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* lib/target-supports.exp (check_effective_target_vect_condition):
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2
3         PR middle-end/51782
4         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
5         according to the base object.
6
7 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
8
9         PR rtl-optimization/50063
10         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
11         and 2 (8-bit SP) in operand 2.
12         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
13         setup to use movhi_sp_r instead of vanilla move to write SP.
14         Adjust REG_CFA notes to superseed unspec.
15         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
16         of vanilla move.
17         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
18         known to be off) only with TARGET_NO_INTERRUPTS. Never use
19         irq_state 1 (IRQ known to be on) here.
20
21 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
22
23         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
24         WORDS_BIG_ENDIAN.
25         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
26         assign_hard_reg): Likewise.
27
28 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
29
30         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
31
32 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
33
34         * config/avr/avr.md
35         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
36         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
37
38 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
39
40         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
41         prototype from here to...
42         * config/avr/avr.h: ...here.
43
44 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
45
46         PR target/52294
47         * thumb2.md (thumb2_shiftsi3_short): Split register and
48         immediate shifts.  For register shifts tie operands 0 and 1.
49         (peephole2 for above): Check that register-controlled shifts
50         have suitably tied operands.
51
52 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
53
54         PR target/52137
55         * config/i386/bdver1.md (bdver1_call, bdver1_push,
56         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
57         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
58         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
59         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
60         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
61         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
62         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
63         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
64         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
65         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
66         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
67         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
68         bdver1_ssevector_avx256_unaligned_load,
69         bdver1_ssevector_sse128_unaligned_load,
70         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
71         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
72         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
73         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
74         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
75         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
76         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
77         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
78         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
79         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
80         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
81         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
82         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
83         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
84         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
85         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
86         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
87         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
88         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
89         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
90         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
91         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
92         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
93         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
94         bdver1_ssediv_double_load, bdver1_ssediv_double,
95         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
96         Add "bdver2" attribute.
97
98 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
99
100         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
101         default if possible and not specified otherwise.
102
103 2012-02-21  Richard Guenther  <rguenther@suse.de>
104
105         PR middle-end/52314
106         * gimplify.c (create_tmp_from_val): Use the main variant type
107         for the type of the temporary we create.
108
109 2012-02-21  Richard Guenther  <rguenther@suse.de>
110
111         PR tree-optimization/52324
112         * gimplify.c (gimplify_expr): When re-gimplifying expressions
113         do not gimplify a MEM_REF address operand if it is already
114         in suitable form.
115
116 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
117
118         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
119         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
120
121 2012-02-21  Richard Guenther  <rguenther@suse.de>
122
123         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
124         nested_in_vect_loop.
125
126 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
127
128         PR tree-optimization/52318
129         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
130         vdef also to non-pure/const call stmts in the sequence.
131
132 2012-02-20  David S. Miller  <davem@davemloft.net>
133
134         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
135         don't use the "rd %pc" instruction on v9 for PIC register loads.
136
137 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
138
139         PR middle-end/52141
140         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
141         in a transaction safe function.
142
143 2012-02-20  Kai Tietz  <ktietz@redhat.com>
144
145         PR target/52238
146         * stor-layout.c (place_field): Handle desired_align for
147         ms-bitfields, too.
148
149 2012-02-20  Richard Guenther  <rguenther@suse.de>
150
151         PR tree-optimization/52298
152         * tree-vect-stmts.c (vectorizable_store): Properly use
153         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
154         outer loops.
155         (vectorizable_load): Likewise.
156         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
157         Access DR_STEP after ensuring it is not NULL.
158
159 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
160
161         PR tree-optimization/52286
162         * fold-const.c (fold_binary_loc): For (X & C1) | C2
163         optimization use double_int_to_tree instead of build_int_cst_wide,
164         rewrite to use double_int vars.
165
166 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
167
168         PR target/50166
169         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
170         Define _start.
171         Remove -e 0 from $gcc_cv_ld invocation.
172         Only use __GLIBC_PREREQ if defined.
173         Enable on Solaris since Solaris 8 patch.
174         (gcc_SUN_LD_VERSION): New macro.
175         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
176         gcc_SUN_LD_VERSION for version number format.
177         * configure: Regenerate.
178         * varasm.c (get_elf_initfini_array_priority_section): Set
179         SECTION_NOTYPE for non-default priority.
180         Use get_section instead of get_unnamed_section to emit
181         .init_array/.fini_array with default priority.
182
183 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
184
185         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
186         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
187         (mips_start_unique_function, mips_output_mips16_rdhwr)
188         (mips_code_end): New functions.
189         (TARGET_ASM_CODE_END): Define.
190
191 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
192
193         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
194         to stubs with non-sibling calls.
195
196 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
197
198         * doc/invoke.texi (-fira-* options): Copy-edit.
199         (ira-* parameters): Copy-edit.
200
201 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
202
203         * doc/invoke.texi: Minor copy-edits to bring into conformance with
204         GCC coding conventions.
205
206 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
207
208         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
209         when used as adjectives.
210
211 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
212
213         * doc/invoke.texi: Clean up "that"/"which" confusion.
214
215 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
216
217         * system.h: Poison SMALL_REGISTER_CLASSES
218         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
219         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
220
221 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
222
223         PR tree-optimization/52285
224         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
225         when deciding if a call is a tail call or tail recursion.
226
227 2012-02-16  Kai Tietz  <ktietz@redhat.com>
228
229         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
230         interger-constant displacement for UNSPEC_PCREL.
231
232 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
233
234         PR rtl-optimization/52208
235         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
236         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
237
238         PR tree-optimization/52255
239         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
240         loop->header has virtual PHI, but exit_e->dest doesn't, add
241         virtual PHI to exit_e->dest and adjust all uses after the loop.
242
243         PR debug/52260
244         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
245         children with clone_tree_hash, not after it.
246
247 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
248
249         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
250         extended identifiers.
251
252 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
253
254         PR middle-end/51929
255         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
256         a same_body_alias, also test whether e->callee isn't a former
257         or current clone of the decl this is a same body alias of.
258
259         PR translation/52264
260         * cgraphunit.c (verify_cgraph_node): Fix a typo.
261
262 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
263
264         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
265
266 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
267
268         PR target/52199
269         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
270         force_reg instead of copy_to_reg for better optimization.  Force
271         non-register or memory operands into a register.
272
273 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
274
275         * extend.texi: Reserve upper bits of memory model for future use.
276
277 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
278             Anatoly Sokolov <aesok@post.ru>
279             Eric Weddington <eric.weddington@atmel.com>
280
281         PR target/52261
282         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
283         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
284         Rewrite initializers for .macro.
285         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
286         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
287         atxmega32d4, atxmega32x1.
288         avrxmega4: atxmega64a3, atxmega64d3.
289         avrxmega5: atxmega64a1, atxmega64a1u.
290         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
291         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
292         avrxmega7: atxmega128a1, atxmega128a1u.
293         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
294         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
295         (struct base_arch_s): Rename reserved to xmega_p.
296         Rename reserved2 to have_rampd.
297         (AVR_XMEGA): New define.
298         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
299         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
300         * config/avr/predicates.md (io_address_operand): Take into
301         account SFR offset.
302         (low_io_address_operand): Ditto.
303         (high_io_address_operand): Ditto.
304         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
305         (enabled, movhi_sp_r): Use them.
306         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
307         cpp_define_formatted to built-in define __AVR_ARCH__.
308         (__AVR_XMEGA__): New built-in define.
309         (__AVR_HAVE_RAMPD__): New built-in define.
310         (__AVR_HAVE_RAMPX__): New built-in define.
311         (__AVR_HAVE_RAMPY__): New built-in define.
312         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
313
314         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
315         (avr_option_override): Initialize them.
316         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
317         (avr_init_expanders): Initialize them. No more block several calls.
318         (emit_push_sfr): New static function.
319         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
320         Handle AVR_XMEGA.
321         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
322         (avr_print_operand): Print addreeses as symbols for
323         RAMPX, RAMPY, RAMPD, CCP.
324         (output_movhi): Handle AVR_XMEGA when writing to SP.
325         (avr_out_movhi_mr_r_xmega): New static function.
326         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
327         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
328         __RAMPD__,  __CCP__ as needed.
329
330         * config/avr/multilib.h: Regenerate.
331         * config/avr/t-multilib: Regenerate.
332         * config/avr/avr-tables.opt: Regenerate.
333
334 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
335
336         PR tree-optimization/50561
337         * graphite-flattening.c (lst_project_loop): Do not
338         remove old scattering dimensions after flattening.
339         (lst_do_flatten): Likewise.
340
341 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
342
343         * doc/extend.texi (AVR Built-in Functions): Remove doc for
344         __builtin_avr_map8, __builtin_avr_map16.
345         Document __builtin_avr_insert_bits.
346
347         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
348         (insert_bits): New insn.
349         (adjust_len.map_bits): Rename to insert_bits.
350         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
351         * avr-protos.h (avr_out_map_bits): Remove.
352         (avr_out_insert_bits, avr_has_nibble_0xf): New.
353         * config/avr/constraints.md (Cxf,C0f): New.
354         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
355         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
356         New built-in define __BUILTIN_AVR_INSERT_BITS.
357         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
358         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
359         (avr_move_bits): Rewrite.
360         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
361         functions.
362         (avr_map_op_t): New typedef.
363         (avr_map_op): New static variable.
364         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
365         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
366         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
367         (bdesc_3arg, avr_expand_triop_builtin): New.
368         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
369         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
370         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
371         (avr_map_equal_p, avr_map_sig_p): Remove.
372         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
373         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
374         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
375         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
376         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
377         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
378
379 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
380
381         * config/c6x/c6x.md (reserve_cycles): New attribute.
382         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
383         don't reserve functional units after the branch occurs.
384
385 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
386
387         PR middle-end/52142
388         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
389         functions into non-tm_pure functions.
390
391 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
392
393         PR lto/52178
394         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
395         (iterative_hash_canonical_type): Likewise.
396         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
397         the dead edges.
398
399 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
400
401         * haifa-sched.c (prune_ready_list): Ensure that if there is a
402         sched-group insn, it either remains alone or the entire list is
403         pruned.
