1 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52429
4 * tree-parloops.c (separate_decls_in_region_debug): Return early
7 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9 PR tree-optimization/52424
10 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
11 calling dom_thread_across_edge.
13 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
15 * config/avr/avr.c: Move definition of TARGET macros to end of file.
17 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
19 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
20 * config/avr/avr.c (avr_output_bld): Remove unused function.
21 (avr_out_sbxx_branch): Use "%T" to print bit position.
23 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
25 * config/avr/avr.md: Untabify.
27 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
29 * config/avr/avr.md (eqne): New code iterator.
30 (*dec-and-branchsi): Use it in text peephole's condition.
31 (*dec-and-branchhi): Ditto.
32 (*dec-and-branchqi): Ditto.
34 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
37 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
38 the device does not have the skip-bug.
40 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
42 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
43 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
44 -mpretend-cmove): New.
46 2012-02-29 Jakub Jelinek <jakub@redhat.com>
49 * df.h (struct df_d): Adjust comment that hard_regs_live_count
50 doesn't count DEBUG_INSN refs.
51 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
54 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
58 2012-02-20 Richard Guenther <rguenther@suse.de>
59 PR tree-optimization/52298
60 * tree-vect-stmts.c (vectorizable_load): Properly use
61 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
64 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
67 * gimple.h (gimple_in_transaction): New.
68 (gimple_set_in_transaction): New.
69 (struct gimple_statement_base): Add in_transaction field.
70 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
72 (tree_ssa_lim_initialize): Compute transaction bits.
73 * tree.h (compute_transaction_bits): Protoize.
74 * trans-mem.c (tm_region_init): Use the heap to store BB
76 (compute_transaction_bits): New.
78 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
80 * gcc.c (display_help): Document --help=common and sort entries
83 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
85 * doc/install.texi: Document check-$LANG specific shortcuts
87 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
90 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
92 * config/arm/arm_neon.h: Regenerate.
93 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
94 (neon_vcgeu): New insn.
95 (neon_vcgtu): Likewise.
96 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
97 (ops): Unsigned comparison intrinsics call a different
100 2012-02-28 Richard Guenther <rguenther@suse.de>
103 * config/i386/i386.c (ix86_expand_vector_set): Fix element
104 ordering for the VEC_CONCAT for two element vectors for
105 V2SFmode, V2SImode and V2DImode.
107 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
110 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
111 detecting big-endian triplets.
113 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
115 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
116 mode if there is no type information available.
118 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
120 PR tree-optimization/53207
121 * doc/invoke.texi: Document as experimental and relying on graphite.
123 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
125 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
126 of initializer to changes from r184614.
128 2012-02-28 Richard Guenther <rguenther@suse.de>
130 PR tree-optimization/52395
131 * tree-sra.c (build_ref_for_offset): Also look at the base
132 TYPE_ALIGN when figuring out the alignment of the replacement.
134 2012-02-28 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/52402
137 * ipa-prop.c (ipa_modify_call_arguments): Properly use
138 mis-aligned types when creating the accesses at the call site.
140 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
142 * config/avr/builtins.def: New file.
143 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
144 * config/avr/avr.c (enum avr_builtin_id): Use it.
145 (avr_init_builtins): Use it. And use avr_bdesc.
146 (bdesc_1arg): Remove.
147 (bdesc_2arg): Remove.
148 (bdesc_3arg): Remove.
149 (struct avr_builtin_description): Add field n_args.
150 (avr_bdesc): New static variable using builtins.def.
151 (avr_expand_builtin): Use it.
152 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
153 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
154 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
156 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
159 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
160 match only one single hard register with respective hard reg rtx.
161 (movmemx_<mode>): Ditto.
162 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
163 insn anatomy of movmem[x]_<mode>.
164 (avr_out_movmem): Same for printing assembler and operand usage.
166 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
170 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
171 address spaces located outside of device flash.
173 * config/avr/avr.h (base_arch_s): Remove field n_segments.
174 (mcu_type_s): Add field n_flash.
175 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
176 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
177 (AVR_MCU): Add N_FLASH argument.
178 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
179 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
180 macro __FLASH<n> if that address space makes sense for the device.
181 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
182 outside of target flash.
183 (avr_asm_named_section): Ditto.
184 (avr_asm_select_section): Ditto.
185 (avr_addr_space_convert): Ditto.
186 (avr_emit_movmemhi): Ditto.
187 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
188 address space is outside of device flash.
189 (avr_insert_attributes): Ditto.
190 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
191 avr_current_arch->n_segments.
193 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
196 * config/i386/i386.md (*movabs<mode>_1): Enable only for
198 (*movabs<mode>_2): Likewise.
200 2012-02-27 Jakub Jelinek <jakub@redhat.com>
203 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
204 s_register_operand in the test instead of REG_P. Don't call
205 gen_reg_rtx if it won't be used.
207 PR tree-optimization/52376
208 * ipa-split.c (split_function): Ignore CLOBBER stmts.
210 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
212 * ifcvt.c (noce_get_condition): Check condition variable is not
213 small_register_classes_for_mode_p before accepting.
215 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
217 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
219 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
222 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
223 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
225 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
227 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
229 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
231 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
233 * config/sh/predicates.md: Remove blank lines.
234 * config/sh/sh.c: Fix typos in comments.
235 * config/sh/constraints.md: Likewise.
236 * config/sh/sh.md: Remove blank lines.
237 Fix typos in comments. Use ;; as comment characters.
239 2012-02-26 Walter Lee <walt@tilera.com>
241 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
242 (replace_mov_pcrel_step2): Ditto.
244 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
247 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
248 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
249 and locs that reference values newer than the non-canonical value
250 at hand. Return the canonical value as a worst case.
251 (memrefs_conflict_p): Walk canonical value's locs.
254 * cselib.c (preserve_only_constants): Rename to...
255 (preserve_constants_and_equivs): ... this. Split out...
256 (invariant_or_equiv_p): ... this. Preserve plus expressions
257 of other preserved expressions too.
258 (cselib_reset_table): Adjust.
259 * var-tracking.c (reverse_op): Use canonical value to build
262 2012-02-23 Kai Tietz <ktietz@redhat.com>
264 * config/i386/i386.c (ix86_delegitimize_address): Handle
265 UNSPEC_PCREL plus displacement.
267 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
270 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
271 to test for unusedness in st X addressing.
273 2012-02-24 Richard Guenther <rguenther@suse.de>
276 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
277 (is_gimple_reg_type): Move inline ...
278 * gimple.h (is_gimple_reg_type): ... here.
280 2012-02-24 Richard Guenther <rguenther@suse.de>
283 * passes.c (execute_function_todo): When verifying SSA form
284 verify gimple form first.
285 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
287 2012-02-24 Richard Guenther <rguenther@suse.de>
290 * fold-const.c (fold_addr_of_array_ref_difference): New function.
291 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
293 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
295 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
297 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
299 * tree-phinodes.c (make_phi_node): Mark static.
300 * tree-flow.h (make_phi_node): Remove extern decl.
301 * doc/gimple.texi (make_phi_node): Remove documentation.
303 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
305 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
306 * tree-ssa-sccvn.c (print_scc): Ditto.
308 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
310 * doc/passes.texi (Full redundancy elimination): Fix typo.
312 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
314 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
316 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
319 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
321 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
324 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
326 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
328 * config/avr/avr.md (code_stdname): Add ior, xor.
329 (xior): New code iterator.
330 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
331 (*<code_stdname><mode>qi.byte1-3): Ditto.
333 2012-02-23 Jakub Jelinek <jakub@redhat.com>
335 PR tree-optimization/52019
336 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
339 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
341 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
342 HAVE_INITFINI_ARRAY to work around namespace pollution in
343 certain versions of newlib system headers.
344 * config.in: Regenerate.
345 * configure: Regenerate.
346 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
347 instead of HAVE_INITFINI_ARRAY.
349 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
352 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
353 is not offsettable memory reference.
355 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
358 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
359 setting avr_need_clear_bss_p for __gnu_lto* symbols.
361 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
363 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
364 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
366 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
368 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
369 library on Solaris 8 even without TLS support.
370 * configure: Regenerate.
372 2012-02-22 Richard Guenther <rguenther@suse.de>
375 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
376 for GIMPLE_DEBUG stmts.
378 2012-02-22 Martin Jambor <mjambor@suse.cz>
381 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
382 according to the base object.
384 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
386 PR rtl-optimization/50063
387 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
388 and 2 (8-bit SP) in operand 2.
389 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
390 setup to use movhi_sp_r instead of vanilla move to write SP.
391 Adjust REG_CFA notes to superseed unspec.
392 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
394 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
395 known to be off) only with TARGET_NO_INTERRUPTS. Never use
396 irq_state 1 (IRQ known to be on) here.
398 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
400 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
402 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
403 assign_hard_reg): Likewise.
405 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
407 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
409 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
412 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
413 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
415 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
417 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
418 prototype from here to...
419 * config/avr/avr.h: ...here.
421 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
424 * thumb2.md (thumb2_shiftsi3_short): Split register and
425 immediate shifts. For register shifts tie operands 0 and 1.
426 (peephole2 for above): Check that register-controlled shifts
427 have suitably tied operands.
429 2012-02-21 Quentin Neill <quentin.neill@amd.com>
432 * config/i386/bdver1.md (bdver1_call, bdver1_push,
433 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
434 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
435 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
436 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
437 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
438 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
439 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
440 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
441 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
442 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
443 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
444 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
445 bdver1_ssevector_avx256_unaligned_load,
446 bdver1_ssevector_sse128_unaligned_load,
447 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
448 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
449 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
450 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
451 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
452 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
453 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
454 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
455 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
456 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
457 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
458 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
459 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
460 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
461 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
462 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
463 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
464 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
465 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
466 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
467 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
468 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
469 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
470 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
471 bdver1_ssediv_double_load, bdver1_ssediv_double,
472 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
473 Add "bdver2" attribute.
475 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
477 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
478 default if possible and not specified otherwise.
480 2012-02-21 Richard Guenther <rguenther@suse.de>
483 * gimplify.c (create_tmp_from_val): Use the main variant type
484 for the type of the temporary we create.
