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Enable *movabs<mode>_[12] only for TARGET_LP64
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/52352
4         * config/i386/i386.md (*movabs<mode>_1): Enable only for
5         TARGET_LP64.
6         (*movabs<mode>_2): Likewise.
7
8 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
9
10         PR target/52375
11         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
12         s_register_operand in the test instead of REG_P.  Don't call
13         gen_reg_rtx if it won't be used.
14
15         PR tree-optimization/52376
16         * ipa-split.c (split_function): Ignore CLOBBER stmts.
17
18 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
19
20         * ifcvt.c (noce_get_condition): Check condition variable is not
21         small_register_classes_for_mode_p before accepting.
22
23 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
24
25         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
26
27 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
28
29         Revert:
30         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
31         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
32         tuning parameters.
33         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
34
35 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
36
37         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
38
39 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
40
41         * config/sh/predicates.md: Remove blank lines.
42         * config/sh/sh.c: Fix typos in comments.
43         * config/sh/constraints.md: Likewise.
44         * config/sh/sh.md: Remove blank lines.
45         Fix typos in comments.  Use ;; as comment characters.
46
47 2012-02-26  Walter Lee  <walt@tilera.com>
48
49         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
50         (replace_mov_pcrel_step2): Ditto.
51
52 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
53
54         PR debug/52001
55         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
56         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
57         and locs that reference values newer than the non-canonical value
58         at hand.  Return the canonical value as a worst case.
59         (memrefs_conflict_p): Walk canonical value's locs.
60
61         PR debug/52001
62         * cselib.c (preserve_only_constants): Rename to...
63         (preserve_constants_and_equivs): ... this.  Split out...
64         (invariant_or_equiv_p): ... this.  Preserve plus expressions
65         of other preserved expressions too.
66         (cselib_reset_table): Adjust.
67         * var-tracking.c (reverse_op): Use canonical value to build
68         reverse operation.
69
70 2012-02-23  Kai Tietz  <ktietz@redhat.com>
71
72         * config/i386/i386.c (ix86_delegitimize_address): Handle
73         UNSPEC_PCREL plus displacement.
74
75 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
76
77         PR target/52261
78         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
79         to test for unusedness in st X addressing.
80
81 2012-02-24  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/52361
84         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
85         (is_gimple_reg_type): Move inline ...
86         * gimple.h (is_gimple_reg_type): ... here.
87
88 2012-02-24  Richard Guenther  <rguenther@suse.de>
89
90         PR middle-end/52361
91         * passes.c (execute_function_todo): When verifying SSA form
92         verify gimple form first.
93         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
94
95 2012-02-24  Richard Guenther  <rguenther@suse.de>
96
97         PR middle-end/52355
98         * fold-const.c (fold_addr_of_array_ref_difference): New function.
99         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
100
101 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
102
103         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
104
105 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
106
107         * tree-phinodes.c (make_phi_node): Mark static.
108         * tree-flow.h (make_phi_node): Remove extern decl.
109         * doc/gimple.texi (make_phi_node): Remove documentation.
110
111 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
112
113         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
114         * tree-ssa-sccvn.c (print_scc): Ditto.
115
116 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
117
118         * doc/passes.texi (Full redundancy elimination): Fix typo.
119
120 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
121
122         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
123
124 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
125
126         PR bootstrap/52287
127         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
128
129 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
130
131         PR c/52290
132         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
133
134 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
135
136         * config/avr/avr.md (code_stdname): Add ior, xor.
137         (xior): New code iterator.
138         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
139         (*<code_stdname><mode>qi.byte1-3): Ditto.
140
141 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
142
143         PR tree-optimization/52019
144         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
145         CLOBBER stmts.
146
147 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
148
149         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
150         HAVE_INITFINI_ARRAY to work around namespace pollution in
151         certain versions of newlib system headers.
152         * config.in: Regenerate.
153         * configure: Regenerate.
154         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
155         instead of HAVE_INITFINI_ARRAY.
156
157 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
158
159         PR target/52330
160         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
161         is not offsettable memory reference.
162
163 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
164
165         PR target/18145
166         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
167         setting avr_need_clear_bss_p for __gnu_lto* symbols.
168
169 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
170
171         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
172         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
173
174 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
175
176         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
177         library on Solaris 8 even without TLS support.
178         * configure: Regenerate.
179
180 2012-02-22  Richard Guenther  <rguenther@suse.de>
181
182         PR middle-end/52329
183         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
184         for GIMPLE_DEBUG stmts.
185
186 2012-02-22  Martin Jambor  <mjambor@suse.cz>
187
188         PR middle-end/51782
189         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
190         according to the base object.
191
192 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
193
194         PR rtl-optimization/50063
195         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
196         and 2 (8-bit SP) in operand 2.
197         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
198         setup to use movhi_sp_r instead of vanilla move to write SP.
199         Adjust REG_CFA notes to superseed unspec.
200         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
201         of vanilla move.
202         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
203         known to be off) only with TARGET_NO_INTERRUPTS. Never use
204         irq_state 1 (IRQ known to be on) here.
205
206 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
207
208         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
209         WORDS_BIG_ENDIAN.
210         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
211         assign_hard_reg): Likewise.
212
213 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
214
215         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
216
217 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
218
219         * config/avr/avr.md
220         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
221         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
222
223 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
224
225         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
226         prototype from here to...
227         * config/avr/avr.h: ...here.
228
229 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
230
231         PR target/52294
232         * thumb2.md (thumb2_shiftsi3_short): Split register and
233         immediate shifts.  For register shifts tie operands 0 and 1.
234         (peephole2 for above): Check that register-controlled shifts
235         have suitably tied operands.
236
237 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
238
239         PR target/52137
240         * config/i386/bdver1.md (bdver1_call, bdver1_push,
241         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
242         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
243         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
244         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
245         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
246         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
247         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
248         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
249         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
250         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
251         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
252         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
253         bdver1_ssevector_avx256_unaligned_load,
254         bdver1_ssevector_sse128_unaligned_load,
255         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
256         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
257         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
258         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
259         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
260         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
261         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
262         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
263         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
264         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
265         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
266         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
267         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
268         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
269         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
270         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
271         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
272         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
273         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
274         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
275         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
276         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
277         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
278         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
279         bdver1_ssediv_double_load, bdver1_ssediv_double,
280         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
281         Add "bdver2" attribute.
282
283 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
284
285         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
286         default if possible and not specified otherwise.
287
288 2012-02-21  Richard Guenther  <rguenther@suse.de>
289
290         PR middle-end/52314
291         * gimplify.c (create_tmp_from_val): Use the main variant type
292         for the type of the temporary we create.
293
294 2012-02-21  Richard Guenther  <rguenther@suse.de>
295
296         PR tree-optimization/52324
297         * gimplify.c (gimplify_expr): When re-gimplifying expressions
298         do not gimplify a MEM_REF address operand if it is already
299         in suitable form.
300
301 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
302
303         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
304         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
305
306 2012-02-21  Richard Guenther  <rguenther@suse.de>
307
308         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
309         nested_in_vect_loop.
310
311 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
312
313         PR tree-optimization/52318
314         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
315         vdef also to non-pure/const call stmts in the sequence.
316
317 2012-02-20  David S. Miller  <davem@davemloft.net>
318
319         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
320         don't use the "rd %pc" instruction on v9 for PIC register loads.
321
322 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
323
324         PR middle-end/52141
325         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
326         in a transaction safe function.
327
328 2012-02-20  Kai Tietz  <ktietz@redhat.com>
329
330         PR target/52238
331         * stor-layout.c (place_field): Handle desired_align for
332         ms-bitfields, too.
333
334 2012-02-20  Richard Guenther  <rguenther@suse.de>
335
336         PR tree-optimization/52298
337         * tree-vect-stmts.c (vectorizable_store): Properly use
338         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
339         outer loops.
340         (vectorizable_load): Likewise.
341         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
342         Access DR_STEP after ensuring it is not NULL.
343
344 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
345
346         PR tree-optimization/52286
347         * fold-const.c (fold_binary_loc): For (X & C1) | C2
348         optimization use double_int_to_tree instead of build_int_cst_wide,
349         rewrite to use double_int vars.
350
351 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
352
353         PR target/50166
354         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
355         Define _start.
356         Remove -e 0 from $gcc_cv_ld invocation.
357         Only use __GLIBC_PREREQ if defined.
358         Enable on Solaris since Solaris 8 patch.
359         (gcc_SUN_LD_VERSION): New macro.
360         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
361         gcc_SUN_LD_VERSION for version number format.
362         * configure: Regenerate.
363         * varasm.c (get_elf_initfini_array_priority_section): Set
364         SECTION_NOTYPE for non-default priority.
365         Use get_section instead of get_unnamed_section to emit
366         .init_array/.fini_array with default priority.
367
368 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
369
370         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
371         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
372         (mips_start_unique_function, mips_output_mips16_rdhwr)
373         (mips_code_end): New functions.
374         (TARGET_ASM_CODE_END): Define.
375
376 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
377
378         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
379         to stubs with non-sibling calls.
380
381 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
382
383         * doc/invoke.texi (-fira-* options): Copy-edit.
384         (ira-* parameters): Copy-edit.
385
386 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
387
388         * doc/invoke.texi: Minor copy-edits to bring into conformance with
389         GCC coding conventions.
390
391 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
392
393         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
394         when used as adjectives.
395
396 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
397
398         * doc/invoke.texi: Clean up "that"/"which" confusion.
399
400 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
401
402         * system.h: Poison SMALL_REGISTER_CLASSES
403         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
404         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
405
406 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
407
408         PR tree-optimization/52285
409         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
410         when deciding if a call is a tail call or tail recursion.
411
412 2012-02-16  Kai Tietz  <ktietz@redhat.com>
413
414         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
415         interger-constant displacement for UNSPEC_PCREL.
416
417 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
418
419         PR rtl-optimization/52208
420         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
421         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
422
423         PR tree-optimization/52255
424         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
425         loop->header has virtual PHI, but exit_e->dest doesn't, add
426         virtual PHI to exit_e->dest and adjust all uses after the loop.
427
428         PR debug/52260
429         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
430         children with clone_tree_hash, not after it.
431
432 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
433
434         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
435         extended identifiers.
436
437 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
438
439         PR middle-end/51929
440         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
441         a same_body_alias, also test whether e->callee isn't a former
442         or current clone of the decl this is a same body alias of.
443
444         PR translation/52264
445         * cgraphunit.c (verify_cgraph_node): Fix a typo.
446
447 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
448
449         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
450
451 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
452
453         PR target/52199
454         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
455         force_reg instead of copy_to_reg for better optimization.  Force
456         non-register or memory operands into a register.
457
458 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
459
460         * extend.texi: Reserve upper bits of memory model for future use.
