1 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3 PR tree-optimization/53207
4 * doc/invoke.texi: Document as experimental and relying on graphite.
6 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
8 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
9 of initializer to changes from r184614.
11 2012-02-28 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/52395
14 * tree-sra.c (build_ref_for_offset): Also look at the base
15 TYPE_ALIGN when figuring out the alignment of the replacement.
17 2012-02-28 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/52402
20 * ipa-prop.c (ipa_modify_call_arguments): Properly use
21 mis-aligned types when creating the accesses at the call site.
23 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
25 * config/avr/builtins.def: New file.
26 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
27 * config/avr/avr.c (enum avr_builtin_id): Use it.
28 (avr_init_builtins): Use it. And use avr_bdesc.
32 (struct avr_builtin_description): Add field n_args.
33 (avr_bdesc): New static variable using builtins.def.
34 (avr_expand_builtin): Use it.
35 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
36 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
37 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
39 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
42 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
43 match only one single hard register with respective hard reg rtx.
44 (movmemx_<mode>): Ditto.
45 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
46 insn anatomy of movmem[x]_<mode>.
47 (avr_out_movmem): Same for printing assembler and operand usage.
49 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
53 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
54 address spaces located outside of device flash.
56 * config/avr/avr.h (base_arch_s): Remove field n_segments.
57 (mcu_type_s): Add field n_flash.
58 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
59 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
60 (AVR_MCU): Add N_FLASH argument.
61 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
62 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
63 macro __FLASH<n> if that address space makes sense for the device.
64 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
65 outside of target flash.
66 (avr_asm_named_section): Ditto.
67 (avr_asm_select_section): Ditto.
68 (avr_addr_space_convert): Ditto.
69 (avr_emit_movmemhi): Ditto.
70 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
71 address space is outside of device flash.
72 (avr_insert_attributes): Ditto.
73 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
74 avr_current_arch->n_segments.
76 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
79 * config/i386/i386.md (*movabs<mode>_1): Enable only for
81 (*movabs<mode>_2): Likewise.
83 2012-02-27 Jakub Jelinek <jakub@redhat.com>
86 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
87 s_register_operand in the test instead of REG_P. Don't call
88 gen_reg_rtx if it won't be used.
90 PR tree-optimization/52376
91 * ipa-split.c (split_function): Ignore CLOBBER stmts.
93 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
95 * ifcvt.c (noce_get_condition): Check condition variable is not
96 small_register_classes_for_mode_p before accepting.
98 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
100 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
102 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
105 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
106 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
108 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
110 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
112 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
114 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
116 * config/sh/predicates.md: Remove blank lines.
117 * config/sh/sh.c: Fix typos in comments.
118 * config/sh/constraints.md: Likewise.
119 * config/sh/sh.md: Remove blank lines.
120 Fix typos in comments. Use ;; as comment characters.
122 2012-02-26 Walter Lee <walt@tilera.com>
124 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
125 (replace_mov_pcrel_step2): Ditto.
127 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
130 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
131 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
132 and locs that reference values newer than the non-canonical value
133 at hand. Return the canonical value as a worst case.
134 (memrefs_conflict_p): Walk canonical value's locs.
137 * cselib.c (preserve_only_constants): Rename to...
138 (preserve_constants_and_equivs): ... this. Split out...
139 (invariant_or_equiv_p): ... this. Preserve plus expressions
140 of other preserved expressions too.
141 (cselib_reset_table): Adjust.
142 * var-tracking.c (reverse_op): Use canonical value to build
145 2012-02-23 Kai Tietz <ktietz@redhat.com>
147 * config/i386/i386.c (ix86_delegitimize_address): Handle
148 UNSPEC_PCREL plus displacement.
150 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
153 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
154 to test for unusedness in st X addressing.
156 2012-02-24 Richard Guenther <rguenther@suse.de>
159 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
160 (is_gimple_reg_type): Move inline ...
161 * gimple.h (is_gimple_reg_type): ... here.
163 2012-02-24 Richard Guenther <rguenther@suse.de>
166 * passes.c (execute_function_todo): When verifying SSA form
167 verify gimple form first.
168 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
170 2012-02-24 Richard Guenther <rguenther@suse.de>
173 * fold-const.c (fold_addr_of_array_ref_difference): New function.
174 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
176 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
178 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
180 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
182 * tree-phinodes.c (make_phi_node): Mark static.
183 * tree-flow.h (make_phi_node): Remove extern decl.
184 * doc/gimple.texi (make_phi_node): Remove documentation.
186 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
188 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
189 * tree-ssa-sccvn.c (print_scc): Ditto.
191 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
193 * doc/passes.texi (Full redundancy elimination): Fix typo.
195 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
197 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
199 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
202 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
204 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
207 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
209 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
211 * config/avr/avr.md (code_stdname): Add ior, xor.
212 (xior): New code iterator.
213 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
214 (*<code_stdname><mode>qi.byte1-3): Ditto.
216 2012-02-23 Jakub Jelinek <jakub@redhat.com>
218 PR tree-optimization/52019
219 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
222 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
224 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
225 HAVE_INITFINI_ARRAY to work around namespace pollution in
226 certain versions of newlib system headers.
227 * config.in: Regenerate.
228 * configure: Regenerate.
229 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
230 instead of HAVE_INITFINI_ARRAY.
232 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
235 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
236 is not offsettable memory reference.
238 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
241 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
242 setting avr_need_clear_bss_p for __gnu_lto* symbols.
244 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
246 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
247 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
249 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
251 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
252 library on Solaris 8 even without TLS support.
253 * configure: Regenerate.
255 2012-02-22 Richard Guenther <rguenther@suse.de>
258 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
259 for GIMPLE_DEBUG stmts.
261 2012-02-22 Martin Jambor <mjambor@suse.cz>
264 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
265 according to the base object.
267 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
269 PR rtl-optimization/50063
270 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
271 and 2 (8-bit SP) in operand 2.
272 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
273 setup to use movhi_sp_r instead of vanilla move to write SP.
274 Adjust REG_CFA notes to superseed unspec.
275 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
277 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
278 known to be off) only with TARGET_NO_INTERRUPTS. Never use
279 irq_state 1 (IRQ known to be on) here.
281 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
283 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
285 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
286 assign_hard_reg): Likewise.
288 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
290 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
292 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
295 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
296 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
298 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
300 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
301 prototype from here to...
302 * config/avr/avr.h: ...here.
304 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
307 * thumb2.md (thumb2_shiftsi3_short): Split register and
308 immediate shifts. For register shifts tie operands 0 and 1.
309 (peephole2 for above): Check that register-controlled shifts
310 have suitably tied operands.
312 2012-02-21 Quentin Neill <quentin.neill@amd.com>
315 * config/i386/bdver1.md (bdver1_call, bdver1_push,
316 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
317 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
318 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
319 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
320 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
321 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
322 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
323 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
324 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
325 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
326 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
327 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
328 bdver1_ssevector_avx256_unaligned_load,
329 bdver1_ssevector_sse128_unaligned_load,
330 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
331 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
332 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
333 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
334 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
335 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
336 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
337 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
338 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
339 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
340 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
341 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
342 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
343 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
344 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
345 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
346 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
347 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
348 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
349 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
350 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
351 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
352 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
353 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
354 bdver1_ssediv_double_load, bdver1_ssediv_double,
355 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
356 Add "bdver2" attribute.
358 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
360 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
361 default if possible and not specified otherwise.
363 2012-02-21 Richard Guenther <rguenther@suse.de>
366 * gimplify.c (create_tmp_from_val): Use the main variant type
367 for the type of the temporary we create.
369 2012-02-21 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/52324
372 * gimplify.c (gimplify_expr): When re-gimplifying expressions
373 do not gimplify a MEM_REF address operand if it is already
376 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
378 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
379 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
381 2012-02-21 Richard Guenther <rguenther@suse.de>
383 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
386 2012-02-21 Jakub Jelinek <jakub@redhat.com>
388 PR tree-optimization/52318
389 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
390 vdef also to non-pure/const call stmts in the sequence.
392 2012-02-20 David S. Miller <davem@davemloft.net>
394 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
395 don't use the "rd %pc" instruction on v9 for PIC register loads.
397 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
400 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
401 in a transaction safe function.
403 2012-02-20 Kai Tietz <ktietz@redhat.com>
406 * stor-layout.c (place_field): Handle desired_align for
409 2012-02-20 Richard Guenther <rguenther@suse.de>
411 PR tree-optimization/52298
412 * tree-vect-stmts.c (vectorizable_store): Properly use
413 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
415 (vectorizable_load): Likewise.
416 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
417 Access DR_STEP after ensuring it is not NULL.
419 2012-02-20 Jakub Jelinek <jakub@redhat.com>
421 PR tree-optimization/52286
422 * fold-const.c (fold_binary_loc): For (X & C1) | C2
423 optimization use double_int_to_tree instead of build_int_cst_wide,
424 rewrite to use double_int vars.
426 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
429 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
431 Remove -e 0 from $gcc_cv_ld invocation.
432 Only use __GLIBC_PREREQ if defined.
433 Enable on Solaris since Solaris 8 patch.
434 (gcc_SUN_LD_VERSION): New macro.
435 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
436 gcc_SUN_LD_VERSION for version number format.
437 * configure: Regenerate.
438 * varasm.c (get_elf_initfini_array_priority_section): Set
439 SECTION_NOTYPE for non-default priority.
440 Use get_section instead of get_unnamed_section to emit
441 .init_array/.fini_array with default priority.
443 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
445 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
446 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
447 (mips_start_unique_function, mips_output_mips16_rdhwr)
448 (mips_code_end): New functions.
449 (TARGET_ASM_CODE_END): Define.
451 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
453 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
454 to stubs with non-sibling calls.