486 2012-02-21 Richard Guenther <rguenther@suse.de>
488 PR tree-optimization/52324
489 * gimplify.c (gimplify_expr): When re-gimplifying expressions
490 do not gimplify a MEM_REF address operand if it is already
493 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
495 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
496 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
498 2012-02-21 Richard Guenther <rguenther@suse.de>
500 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
503 2012-02-21 Jakub Jelinek <jakub@redhat.com>
505 PR tree-optimization/52318
506 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
507 vdef also to non-pure/const call stmts in the sequence.
509 2012-02-20 David S. Miller <davem@davemloft.net>
511 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
512 don't use the "rd %pc" instruction on v9 for PIC register loads.
514 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
517 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
518 in a transaction safe function.
520 2012-02-20 Kai Tietz <ktietz@redhat.com>
523 * stor-layout.c (place_field): Handle desired_align for
526 2012-02-20 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/52298
529 * tree-vect-stmts.c (vectorizable_store): Properly use
530 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
532 (vectorizable_load): Likewise.
533 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
534 Access DR_STEP after ensuring it is not NULL.
536 2012-02-20 Jakub Jelinek <jakub@redhat.com>
538 PR tree-optimization/52286
539 * fold-const.c (fold_binary_loc): For (X & C1) | C2
540 optimization use double_int_to_tree instead of build_int_cst_wide,
541 rewrite to use double_int vars.
543 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
546 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
548 Remove -e 0 from $gcc_cv_ld invocation.
549 Only use __GLIBC_PREREQ if defined.
550 Enable on Solaris since Solaris 8 patch.
551 (gcc_SUN_LD_VERSION): New macro.
552 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
553 gcc_SUN_LD_VERSION for version number format.
554 * configure: Regenerate.
555 * varasm.c (get_elf_initfini_array_priority_section): Set
556 SECTION_NOTYPE for non-default priority.
557 Use get_section instead of get_unnamed_section to emit
558 .init_array/.fini_array with default priority.
560 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
562 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
563 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
564 (mips_start_unique_function, mips_output_mips16_rdhwr)
565 (mips_code_end): New functions.
566 (TARGET_ASM_CODE_END): Define.
568 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
570 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
571 to stubs with non-sibling calls.
573 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
575 * doc/invoke.texi (-fira-* options): Copy-edit.
576 (ira-* parameters): Copy-edit.
578 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
580 * doc/invoke.texi: Minor copy-edits to bring into conformance with
581 GCC coding conventions.
583 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
585 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
586 when used as adjectives.
588 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
590 * doc/invoke.texi: Clean up "that"/"which" confusion.
592 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
594 * system.h: Poison SMALL_REGISTER_CLASSES
595 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
596 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
598 2012-02-16 Jakub Jelinek <jakub@redhat.com>
600 PR tree-optimization/52285
601 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
602 when deciding if a call is a tail call or tail recursion.
604 2012-02-16 Kai Tietz <ktietz@redhat.com>
606 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
607 interger-constant displacement for UNSPEC_PCREL.
609 2012-02-16 Jakub Jelinek <jakub@redhat.com>
611 PR rtl-optimization/52208
612 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
613 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
615 PR tree-optimization/52255
616 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
617 loop->header has virtual PHI, but exit_e->dest doesn't, add
618 virtual PHI to exit_e->dest and adjust all uses after the loop.
621 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
622 children with clone_tree_hash, not after it.
624 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
626 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
627 extended identifiers.
629 2012-02-16 Jakub Jelinek <jakub@redhat.com>
632 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
633 a same_body_alias, also test whether e->callee isn't a former
634 or current clone of the decl this is a same body alias of.
637 * cgraphunit.c (verify_cgraph_node): Fix a typo.
639 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
641 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
643 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
646 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
647 force_reg instead of copy_to_reg for better optimization. Force
648 non-register or memory operands into a register.
650 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
652 * extend.texi: Reserve upper bits of memory model for future use.
654 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
655 Anatoly Sokolov <aesok@post.ru>
656 Eric Weddington <eric.weddington@atmel.com>
659 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
660 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
661 Rewrite initializers for .macro.
662 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
663 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
664 atxmega32d4, atxmega32x1.
665 avrxmega4: atxmega64a3, atxmega64d3.
666 avrxmega5: atxmega64a1, atxmega64a1u.
667 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
668 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
669 avrxmega7: atxmega128a1, atxmega128a1u.
670 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
671 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
672 (struct base_arch_s): Rename reserved to xmega_p.
673 Rename reserved2 to have_rampd.
674 (AVR_XMEGA): New define.
675 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
676 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
677 * config/avr/predicates.md (io_address_operand): Take into
679 (low_io_address_operand): Ditto.
680 (high_io_address_operand): Ditto.
681 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
682 (enabled, movhi_sp_r): Use them.
683 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
684 cpp_define_formatted to built-in define __AVR_ARCH__.
685 (__AVR_XMEGA__): New built-in define.
686 (__AVR_HAVE_RAMPD__): New built-in define.
687 (__AVR_HAVE_RAMPX__): New built-in define.
688 (__AVR_HAVE_RAMPY__): New built-in define.
689 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
691 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
692 (avr_option_override): Initialize them.
693 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
694 (avr_init_expanders): Initialize them. No more block several calls.
695 (emit_push_sfr): New static function.
696 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
698 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
699 (avr_print_operand): Print addreeses as symbols for
700 RAMPX, RAMPY, RAMPD, CCP.
701 (output_movhi): Handle AVR_XMEGA when writing to SP.
702 (avr_out_movhi_mr_r_xmega): New static function.
703 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
704 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
705 __RAMPD__, __CCP__ as needed.
707 * config/avr/multilib.h: Regenerate.
708 * config/avr/t-multilib: Regenerate.
709 * config/avr/avr-tables.opt: Regenerate.
711 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
713 PR tree-optimization/50561
714 * graphite-flattening.c (lst_project_loop): Do not
715 remove old scattering dimensions after flattening.
716 (lst_do_flatten): Likewise.
718 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
720 * doc/extend.texi (AVR Built-in Functions): Remove doc for
721 __builtin_avr_map8, __builtin_avr_map16.
722 Document __builtin_avr_insert_bits.
724 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
725 (insert_bits): New insn.
726 (adjust_len.map_bits): Rename to insert_bits.
727 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
728 * avr-protos.h (avr_out_map_bits): Remove.
729 (avr_out_insert_bits, avr_has_nibble_0xf): New.
730 * config/avr/constraints.md (Cxf,C0f): New.
731 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
732 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
733 New built-in define __BUILTIN_AVR_INSERT_BITS.
734 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
735 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
736 (avr_move_bits): Rewrite.
737 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
739 (avr_map_op_t): New typedef.
740 (avr_map_op): New static variable.
741 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
742 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
743 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
744 (bdesc_3arg, avr_expand_triop_builtin): New.
745 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
746 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
747 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
748 (avr_map_equal_p, avr_map_sig_p): Remove.
749 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
750 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
751 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
752 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
753 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
754 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
756 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
758 * config/c6x/c6x.md (reserve_cycles): New attribute.
759 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
760 don't reserve functional units after the branch occurs.
762 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
765 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
766 functions into non-tm_pure functions.
768 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
771 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
772 (iterative_hash_canonical_type): Likewise.
773 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
776 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
778 * haifa-sched.c (prune_ready_list): Ensure that if there is a
779 sched-group insn, it either remains alone or the entire list is pruned.
781 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
783 * doc/install.texi (Prerequisites): Fix grammar.
784 (Configuration): Likewise.
786 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
788 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
789 MPC as part of GCC before describing configuring with --with-gmp etc.
790 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
793 2012-02-14 Jakub Jelinek <jakub@redhat.com>
796 * dwarf2out.c (clone_tree_hash): New function.
797 (copy_decls_walk): Use it instead of clone_tree.
799 2012-02-14 Richard Guenther <rguenther@suse.de>
801 PR tree-optimization/52244
802 PR tree-optimization/51528
803 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
804 replacements for integral types.
806 2012-02-14 Walter Lee <walt@tilera.com>
808 * config.gcc: Handle tilegx and tilepro.
809 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
811 Add HAVE_AS_TLS check for tilegx and tilepro.
812 * configure: Regenerate.
813 * doc/contrib.texi: Add Mat Hostetter and self.
814 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
815 Document instruction intrinsics and network accessing intrinsics.
816 (TILEPro Built-in Functions): New node. Document instruction
817 intrinsics and network accessing intrinsics.
818 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
819 (Specific, tilepro-*-linux*): Likewise.
820 * doc/invoke.texi (TILE-Gx Options): New section.
821 (TILEPro Options): New section.
822 * doc/md.texi (TILE-Gx): New section.
823 (TILEPro): New section.
824 * common/config/tilegx/tilegx-common.c: New file.
825 * common/config/tilepro/tilepro-common.c: New file.
826 * config/tilegx/constraints.md: New file.
827 * config/tilegx/linux.h: New file.
828 * config/tilegx/mul-tables.c: New file.
829 * config/tilegx/predicates.md: New file.
830 * config/tilegx/sync.md: New file.
831 * config/tilegx/t-tilegx: New file.
832 * config/tilegx/tilegx-builtins.h: New file.
833 * config/tilegx/tilegx-c.c: New file.
834 * config/tilegx/tilegx-generic.md: New file.
835 * config/tilegx/tilegx-modes.def: New file.
836 * config/tilegx/tilegx-multiply.h: New file.
837 * config/tilegx/tilegx-protos.h: New file.
838 * config/tilegx/tilegx.c: New file.
839 * config/tilegx/tilegx.h: New file.
840 * config/tilegx/tilegx.md: New file.
841 * config/tilegx/tilegx.opt: New file.
842 * config/tilepro/constraints.md: New file.
843 * config/tilepro/gen-mul-tables.cc: New file.
844 * config/tilepro/linux.h: New file.
845 * config/tilepro/mul-tables.c: New file.
846 * config/tilepro/predicates.md: New file.
847 * config/tilepro/t-tilepro: New file.