404
405 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
406
407         * doc/install.texi (Prerequisites): Fix grammar.
408         (Configuration): Likewise.
409
410 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
411
412         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
413         MPC as part of GCC before describing configuring with --with-gmp etc.
414         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
415         sources are present.
416
417 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
418
419         PR debug/51950
420         * dwarf2out.c (clone_tree_hash): New function.
421         (copy_decls_walk): Use it instead of clone_tree.
422
423 2012-02-14  Richard Guenther  <rguenther@suse.de>
424
425         PR tree-optimization/52244
426         PR tree-optimization/51528
427         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
428         replacements for integral types.
429
430 2012-02-14  Walter Lee  <walt@tilera.com>
431
432         * config.gcc: Handle tilegx and tilepro.
433         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
434         tilegx and tilepro.
435         Add HAVE_AS_TLS check for tilegx and tilepro.
436         * configure: Regenerate.
437         * doc/contrib.texi: Add Mat Hostetter and self.
438         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
439         Document instruction intrinsics and network accessing intrinsics.
440         (TILEPro Built-in Functions): New node.  Document instruction
441         intrinsics and network accessing intrinsics.
442         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
443         (Specific, tilepro-*-linux*): Likewise.
444         * doc/invoke.texi (TILE-Gx Options): New section.
445         (TILEPro Options): New section.
446         * doc/md.texi (TILE-Gx): New section.
447         (TILEPro): New section.
448         * common/config/tilegx/tilegx-common.c: New file.
449         * common/config/tilepro/tilepro-common.c: New file.
450         * config/tilegx/constraints.md: New file.
451         * config/tilegx/linux.h: New file.
452         * config/tilegx/mul-tables.c: New file.
453         * config/tilegx/predicates.md: New file.
454         * config/tilegx/sync.md: New file.
455         * config/tilegx/t-tilegx: New file.
456         * config/tilegx/tilegx-builtins.h: New file.
457         * config/tilegx/tilegx-c.c: New file.
458         * config/tilegx/tilegx-generic.md: New file.
459         * config/tilegx/tilegx-modes.def: New file.
460         * config/tilegx/tilegx-multiply.h: New file.
461         * config/tilegx/tilegx-protos.h: New file.
462         * config/tilegx/tilegx.c: New file.
463         * config/tilegx/tilegx.h: New file.
464         * config/tilegx/tilegx.md: New file.
465         * config/tilegx/tilegx.opt: New file.
466         * config/tilepro/constraints.md: New file.
467         * config/tilepro/gen-mul-tables.cc: New file.
468         * config/tilepro/linux.h: New file.
469         * config/tilepro/mul-tables.c: New file.
470         * config/tilepro/predicates.md: New file.
471         * config/tilepro/t-tilepro: New file.
472         * config/tilepro/tilepro-builtins.h: New file.
473         * config/tilepro/tilepro-c.c: New file.
474         * config/tilepro/tilepro-generic.md: New file.
475         * config/tilepro/tilepro-modes.def: New file.
476         * config/tilepro/tilepro-multiply.h: New file.
477         * config/tilepro/tilepro-protos.h: New file.
478         * config/tilepro/tilepro.c: New file.
479         * config/tilepro/tilepro.h: New file.
480         * config/tilepro/tilepro.md: New file.
481         * config/tilepro/tilepro.opt: New file.
482
483 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
484
485         PR tree-optimization/52210
486         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
487         vect_model_simple_cost with two entry vect_def_type array instead
488         of an address of dt.
489
490 2012-02-14  Richard Guenther  <rguenther@suse.de>
491
492         PR lto/52178
493         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
494         Do not stream DECL_QUALIFIER.
495         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
496         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
497         (find_decls_types_r): Do not walk DECL_QUALIFIER.
498
499 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
500
501         PR c/52181
502         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
503         newdecl.
504
505 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
506
507         PR bootstrap/52172
508         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
509         * cselib.c (cselib_subst_to_values_from_insn): New function.
510         * sched-deps.c (add_insn_mem_dependence,
511         sched_analyze_1, sched_analyze_2): Use it.
512
513 2012-02-13  Jan Hubicka  <jh@suse.cz>
514
515         PR middle-end/52214
516         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
517
518 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
519
520         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
521         (GTM_SELF_SPECS): Define if not already defined.
522         (driver_self_specs): Add GTM_SELF_SPECS.
523         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
524         (GTM_SELF_SPECS): Define.
525         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
526         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
527
528 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
529
530         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
531         away if seen.
532
533         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
534         non-NULL.
535
536         PR middle-end/52230
537         * omp-low.c (expand_omp_for): If a static schedule without
538         chunk size has NULL region->cont, force fd.chunk_size to be
539         integer_zero_node.
540
541 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
542
543         PR c/52190
544         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
545
546 2012-02-13  Richard Guenther  <rguenther@suse.de>
547
548         PR translation/52211
549         * passes.c (enable_disable_pass): Fix typo.
550
551 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
552
553         PR middle-end/52209
554         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
555         XOR for reduce_bit_field if type is unsigned.
556
557 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
558
559         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
560         disallow changes from SFmode to mode with different size in FP regs.
561
562 2012-02-12  Robert Millan  <rmh@gnu.org>
563             Gerald Pfeifer <gerald@pfeifer.com>
564
565         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
566         Tweak comment.
567
568 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
569
570         PR rtl-optimization/52175
571         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
572         to frame-related instructions.
573
574 2012-02-10  Jason Merrill  <jason@redhat.com>
575
576         PR c++/51910
577         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
578         (demangle_new_symbols): Fill it.
579         (scan_linker_output): Walk it.
580         (start_tweaking): Split out from scan_linker_output.
581         (maybe_tweak): Update sym->chosen.
582         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
583
584 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
585
586         PR debug/52132
587         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
588         get_true_reg.
589
590 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
591
592         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
593         having the same mode as previous compare.
594
595 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
596
597         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
598         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
599         (nonlocal_goto_internal): Likewise.
600         (nonlocal_goto): Emit a use and an indirect jump directly.
601
602 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
603
604         PR c/52190
605         * doc/extend.texi : Update comments for __atomic_compare_exchange and
606         __atomic_{is,always}_lock_free.
607
608 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
609
610         PR target/52146
611         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
612         negative constant address for x32.
613
614 2012-02-10  Richard Henderson  <rth@redhat.com>
615
616         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
617         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
618         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
619
620 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
621             Ira Rosen  <irar@il.ibm.com>
622
623         PR tree-optimization/50031
624         * targhooks.c (default_builtin_vectorization_cost): Handle
625         vec_promote_demote.
626         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
627         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
628         all types of reduction and pattern statements.
629         (vect_estimate_min_profitable_iters): Likewise.
630         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
631         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
632         for explicit realigns.
633         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
634         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
635         vec_promote_demote.
636         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
637         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
638         vec_perm for VSX and handle vec_promote_demote.
639
640 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
641
642         PR middle-end/52177
643         * builtins.c (fold_builtin_atomic_always_lock_free,
644         expand_builtin_atomic_always_lock_free,
645         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
646         Return and/or test boolean_true_node/boolean_false_node instead of
647         integer_one_node/integer_zero_node.
648
649 2012-02-10  Jan Hubicka  <jh@suse.cz>
650
651         PR middle-end/48600
652         * predict.c (predict_paths_for_bb): Prevent looping.
653         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
654
655 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
656
657         * config/arm/arm.c (output_move_double): In one case properly
658         count number of instructions that will be emitted.
659
660 2012-02-10  Richard Guenther  <rguenther@suse.de>
661
662         PR translation/52193
663         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
664
665 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
666
667         PR middle-end/52140
668         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
669
670 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
671
672         PR debug/52165
673         * var-tracking.c (emit_note_insn_var_location): If
674         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
675         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
676         non-NOTE_DURING_CALL_P insn.
677
678 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
679
680         PR middle-end/51867
681         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
682
683 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
684
685         PR driver/48524
686         * gcc.c (switch_matches) Support switches with separated form,
687         -D and -U.
688
689 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
690
691         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
692         (SP_ADDR): Ditto.
693         (RAMPZ_ADDR): Ditto.
694         * config/avr/avr.c (avr_addr_t): New typedef.
695         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
696         (avr_init_expanders): Initialize it.
697         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
698         SREG_ADDR.
699         (expand_epilogue): Ditto.
700         (avr_print_operand): Ditto.
701         (avr_file_start): Ditto.
702         (avr_emit_movmemhi): Ditto.
703
704 2012-02-08  Richard Guenther  <rguenther@suse.de>
705
706         PR tree-optimization/46886
707         * tree-flow.h (do_while_loop_p): Declare.
708         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
709         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
710
711 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
712
713         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
714         always succeed for integers larger than a native word.
715
716 2012-02-08  Richard Guenther  <rguenther@suse.de>
717
718         PR rtl-optimization/52170
719         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
720         properly handle integer vector modes.
721
722 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
723
724         PR gcov-profile/52150
725         * coverage.c: Include target.h.
726         (build_var): Call targetm.strip_name_encoding on the assembler name.
727         Change one _ into . or $ if the target allows it.
728         * Makefile.in (coverage.o): Depend on $(TARGET_H).
729
730         PR rtl-optimization/52139
731         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
732         is a BARRIER after emit_insn_after_noloc, move BB_END
733         to the last non-BARRIER insn before it.
734
735 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
736
737         PR middle-end/24306
738         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
739         (mips_gimplify_va_arg_expr): Call it instead of
740         std_gimplify_va_arg_expr.
741
742 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
743
744         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
745         message for -mno-pointers-to-nested-function.
746
747 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
748
749         PR middle-end/51994
750         * expr.c (get_inner_reference): If there is an offset, add a negative
751         bit position to it (if any).
752
753 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
754
755         PR rtl-optimization/52060
756         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
757         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
758         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
759         and/or i0src_copy2 when needed.
760
761 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
762
763         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
764         or LTOPLUGINSONAME if have_c.
765
766         * config/freebsd-spec.h: Add comment about what macros can be defined
767         in this header.
768         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
769         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
770         here instead.
771
772 2012-02-07  Richard Guenther  <rguenther@suse.de>
773
774         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
775         newline in -alias dumps.
