1 2012-02-24 Richard Guenther <rguenther@suse.de>
4 * passes.c (execute_function_todo): When verifying SSA form
5 verify gimple form first.
6 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
8 2012-02-24 Richard Guenther <rguenther@suse.de>
11 * fold-const.c (fold_addr_of_array_ref_difference): New function.
12 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j]
15 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
17 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
19 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
21 * tree-phinodes.c (make_phi_node): Mark static.
22 * tree-flow.h (make_phi_node): Remove extern decl.
23 * doc/gimple.texi (make_phi_node): Remove documentation.
25 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
27 * tree-into-ssa (update_ssa): Avoid trailing whitespace in
29 * tree-ssa-sccvn.c (print_scc): Ditto.
31 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
33 * doc/passes.texi (Full redundancy elimination): Fix typo.
35 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
37 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
39 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
42 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
44 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
47 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
49 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
51 * config/avr/avr.md (code_stdname): Add ior, xor.
52 (xior): New code iterator.
53 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
54 (*<code_stdname><mode>qi.byte1-3): Ditto.
56 2012-02-23 Jakub Jelinek <jakub@redhat.com>
58 PR tree-optimization/52019
59 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
62 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
64 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
65 HAVE_INITFINI_ARRAY to work around namespace pollution in
66 certain versions of newlib system headers.
67 * config.in: Regenerate.
68 * configure: Regenerate.
69 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
70 instead of HAVE_INITFINI_ARRAY.
72 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
75 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
76 is not offsettable memory reference.
78 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
81 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
82 setting avr_need_clear_bss_p for __gnu_lto* symbols.
84 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
86 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
87 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
89 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
91 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
92 library on Solaris 8 even without TLS support.
93 * configure: Regenerate.
95 2012-02-22 Richard Guenther <rguenther@suse.de>
98 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
99 for GIMPLE_DEBUG stmts.
101 2012-02-22 Martin Jambor <mjambor@suse.cz>
104 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
105 according to the base object.
107 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
109 PR rtl-optimization/50063
110 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
111 and 2 (8-bit SP) in operand 2.
112 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
113 setup to use movhi_sp_r instead of vanilla move to write SP.
114 Adjust REG_CFA notes to superseed unspec.
115 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
117 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
118 known to be off) only with TARGET_NO_INTERRUPTS. Never use
119 irq_state 1 (IRQ known to be on) here.
121 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
123 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
125 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
126 assign_hard_reg): Likewise.
128 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
130 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
132 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
135 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
136 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
138 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
140 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
141 prototype from here to...
142 * config/avr/avr.h: ...here.
144 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
147 * thumb2.md (thumb2_shiftsi3_short): Split register and
148 immediate shifts. For register shifts tie operands 0 and 1.
149 (peephole2 for above): Check that register-controlled shifts
150 have suitably tied operands.
152 2012-02-21 Quentin Neill <quentin.neill@amd.com>
155 * config/i386/bdver1.md (bdver1_call, bdver1_push,
156 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
157 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
158 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
159 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
160 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
161 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
162 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
163 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
164 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
165 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
166 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
167 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
168 bdver1_ssevector_avx256_unaligned_load,
169 bdver1_ssevector_sse128_unaligned_load,
170 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
171 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
172 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
173 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
174 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
175 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
176 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
177 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
178 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
179 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
180 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
181 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
182 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
183 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
184 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
185 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
186 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
187 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
188 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
189 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
190 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
191 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
192 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
193 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
194 bdver1_ssediv_double_load, bdver1_ssediv_double,
195 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
196 Add "bdver2" attribute.
198 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
200 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
201 default if possible and not specified otherwise.
203 2012-02-21 Richard Guenther <rguenther@suse.de>
206 * gimplify.c (create_tmp_from_val): Use the main variant type
207 for the type of the temporary we create.
209 2012-02-21 Richard Guenther <rguenther@suse.de>
211 PR tree-optimization/52324
212 * gimplify.c (gimplify_expr): When re-gimplifying expressions
213 do not gimplify a MEM_REF address operand if it is already
216 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
218 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
219 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
221 2012-02-21 Richard Guenther <rguenther@suse.de>
223 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
226 2012-02-21 Jakub Jelinek <jakub@redhat.com>
228 PR tree-optimization/52318
229 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
230 vdef also to non-pure/const call stmts in the sequence.
232 2012-02-20 David S. Miller <davem@davemloft.net>
234 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
235 don't use the "rd %pc" instruction on v9 for PIC register loads.
237 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
240 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
241 in a transaction safe function.
243 2012-02-20 Kai Tietz <ktietz@redhat.com>
246 * stor-layout.c (place_field): Handle desired_align for
249 2012-02-20 Richard Guenther <rguenther@suse.de>
251 PR tree-optimization/52298
252 * tree-vect-stmts.c (vectorizable_store): Properly use
253 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
255 (vectorizable_load): Likewise.
256 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
257 Access DR_STEP after ensuring it is not NULL.
259 2012-02-20 Jakub Jelinek <jakub@redhat.com>
261 PR tree-optimization/52286
262 * fold-const.c (fold_binary_loc): For (X & C1) | C2
263 optimization use double_int_to_tree instead of build_int_cst_wide,
264 rewrite to use double_int vars.
266 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
269 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
271 Remove -e 0 from $gcc_cv_ld invocation.
272 Only use __GLIBC_PREREQ if defined.
273 Enable on Solaris since Solaris 8 patch.
274 (gcc_SUN_LD_VERSION): New macro.
275 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
276 gcc_SUN_LD_VERSION for version number format.
277 * configure: Regenerate.
278 * varasm.c (get_elf_initfini_array_priority_section): Set
279 SECTION_NOTYPE for non-default priority.
280 Use get_section instead of get_unnamed_section to emit
281 .init_array/.fini_array with default priority.
283 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
285 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
286 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
287 (mips_start_unique_function, mips_output_mips16_rdhwr)
288 (mips_code_end): New functions.
289 (TARGET_ASM_CODE_END): Define.
291 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
293 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
294 to stubs with non-sibling calls.
296 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
298 * doc/invoke.texi (-fira-* options): Copy-edit.
299 (ira-* parameters): Copy-edit.
301 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
303 * doc/invoke.texi: Minor copy-edits to bring into conformance with
304 GCC coding conventions.
306 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
308 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
309 when used as adjectives.
311 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
313 * doc/invoke.texi: Clean up "that"/"which" confusion.
315 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
317 * system.h: Poison SMALL_REGISTER_CLASSES
318 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
319 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
321 2012-02-16 Jakub Jelinek <jakub@redhat.com>
323 PR tree-optimization/52285
324 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
325 when deciding if a call is a tail call or tail recursion.
327 2012-02-16 Kai Tietz <ktietz@redhat.com>
329 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
330 interger-constant displacement for UNSPEC_PCREL.
332 2012-02-16 Jakub Jelinek <jakub@redhat.com>
334 PR rtl-optimization/52208
335 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
336 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
338 PR tree-optimization/52255
339 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
340 loop->header has virtual PHI, but exit_e->dest doesn't, add
341 virtual PHI to exit_e->dest and adjust all uses after the loop.
344 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
345 children with clone_tree_hash, not after it.
347 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
349 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
350 extended identifiers.
352 2012-02-16 Jakub Jelinek <jakub@redhat.com>
355 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
356 a same_body_alias, also test whether e->callee isn't a former
357 or current clone of the decl this is a same body alias of.
360 * cgraphunit.c (verify_cgraph_node): Fix a typo.
362 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
364 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
366 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
369 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
370 force_reg instead of copy_to_reg for better optimization. Force
371 non-register or memory operands into a register.
373 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
375 * extend.texi: Reserve upper bits of memory model for future use.
377 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
378 Anatoly Sokolov <aesok@post.ru>
379 Eric Weddington <eric.weddington@atmel.com>
382 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
383 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
384 Rewrite initializers for .macro.
385 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
386 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
387 atxmega32d4, atxmega32x1.
