1 2012-02-24 Richard Guenther <rguenther@suse.de>
4 * fold-const.c (fold_addr_of_array_ref_difference): New function.
5 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j]
8 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
10 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
12 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
14 * tree-phinodes.c (make_phi_node): Mark static.
15 * tree-flow.h (make_phi_node): Remove extern decl.
16 * doc/gimple.texi (make_phi_node): Remove documentation.
18 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
20 * tree-into-ssa (update_ssa): Avoid trailing whitespace in
22 * tree-ssa-sccvn.c (print_scc): Ditto.
24 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
26 * doc/passes.texi (Full redundancy elimination): Fix typo.
28 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
30 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
32 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
35 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
37 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
40 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
42 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
44 * config/avr/avr.md (code_stdname): Add ior, xor.
45 (xior): New code iterator.
46 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
47 (*<code_stdname><mode>qi.byte1-3): Ditto.
49 2012-02-23 Jakub Jelinek <jakub@redhat.com>
51 PR tree-optimization/52019
52 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
55 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
57 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
58 HAVE_INITFINI_ARRAY to work around namespace pollution in
59 certain versions of newlib system headers.
60 * config.in: Regenerate.
61 * configure: Regenerate.
62 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
63 instead of HAVE_INITFINI_ARRAY.
65 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
69 is not offsettable memory reference.
71 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
74 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
75 setting avr_need_clear_bss_p for __gnu_lto* symbols.
77 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
79 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
80 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
82 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
84 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
85 library on Solaris 8 even without TLS support.
86 * configure: Regenerate.
88 2012-02-22 Richard Guenther <rguenther@suse.de>
91 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
92 for GIMPLE_DEBUG stmts.
94 2012-02-22 Martin Jambor <mjambor@suse.cz>
97 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
98 according to the base object.
100 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
102 PR rtl-optimization/50063
103 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
104 and 2 (8-bit SP) in operand 2.
105 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
106 setup to use movhi_sp_r instead of vanilla move to write SP.
107 Adjust REG_CFA notes to superseed unspec.
108 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
110 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
111 known to be off) only with TARGET_NO_INTERRUPTS. Never use
112 irq_state 1 (IRQ known to be on) here.
114 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
116 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
118 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
119 assign_hard_reg): Likewise.
121 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
123 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
125 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
128 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
129 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
131 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
133 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
134 prototype from here to...
135 * config/avr/avr.h: ...here.
137 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
140 * thumb2.md (thumb2_shiftsi3_short): Split register and
141 immediate shifts. For register shifts tie operands 0 and 1.
142 (peephole2 for above): Check that register-controlled shifts
143 have suitably tied operands.
145 2012-02-21 Quentin Neill <quentin.neill@amd.com>
148 * config/i386/bdver1.md (bdver1_call, bdver1_push,
149 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
150 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
151 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
152 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
153 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
154 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
155 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
156 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
157 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
158 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
159 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
160 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
161 bdver1_ssevector_avx256_unaligned_load,
162 bdver1_ssevector_sse128_unaligned_load,
163 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
164 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
165 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
166 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
167 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
168 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
169 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
170 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
171 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
172 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
173 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
174 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
175 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
176 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
177 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
178 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
179 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
180 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
181 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
182 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
183 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
184 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
185 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
186 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
187 bdver1_ssediv_double_load, bdver1_ssediv_double,
188 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
189 Add "bdver2" attribute.
191 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
193 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
194 default if possible and not specified otherwise.
196 2012-02-21 Richard Guenther <rguenther@suse.de>
199 * gimplify.c (create_tmp_from_val): Use the main variant type
200 for the type of the temporary we create.
202 2012-02-21 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/52324
205 * gimplify.c (gimplify_expr): When re-gimplifying expressions
206 do not gimplify a MEM_REF address operand if it is already
209 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
211 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
212 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
214 2012-02-21 Richard Guenther <rguenther@suse.de>
216 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
219 2012-02-21 Jakub Jelinek <jakub@redhat.com>
221 PR tree-optimization/52318
222 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
223 vdef also to non-pure/const call stmts in the sequence.
225 2012-02-20 David S. Miller <davem@davemloft.net>
227 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
228 don't use the "rd %pc" instruction on v9 for PIC register loads.
230 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
233 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
234 in a transaction safe function.
236 2012-02-20 Kai Tietz <ktietz@redhat.com>
239 * stor-layout.c (place_field): Handle desired_align for
242 2012-02-20 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/52298
245 * tree-vect-stmts.c (vectorizable_store): Properly use
246 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
248 (vectorizable_load): Likewise.
249 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
250 Access DR_STEP after ensuring it is not NULL.
252 2012-02-20 Jakub Jelinek <jakub@redhat.com>
254 PR tree-optimization/52286
255 * fold-const.c (fold_binary_loc): For (X & C1) | C2
256 optimization use double_int_to_tree instead of build_int_cst_wide,
257 rewrite to use double_int vars.
259 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
262 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
264 Remove -e 0 from $gcc_cv_ld invocation.
265 Only use __GLIBC_PREREQ if defined.
266 Enable on Solaris since Solaris 8 patch.
267 (gcc_SUN_LD_VERSION): New macro.
268 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
269 gcc_SUN_LD_VERSION for version number format.
270 * configure: Regenerate.
271 * varasm.c (get_elf_initfini_array_priority_section): Set
272 SECTION_NOTYPE for non-default priority.
273 Use get_section instead of get_unnamed_section to emit
274 .init_array/.fini_array with default priority.
276 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
278 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
279 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
280 (mips_start_unique_function, mips_output_mips16_rdhwr)
281 (mips_code_end): New functions.
282 (TARGET_ASM_CODE_END): Define.
284 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
286 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
287 to stubs with non-sibling calls.
289 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
291 * doc/invoke.texi (-fira-* options): Copy-edit.
292 (ira-* parameters): Copy-edit.
294 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
296 * doc/invoke.texi: Minor copy-edits to bring into conformance with
297 GCC coding conventions.
299 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
301 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
302 when used as adjectives.
304 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
306 * doc/invoke.texi: Clean up "that"/"which" confusion.
308 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
310 * system.h: Poison SMALL_REGISTER_CLASSES
311 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
312 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
314 2012-02-16 Jakub Jelinek <jakub@redhat.com>
316 PR tree-optimization/52285
317 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
318 when deciding if a call is a tail call or tail recursion.
320 2012-02-16 Kai Tietz <ktietz@redhat.com>
322 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
323 interger-constant displacement for UNSPEC_PCREL.
325 2012-02-16 Jakub Jelinek <jakub@redhat.com>
327 PR rtl-optimization/52208
328 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
329 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
331 PR tree-optimization/52255
332 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
333 loop->header has virtual PHI, but exit_e->dest doesn't, add
334 virtual PHI to exit_e->dest and adjust all uses after the loop.
337 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
338 children with clone_tree_hash, not after it.
340 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
342 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
343 extended identifiers.
345 2012-02-16 Jakub Jelinek <jakub@redhat.com>
348 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
349 a same_body_alias, also test whether e->callee isn't a former
350 or current clone of the decl this is a same body alias of.
353 * cgraphunit.c (verify_cgraph_node): Fix a typo.
355 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
357 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
359 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
362 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
363 force_reg instead of copy_to_reg for better optimization. Force
364 non-register or memory operands into a register.
366 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
368 * extend.texi: Reserve upper bits of memory model for future use.
370 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
371 Anatoly Sokolov <aesok@post.ru>
372 Eric Weddington <eric.weddington@atmel.com>
375 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
376 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
377 Rewrite initializers for .macro.
378 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
379 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
380 atxmega32d4, atxmega32x1.
381 avrxmega4: atxmega64a3, atxmega64d3.
382 avrxmega5: atxmega64a1, atxmega64a1u.
383 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
384 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
385 avrxmega7: atxmega128a1, atxmega128a1u.
386 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
387 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
388 (struct base_arch_s): Rename reserved to xmega_p.
389 Rename reserved2 to have_rampd.
390 (AVR_XMEGA): New define.
391 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
392 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
393 * config/avr/predicates.md (io_address_operand): Take into
395 (low_io_address_operand): Ditto.
396 (high_io_address_operand): Ditto.
397 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
398 (enabled, movhi_sp_r): Use them.
399 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
400 cpp_define_formatted to built-in define __AVR_ARCH__.
401 (__AVR_XMEGA__): New built-in define.
402 (__AVR_HAVE_RAMPD__): New built-in define.
403 (__AVR_HAVE_RAMPX__): New built-in define.
404 (__AVR_HAVE_RAMPY__): New built-in define.
405 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
407 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
408 (avr_option_override): Initialize them.
409 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
410 (avr_init_expanders): Initialize them. No more block several calls.
411 (emit_push_sfr): New static function.
412 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
414 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
415 (avr_print_operand): Print addreeses as symbols for
416 RAMPX, RAMPY, RAMPD, CCP.
417 (output_movhi): Handle AVR_XMEGA when writing to SP.
418 (avr_out_movhi_mr_r_xmega): New static function.
419 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
420 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
421 __RAMPD__, __CCP__ as needed.
423 * config/avr/multilib.h: Regenerate.
424 * config/avr/t-multilib: Regenerate.
425 * config/avr/avr-tables.opt: Regenerate.
