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1 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2
3         * tree-into-ssa (update_ssa): Avoid trailing whitespace in
4         dump_file.
5         * tree-ssa-sccvn.c (print_scc): Ditto.
6
7 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8
9         * doc/passes.texi (Full redundancy elimination): Fix typo.
10
11 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12
13         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
14
15 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
16
17         PR bootstrap/52287
18         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
19
20 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
21
22         PR c/52290
23         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
24
25 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
26
27         * config/avr/avr.md (code_stdname): Add ior, xor.
28         (xior): New code iterator.
29         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
30         (*<code_stdname><mode>qi.byte1-3): Ditto.
31
32 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
33
34         PR tree-optimization/52019
35         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
36         CLOBBER stmts.
37
38 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
39
40         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
41         HAVE_INITFINI_ARRAY to work around namespace pollution in
42         certain versions of newlib system headers.
43         * config.in: Regenerate.
44         * configure: Regenerate.
45         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
46         instead of HAVE_INITFINI_ARRAY.
47
48 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
49
50         PR target/52330
51         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
52         is not offsettable memory reference.
53
54 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
55
56         PR target/18145
57         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
58         setting avr_need_clear_bss_p for __gnu_lto* symbols.
59
60 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
61
62         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
63         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
64
65 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
66
67         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
68         library on Solaris 8 even without TLS support.
69         * configure: Regenerate.
70
71 2012-02-22  Richard Guenther  <rguenther@suse.de>
72
73         PR middle-end/52329
74         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
75         for GIMPLE_DEBUG stmts.
76
77 2012-02-22  Martin Jambor  <mjambor@suse.cz>
78
79         PR middle-end/51782
80         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
81         according to the base object.
82
83 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
84
85         PR rtl-optimization/50063
86         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
87         and 2 (8-bit SP) in operand 2.
88         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
89         setup to use movhi_sp_r instead of vanilla move to write SP.
90         Adjust REG_CFA notes to superseed unspec.
91         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
92         of vanilla move.
93         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
94         known to be off) only with TARGET_NO_INTERRUPTS. Never use
95         irq_state 1 (IRQ known to be on) here.
96
97 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
98
99         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
100         WORDS_BIG_ENDIAN.
101         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
102         assign_hard_reg): Likewise.
103
104 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
105
106         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
107
108 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
109
110         * config/avr/avr.md
111         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
112         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
113
114 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
115
116         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
117         prototype from here to...
118         * config/avr/avr.h: ...here.
119
120 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
121
122         PR target/52294
123         * thumb2.md (thumb2_shiftsi3_short): Split register and
124         immediate shifts.  For register shifts tie operands 0 and 1.
125         (peephole2 for above): Check that register-controlled shifts
126         have suitably tied operands.
127
128 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
129
130         PR target/52137
131         * config/i386/bdver1.md (bdver1_call, bdver1_push,
132         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
133         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
134         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
135         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
136         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
137         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
138         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
139         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
140         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
141         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
142         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
143         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
144         bdver1_ssevector_avx256_unaligned_load,
145         bdver1_ssevector_sse128_unaligned_load,
146         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
147         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
148         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
149         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
150         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
151         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
152         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
153         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
154         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
155         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
156         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
157         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
158         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
159         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
160         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
161         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
162         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
163         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
164         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
165         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
166         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
167         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
168         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
169         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
170         bdver1_ssediv_double_load, bdver1_ssediv_double,
171         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
172         Add "bdver2" attribute.
173
174 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
175
176         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
177         default if possible and not specified otherwise.
178
179 2012-02-21  Richard Guenther  <rguenther@suse.de>
180
181         PR middle-end/52314
182         * gimplify.c (create_tmp_from_val): Use the main variant type
183         for the type of the temporary we create.
184
185 2012-02-21  Richard Guenther  <rguenther@suse.de>
186
187         PR tree-optimization/52324
188         * gimplify.c (gimplify_expr): When re-gimplifying expressions
189         do not gimplify a MEM_REF address operand if it is already
190         in suitable form.
191
192 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
193
194         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
195         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
196
197 2012-02-21  Richard Guenther  <rguenther@suse.de>
198
199         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
200         nested_in_vect_loop.
201
202 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
203
204         PR tree-optimization/52318
205         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
206         vdef also to non-pure/const call stmts in the sequence.
207
208 2012-02-20  David S. Miller  <davem@davemloft.net>
209
210         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
211         don't use the "rd %pc" instruction on v9 for PIC register loads.
212
213 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
214
215         PR middle-end/52141
216         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
217         in a transaction safe function.
218
219 2012-02-20  Kai Tietz  <ktietz@redhat.com>
220
221         PR target/52238
222         * stor-layout.c (place_field): Handle desired_align for
223         ms-bitfields, too.
224
225 2012-02-20  Richard Guenther  <rguenther@suse.de>
226
227         PR tree-optimization/52298
228         * tree-vect-stmts.c (vectorizable_store): Properly use
229         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
230         outer loops.
231         (vectorizable_load): Likewise.
232         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
233         Access DR_STEP after ensuring it is not NULL.
234
235 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
236
237         PR tree-optimization/52286
238         * fold-const.c (fold_binary_loc): For (X & C1) | C2
239         optimization use double_int_to_tree instead of build_int_cst_wide,
240         rewrite to use double_int vars.
241
242 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
243
244         PR target/50166
245         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
246         Define _start.
247         Remove -e 0 from $gcc_cv_ld invocation.
248         Only use __GLIBC_PREREQ if defined.
249         Enable on Solaris since Solaris 8 patch.
250         (gcc_SUN_LD_VERSION): New macro.
251         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
252         gcc_SUN_LD_VERSION for version number format.
253         * configure: Regenerate.
254         * varasm.c (get_elf_initfini_array_priority_section): Set
255         SECTION_NOTYPE for non-default priority.
256         Use get_section instead of get_unnamed_section to emit
257         .init_array/.fini_array with default priority.
258
259 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
260
261         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
262         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
263         (mips_start_unique_function, mips_output_mips16_rdhwr)
264         (mips_code_end): New functions.
265         (TARGET_ASM_CODE_END): Define.
266
267 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
268
269         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
270         to stubs with non-sibling calls.
271
272 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
273
274         * doc/invoke.texi (-fira-* options): Copy-edit.
275         (ira-* parameters): Copy-edit.
276
277 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
278
279         * doc/invoke.texi: Minor copy-edits to bring into conformance with
280         GCC coding conventions.
281
282 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
283
284         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
285         when used as adjectives.
286
287 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
288
289         * doc/invoke.texi: Clean up "that"/"which" confusion.
290
291 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
292
293         * system.h: Poison SMALL_REGISTER_CLASSES
294         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
295         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
296
297 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
298
299         PR tree-optimization/52285
300         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
301         when deciding if a call is a tail call or tail recursion.
302
303 2012-02-16  Kai Tietz  <ktietz@redhat.com>
304
305         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
306         interger-constant displacement for UNSPEC_PCREL.
307
308 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
309
310         PR rtl-optimization/52208
311         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
312         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
313
314         PR tree-optimization/52255
315         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
316         loop->header has virtual PHI, but exit_e->dest doesn't, add
317         virtual PHI to exit_e->dest and adjust all uses after the loop.
318
319         PR debug/52260
320         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
321         children with clone_tree_hash, not after it.
322
323 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
324
325         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
326         extended identifiers.
327
328 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
329
330         PR middle-end/51929
331         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
332         a same_body_alias, also test whether e->callee isn't a former
333         or current clone of the decl this is a same body alias of.
334
335         PR translation/52264
336         * cgraphunit.c (verify_cgraph_node): Fix a typo.
337
338 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
339
340         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
341
342 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
343
344         PR target/52199
345         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
346         force_reg instead of copy_to_reg for better optimization.  Force
347         non-register or memory operands into a register.
348
349 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
350
351         * extend.texi: Reserve upper bits of memory model for future use.
352
353 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
354             Anatoly Sokolov <aesok@post.ru>
355             Eric Weddington <eric.weddington@atmel.com>
356
357         PR target/52261
358         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
359         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
360         Rewrite initializers for .macro.
361         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
362         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
363         atxmega32d4, atxmega32x1.
364         avrxmega4: atxmega64a3, atxmega64d3.
365         avrxmega5: atxmega64a1, atxmega64a1u.
366         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
367         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
368         avrxmega7: atxmega128a1, atxmega128a1u.
369         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
370         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
371         (struct base_arch_s): Rename reserved to xmega_p.
372         Rename reserved2 to have_rampd.
373         (AVR_XMEGA): New define.
374         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
375         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
376         * config/avr/predicates.md (io_address_operand): Take into
377         account SFR offset.
378         (low_io_address_operand): Ditto.
379         (high_io_address_operand): Ditto.
380         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
381         (enabled, movhi_sp_r): Use them.
382         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
383         cpp_define_formatted to built-in define __AVR_ARCH__.
384         (__AVR_XMEGA__): New built-in define.
385         (__AVR_HAVE_RAMPD__): New built-in define.
386         (__AVR_HAVE_RAMPX__): New built-in define.
387         (__AVR_HAVE_RAMPY__): New built-in define.
388         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
389
390         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
391         (avr_option_override): Initialize them.
392         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
393         (avr_init_expanders): Initialize them. No more block several calls.
394         (emit_push_sfr): New static function.
395         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
396         Handle AVR_XMEGA.
397         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
398         (avr_print_operand): Print addreeses as symbols for
399         RAMPX, RAMPY, RAMPD, CCP.
400         (output_movhi): Handle AVR_XMEGA when writing to SP.
401         (avr_out_movhi_mr_r_xmega): New static function.
402         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
403         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
404         __RAMPD__,  __CCP__ as needed.
405
406         * config/avr/multilib.h: Regenerate.
407         * config/avr/t-multilib: Regenerate.
408         * config/avr/avr-tables.opt: Regenerate.
409
410 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
411
412         PR tree-optimization/50561
413         * graphite-flattening.c (lst_project_loop): Do not
414         remove old scattering dimensions after flattening.
415         (lst_do_flatten): Likewise.
416
417 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
418
419         * doc/extend.texi (AVR Built-in Functions): Remove doc for
420         __builtin_avr_map8, __builtin_avr_map16.
421         Document __builtin_avr_insert_bits.
422
423         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
424         (insert_bits): New insn.