388 avrxmega4: atxmega64a3, atxmega64d3.
389 avrxmega5: atxmega64a1, atxmega64a1u.
390 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
391 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
392 avrxmega7: atxmega128a1, atxmega128a1u.
393 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
394 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
395 (struct base_arch_s): Rename reserved to xmega_p.
396 Rename reserved2 to have_rampd.
397 (AVR_XMEGA): New define.
398 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
399 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
400 * config/avr/predicates.md (io_address_operand): Take into
402 (low_io_address_operand): Ditto.
403 (high_io_address_operand): Ditto.
404 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
405 (enabled, movhi_sp_r): Use them.
406 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
407 cpp_define_formatted to built-in define __AVR_ARCH__.
408 (__AVR_XMEGA__): New built-in define.
409 (__AVR_HAVE_RAMPD__): New built-in define.
410 (__AVR_HAVE_RAMPX__): New built-in define.
411 (__AVR_HAVE_RAMPY__): New built-in define.
412 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
414 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
415 (avr_option_override): Initialize them.
416 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
417 (avr_init_expanders): Initialize them. No more block several calls.
418 (emit_push_sfr): New static function.
419 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
421 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
422 (avr_print_operand): Print addreeses as symbols for
423 RAMPX, RAMPY, RAMPD, CCP.
424 (output_movhi): Handle AVR_XMEGA when writing to SP.
425 (avr_out_movhi_mr_r_xmega): New static function.
426 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
427 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
428 __RAMPD__, __CCP__ as needed.
430 * config/avr/multilib.h: Regenerate.
431 * config/avr/t-multilib: Regenerate.
432 * config/avr/avr-tables.opt: Regenerate.
434 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
436 PR tree-optimization/50561
437 * graphite-flattening.c (lst_project_loop): Do not
438 remove old scattering dimensions after flattening.
439 (lst_do_flatten): Likewise.
441 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
443 * doc/extend.texi (AVR Built-in Functions): Remove doc for
444 __builtin_avr_map8, __builtin_avr_map16.
445 Document __builtin_avr_insert_bits.
447 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
448 (insert_bits): New insn.
449 (adjust_len.map_bits): Rename to insert_bits.
450 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
451 * avr-protos.h (avr_out_map_bits): Remove.
452 (avr_out_insert_bits, avr_has_nibble_0xf): New.
453 * config/avr/constraints.md (Cxf,C0f): New.
454 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
455 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
456 New built-in define __BUILTIN_AVR_INSERT_BITS.
457 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
458 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
459 (avr_move_bits): Rewrite.
460 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
462 (avr_map_op_t): New typedef.
463 (avr_map_op): New static variable.
464 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
465 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
466 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
467 (bdesc_3arg, avr_expand_triop_builtin): New.
468 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
469 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
470 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
471 (avr_map_equal_p, avr_map_sig_p): Remove.
472 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
473 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
474 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
475 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
476 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
477 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
479 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
481 * config/c6x/c6x.md (reserve_cycles): New attribute.
482 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
483 don't reserve functional units after the branch occurs.
485 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
488 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
489 functions into non-tm_pure functions.
491 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
494 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
495 (iterative_hash_canonical_type): Likewise.
496 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
499 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
501 * haifa-sched.c (prune_ready_list): Ensure that if there is a
502 sched-group insn, it either remains alone or the entire list is pruned.
504 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
506 * doc/install.texi (Prerequisites): Fix grammar.
507 (Configuration): Likewise.
509 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
511 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
512 MPC as part of GCC before describing configuring with --with-gmp etc.
513 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
516 2012-02-14 Jakub Jelinek <jakub@redhat.com>
519 * dwarf2out.c (clone_tree_hash): New function.
520 (copy_decls_walk): Use it instead of clone_tree.
522 2012-02-14 Richard Guenther <rguenther@suse.de>
524 PR tree-optimization/52244
525 PR tree-optimization/51528
526 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
527 replacements for integral types.
529 2012-02-14 Walter Lee <walt@tilera.com>
531 * config.gcc: Handle tilegx and tilepro.
532 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
534 Add HAVE_AS_TLS check for tilegx and tilepro.
535 * configure: Regenerate.
536 * doc/contrib.texi: Add Mat Hostetter and self.
537 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
538 Document instruction intrinsics and network accessing intrinsics.
539 (TILEPro Built-in Functions): New node. Document instruction
540 intrinsics and network accessing intrinsics.
541 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
542 (Specific, tilepro-*-linux*): Likewise.
543 * doc/invoke.texi (TILE-Gx Options): New section.
544 (TILEPro Options): New section.
545 * doc/md.texi (TILE-Gx): New section.
546 (TILEPro): New section.
547 * common/config/tilegx/tilegx-common.c: New file.
548 * common/config/tilepro/tilepro-common.c: New file.
549 * config/tilegx/constraints.md: New file.
550 * config/tilegx/linux.h: New file.
551 * config/tilegx/mul-tables.c: New file.
552 * config/tilegx/predicates.md: New file.
553 * config/tilegx/sync.md: New file.
554 * config/tilegx/t-tilegx: New file.
555 * config/tilegx/tilegx-builtins.h: New file.
556 * config/tilegx/tilegx-c.c: New file.
557 * config/tilegx/tilegx-generic.md: New file.
558 * config/tilegx/tilegx-modes.def: New file.
559 * config/tilegx/tilegx-multiply.h: New file.
560 * config/tilegx/tilegx-protos.h: New file.
561 * config/tilegx/tilegx.c: New file.
562 * config/tilegx/tilegx.h: New file.
563 * config/tilegx/tilegx.md: New file.
564 * config/tilegx/tilegx.opt: New file.
565 * config/tilepro/constraints.md: New file.
566 * config/tilepro/gen-mul-tables.cc: New file.
567 * config/tilepro/linux.h: New file.
568 * config/tilepro/mul-tables.c: New file.
569 * config/tilepro/predicates.md: New file.
570 * config/tilepro/t-tilepro: New file.
571 * config/tilepro/tilepro-builtins.h: New file.
572 * config/tilepro/tilepro-c.c: New file.
573 * config/tilepro/tilepro-generic.md: New file.
574 * config/tilepro/tilepro-modes.def: New file.
575 * config/tilepro/tilepro-multiply.h: New file.
576 * config/tilepro/tilepro-protos.h: New file.
577 * config/tilepro/tilepro.c: New file.
578 * config/tilepro/tilepro.h: New file.
579 * config/tilepro/tilepro.md: New file.
580 * config/tilepro/tilepro.opt: New file.
582 2012-02-14 Jakub Jelinek <jakub@redhat.com>
584 PR tree-optimization/52210
585 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
586 vect_model_simple_cost with two entry vect_def_type array instead
589 2012-02-14 Richard Guenther <rguenther@suse.de>
592 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
593 Do not stream DECL_QUALIFIER.
594 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
595 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
596 (find_decls_types_r): Do not walk DECL_QUALIFIER.
598 2012-02-14 Jakub Jelinek <jakub@redhat.com>
601 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
604 2012-02-13 Jakub Jelinek <jakub@redhat.com>
607 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
608 * cselib.c (cselib_subst_to_values_from_insn): New function.
609 * sched-deps.c (add_insn_mem_dependence,
610 sched_analyze_1, sched_analyze_2): Use it.
612 2012-02-13 Jan Hubicka <jh@suse.cz>
615 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
617 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
619 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
620 (GTM_SELF_SPECS): Define if not already defined.
621 (driver_self_specs): Add GTM_SELF_SPECS.
622 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
623 (GTM_SELF_SPECS): Define.
624 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
625 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
627 2012-02-13 Jakub Jelinek <jakub@redhat.com>
629 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
632 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
635 * omp-low.c (expand_omp_for): If a static schedule without chunk size
636 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
638 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
641 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
643 2012-02-13 Richard Guenther <rguenther@suse.de>
646 * passes.c (enable_disable_pass): Fix typo.