456 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
458 * doc/invoke.texi (-fira-* options): Copy-edit.
459 (ira-* parameters): Copy-edit.
461 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
463 * doc/invoke.texi: Minor copy-edits to bring into conformance with
464 GCC coding conventions.
466 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
468 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
469 when used as adjectives.
471 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
473 * doc/invoke.texi: Clean up "that"/"which" confusion.
475 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
477 * system.h: Poison SMALL_REGISTER_CLASSES
478 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
479 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
481 2012-02-16 Jakub Jelinek <jakub@redhat.com>
483 PR tree-optimization/52285
484 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
485 when deciding if a call is a tail call or tail recursion.
487 2012-02-16 Kai Tietz <ktietz@redhat.com>
489 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
490 interger-constant displacement for UNSPEC_PCREL.
492 2012-02-16 Jakub Jelinek <jakub@redhat.com>
494 PR rtl-optimization/52208
495 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
496 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
498 PR tree-optimization/52255
499 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
500 loop->header has virtual PHI, but exit_e->dest doesn't, add
501 virtual PHI to exit_e->dest and adjust all uses after the loop.
504 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
505 children with clone_tree_hash, not after it.
507 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
509 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
510 extended identifiers.
512 2012-02-16 Jakub Jelinek <jakub@redhat.com>
515 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
516 a same_body_alias, also test whether e->callee isn't a former
517 or current clone of the decl this is a same body alias of.
520 * cgraphunit.c (verify_cgraph_node): Fix a typo.
522 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
524 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
526 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
529 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
530 force_reg instead of copy_to_reg for better optimization. Force
531 non-register or memory operands into a register.
533 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
535 * extend.texi: Reserve upper bits of memory model for future use.
537 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
538 Anatoly Sokolov <aesok@post.ru>
539 Eric Weddington <eric.weddington@atmel.com>
542 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
543 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
544 Rewrite initializers for .macro.
545 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
546 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
547 atxmega32d4, atxmega32x1.
548 avrxmega4: atxmega64a3, atxmega64d3.
549 avrxmega5: atxmega64a1, atxmega64a1u.
550 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
551 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
552 avrxmega7: atxmega128a1, atxmega128a1u.
553 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
554 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
555 (struct base_arch_s): Rename reserved to xmega_p.
556 Rename reserved2 to have_rampd.
557 (AVR_XMEGA): New define.
558 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
559 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
560 * config/avr/predicates.md (io_address_operand): Take into
562 (low_io_address_operand): Ditto.
563 (high_io_address_operand): Ditto.
564 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
565 (enabled, movhi_sp_r): Use them.
566 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
567 cpp_define_formatted to built-in define __AVR_ARCH__.
568 (__AVR_XMEGA__): New built-in define.
569 (__AVR_HAVE_RAMPD__): New built-in define.
570 (__AVR_HAVE_RAMPX__): New built-in define.
571 (__AVR_HAVE_RAMPY__): New built-in define.
572 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
574 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
575 (avr_option_override): Initialize them.
576 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
577 (avr_init_expanders): Initialize them. No more block several calls.
578 (emit_push_sfr): New static function.
579 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
581 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
582 (avr_print_operand): Print addreeses as symbols for
583 RAMPX, RAMPY, RAMPD, CCP.
584 (output_movhi): Handle AVR_XMEGA when writing to SP.
585 (avr_out_movhi_mr_r_xmega): New static function.
586 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
587 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
588 __RAMPD__, __CCP__ as needed.
590 * config/avr/multilib.h: Regenerate.
591 * config/avr/t-multilib: Regenerate.
592 * config/avr/avr-tables.opt: Regenerate.
594 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
596 PR tree-optimization/50561
597 * graphite-flattening.c (lst_project_loop): Do not
598 remove old scattering dimensions after flattening.
599 (lst_do_flatten): Likewise.
601 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
603 * doc/extend.texi (AVR Built-in Functions): Remove doc for
604 __builtin_avr_map8, __builtin_avr_map16.
605 Document __builtin_avr_insert_bits.
607 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
608 (insert_bits): New insn.
609 (adjust_len.map_bits): Rename to insert_bits.
610 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
611 * avr-protos.h (avr_out_map_bits): Remove.
612 (avr_out_insert_bits, avr_has_nibble_0xf): New.
613 * config/avr/constraints.md (Cxf,C0f): New.
614 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
615 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
616 New built-in define __BUILTIN_AVR_INSERT_BITS.
617 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
618 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
619 (avr_move_bits): Rewrite.
620 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
622 (avr_map_op_t): New typedef.
623 (avr_map_op): New static variable.
624 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
625 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
626 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
627 (bdesc_3arg, avr_expand_triop_builtin): New.
628 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
629 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
630 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
631 (avr_map_equal_p, avr_map_sig_p): Remove.
632 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
633 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
634 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
635 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
636 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
637 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
639 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
641 * config/c6x/c6x.md (reserve_cycles): New attribute.
642 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
643 don't reserve functional units after the branch occurs.
645 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
648 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
649 functions into non-tm_pure functions.
651 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
654 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
655 (iterative_hash_canonical_type): Likewise.
656 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
659 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
661 * haifa-sched.c (prune_ready_list): Ensure that if there is a
662 sched-group insn, it either remains alone or the entire list is pruned.
664 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
666 * doc/install.texi (Prerequisites): Fix grammar.
667 (Configuration): Likewise.
669 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
671 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
672 MPC as part of GCC before describing configuring with --with-gmp etc.
673 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
676 2012-02-14 Jakub Jelinek <jakub@redhat.com>
679 * dwarf2out.c (clone_tree_hash): New function.
680 (copy_decls_walk): Use it instead of clone_tree.
682 2012-02-14 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/52244
685 PR tree-optimization/51528
686 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
687 replacements for integral types.
689 2012-02-14 Walter Lee <walt@tilera.com>
691 * config.gcc: Handle tilegx and tilepro.
692 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
694 Add HAVE_AS_TLS check for tilegx and tilepro.
695 * configure: Regenerate.
696 * doc/contrib.texi: Add Mat Hostetter and self.
697 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
698 Document instruction intrinsics and network accessing intrinsics.
699 (TILEPro Built-in Functions): New node. Document instruction
700 intrinsics and network accessing intrinsics.
701 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
702 (Specific, tilepro-*-linux*): Likewise.
703 * doc/invoke.texi (TILE-Gx Options): New section.
704 (TILEPro Options): New section.
705 * doc/md.texi (TILE-Gx): New section.
706 (TILEPro): New section.
707 * common/config/tilegx/tilegx-common.c: New file.
708 * common/config/tilepro/tilepro-common.c: New file.
709 * config/tilegx/constraints.md: New file.
710 * config/tilegx/linux.h: New file.
711 * config/tilegx/mul-tables.c: New file.
712 * config/tilegx/predicates.md: New file.
713 * config/tilegx/sync.md: New file.
714 * config/tilegx/t-tilegx: New file.
715 * config/tilegx/tilegx-builtins.h: New file.
716 * config/tilegx/tilegx-c.c: New file.
717 * config/tilegx/tilegx-generic.md: New file.
718 * config/tilegx/tilegx-modes.def: New file.
719 * config/tilegx/tilegx-multiply.h: New file.
720 * config/tilegx/tilegx-protos.h: New file.
721 * config/tilegx/tilegx.c: New file.
722 * config/tilegx/tilegx.h: New file.
723 * config/tilegx/tilegx.md: New file.
724 * config/tilegx/tilegx.opt: New file.
725 * config/tilepro/constraints.md: New file.
726 * config/tilepro/gen-mul-tables.cc: New file.
727 * config/tilepro/linux.h: New file.
728 * config/tilepro/mul-tables.c: New file.
729 * config/tilepro/predicates.md: New file.
730 * config/tilepro/t-tilepro: New file.
731 * config/tilepro/tilepro-builtins.h: New file.
732 * config/tilepro/tilepro-c.c: New file.
733 * config/tilepro/tilepro-generic.md: New file.
734 * config/tilepro/tilepro-modes.def: New file.
735 * config/tilepro/tilepro-multiply.h: New file.
736 * config/tilepro/tilepro-protos.h: New file.
737 * config/tilepro/tilepro.c: New file.
738 * config/tilepro/tilepro.h: New file.
739 * config/tilepro/tilepro.md: New file.
740 * config/tilepro/tilepro.opt: New file.
742 2012-02-14 Jakub Jelinek <jakub@redhat.com>
744 PR tree-optimization/52210
745 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
746 vect_model_simple_cost with two entry vect_def_type array instead
749 2012-02-14 Richard Guenther <rguenther@suse.de>
752 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
753 Do not stream DECL_QUALIFIER.
754 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
755 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
756 (find_decls_types_r): Do not walk DECL_QUALIFIER.
758 2012-02-14 Jakub Jelinek <jakub@redhat.com>
761 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
764 2012-02-13 Jakub Jelinek <jakub@redhat.com>
767 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
768 * cselib.c (cselib_subst_to_values_from_insn): New function.
769 * sched-deps.c (add_insn_mem_dependence,
770 sched_analyze_1, sched_analyze_2): Use it.
772 2012-02-13 Jan Hubicka <jh@suse.cz>
775 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
777 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
779 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
780 (GTM_SELF_SPECS): Define if not already defined.
781 (driver_self_specs): Add GTM_SELF_SPECS.
782 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
783 (GTM_SELF_SPECS): Define.
784 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
785 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
787 2012-02-13 Jakub Jelinek <jakub@redhat.com>
789 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
792 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
795 * omp-low.c (expand_omp_for): If a static schedule without chunk size
796 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
798 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
801 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
803 2012-02-13 Richard Guenther <rguenther@suse.de>
806 * passes.c (enable_disable_pass): Fix typo.