427 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
429 PR tree-optimization/50561
430 * graphite-flattening.c (lst_project_loop): Do not
431 remove old scattering dimensions after flattening.
432 (lst_do_flatten): Likewise.
434 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
436 * doc/extend.texi (AVR Built-in Functions): Remove doc for
437 __builtin_avr_map8, __builtin_avr_map16.
438 Document __builtin_avr_insert_bits.
440 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
441 (insert_bits): New insn.
442 (adjust_len.map_bits): Rename to insert_bits.
443 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
444 * avr-protos.h (avr_out_map_bits): Remove.
445 (avr_out_insert_bits, avr_has_nibble_0xf): New.
446 * config/avr/constraints.md (Cxf,C0f): New.
447 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
448 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
449 New built-in define __BUILTIN_AVR_INSERT_BITS.
450 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
451 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
452 (avr_move_bits): Rewrite.
453 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
455 (avr_map_op_t): New typedef.
456 (avr_map_op): New static variable.
457 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
458 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
459 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
460 (bdesc_3arg, avr_expand_triop_builtin): New.
461 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
462 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
463 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
464 (avr_map_equal_p, avr_map_sig_p): Remove.
465 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
466 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
467 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
468 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
469 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
470 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
472 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
474 * config/c6x/c6x.md (reserve_cycles): New attribute.
475 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
476 don't reserve functional units after the branch occurs.
478 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
481 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
482 functions into non-tm_pure functions.
484 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
487 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
488 (iterative_hash_canonical_type): Likewise.
489 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
492 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
494 * haifa-sched.c (prune_ready_list): Ensure that if there is a
495 sched-group insn, it either remains alone or the entire list is pruned.
497 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
499 * doc/install.texi (Prerequisites): Fix grammar.
500 (Configuration): Likewise.
502 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
504 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
505 MPC as part of GCC before describing configuring with --with-gmp etc.
506 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
509 2012-02-14 Jakub Jelinek <jakub@redhat.com>
512 * dwarf2out.c (clone_tree_hash): New function.
513 (copy_decls_walk): Use it instead of clone_tree.
515 2012-02-14 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/52244
518 PR tree-optimization/51528
519 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
520 replacements for integral types.
522 2012-02-14 Walter Lee <walt@tilera.com>
524 * config.gcc: Handle tilegx and tilepro.
525 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
527 Add HAVE_AS_TLS check for tilegx and tilepro.
528 * configure: Regenerate.
529 * doc/contrib.texi: Add Mat Hostetter and self.
530 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
531 Document instruction intrinsics and network accessing intrinsics.
532 (TILEPro Built-in Functions): New node. Document instruction
533 intrinsics and network accessing intrinsics.
534 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
535 (Specific, tilepro-*-linux*): Likewise.
536 * doc/invoke.texi (TILE-Gx Options): New section.
537 (TILEPro Options): New section.
538 * doc/md.texi (TILE-Gx): New section.
539 (TILEPro): New section.
540 * common/config/tilegx/tilegx-common.c: New file.
541 * common/config/tilepro/tilepro-common.c: New file.
542 * config/tilegx/constraints.md: New file.
543 * config/tilegx/linux.h: New file.
544 * config/tilegx/mul-tables.c: New file.
545 * config/tilegx/predicates.md: New file.
546 * config/tilegx/sync.md: New file.
547 * config/tilegx/t-tilegx: New file.
548 * config/tilegx/tilegx-builtins.h: New file.
549 * config/tilegx/tilegx-c.c: New file.
550 * config/tilegx/tilegx-generic.md: New file.
551 * config/tilegx/tilegx-modes.def: New file.
552 * config/tilegx/tilegx-multiply.h: New file.
553 * config/tilegx/tilegx-protos.h: New file.
554 * config/tilegx/tilegx.c: New file.
555 * config/tilegx/tilegx.h: New file.
556 * config/tilegx/tilegx.md: New file.
557 * config/tilegx/tilegx.opt: New file.
558 * config/tilepro/constraints.md: New file.
559 * config/tilepro/gen-mul-tables.cc: New file.
560 * config/tilepro/linux.h: New file.
561 * config/tilepro/mul-tables.c: New file.
562 * config/tilepro/predicates.md: New file.
563 * config/tilepro/t-tilepro: New file.
564 * config/tilepro/tilepro-builtins.h: New file.
565 * config/tilepro/tilepro-c.c: New file.
566 * config/tilepro/tilepro-generic.md: New file.
567 * config/tilepro/tilepro-modes.def: New file.
568 * config/tilepro/tilepro-multiply.h: New file.
569 * config/tilepro/tilepro-protos.h: New file.
570 * config/tilepro/tilepro.c: New file.
571 * config/tilepro/tilepro.h: New file.
572 * config/tilepro/tilepro.md: New file.
573 * config/tilepro/tilepro.opt: New file.
575 2012-02-14 Jakub Jelinek <jakub@redhat.com>
577 PR tree-optimization/52210
578 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
579 vect_model_simple_cost with two entry vect_def_type array instead
582 2012-02-14 Richard Guenther <rguenther@suse.de>
585 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
586 Do not stream DECL_QUALIFIER.
587 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
588 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
589 (find_decls_types_r): Do not walk DECL_QUALIFIER.
591 2012-02-14 Jakub Jelinek <jakub@redhat.com>
594 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
597 2012-02-13 Jakub Jelinek <jakub@redhat.com>
600 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
601 * cselib.c (cselib_subst_to_values_from_insn): New function.
602 * sched-deps.c (add_insn_mem_dependence,
603 sched_analyze_1, sched_analyze_2): Use it.
605 2012-02-13 Jan Hubicka <jh@suse.cz>
608 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
610 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
612 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
613 (GTM_SELF_SPECS): Define if not already defined.
614 (driver_self_specs): Add GTM_SELF_SPECS.
615 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
616 (GTM_SELF_SPECS): Define.
617 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
618 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
620 2012-02-13 Jakub Jelinek <jakub@redhat.com>
622 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
625 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
628 * omp-low.c (expand_omp_for): If a static schedule without chunk size
629 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
631 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
634 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
636 2012-02-13 Richard Guenther <rguenther@suse.de>
639 * passes.c (enable_disable_pass): Fix typo.
641 2012-02-13 Jakub Jelinek <jakub@redhat.com>
644 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
645 XOR for reduce_bit_field if type is unsigned.
647 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
649 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
650 disallow changes from SFmode to mode with different size in FP regs.
652 2012-02-12 Robert Millan <rmh@gnu.org>
653 Gerald Pfeifer <gerald@pfeifer.com>
655 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
658 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
660 PR rtl-optimization/52175
661 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
662 to frame-related instructions.
664 2012-02-10 Jason Merrill <jason@redhat.com>
667 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
668 (demangle_new_symbols): Fill it.
669 (scan_linker_output): Walk it.
670 (start_tweaking): Split out from scan_linker_output.
671 (maybe_tweak): Update sym->chosen.
672 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
674 2012-02-11 Jakub Jelinek <jakub@redhat.com>
677 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
679 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
681 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
682 having the same mode as previous compare.
684 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
686 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
687 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
688 (nonlocal_goto_internal): Likewise.
689 (nonlocal_goto): Emit a use and an indirect jump directly.
691 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
694 * doc/extend.texi : Update comments for __atomic_compare_exchange and
695 __atomic_{is,always}_lock_free.
697 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
700 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
701 negative constant address for x32.
703 2012-02-10 Richard Henderson <rth@redhat.com>
705 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
706 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
707 for GIMPLE_TRANSACTION. Tidy if's into a switch.
709 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
710 Ira Rosen <irar@il.ibm.com>
712 PR tree-optimization/50031
713 * targhooks.c (default_builtin_vectorization_cost): Handle
715 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
716 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
717 all types of reduction and pattern statements.
718 (vect_estimate_min_profitable_iters): Likewise.
719 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
720 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
721 for explicit realigns.
722 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
723 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
725 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
726 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
727 vec_perm for VSX and handle vec_promote_demote.
729 2012-02-10 Jakub Jelinek <jakub@redhat.com>
732 * builtins.c (fold_builtin_atomic_always_lock_free,
733 expand_builtin_atomic_always_lock_free,
734 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
735 Return and/or test boolean_true_node/boolean_false_node instead of
736 integer_one_node/integer_zero_node.
738 2012-02-10 Jan Hubicka <jh@suse.cz>
741 * predict.c (predict_paths_for_bb): Prevent looping.
742 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
744 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
746 * config/arm/arm.c (output_move_double): In one case properly
747 count number of instructions that will be emitted.
749 2012-02-10 Richard Guenther <rguenther@suse.de>
752 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
754 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
757 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
759 2012-02-09 Jakub Jelinek <jakub@redhat.com>
762 * var-tracking.c (emit_note_insn_var_location): If
763 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
764 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
765 non-NOTE_DURING_CALL_P insn.
767 2012-02-09 Bin Cheng <bin.cheng@arm.com>
770 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
772 2012-02-08 Magnus Granberg <zorry@gentoo.org>
775 * gcc.c (switch_matches) Support switches with separated form,
778 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
780 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
783 * config/avr/avr.c (avr_addr_t): New typedef.
784 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
785 (avr_init_expanders): Initialize it.
786 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
788 (expand_epilogue): Ditto.
