* config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
[official-gcc.git] / gcc / ChangeLog
blobfdd225cfd6cee1c72ca29847e362d533e8c2ed4b
1 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
5 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
7         * config/sh/predicates.md: Remove blank lines.
8         * config/sh/sh.c: Fix typos in comments.
9         * config/sh/constraints.md: Likewise.
10         * config/sh/sh.md: Remove blank lines.
11         Fix typos in comments.  Use ;; as comment characters.
13 2012-02-26  Walter Lee  <walt@tilera.com>
15         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction
16         pattern.
17         (replace_mov_pcrel_step2): Ditto.
19 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
21         PR debug/52001
22         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
23         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
24         and locs that reference values newer than the non-canonical value
25         at hand.  Return the canonical value as a worst case.
26         (memrefs_conflict_p): Walk canonical value's locs.
28         PR debug/52001
29         * cselib.c (preserve_only_constants): Rename to...
30         (preserve_constants_and_equivs): ... this.  Split out...
31         (invariant_or_equiv_p): ... this.  Preserve plus expressions
32         of other preserved expressions too.
33         (cselib_reset_table): Adjust.
34         * var-tracking.c (reverse_op): Use canonical value to build
35         reverse operation.
37 2012-02-23  Kai Tietz  <ktietz@redhat.com>
39         * config/i386/i386.c (ix86_delegitimize_address): Handle
40         UNSPEC_PCREL plus displacement.
42 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
44         PR target/52261
45         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
46         to test for unusedness in st X addressing.
48 2012-02-24  Richard Guenther  <rguenther@suse.de>
50         PR middle-end/52361
51         * gimple.c (walk_gimple_op): Use predicates with less redundant
52         tests.
53         (is_gimple_reg_type): Move inline ...
54         * gimple.h (is_gimple_reg_type): ... here.
56 2012-02-24  Richard Guenther  <rguenther@suse.de>
58         PR middle-end/52361
59         * passes.c (execute_function_todo): When verifying SSA form
60         verify gimple form first.
61         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
63 2012-02-24  Richard Guenther  <rguenther@suse.de>
65         PR middle-end/52355
66         * fold-const.c (fold_addr_of_array_ref_difference): New function.
67         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j]
68         folding.
70 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
72         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
74 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
76         * tree-phinodes.c (make_phi_node): Mark static.
77         * tree-flow.h (make_phi_node): Remove extern decl.
78         * doc/gimple.texi (make_phi_node): Remove documentation.
80 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
82         * tree-into-ssa (update_ssa): Avoid trailing whitespace in
83         dump_file.
84         * tree-ssa-sccvn.c (print_scc): Ditto.
86 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
88         * doc/passes.texi (Full redundancy elimination): Fix typo.
90 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
92         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
94 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
96         PR bootstrap/52287
97         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
99 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
101         PR c/52290
102         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
104 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
106         * config/avr/avr.md (code_stdname): Add ior, xor.
107         (xior): New code iterator.
108         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
109         (*<code_stdname><mode>qi.byte1-3): Ditto.
111 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
113         PR tree-optimization/52019
114         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
115         CLOBBER stmts.
117 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
119         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
120         HAVE_INITFINI_ARRAY to work around namespace pollution in
121         certain versions of newlib system headers.
122         * config.in: Regenerate.
123         * configure: Regenerate.
124         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
125         instead of HAVE_INITFINI_ARRAY.
127 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
129         PR target/52330
130         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
131         is not offsettable memory reference.
133 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
135         PR target/18145
136         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
137         setting avr_need_clear_bss_p for __gnu_lto* symbols.
139 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
141         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
142         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
144 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
146         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
147         library on Solaris 8 even without TLS support.
148         * configure: Regenerate.
150 2012-02-22  Richard Guenther  <rguenther@suse.de>
152         PR middle-end/52329
153         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
154         for GIMPLE_DEBUG stmts.
156 2012-02-22  Martin Jambor  <mjambor@suse.cz>
158         PR middle-end/51782
159         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
160         according to the base object.
162 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
164         PR rtl-optimization/50063
165         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
166         and 2 (8-bit SP) in operand 2.
167         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
168         setup to use movhi_sp_r instead of vanilla move to write SP.
169         Adjust REG_CFA notes to superseed unspec.
170         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
171         of vanilla move.
172         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
173         known to be off) only with TARGET_NO_INTERRUPTS. Never use
174         irq_state 1 (IRQ known to be on) here.
176 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
178         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
179         WORDS_BIG_ENDIAN.
180         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
181         assign_hard_reg): Likewise.
183 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
185         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
187 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
189         * config/avr/avr.md
190         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
191         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
193 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
195         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
196         prototype from here to...
197         * config/avr/avr.h: ...here.
199 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
201         PR target/52294
202         * thumb2.md (thumb2_shiftsi3_short): Split register and
203         immediate shifts.  For register shifts tie operands 0 and 1.
204         (peephole2 for above): Check that register-controlled shifts
205         have suitably tied operands.
207 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
209         PR target/52137
210         * config/i386/bdver1.md (bdver1_call, bdver1_push,
211         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
212         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
213         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
214         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
215         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
216         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
217         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
218         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
219         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
220         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
221         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
222         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
223         bdver1_ssevector_avx256_unaligned_load,
224         bdver1_ssevector_sse128_unaligned_load,
225         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
226         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
227         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
228         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
229         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
230         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
231         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
232         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
233         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
234         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
235         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
236         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
237         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
238         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
239         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
240         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
241         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
242         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
243         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
244         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
245         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
246         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
247         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
248         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
249         bdver1_ssediv_double_load, bdver1_ssediv_double,
250         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
251         Add "bdver2" attribute.
253 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
255         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
256         default if possible and not specified otherwise.
258 2012-02-21  Richard Guenther  <rguenther@suse.de>
260         PR middle-end/52314
261         * gimplify.c (create_tmp_from_val): Use the main variant type
262         for the type of the temporary we create.
264 2012-02-21  Richard Guenther  <rguenther@suse.de>
266         PR tree-optimization/52324
267         * gimplify.c (gimplify_expr): When re-gimplifying expressions
268         do not gimplify a MEM_REF address operand if it is already
269         in suitable form.
271 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
273         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
274         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
276 2012-02-21  Richard Guenther  <rguenther@suse.de>
278         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
279         nested_in_vect_loop.
281 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
283         PR tree-optimization/52318
284         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
285         vdef also to non-pure/const call stmts in the sequence.
287 2012-02-20  David S. Miller  <davem@davemloft.net>
289         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
290         don't use the "rd %pc" instruction on v9 for PIC register loads.
292 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
294         PR middle-end/52141
295         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
296         in a transaction safe function.
298 2012-02-20  Kai Tietz  <ktietz@redhat.com>
300         PR target/52238
301         * stor-layout.c (place_field): Handle desired_align for
302         ms-bitfields, too.
304 2012-02-20  Richard Guenther  <rguenther@suse.de>
306         PR tree-optimization/52298
307         * tree-vect-stmts.c (vectorizable_store): Properly use
308         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
309         outer loops.
310         (vectorizable_load): Likewise.
311         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
312         Access DR_STEP after ensuring it is not NULL.
314 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
316         PR tree-optimization/52286
317         * fold-const.c (fold_binary_loc): For (X & C1) | C2
318         optimization use double_int_to_tree instead of build_int_cst_wide,
319         rewrite to use double_int vars.
321 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
323         PR target/50166
324         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
325         Define _start.
326         Remove -e 0 from $gcc_cv_ld invocation.
327         Only use __GLIBC_PREREQ if defined.
328         Enable on Solaris since Solaris 8 patch.
329         (gcc_SUN_LD_VERSION): New macro.
330         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
331         gcc_SUN_LD_VERSION for version number format.
332         * configure: Regenerate.
333         * varasm.c (get_elf_initfini_array_priority_section): Set
334         SECTION_NOTYPE for non-default priority.
335         Use get_section instead of get_unnamed_section to emit
336         .init_array/.fini_array with default priority.
338 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
340         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
341         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
342         (mips_start_unique_function, mips_output_mips16_rdhwr)
343         (mips_code_end): New functions.
344         (TARGET_ASM_CODE_END): Define.
346 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
348         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
349         to stubs with non-sibling calls.
351 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
353         * doc/invoke.texi (-fira-* options): Copy-edit.
354         (ira-* parameters): Copy-edit.
356 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
358         * doc/invoke.texi: Minor copy-edits to bring into conformance with
359         GCC coding conventions.
361 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
363         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
364         when used as adjectives.
366 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
368         * doc/invoke.texi: Clean up "that"/"which" confusion.
370 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
372         * system.h: Poison SMALL_REGISTER_CLASSES
373         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
374         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
376 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
378         PR tree-optimization/52285
379         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
380         when deciding if a call is a tail call or tail recursion.
382 2012-02-16  Kai Tietz  <ktietz@redhat.com>
384         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
385         interger-constant displacement for UNSPEC_PCREL.
387 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
389         PR rtl-optimization/52208
390         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
391         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
393         PR tree-optimization/52255
394         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
395         loop->header has virtual PHI, but exit_e->dest doesn't, add
396         virtual PHI to exit_e->dest and adjust all uses after the loop.
398         PR debug/52260
399         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
400         children with clone_tree_hash, not after it.
402 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
404         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
405         extended identifiers.
407 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
409         PR middle-end/51929
410         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
411         a same_body_alias, also test whether e->callee isn't a former
412         or current clone of the decl this is a same body alias of.
414         PR translation/52264
415         * cgraphunit.c (verify_cgraph_node): Fix a typo.
417 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
419         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
421 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
423         PR target/52199
424         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
425         force_reg instead of copy_to_reg for better optimization.  Force
426         non-register or memory operands into a register.
428 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
430         * extend.texi: Reserve upper bits of memory model for future use.
432 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
433             Anatoly Sokolov <aesok@post.ru>
434             Eric Weddington <eric.weddington@atmel.com>
436         PR target/52261
437         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
438         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
439         Rewrite initializers for .macro.
440         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
441         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
442         atxmega32d4, atxmega32x1.