776
777 2012-02-07  Kai Tietz  <ktietz@redhat.com>
778             Dave Korn  <dave.korn.cygwin@gmail.com>
779
780         PR target/40068
781         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
782         Take care that typinfo gets dllexport-attribute.
783
784 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
785
786         PR middle-end/52074
787         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
788         if modifier < EXPAND_SUM call force_operand on the result.
789
790 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
791
792         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
793         adding __forwarder_dst__ prefix if a forwarder_section attribute is
794         present.
795         (epiphany_function_type): Replace types for specific interrupts with
796         EPIPHANY_FUNCTION_INTERRUPT.
797         (EPIPHANY_INTERRUPT_P): Update.
798         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
799         New static function.
800         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
801         <disinterrupt>: Affects type identity.
802         (epiphany_handle_interrupt_attribute): Handle variable number of
803         arguments.
804         (epiphany_compute_function_type): Update for new
805         epiphany_function_type definition.
806         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
807         handlers with a longcall forwarder.
808         (epiphany_start_function): Handle multiple interrupt arguments and/or
809         forwarder_section attribute.
810
811         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
812         libgloss.
813
814 2012-02-07  Alan Modra  <amodra@gmail.com>
815
816         PR target/52107
817         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
818         subregs of TFmode.
819
820 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
821
822         PR tree-optimization/50969
823         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
824         use vec_perm rather than vector_stmt.
825         (vect_model_load_cost): Likewise.
826         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
827         vec_perm to be the same as other vector statements.
828         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
829         cost of vec_perm for TARGET_VSX.
830
831 2012-02-06  Richard Guenther  <rguenther@suse.de>
832
833         PR tree-optimization/52115
834         * tree-sra.c (access_has_replacements_p): New function.
835         (sra_modify_assign): Use it to decide whether a use is uninitialized.
836
837 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
838
839         PR middle-end/52047
840         * trans-mem.c (expand_call_tm): Add an assertion.
841         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
842         functions.
843
844 2012-02-06  Richard Guenther  <rguenther@suse.de>
845
846         PR tree-optimization/50955
847         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
848         raise cost of expressions that replace an address with an
849         expression based on a different pointer.
850
851 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
852
853         PR target/52129
854         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
855         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
856
857 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
858
859         PR c++/48680
860         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
861         -Weffc++ and specify guidelines come from second edition.
862
863 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
864
865         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
866         (sibcall_value_multiple_internal, call_split, call_internal_direct)
867         (call_direct_split, call_value_split, call_value_internal_direct)
868         (call_value_direct_split, call_value_multiple_split): Use jal and
869         jal_macro attributes.
870
871 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
872
873         * reload1.c (reload_regs_reach_end_p): Replace with...
874         (reload_reg_rtx_reaches_end_p): ...this function.
875         (new_spill_reg_store): Update commentary.
876         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
877         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
878         before setting new_spill_reg_store.
879         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
880         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
881         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
882         for non-spill reload registers.
883
884 2012-02-05  Ira Rosen  <irar@il.ibm.com>
885
886         PR tree-optimization/52091
887         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
888         (vect_is_simple_use_1): Likewise.
889         * tree-vect-loop.c (vectorizable_reduction): Update calls
890         to vect_is_simple_use_1 and vect_is_simple_use.
891         (vectorizable_live_operation): Likewise.
892         * tree-vect-patterns.c (widened_name_p,
893         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
894         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
895         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
896         vectorizable_shift,vectorizable_operation, vectorizable_store,
897         vectorizable_load): Likewise.
898         (vect_is_simple_cond): Add an argument, pass it to
899         vect_is_simple_use_1.
900         (vectorizable_condition): Update calls to vect_is_simple_cond,
901         vect_is_simple_use.
902         (vect_is_simple_use): Add an argument, the statement in which
903         OPERAND is used.  Check that if OPERAND's def stmt is a double
904         reduction phi node, the use is a phi node too.
905         (vect_is_simple_use_1): Add an argument, pass it to
906         vect_is_simple_use.
907         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
908         to vect_is_simple_use.
909
910 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
911
912         PR rtl-optimization/52095
913         * modulo-sched.c (dump_insn_locator): New function.
914         (loop_canon_p, sms_schedule): Use it.
915
916         PR rtl-optimization/52113
917         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
918         even for decomposable shift/zext insns.
919
920 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
921             Zdenek Dvorak  <ook@ucw.cz>
922
923         PR rtl-optimization/52092
924         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
925         on get_iv_value result.
926
927 2012-02-02  Andrew Pinski  <apinski@cavium.com>
928
929         PR middle-end/47982
930         PR middle-end/43967
931         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
932
933 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
934
935         PR middle-end/48071
936         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
937
938 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
939
940         PR rtl-optimization/49800
941         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
942         (sched_finish): Call regstat_free_n_sets_and_refs.
943
944 2012-02-02  Jia Liu  <proljc@gmail.com>
945
946         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
947         than operand 2.
948
949 2012-02-02 Jan Hubicka  <jh@suse.cz>
950            Tom de Vries  <tom@codesourcery.com>
951
952         PR middle-end/51998
953         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
954         * varpool.c (varpool_analyze_pending_decls): Likewise.
955
956 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
957             Jayant R Sonar <jayant.sonar@kpitcummins.com>
958
959         * config.gcc: Add cr16-* support.
960
961         * doc/extend.texi: Document cr16 extensions.
962         * doc/install.texi: Document cr16 install.
963         * doc/invoke.texi: Document cr16 options.
964         * doc/md.texi: Document cr16 constraints.
965
966         * common/config/cr16/cr16-common.c: New file.
967         * config/cr16/cr16.c: New file.
968         * config/cr16/cr16.h: New file.
969         * config/cr16/cr16.md: New file.
970         * config/cr16/cr16.opt: New file.
971         * config/cr16/cr16-protos.h: New file.
972         * config/cr16/predicates.md: New file.
973         * config/cr16/constraints.md: New file.
974         * config/cr16/t-cr16: New file.
975
976 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
977
978         PR target/52086
979         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
980         that operands[2] is either immediate, or q_regs_operand.
981
982         PR tree-optimization/52073
983         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
984         a pattern stmt for pattern uses, ignore uses outside of the loop.
985
986 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
987
988         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
989         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
990         (OUT_AS1, OUT_AS2): Remove.
991
992 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
993
994         PR rtl-optimization/51374
995         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
996         to cross other volatile_refs_p insns.
997
998 2012-02-01  Richard Guenther  <rguenther@suse.de>
999
1000         * doc/invoke.texi (fno-inline): Clarify documentation.
1001         (finline-small-functions): Likewise.
1002         (finline-functions): Likewise.
1003         * common.opt (finline): Adjust comment and documentation.
1004         (finline-small-functions): Clarify documentation.
1005         (finline-functions): Likewise.
1006         (finline-functions-called-once): Likewise.
1007
1008 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1009
1010         * c-typeck.c (composite_type): Keep mode for pointers.
1011
1012 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1013
1014         * function.h (regno_reg_rtx): Adjust comment.
1015         * reginfo.c (init_reg_modes_target): Only use the previous mode
1016         if it fits within one register.  Remove MIPS comment.
1017
1018 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR bootstrap/52058
1021         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1022
1023 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1024
1025         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1026         to srak instruction.
1027
1028 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1029
1030         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1031
1032 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1033
1034         PR bootstrap/52041
1035         PR bootstrap/52039
1036         PR target/51974
1037         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1038
1039 2012-01-31  Richard Guenther  <rguenther@suse.de>
1040
1041         PR tree-optimization/51528
1042         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1043         assigns.
1044
1045 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1046
1047         PR bootstrap/52041
1048         PR bootstrap/52039
1049         PR target/51974
1050         * ree.c (add_removable_extension): Change def_map argument
1051         to unsigned *, store in def_map 1 + offset into *insn_list vector
1052         instead of pointers into the vector.
1053         (find_removable_extensions): Adjust caller.
1054
1055 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1056
1057         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1058         Transform all "* quoted-c-code" to { c-code }.
1059         Remove redundant test for "optimize" in combine patterns.
1060         Move (include "avr-dimode.md") to end of file.
1061
1062 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1063
1064         PR target/51835
1065         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1066         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1067
1068 2012-01-30  Richard Guenther  <rguenther@suse.de>
1069
1070         PR tree-optimization/52028
1071         * tree-loop-distribution.c (ldist_gen): Properly update
1072         virtual SSA form.
1073
1074 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1075
1076         PR debug/52027
1077         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1078         set_cur_line_info_table if not emitting debug info.
1079
1080         PR tree-optimization/52046
1081         * tree-vect-patterns.c (check_bool_pattern): Give up if
1082         a comparison could throw.
1083
1084         PR debug/52048
1085         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1086
1087 2012-01-30  Richard Guenther  <rguenther@suse.de>
1088
1089         PR tree-optimization/52045
1090         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1091         SSA form if cfgcleanup did anything.
1092
1093 2012-01-30  Richard Guenther  <rguenther@suse.de>
1094
1095         PR tree-optimization/52045
1096         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1097         before computing final todo.
1098
1099 2012-01-30  Richard Guenther  <rguenther@suse.de>
1100
1101         PR tree-optimization/51528
1102         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1103         for PR51528 fix.
1104
1105 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1106
1107         * df-problems.c (df_kill_notes): Check that the use refers
1108         to the note under examination.
1109
1110 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1111
1112         PR target/51920
1113         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1114         parameter and use short-lived pseudos.
1115         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1116         (sparc_expand_vector_init): Const-ify local variables and adjust
1117         calls to above functions.
1118
1119 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1120
1121         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1122
1123 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1124
1125         * doc/invoke.texi: Make usage of "compile time" and
1126         "run time"/"runtime" consistent throughout the file.
1127
1128 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1129
1130         * config/alpha/alpha.c (alpha_option_override): Default to
1131         full IEEE compliance mode for Go language.
1132
1133 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1134
1135         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1136         (LINK_SSP_SPEC): Define.
1137
1138 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1139
1140         PR target/51871
1141         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1142         stubs.
1143
1144 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1145
1146         * doc/invoke.texi: Correct hyphenation of "floating point",
1147         "double precision", and related terminology throughout the file.