848 * config/tilepro/tilepro-builtins.h: New file.
849 * config/tilepro/tilepro-c.c: New file.
850 * config/tilepro/tilepro-generic.md: New file.
851 * config/tilepro/tilepro-modes.def: New file.
852 * config/tilepro/tilepro-multiply.h: New file.
853 * config/tilepro/tilepro-protos.h: New file.
854 * config/tilepro/tilepro.c: New file.
855 * config/tilepro/tilepro.h: New file.
856 * config/tilepro/tilepro.md: New file.
857 * config/tilepro/tilepro.opt: New file.
859 2012-02-14 Jakub Jelinek <jakub@redhat.com>
861 PR tree-optimization/52210
862 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
863 vect_model_simple_cost with two entry vect_def_type array instead
866 2012-02-14 Richard Guenther <rguenther@suse.de>
869 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
870 Do not stream DECL_QUALIFIER.
871 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
872 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
873 (find_decls_types_r): Do not walk DECL_QUALIFIER.
875 2012-02-14 Jakub Jelinek <jakub@redhat.com>
878 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
881 2012-02-13 Jakub Jelinek <jakub@redhat.com>
884 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
885 * cselib.c (cselib_subst_to_values_from_insn): New function.
886 * sched-deps.c (add_insn_mem_dependence,
887 sched_analyze_1, sched_analyze_2): Use it.
889 2012-02-13 Jan Hubicka <jh@suse.cz>
892 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
894 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
896 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
897 (GTM_SELF_SPECS): Define if not already defined.
898 (driver_self_specs): Add GTM_SELF_SPECS.
899 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
900 (GTM_SELF_SPECS): Define.
901 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
902 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
904 2012-02-13 Jakub Jelinek <jakub@redhat.com>
906 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
909 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
912 * omp-low.c (expand_omp_for): If a static schedule without chunk size
913 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
915 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
918 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
920 2012-02-13 Richard Guenther <rguenther@suse.de>
923 * passes.c (enable_disable_pass): Fix typo.
925 2012-02-13 Jakub Jelinek <jakub@redhat.com>
928 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
929 XOR for reduce_bit_field if type is unsigned.
931 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
933 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
934 disallow changes from SFmode to mode with different size in FP regs.
936 2012-02-12 Robert Millan <rmh@gnu.org>
937 Gerald Pfeifer <gerald@pfeifer.com>
939 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
942 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
944 PR rtl-optimization/52175
945 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
946 to frame-related instructions.
948 2012-02-10 Jason Merrill <jason@redhat.com>
951 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
952 (demangle_new_symbols): Fill it.
953 (scan_linker_output): Walk it.
954 (start_tweaking): Split out from scan_linker_output.
955 (maybe_tweak): Update sym->chosen.
956 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
958 2012-02-11 Jakub Jelinek <jakub@redhat.com>
961 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
963 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
965 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
966 having the same mode as previous compare.
968 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
970 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
971 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
972 (nonlocal_goto_internal): Likewise.
973 (nonlocal_goto): Emit a use and an indirect jump directly.
975 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
978 * doc/extend.texi : Update comments for __atomic_compare_exchange and
979 __atomic_{is,always}_lock_free.
981 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
984 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
985 negative constant address for x32.
987 2012-02-10 Richard Henderson <rth@redhat.com>
989 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
990 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
991 for GIMPLE_TRANSACTION. Tidy if's into a switch.
993 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
994 Ira Rosen <irar@il.ibm.com>
996 PR tree-optimization/50031
997 * targhooks.c (default_builtin_vectorization_cost): Handle
999 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1000 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1001 all types of reduction and pattern statements.
1002 (vect_estimate_min_profitable_iters): Likewise.
1003 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1004 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1005 for explicit realigns.
1006 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1007 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1009 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1010 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1011 vec_perm for VSX and handle vec_promote_demote.
1013 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1016 * builtins.c (fold_builtin_atomic_always_lock_free,
1017 expand_builtin_atomic_always_lock_free,
1018 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1019 Return and/or test boolean_true_node/boolean_false_node instead of
1020 integer_one_node/integer_zero_node.
1022 2012-02-10 Jan Hubicka <jh@suse.cz>
1025 * predict.c (predict_paths_for_bb): Prevent looping.
1026 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1028 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1030 * config/arm/arm.c (output_move_double): In one case properly
1031 count number of instructions that will be emitted.
1033 2012-02-10 Richard Guenther <rguenther@suse.de>
1035 PR translation/52193
1036 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1038 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1041 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1043 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1046 * var-tracking.c (emit_note_insn_var_location): If
1047 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1048 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1049 non-NOTE_DURING_CALL_P insn.
1051 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1054 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1056 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1059 * gcc.c (switch_matches) Support switches with separated form,
1062 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1064 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1066 (RAMPZ_ADDR): Ditto.
1067 * config/avr/avr.c (avr_addr_t): New typedef.
1068 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1069 (avr_init_expanders): Initialize it.
1070 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1072 (expand_epilogue): Ditto.
1073 (avr_print_operand): Ditto.
1074 (avr_file_start): Ditto.
1075 (avr_emit_movmemhi): Ditto.
1077 2012-02-08 Richard Guenther <rguenther@suse.de>
1079 PR tree-optimization/46886
1080 * tree-flow.h (do_while_loop_p): Declare.
1081 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1082 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1084 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1086 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1087 always succeed for integers larger than a native word.
1089 2012-02-08 Richard Guenther <rguenther@suse.de>
1091 PR rtl-optimization/52170
1092 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1093 properly handle integer vector modes.
1095 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1097 PR gcov-profile/52150
1098 * coverage.c: Include target.h.
1099 (build_var): Call targetm.strip_name_encoding on the assembler name.
1100 Change one _ into . or $ if the target allows it.
1101 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1103 PR rtl-optimization/52139
1104 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1105 is a BARRIER after emit_insn_after_noloc, move BB_END
1106 to the last non-BARRIER insn before it.
1108 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1111 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1112 (mips_gimplify_va_arg_expr): Call it instead of
1113 std_gimplify_va_arg_expr.
1115 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1117 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1118 message for -mno-pointers-to-nested-function.
1120 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1123 * expr.c (get_inner_reference): If there is an offset, add a negative
1124 bit position to it (if any).
1126 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1128 PR rtl-optimization/52060
1129 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1130 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1131 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1132 and/or i0src_copy2 when needed.
1134 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1136 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1137 or LTOPLUGINSONAME if have_c.
1139 * config/freebsd-spec.h: Add comment about what macros can be defined
1141 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1142 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1145 2012-02-07 Richard Guenther <rguenther@suse.de>
1147 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1148 newline in -alias dumps.
1150 2012-02-07 Kai Tietz <ktietz@redhat.com>
1151 Dave Korn <dave.korn.cygwin@gmail.com>
1154 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1155 Take care that typinfo gets dllexport-attribute.
1157 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1160 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1161 if modifier < EXPAND_SUM call force_operand on the result.
1163 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1165 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1166 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1168 (epiphany_function_type): Replace types for specific interrupts with
1169 EPIPHANY_FUNCTION_INTERRUPT.
1170 (EPIPHANY_INTERRUPT_P): Update.
1171 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1172 New static function.
1173 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1174 <disinterrupt>: Affects type identity.
1175 (epiphany_handle_interrupt_attribute): Handle variable number of
1177 (epiphany_compute_function_type): Update for new
1178 epiphany_function_type definition.
1179 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1180 handlers with a longcall forwarder.
1181 (epiphany_start_function): Handle multiple interrupt arguments and/or
1182 forwarder_section attribute.
1184 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1187 2012-02-07 Alan Modra <amodra@gmail.com>
1190 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1193 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1195 PR tree-optimization/50969
1196 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1197 use vec_perm rather than vector_stmt.
1198 (vect_model_load_cost): Likewise.
1199 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1200 vec_perm to be the same as other vector statements.
1201 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1202 cost of vec_perm for TARGET_VSX.
1204 2012-02-06 Richard Guenther <rguenther@suse.de>
1206 PR tree-optimization/52115
1207 * tree-sra.c (access_has_replacements_p): New function.
1208 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1210 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1213 * trans-mem.c (expand_call_tm): Add an assertion.
1214 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1217 2012-02-06 Richard Guenther <rguenther@suse.de>
1219 PR tree-optimization/50955
1220 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1221 raise cost of expressions that replace an address with an
1222 expression based on a different pointer.
1224 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1227 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1228 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1230 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1233 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1234 -Weffc++ and specify guidelines come from second edition.
1236 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1238 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1239 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1240 (call_direct_split, call_value_split, call_value_internal_direct)
1241 (call_value_direct_split, call_value_multiple_split): Use jal and
1242 jal_macro attributes.
1244 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1246 * reload1.c (reload_regs_reach_end_p): Replace with...
1247 (reload_reg_rtx_reaches_end_p): ...this function.
1248 (new_spill_reg_store): Update commentary.
1249 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1250 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1251 before setting new_spill_reg_store.
1252 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1253 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1254 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1255 for non-spill reload registers.
1257 2012-02-05 Ira Rosen <irar@il.ibm.com>
1259 PR tree-optimization/52091
1260 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1261 (vect_is_simple_use_1): Likewise.
1262 * tree-vect-loop.c (vectorizable_reduction): Update calls
1263 to vect_is_simple_use_1 and vect_is_simple_use.
1264 (vectorizable_live_operation): Likewise.
1265 * tree-vect-patterns.c (widened_name_p,
1266 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1267 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1268 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1269 vectorizable_shift,vectorizable_operation, vectorizable_store,
1270 vectorizable_load): Likewise.
1271 (vect_is_simple_cond): Add an argument, pass it to
1272 vect_is_simple_use_1.
1273 (vectorizable_condition): Update calls to vect_is_simple_cond,
1275 (vect_is_simple_use): Add an argument, the statement in which
1276 OPERAND is used. Check that if OPERAND's def stmt is a double
1277 reduction phi node, the use is a phi node too.
1278 (vect_is_simple_use_1): Add an argument, pass it to
1280 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1281 to vect_is_simple_use.