443         avrxmega4: atxmega64a3, atxmega64d3.
444         avrxmega5: atxmega64a1, atxmega64a1u.
445         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
446         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
447         avrxmega7: atxmega128a1, atxmega128a1u.
448         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
449         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
450         (struct base_arch_s): Rename reserved to xmega_p.
451         Rename reserved2 to have_rampd.
452         (AVR_XMEGA): New define.
453         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
454         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
455         * config/avr/predicates.md (io_address_operand): Take into
456         account SFR offset.
457         (low_io_address_operand): Ditto.
458         (high_io_address_operand): Ditto.
459         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
460         (enabled, movhi_sp_r): Use them.
461         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
462         cpp_define_formatted to built-in define __AVR_ARCH__.
463         (__AVR_XMEGA__): New built-in define.
464         (__AVR_HAVE_RAMPD__): New built-in define.
465         (__AVR_HAVE_RAMPX__): New built-in define.
466         (__AVR_HAVE_RAMPY__): New built-in define.
467         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
469         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
470         (avr_option_override): Initialize them.
471         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
472         (avr_init_expanders): Initialize them. No more block several calls.
473         (emit_push_sfr): New static function.
474         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
475         Handle AVR_XMEGA.
476         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
477         (avr_print_operand): Print addreeses as symbols for
478         RAMPX, RAMPY, RAMPD, CCP.
479         (output_movhi): Handle AVR_XMEGA when writing to SP.
480         (avr_out_movhi_mr_r_xmega): New static function.
481         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
482         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
483         __RAMPD__,  __CCP__ as needed.
485         * config/avr/multilib.h: Regenerate.
486         * config/avr/t-multilib: Regenerate.
487         * config/avr/avr-tables.opt: Regenerate.
489 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
491         PR tree-optimization/50561
492         * graphite-flattening.c (lst_project_loop): Do not
493         remove old scattering dimensions after flattening.
494         (lst_do_flatten): Likewise.
496 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
498         * doc/extend.texi (AVR Built-in Functions): Remove doc for
499         __builtin_avr_map8, __builtin_avr_map16.
500         Document __builtin_avr_insert_bits.
502         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
503         (insert_bits): New insn.
504         (adjust_len.map_bits): Rename to insert_bits.
505         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
506         * avr-protos.h (avr_out_map_bits): Remove.
507         (avr_out_insert_bits, avr_has_nibble_0xf): New.
508         * config/avr/constraints.md (Cxf,C0f): New.
509         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
510         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
511         New built-in define __BUILTIN_AVR_INSERT_BITS.
512         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
513         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
514         (avr_move_bits): Rewrite.
515         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
516         functions.
517         (avr_map_op_t): New typedef.
518         (avr_map_op): New static variable.
519         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
520         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
521         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
522         (bdesc_3arg, avr_expand_triop_builtin): New.
523         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
524         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
525         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
526         (avr_map_equal_p, avr_map_sig_p): Remove.
527         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
528         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
529         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
530         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
531         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
532         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
534 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
536         * config/c6x/c6x.md (reserve_cycles): New attribute.
537         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
538         don't reserve functional units after the branch occurs.
540 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
542         PR middle-end/52142
543         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
544         functions into non-tm_pure functions.
546 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
548         PR lto/52178
549         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
550         (iterative_hash_canonical_type): Likewise.
551         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
552         the dead edges.
554 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
556         * haifa-sched.c (prune_ready_list): Ensure that if there is a
557         sched-group insn, it either remains alone or the entire list is pruned.
559 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
561         * doc/install.texi (Prerequisites): Fix grammar.
562         (Configuration): Likewise.
564 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
566         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
567         MPC as part of GCC before describing configuring with --with-gmp etc.
568         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
569         sources are present.
571 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
573         PR debug/51950
574         * dwarf2out.c (clone_tree_hash): New function.
575         (copy_decls_walk): Use it instead of clone_tree.
577 2012-02-14  Richard Guenther  <rguenther@suse.de>
579         PR tree-optimization/52244
580         PR tree-optimization/51528
581         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
582         replacements for integral types.
584 2012-02-14  Walter Lee  <walt@tilera.com>
586         * config.gcc: Handle tilegx and tilepro.
587         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
588         tilegx and tilepro.
589         Add HAVE_AS_TLS check for tilegx and tilepro.
590         * configure: Regenerate.
591         * doc/contrib.texi: Add Mat Hostetter and self.
592         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
593         Document instruction intrinsics and network accessing intrinsics.
594         (TILEPro Built-in Functions): New node.  Document instruction
595         intrinsics and network accessing intrinsics.
596         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
597         (Specific, tilepro-*-linux*): Likewise.
598         * doc/invoke.texi (TILE-Gx Options): New section.
599         (TILEPro Options): New section.
600         * doc/md.texi (TILE-Gx): New section.
601         (TILEPro): New section.
602         * common/config/tilegx/tilegx-common.c: New file.
603         * common/config/tilepro/tilepro-common.c: New file.
604         * config/tilegx/constraints.md: New file.
605         * config/tilegx/linux.h: New file.
606         * config/tilegx/mul-tables.c: New file.
607         * config/tilegx/predicates.md: New file.
608         * config/tilegx/sync.md: New file.
609         * config/tilegx/t-tilegx: New file.
610         * config/tilegx/tilegx-builtins.h: New file.
611         * config/tilegx/tilegx-c.c: New file.
612         * config/tilegx/tilegx-generic.md: New file.
613         * config/tilegx/tilegx-modes.def: New file.
614         * config/tilegx/tilegx-multiply.h: New file.
615         * config/tilegx/tilegx-protos.h: New file.
616         * config/tilegx/tilegx.c: New file.
617         * config/tilegx/tilegx.h: New file.
618         * config/tilegx/tilegx.md: New file.
619         * config/tilegx/tilegx.opt: New file.
620         * config/tilepro/constraints.md: New file.
621         * config/tilepro/gen-mul-tables.cc: New file.
622         * config/tilepro/linux.h: New file.
623         * config/tilepro/mul-tables.c: New file.
624         * config/tilepro/predicates.md: New file.
625         * config/tilepro/t-tilepro: New file.
626         * config/tilepro/tilepro-builtins.h: New file.
627         * config/tilepro/tilepro-c.c: New file.
628         * config/tilepro/tilepro-generic.md: New file.
629         * config/tilepro/tilepro-modes.def: New file.
630         * config/tilepro/tilepro-multiply.h: New file.
631         * config/tilepro/tilepro-protos.h: New file.
632         * config/tilepro/tilepro.c: New file.
633         * config/tilepro/tilepro.h: New file.
634         * config/tilepro/tilepro.md: New file.
635         * config/tilepro/tilepro.opt: New file.
637 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
639         PR tree-optimization/52210
640         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
641         vect_model_simple_cost with two entry vect_def_type array instead
642         of an address of dt.
644 2012-02-14  Richard Guenther  <rguenther@suse.de>
646         PR lto/52178
647         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
648         Do not stream DECL_QUALIFIER.
649         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
650         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
651         (find_decls_types_r): Do not walk DECL_QUALIFIER.
653 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
655         PR c/52181
656         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
657         newdecl.
659 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
661         PR bootstrap/52172
662         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
663         * cselib.c (cselib_subst_to_values_from_insn): New function.
664         * sched-deps.c (add_insn_mem_dependence,
665         sched_analyze_1, sched_analyze_2): Use it.
667 2012-02-13  Jan Hubicka  <jh@suse.cz>
669         PR middle-end/52214
670         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
672 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
674         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
675         (GTM_SELF_SPECS): Define if not already defined.
676         (driver_self_specs): Add GTM_SELF_SPECS.
677         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
678         (GTM_SELF_SPECS): Define.
679         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
680         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
682 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
684         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
685         away if seen.
687         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
689         PR middle-end/52230
690         * omp-low.c (expand_omp_for): If a static schedule without chunk size
691         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
693 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
695         PR c/52190
696         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
698 2012-02-13  Richard Guenther  <rguenther@suse.de>
700         PR translation/52211
701         * passes.c (enable_disable_pass): Fix typo.
703 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
705         PR middle-end/52209
706         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
707         XOR for reduce_bit_field if type is unsigned.
709 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
711         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
712         disallow changes from SFmode to mode with different size in FP regs.
714 2012-02-12  Robert Millan  <rmh@gnu.org>
715             Gerald Pfeifer <gerald@pfeifer.com>
717         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
718         Tweak comment.
720 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
722         PR rtl-optimization/52175
723         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
724         to frame-related instructions.
726 2012-02-10  Jason Merrill  <jason@redhat.com>
728         PR c++/51910
729         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
730         (demangle_new_symbols): Fill it.
731         (scan_linker_output): Walk it.
732         (start_tweaking): Split out from scan_linker_output.
733         (maybe_tweak): Update sym->chosen.
734         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
736 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
738         PR debug/52132
739         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
741 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
743         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
744         having the same mode as previous compare.
746 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
748         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
749         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
750         (nonlocal_goto_internal): Likewise.
751         (nonlocal_goto): Emit a use and an indirect jump directly.
753 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
755         PR c/52190
756         * doc/extend.texi : Update comments for __atomic_compare_exchange and
757         __atomic_{is,always}_lock_free.
759 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
761         PR target/52146
762         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
763         negative constant address for x32.
765 2012-02-10  Richard Henderson  <rth@redhat.com>
767         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
768         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
769         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
771 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
772             Ira Rosen  <irar@il.ibm.com>
774         PR tree-optimization/50031
775         * targhooks.c (default_builtin_vectorization_cost): Handle
776         vec_promote_demote.
777         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
778         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
779         all types of reduction and pattern statements.
780         (vect_estimate_min_profitable_iters): Likewise.
781         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
782         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
783         for explicit realigns.
784         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
785         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
786         vec_promote_demote.
787         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
788         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
789         vec_perm for VSX and handle vec_promote_demote.
791 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
793         PR middle-end/52177
794         * builtins.c (fold_builtin_atomic_always_lock_free,
795         expand_builtin_atomic_always_lock_free,
796         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
797         Return and/or test boolean_true_node/boolean_false_node instead of
798         integer_one_node/integer_zero_node.