425         (adjust_len.map_bits): Rename to insert_bits.
426         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
427         * avr-protos.h (avr_out_map_bits): Remove.
428         (avr_out_insert_bits, avr_has_nibble_0xf): New.
429         * config/avr/constraints.md (Cxf,C0f): New.
430         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
431         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
432         New built-in define __BUILTIN_AVR_INSERT_BITS.
433         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
434         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
435         (avr_move_bits): Rewrite.
436         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
437         functions.
438         (avr_map_op_t): New typedef.
439         (avr_map_op): New static variable.
440         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
441         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
442         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
443         (bdesc_3arg, avr_expand_triop_builtin): New.
444         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
445         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
446         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
447         (avr_map_equal_p, avr_map_sig_p): Remove.
448         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
449         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
450         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
451         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
452         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
453         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
454
455 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
456
457         * config/c6x/c6x.md (reserve_cycles): New attribute.
458         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
459         don't reserve functional units after the branch occurs.
460
461 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
462
463         PR middle-end/52142
464         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
465         functions into non-tm_pure functions.
466
467 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
468
469         PR lto/52178
470         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
471         (iterative_hash_canonical_type): Likewise.
472         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
473         the dead edges.
474
475 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
476
477         * haifa-sched.c (prune_ready_list): Ensure that if there is a
478         sched-group insn, it either remains alone or the entire list is pruned.
479
480 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
481
482         * doc/install.texi (Prerequisites): Fix grammar.
483         (Configuration): Likewise.
484
485 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
486
487         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
488         MPC as part of GCC before describing configuring with --with-gmp etc.
489         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
490         sources are present.
491
492 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
493
494         PR debug/51950
495         * dwarf2out.c (clone_tree_hash): New function.
496         (copy_decls_walk): Use it instead of clone_tree.
497
498 2012-02-14  Richard Guenther  <rguenther@suse.de>
499
500         PR tree-optimization/52244
501         PR tree-optimization/51528
502         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
503         replacements for integral types.
504
505 2012-02-14  Walter Lee  <walt@tilera.com>
506
507         * config.gcc: Handle tilegx and tilepro.
508         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
509         tilegx and tilepro.
510         Add HAVE_AS_TLS check for tilegx and tilepro.
511         * configure: Regenerate.
512         * doc/contrib.texi: Add Mat Hostetter and self.
513         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
514         Document instruction intrinsics and network accessing intrinsics.
515         (TILEPro Built-in Functions): New node.  Document instruction
516         intrinsics and network accessing intrinsics.
517         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
518         (Specific, tilepro-*-linux*): Likewise.
519         * doc/invoke.texi (TILE-Gx Options): New section.
520         (TILEPro Options): New section.
521         * doc/md.texi (TILE-Gx): New section.
522         (TILEPro): New section.
523         * common/config/tilegx/tilegx-common.c: New file.
524         * common/config/tilepro/tilepro-common.c: New file.
525         * config/tilegx/constraints.md: New file.
526         * config/tilegx/linux.h: New file.
527         * config/tilegx/mul-tables.c: New file.
528         * config/tilegx/predicates.md: New file.
529         * config/tilegx/sync.md: New file.
530         * config/tilegx/t-tilegx: New file.
531         * config/tilegx/tilegx-builtins.h: New file.
532         * config/tilegx/tilegx-c.c: New file.
533         * config/tilegx/tilegx-generic.md: New file.
534         * config/tilegx/tilegx-modes.def: New file.
535         * config/tilegx/tilegx-multiply.h: New file.
536         * config/tilegx/tilegx-protos.h: New file.
537         * config/tilegx/tilegx.c: New file.
538         * config/tilegx/tilegx.h: New file.
539         * config/tilegx/tilegx.md: New file.
540         * config/tilegx/tilegx.opt: New file.
541         * config/tilepro/constraints.md: New file.
542         * config/tilepro/gen-mul-tables.cc: New file.
543         * config/tilepro/linux.h: New file.
544         * config/tilepro/mul-tables.c: New file.
545         * config/tilepro/predicates.md: New file.
546         * config/tilepro/t-tilepro: New file.
547         * config/tilepro/tilepro-builtins.h: New file.
548         * config/tilepro/tilepro-c.c: New file.
549         * config/tilepro/tilepro-generic.md: New file.
550         * config/tilepro/tilepro-modes.def: New file.
551         * config/tilepro/tilepro-multiply.h: New file.
552         * config/tilepro/tilepro-protos.h: New file.
553         * config/tilepro/tilepro.c: New file.
554         * config/tilepro/tilepro.h: New file.
555         * config/tilepro/tilepro.md: New file.
556         * config/tilepro/tilepro.opt: New file.
557
558 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
559
560         PR tree-optimization/52210
561         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
562         vect_model_simple_cost with two entry vect_def_type array instead
563         of an address of dt.
564
565 2012-02-14  Richard Guenther  <rguenther@suse.de>
566
567         PR lto/52178
568         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
569         Do not stream DECL_QUALIFIER.
570         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
571         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
572         (find_decls_types_r): Do not walk DECL_QUALIFIER.
573
574 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
575
576         PR c/52181
577         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
578         newdecl.
579
580 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
581
582         PR bootstrap/52172
583         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
584         * cselib.c (cselib_subst_to_values_from_insn): New function.
585         * sched-deps.c (add_insn_mem_dependence,
586         sched_analyze_1, sched_analyze_2): Use it.
587
588 2012-02-13  Jan Hubicka  <jh@suse.cz>
589
590         PR middle-end/52214
591         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
592
593 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
594
595         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
596         (GTM_SELF_SPECS): Define if not already defined.
597         (driver_self_specs): Add GTM_SELF_SPECS.
598         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
599         (GTM_SELF_SPECS): Define.
600         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
601         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
602
603 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
604
605         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
606         away if seen.
607
608         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
609
610         PR middle-end/52230
611         * omp-low.c (expand_omp_for): If a static schedule without chunk size
612         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
613
614 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
615
616         PR c/52190
617         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
618
619 2012-02-13  Richard Guenther  <rguenther@suse.de>
620
621         PR translation/52211
622         * passes.c (enable_disable_pass): Fix typo.
623
624 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
625
626         PR middle-end/52209
627         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
628         XOR for reduce_bit_field if type is unsigned.
629
630 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
631
632         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
633         disallow changes from SFmode to mode with different size in FP regs.
634
635 2012-02-12  Robert Millan  <rmh@gnu.org>
636             Gerald Pfeifer <gerald@pfeifer.com>
637
638         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
639         Tweak comment.
640
641 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
642
643         PR rtl-optimization/52175
644         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
645         to frame-related instructions.
646
647 2012-02-10  Jason Merrill  <jason@redhat.com>
648
649         PR c++/51910
650         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
651         (demangle_new_symbols): Fill it.
652         (scan_linker_output): Walk it.
653         (start_tweaking): Split out from scan_linker_output.
654         (maybe_tweak): Update sym->chosen.
655         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
656
657 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
658
659         PR debug/52132
660         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
661
662 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
663
664         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
665         having the same mode as previous compare.
666
667 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
668
669         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
670         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
671         (nonlocal_goto_internal): Likewise.
672         (nonlocal_goto): Emit a use and an indirect jump directly.
673
674 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
675
676         PR c/52190
677         * doc/extend.texi : Update comments for __atomic_compare_exchange and
678         __atomic_{is,always}_lock_free.
679
680 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
681
682         PR target/52146
683         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
684         negative constant address for x32.
685
686 2012-02-10  Richard Henderson  <rth@redhat.com>
687
688         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
689         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
690         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
691
692 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
693             Ira Rosen  <irar@il.ibm.com>
694
695         PR tree-optimization/50031
696         * targhooks.c (default_builtin_vectorization_cost): Handle
697         vec_promote_demote.
698         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
699         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
700         all types of reduction and pattern statements.
701         (vect_estimate_min_profitable_iters): Likewise.
702         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
703         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
704         for explicit realigns.
705         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
706         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
707         vec_promote_demote.
708         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
709         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
710         vec_perm for VSX and handle vec_promote_demote.
711
712 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
713
714         PR middle-end/52177
715         * builtins.c (fold_builtin_atomic_always_lock_free,
716         expand_builtin_atomic_always_lock_free,
717         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
718         Return and/or test boolean_true_node/boolean_false_node instead of
719         integer_one_node/integer_zero_node.
720
721 2012-02-10  Jan Hubicka  <jh@suse.cz>
722
723         PR middle-end/48600
724         * predict.c (predict_paths_for_bb): Prevent looping.
725         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
726
727 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
728
729         * config/arm/arm.c (output_move_double): In one case properly
730         count number of instructions that will be emitted.
731
732 2012-02-10  Richard Guenther  <rguenther@suse.de>
733
734         PR translation/52193
735         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
736
737 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
738
739         PR middle-end/52140
740         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
741
742 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
743
744         PR debug/52165
745         * var-tracking.c (emit_note_insn_var_location): If
746         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
747         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
748         non-NOTE_DURING_CALL_P insn.
749
750 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
751
752         PR middle-end/51867
753         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
754
755 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
756
757         PR driver/48524
758         * gcc.c (switch_matches) Support switches with separated form,
759         -D and -U.
760
761 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
762
763         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
764         (SP_ADDR): Ditto.
765         (RAMPZ_ADDR): Ditto.
766         * config/avr/avr.c (avr_addr_t): New typedef.
767         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
768         (avr_init_expanders): Initialize it.
769         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
770         SREG_ADDR.
771         (expand_epilogue): Ditto.
772         (avr_print_operand): Ditto.
773         (avr_file_start): Ditto.
774         (avr_emit_movmemhi): Ditto.
775
776 2012-02-08  Richard Guenther  <rguenther@suse.de>
777
778         PR tree-optimization/46886
779         * tree-flow.h (do_while_loop_p): Declare.
780         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
781         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
782
783 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
784
785         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
786         always succeed for integers larger than a native word.
787
788 2012-02-08  Richard Guenther  <rguenther@suse.de>
789
790         PR rtl-optimization/52170
791         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
792         properly handle integer vector modes.
793
794 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
795
796         PR gcov-profile/52150
797         * coverage.c: Include target.h.
798         (build_var): Call targetm.strip_name_encoding on the assembler name.
799         Change one _ into . or $ if the target allows it.
800         * Makefile.in (coverage.o): Depend on $(TARGET_H).