789 (avr_print_operand): Ditto.
790 (avr_file_start): Ditto.
791 (avr_emit_movmemhi): Ditto.
793 2012-02-08 Richard Guenther <rguenther@suse.de>
795 PR tree-optimization/46886
796 * tree-flow.h (do_while_loop_p): Declare.
797 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
798 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
800 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
802 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
803 always succeed for integers larger than a native word.
805 2012-02-08 Richard Guenther <rguenther@suse.de>
807 PR rtl-optimization/52170
808 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
809 properly handle integer vector modes.
811 2012-02-08 Jakub Jelinek <jakub@redhat.com>
813 PR gcov-profile/52150
814 * coverage.c: Include target.h.
815 (build_var): Call targetm.strip_name_encoding on the assembler name.
816 Change one _ into . or $ if the target allows it.
817 * Makefile.in (coverage.o): Depend on $(TARGET_H).
819 PR rtl-optimization/52139
820 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
821 is a BARRIER after emit_insn_after_noloc, move BB_END
822 to the last non-BARRIER insn before it.
824 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
827 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
828 (mips_gimplify_va_arg_expr): Call it instead of
829 std_gimplify_va_arg_expr.
831 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
833 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
834 message for -mno-pointers-to-nested-function.
836 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
839 * expr.c (get_inner_reference): If there is an offset, add a negative
840 bit position to it (if any).
842 2012-02-07 Jakub Jelinek <jakub@redhat.com>
844 PR rtl-optimization/52060
845 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
846 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
847 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
848 and/or i0src_copy2 when needed.
850 2012-02-07 Jakub Jelinek <jakub@redhat.com>
852 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
853 or LTOPLUGINSONAME if have_c.
855 * config/freebsd-spec.h: Add comment about what macros can be defined
857 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
858 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
861 2012-02-07 Richard Guenther <rguenther@suse.de>
863 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
864 newline in -alias dumps.
866 2012-02-07 Kai Tietz <ktietz@redhat.com>
867 Dave Korn <dave.korn.cygwin@gmail.com>
870 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
871 Take care that typinfo gets dllexport-attribute.
873 2012-02-07 Jakub Jelinek <jakub@redhat.com>
876 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
877 if modifier < EXPAND_SUM call force_operand on the result.
879 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
881 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
882 adding __forwarder_dst__ prefix if a forwarder_section attribute is
884 (epiphany_function_type): Replace types for specific interrupts with
885 EPIPHANY_FUNCTION_INTERRUPT.
886 (EPIPHANY_INTERRUPT_P): Update.
887 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
889 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
890 <disinterrupt>: Affects type identity.
891 (epiphany_handle_interrupt_attribute): Handle variable number of
893 (epiphany_compute_function_type): Update for new
894 epiphany_function_type definition.
895 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
896 handlers with a longcall forwarder.
897 (epiphany_start_function): Handle multiple interrupt arguments and/or
898 forwarder_section attribute.
900 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
903 2012-02-07 Alan Modra <amodra@gmail.com>
906 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
909 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
911 PR tree-optimization/50969
912 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
913 use vec_perm rather than vector_stmt.
914 (vect_model_load_cost): Likewise.
915 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
916 vec_perm to be the same as other vector statements.
917 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
918 cost of vec_perm for TARGET_VSX.
920 2012-02-06 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/52115
923 * tree-sra.c (access_has_replacements_p): New function.
924 (sra_modify_assign): Use it to decide whether a use is uninitialized.
926 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
929 * trans-mem.c (expand_call_tm): Add an assertion.
930 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
933 2012-02-06 Richard Guenther <rguenther@suse.de>
935 PR tree-optimization/50955
936 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
937 raise cost of expressions that replace an address with an
938 expression based on a different pointer.
940 2012-02-06 Jakub Jelinek <jakub@redhat.com>
943 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
944 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
946 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
949 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
950 -Weffc++ and specify guidelines come from second edition.
952 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
954 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
955 (sibcall_value_multiple_internal, call_split, call_internal_direct)
956 (call_direct_split, call_value_split, call_value_internal_direct)
957 (call_value_direct_split, call_value_multiple_split): Use jal and
958 jal_macro attributes.
960 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
962 * reload1.c (reload_regs_reach_end_p): Replace with...
963 (reload_reg_rtx_reaches_end_p): ...this function.
964 (new_spill_reg_store): Update commentary.
965 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
966 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
967 before setting new_spill_reg_store.
968 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
969 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
970 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
971 for non-spill reload registers.
973 2012-02-05 Ira Rosen <irar@il.ibm.com>
975 PR tree-optimization/52091
976 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
977 (vect_is_simple_use_1): Likewise.
978 * tree-vect-loop.c (vectorizable_reduction): Update calls
979 to vect_is_simple_use_1 and vect_is_simple_use.
980 (vectorizable_live_operation): Likewise.
981 * tree-vect-patterns.c (widened_name_p,
982 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
983 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
984 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
985 vectorizable_shift,vectorizable_operation, vectorizable_store,
986 vectorizable_load): Likewise.
987 (vect_is_simple_cond): Add an argument, pass it to
988 vect_is_simple_use_1.
989 (vectorizable_condition): Update calls to vect_is_simple_cond,
991 (vect_is_simple_use): Add an argument, the statement in which
992 OPERAND is used. Check that if OPERAND's def stmt is a double
993 reduction phi node, the use is a phi node too.
994 (vect_is_simple_use_1): Add an argument, pass it to
996 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
997 to vect_is_simple_use.
999 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1001 PR rtl-optimization/52095
1002 * modulo-sched.c (dump_insn_locator): New function.
1003 (loop_canon_p, sms_schedule): Use it.
1005 PR rtl-optimization/52113
1006 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1007 even for decomposable shift/zext insns.
1009 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1010 Zdenek Dvorak <ook@ucw.cz>
1012 PR rtl-optimization/52092
1013 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1014 on get_iv_value result.
1016 2012-02-02 Andrew Pinski <apinski@cavium.com>
1020 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1022 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1025 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1027 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1029 PR rtl-optimization/49800
1030 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1031 (sched_finish): Call regstat_free_n_sets_and_refs.
1033 2012-02-02 Jia Liu <proljc@gmail.com>
1035 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1038 2012-02-02 Jan Hubicka <jh@suse.cz>
1039 Tom de Vries <tom@codesourcery.com>
1042 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1043 * varpool.c (varpool_analyze_pending_decls): Likewise.
1045 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1046 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1048 * config.gcc: Add cr16-* support.
1050 * doc/extend.texi: Document cr16 extensions.
1051 * doc/install.texi: Document cr16 install.
1052 * doc/invoke.texi: Document cr16 options.
1053 * doc/md.texi: Document cr16 constraints.
1055 * common/config/cr16/cr16-common.c: New file.
1056 * config/cr16/cr16.c: New file.
1057 * config/cr16/cr16.h: New file.
1058 * config/cr16/cr16.md: New file.
1059 * config/cr16/cr16.opt: New file.
1060 * config/cr16/cr16-protos.h: New file.
1061 * config/cr16/predicates.md: New file.
1062 * config/cr16/constraints.md: New file.
1063 * config/cr16/t-cr16: New file.
1065 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1068 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1069 that operands[2] is either immediate, or q_regs_operand.
1071 PR tree-optimization/52073
1072 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1073 a pattern stmt for pattern uses, ignore uses outside of the loop.
1075 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1077 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1078 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1079 (OUT_AS1, OUT_AS2): Remove.
1081 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1083 PR rtl-optimization/51374
1084 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1085 to cross other volatile_refs_p insns.
1087 2012-02-01 Richard Guenther <rguenther@suse.de>
1089 * doc/invoke.texi (fno-inline): Clarify documentation.
1090 (finline-small-functions): Likewise.
1091 (finline-functions): Likewise.
1092 * common.opt (finline): Adjust comment and documentation.
1093 (finline-small-functions): Clarify documentation.
1094 (finline-functions): Likewise.
1095 (finline-functions-called-once): Likewise.
1097 2012-02-01 Tristan Gingold <gingold@adacore.com>
1099 * c-typeck.c (composite_type): Keep mode for pointers.
1101 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1103 * function.h (regno_reg_rtx): Adjust comment.
1104 * reginfo.c (init_reg_modes_target): Only use the previous mode
1105 if it fits within one register. Remove MIPS comment.
1107 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1110 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1112 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1114 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1115 to srak instruction.
1117 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1119 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1121 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1126 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1128 2012-01-31 Richard Guenther <rguenther@suse.de>
1130 PR tree-optimization/51528
1131 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1134 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1139 * ree.c (add_removable_extension): Change def_map argument
1140 to unsigned *, store in def_map 1 + offset into *insn_list vector
1141 instead of pointers into the vector.
1142 (find_removable_extensions): Adjust caller.
1144 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1146 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1147 Transform all "* quoted-c-code" to { c-code }.
1148 Remove redundant test for "optimize" in combine patterns.
1149 Move (include "avr-dimode.md") to end of file.
1151 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1154 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1155 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1157 2012-01-30 Richard Guenther <rguenther@suse.de>
1159 PR tree-optimization/52028
1160 * tree-loop-distribution.c (ldist_gen): Properly update
1163 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1166 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1167 set_cur_line_info_table if not emitting debug info.