461
462 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
463             Anatoly Sokolov <aesok@post.ru>
464             Eric Weddington <eric.weddington@atmel.com>
465
466         PR target/52261
467         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
468         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
469         Rewrite initializers for .macro.
470         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
471         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
472         atxmega32d4, atxmega32x1.
473         avrxmega4: atxmega64a3, atxmega64d3.
474         avrxmega5: atxmega64a1, atxmega64a1u.
475         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
476         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
477         avrxmega7: atxmega128a1, atxmega128a1u.
478         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
479         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
480         (struct base_arch_s): Rename reserved to xmega_p.
481         Rename reserved2 to have_rampd.
482         (AVR_XMEGA): New define.
483         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
484         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
485         * config/avr/predicates.md (io_address_operand): Take into
486         account SFR offset.
487         (low_io_address_operand): Ditto.
488         (high_io_address_operand): Ditto.
489         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
490         (enabled, movhi_sp_r): Use them.
491         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
492         cpp_define_formatted to built-in define __AVR_ARCH__.
493         (__AVR_XMEGA__): New built-in define.
494         (__AVR_HAVE_RAMPD__): New built-in define.
495         (__AVR_HAVE_RAMPX__): New built-in define.
496         (__AVR_HAVE_RAMPY__): New built-in define.
497         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
498
499         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
500         (avr_option_override): Initialize them.
501         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
502         (avr_init_expanders): Initialize them. No more block several calls.
503         (emit_push_sfr): New static function.
504         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
505         Handle AVR_XMEGA.
506         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
507         (avr_print_operand): Print addreeses as symbols for
508         RAMPX, RAMPY, RAMPD, CCP.
509         (output_movhi): Handle AVR_XMEGA when writing to SP.
510         (avr_out_movhi_mr_r_xmega): New static function.
511         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
512         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
513         __RAMPD__,  __CCP__ as needed.
514
515         * config/avr/multilib.h: Regenerate.
516         * config/avr/t-multilib: Regenerate.
517         * config/avr/avr-tables.opt: Regenerate.
518
519 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
520
521         PR tree-optimization/50561
522         * graphite-flattening.c (lst_project_loop): Do not
523         remove old scattering dimensions after flattening.
524         (lst_do_flatten): Likewise.
525
526 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
527
528         * doc/extend.texi (AVR Built-in Functions): Remove doc for
529         __builtin_avr_map8, __builtin_avr_map16.
530         Document __builtin_avr_insert_bits.
531
532         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
533         (insert_bits): New insn.
534         (adjust_len.map_bits): Rename to insert_bits.
535         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
536         * avr-protos.h (avr_out_map_bits): Remove.
537         (avr_out_insert_bits, avr_has_nibble_0xf): New.
538         * config/avr/constraints.md (Cxf,C0f): New.
539         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
540         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
541         New built-in define __BUILTIN_AVR_INSERT_BITS.
542         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
543         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
544         (avr_move_bits): Rewrite.
545         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
546         functions.
547         (avr_map_op_t): New typedef.
548         (avr_map_op): New static variable.
549         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
550         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
551         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
552         (bdesc_3arg, avr_expand_triop_builtin): New.
553         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
554         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
555         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
556         (avr_map_equal_p, avr_map_sig_p): Remove.
557         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
558         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
559         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
560         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
561         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
562         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
563
564 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
565
566         * config/c6x/c6x.md (reserve_cycles): New attribute.
567         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
568         don't reserve functional units after the branch occurs.
569
570 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
571
572         PR middle-end/52142
573         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
574         functions into non-tm_pure functions.
575
576 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
577
578         PR lto/52178
579         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
580         (iterative_hash_canonical_type): Likewise.
581         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
582         the dead edges.
583
584 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
585
586         * haifa-sched.c (prune_ready_list): Ensure that if there is a
587         sched-group insn, it either remains alone or the entire list is pruned.
588
589 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
590
591         * doc/install.texi (Prerequisites): Fix grammar.
592         (Configuration): Likewise.
593
594 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
595
596         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
597         MPC as part of GCC before describing configuring with --with-gmp etc.
598         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
599         sources are present.
600
601 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
602
603         PR debug/51950
604         * dwarf2out.c (clone_tree_hash): New function.
605         (copy_decls_walk): Use it instead of clone_tree.
606
607 2012-02-14  Richard Guenther  <rguenther@suse.de>
608
609         PR tree-optimization/52244
610         PR tree-optimization/51528
611         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
612         replacements for integral types.
613
614 2012-02-14  Walter Lee  <walt@tilera.com>
615
616         * config.gcc: Handle tilegx and tilepro.
617         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
618         tilegx and tilepro.
619         Add HAVE_AS_TLS check for tilegx and tilepro.
620         * configure: Regenerate.
621         * doc/contrib.texi: Add Mat Hostetter and self.
622         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
623         Document instruction intrinsics and network accessing intrinsics.
624         (TILEPro Built-in Functions): New node.  Document instruction
625         intrinsics and network accessing intrinsics.
626         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
627         (Specific, tilepro-*-linux*): Likewise.
628         * doc/invoke.texi (TILE-Gx Options): New section.
629         (TILEPro Options): New section.
630         * doc/md.texi (TILE-Gx): New section.
631         (TILEPro): New section.
632         * common/config/tilegx/tilegx-common.c: New file.
633         * common/config/tilepro/tilepro-common.c: New file.
634         * config/tilegx/constraints.md: New file.
635         * config/tilegx/linux.h: New file.
636         * config/tilegx/mul-tables.c: New file.
637         * config/tilegx/predicates.md: New file.
638         * config/tilegx/sync.md: New file.
639         * config/tilegx/t-tilegx: New file.
640         * config/tilegx/tilegx-builtins.h: New file.
641         * config/tilegx/tilegx-c.c: New file.
642         * config/tilegx/tilegx-generic.md: New file.
643         * config/tilegx/tilegx-modes.def: New file.
644         * config/tilegx/tilegx-multiply.h: New file.
645         * config/tilegx/tilegx-protos.h: New file.
646         * config/tilegx/tilegx.c: New file.
647         * config/tilegx/tilegx.h: New file.
648         * config/tilegx/tilegx.md: New file.
649         * config/tilegx/tilegx.opt: New file.
650         * config/tilepro/constraints.md: New file.
651         * config/tilepro/gen-mul-tables.cc: New file.
652         * config/tilepro/linux.h: New file.
653         * config/tilepro/mul-tables.c: New file.
654         * config/tilepro/predicates.md: New file.
655         * config/tilepro/t-tilepro: New file.
656         * config/tilepro/tilepro-builtins.h: New file.
657         * config/tilepro/tilepro-c.c: New file.
658         * config/tilepro/tilepro-generic.md: New file.
659         * config/tilepro/tilepro-modes.def: New file.
660         * config/tilepro/tilepro-multiply.h: New file.
661         * config/tilepro/tilepro-protos.h: New file.
662         * config/tilepro/tilepro.c: New file.
663         * config/tilepro/tilepro.h: New file.
664         * config/tilepro/tilepro.md: New file.
665         * config/tilepro/tilepro.opt: New file.
666
667 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
668
669         PR tree-optimization/52210
670         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
671         vect_model_simple_cost with two entry vect_def_type array instead
672         of an address of dt.
673
674 2012-02-14  Richard Guenther  <rguenther@suse.de>
675
676         PR lto/52178
677         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
678         Do not stream DECL_QUALIFIER.
679         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
680         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
681         (find_decls_types_r): Do not walk DECL_QUALIFIER.
682
683 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
684
685         PR c/52181
686         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
687         newdecl.
688
689 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
690
691         PR bootstrap/52172
692         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
693         * cselib.c (cselib_subst_to_values_from_insn): New function.
694         * sched-deps.c (add_insn_mem_dependence,
695         sched_analyze_1, sched_analyze_2): Use it.
696
697 2012-02-13  Jan Hubicka  <jh@suse.cz>
698
699         PR middle-end/52214
700         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
701
702 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
703
704         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
705         (GTM_SELF_SPECS): Define if not already defined.
706         (driver_self_specs): Add GTM_SELF_SPECS.
707         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
708         (GTM_SELF_SPECS): Define.
709         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
710         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
711
712 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
713
714         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
715         away if seen.
716
717         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
718
719         PR middle-end/52230
720         * omp-low.c (expand_omp_for): If a static schedule without chunk size
721         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
722
723 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
724
725         PR c/52190
726         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
727
728 2012-02-13  Richard Guenther  <rguenther@suse.de>
729
730         PR translation/52211
731         * passes.c (enable_disable_pass): Fix typo.
732
733 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
734
735         PR middle-end/52209
736         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
737         XOR for reduce_bit_field if type is unsigned.
738
739 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
740
741         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
742         disallow changes from SFmode to mode with different size in FP regs.
743
744 2012-02-12  Robert Millan  <rmh@gnu.org>
745             Gerald Pfeifer <gerald@pfeifer.com>
746
747         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
748         Tweak comment.
749
750 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
751
752         PR rtl-optimization/52175
753         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
754         to frame-related instructions.
755
756 2012-02-10  Jason Merrill  <jason@redhat.com>
757
758         PR c++/51910
759         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
760         (demangle_new_symbols): Fill it.
761         (scan_linker_output): Walk it.
762         (start_tweaking): Split out from scan_linker_output.
763         (maybe_tweak): Update sym->chosen.
764         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
765
766 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
767
768         PR debug/52132
769         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
770
771 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
772
773         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
774         having the same mode as previous compare.
775
776 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
777
778         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
779         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
780         (nonlocal_goto_internal): Likewise.
781         (nonlocal_goto): Emit a use and an indirect jump directly.
782
783 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
784
785         PR c/52190
786         * doc/extend.texi : Update comments for __atomic_compare_exchange and
787         __atomic_{is,always}_lock_free.
788
789 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
790
791         PR target/52146
792         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
793         negative constant address for x32.
794
795 2012-02-10  Richard Henderson  <rth@redhat.com>
796
797         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
798         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
799         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
800
801 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
802             Ira Rosen  <irar@il.ibm.com>
803
804         PR tree-optimization/50031
805         * targhooks.c (default_builtin_vectorization_cost): Handle
806         vec_promote_demote.
807         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
808         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
809         all types of reduction and pattern statements.
810         (vect_estimate_min_profitable_iters): Likewise.
811         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
812         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
813         for explicit realigns.
814         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
815         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
816         vec_promote_demote.
817         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
818         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
819         vec_perm for VSX and handle vec_promote_demote.
820
821 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
822
823         PR middle-end/52177
824         * builtins.c (fold_builtin_atomic_always_lock_free,
825         expand_builtin_atomic_always_lock_free,
826         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
827         Return and/or test boolean_true_node/boolean_false_node instead of
828         integer_one_node/integer_zero_node.
