LHS operands.  Free LHS before returning.
2937
2938 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2939
2940         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
2941         (attr "addrtype"): New member "spreg".
2942         Use it if mem_spfp_address_operand is true for the address.
2943         (attr "type"): New entry "stall".
2944         (cpu_unit "load"): New.
2945         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
2946         "load".
2947         (insn_reservation "loadsp"): New.
2948         (insn_reservation "load_stall1"): New.
2949         (insn_reservation "load_stall3"): New.
2950         (stall): New insn.
2951         * config/bfin/predicates.md (const1_operand, const3_operand): New.
2952         (mem_p_address_operand): Exclude stack and frame pointer based
2953         addresses.
2954         (mem_spfp_address_operand): New; match them here.
2955         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
2956         (bfin_reorg): Call it if scheduling insns.
2957         (bfin_gen_bundles): Remove dummy insns created by
2958         add_sched_insns_for_speculation.
2959
2960         From Jie Zhang <jie.zhang@analog.com>:
2961         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
2962         bfin_si_revision, bfin_workarounds): Move these ...
2963         * config/bfin/bfin.h: ... here.
2964
2965         From Mike Frysinger  <michael.frysinger@analog.com>
2966         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
2967         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
2968         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
2969         bf547m, bf548m, and bf549m.
2970         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
2971         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
2972         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
2973         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
2974         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
2975         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
2976         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
2977         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
2978         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
2979         bf542m, bf544m, bf547m, bf548m, and bf549m.
2980
2981         From Jie Zhang <jie.zhang@analog.com>:
2982         * config/bfin/predicates.md (p_register_operand): New predicate.
2983         (dp_register_operand): New predicate.
2984         * config/bfin/bfin-protos.h (WA_05000074): Define.
2985         (ENABLE_WA_05000074): Define.
2986         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
2987         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
2988         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
2989         (define_attr addrtype): Allow load/store register to be P register.
2990         (define_attr storereg): New.
2991         (define_cpu_unit anomaly_05000074): New.
2992         (define_insn_reservation dsp32shiftimm): New.
2993         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
2994         (define_insn_reservation loadp): Cannot use slot2.
2995         (define_insn_reservation loadsp): Cannot use slot2.
2996         (define_insn_reservation storep): Cannot use slot2. Does not
2997         apply when working around 05000074.
2998         (define_insn_reservation storep_anomaly_05000074): New.
2999         (define_insn_reservation storei): Does not apply when working
3000         around 05000074.
3001         (define_insn_reservation storei_anomaly_05000074): New.
3002         (define_attr length): Add dsp32shiftimm case.
3003         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
3004         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
3005         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3006         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
3007         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
3008
3009 2009-09-07  Martin Jambor  <mjambor@suse.cz>
3010
3011         PR middle-end/41282
3012         * tree-sra.c (create_artificial_child_access): Return NULL if
3013         build_ref_for_offset fails.
3014         (propagate_subacesses_accross_link): Allow build_ref_for_offset
3015         and create_artificial_child_access to fail.
3016
3017 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3018
3019         PR c++/41214
3020         * unwind-dw2.c (uw_init_context_1): Mark noinline.
3021         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
3022         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
3023
3024 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
3025
3026         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
3027         block, ensure it has an exit edge.  Emit a barrier after a jump.
3028
3029 2009-09-07  Nick Clifton  <nickc@redhat.com>
3030
3031         * gcc.c (this_is_linker_script): New variable.  Like
3032         this_is_library_file but for the %T constructor.
3033         (end_going_arg): If this_is_linker_script is set then locate the
3034         script and insert a --script switch before it
3035         (do_spec_2): Initialise this_is_linker_script.
3036         (do_spec_1): Likewise.  Handle %T construct.
3037         (eval_spec_function): Preserve this_is_linker_script.
3038         * doc/invoke.texi: Document %T construct in spec files.
3039         * config/m32c/m32c.h (LIB_SPEC): Use it.
3040
3041 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3042
3043         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
3044         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
3045         when volatile flag is set.