648 2012-02-13 Jakub Jelinek <jakub@redhat.com>
651 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
652 XOR for reduce_bit_field if type is unsigned.
654 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
656 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
657 disallow changes from SFmode to mode with different size in FP regs.
659 2012-02-12 Robert Millan <rmh@gnu.org>
660 Gerald Pfeifer <gerald@pfeifer.com>
662 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
665 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
667 PR rtl-optimization/52175
668 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
669 to frame-related instructions.
671 2012-02-10 Jason Merrill <jason@redhat.com>
674 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
675 (demangle_new_symbols): Fill it.
676 (scan_linker_output): Walk it.
677 (start_tweaking): Split out from scan_linker_output.
678 (maybe_tweak): Update sym->chosen.
679 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
681 2012-02-11 Jakub Jelinek <jakub@redhat.com>
684 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
686 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
688 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
689 having the same mode as previous compare.
691 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
693 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
694 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
695 (nonlocal_goto_internal): Likewise.
696 (nonlocal_goto): Emit a use and an indirect jump directly.
698 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
701 * doc/extend.texi : Update comments for __atomic_compare_exchange and
702 __atomic_{is,always}_lock_free.
704 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
707 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
708 negative constant address for x32.
710 2012-02-10 Richard Henderson <rth@redhat.com>
712 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
713 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
714 for GIMPLE_TRANSACTION. Tidy if's into a switch.
716 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
717 Ira Rosen <irar@il.ibm.com>
719 PR tree-optimization/50031
720 * targhooks.c (default_builtin_vectorization_cost): Handle
722 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
723 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
724 all types of reduction and pattern statements.
725 (vect_estimate_min_profitable_iters): Likewise.
726 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
727 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
728 for explicit realigns.
729 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
730 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
732 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
733 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
734 vec_perm for VSX and handle vec_promote_demote.
736 2012-02-10 Jakub Jelinek <jakub@redhat.com>
739 * builtins.c (fold_builtin_atomic_always_lock_free,
740 expand_builtin_atomic_always_lock_free,
741 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
742 Return and/or test boolean_true_node/boolean_false_node instead of
743 integer_one_node/integer_zero_node.
745 2012-02-10 Jan Hubicka <jh@suse.cz>
748 * predict.c (predict_paths_for_bb): Prevent looping.
749 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
751 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
753 * config/arm/arm.c (output_move_double): In one case properly
754 count number of instructions that will be emitted.
756 2012-02-10 Richard Guenther <rguenther@suse.de>
759 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
761 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
764 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
766 2012-02-09 Jakub Jelinek <jakub@redhat.com>
769 * var-tracking.c (emit_note_insn_var_location): If
770 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
771 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
772 non-NOTE_DURING_CALL_P insn.
774 2012-02-09 Bin Cheng <bin.cheng@arm.com>
777 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
779 2012-02-08 Magnus Granberg <zorry@gentoo.org>
782 * gcc.c (switch_matches) Support switches with separated form,
785 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
787 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
790 * config/avr/avr.c (avr_addr_t): New typedef.
791 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
792 (avr_init_expanders): Initialize it.
793 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
795 (expand_epilogue): Ditto.
796 (avr_print_operand): Ditto.
797 (avr_file_start): Ditto.
798 (avr_emit_movmemhi): Ditto.
800 2012-02-08 Richard Guenther <rguenther@suse.de>
802 PR tree-optimization/46886
803 * tree-flow.h (do_while_loop_p): Declare.
804 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
805 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
807 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
809 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
810 always succeed for integers larger than a native word.
812 2012-02-08 Richard Guenther <rguenther@suse.de>
814 PR rtl-optimization/52170
815 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
816 properly handle integer vector modes.
818 2012-02-08 Jakub Jelinek <jakub@redhat.com>
820 PR gcov-profile/52150
821 * coverage.c: Include target.h.
822 (build_var): Call targetm.strip_name_encoding on the assembler name.
823 Change one _ into . or $ if the target allows it.
824 * Makefile.in (coverage.o): Depend on $(TARGET_H).
826 PR rtl-optimization/52139
827 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
828 is a BARRIER after emit_insn_after_noloc, move BB_END
829 to the last non-BARRIER insn before it.
831 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
834 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
835 (mips_gimplify_va_arg_expr): Call it instead of
836 std_gimplify_va_arg_expr.
838 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
840 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
841 message for -mno-pointers-to-nested-function.
843 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
846 * expr.c (get_inner_reference): If there is an offset, add a negative
847 bit position to it (if any).
849 2012-02-07 Jakub Jelinek <jakub@redhat.com>
851 PR rtl-optimization/52060
852 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
853 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
854 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
855 and/or i0src_copy2 when needed.
857 2012-02-07 Jakub Jelinek <jakub@redhat.com>
859 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
860 or LTOPLUGINSONAME if have_c.
862 * config/freebsd-spec.h: Add comment about what macros can be defined
864 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
865 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
868 2012-02-07 Richard Guenther <rguenther@suse.de>
870 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
871 newline in -alias dumps.
873 2012-02-07 Kai Tietz <ktietz@redhat.com>
874 Dave Korn <dave.korn.cygwin@gmail.com>
877 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
878 Take care that typinfo gets dllexport-attribute.
880 2012-02-07 Jakub Jelinek <jakub@redhat.com>
883 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
884 if modifier < EXPAND_SUM call force_operand on the result.
886 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
888 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
889 adding __forwarder_dst__ prefix if a forwarder_section attribute is
891 (epiphany_function_type): Replace types for specific interrupts with
892 EPIPHANY_FUNCTION_INTERRUPT.
893 (EPIPHANY_INTERRUPT_P): Update.
894 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
896 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
897 <disinterrupt>: Affects type identity.
898 (epiphany_handle_interrupt_attribute): Handle variable number of
900 (epiphany_compute_function_type): Update for new
901 epiphany_function_type definition.
902 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
903 handlers with a longcall forwarder.
904 (epiphany_start_function): Handle multiple interrupt arguments and/or
905 forwarder_section attribute.
907 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
910 2012-02-07 Alan Modra <amodra@gmail.com>
913 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
916 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
918 PR tree-optimization/50969
919 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
920 use vec_perm rather than vector_stmt.
921 (vect_model_load_cost): Likewise.
922 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
923 vec_perm to be the same as other vector statements.
924 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
925 cost of vec_perm for TARGET_VSX.
927 2012-02-06 Richard Guenther <rguenther@suse.de>
929 PR tree-optimization/52115
930 * tree-sra.c (access_has_replacements_p): New function.
931 (sra_modify_assign): Use it to decide whether a use is uninitialized.
933 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
936 * trans-mem.c (expand_call_tm): Add an assertion.
937 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
940 2012-02-06 Richard Guenther <rguenther@suse.de>
942 PR tree-optimization/50955
943 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
944 raise cost of expressions that replace an address with an
945 expression based on a different pointer.
947 2012-02-06 Jakub Jelinek <jakub@redhat.com>
950 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
951 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
953 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
956 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
957 -Weffc++ and specify guidelines come from second edition.
959 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
961 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
962 (sibcall_value_multiple_internal, call_split, call_internal_direct)
963 (call_direct_split, call_value_split, call_value_internal_direct)
964 (call_value_direct_split, call_value_multiple_split): Use jal and
965 jal_macro attributes.
967 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
969 * reload1.c (reload_regs_reach_end_p): Replace with...
970 (reload_reg_rtx_reaches_end_p): ...this function.
971 (new_spill_reg_store): Update commentary.
972 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
973 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
974 before setting new_spill_reg_store.
975 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
976 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
977 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
978 for non-spill reload registers.
980 2012-02-05 Ira Rosen <irar@il.ibm.com>
982 PR tree-optimization/52091
983 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
984 (vect_is_simple_use_1): Likewise.