801
802         PR rtl-optimization/52139
803         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
804         is a BARRIER after emit_insn_after_noloc, move BB_END
805         to the last non-BARRIER insn before it.
806
807 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
808
809         PR middle-end/24306
810         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
811         (mips_gimplify_va_arg_expr): Call it instead of
812         std_gimplify_va_arg_expr.
813
814 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
815
816         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
817         message for -mno-pointers-to-nested-function.
818
819 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
820
821         PR middle-end/51994
822         * expr.c (get_inner_reference): If there is an offset, add a negative
823         bit position to it (if any).
824
825 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
826
827         PR rtl-optimization/52060
828         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
829         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
830         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
831         and/or i0src_copy2 when needed.
832
833 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
834
835         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
836         or LTOPLUGINSONAME if have_c.
837
838         * config/freebsd-spec.h: Add comment about what macros can be defined
839         in this header.
840         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
841         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
842         here instead.
843
844 2012-02-07  Richard Guenther  <rguenther@suse.de>
845
846         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
847         newline in -alias dumps.
848
849 2012-02-07  Kai Tietz  <ktietz@redhat.com>
850             Dave Korn  <dave.korn.cygwin@gmail.com>
851
852         PR target/40068
853         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
854         Take care that typinfo gets dllexport-attribute.
855
856 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
857
858         PR middle-end/52074
859         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
860         if modifier < EXPAND_SUM call force_operand on the result.
861
862 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
863
864         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
865         adding __forwarder_dst__ prefix if a forwarder_section attribute is
866         present.
867         (epiphany_function_type): Replace types for specific interrupts with
868         EPIPHANY_FUNCTION_INTERRUPT.
869         (EPIPHANY_INTERRUPT_P): Update.
870         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
871         New static function.
872         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
873         <disinterrupt>: Affects type identity.
874         (epiphany_handle_interrupt_attribute): Handle variable number of
875         arguments.
876         (epiphany_compute_function_type): Update for new
877         epiphany_function_type definition.
878         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
879         handlers with a longcall forwarder.
880         (epiphany_start_function): Handle multiple interrupt arguments and/or
881         forwarder_section attribute.
882
883         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
884         libgloss.
885
886 2012-02-07  Alan Modra  <amodra@gmail.com>
887
888         PR target/52107
889         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
890         subregs of TFmode.
891
892 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
893
894         PR tree-optimization/50969
895         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
896         use vec_perm rather than vector_stmt.
897         (vect_model_load_cost): Likewise.
898         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
899         vec_perm to be the same as other vector statements.
900         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
901         cost of vec_perm for TARGET_VSX.
902
903 2012-02-06  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/52115
906         * tree-sra.c (access_has_replacements_p): New function.
907         (sra_modify_assign): Use it to decide whether a use is uninitialized.
908
909 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
910
911         PR middle-end/52047
912         * trans-mem.c (expand_call_tm): Add an assertion.
913         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
914         functions.
915
916 2012-02-06  Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/50955
919         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
920         raise cost of expressions that replace an address with an
921         expression based on a different pointer.
922
923 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
924
925         PR target/52129
926         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
927         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
928
929 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
930
931         PR c++/48680
932         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
933         -Weffc++ and specify guidelines come from second edition.
934
935 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
936
937         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
938         (sibcall_value_multiple_internal, call_split, call_internal_direct)
939         (call_direct_split, call_value_split, call_value_internal_direct)
940         (call_value_direct_split, call_value_multiple_split): Use jal and
941         jal_macro attributes.
942
943 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
944
945         * reload1.c (reload_regs_reach_end_p): Replace with...
946         (reload_reg_rtx_reaches_end_p): ...this function.
947         (new_spill_reg_store): Update commentary.
948         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
949         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
950         before setting new_spill_reg_store.
951         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
952         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
953         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
954         for non-spill reload registers.
955
956 2012-02-05  Ira Rosen  <irar@il.ibm.com>
957
958         PR tree-optimization/52091
959         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
960         (vect_is_simple_use_1): Likewise.
961         * tree-vect-loop.c (vectorizable_reduction): Update calls
962         to vect_is_simple_use_1 and vect_is_simple_use.
963         (vectorizable_live_operation): Likewise.
964         * tree-vect-patterns.c (widened_name_p,
965         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
966         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
967         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
968         vectorizable_shift,vectorizable_operation, vectorizable_store,
969         vectorizable_load): Likewise.
970         (vect_is_simple_cond): Add an argument, pass it to
971         vect_is_simple_use_1.
972         (vectorizable_condition): Update calls to vect_is_simple_cond,
973         vect_is_simple_use.
974         (vect_is_simple_use): Add an argument, the statement in which
975         OPERAND is used.  Check that if OPERAND's def stmt is a double
976         reduction phi node, the use is a phi node too.
977         (vect_is_simple_use_1): Add an argument, pass it to
978         vect_is_simple_use.
979         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
980         to vect_is_simple_use.
981
982 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
983
984         PR rtl-optimization/52095
985         * modulo-sched.c (dump_insn_locator): New function.
986         (loop_canon_p, sms_schedule): Use it.
987
988         PR rtl-optimization/52113
989         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
990         even for decomposable shift/zext insns.
991
992 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
993             Zdenek Dvorak  <ook@ucw.cz>
994
995         PR rtl-optimization/52092
996         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
997         on get_iv_value result.
998
999 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1000
1001         PR middle-end/47982
1002         PR middle-end/43967
1003         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1004
1005 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR middle-end/48071
1008         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1009
1010 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1011
1012         PR rtl-optimization/49800
1013         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1014         (sched_finish): Call regstat_free_n_sets_and_refs.
1015
1016 2012-02-02  Jia Liu  <proljc@gmail.com>
1017
1018         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1019         than operand 2.
1020
1021 2012-02-02  Jan Hubicka  <jh@suse.cz>
1022             Tom de Vries  <tom@codesourcery.com>
1023
1024         PR middle-end/51998
1025         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1026         * varpool.c (varpool_analyze_pending_decls): Likewise.
1027
1028 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1029             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1030
1031         * config.gcc: Add cr16-* support.
1032
1033         * doc/extend.texi: Document cr16 extensions.
1034         * doc/install.texi: Document cr16 install.
1035         * doc/invoke.texi: Document cr16 options.
1036         * doc/md.texi: Document cr16 constraints.
1037
1038         * common/config/cr16/cr16-common.c: New file.
1039         * config/cr16/cr16.c: New file.
1040         * config/cr16/cr16.h: New file.
1041         * config/cr16/cr16.md: New file.
1042         * config/cr16/cr16.opt: New file.
1043         * config/cr16/cr16-protos.h: New file.
1044         * config/cr16/predicates.md: New file.
1045         * config/cr16/constraints.md: New file.
1046         * config/cr16/t-cr16: New file.
1047
1048 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR target/52086
1051         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1052         that operands[2] is either immediate, or q_regs_operand.
1053
1054         PR tree-optimization/52073
1055         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1056         a pattern stmt for pattern uses, ignore uses outside of the loop.
1057
1058 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1059
1060         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1061         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1062         (OUT_AS1, OUT_AS2): Remove.
1063
1064 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1065
1066         PR rtl-optimization/51374
1067         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1068         to cross other volatile_refs_p insns.
1069
1070 2012-02-01  Richard Guenther  <rguenther@suse.de>
1071
1072         * doc/invoke.texi (fno-inline): Clarify documentation.
1073         (finline-small-functions): Likewise.
1074         (finline-functions): Likewise.
1075         * common.opt (finline): Adjust comment and documentation.
1076         (finline-small-functions): Clarify documentation.
1077         (finline-functions): Likewise.
1078         (finline-functions-called-once): Likewise.
1079
1080 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1081
1082         * c-typeck.c (composite_type): Keep mode for pointers.
1083
1084 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1085
1086         * function.h (regno_reg_rtx): Adjust comment.
1087         * reginfo.c (init_reg_modes_target): Only use the previous mode
1088         if it fits within one register.  Remove MIPS comment.
1089
1090 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1091
1092         PR bootstrap/52058
1093         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1094
1095 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1096
1097         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1098         to srak instruction.
1099
1100 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1101
1102         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1103
1104 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1105
1106         PR bootstrap/52041
1107         PR bootstrap/52039
1108         PR target/51974
1109         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1110
1111 2012-01-31  Richard Guenther  <rguenther@suse.de>
1112
1113         PR tree-optimization/51528
1114         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1115         assigns.
1116
1117 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1118
1119         PR bootstrap/52041
1120         PR bootstrap/52039
1121         PR target/51974
1122         * ree.c (add_removable_extension): Change def_map argument
1123         to unsigned *, store in def_map 1 + offset into *insn_list vector
1124         instead of pointers into the vector.
1125         (find_removable_extensions): Adjust caller.
1126
1127 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1128
1129         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1130         Transform all "* quoted-c-code" to { c-code }.
1131         Remove redundant test for "optimize" in combine patterns.
1132         Move (include "avr-dimode.md") to end of file.
1133
1134 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1135
1136         PR target/51835
1137         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1138         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1139
1140 2012-01-30  Richard Guenther  <rguenther@suse.de>
1141
1142         PR tree-optimization/52028
1143         * tree-loop-distribution.c (ldist_gen): Properly update
1144         virtual SSA form.
1145
1146 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR debug/52027
1149         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1150         set_cur_line_info_table if not emitting debug info.
1151
1152         PR tree-optimization/52046
1153         * tree-vect-patterns.c (check_bool_pattern): Give up if
1154         a comparison could throw.
1155
1156         PR debug/52048
1157         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1158
1159 2012-01-30  Richard Guenther  <rguenther@suse.de>
1160
1161         PR tree-optimization/52045
1162         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1163         SSA form if cfgcleanup did anything.
1164
1165 2012-01-30  Richard Guenther  <rguenther@suse.de>
1166
1167         PR tree-optimization/52045
1168         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1169         before computing final todo.
1170
1171 2012-01-30  Richard Guenther  <rguenther@suse.de>
1172
1173         PR tree-optimization/51528
1174         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1175         for PR51528 fix.
1176
1177 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1178
1179         * df-problems.c (df_kill_notes): Check that the use refers
1180         to the note under examination.
1181
1182 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1183
1184         PR target/51920
1185         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1186         parameter and use short-lived pseudos.
1187         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1188         (sparc_expand_vector_init): Const-ify local variables and adjust
1189         calls to above functions.