1148
1149 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1150
1151         PR target/52006
1152         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1153         arm_general_register_operand predicate for operand 2 instead of
1154         register_operand.
1155
1156 2012-01-27  Ian Lance Taylor  <iant@google.com>
1157
1158         PR go/47656
1159         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1160         * builtins.c (expand_builtin_init_trampoline): Add onstack
1161         parameter.  Change caller.
1162         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1163         * tree.c (build_common_builtin_nodes): Declare
1164         __builtin_init_heap_trampoline.
1165
1166 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1167
1168         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1169         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1170         * config/avr/avr.c: Ditto.
1171         (avr_regnames): Remove because unused.
1172         * config/avr/avr.md (*cpse.ne): New peephole.
1173         (*cpse.eq): New peephole from former cpse peepholes.
1174
1175 2012-01-27  Michael Eager  <eager@eagercon.com>
1176
1177         * config/microblaze.c (microblaze_emit_compare): Correct
1178         test after pcmp instruction.
1179
1180 2012-01-27  Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/52020
1183         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1184
1185 2012-01-27  Richard Guenther  <rguenther@suse.de>
1186
1187         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1188         function non-const/pure.
1189
1190 2012-01-27  Richard Guenther  <rguenther@suse.de>
1191
1192         PR tree-optimization/50444
1193         * tree-sra.c (build_ref_for_offset): Properly adjust the
1194         MEM_REF type for unaligned accesses.
1195
1196 2012-01-27  Richard Guenther  <rguenther@suse.de>
1197
1198         PR tree-optimization/50444
1199         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1200         (expand_assignment): Use it.  Properly handle misaligned
1201         bases when expanding stores to component references.
1202         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1203         refactor that case.
1204
1205 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1206
1207         PR middle-end/51389
1208         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1209         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1210         * tree-data-ref.c (find_data_references_in_loop): Make static.
1211         (compute_all_dependences): Change return type to bool.  Bail out
1212         for too many datarefs in a loop.  Move the hunk resetting the data
1213         dependences vector from ...
1214         (compute_data_dependences_for_loop): ... here.  Account for
1215         compute_all_dependences returning false.
1216         (compute_data_dependences_for_bb): Likewise.
1217         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1218         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1219
1220 2012-01-27  Richard Guenther  <rguenther@suse.de>
1221
1222         PR middle-end/51959
1223         * expr.c (store_field): Use the alias-set of the scratch memory
1224         for storing to it.
1225
1226 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1227
1228         PR tree-optimization/51990
1229         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1230         WITH_SIZE_EXPR.
1231         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1232
1233 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1234
1235         PR debug/52001
1236         * var-tracking.c (reverse_op): Don't add any reverse operation
1237         if V already has any constant locations.
1238
1239 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1240
1241         * doc/invoke.texi: Correct usage of "command line" (noun)
1242         vs "command-line" (adjective) throughout.
1243
1244 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1245
1246         * doc/invoke.texi (Language Independent Options): Move
1247         -Wcoverage-mismatch blurb from here....
1248         (Warning Options): ...to here.
1249
1250 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1251
1252         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1253         Set rs6000_always_hint to false for 476.
1254
1255 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1256
1257         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1258           system root.
1259         * incpath.c (add_standard_paths): Likewise.
1260
1261 2012-01-27  Richard Henderson  <rth@redhat.com>
1262
1263         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1264         * config/m68k/sync.md (atomic_test_and_set): Rename from
1265         sync_test_and_setqi and adjust the operands.
1266         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1267         and unconditionally enable.
1268
1269 2012-01-27  Richard Henderson  <rth@redhat.com>
1270
1271         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1272         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1273         (ldstub): Rename from ldstubqi.
1274         (ldstub<I24MODE>): Remove.
1275
1276 2012-01-27  Richard Henderson  <rth@redhat.com>
1277
1278         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1279         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1280         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1281         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1282         * doc/tm.texi: Rebuild.
1283
1284 2012-01-27  Richard Henderson  <rth@redhat.com>
1285
1286         * optabs.c (gen_atomic_test_and_set): Remove default.
1287         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1288
1289 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR rtl-optimization/51978
1292         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1293         (combine_reaching_defs): Likewise.
1294         (struct re_info): Remove.
1295         (add_removable_extension): Remove x and data arguments,
1296         add insn, insn_list and def_map.  Use the arguments directly
1297         instead of using struct re_info.
1298         (find_removable_extensions): Don't call add_removable_extension
1299         through note_stores, instead just call it with single_set
1300         result if non-NULL.
1301         (find_and_remove_re): Pass curr_cand->expr instead of
1302         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1303
1304 2012-01-26  Michael Matz  <matz@suse.de>
1305
1306         PR tree-optimization/46590
1307         * cfgexpand.c: Revert last change (r183305).
1308         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1309         regs.
1310         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1311         checking for emptiness.
1312
1313 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1314
1315         PR middle-end/51895
1316         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1317         non-addressable non-BLKmode base correctly.
1318
1319 2012-01-26  Michael Matz  <matz@suse.de>
1320
1321         PR tree-optimization/48794
1322         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1323         regions referenced from RESX/EH_DISPATCH.
1324
1325 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1326
1327         * config/s390/s390.h: Make BRANCH_COST an option.
1328         * config/s390/s390.opt: New option -mbranch-cost.
1329
1330 2012-01-26  Richard Henderson  <rth@redhat.com>
1331
1332         Revert 2012-01-24 change:
1333         * trans-mem.c (requires_barrier): Do not instrument thread local
1334         variables and emit save/restore for them.
1335
1336 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR middle-end/51986
1339         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1340         for pat == 0.
1341
1342 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1343
1344         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1345         ASM_OPERANDS.
1346
1347 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1348
1349         PR target/49868
1350         Rename __pgm to __flash.
1351         Rename __pgm1 to __flash1.
1352         Rename __pgm2 to __flash2.
1353         Rename __pgm3 to __flash3.
1354         Rename __pgm4 to __flash4.
1355         Rename __pgm5 to __flash5.
1356         Rename __pgmx to __memx.
1357         * doc/extend.texi (AVR Named Address Spaces)
1358         Rename address space names as indicated above.
1359         * config/avr/avr.c (avr_addrspace): Ditto.
1360
1361         * config/avr/avr-protos.h
1362         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1363         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1364         * config/avr/predicates.md: Ditto.
1365         * config/avr/avr.c Ditto, and
1366         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1367         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1368
1369         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1370         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1371         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1372         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1373         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1374         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1375         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1376         * config/avr/avr.c: Ditto.
1377         * config/avr/avr.md: Ditto.
1378
1379 2012-01-25  Jason Merrill  <jason@redhat.com>
1380
1381         PR c++/51992
1382         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1383
1384 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR tree-optimization/51987
1387         * tree-data-ref.c (get_references_in_stmt): Handle references in
1388         non-volatile GIMPLE_ASM.
1389
1390 2012-01-25  Richard Guenther  <rguenther@suse.de>
1391
1392         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1393         bases are dereferenced.
1394
1395 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1396
1397         PR rtl-optimization/48374
1398         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1399
1400 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1401
1402         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1403         compute_data_dependences_for_loop returns false.
1404         * tree-parloops.c (loop_parallel_p): Likewise.
1405
1406 2012-01-25  Richard Guenther  <rguenther@suse.de>
1407
1408         * tree.h (get_pointer_alignment_1): Declare.
1409         * builtins.c (get_pointer_alignment_1): New function.
1410         (get_pointer_alignment): Use it.
1411
1412 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1413
1414         PR rtl-optimization/48308
1415         * combine.c (enum undo_kind): Add UNDO_LINKS.
1416         (struct undo): Add member l to other_contents and where.
1417         (do_SUBST_LINK): New.
1418         (SUBST_LINK): New.
1419         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1420         (undo_all): Handle UNDO_LINKS.
1421
1422 2012-01-25  Richard Henderson  <rth@redhat.com>
1423
1424         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1425         mem inputs.
1426
1427 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1428
1429         * optabs.c (gen_atomic_test_and_set): Use each argument.
1430
1431 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1432
1433         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1434         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1435         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1436         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1437         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1438         TARGET_PAIRED_SINGLE_FLOAT.
1439
1440 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1441
1442         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1443         (in_struct, return_val): Remove MEM documentation.
1444         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1445         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1446         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1447         and MEM_SCALAR.
1448         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1449         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1450         * expr.c (store_field): Likewise.
1451         * function.c (assign_stack_temp_for_type): Likewise.
1452         * ifcvt.c (noce_try_cmove_arith): Likewise.
1453         * reload1.c (reload): Likewise.
1454         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1455         (alpha_set_memflags): Likewise.
1456         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1457
1458 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1459
1460         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1461         parameter.
1462         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1463         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1464         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1465         varies parameter.
1466         * cselib.c (cselib_rtx_varies_p): Delete.
1467         (cselib_invalidate_mem): Update call to canon_true_dependence.
1468         * dse.c (record_store, check_mem_read_rtx): Likewise.
1469         (scan_reads_nospill): Likewise.
1470         * cse.c (check_dependence): Likewise.
1471         (cse_rtx_varies_p): Delete.
1472         * expr.c (safe_from_p): Update call to true_dependence.
1473         * ira.c (validate_equiv_mem_from_store): Likewise.
1474         (memref_referenced_p): Likewise.
1475         * postreload-gcse.c (find_mem_conflicts): Likewise.
1476         * sched-deps.c (sched_analyze_2): Likewise.
1477         * store-motion.c (load_kills_store): Likewise.
1478         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1479         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1480         (compute_transp): Update call to canon_true_dependence.
1481
1482 2012-01-25  Richard Henderson  <rth@redhat.com>
1483
1484         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1485         (maybe_emit_atomic_test_and_set): New.
1486         (expand_sync_lock_test_and_set): Use it.
1487         (expand_atomic_test_and_set): Likewise.
1488         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1489         the implementation; clarify implementation defined details.
1490         * doc/md.texi (atomic_test_and_set): Document.
1491
1492 2012-01-25  Richard Henderson  <rth@redhat.com>
1493
1494         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1495
1496 2012-01-25  Richard Henderson  <rth@redhat.com>
1497
1498         PR target/51968
1499         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1500         to effect no-op split.