800 2012-02-10  Jan Hubicka  <jh@suse.cz>
802         PR middle-end/48600
803         * predict.c (predict_paths_for_bb): Prevent looping.
804         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
806 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
808         * config/arm/arm.c (output_move_double): In one case properly
809         count number of instructions that will be emitted.
811 2012-02-10  Richard Guenther  <rguenther@suse.de>
813         PR translation/52193
814         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
816 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
818         PR middle-end/52140
819         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
821 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
823         PR debug/52165
824         * var-tracking.c (emit_note_insn_var_location): If
825         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
826         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
827         non-NOTE_DURING_CALL_P insn.
829 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
831         PR middle-end/51867
832         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
834 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
836         PR driver/48524
837         * gcc.c (switch_matches) Support switches with separated form,
838         -D and -U.
840 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
842         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
843         (SP_ADDR): Ditto.
844         (RAMPZ_ADDR): Ditto.
845         * config/avr/avr.c (avr_addr_t): New typedef.
846         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
847         (avr_init_expanders): Initialize it.
848         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
849         SREG_ADDR.
850         (expand_epilogue): Ditto.
851         (avr_print_operand): Ditto.
852         (avr_file_start): Ditto.
853         (avr_emit_movmemhi): Ditto.
855 2012-02-08  Richard Guenther  <rguenther@suse.de>
857         PR tree-optimization/46886
858         * tree-flow.h (do_while_loop_p): Declare.
859         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
860         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
862 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
864         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
865         always succeed for integers larger than a native word.
867 2012-02-08  Richard Guenther  <rguenther@suse.de>
869         PR rtl-optimization/52170
870         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
871         properly handle integer vector modes.
873 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
875         PR gcov-profile/52150
876         * coverage.c: Include target.h.
877         (build_var): Call targetm.strip_name_encoding on the assembler name.
878         Change one _ into . or $ if the target allows it.
879         * Makefile.in (coverage.o): Depend on $(TARGET_H).
881         PR rtl-optimization/52139
882         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
883         is a BARRIER after emit_insn_after_noloc, move BB_END
884         to the last non-BARRIER insn before it.
886 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
888         PR middle-end/24306
889         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
890         (mips_gimplify_va_arg_expr): Call it instead of
891         std_gimplify_va_arg_expr.
893 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
895         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
896         message for -mno-pointers-to-nested-function.
898 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
900         PR middle-end/51994
901         * expr.c (get_inner_reference): If there is an offset, add a negative
902         bit position to it (if any).
904 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
906         PR rtl-optimization/52060
907         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
908         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
909         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
910         and/or i0src_copy2 when needed.
912 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
914         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
915         or LTOPLUGINSONAME if have_c.
917         * config/freebsd-spec.h: Add comment about what macros can be defined
918         in this header.
919         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
920         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
921         here instead.
923 2012-02-07  Richard Guenther  <rguenther@suse.de>
925         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
926         newline in -alias dumps.
928 2012-02-07  Kai Tietz  <ktietz@redhat.com>
929             Dave Korn  <dave.korn.cygwin@gmail.com>
931         PR target/40068
932         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
933         Take care that typinfo gets dllexport-attribute.
935 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
937         PR middle-end/52074
938         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
939         if modifier < EXPAND_SUM call force_operand on the result.
941 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
943         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
944         adding __forwarder_dst__ prefix if a forwarder_section attribute is
945         present.
946         (epiphany_function_type): Replace types for specific interrupts with
947         EPIPHANY_FUNCTION_INTERRUPT.
948         (EPIPHANY_INTERRUPT_P): Update.
949         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
950         New static function.
951         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
952         <disinterrupt>: Affects type identity.
953         (epiphany_handle_interrupt_attribute): Handle variable number of
954         arguments.
955         (epiphany_compute_function_type): Update for new
956         epiphany_function_type definition.
957         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
958         handlers with a longcall forwarder.
959         (epiphany_start_function): Handle multiple interrupt arguments and/or
960         forwarder_section attribute.
962         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
963         libgloss.
965 2012-02-07  Alan Modra  <amodra@gmail.com>
967         PR target/52107
968         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
969         subregs of TFmode.
971 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
973         PR tree-optimization/50969
974         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
975         use vec_perm rather than vector_stmt.
976         (vect_model_load_cost): Likewise.
977         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
978         vec_perm to be the same as other vector statements.
979         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
980         cost of vec_perm for TARGET_VSX.
982 2012-02-06  Richard Guenther  <rguenther@suse.de>
984         PR tree-optimization/52115
985         * tree-sra.c (access_has_replacements_p): New function.
986         (sra_modify_assign): Use it to decide whether a use is uninitialized.
988 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
990         PR middle-end/52047
991         * trans-mem.c (expand_call_tm): Add an assertion.
992         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
993         functions.
995 2012-02-06  Richard Guenther  <rguenther@suse.de>
997         PR tree-optimization/50955
998         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
999         raise cost of expressions that replace an address with an
1000         expression based on a different pointer.
1002 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1004         PR target/52129
1005         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1006         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1008 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1010         PR c++/48680
1011         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1012         -Weffc++ and specify guidelines come from second edition.
1014 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1016         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1017         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1018         (call_direct_split, call_value_split, call_value_internal_direct)
1019         (call_value_direct_split, call_value_multiple_split): Use jal and
1020         jal_macro attributes.
1022 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1024         * reload1.c (reload_regs_reach_end_p): Replace with...
1025         (reload_reg_rtx_reaches_end_p): ...this function.
1026         (new_spill_reg_store): Update commentary.
1027         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1028         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1029         before setting new_spill_reg_store.
1030         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1031         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1032         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1033         for non-spill reload registers.
1035 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1037         PR tree-optimization/52091
1038         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1039         (vect_is_simple_use_1): Likewise.
1040         * tree-vect-loop.c (vectorizable_reduction): Update calls
1041         to vect_is_simple_use_1 and vect_is_simple_use.
1042         (vectorizable_live_operation): Likewise.
1043         * tree-vect-patterns.c (widened_name_p,
1044         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1045         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1046         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1047         vectorizable_shift,vectorizable_operation, vectorizable_store,
1048         vectorizable_load): Likewise.
1049         (vect_is_simple_cond): Add an argument, pass it to
1050         vect_is_simple_use_1.
1051         (vectorizable_condition): Update calls to vect_is_simple_cond,
1052         vect_is_simple_use.
1053         (vect_is_simple_use): Add an argument, the statement in which
1054         OPERAND is used.  Check that if OPERAND's def stmt is a double
1055         reduction phi node, the use is a phi node too.
1056         (vect_is_simple_use_1): Add an argument, pass it to
1057         vect_is_simple_use.
1058         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1059         to vect_is_simple_use.
1061 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1063         PR rtl-optimization/52095
1064         * modulo-sched.c (dump_insn_locator): New function.
1065         (loop_canon_p, sms_schedule): Use it.
1067         PR rtl-optimization/52113
1068         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1069         even for decomposable shift/zext insns.
1071 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1072             Zdenek Dvorak  <ook@ucw.cz>
1074         PR rtl-optimization/52092
1075         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1076         on get_iv_value result.
1078 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1080         PR middle-end/47982
1081         PR middle-end/43967
1082         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1084 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1086         PR middle-end/48071
1087         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1089 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1091         PR rtl-optimization/49800
1092         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1093         (sched_finish): Call regstat_free_n_sets_and_refs.
1095 2012-02-02  Jia Liu  <proljc@gmail.com>
1097         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1098         than operand 2.
1100 2012-02-02  Jan Hubicka  <jh@suse.cz>
1101             Tom de Vries  <tom@codesourcery.com>
1103         PR middle-end/51998
1104         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1105         * varpool.c (varpool_analyze_pending_decls): Likewise.
1107 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1108             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1110         * config.gcc: Add cr16-* support.
1112         * doc/extend.texi: Document cr16 extensions.
1113         * doc/install.texi: Document cr16 install.
1114         * doc/invoke.texi: Document cr16 options.
1115         * doc/md.texi: Document cr16 constraints.
1117         * common/config/cr16/cr16-common.c: New file.
1118         * config/cr16/cr16.c: New file.
1119         * config/cr16/cr16.h: New file.
1120         * config/cr16/cr16.md: New file.
1121         * config/cr16/cr16.opt: New file.
1122         * config/cr16/cr16-protos.h: New file.
1123         * config/cr16/predicates.md: New file.
1124         * config/cr16/constraints.md: New file.
1125         * config/cr16/t-cr16: New file.
1127 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1129         PR target/52086
1130         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1131         that operands[2] is either immediate, or q_regs_operand.
1133         PR tree-optimization/52073
1134         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1135         a pattern stmt for pattern uses, ignore uses outside of the loop.
1137 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1139         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1140         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1141         (OUT_AS1, OUT_AS2): Remove.
1143 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1145         PR rtl-optimization/51374
1146         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1147         to cross other volatile_refs_p insns.
1149 2012-02-01  Richard Guenther  <rguenther@suse.de>
1151         * doc/invoke.texi (fno-inline): Clarify documentation.
1152         (finline-small-functions): Likewise.
1153         (finline-functions): Likewise.
1154         * common.opt (finline): Adjust comment and documentation.
1155         (finline-small-functions): Clarify documentation.
1156         (finline-functions): Likewise.
1157         (finline-functions-called-once): Likewise.
1159 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1161         * c-typeck.c (composite_type): Keep mode for pointers.
1163 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1165         * function.h (regno_reg_rtx): Adjust comment.
1166         * reginfo.c (init_reg_modes_target): Only use the previous mode
1167         if it fits within one register.  Remove MIPS comment.
1169 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1171         PR bootstrap/52058
1172         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1174 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1176         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1177         to srak instruction.
1179 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1181         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1183 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1185         PR bootstrap/52041
1186         PR bootstrap/52039
1187         PR target/51974
1188         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1190 2012-01-31  Richard Guenther  <rguenther@suse.de>
1192         PR tree-optimization/51528
1193         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1194         assigns.
