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