808 2012-02-13 Jakub Jelinek <jakub@redhat.com>
811 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
812 XOR for reduce_bit_field if type is unsigned.
814 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
816 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
817 disallow changes from SFmode to mode with different size in FP regs.
819 2012-02-12 Robert Millan <rmh@gnu.org>
820 Gerald Pfeifer <gerald@pfeifer.com>
822 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
825 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
827 PR rtl-optimization/52175
828 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
829 to frame-related instructions.
831 2012-02-10 Jason Merrill <jason@redhat.com>
834 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
835 (demangle_new_symbols): Fill it.
836 (scan_linker_output): Walk it.
837 (start_tweaking): Split out from scan_linker_output.
838 (maybe_tweak): Update sym->chosen.
839 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
841 2012-02-11 Jakub Jelinek <jakub@redhat.com>
844 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
846 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
848 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
849 having the same mode as previous compare.
851 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
853 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
854 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
855 (nonlocal_goto_internal): Likewise.
856 (nonlocal_goto): Emit a use and an indirect jump directly.
858 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
861 * doc/extend.texi : Update comments for __atomic_compare_exchange and
862 __atomic_{is,always}_lock_free.
864 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
867 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
868 negative constant address for x32.
870 2012-02-10 Richard Henderson <rth@redhat.com>
872 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
873 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
874 for GIMPLE_TRANSACTION. Tidy if's into a switch.
876 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
877 Ira Rosen <irar@il.ibm.com>
879 PR tree-optimization/50031
880 * targhooks.c (default_builtin_vectorization_cost): Handle
882 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
883 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
884 all types of reduction and pattern statements.
885 (vect_estimate_min_profitable_iters): Likewise.
886 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
887 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
888 for explicit realigns.
889 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
890 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
892 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
893 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
894 vec_perm for VSX and handle vec_promote_demote.
896 2012-02-10 Jakub Jelinek <jakub@redhat.com>
899 * builtins.c (fold_builtin_atomic_always_lock_free,
900 expand_builtin_atomic_always_lock_free,
901 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
902 Return and/or test boolean_true_node/boolean_false_node instead of
903 integer_one_node/integer_zero_node.
905 2012-02-10 Jan Hubicka <jh@suse.cz>
908 * predict.c (predict_paths_for_bb): Prevent looping.
909 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
911 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
913 * config/arm/arm.c (output_move_double): In one case properly
914 count number of instructions that will be emitted.
916 2012-02-10 Richard Guenther <rguenther@suse.de>
919 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
921 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
924 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
926 2012-02-09 Jakub Jelinek <jakub@redhat.com>
929 * var-tracking.c (emit_note_insn_var_location): If
930 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
931 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
932 non-NOTE_DURING_CALL_P insn.
934 2012-02-09 Bin Cheng <bin.cheng@arm.com>
937 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
939 2012-02-08 Magnus Granberg <zorry@gentoo.org>
942 * gcc.c (switch_matches) Support switches with separated form,
945 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
947 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
950 * config/avr/avr.c (avr_addr_t): New typedef.
951 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
952 (avr_init_expanders): Initialize it.
953 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
955 (expand_epilogue): Ditto.
956 (avr_print_operand): Ditto.
957 (avr_file_start): Ditto.
958 (avr_emit_movmemhi): Ditto.
960 2012-02-08 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/46886
963 * tree-flow.h (do_while_loop_p): Declare.
964 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
965 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
967 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
969 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
970 always succeed for integers larger than a native word.
972 2012-02-08 Richard Guenther <rguenther@suse.de>
974 PR rtl-optimization/52170
975 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
976 properly handle integer vector modes.
978 2012-02-08 Jakub Jelinek <jakub@redhat.com>
980 PR gcov-profile/52150
981 * coverage.c: Include target.h.
982 (build_var): Call targetm.strip_name_encoding on the assembler name.
983 Change one _ into . or $ if the target allows it.
984 * Makefile.in (coverage.o): Depend on $(TARGET_H).
986 PR rtl-optimization/52139
987 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
988 is a BARRIER after emit_insn_after_noloc, move BB_END
989 to the last non-BARRIER insn before it.
991 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
994 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
995 (mips_gimplify_va_arg_expr): Call it instead of
996 std_gimplify_va_arg_expr.
998 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1000 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1001 message for -mno-pointers-to-nested-function.
1003 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1006 * expr.c (get_inner_reference): If there is an offset, add a negative
1007 bit position to it (if any).
1009 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1011 PR rtl-optimization/52060
1012 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1013 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1014 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1015 and/or i0src_copy2 when needed.
1017 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1019 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1020 or LTOPLUGINSONAME if have_c.
1022 * config/freebsd-spec.h: Add comment about what macros can be defined
1024 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1025 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1028 2012-02-07 Richard Guenther <rguenther@suse.de>
1030 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1031 newline in -alias dumps.
1033 2012-02-07 Kai Tietz <ktietz@redhat.com>
1034 Dave Korn <dave.korn.cygwin@gmail.com>
1037 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1038 Take care that typinfo gets dllexport-attribute.
1040 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1043 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1044 if modifier < EXPAND_SUM call force_operand on the result.
1046 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1048 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1049 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1051 (epiphany_function_type): Replace types for specific interrupts with
1052 EPIPHANY_FUNCTION_INTERRUPT.
1053 (EPIPHANY_INTERRUPT_P): Update.
1054 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1055 New static function.
1056 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1057 <disinterrupt>: Affects type identity.
1058 (epiphany_handle_interrupt_attribute): Handle variable number of
1060 (epiphany_compute_function_type): Update for new
1061 epiphany_function_type definition.
1062 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1063 handlers with a longcall forwarder.
1064 (epiphany_start_function): Handle multiple interrupt arguments and/or
1065 forwarder_section attribute.
1067 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1070 2012-02-07 Alan Modra <amodra@gmail.com>
1073 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1076 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1078 PR tree-optimization/50969
1079 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1080 use vec_perm rather than vector_stmt.
1081 (vect_model_load_cost): Likewise.
1082 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1083 vec_perm to be the same as other vector statements.
1084 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1085 cost of vec_perm for TARGET_VSX.
1087 2012-02-06 Richard Guenther <rguenther@suse.de>
1089 PR tree-optimization/52115
1090 * tree-sra.c (access_has_replacements_p): New function.
1091 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1093 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1096 * trans-mem.c (expand_call_tm): Add an assertion.
1097 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1100 2012-02-06 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/50955
1103 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1104 raise cost of expressions that replace an address with an
1105 expression based on a different pointer.
1107 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1110 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1111 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1113 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1116 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1117 -Weffc++ and specify guidelines come from second edition.
1119 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1121 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1122 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1123 (call_direct_split, call_value_split, call_value_internal_direct)
1124 (call_value_direct_split, call_value_multiple_split): Use jal and
1125 jal_macro attributes.
1127 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1129 * reload1.c (reload_regs_reach_end_p): Replace with...
1130 (reload_reg_rtx_reaches_end_p): ...this function.
1131 (new_spill_reg_store): Update commentary.
1132 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1133 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1134 before setting new_spill_reg_store.
1135 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1136 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1137 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1138 for non-spill reload registers.
1140 2012-02-05 Ira Rosen <irar@il.ibm.com>
1142 PR tree-optimization/52091
1143 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1144 (vect_is_simple_use_1): Likewise.
1145 * tree-vect-loop.c (vectorizable_reduction): Update calls
1146 to vect_is_simple_use_1 and vect_is_simple_use.
1147 (vectorizable_live_operation): Likewise.
1148 * tree-vect-patterns.c (widened_name_p,
1149 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1150 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1151 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1152 vectorizable_shift,vectorizable_operation, vectorizable_store,
1153 vectorizable_load): Likewise.
1154 (vect_is_simple_cond): Add an argument, pass it to
1155 vect_is_simple_use_1.
1156 (vectorizable_condition): Update calls to vect_is_simple_cond,
1158 (vect_is_simple_use): Add an argument, the statement in which
1159 OPERAND is used. Check that if OPERAND's def stmt is a double
1160 reduction phi node, the use is a phi node too.
1161 (vect_is_simple_use_1): Add an argument, pass it to
1163 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1164 to vect_is_simple_use.
1166 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1168 PR rtl-optimization/52095
1169 * modulo-sched.c (dump_insn_locator): New function.
1170 (loop_canon_p, sms_schedule): Use it.
1172 PR rtl-optimization/52113
1173 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1174 even for decomposable shift/zext insns.
1176 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1177 Zdenek Dvorak <ook@ucw.cz>
1179 PR rtl-optimization/52092
1180 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1181 on get_iv_value result.
1183 2012-02-02 Andrew Pinski <apinski@cavium.com>
1187 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1189 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1192 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1194 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1196 PR rtl-optimization/49800
1197 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1198 (sched_finish): Call regstat_free_n_sets_and_refs.
1200 2012-02-02 Jia Liu <proljc@gmail.com>
1202 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1205 2012-02-02 Jan Hubicka <jh@suse.cz>
1206 Tom de Vries <tom@codesourcery.com>
1209 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1210 * varpool.c (varpool_analyze_pending_decls): Likewise.
1212 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1213 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1215 * config.gcc: Add cr16-* support.
1217 * doc/extend.texi: Document cr16 extensions.
1218 * doc/install.texi: Document cr16 install.
1219 * doc/invoke.texi: Document cr16 options.
1220 * doc/md.texi: Document cr16 constraints.
1222 * common/config/cr16/cr16-common.c: New file.
1223 * config/cr16/cr16.c: New file.
1224 * config/cr16/cr16.h: New file.
1225 * config/cr16/cr16.md: New file.
1226 * config/cr16/cr16.opt: New file.
1227 * config/cr16/cr16-protos.h: New file.
1228 * config/cr16/predicates.md: New file.