829
830 2012-02-10  Jan Hubicka  <jh@suse.cz>
831
832         PR middle-end/48600
833         * predict.c (predict_paths_for_bb): Prevent looping.
834         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
835
836 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
837
838         * config/arm/arm.c (output_move_double): In one case properly
839         count number of instructions that will be emitted.
840
841 2012-02-10  Richard Guenther  <rguenther@suse.de>
842
843         PR translation/52193
844         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
845
846 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
847
848         PR middle-end/52140
849         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
850
851 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
852
853         PR debug/52165
854         * var-tracking.c (emit_note_insn_var_location): If
855         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
856         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
857         non-NOTE_DURING_CALL_P insn.
858
859 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
860
861         PR middle-end/51867
862         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
863
864 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
865
866         PR driver/48524
867         * gcc.c (switch_matches) Support switches with separated form,
868         -D and -U.
869
870 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
871
872         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
873         (SP_ADDR): Ditto.
874         (RAMPZ_ADDR): Ditto.
875         * config/avr/avr.c (avr_addr_t): New typedef.
876         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
877         (avr_init_expanders): Initialize it.
878         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
879         SREG_ADDR.
880         (expand_epilogue): Ditto.
881         (avr_print_operand): Ditto.
882         (avr_file_start): Ditto.
883         (avr_emit_movmemhi): Ditto.
884
885 2012-02-08  Richard Guenther  <rguenther@suse.de>
886
887         PR tree-optimization/46886
888         * tree-flow.h (do_while_loop_p): Declare.
889         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
890         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
891
892 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
893
894         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
895         always succeed for integers larger than a native word.
896
897 2012-02-08  Richard Guenther  <rguenther@suse.de>
898
899         PR rtl-optimization/52170
900         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
901         properly handle integer vector modes.
902
903 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
904
905         PR gcov-profile/52150
906         * coverage.c: Include target.h.
907         (build_var): Call targetm.strip_name_encoding on the assembler name.
908         Change one _ into . or $ if the target allows it.
909         * Makefile.in (coverage.o): Depend on $(TARGET_H).
910
911         PR rtl-optimization/52139
912         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
913         is a BARRIER after emit_insn_after_noloc, move BB_END
914         to the last non-BARRIER insn before it.
915
916 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
917
918         PR middle-end/24306
919         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
920         (mips_gimplify_va_arg_expr): Call it instead of
921         std_gimplify_va_arg_expr.
922
923 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
924
925         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
926         message for -mno-pointers-to-nested-function.
927
928 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
929
930         PR middle-end/51994
931         * expr.c (get_inner_reference): If there is an offset, add a negative
932         bit position to it (if any).
933
934 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
935
936         PR rtl-optimization/52060
937         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
938         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
939         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
940         and/or i0src_copy2 when needed.
941
942 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
943
944         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
945         or LTOPLUGINSONAME if have_c.
946
947         * config/freebsd-spec.h: Add comment about what macros can be defined
948         in this header.
949         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
950         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
951         here instead.
952
953 2012-02-07  Richard Guenther  <rguenther@suse.de>
954
955         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
956         newline in -alias dumps.
957
958 2012-02-07  Kai Tietz  <ktietz@redhat.com>
959             Dave Korn  <dave.korn.cygwin@gmail.com>
960
961         PR target/40068
962         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
963         Take care that typinfo gets dllexport-attribute.
964
965 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
966
967         PR middle-end/52074
968         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
969         if modifier < EXPAND_SUM call force_operand on the result.
970
971 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
972
973         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
974         adding __forwarder_dst__ prefix if a forwarder_section attribute is
975         present.
976         (epiphany_function_type): Replace types for specific interrupts with
977         EPIPHANY_FUNCTION_INTERRUPT.
978         (EPIPHANY_INTERRUPT_P): Update.
979         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
980         New static function.
981         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
982         <disinterrupt>: Affects type identity.
983         (epiphany_handle_interrupt_attribute): Handle variable number of
984         arguments.
985         (epiphany_compute_function_type): Update for new
986         epiphany_function_type definition.
987         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
988         handlers with a longcall forwarder.
989         (epiphany_start_function): Handle multiple interrupt arguments and/or
990         forwarder_section attribute.
991
992         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
993         libgloss.
994
995 2012-02-07  Alan Modra  <amodra@gmail.com>
996
997         PR target/52107
998         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
999         subregs of TFmode.
1000
1001 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1002
1003         PR tree-optimization/50969
1004         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1005         use vec_perm rather than vector_stmt.
1006         (vect_model_load_cost): Likewise.
1007         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1008         vec_perm to be the same as other vector statements.
1009         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1010         cost of vec_perm for TARGET_VSX.
1011
1012 2012-02-06  Richard Guenther  <rguenther@suse.de>
1013
1014         PR tree-optimization/52115
1015         * tree-sra.c (access_has_replacements_p): New function.
1016         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1017
1018 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1019
1020         PR middle-end/52047
1021         * trans-mem.c (expand_call_tm): Add an assertion.
1022         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1023         functions.
1024
1025 2012-02-06  Richard Guenther  <rguenther@suse.de>
1026
1027         PR tree-optimization/50955
1028         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1029         raise cost of expressions that replace an address with an
1030         expression based on a different pointer.
1031
1032 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1033
1034         PR target/52129
1035         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1036         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1037
1038 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1039
1040         PR c++/48680
1041         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1042         -Weffc++ and specify guidelines come from second edition.
1043
1044 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1045
1046         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1047         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1048         (call_direct_split, call_value_split, call_value_internal_direct)
1049         (call_value_direct_split, call_value_multiple_split): Use jal and
1050         jal_macro attributes.
1051
1052 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1053
1054         * reload1.c (reload_regs_reach_end_p): Replace with...
1055         (reload_reg_rtx_reaches_end_p): ...this function.
1056         (new_spill_reg_store): Update commentary.
1057         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1058         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1059         before setting new_spill_reg_store.
1060         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1061         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1062         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1063         for non-spill reload registers.
1064
1065 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1066
1067         PR tree-optimization/52091
1068         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1069         (vect_is_simple_use_1): Likewise.
1070         * tree-vect-loop.c (vectorizable_reduction): Update calls
1071         to vect_is_simple_use_1 and vect_is_simple_use.
1072         (vectorizable_live_operation): Likewise.
1073         * tree-vect-patterns.c (widened_name_p,
1074         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1075         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1076         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1077         vectorizable_shift,vectorizable_operation, vectorizable_store,
1078         vectorizable_load): Likewise.
1079         (vect_is_simple_cond): Add an argument, pass it to
1080         vect_is_simple_use_1.
1081         (vectorizable_condition): Update calls to vect_is_simple_cond,
1082         vect_is_simple_use.
1083         (vect_is_simple_use): Add an argument, the statement in which
1084         OPERAND is used.  Check that if OPERAND's def stmt is a double
1085         reduction phi node, the use is a phi node too.
1086         (vect_is_simple_use_1): Add an argument, pass it to
1087         vect_is_simple_use.
1088         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1089         to vect_is_simple_use.
1090
1091 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1092
1093         PR rtl-optimization/52095
1094         * modulo-sched.c (dump_insn_locator): New function.
1095         (loop_canon_p, sms_schedule): Use it.
1096
1097         PR rtl-optimization/52113
1098         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1099         even for decomposable shift/zext insns.
1100
1101 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1102             Zdenek Dvorak  <ook@ucw.cz>
1103
1104         PR rtl-optimization/52092
1105         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1106         on get_iv_value result.
1107
1108 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1109
1110         PR middle-end/47982
1111         PR middle-end/43967
1112         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1113
1114 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1115
1116         PR middle-end/48071
1117         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1118
1119 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1120
1121         PR rtl-optimization/49800
1122         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1123         (sched_finish): Call regstat_free_n_sets_and_refs.
1124
1125 2012-02-02  Jia Liu  <proljc@gmail.com>
1126
1127         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1128         than operand 2.
1129
1130 2012-02-02  Jan Hubicka  <jh@suse.cz>
1131             Tom de Vries  <tom@codesourcery.com>
1132
1133         PR middle-end/51998
1134         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1135         * varpool.c (varpool_analyze_pending_decls): Likewise.
1136
1137 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1138             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1139
1140         * config.gcc: Add cr16-* support.
1141
1142         * doc/extend.texi: Document cr16 extensions.
1143         * doc/install.texi: Document cr16 install.
1144         * doc/invoke.texi: Document cr16 options.
1145         * doc/md.texi: Document cr16 constraints.
1146
1147         * common/config/cr16/cr16-common.c: New file.
1148         * config/cr16/cr16.c: New file.
1149         * config/cr16/cr16.h: New file.
1150         * config/cr16/cr16.md: New file.
1151         * config/cr16/cr16.opt: New file.
1152         * config/cr16/cr16-protos.h: New file.
1153         * config/cr16/predicates.md: New file.
1154         * config/cr16/constraints.md: New file.
1155         * config/cr16/t-cr16: New file.
1156
1157 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1158
1159         PR target/52086
1160         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1161         that operands[2] is either immediate, or q_regs_operand.
1162
1163         PR tree-optimization/52073
1164         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1165         a pattern stmt for pattern uses, ignore uses outside of the loop.
1166
1167 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1168
1169         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1170         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1171         (OUT_AS1, OUT_AS2): Remove.
1172
1173 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1174
1175         PR rtl-optimization/51374
1176         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1177         to cross other volatile_refs_p insns.
1178
1179 2012-02-01  Richard Guenther  <rguenther@suse.de>
1180
1181         * doc/invoke.texi (fno-inline): Clarify documentation.
1182         (finline-small-functions): Likewise.
1183         (finline-functions): Likewise.
1184         * common.opt (finline): Adjust comment and documentation.
1185         (finline-small-functions): Clarify documentation.
1186         (finline-functions): Likewise.
1187         (finline-functions-called-once): Likewise.
1188
1189 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1190
1191         * c-typeck.c (composite_type): Keep mode for pointers.
1192
1193 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1194
1195         * function.h (regno_reg_rtx): Adjust comment.
1196         * reginfo.c (init_reg_modes_target): Only use the previous mode
1197         if it fits within one register.  Remove MIPS comment.
1198
1199 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1200
1201         PR bootstrap/52058
1202         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1203
1204 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1205
1206         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1207         to srak instruction.
1208
1209 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1210
1211         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1212
1213 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1214
1215         PR bootstrap/52041
1216         PR bootstrap/52039
1217         PR target/51974
1218         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1219
1220 2012-01-31  Richard Guenther  <rguenther@suse.de>
1221
1222         PR tree-optimization/51528
1223         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1224         assigns.