1190
1191 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1192
1193         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1194
1195 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1196
1197         * doc/invoke.texi: Make usage of "compile time" and
1198         "run time"/"runtime" consistent throughout the file.
1199
1200 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1201
1202         * config/alpha/alpha.c (alpha_option_override): Default to
1203         full IEEE compliance mode for Go language.
1204
1205 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1206
1207         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1208         (LINK_SSP_SPEC): Define.
1209
1210 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1211
1212         PR target/51871
1213         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1214         stubs.
1215
1216 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1217
1218         * doc/invoke.texi: Correct hyphenation of "floating point",
1219         "double precision", and related terminology throughout the file.
1220
1221 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR target/52006
1224         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1225         arm_general_register_operand predicate for operand 2 instead of
1226         register_operand.
1227
1228 2012-01-27  Ian Lance Taylor  <iant@google.com>
1229
1230         PR go/47656
1231         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1232         * builtins.c (expand_builtin_init_trampoline): Add onstack
1233         parameter.  Change caller.
1234         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1235         * tree.c (build_common_builtin_nodes): Declare
1236         __builtin_init_heap_trampoline.
1237
1238 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1239
1240         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1241         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1242         * config/avr/avr.c: Ditto.
1243         (avr_regnames): Remove because unused.
1244         * config/avr/avr.md (*cpse.ne): New peephole.
1245         (*cpse.eq): New peephole from former cpse peepholes.
1246
1247 2012-01-27  Michael Eager  <eager@eagercon.com>
1248
1249         * config/microblaze.c (microblaze_emit_compare): Correct
1250         test after pcmp instruction.
1251
1252 2012-01-27  Richard Guenther  <rguenther@suse.de>
1253
1254         PR tree-optimization/52020
1255         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1256
1257 2012-01-27  Richard Guenther  <rguenther@suse.de>
1258
1259         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1260         function non-const/pure.
1261
1262 2012-01-27  Richard Guenther  <rguenther@suse.de>
1263
1264         PR tree-optimization/50444
1265         * tree-sra.c (build_ref_for_offset): Properly adjust the
1266         MEM_REF type for unaligned accesses.
1267
1268 2012-01-27  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/50444
1271         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1272         (expand_assignment): Use it.  Properly handle misaligned
1273         bases when expanding stores to component references.
1274         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1275         refactor that case.
1276
1277 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1278
1279         PR middle-end/51389
1280         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1281         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1282         * tree-data-ref.c (find_data_references_in_loop): Make static.
1283         (compute_all_dependences): Change return type to bool.  Bail out
1284         for too many datarefs in a loop.  Move the hunk resetting the data
1285         dependences vector from ...
1286         (compute_data_dependences_for_loop): ... here.  Account for
1287         compute_all_dependences returning false.
1288         (compute_data_dependences_for_bb): Likewise.
1289         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1290         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1291
1292 2012-01-27  Richard Guenther  <rguenther@suse.de>
1293
1294         PR middle-end/51959
1295         * expr.c (store_field): Use the alias-set of the scratch memory
1296         for storing to it.
1297
1298 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1299
1300         PR tree-optimization/51990
1301         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1302         WITH_SIZE_EXPR.
1303         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1304
1305 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR debug/52001
1308         * var-tracking.c (reverse_op): Don't add any reverse operation
1309         if V already has any constant locations.
1310
1311 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1312
1313         * doc/invoke.texi: Correct usage of "command line" (noun)
1314         vs "command-line" (adjective) throughout.
1315
1316 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1317
1318         * doc/invoke.texi (Language Independent Options): Move
1319         -Wcoverage-mismatch blurb from here....
1320         (Warning Options): ...to here.
1321
1322 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1323
1324         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1325         Set rs6000_always_hint to false for 476.
1326
1327 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1328
1329         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1330           system root.
1331         * incpath.c (add_standard_paths): Likewise.
1332
1333 2012-01-27  Richard Henderson  <rth@redhat.com>
1334
1335         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1336         * config/m68k/sync.md (atomic_test_and_set): Rename from
1337         sync_test_and_setqi and adjust the operands.
1338         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1339         and unconditionally enable.
1340
1341 2012-01-27  Richard Henderson  <rth@redhat.com>
1342
1343         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1344         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1345         (ldstub): Rename from ldstubqi.
1346         (ldstub<I24MODE>): Remove.
1347
1348 2012-01-27  Richard Henderson  <rth@redhat.com>
1349
1350         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1351         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1352         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1353         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1354         * doc/tm.texi: Rebuild.
1355
1356 2012-01-27  Richard Henderson  <rth@redhat.com>
1357
1358         * optabs.c (gen_atomic_test_and_set): Remove default.
1359         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1360
1361 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR rtl-optimization/51978
1364         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1365         (combine_reaching_defs): Likewise.
1366         (struct re_info): Remove.
1367         (add_removable_extension): Remove x and data arguments,
1368         add insn, insn_list and def_map.  Use the arguments directly
1369         instead of using struct re_info.
1370         (find_removable_extensions): Don't call add_removable_extension
1371         through note_stores, instead just call it with single_set
1372         result if non-NULL.
1373         (find_and_remove_re): Pass curr_cand->expr instead of
1374         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1375
1376 2012-01-26  Michael Matz  <matz@suse.de>
1377
1378         PR tree-optimization/46590
1379         * cfgexpand.c: Revert last change (r183305).
1380         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1381         regs.
1382         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1383         checking for emptiness.
1384
1385 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1386
1387         PR middle-end/51895
1388         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1389         non-addressable non-BLKmode base correctly.
1390
1391 2012-01-26  Michael Matz  <matz@suse.de>
1392
1393         PR tree-optimization/48794
1394         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1395         regions referenced from RESX/EH_DISPATCH.
1396
1397 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1398
1399         * config/s390/s390.h: Make BRANCH_COST an option.
1400         * config/s390/s390.opt: New option -mbranch-cost.
1401
1402 2012-01-26  Richard Henderson  <rth@redhat.com>
1403
1404         Revert 2012-01-24 change:
1405         * trans-mem.c (requires_barrier): Do not instrument thread local
1406         variables and emit save/restore for them.
1407
1408 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR middle-end/51986
1411         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1412         for pat == 0.
1413
1414 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1415
1416         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1417         ASM_OPERANDS.
1418
1419 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1420
1421         PR target/49868
1422         Rename __pgm to __flash.
1423         Rename __pgm1 to __flash1.
1424         Rename __pgm2 to __flash2.
1425         Rename __pgm3 to __flash3.
1426         Rename __pgm4 to __flash4.
1427         Rename __pgm5 to __flash5.
1428         Rename __pgmx to __memx.
1429         * doc/extend.texi (AVR Named Address Spaces)
1430         Rename address space names as indicated above.
1431         * config/avr/avr.c (avr_addrspace): Ditto.
1432
1433         * config/avr/avr-protos.h
1434         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1435         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1436         * config/avr/predicates.md: Ditto.
1437         * config/avr/avr.c Ditto, and
1438         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1439         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1440
1441         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1442         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1443         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1444         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1445         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1446         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1447         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1448         * config/avr/avr.c: Ditto.
1449         * config/avr/avr.md: Ditto.
1450
1451 2012-01-25  Jason Merrill  <jason@redhat.com>
1452
1453         PR c++/51992
1454         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1455
1456 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1457
1458         PR tree-optimization/51987
1459         * tree-data-ref.c (get_references_in_stmt): Handle references in
1460         non-volatile GIMPLE_ASM.
1461
1462 2012-01-25  Richard Guenther  <rguenther@suse.de>
1463
1464         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1465         bases are dereferenced.
1466
1467 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1468
1469         PR rtl-optimization/48374
1470         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1471
1472 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1473
1474         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1475         compute_data_dependences_for_loop returns false.
1476         * tree-parloops.c (loop_parallel_p): Likewise.
1477
1478 2012-01-25  Richard Guenther  <rguenther@suse.de>
1479
1480         * tree.h (get_pointer_alignment_1): Declare.
1481         * builtins.c (get_pointer_alignment_1): New function.
1482         (get_pointer_alignment): Use it.
1483
1484 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1485
1486         PR rtl-optimization/48308
1487         * combine.c (enum undo_kind): Add UNDO_LINKS.
1488         (struct undo): Add member l to other_contents and where.
1489         (do_SUBST_LINK): New.
1490         (SUBST_LINK): New.
1491         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1492         (undo_all): Handle UNDO_LINKS.
1493
1494 2012-01-25  Richard Henderson  <rth@redhat.com>
1495
1496         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1497         mem inputs.
1498
1499 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1500
1501         * optabs.c (gen_atomic_test_and_set): Use each argument.
1502
1503 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1504
1505         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1506         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1507         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1508         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1509         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1510         TARGET_PAIRED_SINGLE_FLOAT.
1511
1512 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1513
1514         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1515         (in_struct, return_val): Remove MEM documentation.
1516         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1517         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1518         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1519         and MEM_SCALAR.
1520         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1521         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1522         * expr.c (store_field): Likewise.
1523         * function.c (assign_stack_temp_for_type): Likewise.
1524         * ifcvt.c (noce_try_cmove_arith): Likewise.
1525         * reload1.c (reload): Likewise.
1526         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1527         (alpha_set_memflags): Likewise.
1528         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1529
1530 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1531
1532         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1533         parameter.
1534         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1535         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1536         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1537         varies parameter.
1538         * cselib.c (cselib_rtx_varies_p): Delete.
1539         (cselib_invalidate_mem): Update call to canon_true_dependence.
1540         * dse.c (record_store, check_mem_read_rtx): Likewise.
1541         (scan_reads_nospill): Likewise.
1542         * cse.c (check_dependence): Likewise.
1543         (cse_rtx_varies_p): Delete.
1544         * expr.c (safe_from_p): Update call to true_dependence.
1545         * ira.c (validate_equiv_mem_from_store): Likewise.
1546         (memref_referenced_p): Likewise.
1547         * postreload-gcse.c (find_mem_conflicts): Likewise.
1548         * sched-deps.c (sched_analyze_2): Likewise.
1549         * store-motion.c (load_kills_store): Likewise.
1550         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1551         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1552         (compute_transp): Update call to canon_true_dependence.
1553
1554 2012-01-25  Richard Henderson  <rth@redhat.com>
1555
1556         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1557         (maybe_emit_atomic_test_and_set): New.