1229 * config/cr16/constraints.md: New file.
1230 * config/cr16/t-cr16: New file.
1232 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1235 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1236 that operands[2] is either immediate, or q_regs_operand.
1238 PR tree-optimization/52073
1239 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1240 a pattern stmt for pattern uses, ignore uses outside of the loop.
1242 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1244 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1245 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1246 (OUT_AS1, OUT_AS2): Remove.
1248 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1250 PR rtl-optimization/51374
1251 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1252 to cross other volatile_refs_p insns.
1254 2012-02-01 Richard Guenther <rguenther@suse.de>
1256 * doc/invoke.texi (fno-inline): Clarify documentation.
1257 (finline-small-functions): Likewise.
1258 (finline-functions): Likewise.
1259 * common.opt (finline): Adjust comment and documentation.
1260 (finline-small-functions): Clarify documentation.
1261 (finline-functions): Likewise.
1262 (finline-functions-called-once): Likewise.
1264 2012-02-01 Tristan Gingold <gingold@adacore.com>
1266 * c-typeck.c (composite_type): Keep mode for pointers.
1268 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1270 * function.h (regno_reg_rtx): Adjust comment.
1271 * reginfo.c (init_reg_modes_target): Only use the previous mode
1272 if it fits within one register. Remove MIPS comment.
1274 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1277 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1279 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1281 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1282 to srak instruction.
1284 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1286 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1288 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1293 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1295 2012-01-31 Richard Guenther <rguenther@suse.de>
1297 PR tree-optimization/51528
1298 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1301 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1306 * ree.c (add_removable_extension): Change def_map argument
1307 to unsigned *, store in def_map 1 + offset into *insn_list vector
1308 instead of pointers into the vector.
1309 (find_removable_extensions): Adjust caller.
1311 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1313 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1314 Transform all "* quoted-c-code" to { c-code }.
1315 Remove redundant test for "optimize" in combine patterns.
1316 Move (include "avr-dimode.md") to end of file.
1318 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1321 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1322 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1324 2012-01-30 Richard Guenther <rguenther@suse.de>
1326 PR tree-optimization/52028
1327 * tree-loop-distribution.c (ldist_gen): Properly update
1330 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1333 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1334 set_cur_line_info_table if not emitting debug info.
1336 PR tree-optimization/52046
1337 * tree-vect-patterns.c (check_bool_pattern): Give up if
1338 a comparison could throw.
1341 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1343 2012-01-30 Richard Guenther <rguenther@suse.de>
1345 PR tree-optimization/52045
1346 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1347 SSA form if cfgcleanup did anything.
1349 2012-01-30 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/52045
1352 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1353 before computing final todo.
1355 2012-01-30 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/51528
1358 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1361 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1363 * df-problems.c (df_kill_notes): Check that the use refers
1364 to the note under examination.
1366 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1369 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1370 parameter and use short-lived pseudos.
1371 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1372 (sparc_expand_vector_init): Const-ify local variables and adjust
1373 calls to above functions.
1375 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1377 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1379 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1381 * doc/invoke.texi: Make usage of "compile time" and
1382 "run time"/"runtime" consistent throughout the file.
1384 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1386 * config/alpha/alpha.c (alpha_option_override): Default to
1387 full IEEE compliance mode for Go language.
1389 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1391 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1392 (LINK_SSP_SPEC): Define.
1394 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1397 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1400 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1402 * doc/invoke.texi: Correct hyphenation of "floating point",
1403 "double precision", and related terminology throughout the file.
1405 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1408 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1409 arm_general_register_operand predicate for operand 2 instead of
1412 2012-01-27 Ian Lance Taylor <iant@google.com>
1415 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1416 * builtins.c (expand_builtin_init_trampoline): Add onstack
1417 parameter. Change caller.
1418 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1419 * tree.c (build_common_builtin_nodes): Declare
1420 __builtin_init_heap_trampoline.
1422 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1424 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1425 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1426 * config/avr/avr.c: Ditto.
1427 (avr_regnames): Remove because unused.
1428 * config/avr/avr.md (*cpse.ne): New peephole.
1429 (*cpse.eq): New peephole from former cpse peepholes.
1431 2012-01-27 Michael Eager <eager@eagercon.com>
1433 * config/microblaze.c (microblaze_emit_compare): Correct
1434 test after pcmp instruction.
1436 2012-01-27 Richard Guenther <rguenther@suse.de>
1438 PR tree-optimization/52020
1439 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1441 2012-01-27 Richard Guenther <rguenther@suse.de>
1443 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1444 function non-const/pure.
1446 2012-01-27 Richard Guenther <rguenther@suse.de>
1448 PR tree-optimization/50444
1449 * tree-sra.c (build_ref_for_offset): Properly adjust the
1450 MEM_REF type for unaligned accesses.
1452 2012-01-27 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/50444
1455 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1456 (expand_assignment): Use it. Properly handle misaligned
1457 bases when expanding stores to component references.
1458 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1461 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1464 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1465 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1466 * tree-data-ref.c (find_data_references_in_loop): Make static.
1467 (compute_all_dependences): Change return type to bool. Bail out
1468 for too many datarefs in a loop. Move the hunk resetting the data
1469 dependences vector from ...
1470 (compute_data_dependences_for_loop): ... here. Account for
1471 compute_all_dependences returning false.
1472 (compute_data_dependences_for_bb): Likewise.
1473 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1474 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1476 2012-01-27 Richard Guenther <rguenther@suse.de>
1479 * expr.c (store_field): Use the alias-set of the scratch memory
1482 2012-01-27 Tom de Vries <tom@codesourcery.com>
1484 PR tree-optimization/51990
1485 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1487 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1489 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1492 * var-tracking.c (reverse_op): Don't add any reverse operation
1493 if V already has any constant locations.
1495 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1497 * doc/invoke.texi: Correct usage of "command line" (noun)
1498 vs "command-line" (adjective) throughout.
1500 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1502 * doc/invoke.texi (Language Independent Options): Move
1503 -Wcoverage-mismatch blurb from here....
1504 (Warning Options): ...to here.
1506 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1508 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1509 Set rs6000_always_hint to false for 476.
1511 2012-01-27 Matthias Klose <doko@ubuntu.com>
1513 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1515 * incpath.c (add_standard_paths): Likewise.
1517 2012-01-27 Richard Henderson <rth@redhat.com>
1519 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1520 * config/m68k/sync.md (atomic_test_and_set): Rename from
1521 sync_test_and_setqi and adjust the operands.
1522 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1523 and unconditionally enable.
1525 2012-01-27 Richard Henderson <rth@redhat.com>
1527 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1528 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1529 (ldstub): Rename from ldstubqi.
1530 (ldstub<I24MODE>): Remove.
1532 2012-01-27 Richard Henderson <rth@redhat.com>
1534 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1535 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1536 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1537 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1538 * doc/tm.texi: Rebuild.
1540 2012-01-27 Richard Henderson <rth@redhat.com>
1542 * optabs.c (gen_atomic_test_and_set): Remove default.
1543 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1545 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1547 PR rtl-optimization/51978
1548 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1549 (combine_reaching_defs): Likewise.
1550 (struct re_info): Remove.
1551 (add_removable_extension): Remove x and data arguments,
1552 add insn, insn_list and def_map. Use the arguments directly
1553 instead of using struct re_info.
1554 (find_removable_extensions): Don't call add_removable_extension
1555 through note_stores, instead just call it with single_set
1557 (find_and_remove_re): Pass curr_cand->expr instead of
1558 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1560 2012-01-26 Michael Matz <matz@suse.de>
1562 PR tree-optimization/46590
1563 * cfgexpand.c: Revert last change (r183305).
1564 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1566 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1567 checking for emptiness.
1569 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1572 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1573 non-addressable non-BLKmode base correctly.
1575 2012-01-26 Michael Matz <matz@suse.de>
1577 PR tree-optimization/48794
1578 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1579 regions referenced from RESX/EH_DISPATCH.
1581 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1583 * config/s390/s390.h: Make BRANCH_COST an option.
1584 * config/s390/s390.opt: New option -mbranch-cost.
1586 2012-01-26 Richard Henderson <rth@redhat.com>
1588 Revert 2012-01-24 change:
1589 * trans-mem.c (requires_barrier): Do not instrument thread local
1590 variables and emit save/restore for them.
1592 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1595 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1598 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1600 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1603 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1606 Rename __pgm to __flash.
1607 Rename __pgm1 to __flash1.
1608 Rename __pgm2 to __flash2.
1609 Rename __pgm3 to __flash3.
1610 Rename __pgm4 to __flash4.
1611 Rename __pgm5 to __flash5.
1612 Rename __pgmx to __memx.
1613 * doc/extend.texi (AVR Named Address Spaces)
1614 Rename address space names as indicated above.
1615 * config/avr/avr.c (avr_addrspace): Ditto.
1617 * config/avr/avr-protos.h
1618 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1619 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1620 * config/avr/predicates.md: Ditto.
1621 * config/avr/avr.c Ditto, and
1622 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1623 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1625 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1626 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1627 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1628 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1629 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1630 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1631 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1632 * config/avr/avr.c: Ditto.
1633 * config/avr/avr.md: Ditto.
1635 2012-01-25 Jason Merrill <jason@redhat.com>
1638 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1640 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1642 PR tree-optimization/51987
1643 * tree-data-ref.c (get_references_in_stmt): Handle references in
1644 non-volatile GIMPLE_ASM.
1646 2012-01-25 Richard Guenther <rguenther@suse.de>
1648 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1649 bases are dereferenced.
1651 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1653 PR rtl-optimization/48374
1654 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1656 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1658 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1659 compute_data_dependences_for_loop returns false.
1660 * tree-parloops.c (loop_parallel_p): Likewise.