1283 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1285 PR rtl-optimization/52095
1286 * modulo-sched.c (dump_insn_locator): New function.
1287 (loop_canon_p, sms_schedule): Use it.
1289 PR rtl-optimization/52113
1290 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1291 even for decomposable shift/zext insns.
1293 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1294 Zdenek Dvorak <ook@ucw.cz>
1296 PR rtl-optimization/52092
1297 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1298 on get_iv_value result.
1300 2012-02-02 Andrew Pinski <apinski@cavium.com>
1304 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1306 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1309 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1311 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1313 PR rtl-optimization/49800
1314 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1315 (sched_finish): Call regstat_free_n_sets_and_refs.
1317 2012-02-02 Jia Liu <proljc@gmail.com>
1319 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1322 2012-02-02 Jan Hubicka <jh@suse.cz>
1323 Tom de Vries <tom@codesourcery.com>
1326 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1327 * varpool.c (varpool_analyze_pending_decls): Likewise.
1329 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1330 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1332 * config.gcc: Add cr16-* support.
1334 * doc/extend.texi: Document cr16 extensions.
1335 * doc/install.texi: Document cr16 install.
1336 * doc/invoke.texi: Document cr16 options.
1337 * doc/md.texi: Document cr16 constraints.
1339 * common/config/cr16/cr16-common.c: New file.
1340 * config/cr16/cr16.c: New file.
1341 * config/cr16/cr16.h: New file.
1342 * config/cr16/cr16.md: New file.
1343 * config/cr16/cr16.opt: New file.
1344 * config/cr16/cr16-protos.h: New file.
1345 * config/cr16/predicates.md: New file.
1346 * config/cr16/constraints.md: New file.
1347 * config/cr16/t-cr16: New file.
1349 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1352 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1353 that operands[2] is either immediate, or q_regs_operand.
1355 PR tree-optimization/52073
1356 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1357 a pattern stmt for pattern uses, ignore uses outside of the loop.
1359 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1361 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1362 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1363 (OUT_AS1, OUT_AS2): Remove.
1365 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1367 PR rtl-optimization/51374
1368 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1369 to cross other volatile_refs_p insns.
1371 2012-02-01 Richard Guenther <rguenther@suse.de>
1373 * doc/invoke.texi (fno-inline): Clarify documentation.
1374 (finline-small-functions): Likewise.
1375 (finline-functions): Likewise.
1376 * common.opt (finline): Adjust comment and documentation.
1377 (finline-small-functions): Clarify documentation.
1378 (finline-functions): Likewise.
1379 (finline-functions-called-once): Likewise.
1381 2012-02-01 Tristan Gingold <gingold@adacore.com>
1383 * c-typeck.c (composite_type): Keep mode for pointers.
1385 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1387 * function.h (regno_reg_rtx): Adjust comment.
1388 * reginfo.c (init_reg_modes_target): Only use the previous mode
1389 if it fits within one register. Remove MIPS comment.
1391 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1394 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1396 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1398 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1399 to srak instruction.
1401 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1403 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1405 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1410 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1412 2012-01-31 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/51528
1415 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1418 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1423 * ree.c (add_removable_extension): Change def_map argument
1424 to unsigned *, store in def_map 1 + offset into *insn_list vector
1425 instead of pointers into the vector.
1426 (find_removable_extensions): Adjust caller.
1428 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1430 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1431 Transform all "* quoted-c-code" to { c-code }.
1432 Remove redundant test for "optimize" in combine patterns.
1433 Move (include "avr-dimode.md") to end of file.
1435 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1438 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1439 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1441 2012-01-30 Richard Guenther <rguenther@suse.de>
1443 PR tree-optimization/52028
1444 * tree-loop-distribution.c (ldist_gen): Properly update
1447 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1450 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1451 set_cur_line_info_table if not emitting debug info.
1453 PR tree-optimization/52046
1454 * tree-vect-patterns.c (check_bool_pattern): Give up if
1455 a comparison could throw.
1458 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1460 2012-01-30 Richard Guenther <rguenther@suse.de>
1462 PR tree-optimization/52045
1463 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1464 SSA form if cfgcleanup did anything.
1466 2012-01-30 Richard Guenther <rguenther@suse.de>
1468 PR tree-optimization/52045
1469 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1470 before computing final todo.
1472 2012-01-30 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/51528
1475 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1478 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1480 * df-problems.c (df_kill_notes): Check that the use refers
1481 to the note under examination.
1483 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1486 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1487 parameter and use short-lived pseudos.
1488 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1489 (sparc_expand_vector_init): Const-ify local variables and adjust
1490 calls to above functions.
1492 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1494 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1496 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1498 * doc/invoke.texi: Make usage of "compile time" and
1499 "run time"/"runtime" consistent throughout the file.
1501 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1503 * config/alpha/alpha.c (alpha_option_override): Default to
1504 full IEEE compliance mode for Go language.
1506 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1508 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1509 (LINK_SSP_SPEC): Define.
1511 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1514 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1517 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1519 * doc/invoke.texi: Correct hyphenation of "floating point",
1520 "double precision", and related terminology throughout the file.
1522 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1525 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1526 arm_general_register_operand predicate for operand 2 instead of
1529 2012-01-27 Ian Lance Taylor <iant@google.com>
1532 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1533 * builtins.c (expand_builtin_init_trampoline): Add onstack
1534 parameter. Change caller.
1535 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1536 * tree.c (build_common_builtin_nodes): Declare
1537 __builtin_init_heap_trampoline.
1539 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1541 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1542 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1543 * config/avr/avr.c: Ditto.
1544 (avr_regnames): Remove because unused.
1545 * config/avr/avr.md (*cpse.ne): New peephole.
1546 (*cpse.eq): New peephole from former cpse peepholes.
1548 2012-01-27 Michael Eager <eager@eagercon.com>
1550 * config/microblaze.c (microblaze_emit_compare): Correct
1551 test after pcmp instruction.
1553 2012-01-27 Richard Guenther <rguenther@suse.de>
1555 PR tree-optimization/52020
1556 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1558 2012-01-27 Richard Guenther <rguenther@suse.de>
1560 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1561 function non-const/pure.
1563 2012-01-27 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/50444
1566 * tree-sra.c (build_ref_for_offset): Properly adjust the
1567 MEM_REF type for unaligned accesses.
1569 2012-01-27 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/50444
1572 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1573 (expand_assignment): Use it. Properly handle misaligned
1574 bases when expanding stores to component references.
1575 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1578 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1581 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1582 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1583 * tree-data-ref.c (find_data_references_in_loop): Make static.
1584 (compute_all_dependences): Change return type to bool. Bail out
1585 for too many datarefs in a loop. Move the hunk resetting the data
1586 dependences vector from ...
1587 (compute_data_dependences_for_loop): ... here. Account for
1588 compute_all_dependences returning false.
1589 (compute_data_dependences_for_bb): Likewise.
1590 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1591 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1593 2012-01-27 Richard Guenther <rguenther@suse.de>
1596 * expr.c (store_field): Use the alias-set of the scratch memory
1599 2012-01-27 Tom de Vries <tom@codesourcery.com>
1601 PR tree-optimization/51990
1602 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1604 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1606 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1609 * var-tracking.c (reverse_op): Don't add any reverse operation
1610 if V already has any constant locations.
1612 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1614 * doc/invoke.texi: Correct usage of "command line" (noun)
1615 vs "command-line" (adjective) throughout.
1617 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1619 * doc/invoke.texi (Language Independent Options): Move
1620 -Wcoverage-mismatch blurb from here....
1621 (Warning Options): ...to here.
1623 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1625 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1626 Set rs6000_always_hint to false for 476.
1628 2012-01-27 Matthias Klose <doko@ubuntu.com>
1630 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1632 * incpath.c (add_standard_paths): Likewise.
1634 2012-01-27 Richard Henderson <rth@redhat.com>
1636 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1637 * config/m68k/sync.md (atomic_test_and_set): Rename from
1638 sync_test_and_setqi and adjust the operands.
1639 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1640 and unconditionally enable.
1642 2012-01-27 Richard Henderson <rth@redhat.com>
1644 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1645 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1646 (ldstub): Rename from ldstubqi.
1647 (ldstub<I24MODE>): Remove.
1649 2012-01-27 Richard Henderson <rth@redhat.com>
1651 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1652 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1653 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1654 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1655 * doc/tm.texi: Rebuild.
1657 2012-01-27 Richard Henderson <rth@redhat.com>
1659 * optabs.c (gen_atomic_test_and_set): Remove default.
1660 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1662 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1664 PR rtl-optimization/51978
1665 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1666 (combine_reaching_defs): Likewise.
1667 (struct re_info): Remove.
1668 (add_removable_extension): Remove x and data arguments,
1669 add insn, insn_list and def_map. Use the arguments directly
1670 instead of using struct re_info.
1671 (find_removable_extensions): Don't call add_removable_extension
1672 through note_stores, instead just call it with single_set
1674 (find_and_remove_re): Pass curr_cand->expr instead of
1675 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1677 2012-01-26 Michael Matz <matz@suse.de>
1679 PR tree-optimization/46590
1680 * cfgexpand.c: Revert last change (r183305).
1681 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1683 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1684 checking for emptiness.
1686 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1689 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1690 non-addressable non-BLKmode base correctly.
1692 2012-01-26 Michael Matz <matz@suse.de>
1694 PR tree-optimization/48794
1695 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1696 regions referenced from RESX/EH_DISPATCH.
1698 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1700 * config/s390/s390.h: Make BRANCH_COST an option.
1701 * config/s390/s390.opt: New option -mbranch-cost.
1703 2012-01-26 Richard Henderson <rth@redhat.com>
1705 Revert 2012-01-24 change:
1706 * trans-mem.c (requires_barrier): Do not instrument thread local
1707 variables and emit save/restore for them.
1709 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1712 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1715 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1717 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1720 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1723 Rename __pgm to __flash.
