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