1196 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1198         PR bootstrap/52041
1199         PR bootstrap/52039
1200         PR target/51974
1201         * ree.c (add_removable_extension): Change def_map argument
1202         to unsigned *, store in def_map 1 + offset into *insn_list vector
1203         instead of pointers into the vector.
1204         (find_removable_extensions): Adjust caller.
1206 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1208         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1209         Transform all "* quoted-c-code" to { c-code }.
1210         Remove redundant test for "optimize" in combine patterns.
1211         Move (include "avr-dimode.md") to end of file.
1213 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1215         PR target/51835
1216         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1217         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1219 2012-01-30  Richard Guenther  <rguenther@suse.de>
1221         PR tree-optimization/52028
1222         * tree-loop-distribution.c (ldist_gen): Properly update
1223         virtual SSA form.
1225 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1227         PR debug/52027
1228         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1229         set_cur_line_info_table if not emitting debug info.
1231         PR tree-optimization/52046
1232         * tree-vect-patterns.c (check_bool_pattern): Give up if
1233         a comparison could throw.
1235         PR debug/52048
1236         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1238 2012-01-30  Richard Guenther  <rguenther@suse.de>
1240         PR tree-optimization/52045
1241         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1242         SSA form if cfgcleanup did anything.
1244 2012-01-30  Richard Guenther  <rguenther@suse.de>
1246         PR tree-optimization/52045
1247         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1248         before computing final todo.
1250 2012-01-30  Richard Guenther  <rguenther@suse.de>
1252         PR tree-optimization/51528
1253         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1254         for PR51528 fix.
1256 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1258         * df-problems.c (df_kill_notes): Check that the use refers
1259         to the note under examination.
1261 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1263         PR target/51920
1264         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1265         parameter and use short-lived pseudos.
1266         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1267         (sparc_expand_vector_init): Const-ify local variables and adjust
1268         calls to above functions.
1270 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1272         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1274 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1276         * doc/invoke.texi: Make usage of "compile time" and
1277         "run time"/"runtime" consistent throughout the file.
1279 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1281         * config/alpha/alpha.c (alpha_option_override): Default to
1282         full IEEE compliance mode for Go language.
1284 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1286         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1287         (LINK_SSP_SPEC): Define.
1289 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1291         PR target/51871
1292         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1293         stubs.
1295 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1297         * doc/invoke.texi: Correct hyphenation of "floating point",
1298         "double precision", and related terminology throughout the file.
1300 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1302         PR target/52006
1303         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1304         arm_general_register_operand predicate for operand 2 instead of
1305         register_operand.
1307 2012-01-27  Ian Lance Taylor  <iant@google.com>
1309         PR go/47656
1310         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1311         * builtins.c (expand_builtin_init_trampoline): Add onstack
1312         parameter.  Change caller.
1313         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1314         * tree.c (build_common_builtin_nodes): Declare
1315         __builtin_init_heap_trampoline.
1317 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1319         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1320         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1321         * config/avr/avr.c: Ditto.
1322         (avr_regnames): Remove because unused.
1323         * config/avr/avr.md (*cpse.ne): New peephole.
1324         (*cpse.eq): New peephole from former cpse peepholes.
1326 2012-01-27  Michael Eager  <eager@eagercon.com>
1328         * config/microblaze.c (microblaze_emit_compare): Correct
1329         test after pcmp instruction.
1331 2012-01-27  Richard Guenther  <rguenther@suse.de>
1333         PR tree-optimization/52020
1334         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1336 2012-01-27  Richard Guenther  <rguenther@suse.de>
1338         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1339         function non-const/pure.
1341 2012-01-27  Richard Guenther  <rguenther@suse.de>
1343         PR tree-optimization/50444
1344         * tree-sra.c (build_ref_for_offset): Properly adjust the
1345         MEM_REF type for unaligned accesses.
1347 2012-01-27  Richard Guenther  <rguenther@suse.de>
1349         PR tree-optimization/50444
1350         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1351         (expand_assignment): Use it.  Properly handle misaligned
1352         bases when expanding stores to component references.
1353         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1354         refactor that case.
1356 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1358         PR middle-end/51389
1359         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1360         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1361         * tree-data-ref.c (find_data_references_in_loop): Make static.
1362         (compute_all_dependences): Change return type to bool.  Bail out
1363         for too many datarefs in a loop.  Move the hunk resetting the data
1364         dependences vector from ...
1365         (compute_data_dependences_for_loop): ... here.  Account for
1366         compute_all_dependences returning false.
1367         (compute_data_dependences_for_bb): Likewise.
1368         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1369         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1371 2012-01-27  Richard Guenther  <rguenther@suse.de>
1373         PR middle-end/51959
1374         * expr.c (store_field): Use the alias-set of the scratch memory
1375         for storing to it.
1377 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1379         PR tree-optimization/51990
1380         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1381         WITH_SIZE_EXPR.
1382         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1384 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1386         PR debug/52001
1387         * var-tracking.c (reverse_op): Don't add any reverse operation
1388         if V already has any constant locations.
1390 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1392         * doc/invoke.texi: Correct usage of "command line" (noun)
1393         vs "command-line" (adjective) throughout.
1395 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1397         * doc/invoke.texi (Language Independent Options): Move
1398         -Wcoverage-mismatch blurb from here....
1399         (Warning Options): ...to here.
1401 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1403         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1404         Set rs6000_always_hint to false for 476.
1406 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1408         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1409           system root.
1410         * incpath.c (add_standard_paths): Likewise.
1412 2012-01-27  Richard Henderson  <rth@redhat.com>
1414         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1415         * config/m68k/sync.md (atomic_test_and_set): Rename from
1416         sync_test_and_setqi and adjust the operands.
1417         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1418         and unconditionally enable.
1420 2012-01-27  Richard Henderson  <rth@redhat.com>
1422         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1423         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1424         (ldstub): Rename from ldstubqi.
1425         (ldstub<I24MODE>): Remove.
1427 2012-01-27  Richard Henderson  <rth@redhat.com>
1429         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1430         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1431         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1432         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1433         * doc/tm.texi: Rebuild.
1435 2012-01-27  Richard Henderson  <rth@redhat.com>
1437         * optabs.c (gen_atomic_test_and_set): Remove default.
1438         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1440 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1442         PR rtl-optimization/51978
1443         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1444         (combine_reaching_defs): Likewise.
1445         (struct re_info): Remove.
1446         (add_removable_extension): Remove x and data arguments,
1447         add insn, insn_list and def_map.  Use the arguments directly
1448         instead of using struct re_info.
1449         (find_removable_extensions): Don't call add_removable_extension
1450         through note_stores, instead just call it with single_set
1451         result if non-NULL.
1452         (find_and_remove_re): Pass curr_cand->expr instead of
1453         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1455 2012-01-26  Michael Matz  <matz@suse.de>
1457         PR tree-optimization/46590
1458         * cfgexpand.c: Revert last change (r183305).
1459         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1460         regs.
1461         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1462         checking for emptiness.
1464 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1466         PR middle-end/51895
1467         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1468         non-addressable non-BLKmode base correctly.
1470 2012-01-26  Michael Matz  <matz@suse.de>
1472         PR tree-optimization/48794
1473         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1474         regions referenced from RESX/EH_DISPATCH.
1476 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1478         * config/s390/s390.h: Make BRANCH_COST an option.
1479         * config/s390/s390.opt: New option -mbranch-cost.
1481 2012-01-26  Richard Henderson  <rth@redhat.com>
1483         Revert 2012-01-24 change:
1484         * trans-mem.c (requires_barrier): Do not instrument thread local
1485         variables and emit save/restore for them.
1487 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1489         PR middle-end/51986
1490         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1491         for pat == 0.
1493 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1495         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1496         ASM_OPERANDS.
1498 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1500         PR target/49868
1501         Rename __pgm to __flash.
1502         Rename __pgm1 to __flash1.
1503         Rename __pgm2 to __flash2.
1504         Rename __pgm3 to __flash3.
1505         Rename __pgm4 to __flash4.
1506         Rename __pgm5 to __flash5.
1507         Rename __pgmx to __memx.
1508         * doc/extend.texi (AVR Named Address Spaces)
1509         Rename address space names as indicated above.
1510         * config/avr/avr.c (avr_addrspace): Ditto.
1512         * config/avr/avr-protos.h
1513         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1514         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1515         * config/avr/predicates.md: Ditto.
1516         * config/avr/avr.c Ditto, and
1517         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1518         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1520         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1521         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1522         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1523         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1524         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1525         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1526         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1527         * config/avr/avr.c: Ditto.
1528         * config/avr/avr.md: Ditto.
1530 2012-01-25  Jason Merrill  <jason@redhat.com>
1532         PR c++/51992
1533         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1535 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1537         PR tree-optimization/51987
1538         * tree-data-ref.c (get_references_in_stmt): Handle references in
1539         non-volatile GIMPLE_ASM.
1541 2012-01-25  Richard Guenther  <rguenther@suse.de>
1543         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1544         bases are dereferenced.
1546 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1548         PR rtl-optimization/48374
1549         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1551 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1553         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1554         compute_data_dependences_for_loop returns false.
1555         * tree-parloops.c (loop_parallel_p): Likewise.
1557 2012-01-25  Richard Guenther  <rguenther@suse.de>
1559         * tree.h (get_pointer_alignment_1): Declare.
1560         * builtins.c (get_pointer_alignment_1): New function.
1561         (get_pointer_alignment): Use it.
1563 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1565         PR rtl-optimization/48308
1566         * combine.c (enum undo_kind): Add UNDO_LINKS.
1567         (struct undo): Add member l to other_contents and where.
1568         (do_SUBST_LINK): New.
1569         (SUBST_LINK): New.
1570         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1571         (undo_all): Handle UNDO_LINKS.
1573 2012-01-25  Richard Henderson  <rth@redhat.com>
1575         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1576         mem inputs.
1578 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1580         * optabs.c (gen_atomic_test_and_set): Use each argument.
1582 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1584         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1585         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1586         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1587         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1588         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1589         TARGET_PAIRED_SINGLE_FLOAT.
1591 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1593         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1594         (in_struct, return_val): Remove MEM documentation.