1169 PR tree-optimization/52046
1170 * tree-vect-patterns.c (check_bool_pattern): Give up if
1171 a comparison could throw.
1174 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1176 2012-01-30 Richard Guenther <rguenther@suse.de>
1178 PR tree-optimization/52045
1179 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1180 SSA form if cfgcleanup did anything.
1182 2012-01-30 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/52045
1185 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1186 before computing final todo.
1188 2012-01-30 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/51528
1191 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1194 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1196 * df-problems.c (df_kill_notes): Check that the use refers
1197 to the note under examination.
1199 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1202 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1203 parameter and use short-lived pseudos.
1204 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1205 (sparc_expand_vector_init): Const-ify local variables and adjust
1206 calls to above functions.
1208 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1210 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1212 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1214 * doc/invoke.texi: Make usage of "compile time" and
1215 "run time"/"runtime" consistent throughout the file.
1217 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1219 * config/alpha/alpha.c (alpha_option_override): Default to
1220 full IEEE compliance mode for Go language.
1222 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1224 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1225 (LINK_SSP_SPEC): Define.
1227 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1230 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1233 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1235 * doc/invoke.texi: Correct hyphenation of "floating point",
1236 "double precision", and related terminology throughout the file.
1238 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1241 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1242 arm_general_register_operand predicate for operand 2 instead of
1245 2012-01-27 Ian Lance Taylor <iant@google.com>
1248 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1249 * builtins.c (expand_builtin_init_trampoline): Add onstack
1250 parameter. Change caller.
1251 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1252 * tree.c (build_common_builtin_nodes): Declare
1253 __builtin_init_heap_trampoline.
1255 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1257 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1258 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1259 * config/avr/avr.c: Ditto.
1260 (avr_regnames): Remove because unused.
1261 * config/avr/avr.md (*cpse.ne): New peephole.
1262 (*cpse.eq): New peephole from former cpse peepholes.
1264 2012-01-27 Michael Eager <eager@eagercon.com>
1266 * config/microblaze.c (microblaze_emit_compare): Correct
1267 test after pcmp instruction.
1269 2012-01-27 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/52020
1272 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1274 2012-01-27 Richard Guenther <rguenther@suse.de>
1276 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1277 function non-const/pure.
1279 2012-01-27 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/50444
1282 * tree-sra.c (build_ref_for_offset): Properly adjust the
1283 MEM_REF type for unaligned accesses.
1285 2012-01-27 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/50444
1288 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1289 (expand_assignment): Use it. Properly handle misaligned
1290 bases when expanding stores to component references.
1291 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1294 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1297 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1298 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1299 * tree-data-ref.c (find_data_references_in_loop): Make static.
1300 (compute_all_dependences): Change return type to bool. Bail out
1301 for too many datarefs in a loop. Move the hunk resetting the data
1302 dependences vector from ...
1303 (compute_data_dependences_for_loop): ... here. Account for
1304 compute_all_dependences returning false.
1305 (compute_data_dependences_for_bb): Likewise.
1306 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1307 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1309 2012-01-27 Richard Guenther <rguenther@suse.de>
1312 * expr.c (store_field): Use the alias-set of the scratch memory
1315 2012-01-27 Tom de Vries <tom@codesourcery.com>
1317 PR tree-optimization/51990
1318 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1320 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1322 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1325 * var-tracking.c (reverse_op): Don't add any reverse operation
1326 if V already has any constant locations.
1328 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1330 * doc/invoke.texi: Correct usage of "command line" (noun)
1331 vs "command-line" (adjective) throughout.
1333 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1335 * doc/invoke.texi (Language Independent Options): Move
1336 -Wcoverage-mismatch blurb from here....
1337 (Warning Options): ...to here.
1339 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1341 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1342 Set rs6000_always_hint to false for 476.
1344 2012-01-27 Matthias Klose <doko@ubuntu.com>
1346 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1348 * incpath.c (add_standard_paths): Likewise.
1350 2012-01-27 Richard Henderson <rth@redhat.com>
1352 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1353 * config/m68k/sync.md (atomic_test_and_set): Rename from
1354 sync_test_and_setqi and adjust the operands.
1355 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1356 and unconditionally enable.
1358 2012-01-27 Richard Henderson <rth@redhat.com>
1360 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1361 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1362 (ldstub): Rename from ldstubqi.
1363 (ldstub<I24MODE>): Remove.
1365 2012-01-27 Richard Henderson <rth@redhat.com>
1367 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1368 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1369 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1370 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1371 * doc/tm.texi: Rebuild.
1373 2012-01-27 Richard Henderson <rth@redhat.com>
1375 * optabs.c (gen_atomic_test_and_set): Remove default.
1376 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1378 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1380 PR rtl-optimization/51978
1381 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1382 (combine_reaching_defs): Likewise.
1383 (struct re_info): Remove.
1384 (add_removable_extension): Remove x and data arguments,
1385 add insn, insn_list and def_map. Use the arguments directly
1386 instead of using struct re_info.
1387 (find_removable_extensions): Don't call add_removable_extension
1388 through note_stores, instead just call it with single_set
1390 (find_and_remove_re): Pass curr_cand->expr instead of
1391 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1393 2012-01-26 Michael Matz <matz@suse.de>
1395 PR tree-optimization/46590
1396 * cfgexpand.c: Revert last change (r183305).
1397 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1399 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1400 checking for emptiness.
1402 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1405 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1406 non-addressable non-BLKmode base correctly.
1408 2012-01-26 Michael Matz <matz@suse.de>
1410 PR tree-optimization/48794
1411 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1412 regions referenced from RESX/EH_DISPATCH.
1414 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1416 * config/s390/s390.h: Make BRANCH_COST an option.
1417 * config/s390/s390.opt: New option -mbranch-cost.
1419 2012-01-26 Richard Henderson <rth@redhat.com>
1421 Revert 2012-01-24 change:
1422 * trans-mem.c (requires_barrier): Do not instrument thread local
1423 variables and emit save/restore for them.
1425 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1428 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1431 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1433 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1436 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1439 Rename __pgm to __flash.
1440 Rename __pgm1 to __flash1.
1441 Rename __pgm2 to __flash2.
1442 Rename __pgm3 to __flash3.
1443 Rename __pgm4 to __flash4.
1444 Rename __pgm5 to __flash5.
1445 Rename __pgmx to __memx.
1446 * doc/extend.texi (AVR Named Address Spaces)
1447 Rename address space names as indicated above.
1448 * config/avr/avr.c (avr_addrspace): Ditto.
1450 * config/avr/avr-protos.h
1451 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1452 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1453 * config/avr/predicates.md: Ditto.
1454 * config/avr/avr.c Ditto, and
1455 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1456 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1458 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1459 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1460 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1461 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1462 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1463 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1464 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1465 * config/avr/avr.c: Ditto.
1466 * config/avr/avr.md: Ditto.
1468 2012-01-25 Jason Merrill <jason@redhat.com>
1471 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1473 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1475 PR tree-optimization/51987
1476 * tree-data-ref.c (get_references_in_stmt): Handle references in
1477 non-volatile GIMPLE_ASM.
1479 2012-01-25 Richard Guenther <rguenther@suse.de>
1481 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1482 bases are dereferenced.
1484 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1486 PR rtl-optimization/48374
1487 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1489 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1491 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1492 compute_data_dependences_for_loop returns false.
1493 * tree-parloops.c (loop_parallel_p): Likewise.
1495 2012-01-25 Richard Guenther <rguenther@suse.de>
1497 * tree.h (get_pointer_alignment_1): Declare.
1498 * builtins.c (get_pointer_alignment_1): New function.
1499 (get_pointer_alignment): Use it.
1501 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1503 PR rtl-optimization/48308
1504 * combine.c (enum undo_kind): Add UNDO_LINKS.
1505 (struct undo): Add member l to other_contents and where.
1506 (do_SUBST_LINK): New.
1508 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1509 (undo_all): Handle UNDO_LINKS.
1511 2012-01-25 Richard Henderson <rth@redhat.com>
1513 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1516 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1518 * optabs.c (gen_atomic_test_and_set): Use each argument.
1520 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1522 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1523 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1524 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1525 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1526 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1527 TARGET_PAIRED_SINGLE_FLOAT.
1529 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1531 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1532 (in_struct, return_val): Remove MEM documentation.
1533 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1534 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1535 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1537 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1538 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1539 * expr.c (store_field): Likewise.
1540 * function.c (assign_stack_temp_for_type): Likewise.
1541 * ifcvt.c (noce_try_cmove_arith): Likewise.
1542 * reload1.c (reload): Likewise.
1543 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1544 (alpha_set_memflags): Likewise.
1545 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1547 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1549 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1551 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1552 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1553 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1555 * cselib.c (cselib_rtx_varies_p): Delete.
1556 (cselib_invalidate_mem): Update call to canon_true_dependence.
1557 * dse.c (record_store, check_mem_read_rtx): Likewise.
1558 (scan_reads_nospill): Likewise.
1559 * cse.c (check_dependence): Likewise.
1560 (cse_rtx_varies_p): Delete.
1561 * expr.c (safe_from_p): Update call to true_dependence.
1562 * ira.c (validate_equiv_mem_from_store): Likewise.
1563 (memref_referenced_p): Likewise.
1564 * postreload-gcse.c (find_mem_conflicts): Likewise.