1724 Rename __pgm1 to __flash1.
1725 Rename __pgm2 to __flash2.
1726 Rename __pgm3 to __flash3.
1727 Rename __pgm4 to __flash4.
1728 Rename __pgm5 to __flash5.
1729 Rename __pgmx to __memx.
1730 * doc/extend.texi (AVR Named Address Spaces)
1731 Rename address space names as indicated above.
1732 * config/avr/avr.c (avr_addrspace): Ditto.
1734 * config/avr/avr-protos.h
1735 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1736 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1737 * config/avr/predicates.md: Ditto.
1738 * config/avr/avr.c Ditto, and
1739 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1740 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1742 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1743 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1744 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1745 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1746 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1747 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1748 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1749 * config/avr/avr.c: Ditto.
1750 * config/avr/avr.md: Ditto.
1752 2012-01-25 Jason Merrill <jason@redhat.com>
1755 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1757 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1759 PR tree-optimization/51987
1760 * tree-data-ref.c (get_references_in_stmt): Handle references in
1761 non-volatile GIMPLE_ASM.
1763 2012-01-25 Richard Guenther <rguenther@suse.de>
1765 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1766 bases are dereferenced.
1768 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1770 PR rtl-optimization/48374
1771 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1773 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1775 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1776 compute_data_dependences_for_loop returns false.
1777 * tree-parloops.c (loop_parallel_p): Likewise.
1779 2012-01-25 Richard Guenther <rguenther@suse.de>
1781 * tree.h (get_pointer_alignment_1): Declare.
1782 * builtins.c (get_pointer_alignment_1): New function.
1783 (get_pointer_alignment): Use it.
1785 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1787 PR rtl-optimization/48308
1788 * combine.c (enum undo_kind): Add UNDO_LINKS.
1789 (struct undo): Add member l to other_contents and where.
1790 (do_SUBST_LINK): New.
1792 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1793 (undo_all): Handle UNDO_LINKS.
1795 2012-01-25 Richard Henderson <rth@redhat.com>
1797 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1800 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1802 * optabs.c (gen_atomic_test_and_set): Use each argument.
1804 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1806 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1807 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1808 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1809 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1810 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1811 TARGET_PAIRED_SINGLE_FLOAT.
1813 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1815 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1816 (in_struct, return_val): Remove MEM documentation.
1817 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1818 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1819 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1821 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1822 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1823 * expr.c (store_field): Likewise.
1824 * function.c (assign_stack_temp_for_type): Likewise.
1825 * ifcvt.c (noce_try_cmove_arith): Likewise.
1826 * reload1.c (reload): Likewise.
1827 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1828 (alpha_set_memflags): Likewise.
1829 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1831 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1833 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1835 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1836 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1837 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1839 * cselib.c (cselib_rtx_varies_p): Delete.
1840 (cselib_invalidate_mem): Update call to canon_true_dependence.
1841 * dse.c (record_store, check_mem_read_rtx): Likewise.
1842 (scan_reads_nospill): Likewise.
1843 * cse.c (check_dependence): Likewise.
1844 (cse_rtx_varies_p): Delete.
1845 * expr.c (safe_from_p): Update call to true_dependence.
1846 * ira.c (validate_equiv_mem_from_store): Likewise.
1847 (memref_referenced_p): Likewise.
1848 * postreload-gcse.c (find_mem_conflicts): Likewise.
1849 * sched-deps.c (sched_analyze_2): Likewise.
1850 * store-motion.c (load_kills_store): Likewise.
1851 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1852 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1853 (compute_transp): Update call to canon_true_dependence.
1855 2012-01-25 Richard Henderson <rth@redhat.com>
1857 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1858 (maybe_emit_atomic_test_and_set): New.
1859 (expand_sync_lock_test_and_set): Use it.
1860 (expand_atomic_test_and_set): Likewise.
1861 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1862 the implementation; clarify implementation defined details.
1863 * doc/md.texi (atomic_test_and_set): Document.
1865 2012-01-25 Richard Henderson <rth@redhat.com>
1867 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1869 2012-01-25 Richard Henderson <rth@redhat.com>
1872 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1873 to effect no-op split.
1875 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1878 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1879 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1880 (BT_FN_VOID_PTR_INT_SIZE): New.
1881 (BT_FN_UINT_UINT_VAR): Remove.
1882 (BT_FN_UINT32_UINT32_VAR): New.
1883 (BT_FN_DOUBLE_VPTR): Remove.
1884 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1886 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1887 (_ITM_changeTransactionMode): Same.
1888 (_ITM_memmoveRtWt): Change return type to void.
1889 (_ITM_memcpyRtWt): Same.
1890 (_ITM_memsetW): Same.
1891 (_ITM_RaRD): Change types to double.
1896 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1898 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1899 Patrick Marlier <patrick.marlier@gmail.com>
1901 * trans-mem.c (requires_barrier): Do not instrument thread local
1902 variables and emit save/restore for them.
1904 2012-01-24 Jason Merrill <jason@redhat.com>
1907 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1908 output static aliases.
1910 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1913 * common.opt (-pie, -shared, pie, shared): Change from Common to
1915 * gcc.c (display_help): Display help for -pie and -shared.
1917 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1920 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1921 Remove note on size/offset limitation.
1922 (AVR Variable Attributes): Add example how to read data located
1923 with progmem. Refer to named address spaces.
1924 * doc/invoke.texi (AVR Options): Fix typo.
1926 2012-01-24 Richard Guenther <rguenther@suse.de>
1928 Forward-port to trunk
1929 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1932 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1933 op0 isn't sufficiently aligned and there is movmisalignM
1934 insn for mode, use it to load op0 into a temporary register.
1936 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1939 * target.def (const_not_ok_for_debug_p): New hook.
1940 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1942 * doc/tm.texi: Regenerated.
1943 * dwarf2out.c (const_ok_for_output_1): If
1944 targetm.const_not_ok_for_debug_p returns true, fail.
1945 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1947 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1949 2012-01-23 Kai Tietz <ktietz@redhat.com>
1952 * config/i386/predicates.md (symbolic_operand): Allow
1953 UNSPEC_PCREL as PIC expression for lea.
1954 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1955 * config/i386/i386.c (ix86_delegitimize_address): Handle
1956 UNSPEC_PCREL for none-MEM, too.
1958 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1960 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1961 (ipa_tm_create_version_alias): Same.
1963 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1966 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1967 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1969 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1970 Patrick Marlier <patrick.marlier@gmail.com>
1971 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1974 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1975 simple_object_start_read.
1977 2012-01-23 Richard Guenther <rguenther@suse.de>
1980 PR tree-optimization/51895
1981 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1982 parameter decomposition into BLKmode components.
1984 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1986 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1987 fake variables for restrict-qualified pointers whose pointed-to type
1988 contains a placeholder.
1990 2012-01-23 Richard Guenther <rguenther@suse.de>
1992 PR tree-optimization/51949
1993 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1995 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1997 PR rtl-optimization/51933
1998 * ree.c (transform_ifelse): Return true right away if dstreg is
1999 already wider or equal to cand->mode.
2000 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2001 (make_defs_and_copies_lists): Remove defs_list and copies_list
2002 arguments, add state argument, just truncate state->work_list
2003 instead of always allocating and freeing the vector. Assert that
2004 get_defs succeeds instead of returning 2. Changed return type to bool.
2005 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2006 have ext_src_mode, see if it has been modified already with the
2007 right kind of extension and has been extended before from the
2008 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2009 just return true. Remember the original mode in state->modified array.
2010 (combine_reaching_defs): Add state argument. Don't allocate and
2011 free here def_list, copied_list and vec vectors, instead just
2012 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2013 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2014 Add state variable, clear vectors in it, initialize state.modified
2015 if needed. Free all the vectors at the end and state.modified too.
2016 Don't skip a candidate if the extension expression has been modified.
2018 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2021 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2022 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2023 (extra_options) interix.opt -> i386/interix.opt"
2024 (extra_objs):Add winnt-stubs.o
2025 * configure.ac: Add interix to target_os .comm on PE check.
2026 * configure: Regenerate.
2027 * config/interix3.h: Delete and move bits to..
2028 * config/interix.h: Delete and move bits to..
2029 * config/i386/i386-interix3.h: Delete and move bits to..
2030 * config/i386/i386-interix.h: ..here.
2031 (TARGET_CPU_DEFAULT): Remove redefinition.
2032 (TARGET_ASM_CONSTRUCTOR): Undefine.
2033 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2034 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2035 (PTRDIFF_TYPE): Define.
2036 (LONG_DOUBLE_TYPE_SIZE): Define.
2037 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2038 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2039 (TARGET_SECTION_TYPE_FLAGS): Define.
2040 (ASM_DECLARE_FUNCTION_NAME): Define.
2041 (ASM_OUTPUT_EXTERNAL): Define.
2042 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2043 (ASM_OUTPUT_ALIGNED_BSS): Define.
2044 (PCC_BITFIELD_TYPE_MATTERS): Define.
2045 (USE_CONST_SECTION): Define.
2046 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2047 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2048 (SUPPORTS_ONE_ONLY): Remove.
2049 (I386_PE_STRIP_ENCODING): Define.
2050 * config/interix.opt: Delete and move bits to..
2051 * config/i386/interix.opt: ..here. New.
2052 (mpe-aligned-commons): Add.
2053 * config/i386/t-interix: Add copyright header.
2054 (winnt-stubs.o): Add rule.
2056 2012-01-22 Jason Merrill <jason@redhat.com>
2059 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2060 for extra name aliases.
2062 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2064 PR rtl-optimization/51924
2065 * ree.c (combine_set_extension): Improve debugging message.
2066 (combine_reaching_defs): Likewise.
2067 (get_defs): Rename confusingly named variable.
2068 (find_and_remove_re): Skip a candidate if the extension expression has
2071 2012-01-21 Robert Millan <rmh@gnu.org>
2072 Gerald Pfeifer <gerald@pfeifer.com>
2074 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2075 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2077 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2079 PR tree-optimization/51914
2080 * tree-vect-stmts.c (vectorizable_conversion): For
2081 cvt_type && modifier == WIDEN, put temporary with cvt_type
2082 at the beginning of vec_dsts and set vec_dest to temporary
2085 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2087 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2089 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2091 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2092 * config/rs6000/rs6000.c: Likewise.