1595         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1596         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1597         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1598         and MEM_SCALAR.
1599         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1600         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1601         * expr.c (store_field): Likewise.
1602         * function.c (assign_stack_temp_for_type): Likewise.
1603         * ifcvt.c (noce_try_cmove_arith): Likewise.
1604         * reload1.c (reload): Likewise.
1605         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1606         (alpha_set_memflags): Likewise.
1607         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1609 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1611         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1612         parameter.
1613         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1614         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1615         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1616         varies parameter.
1617         * cselib.c (cselib_rtx_varies_p): Delete.
1618         (cselib_invalidate_mem): Update call to canon_true_dependence.
1619         * dse.c (record_store, check_mem_read_rtx): Likewise.
1620         (scan_reads_nospill): Likewise.
1621         * cse.c (check_dependence): Likewise.
1622         (cse_rtx_varies_p): Delete.
1623         * expr.c (safe_from_p): Update call to true_dependence.
1624         * ira.c (validate_equiv_mem_from_store): Likewise.
1625         (memref_referenced_p): Likewise.
1626         * postreload-gcse.c (find_mem_conflicts): Likewise.
1627         * sched-deps.c (sched_analyze_2): Likewise.
1628         * store-motion.c (load_kills_store): Likewise.
1629         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1630         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1631         (compute_transp): Update call to canon_true_dependence.
1633 2012-01-25  Richard Henderson  <rth@redhat.com>
1635         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1636         (maybe_emit_atomic_test_and_set): New.
1637         (expand_sync_lock_test_and_set): Use it.
1638         (expand_atomic_test_and_set): Likewise.
1639         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1640         the implementation; clarify implementation defined details.
1641         * doc/md.texi (atomic_test_and_set): Document.
1643 2012-01-25  Richard Henderson  <rth@redhat.com>
1645         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1647 2012-01-25  Richard Henderson  <rth@redhat.com>
1649         PR target/51968
1650         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1651         to effect no-op split.
1653 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1655         PR lto/51698
1656         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1657         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1658         (BT_FN_VOID_PTR_INT_SIZE): New.
1659         (BT_FN_UINT_UINT_VAR): Remove.
1660         (BT_FN_UINT32_UINT32_VAR): New.
1661         (BT_FN_DOUBLE_VPTR): Remove.
1662         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1664         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1665         (_ITM_changeTransactionMode): Same.
1666         (_ITM_memmoveRtWt): Change return type to void.
1667         (_ITM_memcpyRtWt): Same.
1668         (_ITM_memsetW): Same.
1669         (_ITM_RaRD): Change types to double.
1670         (_ITM_RD): Same.
1671         (_ITM_RaWD): Same.
1672         (_ITM_RfWD): Same.
1674         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1676 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1677             Patrick Marlier  <patrick.marlier@gmail.com>
1679         * trans-mem.c (requires_barrier): Do not instrument thread local
1680         variables and emit save/restore for them.
1682 2012-01-24  Jason Merrill  <jason@redhat.com>
1684         PR c++/51812
1685         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1686         output static aliases.
1688 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1690         PR driver/47249
1691         * common.opt (-pie, -shared, pie, shared): Change from Common to
1692         Driver.
1693         * gcc.c (display_help): Display help for -pie and -shared.
1695 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1697         PR target/49868
1698         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1699         Remove note on size/offset limitation.
1700         (AVR Variable Attributes): Add example how to read data located
1701         with progmem.  Refer to named address spaces.
1702         * doc/invoke.texi (AVR Options): Fix typo.
1704 2012-01-24  Richard Guenther  <rguenther@suse.de>
1706         Forward-port to trunk
1707         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1709         PR middle-end/45678
1710         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1711         op0 isn't sufficiently aligned and there is movmisalignM
1712         insn for mode, use it to load op0 into a temporary register.
1714 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1716         PR target/51957
1717         * target.def (const_not_ok_for_debug_p): New hook.
1718         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1719         documentation.
1720         * doc/tm.texi: Regenerated.
1721         * dwarf2out.c (const_ok_for_output_1): If
1722         targetm.const_not_ok_for_debug_p returns true, fail.
1723         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1724         function.
1725         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1727 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1729         PR target/51900
1730         * config/i386/predicates.md (symbolic_operand): Allow
1731         UNSPEC_PCREL as PIC expression for lea.
1732         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1733         * config/i386/i386.c (ix86_delegitimize_address): Handle
1734         UNSPEC_PCREL for none-MEM, too.
1736 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1738         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1739         (ipa_tm_create_version_alias): Same.
1741 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1743         PR libitm/51830
1744         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1745         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1747 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1748             Patrick Marlier  <patrick.marlier@gmail.com>
1749             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1751         PR lto/51916
1752         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1753         simple_object_start_read.
1755 2012-01-23  Richard Guenther  <rguenther@suse.de>
1758         PR tree-optimization/51895
1759         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1760         parameter decomposition into BLKmode components.
1762 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1764         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1765         fake variables for restrict-qualified pointers whose pointed-to type
1766         contains a placeholder.
1768 2012-01-23  Richard Guenther  <rguenther@suse.de>
1770         PR tree-optimization/51949
1771         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1773 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1775         PR rtl-optimization/51933
1776         * ree.c (transform_ifelse): Return true right away if dstreg is
1777         already wider or equal to cand->mode.
1778         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1779         (make_defs_and_copies_lists): Remove defs_list and copies_list
1780         arguments, add state argument, just truncate state->work_list
1781         instead of always allocating and freeing the vector.  Assert that
1782         get_defs succeeds instead of returning 2.  Changed return type to bool.
1783         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1784         have ext_src_mode, see if it has been modified already with the
1785         right kind of extension and has been extended before from the
1786         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1787         just return true.  Remember the original mode in state->modified array.
1788         (combine_reaching_defs): Add state argument.  Don't allocate and
1789         free here def_list, copied_list and vec vectors, instead just
1790         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1791         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1792         Add state variable, clear vectors in it, initialize state.modified
1793         if needed.  Free all the vectors at the end and state.modified too.
1794         Don't skip a candidate if the extension expression has been modified.
1796 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1798         PR target/47096
1799         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1800          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1801         (extra_options) interix.opt -> i386/interix.opt"
1802         (extra_objs):Add winnt-stubs.o
1803         * configure.ac: Add interix to target_os .comm on PE check.
1804         * configure: Regenerate.
1805         * config/interix3.h: Delete and move bits to..
1806         * config/interix.h: Delete and move bits to..
1807         * config/i386/i386-interix3.h: Delete and move bits to..
1808         * config/i386/i386-interix.h: ..here.
1809         (TARGET_CPU_DEFAULT): Remove redefinition.
1810         (TARGET_ASM_CONSTRUCTOR): Undefine.
1811         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1812         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1813         (PTRDIFF_TYPE): Define.
1814         (LONG_DOUBLE_TYPE_SIZE): Define.
1815         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1816         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1817         (TARGET_SECTION_TYPE_FLAGS): Define.
1818         (ASM_DECLARE_FUNCTION_NAME): Define.
1819         (ASM_OUTPUT_EXTERNAL): Define.
1820         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1821         (ASM_OUTPUT_ALIGNED_BSS): Define.
1822         (PCC_BITFIELD_TYPE_MATTERS): Define.
1823         (USE_CONST_SECTION): Define.
1824         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1825         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1826         (SUPPORTS_ONE_ONLY): Remove.
1827         (I386_PE_STRIP_ENCODING): Define.
1828         * config/interix.opt: Delete and move bits to..
1829         * config/i386/interix.opt: ..here. New.
1830         (mpe-aligned-commons): Add.
1831         * config/i386/t-interix: Add copyright header.
1832         (winnt-stubs.o): Add rule.
1834 2012-01-22  Jason Merrill  <jason@redhat.com>
1836         PR c++/51832
1837         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1838         for extra name aliases.
1840 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1842         PR rtl-optimization/51924
1843         * ree.c (combine_set_extension): Improve debugging message.
1844         (combine_reaching_defs): Likewise.
1845         (get_defs): Rename confusingly named variable.
1846         (find_and_remove_re): Skip a candidate if the extension expression has
1847         been modified.
1849 2012-01-21  Robert Millan  <rmh@gnu.org>
1850             Gerald Pfeifer  <gerald@pfeifer.com>
1852         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1853         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1855 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1857         PR tree-optimization/51914
1858         * tree-vect-stmts.c (vectorizable_conversion): For
1859         cvt_type && modifier == WIDEN, put temporary with cvt_type
1860         at the beginning of vec_dsts and set vec_dest to temporary
1861         with vectype_out.
1863 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1865         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1867 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1869         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1870         * config/rs6000/rs6000.c: Likewise.
1872 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1874         PR target/51915
1875         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1876         output_move_double on a copy of operands array.
1878 2012-01-20  Cary Coutant  <ccoutant@google.com>
1879             Dodji Seketeli  <dodji@redhat.com>
1881         PR debug/45682
1882         * dwarf2out.c (copy_declaration_context): Return ref to parent
1883         of declaration DIE, if necessary.
1884         (remove_child_or_replace_with_skeleton): Add new parameter; update
1885         caller.  Place skeleton DIE under parent DIE of original declaration.
1886         Move call to copy_declaration_context to here ...
1887         (break_out_comdat_types): ... from here.
1889 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1891         PR rtl-optimization/51856
1892         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1893         flag to reloaded.
1895 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1897         PR target/51819
1898         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1899         hints for neon loads and stores.
1901 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1903         PR target/49868
1904         PR target/50887
1905         * doc/extend.texi (Named Address Spaces): Split into subsections.
1906         (AVR Named Address Spaces): New subsection.
1907         (M32C Named Address Spaces): New subsection.
1908         (RL78 Named Address Spaces): New subsection.
1909         (SPU Named Address Spaces): New subsection.
1910         (Variable Attributes): New anchor "AVR Variable Attributes".
1911         (AVR Variable Attributes): Rewrite and avoid wording
1912         "address space" in this context.
1913         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1914         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1915         (AVR Built-in Macros): New subsubsection therein.
1916         * doc/md.texi (AVR constraints): Remove "C04", "R".