1501
1502 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1503
1504         PR lto/51698
1505         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1506         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1507         (BT_FN_VOID_PTR_INT_SIZE): New.
1508         (BT_FN_UINT_UINT_VAR): Remove.
1509         (BT_FN_UINT32_UINT32_VAR): New.
1510         (BT_FN_DOUBLE_VPTR): Remove.
1511         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1512
1513         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1514         (_ITM_changeTransactionMode): Same.
1515         (_ITM_memmoveRtWt): Change return type to void.
1516         (_ITM_memcpyRtWt): Same.
1517         (_ITM_memsetW): Same.
1518         (_ITM_RaRD): Change types to double.
1519         (_ITM_RD): Same.
1520         (_ITM_RaWD): Same.
1521         (_ITM_RfWD): Same.
1522
1523         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1524
1525 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1526             Patrick Marlier  <patrick.marlier@gmail.com>
1527
1528         * trans-mem.c (requires_barrier): Do not instrument thread local
1529         variables and emit save/restore for them.
1530
1531 2012-01-24  Jason Merrill  <jason@redhat.com>
1532
1533         PR c++/51812
1534         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1535         output static aliases.
1536
1537 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1538
1539         PR driver/47249
1540         * common.opt (-pie, -shared, pie, shared): Change from Common to
1541         Driver.
1542         * gcc.c (display_help): Display help for -pie and -shared.
1543
1544 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1545
1546         PR target/49868
1547         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1548         Remove note on size/offset limitation.
1549         (AVR Variable Attributes): Add example how to read data located
1550         with progmem.  Refer to named address spaces.
1551         * doc/invoke.texi (AVR Options): Fix typo.
1552
1553 2012-01-24  Richard Guenther  <rguenther@suse.de>
1554
1555         Forward-port to trunk
1556         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1557
1558         PR middle-end/45678
1559         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1560         op0 isn't sufficiently aligned and there is movmisalignM
1561         insn for mode, use it to load op0 into a temporary register.
1562
1563 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1564
1565         PR target/51957
1566         * target.def (const_not_ok_for_debug_p): New hook.
1567         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1568         documentation.
1569         * doc/tm.texi: Regenerated.
1570         * dwarf2out.c (const_ok_for_output_1): If
1571         targetm.const_not_ok_for_debug_p returns true, fail.
1572         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1573         function.
1574         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1575
1576 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1577
1578         PR target/51900
1579         * config/i386/predicates.md (symbolic_operand): Allow
1580         UNSPEC_PCREL as PIC expression for lea.
1581         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1582         * config/i386/i386.c (ix86_delegitimize_address): Handle
1583         UNSPEC_PCREL for none-MEM, too.
1584
1585 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1586
1587         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1588         (ipa_tm_create_version_alias): Same.
1589
1590 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1591
1592         PR libitm/51830
1593         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1594         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1595
1596 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1597             Patrick Marlier  <patrick.marlier@gmail.com>
1598             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1599
1600         PR lto/51916
1601         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1602         simple_object_start_read.
1603
1604 2012-01-23  Richard Guenther  <rguenther@suse.de>
1605
1606
1607         PR tree-optimization/51895
1608         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1609         parameter decomposition into BLKmode components.
1610
1611 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1612
1613         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1614         fake variables for restrict-qualified pointers whose pointed-to type
1615         contains a placeholder.
1616
1617 2012-01-23  Richard Guenther  <rguenther@suse.de>
1618
1619         PR tree-optimization/51949
1620         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1621
1622 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1623
1624         PR rtl-optimization/51933
1625         * ree.c (transform_ifelse): Return true right away if dstreg is
1626         already wider or equal to cand->mode.
1627         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1628         (make_defs_and_copies_lists): Remove defs_list and copies_list
1629         arguments, add state argument, just truncate state->work_list
1630         instead of always allocating and freeing the vector.  Assert that
1631         get_defs succeeds instead of returning 2.  Changed return type to bool.
1632         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1633         have ext_src_mode, see if it has been modified already with the
1634         right kind of extension and has been extended before from the
1635         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1636         just return true.  Remember the original mode in state->modified array.
1637         (combine_reaching_defs): Add state argument.  Don't allocate and
1638         free here def_list, copied_list and vec vectors, instead just
1639         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1640         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1641         Add state variable, clear vectors in it, initialize state.modified
1642         if needed.  Free all the vectors at the end and state.modified too.
1643         Don't skip a candidate if the extension expression has been modified.
1644
1645 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1646
1647         PR target/47096
1648         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1649          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1650         (extra_options) interix.opt -> i386/interix.opt"
1651         (extra_objs):Add winnt-stubs.o
1652         * configure.ac: Add interix to target_os .comm on PE check.
1653         * configure: Regenerate.
1654         * config/interix3.h: Delete and move bits to..
1655         * config/interix.h: Delete and move bits to..
1656         * config/i386/i386-interix3.h: Delete and move bits to..
1657         * config/i386/i386-interix.h: ..here.
1658         (TARGET_CPU_DEFAULT): Remove redefinition.
1659         (TARGET_ASM_CONSTRUCTOR): Undefine.
1660         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1661         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1662         (PTRDIFF_TYPE): Define.
1663         (LONG_DOUBLE_TYPE_SIZE): Define.
1664         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1665         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1666         (TARGET_SECTION_TYPE_FLAGS): Define.
1667         (ASM_DECLARE_FUNCTION_NAME): Define.
1668         (ASM_OUTPUT_EXTERNAL): Define.
1669         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1670         (ASM_OUTPUT_ALIGNED_BSS): Define.
1671         (PCC_BITFIELD_TYPE_MATTERS): Define.
1672         (USE_CONST_SECTION): Define.
1673         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1674         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1675         (SUPPORTS_ONE_ONLY): Remove.
1676         (I386_PE_STRIP_ENCODING): Define.
1677         * config/interix.opt: Delete and move bits to..
1678         * config/i386/interix.opt: ..here. New.
1679         (mpe-aligned-commons): Add.
1680         * config/i386/t-interix: Add copyright header.
1681         (winnt-stubs.o): Add rule.
1682
1683 2012-01-22  Jason Merrill  <jason@redhat.com>
1684
1685         PR c++/51832
1686         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1687         for extra name aliases.
1688
1689 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1690
1691         PR rtl-optimization/51924
1692         * ree.c (combine_set_extension): Improve debugging message.
1693         (combine_reaching_defs): Likewise.
1694         (get_defs): Rename confusingly named variable.
1695         (find_and_remove_re): Skip a candidate if the extension expression has
1696         been modified.
1697
1698 2012-01-21  Robert Millan  <rmh@gnu.org>
1699             Gerald Pfeifer  <gerald@pfeifer.com>
1700
1701         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1702         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1703
1704 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1705
1706         PR tree-optimization/51914
1707         * tree-vect-stmts.c (vectorizable_conversion): For
1708         cvt_type && modifier == WIDEN, put temporary with cvt_type
1709         at the beginning of vec_dsts and set vec_dest to temporary
1710         with vectype_out.
1711
1712 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1713
1714         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1715
1716 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1717
1718         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1719         * config/rs6000/rs6000.c: Likewise.
1720
1721 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR target/51915
1724         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1725         output_move_double on a copy of operands array.
1726
1727 2012-01-20  Cary Coutant  <ccoutant@google.com>
1728             Dodji Seketeli  <dodji@redhat.com>
1729
1730         PR debug/45682
1731         * dwarf2out.c (copy_declaration_context): Return ref to parent
1732         of declaration DIE, if necessary.
1733         (remove_child_or_replace_with_skeleton): Add new parameter; update
1734         caller.  Place skeleton DIE under parent DIE of original declaration.
1735         Move call to copy_declaration_context to here ...
1736         (break_out_comdat_types): ... from here.
1737
1738 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1739
1740         PR rtl-optimization/51856
1741         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1742         flag to reloaded.
1743
1744 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1745
1746         PR target/51819
1747         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1748         hints for neon loads and stores.
1749
1750 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1751
1752         PR target/49868
1753         PR target/50887
1754         * doc/extend.texi (Named Address Spaces): Split into subsections.
1755         (AVR Named Address Spaces): New subsection.
1756         (M32C Named Address Spaces): New subsection.
1757         (RL78 Named Address Spaces): New subsection.
1758         (SPU Named Address Spaces): New subsection.
1759         (Variable Attributes): New anchor "AVR Variable Attributes".
1760         (AVR Variable Attributes): Rewrite and avoid wording
1761         "address space" in this context.
1762         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1763         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1764         (AVR Built-in Macros): New subsubsection therein.
1765         * doc/md.texi (AVR constraints): Remove "C04", "R".
1766
1767 2012-01-20  Richard Guenther  <rguenther@suse.de>
1768
1769         PR tree-optimization/51903
1770         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1771         when removing stmts.
1772
1773 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1774
1775         PR target/50313
1776         * config/arm/arm.c (arm_load_pic_register): Use
1777         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1778         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1779         (arm_pic_static_addr): Likewise.
1780         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1781         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1782         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1783         (pic_load_addr_unified): New.
1784
1785 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1786
1787         PR target/51106
1788         * function.c (instantiate_virtual_regs_in_insn): Use
1789         delete_insn_and_edges when removing a wrong asm insn.
1790
1791 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1792
1793         PR rtl-optimization/40761
1794         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1795         Add new member loop_num.
1796         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1797         (ira_build): Remove the parameter.
1798
1799         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1800         (ira.c): Do not build CFG loops for one region allocation.  Remove
1801         argument from ira_build call.
1802
1803         * ira-build.c (init_loop_tree_node): New function.
1804         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1805         loops are not built.
1806         (more_one_region_p): Check current_loops.
1807         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1808         built.
1809         (add_loop_to_tree): Process loop equal to NULL too.
1810         (form_loop_tree): Separate the case when CFG loops are not built.
1811         Use explicitly number for the root.
1812         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1813         an assertion.
1814         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1815         instead of loop->num.
1816         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1817         (mark_all_loops_for_removal): Ditto.
1818         (remove_unnecessary_regions): Separate the case when CFG loops
1819         are not built.
1820         (ira_build): Remove the parameter.  Use explicit number of regions
1821         when CFG loops are not built.