3046         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
3047
3048 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
3049
3050         PR bootstrap/41241
3051         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
3052         (combine_stack_adjustments_for_block): Allow insns between stack
3053         adjustments and stores with corresponding pre-(dec|inc)rement or
3054         pre-modify operation.
3055
3056 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
3057
3058         PR bootstrap/41241
3059         * combine-stack-adj.c (struct csa_memlist): Rename to...
3060         (struct csa_reflist): ... this.  Rename mem field to ref.
3061         (free_csa_memlist): Rename to...
3062         (free_csa_reflist): ... this.
3063         (record_one_stack_memref): Rename to...
3064         (record_one_stack_ref): ... this.  Handle also REG_P.
3065         (try_apply_stack_adjustment): Handle also REG_P.
3066         (struct record_stack_memrefs_data): Rename to...
3067         (struct record_stack_refs_data): ... this.  Rename memlist field to
3068         reflist.
3069         (record_stack_memrefs): Rename to...
3070         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
3071         subexpressions instead of failing when a MEM contains SP references.
3072         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
3073         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
3074
3075 2009-09-06  Richard Guenther  <rguenther@suse.de>
3076
3077         PR middle-end/41144
3078         * tree.c (build_array_type): Do not record types marked
3079         with structural equality in the canonical type hashtable.
3080
3081 2009-09-06  Richard Guenther  <rguenther@suse.de>
3082
3083         PR middle-end/41261
3084         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
3085
3086 2009-09-05  Richard Guenther  <rguenther@suse.de>
3087
3088         PR middle-end/41181
3089         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
3090
3091 2009-09-05  Richard Guenther  <rguenther@suse.de>
3092
3093         PR debug/41273
3094         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
3095
3096 2009-09-05  Richard Guenther  <rguenther@suse.de>
3097
3098         PR middle-end/41271
3099         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
3100         before comparing function argument types.
3101
3102 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3103
3104         PR target/41024
3105         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
3106         the assembler.
3107
3108 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
3109
3110         Revert:
3111         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
3112
3113         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
3114         locators before emit_insn is called.
3115
3116 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
3117
3118         PR bootstrap/41241
3119         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
3120         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
3121         (reginfo_init): Don't call allocate_reg_info.
3122
3123 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
3124
3125         PR target/41262
3126         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
3127         NONDEBUG_INSN_P instead of INSN_P.
3128
3129 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3130
3131         PR debug/41225
3132         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
3133
3134 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3135
3136         PR target/41252
3137         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
3138         pattern of the split.
3139
3140 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3141
3142         * toplev.c (process_options): Move setter of flag_var_tracking
3143         before other tests that depend on it.  Move down setter of
3144         flag_rename_registers.  Don't enable var-tracking-assignments
3145         by default if selective scheduling is enabled.  Warn if both
3146         are enabled.
3147
3148 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
3149
3150         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
3151         comment.  Use switch statement to catch overlaps between rtx
3152         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
3153         (IS_DECL_CODE): ... here. Remove.
3154         (check_value_is_not_decl): Remove.
3155         (dv_from_decl, dv_from_value): Check after conversion.
3156
3157 2009-09-04  Richard Guenther  <rguenther@suse.de>
3158
3159         PR middle-end/41257
3160         * (cgraph_finalize_compilation_unit): Move finalizing aliases
3161         after emitting tunks.  Move emitting thunks and ctors from ...
3162         (cgraph_optimize): ... here.  Remove redundant
3163         cgraph_analyze_functions.
3164         * varasm.c (find_decl_and_mark_needed): Remove no longer
3165         necessary check.
3166         (finish_aliases_1): Adjust check for thunk aliases.
3167
3168 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
3169
3170         * config/arm/arm.md (ctzsi2): Added braces
3171         to avoid warning that broke booststrap.
3172
3173 2009-09-04  Martin Jambor  <mjambor@suse.cz>
3174
3175         PR tree-optimization/41112
3176         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
3177         handle variable-bounded arrays.
3178         (expr_with_var_bounded_array_refs_p): New function.