1918 2012-01-20  Richard Guenther  <rguenther@suse.de>
1920         PR tree-optimization/51903
1921         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1922         when removing stmts.
1924 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1926         PR target/50313
1927         * config/arm/arm.c (arm_load_pic_register): Use
1928         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1929         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1930         (arm_pic_static_addr): Likewise.
1931         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1932         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1933         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1934         (pic_load_addr_unified): New.
1936 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1938         PR target/51106
1939         * function.c (instantiate_virtual_regs_in_insn): Use
1940         delete_insn_and_edges when removing a wrong asm insn.
1942 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1944         PR rtl-optimization/40761
1945         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1946         Add new member loop_num.
1947         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1948         (ira_build): Remove the parameter.
1950         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1951         (ira.c): Do not build CFG loops for one region allocation.  Remove
1952         argument from ira_build call.
1954         * ira-build.c (init_loop_tree_node): New function.
1955         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1956         loops are not built.
1957         (more_one_region_p): Check current_loops.
1958         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1959         built.
1960         (add_loop_to_tree): Process loop equal to NULL too.
1961         (form_loop_tree): Separate the case when CFG loops are not built.
1962         Use explicitly number for the root.
1963         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1964         an assertion.
1965         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1966         instead of loop->num.
1967         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1968         (mark_all_loops_for_removal): Ditto.
1969         (remove_unnecessary_regions): Separate the case when CFG loops
1970         are not built.
1971         (ira_build): Remove the parameter.  Use explicit number of regions
1972         when CFG loops are not built.
1974         * ira-color.c (print_loop_title): Separate the case for the root node.
1975         Use loop_num instead of loop->num.
1976         (move_spill_restore): Use loop_num instead of loop->num.
1978         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1979         (change_loop): Ditto.
1980         (change_loop): Use loop_num instead of loop->num.
1982         * ira-lives.c (process_bb_node_lives): Ditto.
1984         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1986         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1988 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1990         PR libmudflap/40778
1991         * tree-mudflap.c (mf_artificial): New function.
1992         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1993         mx_register_decls, mudflap_enqueue_decl): Use it.
1995         PR target/51876
1996         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1997         numbers in the insn pattern.
1999 2012-01-19  Michael Matz  <matz@suse.de>
2001         PR tree-optimization/46590
2002         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2003         use it in remembering which conflicts we already created.
2004         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2005         bitmap.
2007 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2009         PR lto/51280
2010         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2011         (merge_and_complain): Same.
2013 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2015         PR bootstrap/50237
2016         * config/initfini-array.h: Guard content of the header
2017         with #ifdef HAVE_INITFINI_ARRAY.
2018         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2019         Add initfini-array.h to tm_file here.
2020         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2021         * config.gcc: Don't add initfini-array.h to tm_file here.
2022         * configure: Regenerated.
2024 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2026         PR rtl-optimization/51505
2027         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2028         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2029         (df_note_bb_compute): Update the call to df_kill_notes.
2031 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2033         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2035 2012-01-18  Richard Guenther  <rguenther@suse.de>
2037         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2038         of conversions to void *.
2040 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2041             Richard Sandiford  <rdsandiford@googlemail.com>
2043         PR middle-end/50325
2044         PR middle-end/51192
2045         * optabs.h (simplify_expand_binop): Declare.
2046         * optabs.c (simplify_expand_binop): Make global.
2047         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2048         endian targets if the source cannot be exactly covered by word
2049         mode chunks.
2051 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2053         PR bootstrap/51872
2054         * hard-reg-set.h (struct hard_reg_set_container): New type.
2055         * target.h (struct hard_reg_set_container): Forward declare.
2056         * target.def (set_up_by_prologue): New target hook.
2057         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2058         * doc/tm.texi: Regenerated.
2059         * function.c (thread_prologue_and_epilogue_insns): Change
2060         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2061         Call targetm.set_up_by_prologue on it.
2062         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2063         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2065 2012-01-17  Nick Clifton  <nickc@redhat.com>
2067         * config/rx/rx.c (rx_can_use_simple_return): New function.
2068         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2069         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2071 2012-01-17  Richard Guenther  <rguenther@suse.de>
2073         PR middle-end/51782
2074         * expr.c (expand_assignment): Take address-space information
2075         from the address operand of MEM_REF and TARGET_MEM_REF.
2076         (expand_expr_real_1): Likewise.
2078 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2080         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2081         reload dump is requested.
2083 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2085         PR other/51165
2086         * trans-mem.c (requires_barrier): Call may_be_aliased.
2088 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2090         PR tree-optimization/51877
2091         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2092         call arguments and fndecls compare equal, instead return false if they
2093         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2094         both SSA_NAMEs that are valueized the same, or they satisfy
2095         operand_equal_p.
2097 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2099         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2100         Solaris 11+.
2101         * configure: Regenerate.
2103 2012-01-16  Jan Hubicka  <jh@suse.cz>
2105         PR c/12245
2106         PR c++/14179
2107         * convert.c (convert_to_integer): Use fold_convert for
2108         converting an INTEGER_CST to integer type.
2110 2012-01-16  Jason Merrill  <jason@redhat.com>
2112         PR c++/14179
2113         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2115 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2117         PR bootstrap/51860
2118         * config/s390/s390.c (s390_chunkify_start): Don't skip
2119         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2120         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2121         If insn is followed by NOTE_INSN_VAR_LOCATION or
2122         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2123         Don't use location of note insns.
2125         PR tree-optimization/51865
2126         * tree-inline.c (tree_function_versioning): Call remap_decl
2127         on DECL_RESULT whenever it has VOID_TYPE_P type.
2129 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2131         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2132         for calls to locally-binding MIPS16 functions if only the return
2133         type uses float regs.
2135 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2136             Richard Sandiford  <rdsandiford@googlemail.com>
2138         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2139         (SYMBOL_32_HIGH): Likewise.
2140         (mips_output_tls_reloc_directive): Declare.
2141         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2142         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2143         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2144         (mips_lo_relocs, mips_hi_relocs): Make extern.
2145         (mips16_stub_function): Move up file.
2146         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2147         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2148         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2149         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2150         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2151         (mips_get_tp): Add MIPS16 support.
2152         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2153         Generalize DTPREL and TPREL handling.
2154         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2155         Add MIPS16 TLS support.
2156         (mips_output_tls_reloc_directive): New function.
2157         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2158         * config/mips/predicates.md (symbolic_operand_with_high)
2159         (tls_reloc_operand): New predicates.
2160         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2161         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2162         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2163         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2164         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2165         (*tls_get_tp_mips16_call_<mode>): Likewise.
2167 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2169         PR rtl-optimization/51821
2170         * recog.c (peep2_find_free_register): Determine clobbered registers
2171         from insn pattern.
2173 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2175         PR target/50925
2176         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2177         * config/avr/avr.c: Likewise.
2178         * config/avr/avr.h: Likewise.
2180 2012-01-13  Ian Lance Taylor  <iant@google.com>
2182         PR c++/50012
2183         * tree.h (TYPE_QUALS): Add cast to int.
2184         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2186 2012-01-13  Ian Lance Taylor  <iant@google.com>
2188         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2189         comparing param_index to VEC_length result.
2191 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2193         * c-decl.c: Do not include tree-mudflap.h
2194         * tree-optimize.c: Likewise.
2195         * Makefile.in: Update dependencies.
2197 2012-01-13  Richard Guenther  <rguenther@suse.de>
2199         PR middle-end/8081
2200         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2201         variable-sized result always use RSO.
2203 2012-01-12  DJ Delorie  <dj@redhat.com>
2205         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2206         pointer type, not just the default pointer type.
2208 2012-01-09  Richard Henderson  <rth@redhat.com>
2209             Denis Chertykov  <chertykov@gmail.com>
2211         PR target/50925
2212         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2213         * config/avr/avr.c (avr_can_eliminate): Simplify.
2214         (avr_initial_elimination_offset): Likewise.
2215         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2216         (expand_epilogue): Likewise.
2217         (avr_legitimize_address): Gut.
2218         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2219         (avr_hard_regno_nregs): New.
2220         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2221         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2222         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2223         add soft frame pointer.
2224         (CALL_USED_REGISTERS): Likewise.
2225         (REG_CLASS_CONTENTS): Likewise.
2226         (REGISTER_NAMES): Likewise.
2227         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2228         (HARD_FRAME_POINTER_REGNUM): New.
2229         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2230         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2231         remove the HARD_FRAME_POINTER self-elimination.
2233 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2235         PR target/51756
2236         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2237         DECL_EXTERNAL when checking for initializers of progmem variables.
2239 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2241         PR tree-optimization/51799
2242         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2243         that the last operation is a type demotion.
2245 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2247         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2248         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2250 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2252         PR bootstrap/51796
2253         * combine.c (distribute_notes): If i3 is a noreturn call,
2254         allow old_size to be equal to args_size and make sure the
2255         noreturn call gets REG_ARGS_SIZE note.
2256         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2257         on noreturn calls even when the delta is 0.
2259 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2261         * gcov.c (STRING_SIZE): Remove.
2262         (generate_results): Erase annotations for source files with no
2263         coverage information.
2264         (read_line): New.
2265         (output_lines): Use it.
2267 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2269         * gimple.h (gimplify_body): Remove first argument.
2270         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2271         pointer set here, instead just pass DATA to walk_tree.
2272         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2273         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2274         (unvisit_body): Likewise, but with unmark_visited.
2275         (gimplify_body): Remove BODY_P argument and adjust.
2276         (gimplify_function_tree): Adjust call to gimplify_body.
2277         * omp-low.c (finalize_task_copyfn): Likewise.
2279 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2281         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2282         (build_function_type_skip_args): Delete.
2283         * tree.c (build_function_type_skip_args): Make static and add
2284         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2285         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2286         pass it to build_function_type_skip_args.
2287         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2288         (tree_function_versioning): Likewise.
2289         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2290         build_function_decl_skip_args.
2291         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2292         and pass it to build_function_decl_skip_args/tree_function_versioning.
2293         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2294         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2295         * trans-mem.c (ipa_tm_create_version): Likewise.