985 * tree-vect-loop.c (vectorizable_reduction): Update calls
986 to vect_is_simple_use_1 and vect_is_simple_use.
987 (vectorizable_live_operation): Likewise.
988 * tree-vect-patterns.c (widened_name_p,
989 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
990 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
991 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
992 vectorizable_shift,vectorizable_operation, vectorizable_store,
993 vectorizable_load): Likewise.
994 (vect_is_simple_cond): Add an argument, pass it to
995 vect_is_simple_use_1.
996 (vectorizable_condition): Update calls to vect_is_simple_cond,
998 (vect_is_simple_use): Add an argument, the statement in which
999 OPERAND is used. Check that if OPERAND's def stmt is a double
1000 reduction phi node, the use is a phi node too.
1001 (vect_is_simple_use_1): Add an argument, pass it to
1003 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1004 to vect_is_simple_use.
1006 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1008 PR rtl-optimization/52095
1009 * modulo-sched.c (dump_insn_locator): New function.
1010 (loop_canon_p, sms_schedule): Use it.
1012 PR rtl-optimization/52113
1013 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1014 even for decomposable shift/zext insns.
1016 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1017 Zdenek Dvorak <ook@ucw.cz>
1019 PR rtl-optimization/52092
1020 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1021 on get_iv_value result.
1023 2012-02-02 Andrew Pinski <apinski@cavium.com>
1027 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1029 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1032 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1034 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1036 PR rtl-optimization/49800
1037 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1038 (sched_finish): Call regstat_free_n_sets_and_refs.
1040 2012-02-02 Jia Liu <proljc@gmail.com>
1042 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1045 2012-02-02 Jan Hubicka <jh@suse.cz>
1046 Tom de Vries <tom@codesourcery.com>
1049 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1050 * varpool.c (varpool_analyze_pending_decls): Likewise.
1052 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1053 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1055 * config.gcc: Add cr16-* support.
1057 * doc/extend.texi: Document cr16 extensions.
1058 * doc/install.texi: Document cr16 install.
1059 * doc/invoke.texi: Document cr16 options.
1060 * doc/md.texi: Document cr16 constraints.
1062 * common/config/cr16/cr16-common.c: New file.
1063 * config/cr16/cr16.c: New file.
1064 * config/cr16/cr16.h: New file.
1065 * config/cr16/cr16.md: New file.
1066 * config/cr16/cr16.opt: New file.
1067 * config/cr16/cr16-protos.h: New file.
1068 * config/cr16/predicates.md: New file.
1069 * config/cr16/constraints.md: New file.
1070 * config/cr16/t-cr16: New file.
1072 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1075 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1076 that operands[2] is either immediate, or q_regs_operand.
1078 PR tree-optimization/52073
1079 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1080 a pattern stmt for pattern uses, ignore uses outside of the loop.
1082 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1084 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1085 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1086 (OUT_AS1, OUT_AS2): Remove.
1088 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1090 PR rtl-optimization/51374
1091 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1092 to cross other volatile_refs_p insns.
1094 2012-02-01 Richard Guenther <rguenther@suse.de>
1096 * doc/invoke.texi (fno-inline): Clarify documentation.
1097 (finline-small-functions): Likewise.
1098 (finline-functions): Likewise.
1099 * common.opt (finline): Adjust comment and documentation.
1100 (finline-small-functions): Clarify documentation.
1101 (finline-functions): Likewise.
1102 (finline-functions-called-once): Likewise.
1104 2012-02-01 Tristan Gingold <gingold@adacore.com>
1106 * c-typeck.c (composite_type): Keep mode for pointers.
1108 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1110 * function.h (regno_reg_rtx): Adjust comment.
1111 * reginfo.c (init_reg_modes_target): Only use the previous mode
1112 if it fits within one register. Remove MIPS comment.
1114 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1117 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1119 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1121 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1122 to srak instruction.
1124 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1126 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1128 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1133 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1135 2012-01-31 Richard Guenther <rguenther@suse.de>
1137 PR tree-optimization/51528
1138 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1141 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1146 * ree.c (add_removable_extension): Change def_map argument
1147 to unsigned *, store in def_map 1 + offset into *insn_list vector
1148 instead of pointers into the vector.
1149 (find_removable_extensions): Adjust caller.
1151 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1153 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1154 Transform all "* quoted-c-code" to { c-code }.
1155 Remove redundant test for "optimize" in combine patterns.
1156 Move (include "avr-dimode.md") to end of file.
1158 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1161 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1162 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1164 2012-01-30 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/52028
1167 * tree-loop-distribution.c (ldist_gen): Properly update
1170 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1173 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1174 set_cur_line_info_table if not emitting debug info.
1176 PR tree-optimization/52046
1177 * tree-vect-patterns.c (check_bool_pattern): Give up if
1178 a comparison could throw.
1181 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1183 2012-01-30 Richard Guenther <rguenther@suse.de>
1185 PR tree-optimization/52045
1186 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1187 SSA form if cfgcleanup did anything.
1189 2012-01-30 Richard Guenther <rguenther@suse.de>
1191 PR tree-optimization/52045
1192 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1193 before computing final todo.
1195 2012-01-30 Richard Guenther <rguenther@suse.de>
1197 PR tree-optimization/51528
1198 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1201 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1203 * df-problems.c (df_kill_notes): Check that the use refers
1204 to the note under examination.
1206 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1209 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1210 parameter and use short-lived pseudos.
1211 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1212 (sparc_expand_vector_init): Const-ify local variables and adjust
1213 calls to above functions.
1215 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1217 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1219 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1221 * doc/invoke.texi: Make usage of "compile time" and
1222 "run time"/"runtime" consistent throughout the file.
1224 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1226 * config/alpha/alpha.c (alpha_option_override): Default to
1227 full IEEE compliance mode for Go language.
1229 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1231 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1232 (LINK_SSP_SPEC): Define.
1234 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1237 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1240 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1242 * doc/invoke.texi: Correct hyphenation of "floating point",
1243 "double precision", and related terminology throughout the file.
1245 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1248 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1249 arm_general_register_operand predicate for operand 2 instead of
1252 2012-01-27 Ian Lance Taylor <iant@google.com>
1255 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1256 * builtins.c (expand_builtin_init_trampoline): Add onstack
1257 parameter. Change caller.
1258 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1259 * tree.c (build_common_builtin_nodes): Declare
1260 __builtin_init_heap_trampoline.
1262 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1264 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1265 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1266 * config/avr/avr.c: Ditto.
1267 (avr_regnames): Remove because unused.
1268 * config/avr/avr.md (*cpse.ne): New peephole.
1269 (*cpse.eq): New peephole from former cpse peepholes.
1271 2012-01-27 Michael Eager <eager@eagercon.com>
1273 * config/microblaze.c (microblaze_emit_compare): Correct
1274 test after pcmp instruction.
1276 2012-01-27 Richard Guenther <rguenther@suse.de>
1278 PR tree-optimization/52020
1279 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1281 2012-01-27 Richard Guenther <rguenther@suse.de>
1283 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1284 function non-const/pure.
1286 2012-01-27 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/50444
1289 * tree-sra.c (build_ref_for_offset): Properly adjust the
1290 MEM_REF type for unaligned accesses.
1292 2012-01-27 Richard Guenther <rguenther@suse.de>
1294 PR tree-optimization/50444
1295 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1296 (expand_assignment): Use it. Properly handle misaligned
1297 bases when expanding stores to component references.
1298 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1301 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1304 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1305 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1306 * tree-data-ref.c (find_data_references_in_loop): Make static.
1307 (compute_all_dependences): Change return type to bool. Bail out
1308 for too many datarefs in a loop. Move the hunk resetting the data
1309 dependences vector from ...
1310 (compute_data_dependences_for_loop): ... here. Account for
1311 compute_all_dependences returning false.
1312 (compute_data_dependences_for_bb): Likewise.