1822
1823         * ira-color.c (print_loop_title): Separate the case for the root node.
1824         Use loop_num instead of loop->num.
1825         (move_spill_restore): Use loop_num instead of loop->num.
1826
1827         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1828         (change_loop): Ditto.
1829         (change_loop): Use loop_num instead of loop->num.
1830
1831         * ira-lives.c (process_bb_node_lives): Ditto.
1832
1833         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1834
1835         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1836
1837 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1838
1839         PR libmudflap/40778
1840         * tree-mudflap.c (mf_artificial): New function.
1841         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1842         mx_register_decls, mudflap_enqueue_decl): Use it.
1843
1844         PR target/51876
1845         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1846         numbers in the insn pattern.
1847
1848 2012-01-19  Michael Matz  <matz@suse.de>
1849
1850         PR tree-optimization/46590
1851         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1852         use it in remembering which conflicts we already created.
1853         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1854         bitmap.
1855
1856 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1857
1858         PR lto/51280
1859         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1860         (merge_and_complain): Same.
1861
1862 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1863
1864         PR bootstrap/50237
1865         * config/initfini-array.h: Guard content of the header
1866         with #ifdef HAVE_INITFINI_ARRAY.
1867         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1868         Add initfini-array.h to tm_file here.
1869         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1870         * config.gcc: Don't add initfini-array.h to tm_file here.
1871         * configure: Regenerated.
1872
1873 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1874
1875         PR rtl-optimization/51505
1876         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1877         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1878         (df_note_bb_compute): Update the call to df_kill_notes.
1879
1880 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1881
1882         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1883
1884 2012-01-18  Richard Guenther  <rguenther@suse.de>
1885
1886         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1887         of conversions to void *.
1888
1889 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1890             Richard Sandiford  <rdsandiford@googlemail.com>
1891
1892         PR middle-end/50325
1893         PR middle-end/51192
1894         * optabs.h (simplify_expand_binop): Declare.
1895         * optabs.c (simplify_expand_binop): Make global.
1896         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1897         endian targets if the source cannot be exactly covered by word
1898         mode chunks.
1899
1900 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1901
1902         PR bootstrap/51872
1903         * hard-reg-set.h (struct hard_reg_set_container): New type.
1904         * target.h (struct hard_reg_set_container): Forward declare.
1905         * target.def (set_up_by_prologue): New target hook.
1906         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1907         * doc/tm.texi: Regenerated.
1908         * function.c (thread_prologue_and_epilogue_insns): Change
1909         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1910         Call targetm.set_up_by_prologue on it.
1911         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1912         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1913
1914 2012-01-17  Nick Clifton  <nickc@redhat.com>
1915
1916         * config/rx/rx.c (rx_can_use_simple_return): New function.
1917         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1918         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1919
1920 2012-01-17  Richard Guenther  <rguenther@suse.de>
1921
1922         PR middle-end/51782
1923         * expr.c (expand_assignment): Take address-space information
1924         from the address operand of MEM_REF and TARGET_MEM_REF.
1925         (expand_expr_real_1): Likewise.
1926
1927 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1928
1929         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1930         reload dump is requested.
1931
1932 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1933
1934         PR other/51165
1935         * trans-mem.c (requires_barrier): Call may_be_aliased.
1936
1937 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR tree-optimization/51877
1940         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1941         call arguments and fndecls compare equal, instead return false if they
1942         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1943         both SSA_NAMEs that are valueized the same, or they satisfy
1944         operand_equal_p.
1945
1946 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1947
1948         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1949         Solaris 11+.
1950         * configure: Regenerate.
1951
1952 2012-01-16  Jan Hubicka  <jh@suse.cz>
1953
1954         PR c/12245
1955         PR c++/14179
1956         * convert.c (convert_to_integer): Use fold_convert for
1957         converting an INTEGER_CST to integer type.
1958
1959 2012-01-16  Jason Merrill  <jason@redhat.com>
1960
1961         PR c++/14179
1962         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1963
1964 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1965
1966         PR bootstrap/51860
1967         * config/s390/s390.c (s390_chunkify_start): Don't skip
1968         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1969         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1970         If insn is followed by NOTE_INSN_VAR_LOCATION or
1971         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1972         Don't use location of note insns.
1973
1974         PR tree-optimization/51865
1975         * tree-inline.c (tree_function_versioning): Call remap_decl
1976         on DECL_RESULT whenever it has VOID_TYPE_P type.
1977
1978 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1979
1980         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1981         for calls to locally-binding MIPS16 functions if only the return
1982         type uses float regs.
1983
1984 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1985             Richard Sandiford  <rdsandiford@googlemail.com>
1986
1987         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1988         (SYMBOL_32_HIGH): Likewise.
1989         (mips_output_tls_reloc_directive): Declare.
1990         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1991         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1992         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1993         (mips_lo_relocs, mips_hi_relocs): Make extern.
1994         (mips16_stub_function): Move up file.
1995         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1996         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1997         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1998         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1999         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2000         (mips_get_tp): Add MIPS16 support.
2001         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2002         Generalize DTPREL and TPREL handling.
2003         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2004         Add MIPS16 TLS support.
2005         (mips_output_tls_reloc_directive): New function.
2006         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2007         * config/mips/predicates.md (symbolic_operand_with_high)
2008         (tls_reloc_operand): New predicates.
2009         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2010         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2011         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2012         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2013         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2014         (*tls_get_tp_mips16_call_<mode>): Likewise.
2015
2016 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         PR rtl-optimization/51821
2019         * recog.c (peep2_find_free_register): Determine clobbered registers
2020         from insn pattern.
2021
2022 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2023
2024         PR target/50925
2025         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2026         * config/avr/avr.c: Likewise.
2027         * config/avr/avr.h: Likewise.
2028
2029 2012-01-13  Ian Lance Taylor  <iant@google.com>
2030
2031         PR c++/50012
2032         * tree.h (TYPE_QUALS): Add cast to int.
2033         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2034
2035 2012-01-13  Ian Lance Taylor  <iant@google.com>
2036
2037         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2038         comparing param_index to VEC_length result.
2039
2040 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2041
2042         * c-decl.c: Do not include tree-mudflap.h
2043         * tree-optimize.c: Likewise.
2044         * Makefile.in: Update dependencies.
2045
2046 2012-01-13  Richard Guenther  <rguenther@suse.de>
2047
2048         PR middle-end/8081
2049         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2050         variable-sized result always use RSO.
2051
2052 2012-01-12  DJ Delorie  <dj@redhat.com>
2053
2054         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2055         pointer type, not just the default pointer type.
2056
2057 2012-01-09  Richard Henderson  <rth@redhat.com>
2058             Denis Chertykov  <chertykov@gmail.com>
2059
2060         PR target/50925
2061         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2062         * config/avr/avr.c (avr_can_eliminate): Simplify.
2063         (avr_initial_elimination_offset): Likewise.
2064         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2065         (expand_epilogue): Likewise.
2066         (avr_legitimize_address): Gut.
2067         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2068         (avr_hard_regno_nregs): New.
2069         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2070         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2071         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2072         add soft frame pointer.
2073         (CALL_USED_REGISTERS): Likewise.
2074         (REG_CLASS_CONTENTS): Likewise.
2075         (REGISTER_NAMES): Likewise.
2076         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2077         (HARD_FRAME_POINTER_REGNUM): New.
2078         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2079         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2080         remove the HARD_FRAME_POINTER self-elimination.
2081
2082 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2083
2084         PR target/51756
2085         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2086         DECL_EXTERNAL when checking for initializers of progmem variables.
2087
2088 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2089
2090         PR tree-optimization/51799
2091         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2092         that the last operation is a type demotion.
2093
2094 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2095
2096         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2097         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2098
2099 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2100
2101         PR bootstrap/51796
2102         * combine.c (distribute_notes): If i3 is a noreturn call,
2103         allow old_size to be equal to args_size and make sure the
2104         noreturn call gets REG_ARGS_SIZE note.
2105         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2106         on noreturn calls even when the delta is 0.
2107
2108 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2109
2110         * gcov.c (STRING_SIZE): Remove.
2111         (generate_results): Erase annotations for source files with no
2112         coverage information.
2113         (read_line): New.
2114         (output_lines): Use it.
2115
2116 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2117
2118         * gimple.h (gimplify_body): Remove first argument.
2119         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2120         pointer set here, instead just pass DATA to walk_tree.
2121         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2122         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2123         (unvisit_body): Likewise, but with unmark_visited.
2124         (gimplify_body): Remove BODY_P argument and adjust.
2125         (gimplify_function_tree): Adjust call to gimplify_body.
2126         * omp-low.c (finalize_task_copyfn): Likewise.
2127
2128 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2129
2130         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2131         (build_function_type_skip_args): Delete.
2132         * tree.c (build_function_type_skip_args): Make static and add
2133         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2134         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2135         pass it to build_function_type_skip_args.
2136         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2137         (tree_function_versioning): Likewise.
2138         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2139         build_function_decl_skip_args.
2140         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2141         and pass it to build_function_decl_skip_args/tree_function_versioning.
2142         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2143         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2144         * trans-mem.c (ipa_tm_create_version): Likewise.
2145         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2146         * tree-inline.c (declare_return_variable): Remove always-true test.
2147         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2148         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2149         * ipa-split.c (split_function): Skip the return value for the split
2150         part if it doesn't return.
2151
2152 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2153
2154         PR tree-optimization/49642
2155         * ipa-split.c (forbidden_dominators): New variable.
2156         (check_forbidden_calls): New function.
2157         (dominated_by_forbidden): Likewise.
2158         (consider_split): Check for forbidden dominators.
2159         (execute_split_functions): Initialize and free forbidden
2160         dominators info; call check_forbidden_calls.
2161
2162 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2163
2164         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2165
2166 2012-01-11  Nick Clifton  <nickc@redhat.com>
2167
2168         * config/rx/rx.md (return): Define pattern.
2169
2170 2012-01-11  Richard Guenther  <rguenther@suse.de>
2171
2172         * doc/extend.texi (malloc attribute): Adjust according to
2173         implementation.