1225
1226 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR bootstrap/52041
1229         PR bootstrap/52039
1230         PR target/51974
1231         * ree.c (add_removable_extension): Change def_map argument
1232         to unsigned *, store in def_map 1 + offset into *insn_list vector
1233         instead of pointers into the vector.
1234         (find_removable_extensions): Adjust caller.
1235
1236 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1237
1238         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1239         Transform all "* quoted-c-code" to { c-code }.
1240         Remove redundant test for "optimize" in combine patterns.
1241         Move (include "avr-dimode.md") to end of file.
1242
1243 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1244
1245         PR target/51835
1246         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1247         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1248
1249 2012-01-30  Richard Guenther  <rguenther@suse.de>
1250
1251         PR tree-optimization/52028
1252         * tree-loop-distribution.c (ldist_gen): Properly update
1253         virtual SSA form.
1254
1255 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR debug/52027
1258         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1259         set_cur_line_info_table if not emitting debug info.
1260
1261         PR tree-optimization/52046
1262         * tree-vect-patterns.c (check_bool_pattern): Give up if
1263         a comparison could throw.
1264
1265         PR debug/52048
1266         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1267
1268 2012-01-30  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/52045
1271         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1272         SSA form if cfgcleanup did anything.
1273
1274 2012-01-30  Richard Guenther  <rguenther@suse.de>
1275
1276         PR tree-optimization/52045
1277         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1278         before computing final todo.
1279
1280 2012-01-30  Richard Guenther  <rguenther@suse.de>
1281
1282         PR tree-optimization/51528
1283         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1284         for PR51528 fix.
1285
1286 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1287
1288         * df-problems.c (df_kill_notes): Check that the use refers
1289         to the note under examination.
1290
1291 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1292
1293         PR target/51920
1294         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1295         parameter and use short-lived pseudos.
1296         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1297         (sparc_expand_vector_init): Const-ify local variables and adjust
1298         calls to above functions.
1299
1300 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1301
1302         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1303
1304 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1305
1306         * doc/invoke.texi: Make usage of "compile time" and
1307         "run time"/"runtime" consistent throughout the file.
1308
1309 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1310
1311         * config/alpha/alpha.c (alpha_option_override): Default to
1312         full IEEE compliance mode for Go language.
1313
1314 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1315
1316         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1317         (LINK_SSP_SPEC): Define.
1318
1319 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1320
1321         PR target/51871
1322         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1323         stubs.
1324
1325 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1326
1327         * doc/invoke.texi: Correct hyphenation of "floating point",
1328         "double precision", and related terminology throughout the file.
1329
1330 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1331
1332         PR target/52006
1333         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1334         arm_general_register_operand predicate for operand 2 instead of
1335         register_operand.
1336
1337 2012-01-27  Ian Lance Taylor  <iant@google.com>
1338
1339         PR go/47656
1340         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1341         * builtins.c (expand_builtin_init_trampoline): Add onstack
1342         parameter.  Change caller.
1343         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1344         * tree.c (build_common_builtin_nodes): Declare
1345         __builtin_init_heap_trampoline.
1346
1347 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1348
1349         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1350         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1351         * config/avr/avr.c: Ditto.
1352         (avr_regnames): Remove because unused.
1353         * config/avr/avr.md (*cpse.ne): New peephole.
1354         (*cpse.eq): New peephole from former cpse peepholes.
1355
1356 2012-01-27  Michael Eager  <eager@eagercon.com>
1357
1358         * config/microblaze.c (microblaze_emit_compare): Correct
1359         test after pcmp instruction.
1360
1361 2012-01-27  Richard Guenther  <rguenther@suse.de>
1362
1363         PR tree-optimization/52020
1364         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1365
1366 2012-01-27  Richard Guenther  <rguenther@suse.de>
1367
1368         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1369         function non-const/pure.
1370
1371 2012-01-27  Richard Guenther  <rguenther@suse.de>
1372
1373         PR tree-optimization/50444
1374         * tree-sra.c (build_ref_for_offset): Properly adjust the
1375         MEM_REF type for unaligned accesses.
1376
1377 2012-01-27  Richard Guenther  <rguenther@suse.de>
1378
1379         PR tree-optimization/50444
1380         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1381         (expand_assignment): Use it.  Properly handle misaligned
1382         bases when expanding stores to component references.
1383         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1384         refactor that case.
1385
1386 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1387
1388         PR middle-end/51389
1389         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1390         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1391         * tree-data-ref.c (find_data_references_in_loop): Make static.
1392         (compute_all_dependences): Change return type to bool.  Bail out
1393         for too many datarefs in a loop.  Move the hunk resetting the data
1394         dependences vector from ...
1395         (compute_data_dependences_for_loop): ... here.  Account for
1396         compute_all_dependences returning false.
1397         (compute_data_dependences_for_bb): Likewise.
1398         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1399         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1400
1401 2012-01-27  Richard Guenther  <rguenther@suse.de>
1402
1403         PR middle-end/51959
1404         * expr.c (store_field): Use the alias-set of the scratch memory
1405         for storing to it.
1406
1407 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1408
1409         PR tree-optimization/51990
1410         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1411         WITH_SIZE_EXPR.
1412         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1413
1414 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR debug/52001
1417         * var-tracking.c (reverse_op): Don't add any reverse operation
1418         if V already has any constant locations.
1419
1420 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1421
1422         * doc/invoke.texi: Correct usage of "command line" (noun)
1423         vs "command-line" (adjective) throughout.
1424
1425 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1426
1427         * doc/invoke.texi (Language Independent Options): Move
1428         -Wcoverage-mismatch blurb from here....
1429         (Warning Options): ...to here.
1430
1431 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1432
1433         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1434         Set rs6000_always_hint to false for 476.
1435
1436 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1437
1438         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1439           system root.
1440         * incpath.c (add_standard_paths): Likewise.
1441
1442 2012-01-27  Richard Henderson  <rth@redhat.com>
1443
1444         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1445         * config/m68k/sync.md (atomic_test_and_set): Rename from
1446         sync_test_and_setqi and adjust the operands.
1447         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1448         and unconditionally enable.
1449
1450 2012-01-27  Richard Henderson  <rth@redhat.com>
1451
1452         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1453         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1454         (ldstub): Rename from ldstubqi.
1455         (ldstub<I24MODE>): Remove.
1456
1457 2012-01-27  Richard Henderson  <rth@redhat.com>
1458
1459         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1460         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1461         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1462         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1463         * doc/tm.texi: Rebuild.
1464
1465 2012-01-27  Richard Henderson  <rth@redhat.com>
1466
1467         * optabs.c (gen_atomic_test_and_set): Remove default.
1468         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1469
1470 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1471
1472         PR rtl-optimization/51978
1473         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1474         (combine_reaching_defs): Likewise.
1475         (struct re_info): Remove.
1476         (add_removable_extension): Remove x and data arguments,
1477         add insn, insn_list and def_map.  Use the arguments directly
1478         instead of using struct re_info.
1479         (find_removable_extensions): Don't call add_removable_extension
1480         through note_stores, instead just call it with single_set
1481         result if non-NULL.
1482         (find_and_remove_re): Pass curr_cand->expr instead of
1483         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1484
1485 2012-01-26  Michael Matz  <matz@suse.de>
1486
1487         PR tree-optimization/46590
1488         * cfgexpand.c: Revert last change (r183305).
1489         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1490         regs.
1491         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1492         checking for emptiness.
1493
1494 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1495
1496         PR middle-end/51895
1497         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1498         non-addressable non-BLKmode base correctly.
1499
1500 2012-01-26  Michael Matz  <matz@suse.de>
1501
1502         PR tree-optimization/48794
1503         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1504         regions referenced from RESX/EH_DISPATCH.
1505
1506 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1507
1508         * config/s390/s390.h: Make BRANCH_COST an option.
1509         * config/s390/s390.opt: New option -mbranch-cost.
1510
1511 2012-01-26  Richard Henderson  <rth@redhat.com>
1512
1513         Revert 2012-01-24 change:
1514         * trans-mem.c (requires_barrier): Do not instrument thread local
1515         variables and emit save/restore for them.
1516
1517 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR middle-end/51986
1520         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1521         for pat == 0.
1522
1523 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1524
1525         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1526         ASM_OPERANDS.
1527
1528 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1529
1530         PR target/49868
1531         Rename __pgm to __flash.
1532         Rename __pgm1 to __flash1.
1533         Rename __pgm2 to __flash2.
1534         Rename __pgm3 to __flash3.
1535         Rename __pgm4 to __flash4.
1536         Rename __pgm5 to __flash5.
1537         Rename __pgmx to __memx.
1538         * doc/extend.texi (AVR Named Address Spaces)
1539         Rename address space names as indicated above.
1540         * config/avr/avr.c (avr_addrspace): Ditto.
1541
1542         * config/avr/avr-protos.h
1543         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1544         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1545         * config/avr/predicates.md: Ditto.
1546         * config/avr/avr.c Ditto, and
1547         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1548         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1549
1550         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1551         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1552         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1553         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1554         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1555         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1556         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1557         * config/avr/avr.c: Ditto.
1558         * config/avr/avr.md: Ditto.
1559
1560 2012-01-25  Jason Merrill  <jason@redhat.com>
1561
1562         PR c++/51992
1563         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1564
1565 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1566
1567         PR tree-optimization/51987
1568         * tree-data-ref.c (get_references_in_stmt): Handle references in
1569         non-volatile GIMPLE_ASM.
1570
1571 2012-01-25  Richard Guenther  <rguenther@suse.de>
1572
1573         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1574         bases are dereferenced.
1575
1576 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1577
1578         PR rtl-optimization/48374
1579         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1580
1581 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1582
1583         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1584         compute_data_dependences_for_loop returns false.
1585         * tree-parloops.c (loop_parallel_p): Likewise.
1586
1587 2012-01-25  Richard Guenther  <rguenther@suse.de>
1588
1589         * tree.h (get_pointer_alignment_1): Declare.
1590         * builtins.c (get_pointer_alignment_1): New function.
1591         (get_pointer_alignment): Use it.
1592
1593 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1594
1595         PR rtl-optimization/48308
1596         * combine.c (enum undo_kind): Add UNDO_LINKS.
1597         (struct undo): Add member l to other_contents and where.
1598         (do_SUBST_LINK): New.
1599         (SUBST_LINK): New.
1600         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1601         (undo_all): Handle UNDO_LINKS.
1602
1603 2012-01-25  Richard Henderson  <rth@redhat.com>
1604
1605         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1606         mem inputs.
1607
1608 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1609
1610         * optabs.c (gen_atomic_test_and_set): Use each argument.
1611
1612 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1613
1614         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1615         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1616         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1617         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1618         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1619         TARGET_PAIRED_SINGLE_FLOAT.