1313 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1314 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1316 2012-01-27 Richard Guenther <rguenther@suse.de>
1319 * expr.c (store_field): Use the alias-set of the scratch memory
1322 2012-01-27 Tom de Vries <tom@codesourcery.com>
1324 PR tree-optimization/51990
1325 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1327 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1329 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1332 * var-tracking.c (reverse_op): Don't add any reverse operation
1333 if V already has any constant locations.
1335 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1337 * doc/invoke.texi: Correct usage of "command line" (noun)
1338 vs "command-line" (adjective) throughout.
1340 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1342 * doc/invoke.texi (Language Independent Options): Move
1343 -Wcoverage-mismatch blurb from here....
1344 (Warning Options): ...to here.
1346 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1348 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1349 Set rs6000_always_hint to false for 476.
1351 2012-01-27 Matthias Klose <doko@ubuntu.com>
1353 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1355 * incpath.c (add_standard_paths): Likewise.
1357 2012-01-27 Richard Henderson <rth@redhat.com>
1359 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1360 * config/m68k/sync.md (atomic_test_and_set): Rename from
1361 sync_test_and_setqi and adjust the operands.
1362 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1363 and unconditionally enable.
1365 2012-01-27 Richard Henderson <rth@redhat.com>
1367 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1368 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1369 (ldstub): Rename from ldstubqi.
1370 (ldstub<I24MODE>): Remove.
1372 2012-01-27 Richard Henderson <rth@redhat.com>
1374 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1375 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1376 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1377 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1378 * doc/tm.texi: Rebuild.
1380 2012-01-27 Richard Henderson <rth@redhat.com>
1382 * optabs.c (gen_atomic_test_and_set): Remove default.
1383 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1385 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1387 PR rtl-optimization/51978
1388 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1389 (combine_reaching_defs): Likewise.
1390 (struct re_info): Remove.
1391 (add_removable_extension): Remove x and data arguments,
1392 add insn, insn_list and def_map. Use the arguments directly
1393 instead of using struct re_info.
1394 (find_removable_extensions): Don't call add_removable_extension
1395 through note_stores, instead just call it with single_set
1397 (find_and_remove_re): Pass curr_cand->expr instead of
1398 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1400 2012-01-26 Michael Matz <matz@suse.de>
1402 PR tree-optimization/46590
1403 * cfgexpand.c: Revert last change (r183305).
1404 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1406 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1407 checking for emptiness.
1409 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1412 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1413 non-addressable non-BLKmode base correctly.
1415 2012-01-26 Michael Matz <matz@suse.de>
1417 PR tree-optimization/48794
1418 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1419 regions referenced from RESX/EH_DISPATCH.
1421 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1423 * config/s390/s390.h: Make BRANCH_COST an option.
1424 * config/s390/s390.opt: New option -mbranch-cost.
1426 2012-01-26 Richard Henderson <rth@redhat.com>
1428 Revert 2012-01-24 change:
1429 * trans-mem.c (requires_barrier): Do not instrument thread local
1430 variables and emit save/restore for them.
1432 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1435 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1438 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1440 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1443 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1446 Rename __pgm to __flash.
1447 Rename __pgm1 to __flash1.
1448 Rename __pgm2 to __flash2.
1449 Rename __pgm3 to __flash3.
1450 Rename __pgm4 to __flash4.
1451 Rename __pgm5 to __flash5.
1452 Rename __pgmx to __memx.
1453 * doc/extend.texi (AVR Named Address Spaces)
1454 Rename address space names as indicated above.
1455 * config/avr/avr.c (avr_addrspace): Ditto.
1457 * config/avr/avr-protos.h
1458 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1459 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1460 * config/avr/predicates.md: Ditto.
1461 * config/avr/avr.c Ditto, and
1462 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1463 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1465 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1466 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1467 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1468 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1469 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1470 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1471 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1472 * config/avr/avr.c: Ditto.
1473 * config/avr/avr.md: Ditto.
1475 2012-01-25 Jason Merrill <jason@redhat.com>
1478 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1480 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1482 PR tree-optimization/51987
1483 * tree-data-ref.c (get_references_in_stmt): Handle references in
1484 non-volatile GIMPLE_ASM.
1486 2012-01-25 Richard Guenther <rguenther@suse.de>
1488 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1489 bases are dereferenced.
1491 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1493 PR rtl-optimization/48374
1494 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1496 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1498 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1499 compute_data_dependences_for_loop returns false.
1500 * tree-parloops.c (loop_parallel_p): Likewise.
1502 2012-01-25 Richard Guenther <rguenther@suse.de>
1504 * tree.h (get_pointer_alignment_1): Declare.
1505 * builtins.c (get_pointer_alignment_1): New function.
1506 (get_pointer_alignment): Use it.
1508 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1510 PR rtl-optimization/48308
1511 * combine.c (enum undo_kind): Add UNDO_LINKS.
1512 (struct undo): Add member l to other_contents and where.
1513 (do_SUBST_LINK): New.
1515 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1516 (undo_all): Handle UNDO_LINKS.
1518 2012-01-25 Richard Henderson <rth@redhat.com>
1520 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1523 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1525 * optabs.c (gen_atomic_test_and_set): Use each argument.
1527 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1529 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1530 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1531 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1532 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1533 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1534 TARGET_PAIRED_SINGLE_FLOAT.
1536 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1538 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1539 (in_struct, return_val): Remove MEM documentation.
1540 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1541 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1542 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1544 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1545 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1546 * expr.c (store_field): Likewise.
1547 * function.c (assign_stack_temp_for_type): Likewise.
1548 * ifcvt.c (noce_try_cmove_arith): Likewise.
1549 * reload1.c (reload): Likewise.
1550 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1551 (alpha_set_memflags): Likewise.
1552 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1554 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1556 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1558 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1559 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1560 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1562 * cselib.c (cselib_rtx_varies_p): Delete.
1563 (cselib_invalidate_mem): Update call to canon_true_dependence.
1564 * dse.c (record_store, check_mem_read_rtx): Likewise.
1565 (scan_reads_nospill): Likewise.
1566 * cse.c (check_dependence): Likewise.
1567 (cse_rtx_varies_p): Delete.
1568 * expr.c (safe_from_p): Update call to true_dependence.
1569 * ira.c (validate_equiv_mem_from_store): Likewise.
1570 (memref_referenced_p): Likewise.
1571 * postreload-gcse.c (find_mem_conflicts): Likewise.
1572 * sched-deps.c (sched_analyze_2): Likewise.
1573 * store-motion.c (load_kills_store): Likewise.
1574 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1575 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1576 (compute_transp): Update call to canon_true_dependence.
1578 2012-01-25 Richard Henderson <rth@redhat.com>
1580 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1581 (maybe_emit_atomic_test_and_set): New.
1582 (expand_sync_lock_test_and_set): Use it.
1583 (expand_atomic_test_and_set): Likewise.
1584 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1585 the implementation; clarify implementation defined details.
1586 * doc/md.texi (atomic_test_and_set): Document.
1588 2012-01-25 Richard Henderson <rth@redhat.com>
1590 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1592 2012-01-25 Richard Henderson <rth@redhat.com>
1595 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1596 to effect no-op split.
1598 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1601 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1602 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1603 (BT_FN_VOID_PTR_INT_SIZE): New.
1604 (BT_FN_UINT_UINT_VAR): Remove.
1605 (BT_FN_UINT32_UINT32_VAR): New.
1606 (BT_FN_DOUBLE_VPTR): Remove.
1607 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1609 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1610 (_ITM_changeTransactionMode): Same.
1611 (_ITM_memmoveRtWt): Change return type to void.
1612 (_ITM_memcpyRtWt): Same.
1613 (_ITM_memsetW): Same.
1614 (_ITM_RaRD): Change types to double.
1619 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1621 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1622 Patrick Marlier <patrick.marlier@gmail.com>
1624 * trans-mem.c (requires_barrier): Do not instrument thread local
1625 variables and emit save/restore for them.