1662 2012-01-25 Richard Guenther <rguenther@suse.de>
1664 * tree.h (get_pointer_alignment_1): Declare.
1665 * builtins.c (get_pointer_alignment_1): New function.
1666 (get_pointer_alignment): Use it.
1668 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1670 PR rtl-optimization/48308
1671 * combine.c (enum undo_kind): Add UNDO_LINKS.
1672 (struct undo): Add member l to other_contents and where.
1673 (do_SUBST_LINK): New.
1675 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1676 (undo_all): Handle UNDO_LINKS.
1678 2012-01-25 Richard Henderson <rth@redhat.com>
1680 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1683 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1685 * optabs.c (gen_atomic_test_and_set): Use each argument.
1687 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1689 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1690 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1691 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1692 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1693 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1694 TARGET_PAIRED_SINGLE_FLOAT.
1696 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1698 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1699 (in_struct, return_val): Remove MEM documentation.
1700 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1701 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1702 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1704 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1705 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1706 * expr.c (store_field): Likewise.
1707 * function.c (assign_stack_temp_for_type): Likewise.
1708 * ifcvt.c (noce_try_cmove_arith): Likewise.
1709 * reload1.c (reload): Likewise.
1710 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1711 (alpha_set_memflags): Likewise.
1712 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1714 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1716 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1718 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1719 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1720 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1722 * cselib.c (cselib_rtx_varies_p): Delete.
1723 (cselib_invalidate_mem): Update call to canon_true_dependence.
1724 * dse.c (record_store, check_mem_read_rtx): Likewise.
1725 (scan_reads_nospill): Likewise.
1726 * cse.c (check_dependence): Likewise.
1727 (cse_rtx_varies_p): Delete.
1728 * expr.c (safe_from_p): Update call to true_dependence.
1729 * ira.c (validate_equiv_mem_from_store): Likewise.
1730 (memref_referenced_p): Likewise.
1731 * postreload-gcse.c (find_mem_conflicts): Likewise.
1732 * sched-deps.c (sched_analyze_2): Likewise.
1733 * store-motion.c (load_kills_store): Likewise.
1734 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1735 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1736 (compute_transp): Update call to canon_true_dependence.
1738 2012-01-25 Richard Henderson <rth@redhat.com>
1740 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1741 (maybe_emit_atomic_test_and_set): New.
1742 (expand_sync_lock_test_and_set): Use it.
1743 (expand_atomic_test_and_set): Likewise.
1744 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1745 the implementation; clarify implementation defined details.
1746 * doc/md.texi (atomic_test_and_set): Document.
1748 2012-01-25 Richard Henderson <rth@redhat.com>
1750 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1752 2012-01-25 Richard Henderson <rth@redhat.com>
1755 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1756 to effect no-op split.
1758 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1761 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1762 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1763 (BT_FN_VOID_PTR_INT_SIZE): New.
1764 (BT_FN_UINT_UINT_VAR): Remove.
1765 (BT_FN_UINT32_UINT32_VAR): New.
1766 (BT_FN_DOUBLE_VPTR): Remove.
1767 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1769 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1770 (_ITM_changeTransactionMode): Same.
1771 (_ITM_memmoveRtWt): Change return type to void.
1772 (_ITM_memcpyRtWt): Same.
1773 (_ITM_memsetW): Same.
1774 (_ITM_RaRD): Change types to double.
1779 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1781 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1782 Patrick Marlier <patrick.marlier@gmail.com>
1784 * trans-mem.c (requires_barrier): Do not instrument thread local
1785 variables and emit save/restore for them.
1787 2012-01-24 Jason Merrill <jason@redhat.com>
1790 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1791 output static aliases.
1793 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1796 * common.opt (-pie, -shared, pie, shared): Change from Common to
1798 * gcc.c (display_help): Display help for -pie and -shared.
1800 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1803 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1804 Remove note on size/offset limitation.
1805 (AVR Variable Attributes): Add example how to read data located
1806 with progmem. Refer to named address spaces.
1807 * doc/invoke.texi (AVR Options): Fix typo.
1809 2012-01-24 Richard Guenther <rguenther@suse.de>
1811 Forward-port to trunk
1812 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1815 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1816 op0 isn't sufficiently aligned and there is movmisalignM
1817 insn for mode, use it to load op0 into a temporary register.
1819 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1822 * target.def (const_not_ok_for_debug_p): New hook.
1823 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1825 * doc/tm.texi: Regenerated.
1826 * dwarf2out.c (const_ok_for_output_1): If
1827 targetm.const_not_ok_for_debug_p returns true, fail.
1828 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1830 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1832 2012-01-23 Kai Tietz <ktietz@redhat.com>
1835 * config/i386/predicates.md (symbolic_operand): Allow
1836 UNSPEC_PCREL as PIC expression for lea.
1837 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1838 * config/i386/i386.c (ix86_delegitimize_address): Handle
1839 UNSPEC_PCREL for none-MEM, too.
1841 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1843 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1844 (ipa_tm_create_version_alias): Same.
1846 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1849 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1850 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1852 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1853 Patrick Marlier <patrick.marlier@gmail.com>
1854 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1857 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1858 simple_object_start_read.
1860 2012-01-23 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/51895
1864 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1865 parameter decomposition into BLKmode components.
1867 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1869 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1870 fake variables for restrict-qualified pointers whose pointed-to type
1871 contains a placeholder.
1873 2012-01-23 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/51949
1876 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1878 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1880 PR rtl-optimization/51933
1881 * ree.c (transform_ifelse): Return true right away if dstreg is
1882 already wider or equal to cand->mode.
1883 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1884 (make_defs_and_copies_lists): Remove defs_list and copies_list
1885 arguments, add state argument, just truncate state->work_list
1886 instead of always allocating and freeing the vector. Assert that
1887 get_defs succeeds instead of returning 2. Changed return type to bool.
1888 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1889 have ext_src_mode, see if it has been modified already with the
1890 right kind of extension and has been extended before from the
1891 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1892 just return true. Remember the original mode in state->modified array.
1893 (combine_reaching_defs): Add state argument. Don't allocate and
1894 free here def_list, copied_list and vec vectors, instead just
1895 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1896 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1897 Add state variable, clear vectors in it, initialize state.modified
1898 if needed. Free all the vectors at the end and state.modified too.
1899 Don't skip a candidate if the extension expression has been modified.
1901 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1904 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1905 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1906 (extra_options) interix.opt -> i386/interix.opt"
1907 (extra_objs):Add winnt-stubs.o
1908 * configure.ac: Add interix to target_os .comm on PE check.
1909 * configure: Regenerate.
1910 * config/interix3.h: Delete and move bits to..
1911 * config/interix.h: Delete and move bits to..
1912 * config/i386/i386-interix3.h: Delete and move bits to..
1913 * config/i386/i386-interix.h: ..here.
1914 (TARGET_CPU_DEFAULT): Remove redefinition.
1915 (TARGET_ASM_CONSTRUCTOR): Undefine.
1916 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1917 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1918 (PTRDIFF_TYPE): Define.
1919 (LONG_DOUBLE_TYPE_SIZE): Define.
1920 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1921 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1922 (TARGET_SECTION_TYPE_FLAGS): Define.
1923 (ASM_DECLARE_FUNCTION_NAME): Define.
1924 (ASM_OUTPUT_EXTERNAL): Define.
1925 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1926 (ASM_OUTPUT_ALIGNED_BSS): Define.
1927 (PCC_BITFIELD_TYPE_MATTERS): Define.
1928 (USE_CONST_SECTION): Define.
1929 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1930 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1931 (SUPPORTS_ONE_ONLY): Remove.
1932 (I386_PE_STRIP_ENCODING): Define.
1933 * config/interix.opt: Delete and move bits to..
1934 * config/i386/interix.opt: ..here. New.
1935 (mpe-aligned-commons): Add.
1936 * config/i386/t-interix: Add copyright header.
1937 (winnt-stubs.o): Add rule.
1939 2012-01-22 Jason Merrill <jason@redhat.com>
1942 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1943 for extra name aliases.
1945 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1947 PR rtl-optimization/51924
1948 * ree.c (combine_set_extension): Improve debugging message.
1949 (combine_reaching_defs): Likewise.
1950 (get_defs): Rename confusingly named variable.
1951 (find_and_remove_re): Skip a candidate if the extension expression has
1954 2012-01-21 Robert Millan <rmh@gnu.org>
1955 Gerald Pfeifer <gerald@pfeifer.com>
1957 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1958 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1960 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1962 PR tree-optimization/51914
1963 * tree-vect-stmts.c (vectorizable_conversion): For
1964 cvt_type && modifier == WIDEN, put temporary with cvt_type
1965 at the beginning of vec_dsts and set vec_dest to temporary
1968 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1970 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1972 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1974 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1975 * config/rs6000/rs6000.c: Likewise.
1977 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1980 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1981 output_move_double on a copy of operands array.
1983 2012-01-20 Cary Coutant <ccoutant@google.com>
1984 Dodji Seketeli <dodji@redhat.com>
1987 * dwarf2out.c (copy_declaration_context): Return ref to parent
1988 of declaration DIE, if necessary.
1989 (remove_child_or_replace_with_skeleton): Add new parameter; update
1990 caller. Place skeleton DIE under parent DIE of original declaration.
1991 Move call to copy_declaration_context to here ...
1992 (break_out_comdat_types): ... from here.
1994 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1996 PR rtl-optimization/51856
1997 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2000 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2003 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2004 hints for neon loads and stores.
2006 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2010 * doc/extend.texi (Named Address Spaces): Split into subsections.
2011 (AVR Named Address Spaces): New subsection.
2012 (M32C Named Address Spaces): New subsection.
2013 (RL78 Named Address Spaces): New subsection.
2014 (SPU Named Address Spaces): New subsection.