2296         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2297         * tree-inline.c (declare_return_variable): Remove always-true test.
2298         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2299         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2300         * ipa-split.c (split_function): Skip the return value for the split
2301         part if it doesn't return.
2303 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2305         PR tree-optimization/49642
2306         * ipa-split.c (forbidden_dominators): New variable.
2307         (check_forbidden_calls): New function.
2308         (dominated_by_forbidden): Likewise.
2309         (consider_split): Check for forbidden dominators.
2310         (execute_split_functions): Initialize and free forbidden
2311         dominators info; call check_forbidden_calls.
2313 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2315         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2317 2012-01-11  Nick Clifton  <nickc@redhat.com>
2319         * config/rx/rx.md (return): Define pattern.
2321 2012-01-11  Richard Guenther  <rguenther@suse.de>
2323         * doc/extend.texi (malloc attribute): Adjust according to
2324         implementation.
2326 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2327             Patrick Marlier  <patrick.marlier@gmail.com>
2329         PR middle-end/51516
2330         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2331         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2332         (ipa_tm_note_irrevocable): Same.
2333         (ipa_tm_scan_irr_block): Same.
2334         (ipa_tm_decrement_clone_counts): Same.
2335         (ipa_tm_scan_irr_function): Same.
2336         (ipa_tm_create_version_alias): Same.
2337         (ipa_tm_create_version): Same.
2338         (ipa_tm_transform_calls_redirect): Same.
2339         (ipa_tm_transform_calls): Same.
2340         (ipa_tm_transform_transaction): Same.
2341         (ipa_tm_execute): Same.
2343 2012-01-10  Richard Guenther  <rguenther@suse.de>
2345         PR middle-end/51806
2346         * opts.c (common_handle_option): Handle -Werror.
2348 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2350         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2351         operand number.
2353 2012-01-10  Jason Merrill  <jason@redhat.com>
2355         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2356         information.
2358 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2360         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2361         supports R_386_TLS_GD_PLT reloc.
2362         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2363         supports R_386_TLS_LDM_PLT reloc.
2364         * configure: Regenerate.
2365         * config.in: Regenerate.
2367 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2369         PR target/49868
2370         Extend __pgmx semantics to linearize memory.
2371         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2372         determine if code comes inline or from libgcc.
2373         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2374         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2375         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2376         (movmemx_qi, movmemx_hi): New insns.
2377         (xload_<mode>_libgcc): Rewrite to new insn condition.
2378         (xload_<mode>): Remove insns.
2379         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2380         cases that don't satisfy avr_xload_libgcc_p().
2381         (avr_addr_space_convert): Allow converting in any direction.
2382         (avr_addr_space_subset_p): Return always true.
2383         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2384         (avr_emit_movmemhi): Ditto.
2385         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2386         (avr_out_movmem): Ditto.
2387         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2388         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2389         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2390         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2391         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2393 2012-01-10  Richard Guenther  <rguenther@suse.de>
2395         PR tree-optimization/50913
2396         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2397         Require data-refs to be representable by Graphite with respect
2398         to any loop nest.
2400 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2402         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2403         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2405 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2407         PR rtl-optimization/51271
2408         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2409         handling annulled branch.
2411 2012-01-10  Richard Henderson  <rth@redhat.com>
2413         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2414         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2415         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2416         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2417         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2418         arm_expand_vec_perm_const): New.
2419         * config/arm/arm-protos.h: Update.
2420         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2421         (*neon_vswp<VDQX>): New.
2422         (neon_vcombine<VDX>): Use neon_split_vcombine.
2423         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2424         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2425         (vec_perm<VE>): New.
2427 2012-01-10  Richard Henderson  <rth@redhat.com>
2429         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2430         use it if reload_completed.
2431         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2432         arm_output_asm_insn, arm_process_output_memory_barrier,
2433         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2434         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2435         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2436         arm_process_output_sync_insn, arm_output_sync_insn,
2437         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2438         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2439         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2440         (emit_unlikely_jump): New.
2441         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2442         (arm_split_atomic_op): New.
2443         * config/arm/arm-protos.h: Update.
2444         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2445         (struct arm_sync_generator): Remove.
2446         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2447         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2448         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2449         (VUNSPEC_LL, VUNSPEC_SC): New.
2450         (sync_result, sync_memory, sync_required_value, sync_new_value,
2451         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2452         (attr length): Don't use arm_sync_loop_insns.
2453         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2454         (movsfcc, movdfcc): Likewise.
2455         * config/arm/constraints.md (Ua): New.
2456         * config/arm/prediates.md (mem_noofs_operand): New.
2457         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2458         (sync_clobber, sync_t2_reqd): Remove.
2459         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2460         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2461         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2462         (arm_sync_compare_and_swap<SIDI>): Remove.
2463         (arm_sync_compare_and_swap<NARROW>): Remove.
2464         (arm_sync_lock_test_and_set<SIDI>): Remove.
2465         (arm_sync_lock_test_and_set<NARROW>): Remove.
2466         (arm_sync_new_<syncop><SIDI>): Remove.
2467         (arm_sync_new_<syncop><NARROW>): Remove.
2468         (arm_sync_new_nand<SIDI>): Remove.
2469         (arm_sync_new_nand<NARROW>): Remove.
2470         (arm_sync_old_<syncop><SIDI>): Remove.
2471         (arm_sync_old_<syncop><NARROW>): Remove.
2472         (arm_sync_old_nand<SIDI>): Remove.
2473         (arm_sync_old_nand<NARROW>): Remove.
2474         (*memory_barrier): Merge arm_output_memory_barrier.
2475         (atomic_compare_and_swap<QHSD>): New.
2476         (atomic_compare_and_swap<NARROW>_1): New.
2477         (atomic_compare_and_swap<SIDI>_1): New.
2478         (atomic_exchange<QHSD>): New.
2479         (cas_cmp_operand, cas_cmp_str): New.
2480         (atomic_op_operand, atomic_op_str): New.
2481         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2482         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2483         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2484         (arm_load_exclusive<NARROW>): New.
2485         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2486         (arm_store_exclusive<QHSD>): New.
2488 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2490         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2491         reload patterns if -mvsx-scalar-memory.
2493         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2494         generated, even -mno-vsx-scalar-double was used.
2495         (vsx_xscvdpsp_scalar): Likewise.
2496         (vsx_xscvspdp_scalar2): Likewise.
2498 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2499             Andrew Pinski  <apinski@cavium.com>
2501         PR debug/51471
2502         * reorg.c (fill_slots_from_thread): Don't speculate
2503         frame-related insns.
2505 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2507         * sched-int.h (bb_note): Move to...
2508         * basic-block.h: ...here.
2509         * haifa-sched.c (bb_note): Move to...
2510         * cfgrtl.c: ...here.
2511         * function.c (next_block_for_reg): New function.
2512         (move_insn_for_shrink_wrap): Likewise.
2513         (prepare_shrink_wrap): Rewrite to use the above.
2515 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2517         * gimple.c (is_gimple_non_addressable): Remove.
2518         * gimple.h: Remove is_gimple_non_addressable.
2519         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2520         is_gimple_non_addressable.
2521         * trans-mem.c (expand_assign_tm): Same.
2523 2012-01-09  Richard Guenther  <rguenther@suse.de>
2525         PR tree-optimization/51775
2526         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2527         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2529 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2531         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2532         tuning parameters.
2533         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2535 2012-01-09  Richard Guenther  <rguenther@suse.de>
2537         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2539 2012-01-08  Jan Hubicka  <jh@suse.cz>
2541         PR tree-optimize/51680
2542         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2543         on when known_vals needs to be computed; cleanup.
2545 2012-01-08  Jan Hubicka  <jh@suse.cz>
2547         PR tree-optimize/51694
2548         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2550 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2552         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2553         for -std=c++98 and -std=c++11 too.
2555 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2557         * cfgloop.c (cancel_loop): Add free() of bbs array.
2559 2012-01-07  Jan Hubicka  <jh@suse.cz>
2561         PR tree-optimization/51600
2562         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2563         that benefits small functions.
2565 2012-01-07  Jan Hubicka  <jh@suse.cz>
2567         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2569 2012-01-07  Jan Hubicka  <jh@suse.cz>
2571         PR tree-optimization/51680
2572         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2573         whose inlining reduce unit size.
2575 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2577         PR bootstrap/51725
2578         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2579         Add canonical node to containing_mem chain after the non-canonical
2580         one, even if there weren't any locs to propagate.
2581         (remove_useless_values): Keep only canonical values.
2582         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2583         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2584         canonicalize mem_chain elements that are not discarded.
2586 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2588         PR target/47333
2589         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2590         before emitting functions.
2592         PR gcov-profile/50127
2593         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2594         clear_aux_for_blocks.
2596 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2598         PR debug/51746
2599         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2601 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2603         * c-decl.c (ext_block): Moved up.
2604         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2606 2012-01-06  Han Shen  <shenhan@google.com>
2608         Translate built-in include paths for sysroot.
2609         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2610         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2612         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2613         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2615         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2616         control whether sysroot should be prepended to gxx include dir.
2618         * configure: Regenerate.
2620 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2622         PR rtl-optimization/51771
2623         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2624         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2626 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2628         PR tree-optimization/51315
2629         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2630         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2632 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2634         PR target/51681
2635         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2636         for shrp pattern.  Correctly handle and fixup shift variable.
2637         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2639 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2641         PR debug/51762
2642         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2643         note when !ACCUMULATE_OUTGOING_ARGS.
2645 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2647         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2648         condition.
2649         (extract_range_from_unary_expr_1): Avoid useless computations.
2651 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2653         PR rtl-optimization/51767
2654         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2655         of jump_block and add an extra edge for degenerated asm gotos.
2657         PR middle-end/51768
2658         * stmt.c (check_unique_operand_names): Don't ICE during error
2659         reporting if i is from labels chain.
2661         PR middle-end/44777
2662         * profile.c (branch_prob): Split bbs that have exit edge
2663         and need a fake entry edge too.
2665 2012-01-05  Jan Hubicka  <jh@suse.cz>
2667         PR middle-end/49710
2668         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2669         unlooping loops.