1627 2012-01-24 Jason Merrill <jason@redhat.com>
1630 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1631 output static aliases.
1633 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1636 * common.opt (-pie, -shared, pie, shared): Change from Common to
1638 * gcc.c (display_help): Display help for -pie and -shared.
1640 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1643 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1644 Remove note on size/offset limitation.
1645 (AVR Variable Attributes): Add example how to read data located
1646 with progmem. Refer to named address spaces.
1647 * doc/invoke.texi (AVR Options): Fix typo.
1649 2012-01-24 Richard Guenther <rguenther@suse.de>
1651 Forward-port to trunk
1652 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1655 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1656 op0 isn't sufficiently aligned and there is movmisalignM
1657 insn for mode, use it to load op0 into a temporary register.
1659 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1662 * target.def (const_not_ok_for_debug_p): New hook.
1663 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1665 * doc/tm.texi: Regenerated.
1666 * dwarf2out.c (const_ok_for_output_1): If
1667 targetm.const_not_ok_for_debug_p returns true, fail.
1668 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1670 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1672 2012-01-23 Kai Tietz <ktietz@redhat.com>
1675 * config/i386/predicates.md (symbolic_operand): Allow
1676 UNSPEC_PCREL as PIC expression for lea.
1677 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1678 * config/i386/i386.c (ix86_delegitimize_address): Handle
1679 UNSPEC_PCREL for none-MEM, too.
1681 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1683 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1684 (ipa_tm_create_version_alias): Same.
1686 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1689 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1690 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1692 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1693 Patrick Marlier <patrick.marlier@gmail.com>
1694 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1697 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1698 simple_object_start_read.
1700 2012-01-23 Richard Guenther <rguenther@suse.de>
1703 PR tree-optimization/51895
1704 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1705 parameter decomposition into BLKmode components.
1707 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1709 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1710 fake variables for restrict-qualified pointers whose pointed-to type
1711 contains a placeholder.
1713 2012-01-23 Richard Guenther <rguenther@suse.de>
1715 PR tree-optimization/51949
1716 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1718 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1720 PR rtl-optimization/51933
1721 * ree.c (transform_ifelse): Return true right away if dstreg is
1722 already wider or equal to cand->mode.
1723 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1724 (make_defs_and_copies_lists): Remove defs_list and copies_list
1725 arguments, add state argument, just truncate state->work_list
1726 instead of always allocating and freeing the vector. Assert that
1727 get_defs succeeds instead of returning 2. Changed return type to bool.
1728 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1729 have ext_src_mode, see if it has been modified already with the
1730 right kind of extension and has been extended before from the
1731 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1732 just return true. Remember the original mode in state->modified array.
1733 (combine_reaching_defs): Add state argument. Don't allocate and
1734 free here def_list, copied_list and vec vectors, instead just
1735 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1736 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1737 Add state variable, clear vectors in it, initialize state.modified
1738 if needed. Free all the vectors at the end and state.modified too.
1739 Don't skip a candidate if the extension expression has been modified.
1741 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1744 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1745 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1746 (extra_options) interix.opt -> i386/interix.opt"
1747 (extra_objs):Add winnt-stubs.o
1748 * configure.ac: Add interix to target_os .comm on PE check.
1749 * configure: Regenerate.
1750 * config/interix3.h: Delete and move bits to..
1751 * config/interix.h: Delete and move bits to..
1752 * config/i386/i386-interix3.h: Delete and move bits to..
1753 * config/i386/i386-interix.h: ..here.
1754 (TARGET_CPU_DEFAULT): Remove redefinition.
1755 (TARGET_ASM_CONSTRUCTOR): Undefine.
1756 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1757 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1758 (PTRDIFF_TYPE): Define.
1759 (LONG_DOUBLE_TYPE_SIZE): Define.
1760 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1761 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1762 (TARGET_SECTION_TYPE_FLAGS): Define.
1763 (ASM_DECLARE_FUNCTION_NAME): Define.
1764 (ASM_OUTPUT_EXTERNAL): Define.
1765 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1766 (ASM_OUTPUT_ALIGNED_BSS): Define.
1767 (PCC_BITFIELD_TYPE_MATTERS): Define.
1768 (USE_CONST_SECTION): Define.
1769 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1770 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1771 (SUPPORTS_ONE_ONLY): Remove.
1772 (I386_PE_STRIP_ENCODING): Define.
1773 * config/interix.opt: Delete and move bits to..
1774 * config/i386/interix.opt: ..here. New.
1775 (mpe-aligned-commons): Add.
1776 * config/i386/t-interix: Add copyright header.
1777 (winnt-stubs.o): Add rule.
1779 2012-01-22 Jason Merrill <jason@redhat.com>
1782 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1783 for extra name aliases.
1785 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1787 PR rtl-optimization/51924
1788 * ree.c (combine_set_extension): Improve debugging message.
1789 (combine_reaching_defs): Likewise.
1790 (get_defs): Rename confusingly named variable.
1791 (find_and_remove_re): Skip a candidate if the extension expression has
1794 2012-01-21 Robert Millan <rmh@gnu.org>
1795 Gerald Pfeifer <gerald@pfeifer.com>
1797 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1798 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1800 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1802 PR tree-optimization/51914
1803 * tree-vect-stmts.c (vectorizable_conversion): For
1804 cvt_type && modifier == WIDEN, put temporary with cvt_type
1805 at the beginning of vec_dsts and set vec_dest to temporary
1808 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1810 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1812 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1814 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1815 * config/rs6000/rs6000.c: Likewise.
1817 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1820 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1821 output_move_double on a copy of operands array.
1823 2012-01-20 Cary Coutant <ccoutant@google.com>
1824 Dodji Seketeli <dodji@redhat.com>
1827 * dwarf2out.c (copy_declaration_context): Return ref to parent
1828 of declaration DIE, if necessary.
1829 (remove_child_or_replace_with_skeleton): Add new parameter; update
1830 caller. Place skeleton DIE under parent DIE of original declaration.
1831 Move call to copy_declaration_context to here ...
1832 (break_out_comdat_types): ... from here.
1834 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1836 PR rtl-optimization/51856
1837 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1840 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1843 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1844 hints for neon loads and stores.
1846 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1850 * doc/extend.texi (Named Address Spaces): Split into subsections.
1851 (AVR Named Address Spaces): New subsection.
1852 (M32C Named Address Spaces): New subsection.
1853 (RL78 Named Address Spaces): New subsection.
1854 (SPU Named Address Spaces): New subsection.
1855 (Variable Attributes): New anchor "AVR Variable Attributes".
1856 (AVR Variable Attributes): Rewrite and avoid wording
1857 "address space" in this context.
1858 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1859 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1860 (AVR Built-in Macros): New subsubsection therein.
1861 * doc/md.texi (AVR constraints): Remove "C04", "R".
1863 2012-01-20 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/51903
1866 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1867 when removing stmts.
1869 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1872 * config/arm/arm.c (arm_load_pic_register): Use
1873 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1874 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1875 (arm_pic_static_addr): Likewise.
1876 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1877 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1878 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1879 (pic_load_addr_unified): New.
1881 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1884 * function.c (instantiate_virtual_regs_in_insn): Use
1885 delete_insn_and_edges when removing a wrong asm insn.
1887 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1889 PR rtl-optimization/40761
1890 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1891 Add new member loop_num.
1892 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1893 (ira_build): Remove the parameter.
1895 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1896 (ira.c): Do not build CFG loops for one region allocation. Remove
1897 argument from ira_build call.
1899 * ira-build.c (init_loop_tree_node): New function.
1900 (create_loop_tree_nodes): Use it. Separate the case when CFG
1901 loops are not built.
1902 (more_one_region_p): Check current_loops.
1903 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1905 (add_loop_to_tree): Process loop equal to NULL too.
1906 (form_loop_tree): Separate the case when CFG loops are not built.
1907 Use explicitly number for the root.
1908 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1910 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1911 instead of loop->num.