1620
1621 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1622
1623         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1624         (in_struct, return_val): Remove MEM documentation.
1625         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1626         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1627         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1628         and MEM_SCALAR.
1629         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1630         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1631         * expr.c (store_field): Likewise.
1632         * function.c (assign_stack_temp_for_type): Likewise.
1633         * ifcvt.c (noce_try_cmove_arith): Likewise.
1634         * reload1.c (reload): Likewise.
1635         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1636         (alpha_set_memflags): Likewise.
1637         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1638
1639 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1640
1641         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1642         parameter.
1643         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1644         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1645         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1646         varies parameter.
1647         * cselib.c (cselib_rtx_varies_p): Delete.
1648         (cselib_invalidate_mem): Update call to canon_true_dependence.
1649         * dse.c (record_store, check_mem_read_rtx): Likewise.
1650         (scan_reads_nospill): Likewise.
1651         * cse.c (check_dependence): Likewise.
1652         (cse_rtx_varies_p): Delete.
1653         * expr.c (safe_from_p): Update call to true_dependence.
1654         * ira.c (validate_equiv_mem_from_store): Likewise.
1655         (memref_referenced_p): Likewise.
1656         * postreload-gcse.c (find_mem_conflicts): Likewise.
1657         * sched-deps.c (sched_analyze_2): Likewise.
1658         * store-motion.c (load_kills_store): Likewise.
1659         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1660         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1661         (compute_transp): Update call to canon_true_dependence.
1662
1663 2012-01-25  Richard Henderson  <rth@redhat.com>
1664
1665         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1666         (maybe_emit_atomic_test_and_set): New.
1667         (expand_sync_lock_test_and_set): Use it.
1668         (expand_atomic_test_and_set): Likewise.
1669         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1670         the implementation; clarify implementation defined details.
1671         * doc/md.texi (atomic_test_and_set): Document.
1672
1673 2012-01-25  Richard Henderson  <rth@redhat.com>
1674
1675         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1676
1677 2012-01-25  Richard Henderson  <rth@redhat.com>
1678
1679         PR target/51968
1680         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1681         to effect no-op split.
1682
1683 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1684
1685         PR lto/51698
1686         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1687         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1688         (BT_FN_VOID_PTR_INT_SIZE): New.
1689         (BT_FN_UINT_UINT_VAR): Remove.
1690         (BT_FN_UINT32_UINT32_VAR): New.
1691         (BT_FN_DOUBLE_VPTR): Remove.
1692         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1693
1694         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1695         (_ITM_changeTransactionMode): Same.
1696         (_ITM_memmoveRtWt): Change return type to void.
1697         (_ITM_memcpyRtWt): Same.
1698         (_ITM_memsetW): Same.
1699         (_ITM_RaRD): Change types to double.
1700         (_ITM_RD): Same.
1701         (_ITM_RaWD): Same.
1702         (_ITM_RfWD): Same.
1703
1704         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1705
1706 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1707             Patrick Marlier  <patrick.marlier@gmail.com>
1708
1709         * trans-mem.c (requires_barrier): Do not instrument thread local
1710         variables and emit save/restore for them.
1711
1712 2012-01-24  Jason Merrill  <jason@redhat.com>
1713
1714         PR c++/51812
1715         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1716         output static aliases.
1717
1718 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1719
1720         PR driver/47249
1721         * common.opt (-pie, -shared, pie, shared): Change from Common to
1722         Driver.
1723         * gcc.c (display_help): Display help for -pie and -shared.
1724
1725 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1726
1727         PR target/49868
1728         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1729         Remove note on size/offset limitation.
1730         (AVR Variable Attributes): Add example how to read data located
1731         with progmem.  Refer to named address spaces.
1732         * doc/invoke.texi (AVR Options): Fix typo.
1733
1734 2012-01-24  Richard Guenther  <rguenther@suse.de>
1735
1736         Forward-port to trunk
1737         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1738
1739         PR middle-end/45678
1740         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1741         op0 isn't sufficiently aligned and there is movmisalignM
1742         insn for mode, use it to load op0 into a temporary register.
1743
1744 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1745
1746         PR target/51957
1747         * target.def (const_not_ok_for_debug_p): New hook.
1748         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1749         documentation.
1750         * doc/tm.texi: Regenerated.
1751         * dwarf2out.c (const_ok_for_output_1): If
1752         targetm.const_not_ok_for_debug_p returns true, fail.
1753         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1754         function.
1755         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1756
1757 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1758
1759         PR target/51900
1760         * config/i386/predicates.md (symbolic_operand): Allow
1761         UNSPEC_PCREL as PIC expression for lea.
1762         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1763         * config/i386/i386.c (ix86_delegitimize_address): Handle
1764         UNSPEC_PCREL for none-MEM, too.
1765
1766 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1767
1768         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1769         (ipa_tm_create_version_alias): Same.
1770
1771 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1772
1773         PR libitm/51830
1774         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1775         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1776
1777 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1778             Patrick Marlier  <patrick.marlier@gmail.com>
1779             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1780
1781         PR lto/51916
1782         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1783         simple_object_start_read.
1784
1785 2012-01-23  Richard Guenther  <rguenther@suse.de>
1786
1787
1788         PR tree-optimization/51895
1789         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1790         parameter decomposition into BLKmode components.
1791
1792 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1793
1794         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1795         fake variables for restrict-qualified pointers whose pointed-to type
1796         contains a placeholder.
1797
1798 2012-01-23  Richard Guenther  <rguenther@suse.de>
1799
1800         PR tree-optimization/51949
1801         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1802
1803 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR rtl-optimization/51933
1806         * ree.c (transform_ifelse): Return true right away if dstreg is
1807         already wider or equal to cand->mode.
1808         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1809         (make_defs_and_copies_lists): Remove defs_list and copies_list
1810         arguments, add state argument, just truncate state->work_list
1811         instead of always allocating and freeing the vector.  Assert that
1812         get_defs succeeds instead of returning 2.  Changed return type to bool.
1813         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1814         have ext_src_mode, see if it has been modified already with the
1815         right kind of extension and has been extended before from the
1816         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1817         just return true.  Remember the original mode in state->modified array.
1818         (combine_reaching_defs): Add state argument.  Don't allocate and
1819         free here def_list, copied_list and vec vectors, instead just
1820         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1821         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1822         Add state variable, clear vectors in it, initialize state.modified
1823         if needed.  Free all the vectors at the end and state.modified too.
1824         Don't skip a candidate if the extension expression has been modified.
1825
1826 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1827
1828         PR target/47096
1829         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1830          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1831         (extra_options) interix.opt -> i386/interix.opt"
1832         (extra_objs):Add winnt-stubs.o
1833         * configure.ac: Add interix to target_os .comm on PE check.
1834         * configure: Regenerate.
1835         * config/interix3.h: Delete and move bits to..
1836         * config/interix.h: Delete and move bits to..
1837         * config/i386/i386-interix3.h: Delete and move bits to..
1838         * config/i386/i386-interix.h: ..here.
1839         (TARGET_CPU_DEFAULT): Remove redefinition.
1840         (TARGET_ASM_CONSTRUCTOR): Undefine.
1841         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1842         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1843         (PTRDIFF_TYPE): Define.
1844         (LONG_DOUBLE_TYPE_SIZE): Define.
1845         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1846         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1847         (TARGET_SECTION_TYPE_FLAGS): Define.
1848         (ASM_DECLARE_FUNCTION_NAME): Define.
1849         (ASM_OUTPUT_EXTERNAL): Define.
1850         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1851         (ASM_OUTPUT_ALIGNED_BSS): Define.
1852         (PCC_BITFIELD_TYPE_MATTERS): Define.
1853         (USE_CONST_SECTION): Define.
1854         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1855         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1856         (SUPPORTS_ONE_ONLY): Remove.
1857         (I386_PE_STRIP_ENCODING): Define.
1858         * config/interix.opt: Delete and move bits to..
1859         * config/i386/interix.opt: ..here. New.
1860         (mpe-aligned-commons): Add.
1861         * config/i386/t-interix: Add copyright header.
1862         (winnt-stubs.o): Add rule.
1863
1864 2012-01-22  Jason Merrill  <jason@redhat.com>
1865
1866         PR c++/51832
1867         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1868         for extra name aliases.
1869
1870 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1871
1872         PR rtl-optimization/51924
1873         * ree.c (combine_set_extension): Improve debugging message.
1874         (combine_reaching_defs): Likewise.
1875         (get_defs): Rename confusingly named variable.
1876         (find_and_remove_re): Skip a candidate if the extension expression has
1877         been modified.
1878
1879 2012-01-21  Robert Millan  <rmh@gnu.org>
1880             Gerald Pfeifer  <gerald@pfeifer.com>
1881
1882         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1883         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1884
1885 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1886
1887         PR tree-optimization/51914
1888         * tree-vect-stmts.c (vectorizable_conversion): For
1889         cvt_type && modifier == WIDEN, put temporary with cvt_type
1890         at the beginning of vec_dsts and set vec_dest to temporary
1891         with vectype_out.
1892
1893 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1894
1895         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1896
1897 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1898
1899         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1900         * config/rs6000/rs6000.c: Likewise.
1901
1902 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1903
1904         PR target/51915
1905         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1906         output_move_double on a copy of operands array.
1907
1908 2012-01-20  Cary Coutant  <ccoutant@google.com>
1909             Dodji Seketeli  <dodji@redhat.com>
1910
1911         PR debug/45682
1912         * dwarf2out.c (copy_declaration_context): Return ref to parent
1913         of declaration DIE, if necessary.
1914         (remove_child_or_replace_with_skeleton): Add new parameter; update
1915         caller.  Place skeleton DIE under parent DIE of original declaration.
1916         Move call to copy_declaration_context to here ...
1917         (break_out_comdat_types): ... from here.
1918
1919 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1920
1921         PR rtl-optimization/51856
1922         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1923         flag to reloaded.
1924
1925 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1926
1927         PR target/51819
1928         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1929         hints for neon loads and stores.
1930
1931 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1932
1933         PR target/49868
1934         PR target/50887
1935         * doc/extend.texi (Named Address Spaces): Split into subsections.
1936         (AVR Named Address Spaces): New subsection.
1937         (M32C Named Address Spaces): New subsection.
1938         (RL78 Named Address Spaces): New subsection.
1939         (SPU Named Address Spaces): New subsection.
1940         (Variable Attributes): New anchor "AVR Variable Attributes".
1941         (AVR Variable Attributes): Rewrite and avoid wording
1942         "address space" in this context.
1943         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1944         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1945         (AVR Built-in Macros): New subsubsection therein.
1946         * doc/md.texi (AVR constraints): Remove "C04", "R".