2015 (Variable Attributes): New anchor "AVR Variable Attributes".
2016 (AVR Variable Attributes): Rewrite and avoid wording
2017 "address space" in this context.
2018 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2019 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2020 (AVR Built-in Macros): New subsubsection therein.
2021 * doc/md.texi (AVR constraints): Remove "C04", "R".
2023 2012-01-20 Richard Guenther <rguenther@suse.de>
2025 PR tree-optimization/51903
2026 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2027 when removing stmts.
2029 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2032 * config/arm/arm.c (arm_load_pic_register): Use
2033 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2034 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2035 (arm_pic_static_addr): Likewise.
2036 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2037 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2038 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2039 (pic_load_addr_unified): New.
2041 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2044 * function.c (instantiate_virtual_regs_in_insn): Use
2045 delete_insn_and_edges when removing a wrong asm insn.
2047 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2049 PR rtl-optimization/40761
2050 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2051 Add new member loop_num.
2052 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2053 (ira_build): Remove the parameter.
2055 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2056 (ira.c): Do not build CFG loops for one region allocation. Remove
2057 argument from ira_build call.
2059 * ira-build.c (init_loop_tree_node): New function.
2060 (create_loop_tree_nodes): Use it. Separate the case when CFG
2061 loops are not built.
2062 (more_one_region_p): Check current_loops.
2063 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2065 (add_loop_to_tree): Process loop equal to NULL too.
2066 (form_loop_tree): Separate the case when CFG loops are not built.
2067 Use explicitly number for the root.
2068 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2070 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2071 instead of loop->num.
2072 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2073 (mark_all_loops_for_removal): Ditto.
2074 (remove_unnecessary_regions): Separate the case when CFG loops
2076 (ira_build): Remove the parameter. Use explicit number of regions
2077 when CFG loops are not built.
2079 * ira-color.c (print_loop_title): Separate the case for the root node.
2080 Use loop_num instead of loop->num.
2081 (move_spill_restore): Use loop_num instead of loop->num.
2083 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2084 (change_loop): Ditto.
2085 (change_loop): Use loop_num instead of loop->num.
2087 * ira-lives.c (process_bb_node_lives): Ditto.
2089 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2091 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2093 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2096 * tree-mudflap.c (mf_artificial): New function.
2097 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2098 mx_register_decls, mudflap_enqueue_decl): Use it.
2101 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2102 numbers in the insn pattern.
2104 2012-01-19 Michael Matz <matz@suse.de>
2106 PR tree-optimization/46590
2107 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2108 use it in remembering which conflicts we already created.
2109 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2112 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2115 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2116 (merge_and_complain): Same.
2118 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2121 * config/initfini-array.h: Guard content of the header
2122 with #ifdef HAVE_INITFINI_ARRAY.
2123 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2124 Add initfini-array.h to tm_file here.
2125 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2126 * config.gcc: Don't add initfini-array.h to tm_file here.
2127 * configure: Regenerated.
2129 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2131 PR rtl-optimization/51505
2132 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2133 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2134 (df_note_bb_compute): Update the call to df_kill_notes.
2136 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2138 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2140 2012-01-18 Richard Guenther <rguenther@suse.de>
2142 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2143 of conversions to void *.
2145 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2146 Richard Sandiford <rdsandiford@googlemail.com>
2150 * optabs.h (simplify_expand_binop): Declare.
2151 * optabs.c (simplify_expand_binop): Make global.
2152 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2153 endian targets if the source cannot be exactly covered by word
2156 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2159 * hard-reg-set.h (struct hard_reg_set_container): New type.
2160 * target.h (struct hard_reg_set_container): Forward declare.
2161 * target.def (set_up_by_prologue): New target hook.
2162 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2163 * doc/tm.texi: Regenerated.
2164 * function.c (thread_prologue_and_epilogue_insns): Change
2165 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2166 Call targetm.set_up_by_prologue on it.
2167 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2168 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2170 2012-01-17 Nick Clifton <nickc@redhat.com>
2172 * config/rx/rx.c (rx_can_use_simple_return): New function.
2173 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2174 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2176 2012-01-17 Richard Guenther <rguenther@suse.de>
2179 * expr.c (expand_assignment): Take address-space information
2180 from the address operand of MEM_REF and TARGET_MEM_REF.
2181 (expand_expr_real_1): Likewise.
2183 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2185 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2186 reload dump is requested.
2188 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2191 * trans-mem.c (requires_barrier): Call may_be_aliased.
2193 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2195 PR tree-optimization/51877
2196 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2197 call arguments and fndecls compare equal, instead return false if they
2198 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2199 both SSA_NAMEs that are valueized the same, or they satisfy
2202 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2204 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2206 * configure: Regenerate.
2208 2012-01-16 Jan Hubicka <jh@suse.cz>
2212 * convert.c (convert_to_integer): Use fold_convert for
2213 converting an INTEGER_CST to integer type.
2215 2012-01-16 Jason Merrill <jason@redhat.com>
2218 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2220 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2223 * config/s390/s390.c (s390_chunkify_start): Don't skip
2224 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2225 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2226 If insn is followed by NOTE_INSN_VAR_LOCATION or
2227 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2228 Don't use location of note insns.
2230 PR tree-optimization/51865
2231 * tree-inline.c (tree_function_versioning): Call remap_decl
2232 on DECL_RESULT whenever it has VOID_TYPE_P type.
2234 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2236 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2237 for calls to locally-binding MIPS16 functions if only the return
2238 type uses float regs.
2240 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2241 Richard Sandiford <rdsandiford@googlemail.com>
2243 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2244 (SYMBOL_32_HIGH): Likewise.
2245 (mips_output_tls_reloc_directive): Declare.
2246 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2247 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2248 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2249 (mips_lo_relocs, mips_hi_relocs): Make extern.
2250 (mips16_stub_function): Move up file.
2251 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2252 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2253 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2254 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2255 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2256 (mips_get_tp): Add MIPS16 support.
2257 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2258 Generalize DTPREL and TPREL handling.
2259 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2260 Add MIPS16 TLS support.
2261 (mips_output_tls_reloc_directive): New function.
2262 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2263 * config/mips/predicates.md (symbolic_operand_with_high)
2264 (tls_reloc_operand): New predicates.
2265 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2266 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2267 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2268 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2269 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2270 (*tls_get_tp_mips16_call_<mode>): Likewise.
2272 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2274 PR rtl-optimization/51821
2275 * recog.c (peep2_find_free_register): Determine clobbered registers
2278 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2281 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2282 * config/avr/avr.c: Likewise.
2283 * config/avr/avr.h: Likewise.
2285 2012-01-13 Ian Lance Taylor <iant@google.com>
2288 * tree.h (TYPE_QUALS): Add cast to int.
2289 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2291 2012-01-13 Ian Lance Taylor <iant@google.com>
2293 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2294 comparing param_index to VEC_length result.
2296 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2298 * c-decl.c: Do not include tree-mudflap.h
2299 * tree-optimize.c: Likewise.
2300 * Makefile.in: Update dependencies.
2302 2012-01-13 Richard Guenther <rguenther@suse.de>
2305 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2306 variable-sized result always use RSO.
2308 2012-01-12 DJ Delorie <dj@redhat.com>
2310 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2311 pointer type, not just the default pointer type.
2313 2012-01-09 Richard Henderson <rth@redhat.com>
2314 Denis Chertykov <chertykov@gmail.com>
2317 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2318 * config/avr/avr.c (avr_can_eliminate): Simplify.
2319 (avr_initial_elimination_offset): Likewise.
2320 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2321 (expand_epilogue): Likewise.
2322 (avr_legitimize_address): Gut.
2323 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2324 (avr_hard_regno_nregs): New.
2325 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2326 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2327 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2328 add soft frame pointer.
2329 (CALL_USED_REGISTERS): Likewise.
2330 (REG_CLASS_CONTENTS): Likewise.
2331 (REGISTER_NAMES): Likewise.
2332 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2333 (HARD_FRAME_POINTER_REGNUM): New.
2334 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2335 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2336 remove the HARD_FRAME_POINTER self-elimination.
2338 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2341 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2342 DECL_EXTERNAL when checking for initializers of progmem variables.
2344 2012-01-12 Ira Rosen <irar@il.ibm.com>
2346 PR tree-optimization/51799
2347 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2348 that the last operation is a type demotion.
2350 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2352 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2353 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2355 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2358 * combine.c (distribute_notes): If i3 is a noreturn call,
2359 allow old_size to be equal to args_size and make sure the
2360 noreturn call gets REG_ARGS_SIZE note.
2361 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2362 on noreturn calls even when the delta is 0.
2364 2012-01-11 Nathan Sidwell <nathan@acm.org>
2366 * gcov.c (STRING_SIZE): Remove.
2367 (generate_results): Erase annotations for source files with no
2368 coverage information.
2370 (output_lines): Use it.
2372 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2374 * gimple.h (gimplify_body): Remove first argument.
2375 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2376 pointer set here, instead just pass DATA to walk_tree.
2377 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2378 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2379 (unvisit_body): Likewise, but with unmark_visited.
2380 (gimplify_body): Remove BODY_P argument and adjust.
2381 (gimplify_function_tree): Adjust call to gimplify_body.
2382 * omp-low.c (finalize_task_copyfn): Likewise.
2384 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2386 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2387 (build_function_type_skip_args): Delete.
2388 * tree.c (build_function_type_skip_args): Make static and add
2389 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2390 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2391 pass it to build_function_type_skip_args.
2392 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2393 (tree_function_versioning): Likewise.
2394 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2395 build_function_decl_skip_args.
2396 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2397 and pass it to build_function_decl_skip_args/tree_function_versioning.
2398 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2399 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2400 * trans-mem.c (ipa_tm_create_version): Likewise.