1912 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1913 (mark_all_loops_for_removal): Ditto.
1914 (remove_unnecessary_regions): Separate the case when CFG loops
1916 (ira_build): Remove the parameter. Use explicit number of regions
1917 when CFG loops are not built.
1919 * ira-color.c (print_loop_title): Separate the case for the root node.
1920 Use loop_num instead of loop->num.
1921 (move_spill_restore): Use loop_num instead of loop->num.
1923 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1924 (change_loop): Ditto.
1925 (change_loop): Use loop_num instead of loop->num.
1927 * ira-lives.c (process_bb_node_lives): Ditto.
1929 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1931 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1933 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1936 * tree-mudflap.c (mf_artificial): New function.
1937 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1938 mx_register_decls, mudflap_enqueue_decl): Use it.
1941 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1942 numbers in the insn pattern.
1944 2012-01-19 Michael Matz <matz@suse.de>
1946 PR tree-optimization/46590
1947 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1948 use it in remembering which conflicts we already created.
1949 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1952 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1955 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1956 (merge_and_complain): Same.
1958 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1961 * config/initfini-array.h: Guard content of the header
1962 with #ifdef HAVE_INITFINI_ARRAY.
1963 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1964 Add initfini-array.h to tm_file here.
1965 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1966 * config.gcc: Don't add initfini-array.h to tm_file here.
1967 * configure: Regenerated.
1969 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1971 PR rtl-optimization/51505
1972 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1973 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1974 (df_note_bb_compute): Update the call to df_kill_notes.
1976 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1978 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1980 2012-01-18 Richard Guenther <rguenther@suse.de>
1982 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1983 of conversions to void *.
1985 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1986 Richard Sandiford <rdsandiford@googlemail.com>
1990 * optabs.h (simplify_expand_binop): Declare.
1991 * optabs.c (simplify_expand_binop): Make global.
1992 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1993 endian targets if the source cannot be exactly covered by word
1996 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1999 * hard-reg-set.h (struct hard_reg_set_container): New type.
2000 * target.h (struct hard_reg_set_container): Forward declare.
2001 * target.def (set_up_by_prologue): New target hook.
2002 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2003 * doc/tm.texi: Regenerated.
2004 * function.c (thread_prologue_and_epilogue_insns): Change
2005 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2006 Call targetm.set_up_by_prologue on it.
2007 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2008 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2010 2012-01-17 Nick Clifton <nickc@redhat.com>
2012 * config/rx/rx.c (rx_can_use_simple_return): New function.
2013 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2014 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2016 2012-01-17 Richard Guenther <rguenther@suse.de>
2019 * expr.c (expand_assignment): Take address-space information
2020 from the address operand of MEM_REF and TARGET_MEM_REF.
2021 (expand_expr_real_1): Likewise.
2023 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2025 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2026 reload dump is requested.
2028 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2031 * trans-mem.c (requires_barrier): Call may_be_aliased.
2033 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2035 PR tree-optimization/51877
2036 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2037 call arguments and fndecls compare equal, instead return false if they
2038 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2039 both SSA_NAMEs that are valueized the same, or they satisfy
2042 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2044 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2046 * configure: Regenerate.
2048 2012-01-16 Jan Hubicka <jh@suse.cz>
2052 * convert.c (convert_to_integer): Use fold_convert for
2053 converting an INTEGER_CST to integer type.
2055 2012-01-16 Jason Merrill <jason@redhat.com>
2058 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2060 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2063 * config/s390/s390.c (s390_chunkify_start): Don't skip
2064 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2065 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2066 If insn is followed by NOTE_INSN_VAR_LOCATION or
2067 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2068 Don't use location of note insns.
2070 PR tree-optimization/51865
2071 * tree-inline.c (tree_function_versioning): Call remap_decl
2072 on DECL_RESULT whenever it has VOID_TYPE_P type.
2074 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2076 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2077 for calls to locally-binding MIPS16 functions if only the return
2078 type uses float regs.
2080 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2081 Richard Sandiford <rdsandiford@googlemail.com>
2083 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2084 (SYMBOL_32_HIGH): Likewise.
2085 (mips_output_tls_reloc_directive): Declare.
2086 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2087 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2088 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2089 (mips_lo_relocs, mips_hi_relocs): Make extern.
2090 (mips16_stub_function): Move up file.
2091 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2092 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2093 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2094 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2095 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2096 (mips_get_tp): Add MIPS16 support.
2097 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2098 Generalize DTPREL and TPREL handling.
2099 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2100 Add MIPS16 TLS support.
2101 (mips_output_tls_reloc_directive): New function.
2102 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2103 * config/mips/predicates.md (symbolic_operand_with_high)
2104 (tls_reloc_operand): New predicates.
2105 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2106 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2107 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2108 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2109 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2110 (*tls_get_tp_mips16_call_<mode>): Likewise.
2112 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2114 PR rtl-optimization/51821
2115 * recog.c (peep2_find_free_register): Determine clobbered registers
2118 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2121 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2122 * config/avr/avr.c: Likewise.
2123 * config/avr/avr.h: Likewise.
2125 2012-01-13 Ian Lance Taylor <iant@google.com>
2128 * tree.h (TYPE_QUALS): Add cast to int.
2129 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2131 2012-01-13 Ian Lance Taylor <iant@google.com>
2133 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2134 comparing param_index to VEC_length result.
2136 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2138 * c-decl.c: Do not include tree-mudflap.h
2139 * tree-optimize.c: Likewise.
2140 * Makefile.in: Update dependencies.
2142 2012-01-13 Richard Guenther <rguenther@suse.de>
2145 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2146 variable-sized result always use RSO.
2148 2012-01-12 DJ Delorie <dj@redhat.com>
2150 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2151 pointer type, not just the default pointer type.
2153 2012-01-09 Richard Henderson <rth@redhat.com>
2154 Denis Chertykov <chertykov@gmail.com>
2157 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2158 * config/avr/avr.c (avr_can_eliminate): Simplify.
2159 (avr_initial_elimination_offset): Likewise.
2160 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2161 (expand_epilogue): Likewise.
2162 (avr_legitimize_address): Gut.
2163 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2164 (avr_hard_regno_nregs): New.
2165 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2166 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2167 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2168 add soft frame pointer.
2169 (CALL_USED_REGISTERS): Likewise.
2170 (REG_CLASS_CONTENTS): Likewise.
2171 (REGISTER_NAMES): Likewise.
2172 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2173 (HARD_FRAME_POINTER_REGNUM): New.
2174 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2175 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2176 remove the HARD_FRAME_POINTER self-elimination.
2178 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2181 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2182 DECL_EXTERNAL when checking for initializers of progmem variables.
2184 2012-01-12 Ira Rosen <irar@il.ibm.com>
2186 PR tree-optimization/51799
2187 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2188 that the last operation is a type demotion.
2190 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2193 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2195 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2198 * combine.c (distribute_notes): If i3 is a noreturn call,
2199 allow old_size to be equal to args_size and make sure the
2200 noreturn call gets REG_ARGS_SIZE note.
2201 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2202 on noreturn calls even when the delta is 0.
2204 2012-01-11 Nathan Sidwell <nathan@acm.org>
2206 * gcov.c (STRING_SIZE): Remove.
2207 (generate_results): Erase annotations for source files with no
2208 coverage information.
2210 (output_lines): Use it.
2212 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2214 * gimple.h (gimplify_body): Remove first argument.
2215 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2216 pointer set here, instead just pass DATA to walk_tree.
2217 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2218 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2219 (unvisit_body): Likewise, but with unmark_visited.
2220 (gimplify_body): Remove BODY_P argument and adjust.
2221 (gimplify_function_tree): Adjust call to gimplify_body.
2222 * omp-low.c (finalize_task_copyfn): Likewise.
2224 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2226 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2227 (build_function_type_skip_args): Delete.