1947
1948 2012-01-20  Richard Guenther  <rguenther@suse.de>
1949
1950         PR tree-optimization/51903
1951         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1952         when removing stmts.
1953
1954 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1955
1956         PR target/50313
1957         * config/arm/arm.c (arm_load_pic_register): Use
1958         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1959         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1960         (arm_pic_static_addr): Likewise.
1961         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1962         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1963         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1964         (pic_load_addr_unified): New.
1965
1966 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1967
1968         PR target/51106
1969         * function.c (instantiate_virtual_regs_in_insn): Use
1970         delete_insn_and_edges when removing a wrong asm insn.
1971
1972 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1973
1974         PR rtl-optimization/40761
1975         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1976         Add new member loop_num.
1977         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1978         (ira_build): Remove the parameter.
1979
1980         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1981         (ira.c): Do not build CFG loops for one region allocation.  Remove
1982         argument from ira_build call.
1983
1984         * ira-build.c (init_loop_tree_node): New function.
1985         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1986         loops are not built.
1987         (more_one_region_p): Check current_loops.
1988         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1989         built.
1990         (add_loop_to_tree): Process loop equal to NULL too.
1991         (form_loop_tree): Separate the case when CFG loops are not built.
1992         Use explicitly number for the root.
1993         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1994         an assertion.
1995         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1996         instead of loop->num.
1997         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1998         (mark_all_loops_for_removal): Ditto.
1999         (remove_unnecessary_regions): Separate the case when CFG loops
2000         are not built.
2001         (ira_build): Remove the parameter.  Use explicit number of regions
2002         when CFG loops are not built.
2003
2004         * ira-color.c (print_loop_title): Separate the case for the root node.
2005         Use loop_num instead of loop->num.
2006         (move_spill_restore): Use loop_num instead of loop->num.
2007
2008         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2009         (change_loop): Ditto.
2010         (change_loop): Use loop_num instead of loop->num.
2011
2012         * ira-lives.c (process_bb_node_lives): Ditto.
2013
2014         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2015
2016         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2017
2018 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR libmudflap/40778
2021         * tree-mudflap.c (mf_artificial): New function.
2022         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2023         mx_register_decls, mudflap_enqueue_decl): Use it.
2024
2025         PR target/51876
2026         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2027         numbers in the insn pattern.
2028
2029 2012-01-19  Michael Matz  <matz@suse.de>
2030
2031         PR tree-optimization/46590
2032         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2033         use it in remembering which conflicts we already created.
2034         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2035         bitmap.
2036
2037 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2038
2039         PR lto/51280
2040         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2041         (merge_and_complain): Same.
2042
2043 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2044
2045         PR bootstrap/50237
2046         * config/initfini-array.h: Guard content of the header
2047         with #ifdef HAVE_INITFINI_ARRAY.
2048         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2049         Add initfini-array.h to tm_file here.
2050         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2051         * config.gcc: Don't add initfini-array.h to tm_file here.
2052         * configure: Regenerated.
2053
2054 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2055
2056         PR rtl-optimization/51505
2057         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2058         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2059         (df_note_bb_compute): Update the call to df_kill_notes.
2060
2061 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2062
2063         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2064
2065 2012-01-18  Richard Guenther  <rguenther@suse.de>
2066
2067         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2068         of conversions to void *.
2069
2070 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2071             Richard Sandiford  <rdsandiford@googlemail.com>
2072
2073         PR middle-end/50325
2074         PR middle-end/51192
2075         * optabs.h (simplify_expand_binop): Declare.
2076         * optabs.c (simplify_expand_binop): Make global.
2077         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2078         endian targets if the source cannot be exactly covered by word
2079         mode chunks.
2080
2081 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2082
2083         PR bootstrap/51872
2084         * hard-reg-set.h (struct hard_reg_set_container): New type.
2085         * target.h (struct hard_reg_set_container): Forward declare.
2086         * target.def (set_up_by_prologue): New target hook.
2087         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2088         * doc/tm.texi: Regenerated.
2089         * function.c (thread_prologue_and_epilogue_insns): Change
2090         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2091         Call targetm.set_up_by_prologue on it.
2092         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2093         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2094
2095 2012-01-17  Nick Clifton  <nickc@redhat.com>
2096
2097         * config/rx/rx.c (rx_can_use_simple_return): New function.
2098         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2099         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2100
2101 2012-01-17  Richard Guenther  <rguenther@suse.de>
2102
2103         PR middle-end/51782
2104         * expr.c (expand_assignment): Take address-space information
2105         from the address operand of MEM_REF and TARGET_MEM_REF.
2106         (expand_expr_real_1): Likewise.
2107
2108 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2109
2110         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2111         reload dump is requested.
2112
2113 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2114
2115         PR other/51165
2116         * trans-mem.c (requires_barrier): Call may_be_aliased.
2117
2118 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2119
2120         PR tree-optimization/51877
2121         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2122         call arguments and fndecls compare equal, instead return false if they
2123         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2124         both SSA_NAMEs that are valueized the same, or they satisfy
2125         operand_equal_p.
2126
2127 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2128
2129         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2130         Solaris 11+.
2131         * configure: Regenerate.
2132
2133 2012-01-16  Jan Hubicka  <jh@suse.cz>
2134
2135         PR c/12245
2136         PR c++/14179
2137         * convert.c (convert_to_integer): Use fold_convert for
2138         converting an INTEGER_CST to integer type.
2139
2140 2012-01-16  Jason Merrill  <jason@redhat.com>
2141
2142         PR c++/14179
2143         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2144
2145 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2146
2147         PR bootstrap/51860
2148         * config/s390/s390.c (s390_chunkify_start): Don't skip
2149         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2150         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2151         If insn is followed by NOTE_INSN_VAR_LOCATION or
2152         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2153         Don't use location of note insns.
2154
2155         PR tree-optimization/51865
2156         * tree-inline.c (tree_function_versioning): Call remap_decl
2157         on DECL_RESULT whenever it has VOID_TYPE_P type.
2158
2159 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2160
2161         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2162         for calls to locally-binding MIPS16 functions if only the return
2163         type uses float regs.
2164
2165 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2166             Richard Sandiford  <rdsandiford@googlemail.com>
2167
2168         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2169         (SYMBOL_32_HIGH): Likewise.
2170         (mips_output_tls_reloc_directive): Declare.
2171         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2172         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2173         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2174         (mips_lo_relocs, mips_hi_relocs): Make extern.
2175         (mips16_stub_function): Move up file.
2176         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2177         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2178         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2179         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2180         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2181         (mips_get_tp): Add MIPS16 support.
2182         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2183         Generalize DTPREL and TPREL handling.
2184         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2185         Add MIPS16 TLS support.
2186         (mips_output_tls_reloc_directive): New function.
2187         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2188         * config/mips/predicates.md (symbolic_operand_with_high)
2189         (tls_reloc_operand): New predicates.
2190         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2191         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2192         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2193         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2194         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2195         (*tls_get_tp_mips16_call_<mode>): Likewise.
2196
2197 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2198
2199         PR rtl-optimization/51821
2200         * recog.c (peep2_find_free_register): Determine clobbered registers
2201         from insn pattern.
2202
2203 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2204
2205         PR target/50925
2206         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2207         * config/avr/avr.c: Likewise.
2208         * config/avr/avr.h: Likewise.
2209
2210 2012-01-13  Ian Lance Taylor  <iant@google.com>
2211
2212         PR c++/50012
2213         * tree.h (TYPE_QUALS): Add cast to int.
2214         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2215
2216 2012-01-13  Ian Lance Taylor  <iant@google.com>
2217
2218         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2219         comparing param_index to VEC_length result.
2220
2221 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2222
2223         * c-decl.c: Do not include tree-mudflap.h
2224         * tree-optimize.c: Likewise.
2225         * Makefile.in: Update dependencies.
2226
2227 2012-01-13  Richard Guenther  <rguenther@suse.de>
2228
2229         PR middle-end/8081
2230         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2231         variable-sized result always use RSO.
2232
2233 2012-01-12  DJ Delorie  <dj@redhat.com>
2234
2235         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2236         pointer type, not just the default pointer type.
2237
2238 2012-01-09  Richard Henderson  <rth@redhat.com>
2239             Denis Chertykov  <chertykov@gmail.com>
2240
2241         PR target/50925
2242         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2243         * config/avr/avr.c (avr_can_eliminate): Simplify.
2244         (avr_initial_elimination_offset): Likewise.
2245         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2246         (expand_epilogue): Likewise.
2247         (avr_legitimize_address): Gut.
2248         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2249         (avr_hard_regno_nregs): New.
2250         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2251         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2252         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2253         add soft frame pointer.
2254         (CALL_USED_REGISTERS): Likewise.
2255         (REG_CLASS_CONTENTS): Likewise.
2256         (REGISTER_NAMES): Likewise.
2257         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2258         (HARD_FRAME_POINTER_REGNUM): New.
2259         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2260         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2261         remove the HARD_FRAME_POINTER self-elimination.
2262
2263 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2264
2265         PR target/51756
2266         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2267         DECL_EXTERNAL when checking for initializers of progmem variables.
2268
2269 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2270
2271         PR tree-optimization/51799
2272         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2273         that the last operation is a type demotion.
2274
2275 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2276
2277         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2278         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2279
2280 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2281
2282         PR bootstrap/51796
2283         * combine.c (distribute_notes): If i3 is a noreturn call,
2284         allow old_size to be equal to args_size and make sure the
2285         noreturn call gets REG_ARGS_SIZE note.
2286         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2287         on noreturn calls even when the delta is 0.
2288
2289 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2290
2291         * gcov.c (STRING_SIZE): Remove.
2292         (generate_results): Erase annotations for source files with no
2293         coverage information.
2294         (read_line): New.
2295         (output_lines): Use it.
2296
2297 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2298
2299         * gimple.h (gimplify_body): Remove first argument.
2300         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2301         pointer set here, instead just pass DATA to walk_tree.
2302         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2303         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2304         (unvisit_body): Likewise, but with unmark_visited.
2305         (gimplify_body): Remove BODY_P argument and adjust.
2306         (gimplify_function_tree): Adjust call to gimplify_body.
2307         * omp-low.c (finalize_task_copyfn): Likewise.
2308
2309 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2310
2311         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2312         (build_function_type_skip_args): Delete.
2313         * tree.c (build_function_type_skip_args): Make static and add
2314         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2315         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2316         pass it to build_function_type_skip_args.
2317         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2318         (tree_function_versioning): Likewise.
2319         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2320         build_function_decl_skip_args.
2321         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2322         and pass it to build_function_decl_skip_args/tree_function_versioning.
2323         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2324         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2325         * trans-mem.c (ipa_tm_create_version): Likewise.
2326         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2327         * tree-inline.c (declare_return_variable): Remove always-true test.