2401 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2402 * tree-inline.c (declare_return_variable): Remove always-true test.
2403 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2404 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2405 * ipa-split.c (split_function): Skip the return value for the split
2406 part if it doesn't return.
2408 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2410 PR tree-optimization/49642
2411 * ipa-split.c (forbidden_dominators): New variable.
2412 (check_forbidden_calls): New function.
2413 (dominated_by_forbidden): Likewise.
2414 (consider_split): Check for forbidden dominators.
2415 (execute_split_functions): Initialize and free forbidden
2416 dominators info; call check_forbidden_calls.
2418 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2420 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2422 2012-01-11 Nick Clifton <nickc@redhat.com>
2424 * config/rx/rx.md (return): Define pattern.
2426 2012-01-11 Richard Guenther <rguenther@suse.de>
2428 * doc/extend.texi (malloc attribute): Adjust according to
2431 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2432 Patrick Marlier <patrick.marlier@gmail.com>
2435 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2436 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2437 (ipa_tm_note_irrevocable): Same.
2438 (ipa_tm_scan_irr_block): Same.
2439 (ipa_tm_decrement_clone_counts): Same.
2440 (ipa_tm_scan_irr_function): Same.
2441 (ipa_tm_create_version_alias): Same.
2442 (ipa_tm_create_version): Same.
2443 (ipa_tm_transform_calls_redirect): Same.
2444 (ipa_tm_transform_calls): Same.
2445 (ipa_tm_transform_transaction): Same.
2446 (ipa_tm_execute): Same.
2448 2012-01-10 Richard Guenther <rguenther@suse.de>
2451 * opts.c (common_handle_option): Handle -Werror.
2453 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2455 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2458 2012-01-10 Jason Merrill <jason@redhat.com>
2460 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2463 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2465 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2466 supports R_386_TLS_GD_PLT reloc.
2467 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2468 supports R_386_TLS_LDM_PLT reloc.
2469 * configure: Regenerate.
2470 * config.in: Regenerate.
2472 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2475 Extend __pgmx semantics to linearize memory.
2476 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2477 determine if code comes inline or from libgcc.
2478 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2479 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2480 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2481 (movmemx_qi, movmemx_hi): New insns.
2482 (xload_<mode>_libgcc): Rewrite to new insn condition.
2483 (xload_<mode>): Remove insns.
2484 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2485 cases that don't satisfy avr_xload_libgcc_p().
2486 (avr_addr_space_convert): Allow converting in any direction.
2487 (avr_addr_space_subset_p): Return always true.
2488 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2489 (avr_emit_movmemhi): Ditto.
2490 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2491 (avr_out_movmem): Ditto.
2492 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2493 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2494 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2495 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2496 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2498 2012-01-10 Richard Guenther <rguenther@suse.de>
2500 PR tree-optimization/50913
2501 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2502 Require data-refs to be representable by Graphite with respect
2505 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2507 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2508 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2510 2012-01-10 Tom de Vries <tom@codesourcery.com>
2512 PR rtl-optimization/51271
2513 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2514 handling annulled branch.
2516 2012-01-10 Richard Henderson <rth@redhat.com>
2518 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2519 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2520 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2521 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2522 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2523 arm_expand_vec_perm_const): New.
2524 * config/arm/arm-protos.h: Update.
2525 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2526 (*neon_vswp<VDQX>): New.
2527 (neon_vcombine<VDX>): Use neon_split_vcombine.
2528 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2529 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2530 (vec_perm<VE>): New.
2532 2012-01-10 Richard Henderson <rth@redhat.com>
2534 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2535 use it if reload_completed.
2536 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2537 arm_output_asm_insn, arm_process_output_memory_barrier,
2538 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2539 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2540 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2541 arm_process_output_sync_insn, arm_output_sync_insn,
2542 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2543 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2544 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2545 (emit_unlikely_jump): New.
2546 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2547 (arm_split_atomic_op): New.
2548 * config/arm/arm-protos.h: Update.
2549 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2550 (struct arm_sync_generator): Remove.
2551 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2552 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2553 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2554 (VUNSPEC_LL, VUNSPEC_SC): New.
2555 (sync_result, sync_memory, sync_required_value, sync_new_value,
2556 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2557 (attr length): Don't use arm_sync_loop_insns.
2558 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2559 (movsfcc, movdfcc): Likewise.
2560 * config/arm/constraints.md (Ua): New.
2561 * config/arm/prediates.md (mem_noofs_operand): New.
2562 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2563 (sync_clobber, sync_t2_reqd): Remove.
2564 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2565 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2566 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2567 (arm_sync_compare_and_swap<SIDI>): Remove.
2568 (arm_sync_compare_and_swap<NARROW>): Remove.
2569 (arm_sync_lock_test_and_set<SIDI>): Remove.
2570 (arm_sync_lock_test_and_set<NARROW>): Remove.
2571 (arm_sync_new_<syncop><SIDI>): Remove.
2572 (arm_sync_new_<syncop><NARROW>): Remove.
2573 (arm_sync_new_nand<SIDI>): Remove.
2574 (arm_sync_new_nand<NARROW>): Remove.
2575 (arm_sync_old_<syncop><SIDI>): Remove.
2576 (arm_sync_old_<syncop><NARROW>): Remove.
2577 (arm_sync_old_nand<SIDI>): Remove.
2578 (arm_sync_old_nand<NARROW>): Remove.
2579 (*memory_barrier): Merge arm_output_memory_barrier.
2580 (atomic_compare_and_swap<QHSD>): New.
2581 (atomic_compare_and_swap<NARROW>_1): New.
2582 (atomic_compare_and_swap<SIDI>_1): New.
2583 (atomic_exchange<QHSD>): New.
2584 (cas_cmp_operand, cas_cmp_str): New.
2585 (atomic_op_operand, atomic_op_str): New.
2586 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2587 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2588 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2589 (arm_load_exclusive<NARROW>): New.
2590 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2591 (arm_store_exclusive<QHSD>): New.
2593 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2595 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2596 reload patterns if -mvsx-scalar-memory.
2598 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2599 generated, even -mno-vsx-scalar-double was used.
2600 (vsx_xscvdpsp_scalar): Likewise.
2601 (vsx_xscvspdp_scalar2): Likewise.
2603 2012-01-09 Tom de Vries <tom@codesourcery.com>
2604 Andrew Pinski <apinski@cavium.com>
2607 * reorg.c (fill_slots_from_thread): Don't speculate
2608 frame-related insns.
2610 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2612 * sched-int.h (bb_note): Move to...
2613 * basic-block.h: ...here.
2614 * haifa-sched.c (bb_note): Move to...
2615 * cfgrtl.c: ...here.
2616 * function.c (next_block_for_reg): New function.
2617 (move_insn_for_shrink_wrap): Likewise.
2618 (prepare_shrink_wrap): Rewrite to use the above.
2620 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2622 * gimple.c (is_gimple_non_addressable): Remove.
2623 * gimple.h: Remove is_gimple_non_addressable.
2624 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2625 is_gimple_non_addressable.
2626 * trans-mem.c (expand_assign_tm): Same.
2628 2012-01-09 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/51775
2631 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2632 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2634 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2636 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2638 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2640 2012-01-09 Richard Guenther <rguenther@suse.de>
2642 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2644 2012-01-08 Jan Hubicka <jh@suse.cz>
2646 PR tree-optimize/51680
2647 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2648 on when known_vals needs to be computed; cleanup.
2650 2012-01-08 Jan Hubicka <jh@suse.cz>
2652 PR tree-optimize/51694
2653 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2655 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2657 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2658 for -std=c++98 and -std=c++11 too.
2660 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2662 * cfgloop.c (cancel_loop): Add free() of bbs array.
2664 2012-01-07 Jan Hubicka <jh@suse.cz>
2666 PR tree-optimization/51600
2667 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2668 that benefits small functions.
2670 2012-01-07 Jan Hubicka <jh@suse.cz>
2672 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2674 2012-01-07 Jan Hubicka <jh@suse.cz>
2676 PR tree-optimization/51680
2677 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2678 whose inlining reduce unit size.
2680 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2683 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2684 Add canonical node to containing_mem chain after the non-canonical
2685 one, even if there weren't any locs to propagate.
2686 (remove_useless_values): Keep only canonical values.
2687 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2688 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2689 canonicalize mem_chain elements that are not discarded.
2691 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2694 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2695 before emitting functions.
2697 PR gcov-profile/50127
2698 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2699 clear_aux_for_blocks.
2701 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2704 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2706 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2708 * c-decl.c (ext_block): Moved up.
2709 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2711 2012-01-06 Han Shen <shenhan@google.com>
2713 Translate built-in include paths for sysroot.
2714 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2715 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2717 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2718 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2720 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2721 control whether sysroot should be prepended to gxx include dir.
2723 * configure: Regenerate.
2725 2012-01-06 Torvald Riegel <triegel@redhat.com>
2727 PR rtl-optimization/51771
2728 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2729 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2731 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2733 PR tree-optimization/51315
2734 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2735 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2737 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2740 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2741 for shrp pattern. Correctly handle and fixup shift variable.
2742 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2744 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2747 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2748 note when !ACCUMULATE_OUTGOING_ARGS.
2750 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2752 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2754 (extract_range_from_unary_expr_1): Avoid useless computations.
2756 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2758 PR rtl-optimization/51767
2759 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2760 of jump_block and add an extra edge for degenerated asm gotos.
2763 * stmt.c (check_unique_operand_names): Don't ICE during error
2764 reporting if i is from labels chain.
2767 * profile.c (branch_prob): Split bbs that have exit edge
2768 and need a fake entry edge too.
2770 2012-01-05 Jan Hubicka <jh@suse.cz>
2773 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2776 2012-01-05 Richard Guenther <rguenther@suse.de>
2779 * tree-streamer-out.c (write_ts_optimization): New function.