2174
2175 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2176             Patrick Marlier  <patrick.marlier@gmail.com>
2177
2178         PR middle-end/51516
2179         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2180         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2181         (ipa_tm_note_irrevocable): Same.
2182         (ipa_tm_scan_irr_block): Same.
2183         (ipa_tm_decrement_clone_counts): Same.
2184         (ipa_tm_scan_irr_function): Same.
2185         (ipa_tm_create_version_alias): Same.
2186         (ipa_tm_create_version): Same.
2187         (ipa_tm_transform_calls_redirect): Same.
2188         (ipa_tm_transform_calls): Same.
2189         (ipa_tm_transform_transaction): Same.
2190         (ipa_tm_execute): Same.
2191
2192 2012-01-10  Richard Guenther  <rguenther@suse.de>
2193
2194         PR middle-end/51806
2195         * opts.c (common_handle_option): Handle -Werror.
2196
2197 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2198
2199         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2200         operand number.
2201
2202 2012-01-10  Jason Merrill  <jason@redhat.com>
2203
2204         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2205         information.
2206
2207 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2208
2209         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2210         supports R_386_TLS_GD_PLT reloc.
2211         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2212         supports R_386_TLS_LDM_PLT reloc.
2213         * configure: Regenerate.
2214         * config.in: Regenerate.
2215
2216 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2217
2218         PR target/49868
2219         Extend __pgmx semantics to linearize memory.
2220         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2221         determine if code comes inline or from libgcc.
2222         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2223         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2224         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2225         (movmemx_qi, movmemx_hi): New insns.
2226         (xload_<mode>_libgcc): Rewrite to new insn condition.
2227         (xload_<mode>): Remove insns.
2228         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2229         cases that don't satisfy avr_xload_libgcc_p().
2230         (avr_addr_space_convert): Allow converting in any direction.
2231         (avr_addr_space_subset_p): Return always true.
2232         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2233         (avr_emit_movmemhi): Ditto.
2234         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2235         (avr_out_movmem): Ditto.
2236         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2237         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2238         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2239         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2240         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2241
2242 2012-01-10  Richard Guenther  <rguenther@suse.de>
2243
2244         PR tree-optimization/50913
2245         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2246         Require data-refs to be representable by Graphite with respect
2247         to any loop nest.
2248
2249 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2250
2251         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2252         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2253
2254 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2255
2256         PR rtl-optimization/51271
2257         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2258         handling annulled branch.
2259
2260 2012-01-10  Richard Henderson  <rth@redhat.com>
2261
2262         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2263         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2264         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2265         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2266         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2267         arm_expand_vec_perm_const): New.
2268         * config/arm/arm-protos.h: Update.
2269         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2270         (*neon_vswp<VDQX>): New.
2271         (neon_vcombine<VDX>): Use neon_split_vcombine.
2272         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2273         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2274         (vec_perm<VE>): New.
2275
2276 2012-01-10  Richard Henderson  <rth@redhat.com>
2277
2278         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2279         use it if reload_completed.
2280         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2281         arm_output_asm_insn, arm_process_output_memory_barrier,
2282         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2283         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2284         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2285         arm_process_output_sync_insn, arm_output_sync_insn,
2286         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2287         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2288         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2289         (emit_unlikely_jump): New.
2290         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2291         (arm_split_atomic_op): New.
2292         * config/arm/arm-protos.h: Update.
2293         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2294         (struct arm_sync_generator): Remove.
2295         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2296         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2297         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2298         (VUNSPEC_LL, VUNSPEC_SC): New.
2299         (sync_result, sync_memory, sync_required_value, sync_new_value,
2300         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2301         (attr length): Don't use arm_sync_loop_insns.
2302         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2303         (movsfcc, movdfcc): Likewise.
2304         * config/arm/constraints.md (Ua): New.
2305         * config/arm/prediates.md (mem_noofs_operand): New.
2306         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2307         (sync_clobber, sync_t2_reqd): Remove.
2308         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2309         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2310         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2311         (arm_sync_compare_and_swap<SIDI>): Remove.
2312         (arm_sync_compare_and_swap<NARROW>): Remove.
2313         (arm_sync_lock_test_and_set<SIDI>): Remove.
2314         (arm_sync_lock_test_and_set<NARROW>): Remove.
2315         (arm_sync_new_<syncop><SIDI>): Remove.
2316         (arm_sync_new_<syncop><NARROW>): Remove.
2317         (arm_sync_new_nand<SIDI>): Remove.
2318         (arm_sync_new_nand<NARROW>): Remove.
2319         (arm_sync_old_<syncop><SIDI>): Remove.
2320         (arm_sync_old_<syncop><NARROW>): Remove.
2321         (arm_sync_old_nand<SIDI>): Remove.
2322         (arm_sync_old_nand<NARROW>): Remove.
2323         (*memory_barrier): Merge arm_output_memory_barrier.
2324         (atomic_compare_and_swap<QHSD>): New.
2325         (atomic_compare_and_swap<NARROW>_1): New.
2326         (atomic_compare_and_swap<SIDI>_1): New.
2327         (atomic_exchange<QHSD>): New.
2328         (cas_cmp_operand, cas_cmp_str): New.
2329         (atomic_op_operand, atomic_op_str): New.
2330         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2331         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2332         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2333         (arm_load_exclusive<NARROW>): New.
2334         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2335         (arm_store_exclusive<QHSD>): New.
2336
2337 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2338
2339         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2340         reload patterns if -mvsx-scalar-memory.
2341
2342         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2343         generated, even -mno-vsx-scalar-double was used.
2344         (vsx_xscvdpsp_scalar): Likewise.
2345         (vsx_xscvspdp_scalar2): Likewise.
2346
2347 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2348             Andrew Pinski  <apinski@cavium.com>
2349
2350         PR debug/51471
2351         * reorg.c (fill_slots_from_thread): Don't speculate
2352         frame-related insns.
2353
2354 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2355
2356         * sched-int.h (bb_note): Move to...
2357         * basic-block.h: ...here.
2358         * haifa-sched.c (bb_note): Move to...
2359         * cfgrtl.c: ...here.
2360         * function.c (next_block_for_reg): New function.
2361         (move_insn_for_shrink_wrap): Likewise.
2362         (prepare_shrink_wrap): Rewrite to use the above.
2363
2364 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2365
2366         * gimple.c (is_gimple_non_addressable): Remove.
2367         * gimple.h: Remove is_gimple_non_addressable.
2368         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2369         is_gimple_non_addressable.
2370         * trans-mem.c (expand_assign_tm): Same.
2371
2372 2012-01-09  Richard Guenther  <rguenther@suse.de>
2373
2374         PR tree-optimization/51775
2375         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2376         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2377
2378 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2379
2380         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2381         tuning parameters.
2382         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2383
2384 2012-01-09  Richard Guenther  <rguenther@suse.de>
2385
2386         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2387
2388 2012-01-08  Jan Hubicka  <jh@suse.cz>
2389
2390         PR tree-optimize/51680
2391         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2392         on when known_vals needs to be computed; cleanup.
2393
2394 2012-01-08  Jan Hubicka  <jh@suse.cz>
2395
2396         PR tree-optimize/51694
2397         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2398
2399 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2400
2401         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2402         for -std=c++98 and -std=c++11 too.
2403
2404 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2405
2406         * cfgloop.c (cancel_loop): Add free() of bbs array.
2407
2408 2012-01-07  Jan Hubicka  <jh@suse.cz>
2409
2410         PR tree-optimization/51600
2411         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2412         that benefits small functions.
2413
2414 2012-01-07  Jan Hubicka  <jh@suse.cz>
2415
2416         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2417
2418 2012-01-07  Jan Hubicka  <jh@suse.cz>
2419
2420         PR tree-optimization/51680
2421         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2422         whose inlining reduce unit size.
2423
2424 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2425
2426         PR bootstrap/51725
2427         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2428         Add canonical node to containing_mem chain after the non-canonical
2429         one, even if there weren't any locs to propagate.
2430         (remove_useless_values): Keep only canonical values.
2431         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2432         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2433         canonicalize mem_chain elements that are not discarded.
2434
2435 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2436
2437         PR target/47333
2438         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2439         before emitting functions.
2440
2441         PR gcov-profile/50127
2442         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2443         clear_aux_for_blocks.
2444
2445 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2446
2447         PR debug/51746
2448         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2449
2450 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2451
2452         * c-decl.c (ext_block): Moved up.
2453         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2454
2455 2012-01-06  Han Shen  <shenhan@google.com>
2456
2457         Translate built-in include paths for sysroot.
2458         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2459         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2460
2461         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2462         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2463
2464         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2465         control whether sysroot should be prepended to gxx include dir.
2466
2467         * configure: Regenerate.
2468
2469 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2470
2471         PR rtl-optimization/51771
2472         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2473         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2474
2475 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2476
2477         PR tree-optimization/51315
2478         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2479         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2480
2481 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2482
2483         PR target/51681
2484         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2485         for shrp pattern.  Correctly handle and fixup shift variable.
2486         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2487
2488 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2489
2490         PR debug/51762
2491         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2492         note when !ACCUMULATE_OUTGOING_ARGS.
2493
2494 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2495
2496         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2497         condition.
2498         (extract_range_from_unary_expr_1): Avoid useless computations.
2499
2500 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR rtl-optimization/51767
2503         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2504         of jump_block and add an extra edge for degenerated asm gotos.
2505
2506         PR middle-end/51768
2507         * stmt.c (check_unique_operand_names): Don't ICE during error
2508         reporting if i is from labels chain.
2509
2510         PR middle-end/44777
2511         * profile.c (branch_prob): Split bbs that have exit edge
2512         and need a fake entry edge too.
2513
2514 2012-01-05  Jan Hubicka  <jh@suse.cz>
2515
2516         PR middle-end/49710
2517         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2518         unlooping loops.
2519
2520 2012-01-05  Richard Guenther  <rguenther@suse.de>
2521
2522         PR lto/50490
2523         * tree-streamer-out.c (write_ts_optimization): New function.
2524         (streamer_write_tree_body): Call it.
2525         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2526         (streamer_read_tree_body): Call it.
2527         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2528
2529 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2530
2531         PR middle-end/51761
2532         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2533         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2534         in_cleanup_point_expr before gimplify_stmt call and restore it
2535         afterwards.