1565 * sched-deps.c (sched_analyze_2): Likewise.
1566 * store-motion.c (load_kills_store): Likewise.
1567 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1568 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1569 (compute_transp): Update call to canon_true_dependence.
1571 2012-01-25 Richard Henderson <rth@redhat.com>
1573 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1574 (maybe_emit_atomic_test_and_set): New.
1575 (expand_sync_lock_test_and_set): Use it.
1576 (expand_atomic_test_and_set): Likewise.
1577 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1578 the implementation; clarify implementation defined details.
1579 * doc/md.texi (atomic_test_and_set): Document.
1581 2012-01-25 Richard Henderson <rth@redhat.com>
1583 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1585 2012-01-25 Richard Henderson <rth@redhat.com>
1588 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1589 to effect no-op split.
1591 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1594 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1595 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1596 (BT_FN_VOID_PTR_INT_SIZE): New.
1597 (BT_FN_UINT_UINT_VAR): Remove.
1598 (BT_FN_UINT32_UINT32_VAR): New.
1599 (BT_FN_DOUBLE_VPTR): Remove.
1600 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1602 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1603 (_ITM_changeTransactionMode): Same.
1604 (_ITM_memmoveRtWt): Change return type to void.
1605 (_ITM_memcpyRtWt): Same.
1606 (_ITM_memsetW): Same.
1607 (_ITM_RaRD): Change types to double.
1612 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1614 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1615 Patrick Marlier <patrick.marlier@gmail.com>
1617 * trans-mem.c (requires_barrier): Do not instrument thread local
1618 variables and emit save/restore for them.
1620 2012-01-24 Jason Merrill <jason@redhat.com>
1623 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1624 output static aliases.
1626 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1629 * common.opt (-pie, -shared, pie, shared): Change from Common to
1631 * gcc.c (display_help): Display help for -pie and -shared.
1633 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1636 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1637 Remove note on size/offset limitation.
1638 (AVR Variable Attributes): Add example how to read data located
1639 with progmem. Refer to named address spaces.
1640 * doc/invoke.texi (AVR Options): Fix typo.
1642 2012-01-24 Richard Guenther <rguenther@suse.de>
1644 Forward-port to trunk
1645 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1648 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1649 op0 isn't sufficiently aligned and there is movmisalignM
1650 insn for mode, use it to load op0 into a temporary register.
1652 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1655 * target.def (const_not_ok_for_debug_p): New hook.
1656 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1658 * doc/tm.texi: Regenerated.
1659 * dwarf2out.c (const_ok_for_output_1): If
1660 targetm.const_not_ok_for_debug_p returns true, fail.
1661 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1663 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1665 2012-01-23 Kai Tietz <ktietz@redhat.com>
1668 * config/i386/predicates.md (symbolic_operand): Allow
1669 UNSPEC_PCREL as PIC expression for lea.
1670 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1671 * config/i386/i386.c (ix86_delegitimize_address): Handle
1672 UNSPEC_PCREL for none-MEM, too.
1674 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1676 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1677 (ipa_tm_create_version_alias): Same.
1679 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1682 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1683 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1685 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1686 Patrick Marlier <patrick.marlier@gmail.com>
1687 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1690 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1691 simple_object_start_read.
1693 2012-01-23 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/51895
1697 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1698 parameter decomposition into BLKmode components.
1700 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1702 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1703 fake variables for restrict-qualified pointers whose pointed-to type
1704 contains a placeholder.
1706 2012-01-23 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/51949
1709 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1711 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1713 PR rtl-optimization/51933
1714 * ree.c (transform_ifelse): Return true right away if dstreg is
1715 already wider or equal to cand->mode.
1716 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1717 (make_defs_and_copies_lists): Remove defs_list and copies_list
1718 arguments, add state argument, just truncate state->work_list
1719 instead of always allocating and freeing the vector. Assert that
1720 get_defs succeeds instead of returning 2. Changed return type to bool.
1721 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1722 have ext_src_mode, see if it has been modified already with the
1723 right kind of extension and has been extended before from the
1724 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1725 just return true. Remember the original mode in state->modified array.
1726 (combine_reaching_defs): Add state argument. Don't allocate and
1727 free here def_list, copied_list and vec vectors, instead just
1728 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1729 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1730 Add state variable, clear vectors in it, initialize state.modified
1731 if needed. Free all the vectors at the end and state.modified too.
1732 Don't skip a candidate if the extension expression has been modified.
1734 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1737 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1738 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1739 (extra_options) interix.opt -> i386/interix.opt"
1740 (extra_objs):Add winnt-stubs.o
1741 * configure.ac: Add interix to target_os .comm on PE check.
1742 * configure: Regenerate.
1743 * config/interix3.h: Delete and move bits to..
1744 * config/interix.h: Delete and move bits to..
1745 * config/i386/i386-interix3.h: Delete and move bits to..
1746 * config/i386/i386-interix.h: ..here.
1747 (TARGET_CPU_DEFAULT): Remove redefinition.
1748 (TARGET_ASM_CONSTRUCTOR): Undefine.
1749 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1750 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1751 (PTRDIFF_TYPE): Define.
1752 (LONG_DOUBLE_TYPE_SIZE): Define.
1753 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1754 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1755 (TARGET_SECTION_TYPE_FLAGS): Define.
1756 (ASM_DECLARE_FUNCTION_NAME): Define.
1757 (ASM_OUTPUT_EXTERNAL): Define.
1758 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1759 (ASM_OUTPUT_ALIGNED_BSS): Define.
1760 (PCC_BITFIELD_TYPE_MATTERS): Define.
1761 (USE_CONST_SECTION): Define.
1762 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1763 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1764 (SUPPORTS_ONE_ONLY): Remove.
1765 (I386_PE_STRIP_ENCODING): Define.
1766 * config/interix.opt: Delete and move bits to..
1767 * config/i386/interix.opt: ..here. New.
1768 (mpe-aligned-commons): Add.
1769 * config/i386/t-interix: Add copyright header.
1770 (winnt-stubs.o): Add rule.
1772 2012-01-22 Jason Merrill <jason@redhat.com>
1775 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1776 for extra name aliases.
1778 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1780 PR rtl-optimization/51924
1781 * ree.c (combine_set_extension): Improve debugging message.
1782 (combine_reaching_defs): Likewise.
1783 (get_defs): Rename confusingly named variable.
1784 (find_and_remove_re): Skip a candidate if the extension expression has
1787 2012-01-21 Robert Millan <rmh@gnu.org>
1788 Gerald Pfeifer <gerald@pfeifer.com>
1790 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1791 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1793 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1795 PR tree-optimization/51914
1796 * tree-vect-stmts.c (vectorizable_conversion): For
1797 cvt_type && modifier == WIDEN, put temporary with cvt_type
1798 at the beginning of vec_dsts and set vec_dest to temporary
1801 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1803 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1805 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1807 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1808 * config/rs6000/rs6000.c: Likewise.
1810 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1813 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1814 output_move_double on a copy of operands array.
1816 2012-01-20 Cary Coutant <ccoutant@google.com>
1817 Dodji Seketeli <dodji@redhat.com>
1820 * dwarf2out.c (copy_declaration_context): Return ref to parent
1821 of declaration DIE, if necessary.
1822 (remove_child_or_replace_with_skeleton): Add new parameter; update
1823 caller. Place skeleton DIE under parent DIE of original declaration.
1824 Move call to copy_declaration_context to here ...
1825 (break_out_comdat_types): ... from here.
1827 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1829 PR rtl-optimization/51856
1830 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1833 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1836 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1837 hints for neon loads and stores.
1839 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1843 * doc/extend.texi (Named Address Spaces): Split into subsections.
1844 (AVR Named Address Spaces): New subsection.
1845 (M32C Named Address Spaces): New subsection.
1846 (RL78 Named Address Spaces): New subsection.
1847 (SPU Named Address Spaces): New subsection.
1848 (Variable Attributes): New anchor "AVR Variable Attributes".
1849 (AVR Variable Attributes): Rewrite and avoid wording
1850 "address space" in this context.
1851 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1852 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1853 (AVR Built-in Macros): New subsubsection therein.
1854 * doc/md.texi (AVR constraints): Remove "C04", "R".
1856 2012-01-20 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/51903
1859 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1860 when removing stmts.
1862 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1865 * config/arm/arm.c (arm_load_pic_register): Use
1866 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1867 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1868 (arm_pic_static_addr): Likewise.
1869 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1870 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1871 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1872 (pic_load_addr_unified): New.
1874 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1877 * function.c (instantiate_virtual_regs_in_insn): Use
1878 delete_insn_and_edges when removing a wrong asm insn.
1880 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1882 PR rtl-optimization/40761
1883 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1884 Add new member loop_num.
1885 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1886 (ira_build): Remove the parameter.
1888 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1889 (ira.c): Do not build CFG loops for one region allocation. Remove
1890 argument from ira_build call.
1892 * ira-build.c (init_loop_tree_node): New function.
1893 (create_loop_tree_nodes): Use it. Separate the case when CFG
1894 loops are not built.
1895 (more_one_region_p): Check current_loops.
1896 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1898 (add_loop_to_tree): Process loop equal to NULL too.
1899 (form_loop_tree): Separate the case when CFG loops are not built.