2328         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2329         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2330         * ipa-split.c (split_function): Skip the return value for the split
2331         part if it doesn't return.
2332
2333 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2334
2335         PR tree-optimization/49642
2336         * ipa-split.c (forbidden_dominators): New variable.
2337         (check_forbidden_calls): New function.
2338         (dominated_by_forbidden): Likewise.
2339         (consider_split): Check for forbidden dominators.
2340         (execute_split_functions): Initialize and free forbidden
2341         dominators info; call check_forbidden_calls.
2342
2343 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2344
2345         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2346
2347 2012-01-11  Nick Clifton  <nickc@redhat.com>
2348
2349         * config/rx/rx.md (return): Define pattern.
2350
2351 2012-01-11  Richard Guenther  <rguenther@suse.de>
2352
2353         * doc/extend.texi (malloc attribute): Adjust according to
2354         implementation.
2355
2356 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2357             Patrick Marlier  <patrick.marlier@gmail.com>
2358
2359         PR middle-end/51516
2360         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2361         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2362         (ipa_tm_note_irrevocable): Same.
2363         (ipa_tm_scan_irr_block): Same.
2364         (ipa_tm_decrement_clone_counts): Same.
2365         (ipa_tm_scan_irr_function): Same.
2366         (ipa_tm_create_version_alias): Same.
2367         (ipa_tm_create_version): Same.
2368         (ipa_tm_transform_calls_redirect): Same.
2369         (ipa_tm_transform_calls): Same.
2370         (ipa_tm_transform_transaction): Same.
2371         (ipa_tm_execute): Same.
2372
2373 2012-01-10  Richard Guenther  <rguenther@suse.de>
2374
2375         PR middle-end/51806
2376         * opts.c (common_handle_option): Handle -Werror.
2377
2378 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2379
2380         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2381         operand number.
2382
2383 2012-01-10  Jason Merrill  <jason@redhat.com>
2384
2385         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2386         information.
2387
2388 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2389
2390         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2391         supports R_386_TLS_GD_PLT reloc.
2392         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2393         supports R_386_TLS_LDM_PLT reloc.
2394         * configure: Regenerate.
2395         * config.in: Regenerate.
2396
2397 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2398
2399         PR target/49868
2400         Extend __pgmx semantics to linearize memory.
2401         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2402         determine if code comes inline or from libgcc.
2403         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2404         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2405         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2406         (movmemx_qi, movmemx_hi): New insns.
2407         (xload_<mode>_libgcc): Rewrite to new insn condition.
2408         (xload_<mode>): Remove insns.
2409         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2410         cases that don't satisfy avr_xload_libgcc_p().
2411         (avr_addr_space_convert): Allow converting in any direction.
2412         (avr_addr_space_subset_p): Return always true.
2413         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2414         (avr_emit_movmemhi): Ditto.
2415         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2416         (avr_out_movmem): Ditto.
2417         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2418         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2419         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2420         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2421         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2422
2423 2012-01-10  Richard Guenther  <rguenther@suse.de>
2424
2425         PR tree-optimization/50913
2426         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2427         Require data-refs to be representable by Graphite with respect
2428         to any loop nest.
2429
2430 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2431
2432         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2433         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2434
2435 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2436
2437         PR rtl-optimization/51271
2438         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2439         handling annulled branch.
2440
2441 2012-01-10  Richard Henderson  <rth@redhat.com>
2442
2443         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2444         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2445         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2446         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2447         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2448         arm_expand_vec_perm_const): New.
2449         * config/arm/arm-protos.h: Update.
2450         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2451         (*neon_vswp<VDQX>): New.
2452         (neon_vcombine<VDX>): Use neon_split_vcombine.
2453         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2454         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2455         (vec_perm<VE>): New.
2456
2457 2012-01-10  Richard Henderson  <rth@redhat.com>
2458
2459         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2460         use it if reload_completed.
2461         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2462         arm_output_asm_insn, arm_process_output_memory_barrier,
2463         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2464         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2465         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2466         arm_process_output_sync_insn, arm_output_sync_insn,
2467         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2468         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2469         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2470         (emit_unlikely_jump): New.
2471         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2472         (arm_split_atomic_op): New.
2473         * config/arm/arm-protos.h: Update.
2474         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2475         (struct arm_sync_generator): Remove.
2476         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2477         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2478         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2479         (VUNSPEC_LL, VUNSPEC_SC): New.
2480         (sync_result, sync_memory, sync_required_value, sync_new_value,
2481         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2482         (attr length): Don't use arm_sync_loop_insns.
2483         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2484         (movsfcc, movdfcc): Likewise.
2485         * config/arm/constraints.md (Ua): New.
2486         * config/arm/prediates.md (mem_noofs_operand): New.
2487         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2488         (sync_clobber, sync_t2_reqd): Remove.
2489         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2490         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2491         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2492         (arm_sync_compare_and_swap<SIDI>): Remove.
2493         (arm_sync_compare_and_swap<NARROW>): Remove.
2494         (arm_sync_lock_test_and_set<SIDI>): Remove.
2495         (arm_sync_lock_test_and_set<NARROW>): Remove.
2496         (arm_sync_new_<syncop><SIDI>): Remove.
2497         (arm_sync_new_<syncop><NARROW>): Remove.
2498         (arm_sync_new_nand<SIDI>): Remove.
2499         (arm_sync_new_nand<NARROW>): Remove.
2500         (arm_sync_old_<syncop><SIDI>): Remove.
2501         (arm_sync_old_<syncop><NARROW>): Remove.
2502         (arm_sync_old_nand<SIDI>): Remove.
2503         (arm_sync_old_nand<NARROW>): Remove.
2504         (*memory_barrier): Merge arm_output_memory_barrier.
2505         (atomic_compare_and_swap<QHSD>): New.
2506         (atomic_compare_and_swap<NARROW>_1): New.
2507         (atomic_compare_and_swap<SIDI>_1): New.
2508         (atomic_exchange<QHSD>): New.
2509         (cas_cmp_operand, cas_cmp_str): New.
2510         (atomic_op_operand, atomic_op_str): New.
2511         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2512         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2513         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2514         (arm_load_exclusive<NARROW>): New.
2515         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2516         (arm_store_exclusive<QHSD>): New.
2517
2518 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2519
2520         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2521         reload patterns if -mvsx-scalar-memory.
2522
2523         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2524         generated, even -mno-vsx-scalar-double was used.
2525         (vsx_xscvdpsp_scalar): Likewise.
2526         (vsx_xscvspdp_scalar2): Likewise.
2527
2528 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2529             Andrew Pinski  <apinski@cavium.com>
2530
2531         PR debug/51471
2532         * reorg.c (fill_slots_from_thread): Don't speculate
2533         frame-related insns.
2534
2535 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2536
2537         * sched-int.h (bb_note): Move to...
2538         * basic-block.h: ...here.
2539         * haifa-sched.c (bb_note): Move to...
2540         * cfgrtl.c: ...here.
2541         * function.c (next_block_for_reg): New function.
2542         (move_insn_for_shrink_wrap): Likewise.
2543         (prepare_shrink_wrap): Rewrite to use the above.
2544
2545 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2546
2547         * gimple.c (is_gimple_non_addressable): Remove.
2548         * gimple.h: Remove is_gimple_non_addressable.
2549         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2550         is_gimple_non_addressable.
2551         * trans-mem.c (expand_assign_tm): Same.
2552
2553 2012-01-09  Richard Guenther  <rguenther@suse.de>
2554
2555         PR tree-optimization/51775
2556         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2557         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2558
2559 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2560
2561         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2562         tuning parameters.
2563         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2564
2565 2012-01-09  Richard Guenther  <rguenther@suse.de>
2566
2567         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2568
2569 2012-01-08  Jan Hubicka  <jh@suse.cz>
2570
2571         PR tree-optimize/51680
2572         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2573         on when known_vals needs to be computed; cleanup.
2574
2575 2012-01-08  Jan Hubicka  <jh@suse.cz>
2576
2577         PR tree-optimize/51694
2578         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2579
2580 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2581
2582         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2583         for -std=c++98 and -std=c++11 too.
2584
2585 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2586
2587         * cfgloop.c (cancel_loop): Add free() of bbs array.
2588
2589 2012-01-07  Jan Hubicka  <jh@suse.cz>
2590
2591         PR tree-optimization/51600
2592         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2593         that benefits small functions.
2594
2595 2012-01-07  Jan Hubicka  <jh@suse.cz>
2596
2597         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2598
2599 2012-01-07  Jan Hubicka  <jh@suse.cz>
2600
2601         PR tree-optimization/51680
2602         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2603         whose inlining reduce unit size.
2604
2605 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2606
2607         PR bootstrap/51725
2608         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2609         Add canonical node to containing_mem chain after the non-canonical
2610         one, even if there weren't any locs to propagate.
2611         (remove_useless_values): Keep only canonical values.
2612         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2613         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2614         canonicalize mem_chain elements that are not discarded.
2615
2616 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR target/47333
2619         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2620         before emitting functions.
2621
2622         PR gcov-profile/50127
2623         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2624         clear_aux_for_blocks.
2625
2626 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2627
2628         PR debug/51746
2629         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2630
2631 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2632
2633         * c-decl.c (ext_block): Moved up.
2634         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2635
2636 2012-01-06  Han Shen  <shenhan@google.com>
2637
2638         Translate built-in include paths for sysroot.
2639         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2640         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2641
2642         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2643         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2644
2645         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2646         control whether sysroot should be prepended to gxx include dir.
2647
2648         * configure: Regenerate.
2649
2650 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2651
2652         PR rtl-optimization/51771
2653         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2654         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2655
2656 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2657
2658         PR tree-optimization/51315
2659         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2660         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2661
2662 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2663
2664         PR target/51681
2665         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2666         for shrp pattern.  Correctly handle and fixup shift variable.
2667         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2668
2669 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR debug/51762
2672         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2673         note when !ACCUMULATE_OUTGOING_ARGS.
2674
2675 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2676
2677         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2678         condition.
2679         (extract_range_from_unary_expr_1): Avoid useless computations.
2680
2681 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR rtl-optimization/51767
2684         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2685         of jump_block and add an extra edge for degenerated asm gotos.
2686
2687         PR middle-end/51768
2688         * stmt.c (check_unique_operand_names): Don't ICE during error
2689         reporting if i is from labels chain.
2690
2691         PR middle-end/44777
2692         * profile.c (branch_prob): Split bbs that have exit edge
2693         and need a fake entry edge too.
2694
2695 2012-01-05  Jan Hubicka  <jh@suse.cz>
2696
2697         PR middle-end/49710
2698         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2699         unlooping loops.
