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