1558         (expand_sync_lock_test_and_set): Use it.
1559         (expand_atomic_test_and_set): Likewise.
1560         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1561         the implementation; clarify implementation defined details.
1562         * doc/md.texi (atomic_test_and_set): Document.
1563
1564 2012-01-25  Richard Henderson  <rth@redhat.com>
1565
1566         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1567
1568 2012-01-25  Richard Henderson  <rth@redhat.com>
1569
1570         PR target/51968
1571         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1572         to effect no-op split.
1573
1574 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1575
1576         PR lto/51698
1577         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1578         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1579         (BT_FN_VOID_PTR_INT_SIZE): New.
1580         (BT_FN_UINT_UINT_VAR): Remove.
1581         (BT_FN_UINT32_UINT32_VAR): New.
1582         (BT_FN_DOUBLE_VPTR): Remove.
1583         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1584
1585         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1586         (_ITM_changeTransactionMode): Same.
1587         (_ITM_memmoveRtWt): Change return type to void.
1588         (_ITM_memcpyRtWt): Same.
1589         (_ITM_memsetW): Same.
1590         (_ITM_RaRD): Change types to double.
1591         (_ITM_RD): Same.
1592         (_ITM_RaWD): Same.
1593         (_ITM_RfWD): Same.
1594
1595         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1596
1597 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1598             Patrick Marlier  <patrick.marlier@gmail.com>
1599
1600         * trans-mem.c (requires_barrier): Do not instrument thread local
1601         variables and emit save/restore for them.
1602
1603 2012-01-24  Jason Merrill  <jason@redhat.com>
1604
1605         PR c++/51812
1606         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1607         output static aliases.
1608
1609 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1610
1611         PR driver/47249
1612         * common.opt (-pie, -shared, pie, shared): Change from Common to
1613         Driver.
1614         * gcc.c (display_help): Display help for -pie and -shared.
1615
1616 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1617
1618         PR target/49868
1619         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1620         Remove note on size/offset limitation.
1621         (AVR Variable Attributes): Add example how to read data located
1622         with progmem.  Refer to named address spaces.
1623         * doc/invoke.texi (AVR Options): Fix typo.
1624
1625 2012-01-24  Richard Guenther  <rguenther@suse.de>
1626
1627         Forward-port to trunk
1628         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1629
1630         PR middle-end/45678
1631         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1632         op0 isn't sufficiently aligned and there is movmisalignM
1633         insn for mode, use it to load op0 into a temporary register.
1634
1635 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1636
1637         PR target/51957
1638         * target.def (const_not_ok_for_debug_p): New hook.
1639         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1640         documentation.
1641         * doc/tm.texi: Regenerated.
1642         * dwarf2out.c (const_ok_for_output_1): If
1643         targetm.const_not_ok_for_debug_p returns true, fail.
1644         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1645         function.
1646         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1647
1648 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1649
1650         PR target/51900
1651         * config/i386/predicates.md (symbolic_operand): Allow
1652         UNSPEC_PCREL as PIC expression for lea.
1653         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1654         * config/i386/i386.c (ix86_delegitimize_address): Handle
1655         UNSPEC_PCREL for none-MEM, too.
1656
1657 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1658
1659         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1660         (ipa_tm_create_version_alias): Same.
1661
1662 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1663
1664         PR libitm/51830
1665         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1666         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1667
1668 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1669             Patrick Marlier  <patrick.marlier@gmail.com>
1670             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1671
1672         PR lto/51916
1673         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1674         simple_object_start_read.
1675
1676 2012-01-23  Richard Guenther  <rguenther@suse.de>
1677
1678
1679         PR tree-optimization/51895
1680         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1681         parameter decomposition into BLKmode components.
1682
1683 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1684
1685         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1686         fake variables for restrict-qualified pointers whose pointed-to type
1687         contains a placeholder.
1688
1689 2012-01-23  Richard Guenther  <rguenther@suse.de>
1690
1691         PR tree-optimization/51949
1692         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1693
1694 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1695
1696         PR rtl-optimization/51933
1697         * ree.c (transform_ifelse): Return true right away if dstreg is
1698         already wider or equal to cand->mode.
1699         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1700         (make_defs_and_copies_lists): Remove defs_list and copies_list
1701         arguments, add state argument, just truncate state->work_list
1702         instead of always allocating and freeing the vector.  Assert that
1703         get_defs succeeds instead of returning 2.  Changed return type to bool.
1704         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1705         have ext_src_mode, see if it has been modified already with the
1706         right kind of extension and has been extended before from the
1707         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1708         just return true.  Remember the original mode in state->modified array.
1709         (combine_reaching_defs): Add state argument.  Don't allocate and
1710         free here def_list, copied_list and vec vectors, instead just
1711         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1712         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1713         Add state variable, clear vectors in it, initialize state.modified
1714         if needed.  Free all the vectors at the end and state.modified too.
1715         Don't skip a candidate if the extension expression has been modified.
1716
1717 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1718
1719         PR target/47096
1720         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1721          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1722         (extra_options) interix.opt -> i386/interix.opt"
1723         (extra_objs):Add winnt-stubs.o
1724         * configure.ac: Add interix to target_os .comm on PE check.
1725         * configure: Regenerate.
1726         * config/interix3.h: Delete and move bits to..
1727         * config/interix.h: Delete and move bits to..
1728         * config/i386/i386-interix3.h: Delete and move bits to..
1729         * config/i386/i386-interix.h: ..here.
1730         (TARGET_CPU_DEFAULT): Remove redefinition.
1731         (TARGET_ASM_CONSTRUCTOR): Undefine.
1732         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1733         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1734         (PTRDIFF_TYPE): Define.
1735         (LONG_DOUBLE_TYPE_SIZE): Define.
1736         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1737         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1738         (TARGET_SECTION_TYPE_FLAGS): Define.
1739         (ASM_DECLARE_FUNCTION_NAME): Define.
1740         (ASM_OUTPUT_EXTERNAL): Define.
1741         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1742         (ASM_OUTPUT_ALIGNED_BSS): Define.
1743         (PCC_BITFIELD_TYPE_MATTERS): Define.
1744         (USE_CONST_SECTION): Define.
1745         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1746         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1747         (SUPPORTS_ONE_ONLY): Remove.
1748         (I386_PE_STRIP_ENCODING): Define.
1749         * config/interix.opt: Delete and move bits to..
1750         * config/i386/interix.opt: ..here. New.
1751         (mpe-aligned-commons): Add.
1752         * config/i386/t-interix: Add copyright header.
1753         (winnt-stubs.o): Add rule.
1754
1755 2012-01-22  Jason Merrill  <jason@redhat.com>
1756
1757         PR c++/51832
1758         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1759         for extra name aliases.
1760
1761 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1762
1763         PR rtl-optimization/51924
1764         * ree.c (combine_set_extension): Improve debugging message.
1765         (combine_reaching_defs): Likewise.
1766         (get_defs): Rename confusingly named variable.
1767         (find_and_remove_re): Skip a candidate if the extension expression has
1768         been modified.
1769
1770 2012-01-21  Robert Millan  <rmh@gnu.org>
1771             Gerald Pfeifer  <gerald@pfeifer.com>
1772
1773         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1774         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1775
1776 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1777
1778         PR tree-optimization/51914
1779         * tree-vect-stmts.c (vectorizable_conversion): For
1780         cvt_type && modifier == WIDEN, put temporary with cvt_type
1781         at the beginning of vec_dsts and set vec_dest to temporary
1782         with vectype_out.
1783
1784 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1785
1786         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1787
1788 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1789
1790         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1791         * config/rs6000/rs6000.c: Likewise.
1792
1793 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1794
1795         PR target/51915
1796         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1797         output_move_double on a copy of operands array.
1798
1799 2012-01-20  Cary Coutant  <ccoutant@google.com>
1800             Dodji Seketeli  <dodji@redhat.com>
1801
1802         PR debug/45682
1803         * dwarf2out.c (copy_declaration_context): Return ref to parent
1804         of declaration DIE, if necessary.
1805         (remove_child_or_replace_with_skeleton): Add new parameter; update
1806         caller.  Place skeleton DIE under parent DIE of original declaration.
1807         Move call to copy_declaration_context to here ...
1808         (break_out_comdat_types): ... from here.
1809
1810 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1811
1812         PR rtl-optimization/51856
1813         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1814         flag to reloaded.
1815
1816 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1817
1818         PR target/51819
1819         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1820         hints for neon loads and stores.
1821
1822 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1823
1824         PR target/49868
1825         PR target/50887
1826         * doc/extend.texi (Named Address Spaces): Split into subsections.
1827         (AVR Named Address Spaces): New subsection.
1828         (M32C Named Address Spaces): New subsection.
1829         (RL78 Named Address Spaces): New subsection.
1830         (SPU Named Address Spaces): New subsection.
1831         (Variable Attributes): New anchor "AVR Variable Attributes".
1832         (AVR Variable Attributes): Rewrite and avoid wording
1833         "address space" in this context.
1834         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1835         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1836         (AVR Built-in Macros): New subsubsection therein.
1837         * doc/md.texi (AVR constraints): Remove "C04", "R".
1838
1839 2012-01-20  Richard Guenther  <rguenther@suse.de>
1840
1841         PR tree-optimization/51903
1842         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1843         when removing stmts.
1844
1845 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1846
1847         PR target/50313
1848         * config/arm/arm.c (arm_load_pic_register): Use
1849         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1850         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1851         (arm_pic_static_addr): Likewise.
1852         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1853         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1854         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1855         (pic_load_addr_unified): New.
1856
1857 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1858
1859         PR target/51106
1860         * function.c (instantiate_virtual_regs_in_insn): Use
1861         delete_insn_and_edges when removing a wrong asm insn.
1862
1863 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1864
1865         PR rtl-optimization/40761
1866         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1867         Add new member loop_num.
1868         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1869         (ira_build): Remove the parameter.
1870
1871         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1872         (ira.c): Do not build CFG loops for one region allocation.  Remove
1873         argument from ira_build call.
1874
1875         * ira-build.c (init_loop_tree_node): New function.
1876         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1877         loops are not built.
1878         (more_one_region_p): Check current_loops.
1879         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1880         built.
1881         (add_loop_to_tree): Process loop equal to NULL too.
1882         (form_loop_tree): Separate the case when CFG loops are not built.