2780 (streamer_write_tree_body): Call it.
2781 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2782 (streamer_read_tree_body): Call it.
2783 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2785 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2788 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2789 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2790 in_cleanup_point_expr before gimplify_stmt call and restore it
2792 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2793 in_cleanup_point_expr is false.
2795 2012-01-05 Richard Guenther <rguenther@suse.de>
2798 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2800 * toplev.c (process_options): Reject combining mudflap and LTO.
2801 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2803 2012-01-05 Richard Guenther <rguenther@suse.de>
2805 PR tree-optimization/51760
2806 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2808 (bit_value_unop): Handle UNDEFINED operands.
2809 (bit_value_binop): Likewise.
2811 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2813 * config/avr/avr.c (avr_replace_prefix): Remove.
2814 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2815 (avr_asm_function_rodata_section): Ditto.
2816 (avr_asm_select_section): Ditto.
2818 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2820 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2823 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2826 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2827 calls that have any non-fake successor edges.
2830 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2832 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2834 PR tree-optimization/51624
2835 * tree-sra.c (build_ref_for_model): When replicating a chain of
2836 COMPONENT_REFs, stop as soon as the offset would become negative.
2838 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2841 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2842 in .debug_loc on the floor.
2844 2012-01-04 Andrew Pinski <apinski@cavium.com>
2846 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2848 2012-01-04 Andrew Pinski <apinski@cavium.com>
2849 Adam Nemet <anemet@caviumnetworks.com>
2851 * config/mips/mips.md (size): Add SI and DI.
2852 (SIZE): New mode attribute.
2853 (U): New code attribute.
2854 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2855 (mips_lbux_<mode>): Delete.
2856 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2857 (mips_lhx): Use gen_mips_lhx_extsi.
2858 (mips_lhx_<mode>): Delete.
2860 (mips_l<size>x): New expand.
2861 (mips_lwx_<mode>): Delete.
2862 (mips_l<GPR:size>x_<P:mode>): New pattern.
2863 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2864 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2865 * config/mips/mips.c (mips_lx_address_p): New function.
2866 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2867 (dsp64): New availability predicate.
2868 (mips_builtins): Add an entry for __builtin_mips_ldx.
2869 * config/mips/mips.h (ISA_HAS_LBX): New define.
2870 (ISA_HAS_LBUX): Likewise.
2871 (ISA_HAS_LHX): Likewise.
2872 (ISA_HAS_LHUX): Likewise.
2873 (ISA_HAS_LWX): Likewise.
2874 (ISA_HAS_LWUX): Likewise.
2875 (ISA_HAS_LDX): Likewise.
2876 * doc/extend.texi (__builtin_mips_ldx): Document.
2878 2012-01-04 Tristan Gingold <gingold@adacore.com>
2880 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2881 when long pointers are used.
2882 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2883 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2884 (ia64-hp-*vms*): Remove.
2885 * config/vms/xm-vms64.h: Delete.
2887 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2890 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2892 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2894 * opts.c (finish_options): Remove duplicate sorry.
2896 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2899 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2902 2012-01-04 Richard Guenther <rguenther@suse.de>
2905 * tree.c (size_low_cst): New function.
2906 * tree.h (size_low_cst): Declare.
2907 * fold-const.c (fold_comparison): Use it to extract the low
2908 part of the POINTER_PLUS_EXPR offset.
2910 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2912 Fix clearing ZERO_REG
2913 * config/avr/avr.md (cc): Add alternative "ldi".
2914 (movqi_insn): Use it in cc attribute.
2915 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2916 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2917 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2919 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2921 * configure: Regenerate.
2923 2012-01-04 Richard Guenther <rguenther@suse.de>
2925 PR tree-optimization/49651
2926 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2927 (var_can_have_subvars): Use it.
2928 (get_constraint_for_1): Only consider subfields if there can be any.
2930 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2933 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2934 to its new canonical_cselib_val and the cselib_val was in
2935 first_containing_mem chain, but the canonical_cselib_val was not,
2936 add the latter into the chain.
2937 (cselib_invalidate_mem): Compare canonical_cselib_val of
2938 addr_list chain elt with v.
2941 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2942 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2944 (output_macinfo_op): Don't ggc_strdup fd->filename.
2945 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2946 then ggc_strdup it. Don't free inc->info or cur->info.
2947 (output_macinfo): Don't free ref->info or file->info.
2949 2012-01-03 Ira Rosen <irar@il.ibm.com>
2951 PR tree-optimization/51269
2952 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2953 first_niters a pointer.
2954 (slpeel_tree_peel_loop_to_edge): Likewise.
2955 (vect_do_peeling_for_loop_bound): Update call to
2956 slpeel_tree_peel_loop_to_edge.
2957 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2958 here. Remove it from the parameters list.
2959 (vect_do_peeling_for_alignment): Update calls and compute
2962 2012-01-03 Richard Guenther <rguenther@suse.de>
2964 PR tree-optimization/51070
2965 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2966 Properly handle calls.
2968 2012-01-03 Richard Guenther <rguenther@suse.de>
2970 PR tree-optimization/51692
2971 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2972 the LHS of allocation stmts.
2974 2012-01-03 Olivier Hainque <hainque@adacore.com>
2976 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2978 2012-01-03 Olivier Hainque <hainque@adacore.com>
2980 * collect2.c (main): In AIX specific computations for vector
2981 insertions, use CONST_CAST2 to cast from char ** to const char **.
2983 2012-01-03 Richard Guenther <rguenther@suse.de>
2986 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2987 the context of a limbo DIE when it does not already exist.
2989 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2991 PR tree-optimization/51719
2992 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2993 but direct call is, clear direct call's lhs and don't add fallthrough
2994 edge from dcall_bb to join_bb and PHIs.
2996 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2998 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2999 the instructions emitted by the pattern.
3000 ("*TDC_insn_<mode>"): Add comment.
3002 2012-01-03 Richard Guenther <rguenther@suse.de>
3005 * fold-const.c (fold_comparison): Properly canonicalize
3006 tree offset and HOST_WIDE_INT bit position.
3008 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3010 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3011 operands for extzv pattern.
3013 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3016 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3019 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3021 * doc/invoke.texi (-flto and related options): Copy-edit.
3023 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3025 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3027 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3029 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3032 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3034 * expr.h (move_by_pieces_ninsns): Declare.
3035 * expr.c (move_by_pieces_ninsns): Make external.
3036 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3037 (mips_store_by_pieces_p): Likewise.
3038 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3039 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3040 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3041 (mips_store_by_pieces_p): Likewise.
3043 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3045 * passes.c (register_one_dump_file): Free full_name.
3047 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3048 (calculate_elim_costs_all_insns): Free offsets_at and
3049 offsets_known_at at the end and clear the pointers.
3051 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3053 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3054 this option introduced in r180739.
3056 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3059 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3060 (tmake_file target=avr): Add avr/t-multilib.
3062 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3063 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3064 * config/avr/genmultilib.awk: New file.
3065 * config/avr/t-multilib: New auto-generated file.
3066 * config/avr/multilib.h: New auto-generated file.
3067 * config/avr/t-avr (AVR_MCUS): New variable.
3068 (genopt.sh): Use it.
3069 (s-mlib): Depend on t-multilib.
3070 (t-multilib, multilib.h): New dependencies.
3071 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3072 (MULTILIB_OPTIONS): Remove.
3073 (MULTILIB_MATCHES): Remove.
3074 (MULTILIB_DIRNAMES): Remove.
3075 (MULTILIB_EXCEPTIONS): Remove:
3076 * config/avr/genopt.sh: Don't use hard coded file name;
3077 pass AVR_MCUS from t-avr instead.
3079 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3081 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3083 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3085 Implement light-weight DImode support.
3086 * config/avr/avr-dimode.md: New file.
3087 * config/avr/avr.md: Include it.
3088 (adjust_len): Add plus64, compare64.
3089 (HIDI): Remove code iterator.
3090 (code_stdname): New code attribute.
3091 (rotx, rotsmode): Remove DI.
3092 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3094 * config/avr/avr-protos.h (avr_have_dimode): New.
3095 (avr_out_plus64, avr_out_compare64): New.
3096 * config/avr/avr.c (avr_out_compare): Handle DImode.
3097 (avr_have_dimode): New variable definition and initialization.
3098 (avr_out_compare64, avr_out_plus64): New functions.
3099 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3100 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3101 (avr_compare_pattern): Skip DImode comparisons.
3103 2012-01-02 Revital Eres <revital.eres@linaro.org>
3105 * ddg.c (def_has_ccmode_p): New function.
3106 (add_cross_iteration_register_deps,
3107 create_ddg_dep_from_intra_loop_link): Call it.
3109 2012-01-02 Richard Guenther <rguenther@suse.de>
3112 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3114 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3116 * gcc.c (process_command): Update copyright notice dates.
3117 * gcov.c (print_version): Likewise.
3118 * gcov-dump.c (print_version): Likewise.
3119 * mips-tfile.c (main): Likewise.
3120 * mips-tdump.c (main): Likewise.
3122 2012-01-01 Ira Rosen <irar@il.ibm.com>
3124 PR tree-optimization/51704
3125 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3126 a use is inside the basic block or loop before accessing its vect info.
3128 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3130 PR rtl-optimization/51069
3131 * cfgloopmanip.c (remove_path): Removing path making irreducible
3132 region unconditional makes BB part of the region.
3134 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3136 PR tree-optimization/51683
3137 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3138 calls with side-effects.
3139 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3141 Copyright (C) 2012 Free Software Foundation, Inc.
3143 Copying and distribution of this file, with or without modification,
3144 are permitted in any medium without royalty provided the copyright
3145 notice and this notice are preserved.
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