2094 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2097 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2098 output_move_double on a copy of operands array.
2100 2012-01-20 Cary Coutant <ccoutant@google.com>
2101 Dodji Seketeli <dodji@redhat.com>
2104 * dwarf2out.c (copy_declaration_context): Return ref to parent
2105 of declaration DIE, if necessary.
2106 (remove_child_or_replace_with_skeleton): Add new parameter; update
2107 caller. Place skeleton DIE under parent DIE of original declaration.
2108 Move call to copy_declaration_context to here ...
2109 (break_out_comdat_types): ... from here.
2111 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2113 PR rtl-optimization/51856
2114 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2117 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2120 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2121 hints for neon loads and stores.
2123 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2127 * doc/extend.texi (Named Address Spaces): Split into subsections.
2128 (AVR Named Address Spaces): New subsection.
2129 (M32C Named Address Spaces): New subsection.
2130 (RL78 Named Address Spaces): New subsection.
2131 (SPU Named Address Spaces): New subsection.
2132 (Variable Attributes): New anchor "AVR Variable Attributes".
2133 (AVR Variable Attributes): Rewrite and avoid wording
2134 "address space" in this context.
2135 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2136 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2137 (AVR Built-in Macros): New subsubsection therein.
2138 * doc/md.texi (AVR constraints): Remove "C04", "R".
2140 2012-01-20 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/51903
2143 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2144 when removing stmts.
2146 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2149 * config/arm/arm.c (arm_load_pic_register): Use
2150 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2151 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2152 (arm_pic_static_addr): Likewise.
2153 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2154 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2155 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2156 (pic_load_addr_unified): New.
2158 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2161 * function.c (instantiate_virtual_regs_in_insn): Use
2162 delete_insn_and_edges when removing a wrong asm insn.
2164 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2166 PR rtl-optimization/40761
2167 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2168 Add new member loop_num.
2169 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2170 (ira_build): Remove the parameter.
2172 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2173 (ira.c): Do not build CFG loops for one region allocation. Remove
2174 argument from ira_build call.
2176 * ira-build.c (init_loop_tree_node): New function.
2177 (create_loop_tree_nodes): Use it. Separate the case when CFG
2178 loops are not built.
2179 (more_one_region_p): Check current_loops.
2180 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2182 (add_loop_to_tree): Process loop equal to NULL too.
2183 (form_loop_tree): Separate the case when CFG loops are not built.
2184 Use explicitly number for the root.
2185 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2187 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2188 instead of loop->num.
2189 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2190 (mark_all_loops_for_removal): Ditto.
2191 (remove_unnecessary_regions): Separate the case when CFG loops
2193 (ira_build): Remove the parameter. Use explicit number of regions
2194 when CFG loops are not built.
2196 * ira-color.c (print_loop_title): Separate the case for the root node.
2197 Use loop_num instead of loop->num.
2198 (move_spill_restore): Use loop_num instead of loop->num.
2200 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2201 (change_loop): Ditto.
2202 (change_loop): Use loop_num instead of loop->num.
2204 * ira-lives.c (process_bb_node_lives): Ditto.
2206 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2208 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2210 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2213 * tree-mudflap.c (mf_artificial): New function.
2214 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2215 mx_register_decls, mudflap_enqueue_decl): Use it.
2218 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2219 numbers in the insn pattern.
2221 2012-01-19 Michael Matz <matz@suse.de>
2223 PR tree-optimization/46590
2224 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2225 use it in remembering which conflicts we already created.
2226 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2229 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2232 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2233 (merge_and_complain): Same.
2235 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2238 * config/initfini-array.h: Guard content of the header
2239 with #ifdef HAVE_INITFINI_ARRAY.
2240 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2241 Add initfini-array.h to tm_file here.
2242 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2243 * config.gcc: Don't add initfini-array.h to tm_file here.
2244 * configure: Regenerated.
2246 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2248 PR rtl-optimization/51505
2249 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2250 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2251 (df_note_bb_compute): Update the call to df_kill_notes.
2253 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2255 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2257 2012-01-18 Richard Guenther <rguenther@suse.de>
2259 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2260 of conversions to void *.
2262 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2263 Richard Sandiford <rdsandiford@googlemail.com>
2267 * optabs.h (simplify_expand_binop): Declare.
2268 * optabs.c (simplify_expand_binop): Make global.
2269 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2270 endian targets if the source cannot be exactly covered by word
2273 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2276 * hard-reg-set.h (struct hard_reg_set_container): New type.
2277 * target.h (struct hard_reg_set_container): Forward declare.
2278 * target.def (set_up_by_prologue): New target hook.
2279 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2280 * doc/tm.texi: Regenerated.
2281 * function.c (thread_prologue_and_epilogue_insns): Change
2282 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2283 Call targetm.set_up_by_prologue on it.
2284 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2285 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2287 2012-01-17 Nick Clifton <nickc@redhat.com>
2289 * config/rx/rx.c (rx_can_use_simple_return): New function.
2290 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2291 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2293 2012-01-17 Richard Guenther <rguenther@suse.de>
2296 * expr.c (expand_assignment): Take address-space information
2297 from the address operand of MEM_REF and TARGET_MEM_REF.
2298 (expand_expr_real_1): Likewise.
2300 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2302 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2303 reload dump is requested.
2305 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2308 * trans-mem.c (requires_barrier): Call may_be_aliased.
2310 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2312 PR tree-optimization/51877
2313 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2314 call arguments and fndecls compare equal, instead return false if they
2315 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2316 both SSA_NAMEs that are valueized the same, or they satisfy
2319 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2321 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2323 * configure: Regenerate.
2325 2012-01-16 Jan Hubicka <jh@suse.cz>
2329 * convert.c (convert_to_integer): Use fold_convert for
2330 converting an INTEGER_CST to integer type.
2332 2012-01-16 Jason Merrill <jason@redhat.com>
2335 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2337 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2340 * config/s390/s390.c (s390_chunkify_start): Don't skip
2341 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2342 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2343 If insn is followed by NOTE_INSN_VAR_LOCATION or
2344 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2345 Don't use location of note insns.
2347 PR tree-optimization/51865
2348 * tree-inline.c (tree_function_versioning): Call remap_decl
2349 on DECL_RESULT whenever it has VOID_TYPE_P type.
2351 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2353 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2354 for calls to locally-binding MIPS16 functions if only the return
2355 type uses float regs.
2357 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2358 Richard Sandiford <rdsandiford@googlemail.com>
2360 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2361 (SYMBOL_32_HIGH): Likewise.
2362 (mips_output_tls_reloc_directive): Declare.
2363 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2364 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2365 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2366 (mips_lo_relocs, mips_hi_relocs): Make extern.
2367 (mips16_stub_function): Move up file.
2368 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2369 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2370 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2371 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2372 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2373 (mips_get_tp): Add MIPS16 support.
2374 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2375 Generalize DTPREL and TPREL handling.
2376 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2377 Add MIPS16 TLS support.
2378 (mips_output_tls_reloc_directive): New function.
2379 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2380 * config/mips/predicates.md (symbolic_operand_with_high)
2381 (tls_reloc_operand): New predicates.
2382 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2383 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2384 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2385 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2386 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2387 (*tls_get_tp_mips16_call_<mode>): Likewise.
2389 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2391 PR rtl-optimization/51821
2392 * recog.c (peep2_find_free_register): Determine clobbered registers
2395 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2398 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2399 * config/avr/avr.c: Likewise.
2400 * config/avr/avr.h: Likewise.
2402 2012-01-13 Ian Lance Taylor <iant@google.com>
2405 * tree.h (TYPE_QUALS): Add cast to int.
2406 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2408 2012-01-13 Ian Lance Taylor <iant@google.com>
2410 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2411 comparing param_index to VEC_length result.
2413 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2415 * c-decl.c: Do not include tree-mudflap.h
2416 * tree-optimize.c: Likewise.
2417 * Makefile.in: Update dependencies.
2419 2012-01-13 Richard Guenther <rguenther@suse.de>
2422 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2423 variable-sized result always use RSO.
2425 2012-01-12 DJ Delorie <dj@redhat.com>
2427 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2428 pointer type, not just the default pointer type.
2430 2012-01-09 Richard Henderson <rth@redhat.com>
2431 Denis Chertykov <chertykov@gmail.com>
2434 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2435 * config/avr/avr.c (avr_can_eliminate): Simplify.
2436 (avr_initial_elimination_offset): Likewise.
2437 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2438 (expand_epilogue): Likewise.
2439 (avr_legitimize_address): Gut.
2440 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2441 (avr_hard_regno_nregs): New.
2442 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2443 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2444 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2445 add soft frame pointer.
2446 (CALL_USED_REGISTERS): Likewise.
2447 (REG_CLASS_CONTENTS): Likewise.
2448 (REGISTER_NAMES): Likewise.
2449 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2450 (HARD_FRAME_POINTER_REGNUM): New.
2451 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2452 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2453 remove the HARD_FRAME_POINTER self-elimination.
2455 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2458 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2459 DECL_EXTERNAL when checking for initializers of progmem variables.
2461 2012-01-12 Ira Rosen <irar@il.ibm.com>
2463 PR tree-optimization/51799
2464 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2465 that the last operation is a type demotion.
2467 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2469 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2470 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2472 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2475 * combine.c (distribute_notes): If i3 is a noreturn call,
2476 allow old_size to be equal to args_size and make sure the
2477 noreturn call gets REG_ARGS_SIZE note.
2478 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2479 on noreturn calls even when the delta is 0.
2481 2012-01-11 Nathan Sidwell <nathan@acm.org>
2483 * gcov.c (STRING_SIZE): Remove.
2484 (generate_results): Erase annotations for source files with no
2485 coverage information.
2487 (output_lines): Use it.
2489 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2491 * gimple.h (gimplify_body): Remove first argument.
2492 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2493 pointer set here, instead just pass DATA to walk_tree.
2494 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2495 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2496 (unvisit_body): Likewise, but with unmark_visited.
2497 (gimplify_body): Remove BODY_P argument and adjust.