1883         Use explicitly number for the root.
1884         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1885         an assertion.
1886         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1887         instead of loop->num.
1888         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1889         (mark_all_loops_for_removal): Ditto.
1890         (remove_unnecessary_regions): Separate the case when CFG loops
1891         are not built.
1892         (ira_build): Remove the parameter.  Use explicit number of regions
1893         when CFG loops are not built.
1894
1895         * ira-color.c (print_loop_title): Separate the case for the root node.
1896         Use loop_num instead of loop->num.
1897         (move_spill_restore): Use loop_num instead of loop->num.
1898
1899         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1900         (change_loop): Ditto.
1901         (change_loop): Use loop_num instead of loop->num.
1902
1903         * ira-lives.c (process_bb_node_lives): Ditto.
1904
1905         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1906
1907         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1908
1909 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1910
1911         PR libmudflap/40778
1912         * tree-mudflap.c (mf_artificial): New function.
1913         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1914         mx_register_decls, mudflap_enqueue_decl): Use it.
1915
1916         PR target/51876
1917         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1918         numbers in the insn pattern.
1919
1920 2012-01-19  Michael Matz  <matz@suse.de>
1921
1922         PR tree-optimization/46590
1923         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1924         use it in remembering which conflicts we already created.
1925         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1926         bitmap.
1927
1928 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1929
1930         PR lto/51280
1931         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1932         (merge_and_complain): Same.
1933
1934 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1935
1936         PR bootstrap/50237
1937         * config/initfini-array.h: Guard content of the header
1938         with #ifdef HAVE_INITFINI_ARRAY.
1939         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1940         Add initfini-array.h to tm_file here.
1941         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1942         * config.gcc: Don't add initfini-array.h to tm_file here.
1943         * configure: Regenerated.
1944
1945 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1946
1947         PR rtl-optimization/51505
1948         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1949         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1950         (df_note_bb_compute): Update the call to df_kill_notes.
1951
1952 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1953
1954         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1955
1956 2012-01-18  Richard Guenther  <rguenther@suse.de>
1957
1958         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1959         of conversions to void *.
1960
1961 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1962             Richard Sandiford  <rdsandiford@googlemail.com>
1963
1964         PR middle-end/50325
1965         PR middle-end/51192
1966         * optabs.h (simplify_expand_binop): Declare.
1967         * optabs.c (simplify_expand_binop): Make global.
1968         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1969         endian targets if the source cannot be exactly covered by word
1970         mode chunks.
1971
1972 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1973
1974         PR bootstrap/51872
1975         * hard-reg-set.h (struct hard_reg_set_container): New type.
1976         * target.h (struct hard_reg_set_container): Forward declare.
1977         * target.def (set_up_by_prologue): New target hook.
1978         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1979         * doc/tm.texi: Regenerated.
1980         * function.c (thread_prologue_and_epilogue_insns): Change
1981         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1982         Call targetm.set_up_by_prologue on it.
1983         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1984         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1985
1986 2012-01-17  Nick Clifton  <nickc@redhat.com>
1987
1988         * config/rx/rx.c (rx_can_use_simple_return): New function.
1989         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1990         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1991
1992 2012-01-17  Richard Guenther  <rguenther@suse.de>
1993
1994         PR middle-end/51782
1995         * expr.c (expand_assignment): Take address-space information
1996         from the address operand of MEM_REF and TARGET_MEM_REF.
1997         (expand_expr_real_1): Likewise.
1998
1999 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2000
2001         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2002         reload dump is requested.
2003
2004 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2005
2006         PR other/51165
2007         * trans-mem.c (requires_barrier): Call may_be_aliased.
2008
2009 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR tree-optimization/51877
2012         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2013         call arguments and fndecls compare equal, instead return false if they
2014         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2015         both SSA_NAMEs that are valueized the same, or they satisfy
2016         operand_equal_p.
2017
2018 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2019
2020         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2021         Solaris 11+.
2022         * configure: Regenerate.
2023
2024 2012-01-16  Jan Hubicka  <jh@suse.cz>
2025
2026         PR c/12245
2027         PR c++/14179
2028         * convert.c (convert_to_integer): Use fold_convert for
2029         converting an INTEGER_CST to integer type.
2030
2031 2012-01-16  Jason Merrill  <jason@redhat.com>
2032
2033         PR c++/14179
2034         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2035
2036 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2037
2038         PR bootstrap/51860
2039         * config/s390/s390.c (s390_chunkify_start): Don't skip
2040         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2041         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2042         If insn is followed by NOTE_INSN_VAR_LOCATION or
2043         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2044         Don't use location of note insns.
2045
2046         PR tree-optimization/51865
2047         * tree-inline.c (tree_function_versioning): Call remap_decl
2048         on DECL_RESULT whenever it has VOID_TYPE_P type.
2049
2050 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2051
2052         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2053         for calls to locally-binding MIPS16 functions if only the return
2054         type uses float regs.
2055
2056 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2057             Richard Sandiford  <rdsandiford@googlemail.com>
2058
2059         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2060         (SYMBOL_32_HIGH): Likewise.
2061         (mips_output_tls_reloc_directive): Declare.
2062         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2063         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2064         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2065         (mips_lo_relocs, mips_hi_relocs): Make extern.
2066         (mips16_stub_function): Move up file.
2067         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2068         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2069         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2070         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2071         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2072         (mips_get_tp): Add MIPS16 support.
2073         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2074         Generalize DTPREL and TPREL handling.
2075         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2076         Add MIPS16 TLS support.
2077         (mips_output_tls_reloc_directive): New function.
2078         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2079         * config/mips/predicates.md (symbolic_operand_with_high)
2080         (tls_reloc_operand): New predicates.
2081         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2082         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2083         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2084         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2085         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2086         (*tls_get_tp_mips16_call_<mode>): Likewise.
2087
2088 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2089
2090         PR rtl-optimization/51821
2091         * recog.c (peep2_find_free_register): Determine clobbered registers
2092         from insn pattern.
2093
2094 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2095
2096         PR target/50925
2097         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2098         * config/avr/avr.c: Likewise.
2099         * config/avr/avr.h: Likewise.
2100
2101 2012-01-13  Ian Lance Taylor  <iant@google.com>
2102
2103         PR c++/50012
2104         * tree.h (TYPE_QUALS): Add cast to int.
2105         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2106
2107 2012-01-13  Ian Lance Taylor  <iant@google.com>
2108
2109         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2110         comparing param_index to VEC_length result.
2111
2112 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2113
2114         * c-decl.c: Do not include tree-mudflap.h
2115         * tree-optimize.c: Likewise.
2116         * Makefile.in: Update dependencies.
2117
2118 2012-01-13  Richard Guenther  <rguenther@suse.de>
2119
2120         PR middle-end/8081
2121         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2122         variable-sized result always use RSO.
2123
2124 2012-01-12  DJ Delorie  <dj@redhat.com>
2125
2126         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2127         pointer type, not just the default pointer type.
2128
2129 2012-01-09  Richard Henderson  <rth@redhat.com>
2130             Denis Chertykov  <chertykov@gmail.com>
2131
2132         PR target/50925
2133         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2134         * config/avr/avr.c (avr_can_eliminate): Simplify.
2135         (avr_initial_elimination_offset): Likewise.
2136         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2137         (expand_epilogue): Likewise.
2138         (avr_legitimize_address): Gut.
2139         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2140         (avr_hard_regno_nregs): New.
2141         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2142         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2143         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2144         add soft frame pointer.
2145         (CALL_USED_REGISTERS): Likewise.
2146         (REG_CLASS_CONTENTS): Likewise.
2147         (REGISTER_NAMES): Likewise.
2148         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2149         (HARD_FRAME_POINTER_REGNUM): New.
2150         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2151         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2152         remove the HARD_FRAME_POINTER self-elimination.
2153
2154 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2155
2156         PR target/51756
2157         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2158         DECL_EXTERNAL when checking for initializers of progmem variables.
2159
2160 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2161
2162         PR tree-optimization/51799
2163         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2164         that the last operation is a type demotion.
2165
2166 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2167
2168         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2169         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2170
2171 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2172
2173         PR bootstrap/51796
2174         * combine.c (distribute_notes): If i3 is a noreturn call,
2175         allow old_size to be equal to args_size and make sure the
2176         noreturn call gets REG_ARGS_SIZE note.
2177         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2178         on noreturn calls even when the delta is 0.
2179
2180 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2181
2182         * gcov.c (STRING_SIZE): Remove.
2183         (generate_results): Erase annotations for source files with no
2184         coverage information.
2185         (read_line): New.
2186         (output_lines): Use it.
2187
2188 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2189
2190         * gimple.h (gimplify_body): Remove first argument.
2191         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2192         pointer set here, instead just pass DATA to walk_tree.
2193         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2194         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2195         (unvisit_body): Likewise, but with unmark_visited.
2196         (gimplify_body): Remove BODY_P argument and adjust.
2197         (gimplify_function_tree): Adjust call to gimplify_body.
2198         * omp-low.c (finalize_task_copyfn): Likewise.
2199
2200 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2201
2202         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2203         (build_function_type_skip_args): Delete.
2204         * tree.c (build_function_type_skip_args): Make static and add
2205         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2206         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2207         pass it to build_function_type_skip_args.
2208         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2209         (tree_function_versioning): Likewise.
2210         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2211         build_function_decl_skip_args.
2212         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2213         and pass it to build_function_decl_skip_args/tree_function_versioning.
2214         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2215         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2216         * trans-mem.c (ipa_tm_create_version): Likewise.
2217         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2218         * tree-inline.c (declare_return_variable): Remove always-true test.
2219         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2220         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2221         * ipa-split.c (split_function): Skip the return value for the split
2222         part if it doesn't return.
2223
2224 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2225
2226         PR tree-optimization/49642
2227         * ipa-split.c (forbidden_dominators): New variable.
2228         (check_forbidden_calls): New function.
2229         (dominated_by_forbidden): Likewise.
2230         (consider_split): Check for forbidden dominators.
2231         (execute_split_functions): Initialize and free forbidden
2232         dominators info; call check_forbidden_calls.
2233
2234 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2235
2236         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2237
2238 2012-01-11  Nick Clifton  <nickc@redhat.com>
2239
2240         * config/rx/rx.md (return): Define pattern.