2671 2012-01-05  Richard Guenther  <rguenther@suse.de>
2673         PR lto/50490
2674         * tree-streamer-out.c (write_ts_optimization): New function.
2675         (streamer_write_tree_body): Call it.
2676         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2677         (streamer_read_tree_body): Call it.
2678         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2680 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2682         PR middle-end/51761
2683         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2684         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2685         in_cleanup_point_expr before gimplify_stmt call and restore it
2686         afterwards.
2687         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2688         in_cleanup_point_expr is false.
2690 2012-01-05  Richard Guenther  <rguenther@suse.de>
2692         PR middle-end/51764
2693         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2694         to c.opt.
2695         * toplev.c (process_options): Reject combining mudflap and LTO.
2696         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2698 2012-01-05  Richard Guenther  <rguenther@suse.de>
2700         PR tree-optimization/51760
2701         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2702         not VARYING.
2703         (bit_value_unop): Handle UNDEFINED operands.
2704         (bit_value_binop): Likewise.
2706 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2708         * config/avr/avr.c (avr_replace_prefix): Remove.
2709         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2710         (avr_asm_function_rodata_section): Ditto.
2711         (avr_asm_select_section): Ditto.
2713 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2715         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2716         insertion.
2718 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2720         PR bootstrap/51648
2721         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2722         calls that have any non-fake successor edges.
2724         PR debug/51746
2725         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2727 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2729         PR tree-optimization/51624
2730         * tree-sra.c (build_ref_for_model): When replicating a chain of
2731         COMPONENT_REFs, stop as soon as the offset would become negative.
2733 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2735         PR debug/51695
2736         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2737         in .debug_loc on the floor.
2739 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2741         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2743 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2744             Adam Nemet  <anemet@caviumnetworks.com>
2746         * config/mips/mips.md (size): Add SI and DI.
2747         (SIZE): New mode attribute.
2748         (U): New code attribute.
2749         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2750         (mips_lbux_<mode>): Delete.
2751         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2752         (mips_lhx): Use gen_mips_lhx_extsi.
2753         (mips_lhx_<mode>): Delete.
2754         (mips_lwx): Delete.
2755         (mips_l<size>x): New expand.
2756         (mips_lwx_<mode>): Delete.
2757         (mips_l<GPR:size>x_<P:mode>): New pattern.
2758         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2759         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2760         * config/mips/mips.c (mips_lx_address_p): New function.
2761         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2762         (dsp64): New availability predicate.
2763         (mips_builtins): Add an entry for __builtin_mips_ldx.
2764         * config/mips/mips.h (ISA_HAS_LBX): New define.
2765         (ISA_HAS_LBUX): Likewise.
2766         (ISA_HAS_LHX): Likewise.
2767         (ISA_HAS_LHUX): Likewise.
2768         (ISA_HAS_LWX): Likewise.
2769         (ISA_HAS_LWUX): Likewise.
2770         (ISA_HAS_LDX): Likewise.
2771         * doc/extend.texi (__builtin_mips_ldx): Document.
2773 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2775         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2776         when long pointers are used.
2777         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2778         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2779         (ia64-hp-*vms*): Remove.
2780         * config/vms/xm-vms64.h: Delete.
2782 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2784         PR middle-end/51472
2785         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2787 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2789         * opts.c (finish_options): Remove duplicate sorry.
2791 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2793         PR middle-end/51696
2794         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2795         correctly.
2797 2012-01-04  Richard Guenther  <rguenther@suse.de>
2799         PR middle-end/51750
2800         * tree.c (size_low_cst): New function.
2801         * tree.h (size_low_cst): Declare.
2802         * fold-const.c (fold_comparison): Use it to extract the low
2803         part of the POINTER_PLUS_EXPR offset.
2805 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2807         Fix clearing ZERO_REG
2808         * config/avr/avr.md (cc): Add alternative "ldi".
2809         (movqi_insn): Use it in cc attribute.
2810         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2811         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2812         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2814 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2816         * configure: Regenerate.
2818 2012-01-04  Richard Guenther  <rguenther@suse.de>
2820         PR tree-optimization/49651
2821         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2822         (var_can_have_subvars): Use it.
2823         (get_constraint_for_1): Only consider subfields if there can be any.
2825 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2827         PR bootstrap/51725
2828         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2829         to its new canonical_cselib_val and the cselib_val was in
2830         first_containing_mem chain, but the canonical_cselib_val was not,
2831         add the latter into the chain.
2832         (cselib_invalidate_mem): Compare canonical_cselib_val of
2833         addr_list chain elt with v.
2835         PR pch/51722
2836         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2837         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2838         of xstrdup.
2839         (output_macinfo_op): Don't ggc_strdup fd->filename.
2840         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2841         then ggc_strdup it.  Don't free inc->info or cur->info.
2842         (output_macinfo): Don't free ref->info or file->info.
2844 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2846         PR tree-optimization/51269
2847         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2848         first_niters a pointer.
2849         (slpeel_tree_peel_loop_to_edge): Likewise.
2850         (vect_do_peeling_for_loop_bound): Update call to
2851         slpeel_tree_peel_loop_to_edge.
2852         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2853         here.  Remove it from the parameters list.
2854         (vect_do_peeling_for_alignment): Update calls and compute
2855         wide_prolog_niters.
2857 2012-01-03  Richard Guenther  <rguenther@suse.de>
2859         PR tree-optimization/51070
2860         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2861         Properly handle calls.
2863 2012-01-03  Richard Guenther  <rguenther@suse.de>
2865         PR tree-optimization/51692
2866         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2867         the LHS of allocation stmts.
2869 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2871         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2873 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2875         * collect2.c (main): In AIX specific computations for vector
2876         insertions, use CONST_CAST2 to cast from char ** to const char **.
2878 2012-01-03  Richard Guenther  <rguenther@suse.de>
2880         PR debug/51650
2881         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2882         the context of a limbo DIE when it does not already exist.
2884 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2886         PR tree-optimization/51719
2887         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2888         but direct call is, clear direct call's lhs and don't add fallthrough
2889         edge from dcall_bb to join_bb and PHIs.
2891 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2893         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2894         the instructions emitted by the pattern.
2895         ("*TDC_insn_<mode>"): Add comment.
2897 2012-01-03  Richard Guenther  <rguenther@suse.de>
2899         PR middle-end/51730
2900         * fold-const.c (fold_comparison): Properly canonicalize
2901         tree offset and HOST_WIDE_INT bit position.
2903 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2905         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2906         operands for extzv pattern.
2908 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2910         PR bootstrap/51725
2911         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2912         on mem_elt first.
2914 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2916         * doc/invoke.texi (-flto and related options): Copy-edit.
2918 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2920         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2922 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2924         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2925         New patterns.
2927 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2929         * expr.h (move_by_pieces_ninsns): Declare.
2930         * expr.c (move_by_pieces_ninsns): Make external.
2931         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2932         (mips_store_by_pieces_p): Likewise.
2933         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2934         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2935         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2936         (mips_store_by_pieces_p): Likewise.
2938 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2940         * passes.c (register_one_dump_file): Free full_name.
2942         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2943         (calculate_elim_costs_all_insns): Free offsets_at and
2944         offsets_known_at at the end and clear the pointers.
2946 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2948         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2949         this option introduced in r180739.
2951 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2953         PR target/51345
2954         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2955         (tmake_file target=avr): Add avr/t-multilib.
2957         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2958         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2959         * config/avr/genmultilib.awk: New file.
2960         * config/avr/t-multilib: New auto-generated file.
2961         * config/avr/multilib.h: New auto-generated file.
2962         * config/avr/t-avr (AVR_MCUS): New variable.
2963         (genopt.sh): Use it.
2964         (s-mlib): Depend on t-multilib.
2965         (t-multilib, multilib.h): New dependencies.
2966         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2967         (MULTILIB_OPTIONS): Remove.
2968         (MULTILIB_MATCHES): Remove.
2969         (MULTILIB_DIRNAMES): Remove.
2970         (MULTILIB_EXCEPTIONS): Remove:
2971         * config/avr/genopt.sh: Don't use hard coded file name;
2972         pass AVR_MCUS from t-avr instead.
2974 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2976         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2978 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2980         Implement light-weight DImode support.
2981         * config/avr/avr-dimode.md: New file.
2982         * config/avr/avr.md: Include it.
2983         (adjust_len): Add plus64, compare64.
2984         (HIDI): Remove code iterator.
2985         (code_stdname): New code attribute.
2986         (rotx, rotsmode): Remove DI.
2987         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2988         as code iterator.
2989         * config/avr/avr-protos.h (avr_have_dimode): New.
2990         (avr_out_plus64, avr_out_compare64): New.
2991         * config/avr/avr.c (avr_out_compare): Handle DImode.
2992         (avr_have_dimode): New variable definition and initialization.
2993         (avr_out_compare64, avr_out_plus64): New functions.
2994         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2995         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2996         (avr_compare_pattern): Skip DImode comparisons.
2998 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3000         * ddg.c (def_has_ccmode_p): New function.
3001         (add_cross_iteration_register_deps,
3002         create_ddg_dep_from_intra_loop_link): Call it.
3004 2012-01-02  Richard Guenther  <rguenther@suse.de>
3006         PR other/51679
3007         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3009 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3011         * gcc.c (process_command): Update copyright notice dates.
3012         * gcov.c (print_version): Likewise.
3013         * gcov-dump.c (print_version): Likewise.
3014         * mips-tfile.c (main): Likewise.
3015         * mips-tdump.c (main): Likewise.
3017 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3019         PR tree-optimization/51704
3020         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3021         a use is inside the basic block or loop before accessing its vect info.
3023 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3025         PR rtl-optimization/51069
3026         * cfgloopmanip.c (remove_path): Removing path making irreducible
3027         region unconditional makes BB part of the region.
3029 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3031         PR tree-optimization/51683
3032         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3033         calls with side-effects.
3034         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3036 Copyright (C) 2012 Free Software Foundation, Inc.
3038 Copying and distribution of this file, with or without modification,
3039 are permitted in any medium without royalty provided the copyright
3040 notice and this notice are preserved.