3179         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
3180
3181 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
3182
3183         * config/s390/2097.md: Removed two incorrect bypasses.
3184         (z10_fsimpdf): Fixed latency.
3185         (z10_fhex): New insn_reservation.
3186         (z10_floaddf): Fixed latency.
3187         (z10_floadsf): Fixed latency.
3188         (z10_ftrunctf): Fixed latency.
3189         (z10_ftruncdf): Fixed latency.
3190         * config/s390/s390.c (z10_cost): Fixed values.
3191         (s390_adjust_priority): Added z10 path.
3192         * config/s390/s390.md (type): Added fhex.
3193         (*mov<mode>_64dfp): Updated type attribute.
3194         (*mov<mode>_64): Updated type attribute.
3195         (*mov<mode>_31): Updated type attribute.
3196         (*mov<mode>"): Likewise.
3197         * config/s390/2084.md (x_fsimpdf): Updated condition.
3198
3199 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3200
3201         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
3202         RTXs in the predicate for operand 1.
3203
3204 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
3205
3206         * config/arm/arm.md (UNSPEC_RBIT): New constant.
3207         (rbitsi2): New insn.
3208         (ctzsi2): New expand.
3209         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
3210
3211 2009-09-03  Martin Jambor  <mjambor@suse.cz>
3212
3213         * tree-sra.c (duplicate_expr_for_different_base): Removed.
3214         (create_artificial_child_access): Use build_ref_for_offset instead
3215         of duplicate_expr_for_different_base.
3216         (propagate_subacesses_accross_link): Likewise.
3217
3218 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
3219
3220         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
3221         of INSN_P.
3222         (mips16e_collect_argument_saves): Skip debug instructions.
3223         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
3224         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
3225         (r10k_insert_cache_barriers): Likewise.
3226         (mips_reorg_process_insns): Likewise.
3227
3228 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
3229
3230         PR bootstrap/41241
3231         * ira.c (update_equiv_reg): Remove check on class likely spill.
3232
3233 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
3234
3235         PR debug/41236
3236         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
3237         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
3238         it or SUBREG.
3239
3240         PR debug/41238
3241         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
3242         the stack slot if it is passed by invisible reference.
3243         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
3244         by invisible reference.
3245
3246 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
3247
3248         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
3249         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
3250         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
3251         0.
3252         * config/bfin/sync.md: New file.
3253         * config/bfin/bfin.md: Include it.
3254         (UNSPEC_ATOMIC): New.
3255         (UNSPEC_ONES): Provide a unique number.
3256
3257         From Jie Zhang <jie.zhang@analog.com>:
3258         * config/bfin/bfin.c (ret_regs): New.
3259         (must_save_fp_p): Don't return true because of frame_pointer_needed.
3260         (must_save_rets_p): New.
3261         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
3262         current_function_is_leaf.
3263         (do_link): Likewise.
3264         (do_unlink): Likewise.
3265         (expand_interrupt_handler_prologue): Use ret_regs array.
3266         (expand_interrupt_handler_epilogue): Use ret_regs array and
3267         pass return register to gen_return_internal.
3268         (bfin_expand_epilogue): Pass return register to
3269         gen_return_internal.
3270         (bfin_expand_call): Explicitly clobber RETS.
3271         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
3272         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
3273         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
3274         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
3275         RETS.
3276         (return_internal): Take a reg rtx rather than the register number.
3277
3278 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3279
3280         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
3281         when comparing against estimated_loop_iterations_int return.
3282
3283 2009-09-03  Richard Guenther  <rguenther@suse.de>
3284
3285         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
3286         eh_personality_libfunc.
3287
3288 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3289
3290         * tree-parloops.c (separate_decls_in_region): Add space.
3291
3292 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3293
3294         * tree-parloops.c (separate_decls_in_region): Change the condition
3295         checking if there are reductions in the loop.
3296
3297 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
3298
3299         PR tree-optimization/38275
3300         * tree-parloops.c (parallelize_loops): Replace profitability condition
3301         for expected number of iterations.