2241
2242 2012-01-11  Richard Guenther  <rguenther@suse.de>
2243
2244         * doc/extend.texi (malloc attribute): Adjust according to
2245         implementation.
2246
2247 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2248             Patrick Marlier  <patrick.marlier@gmail.com>
2249
2250         PR middle-end/51516
2251         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2252         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2253         (ipa_tm_note_irrevocable): Same.
2254         (ipa_tm_scan_irr_block): Same.
2255         (ipa_tm_decrement_clone_counts): Same.
2256         (ipa_tm_scan_irr_function): Same.
2257         (ipa_tm_create_version_alias): Same.
2258         (ipa_tm_create_version): Same.
2259         (ipa_tm_transform_calls_redirect): Same.
2260         (ipa_tm_transform_calls): Same.
2261         (ipa_tm_transform_transaction): Same.
2262         (ipa_tm_execute): Same.
2263
2264 2012-01-10  Richard Guenther  <rguenther@suse.de>
2265
2266         PR middle-end/51806
2267         * opts.c (common_handle_option): Handle -Werror.
2268
2269 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2270
2271         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2272         operand number.
2273
2274 2012-01-10  Jason Merrill  <jason@redhat.com>
2275
2276         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2277         information.
2278
2279 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2280
2281         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2282         supports R_386_TLS_GD_PLT reloc.
2283         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2284         supports R_386_TLS_LDM_PLT reloc.
2285         * configure: Regenerate.
2286         * config.in: Regenerate.
2287
2288 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2289
2290         PR target/49868
2291         Extend __pgmx semantics to linearize memory.
2292         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2293         determine if code comes inline or from libgcc.
2294         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2295         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2296         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2297         (movmemx_qi, movmemx_hi): New insns.
2298         (xload_<mode>_libgcc): Rewrite to new insn condition.
2299         (xload_<mode>): Remove insns.
2300         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2301         cases that don't satisfy avr_xload_libgcc_p().
2302         (avr_addr_space_convert): Allow converting in any direction.
2303         (avr_addr_space_subset_p): Return always true.
2304         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2305         (avr_emit_movmemhi): Ditto.
2306         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2307         (avr_out_movmem): Ditto.
2308         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2309         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2310         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2311         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2312         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2313
2314 2012-01-10  Richard Guenther  <rguenther@suse.de>
2315
2316         PR tree-optimization/50913
2317         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2318         Require data-refs to be representable by Graphite with respect
2319         to any loop nest.
2320
2321 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2322
2323         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2324         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2325
2326 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2327
2328         PR rtl-optimization/51271
2329         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2330         handling annulled branch.
2331
2332 2012-01-10  Richard Henderson  <rth@redhat.com>
2333
2334         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2335         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2336         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2337         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2338         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2339         arm_expand_vec_perm_const): New.
2340         * config/arm/arm-protos.h: Update.
2341         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2342         (*neon_vswp<VDQX>): New.
2343         (neon_vcombine<VDX>): Use neon_split_vcombine.
2344         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2345         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2346         (vec_perm<VE>): New.
2347
2348 2012-01-10  Richard Henderson  <rth@redhat.com>
2349
2350         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2351         use it if reload_completed.
2352         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2353         arm_output_asm_insn, arm_process_output_memory_barrier,
2354         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2355         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2356         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2357         arm_process_output_sync_insn, arm_output_sync_insn,
2358         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2359         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2360         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2361         (emit_unlikely_jump): New.
2362         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2363         (arm_split_atomic_op): New.
2364         * config/arm/arm-protos.h: Update.
2365         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2366         (struct arm_sync_generator): Remove.
2367         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2368         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2369         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2370         (VUNSPEC_LL, VUNSPEC_SC): New.
2371         (sync_result, sync_memory, sync_required_value, sync_new_value,
2372         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2373         (attr length): Don't use arm_sync_loop_insns.
2374         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2375         (movsfcc, movdfcc): Likewise.
2376         * config/arm/constraints.md (Ua): New.
2377         * config/arm/prediates.md (mem_noofs_operand): New.
2378         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2379         (sync_clobber, sync_t2_reqd): Remove.
2380         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2381         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2382         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2383         (arm_sync_compare_and_swap<SIDI>): Remove.
2384         (arm_sync_compare_and_swap<NARROW>): Remove.
2385         (arm_sync_lock_test_and_set<SIDI>): Remove.
2386         (arm_sync_lock_test_and_set<NARROW>): Remove.
2387         (arm_sync_new_<syncop><SIDI>): Remove.
2388         (arm_sync_new_<syncop><NARROW>): Remove.
2389         (arm_sync_new_nand<SIDI>): Remove.
2390         (arm_sync_new_nand<NARROW>): Remove.
2391         (arm_sync_old_<syncop><SIDI>): Remove.
2392         (arm_sync_old_<syncop><NARROW>): Remove.
2393         (arm_sync_old_nand<SIDI>): Remove.
2394         (arm_sync_old_nand<NARROW>): Remove.
2395         (*memory_barrier): Merge arm_output_memory_barrier.
2396         (atomic_compare_and_swap<QHSD>): New.
2397         (atomic_compare_and_swap<NARROW>_1): New.
2398         (atomic_compare_and_swap<SIDI>_1): New.
2399         (atomic_exchange<QHSD>): New.
2400         (cas_cmp_operand, cas_cmp_str): New.
2401         (atomic_op_operand, atomic_op_str): New.
2402         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2403         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2404         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2405         (arm_load_exclusive<NARROW>): New.
2406         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2407         (arm_store_exclusive<QHSD>): New.
2408
2409 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2410
2411         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2412         reload patterns if -mvsx-scalar-memory.
2413
2414         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2415         generated, even -mno-vsx-scalar-double was used.
2416         (vsx_xscvdpsp_scalar): Likewise.
2417         (vsx_xscvspdp_scalar2): Likewise.
2418
2419 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2420             Andrew Pinski  <apinski@cavium.com>
2421
2422         PR debug/51471
2423         * reorg.c (fill_slots_from_thread): Don't speculate
2424         frame-related insns.
2425
2426 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2427
2428         * sched-int.h (bb_note): Move to...
2429         * basic-block.h: ...here.
2430         * haifa-sched.c (bb_note): Move to...
2431         * cfgrtl.c: ...here.
2432         * function.c (next_block_for_reg): New function.
2433         (move_insn_for_shrink_wrap): Likewise.
2434         (prepare_shrink_wrap): Rewrite to use the above.
2435
2436 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2437
2438         * gimple.c (is_gimple_non_addressable): Remove.
2439         * gimple.h: Remove is_gimple_non_addressable.
2440         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2441         is_gimple_non_addressable.
2442         * trans-mem.c (expand_assign_tm): Same.
2443
2444 2012-01-09  Richard Guenther  <rguenther@suse.de>
2445
2446         PR tree-optimization/51775
2447         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2448         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2449
2450 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2451
2452         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2453         tuning parameters.
2454         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2455
2456 2012-01-09  Richard Guenther  <rguenther@suse.de>
2457
2458         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2459
2460 2012-01-08  Jan Hubicka  <jh@suse.cz>
2461
2462         PR tree-optimize/51680
2463         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2464         on when known_vals needs to be computed; cleanup.
2465
2466 2012-01-08  Jan Hubicka  <jh@suse.cz>
2467
2468         PR tree-optimize/51694
2469         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2470
2471 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2472
2473         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2474         for -std=c++98 and -std=c++11 too.
2475
2476 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2477
2478         * cfgloop.c (cancel_loop): Add free() of bbs array.
2479
2480 2012-01-07  Jan Hubicka  <jh@suse.cz>
2481
2482         PR tree-optimization/51600
2483         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2484         that benefits small functions.
2485
2486 2012-01-07  Jan Hubicka  <jh@suse.cz>
2487
2488         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2489
2490 2012-01-07  Jan Hubicka  <jh@suse.cz>
2491
2492         PR tree-optimization/51680
2493         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2494         whose inlining reduce unit size.
2495
2496 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2497
2498         PR bootstrap/51725
2499         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2500         Add canonical node to containing_mem chain after the non-canonical
2501         one, even if there weren't any locs to propagate.
2502         (remove_useless_values): Keep only canonical values.
2503         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2504         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2505         canonicalize mem_chain elements that are not discarded.
2506
2507 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2508
2509         PR target/47333
2510         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2511         before emitting functions.
2512
2513         PR gcov-profile/50127
2514         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2515         clear_aux_for_blocks.
2516
2517 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2518
2519         PR debug/51746
2520         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2521
2522 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2523
2524         * c-decl.c (ext_block): Moved up.
2525         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2526
2527 2012-01-06  Han Shen  <shenhan@google.com>
2528
2529         Translate built-in include paths for sysroot.
2530         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2531         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2532
2533         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2534         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2535
2536         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2537         control whether sysroot should be prepended to gxx include dir.
2538
2539         * configure: Regenerate.
2540
2541 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2542
2543         PR rtl-optimization/51771
2544         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2545         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2546
2547 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2548
2549         PR tree-optimization/51315
2550         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2551         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2552
2553 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2554
2555         PR target/51681
2556         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2557         for shrp pattern.  Correctly handle and fixup shift variable.
2558         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2559
2560 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2561
2562         PR debug/51762
2563         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2564         note when !ACCUMULATE_OUTGOING_ARGS.
2565
2566 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2567
2568         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2569         condition.
2570         (extract_range_from_unary_expr_1): Avoid useless computations.
2571
2572 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2573
2574         PR rtl-optimization/51767
2575         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2576         of jump_block and add an extra edge for degenerated asm gotos.
2577
2578         PR middle-end/51768
2579         * stmt.c (check_unique_operand_names): Don't ICE during error
2580         reporting if i is from labels chain.
2581
2582         PR middle-end/44777
2583         * profile.c (branch_prob): Split bbs that have exit edge
2584         and need a fake entry edge too.
2585
2586 2012-01-05  Jan Hubicka  <jh@suse.cz>
2587
2588         PR middle-end/49710
2589         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2590         unlooping loops.
2591
2592 2012-01-05  Richard Guenther  <rguenther@suse.de>
2593
2594         PR lto/50490
2595         * tree-streamer-out.c (write_ts_optimization): New function.
2596         (streamer_write_tree_body): Call it.
2597         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2598         (streamer_read_tree_body): Call it.
2599         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2600
2601 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR middle-end/51761
2604         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2605         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2606         in_cleanup_point_expr before gimplify_stmt call and restore it
2607         afterwards.