2700
2701 2012-01-05  Richard Guenther  <rguenther@suse.de>
2702
2703         PR lto/50490
2704         * tree-streamer-out.c (write_ts_optimization): New function.
2705         (streamer_write_tree_body): Call it.
2706         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2707         (streamer_read_tree_body): Call it.
2708         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2709
2710 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR middle-end/51761
2713         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2714         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2715         in_cleanup_point_expr before gimplify_stmt call and restore it
2716         afterwards.
2717         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2718         in_cleanup_point_expr is false.
2719
2720 2012-01-05  Richard Guenther  <rguenther@suse.de>
2721
2722         PR middle-end/51764
2723         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2724         to c.opt.
2725         * toplev.c (process_options): Reject combining mudflap and LTO.
2726         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2727
2728 2012-01-05  Richard Guenther  <rguenther@suse.de>
2729
2730         PR tree-optimization/51760
2731         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2732         not VARYING.
2733         (bit_value_unop): Handle UNDEFINED operands.
2734         (bit_value_binop): Likewise.
2735
2736 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2737
2738         * config/avr/avr.c (avr_replace_prefix): Remove.
2739         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2740         (avr_asm_function_rodata_section): Ditto.
2741         (avr_asm_select_section): Ditto.
2742
2743 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2744
2745         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2746         insertion.
2747
2748 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2749
2750         PR bootstrap/51648
2751         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2752         calls that have any non-fake successor edges.
2753
2754         PR debug/51746
2755         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2756
2757 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2758
2759         PR tree-optimization/51624
2760         * tree-sra.c (build_ref_for_model): When replicating a chain of
2761         COMPONENT_REFs, stop as soon as the offset would become negative.
2762
2763 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2764
2765         PR debug/51695
2766         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2767         in .debug_loc on the floor.
2768
2769 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2770
2771         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2772
2773 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2774             Adam Nemet  <anemet@caviumnetworks.com>
2775
2776         * config/mips/mips.md (size): Add SI and DI.
2777         (SIZE): New mode attribute.
2778         (U): New code attribute.
2779         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2780         (mips_lbux_<mode>): Delete.
2781         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2782         (mips_lhx): Use gen_mips_lhx_extsi.
2783         (mips_lhx_<mode>): Delete.
2784         (mips_lwx): Delete.
2785         (mips_l<size>x): New expand.
2786         (mips_lwx_<mode>): Delete.
2787         (mips_l<GPR:size>x_<P:mode>): New pattern.
2788         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2789         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2790         * config/mips/mips.c (mips_lx_address_p): New function.
2791         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2792         (dsp64): New availability predicate.
2793         (mips_builtins): Add an entry for __builtin_mips_ldx.
2794         * config/mips/mips.h (ISA_HAS_LBX): New define.
2795         (ISA_HAS_LBUX): Likewise.
2796         (ISA_HAS_LHX): Likewise.
2797         (ISA_HAS_LHUX): Likewise.
2798         (ISA_HAS_LWX): Likewise.
2799         (ISA_HAS_LWUX): Likewise.
2800         (ISA_HAS_LDX): Likewise.
2801         * doc/extend.texi (__builtin_mips_ldx): Document.
2802
2803 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2804
2805         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2806         when long pointers are used.
2807         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2808         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2809         (ia64-hp-*vms*): Remove.
2810         * config/vms/xm-vms64.h: Delete.
2811
2812 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2813
2814         PR middle-end/51472
2815         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2816
2817 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2818
2819         * opts.c (finish_options): Remove duplicate sorry.
2820
2821 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2822
2823         PR middle-end/51696
2824         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2825         correctly.
2826
2827 2012-01-04  Richard Guenther  <rguenther@suse.de>
2828
2829         PR middle-end/51750
2830         * tree.c (size_low_cst): New function.
2831         * tree.h (size_low_cst): Declare.
2832         * fold-const.c (fold_comparison): Use it to extract the low
2833         part of the POINTER_PLUS_EXPR offset.
2834
2835 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2836
2837         Fix clearing ZERO_REG
2838         * config/avr/avr.md (cc): Add alternative "ldi".
2839         (movqi_insn): Use it in cc attribute.
2840         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2841         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2842         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2843
2844 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2845
2846         * configure: Regenerate.
2847
2848 2012-01-04  Richard Guenther  <rguenther@suse.de>
2849
2850         PR tree-optimization/49651
2851         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2852         (var_can_have_subvars): Use it.
2853         (get_constraint_for_1): Only consider subfields if there can be any.
2854
2855 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2856
2857         PR bootstrap/51725
2858         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2859         to its new canonical_cselib_val and the cselib_val was in
2860         first_containing_mem chain, but the canonical_cselib_val was not,
2861         add the latter into the chain.
2862         (cselib_invalidate_mem): Compare canonical_cselib_val of
2863         addr_list chain elt with v.
2864
2865         PR pch/51722
2866         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2867         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2868         of xstrdup.
2869         (output_macinfo_op): Don't ggc_strdup fd->filename.
2870         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2871         then ggc_strdup it.  Don't free inc->info or cur->info.
2872         (output_macinfo): Don't free ref->info or file->info.
2873
2874 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2875
2876         PR tree-optimization/51269
2877         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2878         first_niters a pointer.
2879         (slpeel_tree_peel_loop_to_edge): Likewise.
2880         (vect_do_peeling_for_loop_bound): Update call to
2881         slpeel_tree_peel_loop_to_edge.
2882         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2883         here.  Remove it from the parameters list.
2884         (vect_do_peeling_for_alignment): Update calls and compute
2885         wide_prolog_niters.
2886
2887 2012-01-03  Richard Guenther  <rguenther@suse.de>
2888
2889         PR tree-optimization/51070
2890         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2891         Properly handle calls.
2892
2893 2012-01-03  Richard Guenther  <rguenther@suse.de>
2894
2895         PR tree-optimization/51692
2896         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2897         the LHS of allocation stmts.
2898
2899 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2900
2901         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2902
2903 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2904
2905         * collect2.c (main): In AIX specific computations for vector
2906         insertions, use CONST_CAST2 to cast from char ** to const char **.
2907
2908 2012-01-03  Richard Guenther  <rguenther@suse.de>
2909
2910         PR debug/51650
2911         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2912         the context of a limbo DIE when it does not already exist.
2913
2914 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2915
2916         PR tree-optimization/51719
2917         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2918         but direct call is, clear direct call's lhs and don't add fallthrough
2919         edge from dcall_bb to join_bb and PHIs.
2920
2921 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2922
2923         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2924         the instructions emitted by the pattern.
2925         ("*TDC_insn_<mode>"): Add comment.
2926
2927 2012-01-03  Richard Guenther  <rguenther@suse.de>
2928
2929         PR middle-end/51730
2930         * fold-const.c (fold_comparison): Properly canonicalize
2931         tree offset and HOST_WIDE_INT bit position.
2932
2933 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2934
2935         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2936         operands for extzv pattern.
2937
2938 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR bootstrap/51725
2941         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2942         on mem_elt first.
2943
2944 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2945
2946         * doc/invoke.texi (-flto and related options): Copy-edit.
2947
2948 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2949
2950         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2951
2952 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2953
2954         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2955         New patterns.
2956
2957 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2958
2959         * expr.h (move_by_pieces_ninsns): Declare.
2960         * expr.c (move_by_pieces_ninsns): Make external.
2961         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2962         (mips_store_by_pieces_p): Likewise.
2963         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2964         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2965         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2966         (mips_store_by_pieces_p): Likewise.
2967
2968 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2969
2970         * passes.c (register_one_dump_file): Free full_name.
2971
2972         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2973         (calculate_elim_costs_all_insns): Free offsets_at and
2974         offsets_known_at at the end and clear the pointers.
2975
2976 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2977
2978         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2979         this option introduced in r180739.
2980
2981 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2982
2983         PR target/51345
2984         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2985         (tmake_file target=avr): Add avr/t-multilib.
2986
2987         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2988         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2989         * config/avr/genmultilib.awk: New file.
2990         * config/avr/t-multilib: New auto-generated file.
2991         * config/avr/multilib.h: New auto-generated file.
2992         * config/avr/t-avr (AVR_MCUS): New variable.
2993         (genopt.sh): Use it.
2994         (s-mlib): Depend on t-multilib.
2995         (t-multilib, multilib.h): New dependencies.
2996         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2997         (MULTILIB_OPTIONS): Remove.
2998         (MULTILIB_MATCHES): Remove.
2999         (MULTILIB_DIRNAMES): Remove.
3000         (MULTILIB_EXCEPTIONS): Remove:
3001         * config/avr/genopt.sh: Don't use hard coded file name;
3002         pass AVR_MCUS from t-avr instead.
3003
3004 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3005
3006         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3007
3008 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3009
3010         Implement light-weight DImode support.
3011         * config/avr/avr-dimode.md: New file.
3012         * config/avr/avr.md: Include it.
3013         (adjust_len): Add plus64, compare64.
3014         (HIDI): Remove code iterator.
3015         (code_stdname): New code attribute.
3016         (rotx, rotsmode): Remove DI.
3017         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3018         as code iterator.
3019         * config/avr/avr-protos.h (avr_have_dimode): New.
3020         (avr_out_plus64, avr_out_compare64): New.
3021         * config/avr/avr.c (avr_out_compare): Handle DImode.
3022         (avr_have_dimode): New variable definition and initialization.
3023         (avr_out_compare64, avr_out_plus64): New functions.
3024         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3025         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3026         (avr_compare_pattern): Skip DImode comparisons.
3027
3028 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3029
3030         * ddg.c (def_has_ccmode_p): New function.
3031         (add_cross_iteration_register_deps,
3032         create_ddg_dep_from_intra_loop_link): Call it.
3033
3034 2012-01-02  Richard Guenther  <rguenther@suse.de>
3035
3036         PR other/51679
3037         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3038
3039 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3040
3041         * gcc.c (process_command): Update copyright notice dates.
3042         * gcov.c (print_version): Likewise.
3043         * gcov-dump.c (print_version): Likewise.
3044         * mips-tfile.c (main): Likewise.
3045         * mips-tdump.c (main): Likewise.
3046
3047 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3048
3049         PR tree-optimization/51704
3050         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3051         a use is inside the basic block or loop before accessing its vect info.
3052
3053 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3054
3055         PR rtl-optimization/51069
3056         * cfgloopmanip.c (remove_path): Removing path making irreducible
3057         region unconditional makes BB part of the region.
3058
3059 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3060
3061         PR tree-optimization/51683
3062         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3063         calls with side-effects.
3064         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3065 \f
3066 Copyright (C) 2012 Free Software Foundation, Inc.
3067
3068 Copying and distribution of this file, with or without modification,
3069 are permitted in any medium without royalty provided the copyright
3070 notice and this notice are preserved.