3302
3303 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
3304
3305         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
3306         (bootstrap-debug): Explain conditions in which it becomes default.
3307         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
3308         make it add to it.
3309
3310 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
3311
3312         * doc/invoke.texi (Optimize Options): Move
3313         -finline-small-functions to the -O2 list.
3314
3315 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
3316
3317         * toplev.c (process_options): Enable var-tracking-assignments
3318         by default if var-tracking is enabled.
3319
3320 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
3321
3322         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
3323         barrier.
3324         * emit-rtl.c (prev_nonnote_insn_bb): New function.
3325         * rtl.h (prev_nonnote_insn_bb): Declare it.
3326
3327 2009-09-03  Diego Novillo  <dnovillo@google.com>
3328
3329         * cgraph.c (cgraph_node_for_decl): New.
3330         * cgraph.h (cgraph_node_for_decl): Declare.
3331         * tree.c (host_integerp): Return 0 if T is NULL.
3332
3333 2009-09-03  Diego Novillo  <dnovillo@google.com>
3334
3335         * tree.h (struct alias_pair): Move from varasm.c.
3336         (alias_pairs): Likewise.
3337         (TYPE_MAXVAL): Define.
3338         (TYPE_MINVAL): Define.
3339         (iterative_hash_host_wide_int): Declare.
3340         (remove_unreachable_alias_pairs): Declare.
3341         * tree-pass.h (pass_ipa_free_lang_data): Declare.
3342         * diagnostic.c (default_diagnostic_starter): Make extern.
3343         (default_diagnostic_finalizer): Make extern.
3344         * diagnostic.h (default_diagnostic_starter): Declare.
3345         (default_diagnostic_finalizer): Declare.
3346         (default_tree_printer): Declare.
3347         * toplev.c (default_tree_printer): Make extern.
3348
3349 2009-09-03  Richard Guenther  <rguenther@suse.de>
3350             Diego Novillo  <dnovillo@google.com>
3351
3352         * cgraph.c (cgraph_add_new_function): Remove gimplification.
3353         * cgraphunit.c (cgraph_expand_function): Do not emit
3354         associated thunks from here.
3355         (cgraph_emit_thunks): New.
3356         (cgraph_optimize): Call it.
3357         Return if any IPA pass finds an error.
3358         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
3359         by thunks.
3360
3361 2009-09-03  Simon Baldwin  <simonb@google.com>
3362             Rafael Espindola  <espindola@google.com>
3363             Richard Guenther  <rguenther@suse.de>
3364             Doug Kwan  <dougkwan@google.com>
3365             Diego Novillo  <dnovillo@google.com>
3366
3367         * tree.c: Include tree-pass.h, langhooks-def.h,
3368         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
3369         (free_lang_data_in_type): New.
3370         (need_assembler_name_p): New.
3371         (free_lang_data_in_block): New.
3372         (free_lang_data_in_decl): New.
3373         (struct free_lang_data_d): New.
3374         (add_tree_to_fld_list): New.
3375         (find_decls_types_r): New.
3376         (get_eh_types_for_runtime): New.
3377         (find_decls_types_in_eh_region): New.
3378         (find_decls_types_in_node): New.
3379         (find_decls_types_in_var): New.
3380         (free_lang_data_in_cgraph): New.
3381         (free_lang_data): New.
3382         (gate_free_lang_data): New.
3383         (pass_ipa_free_lang_data): New.
3384
3385 2009-09-03  Diego Novillo  <dnovillo@google.com>
3386
3387         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
3388         * langhooks.h (struct lang_hooks): Add field free_lang_data.
3389         (lang_hooks): Remove const qualifier.
3390         * ipa.c (cgraph_remove_unreachable_nodes): Call
3391         remove_unreachable_alias_pairs.
3392         * except.c (add_type_for_runtime): Check if TYPE has
3393         already been converted.
3394         (lookup_type_for_runtime): Likewise.
3395         (check_handled): Handle converted types.
3396         * varasm.c (remove_unreachable_alias_pairs): New.
33