1900 Use explicitly number for the root.
1901 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1903 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1904 instead of loop->num.
1905 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1906 (mark_all_loops_for_removal): Ditto.
1907 (remove_unnecessary_regions): Separate the case when CFG loops
1909 (ira_build): Remove the parameter. Use explicit number of regions
1910 when CFG loops are not built.
1912 * ira-color.c (print_loop_title): Separate the case for the root node.
1913 Use loop_num instead of loop->num.
1914 (move_spill_restore): Use loop_num instead of loop->num.
1916 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1917 (change_loop): Ditto.
1918 (change_loop): Use loop_num instead of loop->num.
1920 * ira-lives.c (process_bb_node_lives): Ditto.
1922 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1924 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1926 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1929 * tree-mudflap.c (mf_artificial): New function.
1930 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1931 mx_register_decls, mudflap_enqueue_decl): Use it.
1934 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1935 numbers in the insn pattern.
1937 2012-01-19 Michael Matz <matz@suse.de>
1939 PR tree-optimization/46590
1940 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1941 use it in remembering which conflicts we already created.
1942 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1945 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1948 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1949 (merge_and_complain): Same.
1951 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1954 * config/initfini-array.h: Guard content of the header
1955 with #ifdef HAVE_INITFINI_ARRAY.
1956 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1957 Add initfini-array.h to tm_file here.
1958 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1959 * config.gcc: Don't add initfini-array.h to tm_file here.
1960 * configure: Regenerated.
1962 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1964 PR rtl-optimization/51505
1965 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1966 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1967 (df_note_bb_compute): Update the call to df_kill_notes.
1969 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1971 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1973 2012-01-18 Richard Guenther <rguenther@suse.de>
1975 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1976 of conversions to void *.
1978 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1979 Richard Sandiford <rdsandiford@googlemail.com>
1983 * optabs.h (simplify_expand_binop): Declare.
1984 * optabs.c (simplify_expand_binop): Make global.
1985 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1986 endian targets if the source cannot be exactly covered by word
1989 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1992 * hard-reg-set.h (struct hard_reg_set_container): New type.
1993 * target.h (struct hard_reg_set_container): Forward declare.
1994 * target.def (set_up_by_prologue): New target hook.
1995 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1996 * doc/tm.texi: Regenerated.
1997 * function.c (thread_prologue_and_epilogue_insns): Change
1998 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1999 Call targetm.set_up_by_prologue on it.
2000 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2001 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2003 2012-01-17 Nick Clifton <nickc@redhat.com>
2005 * config/rx/rx.c (rx_can_use_simple_return): New function.
2006 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2007 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2009 2012-01-17 Richard Guenther <rguenther@suse.de>
2012 * expr.c (expand_assignment): Take address-space information
2013 from the address operand of MEM_REF and TARGET_MEM_REF.
2014 (expand_expr_real_1): Likewise.
2016 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2018 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2019 reload dump is requested.
2021 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2024 * trans-mem.c (requires_barrier): Call may_be_aliased.
2026 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2028 PR tree-optimization/51877
2029 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2030 call arguments and fndecls compare equal, instead return false if they
2031 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2032 both SSA_NAMEs that are valueized the same, or they satisfy
2035 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2037 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2039 * configure: Regenerate.
2041 2012-01-16 Jan Hubicka <jh@suse.cz>
2045 * convert.c (convert_to_integer): Use fold_convert for
2046 converting an INTEGER_CST to integer type.
2048 2012-01-16 Jason Merrill <jason@redhat.com>
2051 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2053 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2056 * config/s390/s390.c (s390_chunkify_start): Don't skip
2057 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2058 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2059 If insn is followed by NOTE_INSN_VAR_LOCATION or
2060 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2061 Don't use location of note insns.
2063 PR tree-optimization/51865
2064 * tree-inline.c (tree_function_versioning): Call remap_decl
2065 on DECL_RESULT whenever it has VOID_TYPE_P type.
2067 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2069 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2070 for calls to locally-binding MIPS16 functions if only the return
2071 type uses float regs.
2073 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2074 Richard Sandiford <rdsandiford@googlemail.com>
2076 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2077 (SYMBOL_32_HIGH): Likewise.
2078 (mips_output_tls_reloc_directive): Declare.
2079 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2080 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2081 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2082 (mips_lo_relocs, mips_hi_relocs): Make extern.
2083 (mips16_stub_function): Move up file.
2084 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2085 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2086 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2087 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2088 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2089 (mips_get_tp): Add MIPS16 support.
2090 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2091 Generalize DTPREL and TPREL handling.
2092 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2093 Add MIPS16 TLS support.
2094 (mips_output_tls_reloc_directive): New function.
2095 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2096 * config/mips/predicates.md (symbolic_operand_with_high)
2097 (tls_reloc_operand): New predicates.
2098 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2099 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2100 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2101 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2102 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2103 (*tls_get_tp_mips16_call_<mode>): Likewise.
2105 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2107 PR rtl-optimization/51821
2108 * recog.c (peep2_find_free_register): Determine clobbered registers
2111 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2114 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2115 * config/avr/avr.c: Likewise.
2116 * config/avr/avr.h: Likewise.
2118 2012-01-13 Ian Lance Taylor <iant@google.com>
2121 * tree.h (TYPE_QUALS): Add cast to int.
2122 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2124 2012-01-13 Ian Lance Taylor <iant@google.com>
2126 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2127 comparing param_index to VEC_length result.
2129 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2131 * c-decl.c: Do not include tree-mudflap.h
2132 * tree-optimize.c: Likewise.
2133 * Makefile.in: Update dependencies.
2135 2012-01-13 Richard Guenther <rguenther@suse.de>
2138 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2139 variable-sized result always use RSO.
2141 2012-01-12 DJ Delorie <dj@redhat.com>
2143 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2144 pointer type, not just the default pointer type.
2146 2012-01-09 Richard Henderson <rth@redhat.com>
2147 Denis Chertykov <chertykov@gmail.com>
2150 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2151 * config/avr/avr.c (avr_can_eliminate): Simplify.
2152 (avr_initial_elimination_offset): Likewise.
2153 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2154 (expand_epilogue): Likewise.
2155 (avr_legitimize_address): Gut.
2156 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2157 (avr_hard_regno_nregs): New.
2158 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2159 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2160 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2161 add soft frame pointer.
2162 (CALL_USED_REGISTERS): Likewise.
2163 (REG_CLASS_CONTENTS): Likewise.
2164 (REGISTER_NAMES): Likewise.
2165 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2166 (HARD_FRAME_POINTER_REGNUM): New.
2167 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2168 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2169 remove the HARD_FRAME_POINTER self-elimination.
2171 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2174 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2175 DECL_EXTERNAL when checking for initializers of progmem variables.
2177 2012-01-12 Ira Rosen <irar@il.ibm.com>
2179 PR tree-optimization/51799
2180 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2181 that the last operation is a type demotion.
2183 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2185 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2186 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2188 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2191 * combine.c (distribute_notes): If i3 is a noreturn call,
2192 allow old_size to be equal to args_size and make sure the
2193 noreturn call gets REG_ARGS_SIZE note.
2194 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2195 on noreturn calls even when the delta is 0.
2197 2012-01-11 Nathan Sidwell <nathan@acm.org>
2199 * gcov.c (STRING_SIZE): Remove.
2200 (generate_results): Erase annotations for source files with no
2201 coverage information.
2203 (output_lines): Use it.
2205 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2207 * gimple.h (gimplify_body): Remove first argument.
2208 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2209 pointer set here, instead just pass DATA to walk_tree.
2210 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2211 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2212 (unvisit_body): Likewise, but with unmark_visited.
2213 (gimplify_body): Remove BODY_P argument and adjust.
2214 (gimplify_function_tree): Adjust call to gimplify_body.
2215 * omp-low.c (finalize_task_copyfn): Likewise.
2217 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2219 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2220 (build_function_type_skip_args): Delete.
2221 * tree.c (build_function_type_skip_args): Make static and add
2222 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2223 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2224 pass it to build_function_type_skip_args.
2225 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2226 (tree_function_versioning): Likewise.
2227 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2228 build_function_decl_skip_args.
2229 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2230 and pass it to build_function_decl_skip_args/tree_function_versioning.
2231 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2232 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2233 * trans-mem.c (ipa_tm_create_version): Likewise.
2234 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2235 * tree-inline.c (declare_return_variable): Remove always-true test.
2236 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2237 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2238 * ipa-split.c (split_function): Skip the return value for the split
2239 part if it doesn't return.
2241 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2243 PR tree-optimization/49642
2244 * ipa-split.c (forbidden_dominators): New variable.
2245 (check_forbidden_calls): New function.
2246 (dominated_by_forbidden): Likewise.
2247 (consider_split): Check for forbidden dominators.
2248 (execute_split_functions): Initialize and free forbidden
2249 dominators info; call check_forbidden_calls.
2251 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2253 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2255 2012-01-11 Nick Clifton <nickc@redhat.com>
2257 * config/rx/rx.md (return): Define pattern.
2259 2012-01-11 Richard Guenther <rguenther@suse.de>
2261 * doc/extend.texi (malloc attribute): Adjust according to
2264 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2265 Patrick Marlier <patrick.marlier@gmail.com>
2268 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2269 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2270 (ipa_tm_note_irrevocable): Same.