2536         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2537         in_cleanup_point_expr is false.
2538
2539 2012-01-05  Richard Guenther  <rguenther@suse.de>
2540
2541         PR middle-end/51764
2542         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2543         to c.opt.
2544         * toplev.c (process_options): Reject combining mudflap and LTO.
2545         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2546
2547 2012-01-05  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/51760
2550         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2551         not VARYING.
2552         (bit_value_unop): Handle UNDEFINED operands.
2553         (bit_value_binop): Likewise.
2554
2555 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2556
2557         * config/avr/avr.c (avr_replace_prefix): Remove.
2558         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2559         (avr_asm_function_rodata_section): Ditto.
2560         (avr_asm_select_section): Ditto.
2561
2562 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2563
2564         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2565         insertion.
2566
2567 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR bootstrap/51648
2570         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2571         calls that have any non-fake successor edges.
2572
2573         PR debug/51746
2574         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2575
2576 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2577
2578         PR tree-optimization/51624
2579         * tree-sra.c (build_ref_for_model): When replicating a chain of
2580         COMPONENT_REFs, stop as soon as the offset would become negative.
2581
2582 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR debug/51695
2585         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2586         in .debug_loc on the floor.
2587
2588 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2589
2590         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2591
2592 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2593             Adam Nemet  <anemet@caviumnetworks.com>
2594
2595         * config/mips/mips.md (size): Add SI and DI.
2596         (SIZE): New mode attribute.
2597         (U): New code attribute.
2598         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2599         (mips_lbux_<mode>): Delete.
2600         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2601         (mips_lhx): Use gen_mips_lhx_extsi.
2602         (mips_lhx_<mode>): Delete.
2603         (mips_lwx): Delete.
2604         (mips_l<size>x): New expand.
2605         (mips_lwx_<mode>): Delete.
2606         (mips_l<GPR:size>x_<P:mode>): New pattern.
2607         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2608         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2609         * config/mips/mips.c (mips_lx_address_p): New function.
2610         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2611         (dsp64): New availability predicate.
2612         (mips_builtins): Add an entry for __builtin_mips_ldx.
2613         * config/mips/mips.h (ISA_HAS_LBX): New define.
2614         (ISA_HAS_LBUX): Likewise.
2615         (ISA_HAS_LHX): Likewise.
2616         (ISA_HAS_LHUX): Likewise.
2617         (ISA_HAS_LWX): Likewise.
2618         (ISA_HAS_LWUX): Likewise.
2619         (ISA_HAS_LDX): Likewise.
2620         * doc/extend.texi (__builtin_mips_ldx): Document.
2621
2622 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2623
2624         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2625         when long pointers are used.
2626         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2627         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2628         (ia64-hp-*vms*): Remove.
2629         * config/vms/xm-vms64.h: Delete.
2630
2631 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2632
2633         PR middle-end/51472
2634         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2635
2636 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2637
2638         * opts.c (finish_options): Remove duplicate sorry.
2639
2640 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2641
2642         PR middle-end/51696
2643         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2644         correctly.
2645
2646 2012-01-04  Richard Guenther  <rguenther@suse.de>
2647
2648         PR middle-end/51750
2649         * tree.c (size_low_cst): New function.
2650         * tree.h (size_low_cst): Declare.
2651         * fold-const.c (fold_comparison): Use it to extract the low
2652         part of the POINTER_PLUS_EXPR offset.
2653
2654 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2655
2656         Fix clearing ZERO_REG
2657         * config/avr/avr.md (cc): Add alternative "ldi".
2658         (movqi_insn): Use it in cc attribute.
2659         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2660         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2661         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2662
2663 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2664
2665         * configure: Regenerate.
2666
2667 2012-01-04  Richard Guenther  <rguenther@suse.de>
2668
2669         PR tree-optimization/49651
2670         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2671         (var_can_have_subvars): Use it.
2672         (get_constraint_for_1): Only consider subfields if there can be any.
2673
2674 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR bootstrap/51725
2677         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2678         to its new canonical_cselib_val and the cselib_val was in
2679         first_containing_mem chain, but the canonical_cselib_val was not,
2680         add the latter into the chain.
2681         (cselib_invalidate_mem): Compare canonical_cselib_val of
2682         addr_list chain elt with v.
2683
2684         PR pch/51722
2685         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2686         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2687         of xstrdup.
2688         (output_macinfo_op): Don't ggc_strdup fd->filename.
2689         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2690         then ggc_strdup it.  Don't free inc->info or cur->info.
2691         (output_macinfo): Don't free ref->info or file->info.
2692
2693 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2694
2695         PR tree-optimization/51269
2696         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2697         first_niters a pointer.
2698         (slpeel_tree_peel_loop_to_edge): Likewise.
2699         (vect_do_peeling_for_loop_bound): Update call to
2700         slpeel_tree_peel_loop_to_edge.
2701         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2702         here.  Remove it from the parameters list.
2703         (vect_do_peeling_for_alignment): Update calls and compute
2704         wide_prolog_niters.
2705
2706 2012-01-03  Richard Guenther  <rguenther@suse.de>
2707
2708         PR tree-optimization/51070
2709         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2710         Properly handle calls.
2711
2712 2012-01-03  Richard Guenther  <rguenther@suse.de>
2713
2714         PR tree-optimization/51692
2715         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2716         the LHS of allocation stmts.
2717
2718 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2719
2720         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2721
2722 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2723
2724         * collect2.c (main): In AIX specific computations for vector
2725         insertions, use CONST_CAST2 to cast from char ** to const char **.
2726
2727 2012-01-03  Richard Guenther  <rguenther@suse.de>
2728
2729         PR debug/51650
2730         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2731         the context of a limbo DIE when it does not already exist.
2732
2733 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2734
2735         PR tree-optimization/51719
2736         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2737         but direct call is, clear direct call's lhs and don't add fallthrough
2738         edge from dcall_bb to join_bb and PHIs.
2739
2740 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2741
2742         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2743         the instructions emitted by the pattern.
2744         ("*TDC_insn_<mode>"): Add comment.
2745
2746 2012-01-03  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/51730
2749         * fold-const.c (fold_comparison): Properly canonicalize
2750         tree offset and HOST_WIDE_INT bit position.
2751
2752 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2753
2754         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2755         operands for extzv pattern.
2756
2757 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2758
2759         PR bootstrap/51725
2760         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2761         on mem_elt first.
2762
2763 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2764
2765         * doc/invoke.texi (-flto and related options): Copy-edit.
2766
2767 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2768
2769         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2770
2771 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2772
2773         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2774         New patterns.
2775
2776 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2777
2778         * expr.h (move_by_pieces_ninsns): Declare.
2779         * expr.c (move_by_pieces_ninsns): Make external.
2780         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2781         (mips_store_by_pieces_p): Likewise.
2782         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2783         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2784         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2785         (mips_store_by_pieces_p): Likewise.
2786
2787 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2788
2789         * passes.c (register_one_dump_file): Free full_name.
2790
2791         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2792         (calculate_elim_costs_all_insns): Free offsets_at and
2793         offsets_known_at at the end and clear the pointers.
2794
2795 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2796
2797         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2798         this option introduced in r180739.
2799
2800 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2801
2802         PR target/51345
2803         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2804         (tmake_file target=avr): Add avr/t-multilib.
2805
2806         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2807         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2808         * config/avr/genmultilib.awk: New file.
2809         * config/avr/t-multilib: New auto-generated file.
2810         * config/avr/multilib.h: New auto-generated file.
2811         * config/avr/t-avr (AVR_MCUS): New variable.
2812         (genopt.sh): Use it.
2813         (s-mlib): Depend on t-multilib.
2814         (t-multilib, multilib.h): New dependencies.
2815         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2816         (MULTILIB_OPTIONS): Remove.
2817         (MULTILIB_MATCHES): Remove.
2818         (MULTILIB_DIRNAMES): Remove.
2819         (MULTILIB_EXCEPTIONS): Remove:
2820         * config/avr/genopt.sh: Don't use hard coded file name;
2821         pass AVR_MCUS from t-avr instead.
2822
2823 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2824
2825         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2826
2827 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2828
2829         Implement light-weight DImode support.
2830         * config/avr/avr-dimode.md: New file.
2831         * config/avr/avr.md: Include it.
2832         (adjust_len): Add plus64, compare64.
2833         (HIDI): Remove code iterator.
2834         (code_stdname): New code attribute.
2835         (rotx, rotsmode): Remove DI.
2836         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2837         as code iterator.
2838         * config/avr/avr-protos.h (avr_have_dimode): New.
2839         (avr_out_plus64, avr_out_compare64): New.
2840         * config/avr/avr.c (avr_out_compare): Handle DImode.
2841         (avr_have_dimode): New variable definition and initialization.
2842         (avr_out_compare64, avr_out_plus64): New functions.
2843         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2844         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2845         (avr_compare_pattern): Skip DImode comparisons.
2846
2847 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2848
2849         * ddg.c (def_has_ccmode_p): New function.
2850         (add_cross_iteration_register_deps,
2851         create_ddg_dep_from_intra_loop_link): Call it.
2852
2853 2012-01-02  Richard Guenther  <rguenther@suse.de>
2854
2855         PR other/51679
2856         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2857
2858 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2859
2860         * gcc.c (process_command): Update copyright notice dates.
2861         * gcov.c (print_version): Likewise.
2862         * gcov-dump.c (print_version): Likewise.
2863         * mips-tfile.c (main): Likewise.
2864         * mips-tdump.c (main): Likewise.
2865
2866 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2867
2868         PR tree-optimization/51704
2869         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2870         a use is inside the basic block or loop before accessing its vect info.
2871
2872 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2873
2874         PR rtl-optimization/51069
2875         * cfgloopmanip.c (remove_path): Removing path making irreducible
2876         region unconditional makes BB part of the region.
2877
2878 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2879
2880         PR tree-optimization/51683
2881         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2882         calls with side-effects.
2883         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2884 \f
2885 Copyright (C) 2012 Free Software Foundation, Inc.
2886
2887 Copying and distribution of this file, with or without modification,
2888 are permitted in any medium without royalty provided the copyright
2889 notice and this notice are preserved.