2498 (gimplify_function_tree): Adjust call to gimplify_body.
2499 * omp-low.c (finalize_task_copyfn): Likewise.
2501 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2503 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2504 (build_function_type_skip_args): Delete.
2505 * tree.c (build_function_type_skip_args): Make static and add
2506 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2507 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2508 pass it to build_function_type_skip_args.
2509 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2510 (tree_function_versioning): Likewise.
2511 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2512 build_function_decl_skip_args.
2513 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2514 and pass it to build_function_decl_skip_args/tree_function_versioning.
2515 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2516 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2517 * trans-mem.c (ipa_tm_create_version): Likewise.
2518 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2519 * tree-inline.c (declare_return_variable): Remove always-true test.
2520 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2521 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2522 * ipa-split.c (split_function): Skip the return value for the split
2523 part if it doesn't return.
2525 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2527 PR tree-optimization/49642
2528 * ipa-split.c (forbidden_dominators): New variable.
2529 (check_forbidden_calls): New function.
2530 (dominated_by_forbidden): Likewise.
2531 (consider_split): Check for forbidden dominators.
2532 (execute_split_functions): Initialize and free forbidden
2533 dominators info; call check_forbidden_calls.
2535 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2537 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2539 2012-01-11 Nick Clifton <nickc@redhat.com>
2541 * config/rx/rx.md (return): Define pattern.
2543 2012-01-11 Richard Guenther <rguenther@suse.de>
2545 * doc/extend.texi (malloc attribute): Adjust according to
2548 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2549 Patrick Marlier <patrick.marlier@gmail.com>
2552 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2553 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2554 (ipa_tm_note_irrevocable): Same.
2555 (ipa_tm_scan_irr_block): Same.
2556 (ipa_tm_decrement_clone_counts): Same.
2557 (ipa_tm_scan_irr_function): Same.
2558 (ipa_tm_create_version_alias): Same.
2559 (ipa_tm_create_version): Same.
2560 (ipa_tm_transform_calls_redirect): Same.
2561 (ipa_tm_transform_calls): Same.
2562 (ipa_tm_transform_transaction): Same.
2563 (ipa_tm_execute): Same.
2565 2012-01-10 Richard Guenther <rguenther@suse.de>
2568 * opts.c (common_handle_option): Handle -Werror.
2570 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2572 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2575 2012-01-10 Jason Merrill <jason@redhat.com>
2577 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2580 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2582 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2583 supports R_386_TLS_GD_PLT reloc.
2584 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2585 supports R_386_TLS_LDM_PLT reloc.
2586 * configure: Regenerate.
2587 * config.in: Regenerate.
2589 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2592 Extend __pgmx semantics to linearize memory.
2593 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2594 determine if code comes inline or from libgcc.
2595 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2596 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2597 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2598 (movmemx_qi, movmemx_hi): New insns.
2599 (xload_<mode>_libgcc): Rewrite to new insn condition.
2600 (xload_<mode>): Remove insns.
2601 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2602 cases that don't satisfy avr_xload_libgcc_p().
2603 (avr_addr_space_convert): Allow converting in any direction.
2604 (avr_addr_space_subset_p): Return always true.
2605 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2606 (avr_emit_movmemhi): Ditto.
2607 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2608 (avr_out_movmem): Ditto.
2609 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2610 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2611 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2612 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2613 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2615 2012-01-10 Richard Guenther <rguenther@suse.de>
2617 PR tree-optimization/50913
2618 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2619 Require data-refs to be representable by Graphite with respect
2622 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2624 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2625 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2627 2012-01-10 Tom de Vries <tom@codesourcery.com>
2629 PR rtl-optimization/51271
2630 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2631 handling annulled branch.
2633 2012-01-10 Richard Henderson <rth@redhat.com>
2635 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2636 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2637 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2638 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2639 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2640 arm_expand_vec_perm_const): New.
2641 * config/arm/arm-protos.h: Update.
2642 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2643 (*neon_vswp<VDQX>): New.
2644 (neon_vcombine<VDX>): Use neon_split_vcombine.
2645 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2646 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2647 (vec_perm<VE>): New.
2649 2012-01-10 Richard Henderson <rth@redhat.com>
2651 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2652 use it if reload_completed.
2653 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2654 arm_output_asm_insn, arm_process_output_memory_barrier,
2655 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2656 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2657 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2658 arm_process_output_sync_insn, arm_output_sync_insn,
2659 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2660 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2661 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2662 (emit_unlikely_jump): New.
2663 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2664 (arm_split_atomic_op): New.
2665 * config/arm/arm-protos.h: Update.
2666 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2667 (struct arm_sync_generator): Remove.
2668 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2669 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2670 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2671 (VUNSPEC_LL, VUNSPEC_SC): New.
2672 (sync_result, sync_memory, sync_required_value, sync_new_value,
2673 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2674 (attr length): Don't use arm_sync_loop_insns.
2675 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2676 (movsfcc, movdfcc): Likewise.
2677 * config/arm/constraints.md (Ua): New.
2678 * config/arm/prediates.md (mem_noofs_operand): New.
2679 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2680 (sync_clobber, sync_t2_reqd): Remove.
2681 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2682 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2683 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2684 (arm_sync_compare_and_swap<SIDI>): Remove.
2685 (arm_sync_compare_and_swap<NARROW>): Remove.
2686 (arm_sync_lock_test_and_set<SIDI>): Remove.
2687 (arm_sync_lock_test_and_set<NARROW>): Remove.
2688 (arm_sync_new_<syncop><SIDI>): Remove.
2689 (arm_sync_new_<syncop><NARROW>): Remove.
2690 (arm_sync_new_nand<SIDI>): Remove.
2691 (arm_sync_new_nand<NARROW>): Remove.
2692 (arm_sync_old_<syncop><SIDI>): Remove.
2693 (arm_sync_old_<syncop><NARROW>): Remove.
2694 (arm_sync_old_nand<SIDI>): Remove.
2695 (arm_sync_old_nand<NARROW>): Remove.
2696 (*memory_barrier): Merge arm_output_memory_barrier.
2697 (atomic_compare_and_swap<QHSD>): New.
2698 (atomic_compare_and_swap<NARROW>_1): New.
2699 (atomic_compare_and_swap<SIDI>_1): New.
2700 (atomic_exchange<QHSD>): New.
2701 (cas_cmp_operand, cas_cmp_str): New.
2702 (atomic_op_operand, atomic_op_str): New.
2703 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2704 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2705 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2706 (arm_load_exclusive<NARROW>): New.
2707 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2708 (arm_store_exclusive<QHSD>): New.
2710 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2712 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2713 reload patterns if -mvsx-scalar-memory.
2715 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2716 generated, even -mno-vsx-scalar-double was used.
2717 (vsx_xscvdpsp_scalar): Likewise.
2718 (vsx_xscvspdp_scalar2): Likewise.
2720 2012-01-09 Tom de Vries <tom@codesourcery.com>
2721 Andrew Pinski <apinski@cavium.com>
2724 * reorg.c (fill_slots_from_thread): Don't speculate
2725 frame-related insns.
2727 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2729 * sched-int.h (bb_note): Move to...
2730 * basic-block.h: ...here.
2731 * haifa-sched.c (bb_note): Move to...
2732 * cfgrtl.c: ...here.
2733 * function.c (next_block_for_reg): New function.
2734 (move_insn_for_shrink_wrap): Likewise.
2735 (prepare_shrink_wrap): Rewrite to use the above.
2737 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2739 * gimple.c (is_gimple_non_addressable): Remove.
2740 * gimple.h: Remove is_gimple_non_addressable.
2741 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2742 is_gimple_non_addressable.
2743 * trans-mem.c (expand_assign_tm): Same.
2745 2012-01-09 Richard Guenther <rguenther@suse.de>
2747 PR tree-optimization/51775
2748 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2749 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2751 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2753 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2755 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2757 2012-01-09 Richard Guenther <rguenther@suse.de>
2759 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2761 2012-01-08 Jan Hubicka <jh@suse.cz>
2763 PR tree-optimize/51680
2764 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2765 on when known_vals needs to be computed; cleanup.
2767 2012-01-08 Jan Hubicka <jh@suse.cz>
2769 PR tree-optimize/51694
2770 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2772 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2774 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2775 for -std=c++98 and -std=c++11 too.
2777 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2779 * cfgloop.c (cancel_loop): Add free() of bbs array.
2781 2012-01-07 Jan Hubicka <jh@suse.cz>
2783 PR tree-optimization/51600
2784 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2785 that benefits small functions.
2787 2012-01-07 Jan Hubicka <jh@suse.cz>
2789 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2791 2012-01-07 Jan Hubicka <jh@suse.cz>
2793 PR tree-optimization/51680
2794 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2795 whose inlining reduce unit size.
2797 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2800 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2801 Add canonical node to containing_mem chain after the non-canonical
2802 one, even if there weren't any locs to propagate.
2803 (remove_useless_values): Keep only canonical values.
2804 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2805 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2806 canonicalize mem_chain elements that are not discarded.
2808 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2811 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2812 before emitting functions.
2814 PR gcov-profile/50127
2815 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2816 clear_aux_for_blocks.
2818 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2821 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2823 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2825 * c-decl.c (ext_block): Moved up.
2826 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2828 2012-01-06 Han Shen <shenhan@google.com>
2830 Translate built-in include paths for sysroot.
2831 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2832 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2834 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2835 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2837 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2838 control whether sysroot should be prepended to gxx include dir.
2840 * configure: Regenerate.
2842 2012-01-06 Torvald Riegel <triegel@redhat.com>
2844 PR rtl-optimization/51771
2845 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2846 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2848 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2850 PR tree-optimization/51315
2851 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2852 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2854 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2857 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2858 for shrp pattern. Correctly handle and fixup shift variable.
2859 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2861 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2864 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2865 note when !ACCUMULATE_OUTGOING_ARGS.
2867 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2869 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2871 (extract_range_from_unary_expr_1): Avoid useless computations.
2873 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2875 PR rtl-optimization/51767
2876 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2877 of jump_block and add an extra edge for degenerated asm gotos.