2271 (ipa_tm_scan_irr_block): Same.
2272 (ipa_tm_decrement_clone_counts): Same.
2273 (ipa_tm_scan_irr_function): Same.
2274 (ipa_tm_create_version_alias): Same.
2275 (ipa_tm_create_version): Same.
2276 (ipa_tm_transform_calls_redirect): Same.
2277 (ipa_tm_transform_calls): Same.
2278 (ipa_tm_transform_transaction): Same.
2279 (ipa_tm_execute): Same.
2281 2012-01-10 Richard Guenther <rguenther@suse.de>
2284 * opts.c (common_handle_option): Handle -Werror.
2286 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2288 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2291 2012-01-10 Jason Merrill <jason@redhat.com>
2293 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2296 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2298 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2299 supports R_386_TLS_GD_PLT reloc.
2300 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2301 supports R_386_TLS_LDM_PLT reloc.
2302 * configure: Regenerate.
2303 * config.in: Regenerate.
2305 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2308 Extend __pgmx semantics to linearize memory.
2309 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2310 determine if code comes inline or from libgcc.
2311 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2312 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2313 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2314 (movmemx_qi, movmemx_hi): New insns.
2315 (xload_<mode>_libgcc): Rewrite to new insn condition.
2316 (xload_<mode>): Remove insns.
2317 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2318 cases that don't satisfy avr_xload_libgcc_p().
2319 (avr_addr_space_convert): Allow converting in any direction.
2320 (avr_addr_space_subset_p): Return always true.
2321 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2322 (avr_emit_movmemhi): Ditto.
2323 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2324 (avr_out_movmem): Ditto.
2325 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2326 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2327 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2328 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2329 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2331 2012-01-10 Richard Guenther <rguenther@suse.de>
2333 PR tree-optimization/50913
2334 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2335 Require data-refs to be representable by Graphite with respect
2338 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2340 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2341 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2343 2012-01-10 Tom de Vries <tom@codesourcery.com>
2345 PR rtl-optimization/51271
2346 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2347 handling annulled branch.
2349 2012-01-10 Richard Henderson <rth@redhat.com>
2351 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2352 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2353 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2354 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2355 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2356 arm_expand_vec_perm_const): New.
2357 * config/arm/arm-protos.h: Update.
2358 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2359 (*neon_vswp<VDQX>): New.
2360 (neon_vcombine<VDX>): Use neon_split_vcombine.
2361 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2362 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2363 (vec_perm<VE>): New.
2365 2012-01-10 Richard Henderson <rth@redhat.com>
2367 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2368 use it if reload_completed.
2369 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2370 arm_output_asm_insn, arm_process_output_memory_barrier,
2371 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2372 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2373 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2374 arm_process_output_sync_insn, arm_output_sync_insn,
2375 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2376 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2377 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2378 (emit_unlikely_jump): New.
2379 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2380 (arm_split_atomic_op): New.
2381 * config/arm/arm-protos.h: Update.
2382 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2383 (struct arm_sync_generator): Remove.
2384 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2385 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2386 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2387 (VUNSPEC_LL, VUNSPEC_SC): New.
2388 (sync_result, sync_memory, sync_required_value, sync_new_value,
2389 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2390 (attr length): Don't use arm_sync_loop_insns.
2391 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2392 (movsfcc, movdfcc): Likewise.
2393 * config/arm/constraints.md (Ua): New.
2394 * config/arm/prediates.md (mem_noofs_operand): New.
2395 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2396 (sync_clobber, sync_t2_reqd): Remove.
2397 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2398 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2399 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2400 (arm_sync_compare_and_swap<SIDI>): Remove.
2401 (arm_sync_compare_and_swap<NARROW>): Remove.
2402 (arm_sync_lock_test_and_set<SIDI>): Remove.
2403 (arm_sync_lock_test_and_set<NARROW>): Remove.
2404 (arm_sync_new_<syncop><SIDI>): Remove.
2405 (arm_sync_new_<syncop><NARROW>): Remove.
2406 (arm_sync_new_nand<SIDI>): Remove.
2407 (arm_sync_new_nand<NARROW>): Remove.
2408 (arm_sync_old_<syncop><SIDI>): Remove.
2409 (arm_sync_old_<syncop><NARROW>): Remove.
2410 (arm_sync_old_nand<SIDI>): Remove.
2411 (arm_sync_old_nand<NARROW>): Remove.
2412 (*memory_barrier): Merge arm_output_memory_barrier.
2413 (atomic_compare_and_swap<QHSD>): New.
2414 (atomic_compare_and_swap<NARROW>_1): New.
2415 (atomic_compare_and_swap<SIDI>_1): New.
2416 (atomic_exchange<QHSD>): New.
2417 (cas_cmp_operand, cas_cmp_str): New.
2418 (atomic_op_operand, atomic_op_str): New.
2419 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2420 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2421 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2422 (arm_load_exclusive<NARROW>): New.
2423 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2424 (arm_store_exclusive<QHSD>): New.
2426 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2428 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2429 reload patterns if -mvsx-scalar-memory.
2431 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2432 generated, even -mno-vsx-scalar-double was used.
2433 (vsx_xscvdpsp_scalar): Likewise.
2434 (vsx_xscvspdp_scalar2): Likewise.
2436 2012-01-09 Tom de Vries <tom@codesourcery.com>
2437 Andrew Pinski <apinski@cavium.com>
2440 * reorg.c (fill_slots_from_thread): Don't speculate
2441 frame-related insns.
2443 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2445 * sched-int.h (bb_note): Move to...
2446 * basic-block.h: ...here.
2447 * haifa-sched.c (bb_note): Move to...
2448 * cfgrtl.c: ...here.
2449 * function.c (next_block_for_reg): New function.
2450 (move_insn_for_shrink_wrap): Likewise.
2451 (prepare_shrink_wrap): Rewrite to use the above.
2453 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2455 * gimple.c (is_gimple_non_addressable): Remove.
2456 * gimple.h: Remove is_gimple_non_addressable.
2457 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2458 is_gimple_non_addressable.
2459 * trans-mem.c (expand_assign_tm): Same.
2461 2012-01-09 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/51775
2464 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2465 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2467 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2469 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2471 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2473 2012-01-09 Richard Guenther <rguenther@suse.de>
2475 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2477 2012-01-08 Jan Hubicka <jh@suse.cz>
2479 PR tree-optimize/51680
2480 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2481 on when known_vals needs to be computed; cleanup.
2483 2012-01-08 Jan Hubicka <jh@suse.cz>
2485 PR tree-optimize/51694
2486 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2488 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2490 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2491 for -std=c++98 and -std=c++11 too.
2493 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2495 * cfgloop.c (cancel_loop): Add free() of bbs array.
2497 2012-01-07 Jan Hubicka <jh@suse.cz>
2499 PR tree-optimization/51600
2500 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2501 that benefits small functions.
2503 2012-01-07 Jan Hubicka <jh@suse.cz>
2505 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2507 2012-01-07 Jan Hubicka <jh@suse.cz>
2509 PR tree-optimization/51680
2510 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2511 whose inlining reduce unit size.
2513 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2516 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2517 Add canonical node to containing_mem chain after the non-canonical
2518 one, even if there weren't any locs to propagate.
2519 (remove_useless_values): Keep only canonical values.
2520 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2521 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2522 canonicalize mem_chain elements that are not discarded.
2524 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2527 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2528 before emitting functions.
2530 PR gcov-profile/50127
2531 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2532 clear_aux_for_blocks.
2534 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2537 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2539 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2541 * c-decl.c (ext_block): Moved up.
2542 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2544 2012-01-06 Han Shen <shenhan@google.com>
2546 Translate built-in include paths for sysroot.
2547 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2548 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2550 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2551 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2553 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2554 control whether sysroot should be prepended to gxx include dir.
2556 * configure: Regenerate.
2558 2012-01-06 Torvald Riegel <triegel@redhat.com>
2560 PR rtl-optimization/51771
2561 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2562 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2564 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2566 PR tree-optimization/51315
2567 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2568 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2570 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2573 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2574 for shrp pattern. Correctly handle and fixup shift variable.
2575 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2577 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2580 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2581 note when !ACCUMULATE_OUTGOING_ARGS.
2583 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2585 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2587 (extract_range_from_unary_expr_1): Avoid useless computations.
2589 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2591 PR rtl-optimization/51767
2592 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2593 of jump_block and add an extra edge for degenerated asm gotos.
2596 * stmt.c (check_unique_operand_names): Don't ICE during error
2597 reporting if i is from labels chain.
2600 * profile.c (branch_prob): Split bbs that have exit edge
2601 and need a fake entry edge too.
2603 2012-01-05 Jan Hubicka <jh@suse.cz>
2606 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2609 2012-01-05 Richard Guenther <rguenther@suse.de>
2612 * tree-streamer-out.c (write_ts_optimization): New function.
2613 (streamer_write_tree_body): Call it.
2614 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2615 (streamer_read_tree_body): Call it.
2616 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2618 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2621 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2622 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2623 in_cleanup_point_expr before gimplify_stmt call and restore it
2625 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2626 in_cleanup_point_expr is false.
2628 2012-01-05 Richard Guenther <rguenther@suse.de>
2631 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2633 * toplev.c (process_options): Reject combining mudflap and LTO.
