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