2608         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2609         in_cleanup_point_expr is false.
2610
2611 2012-01-05  Richard Guenther  <rguenther@suse.de>
2612
2613         PR middle-end/51764
2614         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2615         to c.opt.
2616         * toplev.c (process_options): Reject combining mudflap and LTO.
2617         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2618
2619 2012-01-05  Richard Guenther  <rguenther@suse.de>
2620
2621         PR tree-optimization/51760
2622         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2623         not VARYING.
2624         (bit_value_unop): Handle UNDEFINED operands.
2625         (bit_value_binop): Likewise.
2626
2627 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2628
2629         * config/avr/avr.c (avr_replace_prefix): Remove.
2630         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2631         (avr_asm_function_rodata_section): Ditto.
2632         (avr_asm_select_section): Ditto.
2633
2634 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2635
2636         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2637         insertion.
2638
2639 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2640
2641         PR bootstrap/51648
2642         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2643         calls that have any non-fake successor edges.
2644
2645         PR debug/51746
2646         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2647
2648 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2649
2650         PR tree-optimization/51624
2651         * tree-sra.c (build_ref_for_model): When replicating a chain of
2652         COMPONENT_REFs, stop as soon as the offset would become negative.
2653
2654 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR debug/51695
2657         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2658         in .debug_loc on the floor.
2659
2660 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2661
2662         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2663
2664 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2665             Adam Nemet  <anemet@caviumnetworks.com>
2666
2667         * config/mips/mips.md (size): Add SI and DI.
2668         (SIZE): New mode attribute.
2669         (U): New code attribute.
2670         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2671         (mips_lbux_<mode>): Delete.
2672         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2673         (mips_lhx): Use gen_mips_lhx_extsi.
2674         (mips_lhx_<mode>): Delete.
2675         (mips_lwx): Delete.
2676         (mips_l<size>x): New expand.
2677         (mips_lwx_<mode>): Delete.
2678         (mips_l<GPR:size>x_<P:mode>): New pattern.
2679         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2680         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2681         * config/mips/mips.c (mips_lx_address_p): New function.
2682         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2683         (dsp64): New availability predicate.
2684         (mips_builtins): Add an entry for __builtin_mips_ldx.
2685         * config/mips/mips.h (ISA_HAS_LBX): New define.
2686         (ISA_HAS_LBUX): Likewise.
2687         (ISA_HAS_LHX): Likewise.
2688         (ISA_HAS_LHUX): Likewise.
2689         (ISA_HAS_LWX): Likewise.
2690         (ISA_HAS_LWUX): Likewise.
2691         (ISA_HAS_LDX): Likewise.
2692         * doc/extend.texi (__builtin_mips_ldx): Document.
2693
2694 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2695
2696         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2697         when long pointers are used.
2698         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2699         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2700         (ia64-hp-*vms*): Remove.
2701         * config/vms/xm-vms64.h: Delete.
2702
2703 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2704
2705         PR middle-end/51472
2706         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2707
2708 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2709
2710         * opts.c (finish_options): Remove duplicate sorry.
2711
2712 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2713
2714         PR middle-end/51696
2715         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2716         correctly.
2717
2718 2012-01-04  Richard Guenther  <rguenther@suse.de>
2719
2720         PR middle-end/51750
2721         * tree.c (size_low_cst): New function.
2722         * tree.h (size_low_cst): Declare.
2723         * fold-const.c (fold_comparison): Use it to extract the low
2724         part of the POINTER_PLUS_EXPR offset.
2725
2726 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2727
2728         Fix clearing ZERO_REG
2729         * config/avr/avr.md (cc): Add alternative "ldi".
2730         (movqi_insn): Use it in cc attribute.
2731         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2732         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2733         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2734
2735 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2736
2737         * configure: Regenerate.
2738
2739 2012-01-04  Richard Guenther  <rguenther@suse.de>
2740
2741         PR tree-optimization/49651
2742         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2743         (var_can_have_subvars): Use it.
2744         (get_constraint_for_1): Only consider subfields if there can be any.
2745
2746 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR bootstrap/51725
2749         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2750         to its new canonical_cselib_val and the cselib_val was in
2751         first_containing_mem chain, but the canonical_cselib_val was not,
2752         add the latter into the chain.
2753         (cselib_invalidate_mem): Compare canonical_cselib_val of
2754         addr_list chain elt with v.
2755
2756         PR pch/51722
2757         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2758         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2759         of xstrdup.
2760         (output_macinfo_op): Don't ggc_strdup fd->filename.
2761         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2762         then ggc_strdup it.  Don't free inc->info or cur->info.
2763         (output_macinfo): Don't free ref->info or file->info.
2764
2765 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2766
2767         PR tree-optimization/51269
2768         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2769         first_niters a pointer.
2770         (slpeel_tree_peel_loop_to_edge): Likewise.
2771         (vect_do_peeling_for_loop_bound): Update call to
2772         slpeel_tree_peel_loop_to_edge.
2773         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2774         here.  Remove it from the parameters list.
2775         (vect_do_peeling_for_alignment): Update calls and compute
2776         wide_prolog_niters.
2777
2778 2012-01-03  Richard Guenther  <rguenther@suse.de>
2779
2780         PR tree-optimization/51070
2781         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2782         Properly handle calls.
2783
2784 2012-01-03  Richard Guenther  <rguenther@suse.de>
2785
2786         PR tree-optimization/51692
2787         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2788         the LHS of allocation stmts.
2789
2790 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2791
2792         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2793
2794 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2795
2796         * collect2.c (main): In AIX specific computations for vector
2797         insertions, use CONST_CAST2 to cast from char ** to const char **.
2798
2799 2012-01-03  Richard Guenther  <rguenther@suse.de>
2800
2801         PR debug/51650
2802         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2803         the context of a limbo DIE when it does not already exist.
2804
2805 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR tree-optimization/51719
2808         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2809         but direct call is, clear direct call's lhs and don't add fallthrough
2810         edge from dcall_bb to join_bb and PHIs.
2811
2812 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2813
2814         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2815         the instructions emitted by the pattern.
2816         ("*TDC_insn_<mode>"): Add comment.
2817
2818 2012-01-03  Richard Guenther  <rguenther@suse.de>
2819
2820         PR middle-end/51730
2821         * fold-const.c (fold_comparison): Properly canonicalize
2822         tree offset and HOST_WIDE_INT bit position.
2823
2824 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2825
2826         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2827         operands for extzv pattern.
2828
2829 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR bootstrap/51725
2832         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2833         on mem_elt first.
2834
2835 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2836
2837         * doc/invoke.texi (-flto and related options): Copy-edit.
2838
2839 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2840
2841         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2842
2843 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2844
2845         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2846         New patterns.
2847
2848 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2849
2850         * expr.h (move_by_pieces_ninsns): Declare.
2851         * expr.c (move_by_pieces_ninsns): Make external.
2852         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2853         (mips_store_by_pieces_p): Likewise.
2854         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2855         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2856         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2857         (mips_store_by_pieces_p): Likewise.
2858
2859 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2860
2861         * passes.c (register_one_dump_file): Free full_name.
2862
2863         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2864         (calculate_elim_costs_all_insns): Free offsets_at and
2865         offsets_known_at at the end and clear the pointers.
2866
2867 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2868
2869         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2870         this option introduced in r180739.
2871
2872 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2873
2874         PR target/51345
2875         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2876         (tmake_file target=avr): Add avr/t-multilib.
2877
2878         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2879         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2880         * config/avr/genmultilib.awk: New file.
2881         * config/avr/t-multilib: New auto-generated file.
2882         * config/avr/multilib.h: New auto-generated file.
2883         * config/avr/t-avr (AVR_MCUS): New variable.
2884         (genopt.sh): Use it.
2885         (s-mlib): Depend on t-multilib.
2886         (t-multilib, multilib.h): New dependencies.
2887         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2888         (MULTILIB_OPTIONS): Remove.
2889         (MULTILIB_MATCHES): Remove.
2890         (MULTILIB_DIRNAMES): Remove.
2891         (MULTILIB_EXCEPTIONS): Remove:
2892         * config/avr/genopt.sh: Don't use hard coded file name;
2893         pass AVR_MCUS from t-avr instead.
2894
2895 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2896
2897         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2898
2899 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2900
2901         Implement light-weight DImode support.
2902         * config/avr/avr-dimode.md: New file.
2903         * config/avr/avr.md: Include it.
2904         (adjust_len): Add plus64, compare64.
2905         (HIDI): Remove code iterator.
2906         (code_stdname): New code attribute.
2907         (rotx, rotsmode): Remove DI.
2908         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2909         as code iterator.
2910         * config/avr/avr-protos.h (avr_have_dimode): New.
2911         (avr_out_plus64, avr_out_compare64): New.
2912         * config/avr/avr.c (avr_out_compare): Handle DImode.
2913         (avr_have_dimode): New variable definition and initialization.
2914         (avr_out_compare64, avr_out_plus64): New functions.
2915         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2916         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2917         (avr_compare_pattern): Skip DImode comparisons.
2918
2919 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2920
2921         * ddg.c (def_has_ccmode_p): New function.
2922         (add_cross_iteration_register_deps,
2923         create_ddg_dep_from_intra_loop_link): Call it.
2924
2925 2012-01-02  Richard Guenther  <rguenther@suse.de>
2926
2927         PR other/51679
2928         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2929
2930 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2931
2932         * gcc.c (process_command): Update copyright notice dates.
2933         * gcov.c (print_version): Likewise.
2934         * gcov-dump.c (print_version): Likewise.
2935         * mips-tfile.c (main): Likewise.
2936         * mips-tdump.c (main): Likewise.
2937
2938 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2939
2940         PR tree-optimization/51704
2941         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2942         a use is inside the basic block or loop before accessing its vect info.
2943
2944 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2945
2946         PR rtl-optimization/51069
2947         * cfgloopmanip.c (remove_path): Removing path making irreducible
2948         region unconditional makes BB part of the region.
2949
2950 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR tree-optimization/51683
2953         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2954         calls with side-effects.
2955         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2956 \f
2957 Copyright (C) 2012 Free Software Foundation, Inc.
2958
2959 Copying and distribution of this file, with or without modification,
2960 are permitted in any medium without royalty provided the copyright
2961 notice and this notice are preserved.