2634 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2636 2012-01-05 Richard Guenther <rguenther@suse.de>
2638 PR tree-optimization/51760
2639 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2641 (bit_value_unop): Handle UNDEFINED operands.
2642 (bit_value_binop): Likewise.
2644 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2646 * config/avr/avr.c (avr_replace_prefix): Remove.
2647 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2648 (avr_asm_function_rodata_section): Ditto.
2649 (avr_asm_select_section): Ditto.
2651 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2653 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2656 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2659 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2660 calls that have any non-fake successor edges.
2663 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2665 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2667 PR tree-optimization/51624
2668 * tree-sra.c (build_ref_for_model): When replicating a chain of
2669 COMPONENT_REFs, stop as soon as the offset would become negative.
2671 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2674 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2675 in .debug_loc on the floor.
2677 2012-01-04 Andrew Pinski <apinski@cavium.com>
2679 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2681 2012-01-04 Andrew Pinski <apinski@cavium.com>
2682 Adam Nemet <anemet@caviumnetworks.com>
2684 * config/mips/mips.md (size): Add SI and DI.
2685 (SIZE): New mode attribute.
2686 (U): New code attribute.
2687 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2688 (mips_lbux_<mode>): Delete.
2689 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2690 (mips_lhx): Use gen_mips_lhx_extsi.
2691 (mips_lhx_<mode>): Delete.
2693 (mips_l<size>x): New expand.
2694 (mips_lwx_<mode>): Delete.
2695 (mips_l<GPR:size>x_<P:mode>): New pattern.
2696 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2697 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2698 * config/mips/mips.c (mips_lx_address_p): New function.
2699 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2700 (dsp64): New availability predicate.
2701 (mips_builtins): Add an entry for __builtin_mips_ldx.
2702 * config/mips/mips.h (ISA_HAS_LBX): New define.
2703 (ISA_HAS_LBUX): Likewise.
2704 (ISA_HAS_LHX): Likewise.
2705 (ISA_HAS_LHUX): Likewise.
2706 (ISA_HAS_LWX): Likewise.
2707 (ISA_HAS_LWUX): Likewise.
2708 (ISA_HAS_LDX): Likewise.
2709 * doc/extend.texi (__builtin_mips_ldx): Document.
2711 2012-01-04 Tristan Gingold <gingold@adacore.com>
2713 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2714 when long pointers are used.
2715 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2716 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2717 (ia64-hp-*vms*): Remove.
2718 * config/vms/xm-vms64.h: Delete.
2720 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2723 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2725 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2727 * opts.c (finish_options): Remove duplicate sorry.
2729 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2732 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2735 2012-01-04 Richard Guenther <rguenther@suse.de>
2738 * tree.c (size_low_cst): New function.
2739 * tree.h (size_low_cst): Declare.
2740 * fold-const.c (fold_comparison): Use it to extract the low
2741 part of the POINTER_PLUS_EXPR offset.
2743 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2745 Fix clearing ZERO_REG
2746 * config/avr/avr.md (cc): Add alternative "ldi".
2747 (movqi_insn): Use it in cc attribute.
2748 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2749 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2750 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2752 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2754 * configure: Regenerate.
2756 2012-01-04 Richard Guenther <rguenther@suse.de>
2758 PR tree-optimization/49651
2759 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2760 (var_can_have_subvars): Use it.
2761 (get_constraint_for_1): Only consider subfields if there can be any.
2763 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2766 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2767 to its new canonical_cselib_val and the cselib_val was in
2768 first_containing_mem chain, but the canonical_cselib_val was not,
2769 add the latter into the chain.
2770 (cselib_invalidate_mem): Compare canonical_cselib_val of
2771 addr_list chain elt with v.
2774 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2775 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2777 (output_macinfo_op): Don't ggc_strdup fd->filename.
2778 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2779 then ggc_strdup it. Don't free inc->info or cur->info.
2780 (output_macinfo): Don't free ref->info or file->info.
2782 2012-01-03 Ira Rosen <irar@il.ibm.com>
2784 PR tree-optimization/51269
2785 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2786 first_niters a pointer.
2787 (slpeel_tree_peel_loop_to_edge): Likewise.
2788 (vect_do_peeling_for_loop_bound): Update call to
2789 slpeel_tree_peel_loop_to_edge.
2790 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2791 here. Remove it from the parameters list.
2792 (vect_do_peeling_for_alignment): Update calls and compute
2795 2012-01-03 Richard Guenther <rguenther@suse.de>
2797 PR tree-optimization/51070
2798 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2799 Properly handle calls.
2801 2012-01-03 Richard Guenther <rguenther@suse.de>
2803 PR tree-optimization/51692
2804 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2805 the LHS of allocation stmts.
2807 2012-01-03 Olivier Hainque <hainque@adacore.com>
2809 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2811 2012-01-03 Olivier Hainque <hainque@adacore.com>
2813 * collect2.c (main): In AIX specific computations for vector
2814 insertions, use CONST_CAST2 to cast from char ** to const char **.
2816 2012-01-03 Richard Guenther <rguenther@suse.de>
2819 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2820 the context of a limbo DIE when it does not already exist.
2822 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2824 PR tree-optimization/51719
2825 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2826 but direct call is, clear direct call's lhs and don't add fallthrough
2827 edge from dcall_bb to join_bb and PHIs.
2829 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2831 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2832 the instructions emitted by the pattern.
2833 ("*TDC_insn_<mode>"): Add comment.
2835 2012-01-03 Richard Guenther <rguenther@suse.de>
2838 * fold-const.c (fold_comparison): Properly canonicalize
2839 tree offset and HOST_WIDE_INT bit position.
2841 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2843 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2844 operands for extzv pattern.
2846 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2849 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2852 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2854 * doc/invoke.texi (-flto and related options): Copy-edit.
2856 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2858 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2860 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2862 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2865 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2867 * expr.h (move_by_pieces_ninsns): Declare.
2868 * expr.c (move_by_pieces_ninsns): Make external.
2869 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2870 (mips_store_by_pieces_p): Likewise.
2871 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2872 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2873 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2874 (mips_store_by_pieces_p): Likewise.
2876 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2878 * passes.c (register_one_dump_file): Free full_name.
2880 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2881 (calculate_elim_costs_all_insns): Free offsets_at and
2882 offsets_known_at at the end and clear the pointers.
2884 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2886 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2887 this option introduced in r180739.
2889 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2892 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2893 (tmake_file target=avr): Add avr/t-multilib.
2895 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2896 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2897 * config/avr/genmultilib.awk: New file.
2898 * config/avr/t-multilib: New auto-generated file.
2899 * config/avr/multilib.h: New auto-generated file.
2900 * config/avr/t-avr (AVR_MCUS): New variable.
2901 (genopt.sh): Use it.
2902 (s-mlib): Depend on t-multilib.
2903 (t-multilib, multilib.h): New dependencies.
2904 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2905 (MULTILIB_OPTIONS): Remove.
2906 (MULTILIB_MATCHES): Remove.
2907 (MULTILIB_DIRNAMES): Remove.
2908 (MULTILIB_EXCEPTIONS): Remove:
2909 * config/avr/genopt.sh: Don't use hard coded file name;
2910 pass AVR_MCUS from t-avr instead.
2912 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2914 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2916 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2918 Implement light-weight DImode support.
2919 * config/avr/avr-dimode.md: New file.
2920 * config/avr/avr.md: Include it.
2921 (adjust_len): Add plus64, compare64.
2922 (HIDI): Remove code iterator.
2923 (code_stdname): New code attribute.
2924 (rotx, rotsmode): Remove DI.
2925 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2927 * config/avr/avr-protos.h (avr_have_dimode): New.
2928 (avr_out_plus64, avr_out_compare64): New.
2929 * config/avr/avr.c (avr_out_compare): Handle DImode.
2930 (avr_have_dimode): New variable definition and initialization.
2931 (avr_out_compare64, avr_out_plus64): New functions.
2932 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2933 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2934 (avr_compare_pattern): Skip DImode comparisons.
2936 2012-01-02 Revital Eres <revital.eres@linaro.org>
2938 * ddg.c (def_has_ccmode_p): New function.
2939 (add_cross_iteration_register_deps,
2940 create_ddg_dep_from_intra_loop_link): Call it.
2942 2012-01-02 Richard Guenther <rguenther@suse.de>
2945 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2947 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2949 * gcc.c (process_command): Update copyright notice dates.
2950 * gcov.c (print_version): Likewise.
2951 * gcov-dump.c (print_version): Likewise.
2952 * mips-tfile.c (main): Likewise.
2953 * mips-tdump.c (main): Likewise.
2955 2012-01-01 Ira Rosen <irar@il.ibm.com>
2957 PR tree-optimization/51704
2958 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2959 a use is inside the basic block or loop before accessing its vect info.
2961 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2963 PR rtl-optimization/51069
2964 * cfgloopmanip.c (remove_path): Removing path making irreducible
2965 region unconditional makes BB part of the region.
2967 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2969 PR tree-optimization/51683
2970 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2971 calls with side-effects.
2972 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2974 Copyright (C) 2012 Free Software Foundation, Inc.
2976 Copying and distribution of this file, with or without modification,
2977 are permitted in any medium without royalty provided the copyright
2978 notice and this notice are preserved.