2880 * stmt.c (check_unique_operand_names): Don't ICE during error
2881 reporting if i is from labels chain.
2884 * profile.c (branch_prob): Split bbs that have exit edge
2885 and need a fake entry edge too.
2887 2012-01-05 Jan Hubicka <jh@suse.cz>
2890 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2893 2012-01-05 Richard Guenther <rguenther@suse.de>
2896 * tree-streamer-out.c (write_ts_optimization): New function.
2897 (streamer_write_tree_body): Call it.
2898 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2899 (streamer_read_tree_body): Call it.
2900 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2902 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2905 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2906 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2907 in_cleanup_point_expr before gimplify_stmt call and restore it
2909 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2910 in_cleanup_point_expr is false.
2912 2012-01-05 Richard Guenther <rguenther@suse.de>
2915 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2917 * toplev.c (process_options): Reject combining mudflap and LTO.
2918 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2920 2012-01-05 Richard Guenther <rguenther@suse.de>
2922 PR tree-optimization/51760
2923 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2925 (bit_value_unop): Handle UNDEFINED operands.
2926 (bit_value_binop): Likewise.
2928 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2930 * config/avr/avr.c (avr_replace_prefix): Remove.
2931 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2932 (avr_asm_function_rodata_section): Ditto.
2933 (avr_asm_select_section): Ditto.
2935 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2937 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2940 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2943 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2944 calls that have any non-fake successor edges.
2947 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2949 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2951 PR tree-optimization/51624
2952 * tree-sra.c (build_ref_for_model): When replicating a chain of
2953 COMPONENT_REFs, stop as soon as the offset would become negative.
2955 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2958 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2959 in .debug_loc on the floor.
2961 2012-01-04 Andrew Pinski <apinski@cavium.com>
2963 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2965 2012-01-04 Andrew Pinski <apinski@cavium.com>
2966 Adam Nemet <anemet@caviumnetworks.com>
2968 * config/mips/mips.md (size): Add SI and DI.
2969 (SIZE): New mode attribute.
2970 (U): New code attribute.
2971 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2972 (mips_lbux_<mode>): Delete.
2973 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2974 (mips_lhx): Use gen_mips_lhx_extsi.
2975 (mips_lhx_<mode>): Delete.
2977 (mips_l<size>x): New expand.
2978 (mips_lwx_<mode>): Delete.
2979 (mips_l<GPR:size>x_<P:mode>): New pattern.
2980 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2981 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2982 * config/mips/mips.c (mips_lx_address_p): New function.
2983 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2984 (dsp64): New availability predicate.
2985 (mips_builtins): Add an entry for __builtin_mips_ldx.
2986 * config/mips/mips.h (ISA_HAS_LBX): New define.
2987 (ISA_HAS_LBUX): Likewise.
2988 (ISA_HAS_LHX): Likewise.
2989 (ISA_HAS_LHUX): Likewise.
2990 (ISA_HAS_LWX): Likewise.
2991 (ISA_HAS_LWUX): Likewise.
2992 (ISA_HAS_LDX): Likewise.
2993 * doc/extend.texi (__builtin_mips_ldx): Document.
2995 2012-01-04 Tristan Gingold <gingold@adacore.com>
2997 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2998 when long pointers are used.
2999 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3000 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3001 (ia64-hp-*vms*): Remove.
3002 * config/vms/xm-vms64.h: Delete.
3004 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3007 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3009 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3011 * opts.c (finish_options): Remove duplicate sorry.
3013 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3016 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3019 2012-01-04 Richard Guenther <rguenther@suse.de>
3022 * tree.c (size_low_cst): New function.
3023 * tree.h (size_low_cst): Declare.
3024 * fold-const.c (fold_comparison): Use it to extract the low
3025 part of the POINTER_PLUS_EXPR offset.
3027 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3029 Fix clearing ZERO_REG
3030 * config/avr/avr.md (cc): Add alternative "ldi".
3031 (movqi_insn): Use it in cc attribute.
3032 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3033 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3034 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3036 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3038 * configure: Regenerate.
3040 2012-01-04 Richard Guenther <rguenther@suse.de>
3042 PR tree-optimization/49651
3043 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3044 (var_can_have_subvars): Use it.
3045 (get_constraint_for_1): Only consider subfields if there can be any.
3047 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3050 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3051 to its new canonical_cselib_val and the cselib_val was in
3052 first_containing_mem chain, but the canonical_cselib_val was not,
3053 add the latter into the chain.
3054 (cselib_invalidate_mem): Compare canonical_cselib_val of
3055 addr_list chain elt with v.
3058 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3059 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3061 (output_macinfo_op): Don't ggc_strdup fd->filename.
3062 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3063 then ggc_strdup it. Don't free inc->info or cur->info.
3064 (output_macinfo): Don't free ref->info or file->info.
3066 2012-01-03 Ira Rosen <irar@il.ibm.com>
3068 PR tree-optimization/51269
3069 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3070 first_niters a pointer.
3071 (slpeel_tree_peel_loop_to_edge): Likewise.
3072 (vect_do_peeling_for_loop_bound): Update call to
3073 slpeel_tree_peel_loop_to_edge.
3074 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3075 here. Remove it from the parameters list.
3076 (vect_do_peeling_for_alignment): Update calls and compute
3079 2012-01-03 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/51070
3082 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3083 Properly handle calls.
3085 2012-01-03 Richard Guenther <rguenther@suse.de>
3087 PR tree-optimization/51692
3088 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3089 the LHS of allocation stmts.
3091 2012-01-03 Olivier Hainque <hainque@adacore.com>
3093 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3095 2012-01-03 Olivier Hainque <hainque@adacore.com>
3097 * collect2.c (main): In AIX specific computations for vector
3098 insertions, use CONST_CAST2 to cast from char ** to const char **.
3100 2012-01-03 Richard Guenther <rguenther@suse.de>
3103 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3104 the context of a limbo DIE when it does not already exist.
3106 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3108 PR tree-optimization/51719
3109 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3110 but direct call is, clear direct call's lhs and don't add fallthrough
3111 edge from dcall_bb to join_bb and PHIs.
3113 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3115 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3116 the instructions emitted by the pattern.
3117 ("*TDC_insn_<mode>"): Add comment.
3119 2012-01-03 Richard Guenther <rguenther@suse.de>
3122 * fold-const.c (fold_comparison): Properly canonicalize
3123 tree offset and HOST_WIDE_INT bit position.
3125 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3127 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3128 operands for extzv pattern.
3130 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3133 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3136 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3138 * doc/invoke.texi (-flto and related options): Copy-edit.
3140 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3142 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3144 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3146 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3149 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3151 * expr.h (move_by_pieces_ninsns): Declare.
3152 * expr.c (move_by_pieces_ninsns): Make external.
3153 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3154 (mips_store_by_pieces_p): Likewise.
3155 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3156 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3157 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3158 (mips_store_by_pieces_p): Likewise.
3160 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3162 * passes.c (register_one_dump_file): Free full_name.
3164 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3165 (calculate_elim_costs_all_insns): Free offsets_at and
3166 offsets_known_at at the end and clear the pointers.
3168 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3170 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3171 this option introduced in r180739.
3173 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3176 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3177 (tmake_file target=avr): Add avr/t-multilib.
3179 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3180 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3181 * config/avr/genmultilib.awk: New file.
3182 * config/avr/t-multilib: New auto-generated file.
3183 * config/avr/multilib.h: New auto-generated file.
3184 * config/avr/t-avr (AVR_MCUS): New variable.
3185 (genopt.sh): Use it.
3186 (s-mlib): Depend on t-multilib.
3187 (t-multilib, multilib.h): New dependencies.
3188 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3189 (MULTILIB_OPTIONS): Remove.
3190 (MULTILIB_MATCHES): Remove.
3191 (MULTILIB_DIRNAMES): Remove.
3192 (MULTILIB_EXCEPTIONS): Remove:
3193 * config/avr/genopt.sh: Don't use hard coded file name;
3194 pass AVR_MCUS from t-avr instead.
3196 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3198 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3200 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3202 Implement light-weight DImode support.
3203 * config/avr/avr-dimode.md: New file.
3204 * config/avr/avr.md: Include it.
3205 (adjust_len): Add plus64, compare64.
3206 (HIDI): Remove code iterator.
3207 (code_stdname): New code attribute.
3208 (rotx, rotsmode): Remove DI.
3209 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3211 * config/avr/avr-protos.h (avr_have_dimode): New.
3212 (avr_out_plus64, avr_out_compare64): New.
3213 * config/avr/avr.c (avr_out_compare): Handle DImode.
3214 (avr_have_dimode): New variable definition and initialization.
3215 (avr_out_compare64, avr_out_plus64): New functions.
3216 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3217 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3218 (avr_compare_pattern): Skip DImode comparisons.
3220 2012-01-02 Revital Eres <revital.eres@linaro.org>
3222 * ddg.c (def_has_ccmode_p): New function.
3223 (add_cross_iteration_register_deps,
3224 create_ddg_dep_from_intra_loop_link): Call it.
3226 2012-01-02 Richard Guenther <rguenther@suse.de>
3229 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3231 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3233 * gcc.c (process_command): Update copyright notice dates.
3234 * gcov.c (print_version): Likewise.
3235 * gcov-dump.c (print_version): Likewise.
3236 * mips-tfile.c (main): Likewise.
3237 * mips-tdump.c (main): Likewise.
3239 2012-01-01 Ira Rosen <irar@il.ibm.com>
3241 PR tree-optimization/51704
3242 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3243 a use is inside the basic block or loop before accessing its vect info.
3245 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3247 PR rtl-optimization/51069
3248 * cfgloopmanip.c (remove_path): Removing path making irreducible
3249 region unconditional makes BB part of the region.
3251 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3253 PR tree-optimization/51683
3254 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3255 calls with side-effects.
3256 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3258 Copyright (C) 2012 Free Software Foundation, Inc.
3260 Copying and distribution of this file, with or without modification,
3261 are permitted in any medium without royalty provided the copyright
3262 notice and this notice are preserved.