2228 * tree.c (build_function_type_skip_args): Make static and add
2229 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2230 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2231 pass it to build_function_type_skip_args.
2232 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2233 (tree_function_versioning): Likewise.
2234 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2235 build_function_decl_skip_args.
2236 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2237 and pass it to build_function_decl_skip_args/tree_function_versioning.
2238 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2239 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2240 * trans-mem.c (ipa_tm_create_version): Likewise.
2241 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2242 * tree-inline.c (declare_return_variable): Remove always-true test.
2243 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2244 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2245 * ipa-split.c (split_function): Skip the return value for the split
2246 part if it doesn't return.
2248 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2250 PR tree-optimization/49642
2251 * ipa-split.c (forbidden_dominators): New variable.
2252 (check_forbidden_calls): New function.
2253 (dominated_by_forbidden): Likewise.
2254 (consider_split): Check for forbidden dominators.
2255 (execute_split_functions): Initialize and free forbidden
2256 dominators info; call check_forbidden_calls.
2258 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2260 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2262 2012-01-11 Nick Clifton <nickc@redhat.com>
2264 * config/rx/rx.md (return): Define pattern.
2266 2012-01-11 Richard Guenther <rguenther@suse.de>
2268 * doc/extend.texi (malloc attribute): Adjust according to
2271 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2272 Patrick Marlier <patrick.marlier@gmail.com>
2275 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2276 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2277 (ipa_tm_note_irrevocable): Same.
2278 (ipa_tm_scan_irr_block): Same.
2279 (ipa_tm_decrement_clone_counts): Same.
2280 (ipa_tm_scan_irr_function): Same.
2281 (ipa_tm_create_version_alias): Same.
2282 (ipa_tm_create_version): Same.
2283 (ipa_tm_transform_calls_redirect): Same.
2284 (ipa_tm_transform_calls): Same.
2285 (ipa_tm_transform_transaction): Same.
2286 (ipa_tm_execute): Same.
2288 2012-01-10 Richard Guenther <rguenther@suse.de>
2291 * opts.c (common_handle_option): Handle -Werror.
2293 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2295 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2298 2012-01-10 Jason Merrill <jason@redhat.com>
2300 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2303 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2305 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2306 supports R_386_TLS_GD_PLT reloc.
2307 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2308 supports R_386_TLS_LDM_PLT reloc.
2309 * configure: Regenerate.
2310 * config.in: Regenerate.
2312 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2315 Extend __pgmx semantics to linearize memory.
2316 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2317 determine if code comes inline or from libgcc.
2318 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2319 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2320 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2321 (movmemx_qi, movmemx_hi): New insns.
2322 (xload_<mode>_libgcc): Rewrite to new insn condition.
2323 (xload_<mode>): Remove insns.
2324 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2325 cases that don't satisfy avr_xload_libgcc_p().
2326 (avr_addr_space_convert): Allow converting in any direction.
2327 (avr_addr_space_subset_p): Return always true.
2328 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2329 (avr_emit_movmemhi): Ditto.
2330 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2331 (avr_out_movmem): Ditto.
2332 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2333 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2334 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2335 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2336 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2338 2012-01-10 Richard Guenther <rguenther@suse.de>
2340 PR tree-optimization/50913
2341 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2342 Require data-refs to be representable by Graphite with respect
2345 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2347 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2348 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2350 2012-01-10 Tom de Vries <tom@codesourcery.com>
2352 PR rtl-optimization/51271
2353 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2354 handling annulled branch.
2356 2012-01-10 Richard Henderson <rth@redhat.com>
2358 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2359 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2360 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2361 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2362 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2363 arm_expand_vec_perm_const): New.
2364 * config/arm/arm-protos.h: Update.
2365 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2366 (*neon_vswp<VDQX>): New.
2367 (neon_vcombine<VDX>): Use neon_split_vcombine.
2368 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2369 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2370 (vec_perm<VE>): New.
2372 2012-01-10 Richard Henderson <rth@redhat.com>
2374 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2375 use it if reload_completed.
2376 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2377 arm_output_asm_insn, arm_process_output_memory_barrier,
2378 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2379 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2380 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2381 arm_process_output_sync_insn, arm_output_sync_insn,
2382 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2383 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2384 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2385 (emit_unlikely_jump): New.
2386 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2387 (arm_split_atomic_op): New.
2388 * config/arm/arm-protos.h: Update.
2389 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2390 (struct arm_sync_generator): Remove.
2391 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2392 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2393 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2394 (VUNSPEC_LL, VUNSPEC_SC): New.
2395 (sync_result, sync_memory, sync_required_value, sync_new_value,
2396 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2397 (attr length): Don't use arm_sync_loop_insns.
2398 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2399 (movsfcc, movdfcc): Likewise.
2400 * config/arm/constraints.md (Ua): New.
2401 * config/arm/prediates.md (mem_noofs_operand): New.
2402 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2403 (sync_clobber, sync_t2_reqd): Remove.
2404 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2405 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2406 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2407 (arm_sync_compare_and_swap<SIDI>): Remove.
2408 (arm_sync_compare_and_swap<NARROW>): Remove.
2409 (arm_sync_lock_test_and_set<SIDI>): Remove.
2410 (arm_sync_lock_test_and_set<NARROW>): Remove.
2411 (arm_sync_new_<syncop><SIDI>): Remove.
2412 (arm_sync_new_<syncop><NARROW>): Remove.
2413 (arm_sync_new_nand<SIDI>): Remove.
2414 (arm_sync_new_nand<NARROW>): Remove.
2415 (arm_sync_old_<syncop><SIDI>): Remove.
2416 (arm_sync_old_<syncop><NARROW>): Remove.
2417 (arm_sync_old_nand<SIDI>): Remove.
2418 (arm_sync_old_nand<NARROW>): Remove.
2419 (*memory_barrier): Merge arm_output_memory_barrier.
2420 (atomic_compare_and_swap<QHSD>): New.
2421 (atomic_compare_and_swap<NARROW>_1): New.
2422 (atomic_compare_and_swap<SIDI>_1): New.
2423 (atomic_exchange<QHSD>): New.
2424 (cas_cmp_operand, cas_cmp_str): New.
2425 (atomic_op_operand, atomic_op_str): New.
2426 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2427 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2428 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2429 (arm_load_exclusive<NARROW>): New.
2430 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2431 (arm_store_exclusive<QHSD>): New.
2433 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2435 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2436 reload patterns if -mvsx-scalar-memory.
2438 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2439 generated, even -mno-vsx-scalar-double was used.
2440 (vsx_xscvdpsp_scalar): Likewise.
2441 (vsx_xscvspdp_scalar2): Likewise.
2443 2012-01-09 Tom de Vries <tom@codesourcery.com>
2444 Andrew Pinski <apinski@cavium.com>
2447 * reorg.c (fill_slots_from_thread): Don't speculate
2448 frame-related insns.
2450 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2452 * sched-int.h (bb_note): Move to...
2453 * basic-block.h: ...here.
2454 * haifa-sched.c (bb_note): Move to...
2455 * cfgrtl.c: ...here.
2456 * function.c (next_block_for_reg): New function.
2457 (move_insn_for_shrink_wrap): Likewise.
2458 (prepare_shrink_wrap): Rewrite to use the above.
2460 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2462 * gimple.c (is_gimple_non_addressable): Remove.
2463 * gimple.h: Remove is_gimple_non_addressable.
2464 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2465 is_gimple_non_addressable.
2466 * trans-mem.c (expand_assign_tm): Same.
2468 2012-01-09 Richard Guenther <rguenther@suse.de>
2470 PR tree-optimization/51775
2471 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2472 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2474 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2476 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2478 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2480 2012-01-09 Richard Guenther <rguenther@suse.de>
2482 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2484 2012-01-08 Jan Hubicka <jh@suse.cz>
2486 PR tree-optimize/51680
2487 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2488 on when known_vals needs to be computed; cleanup.
2490 2012-01-08 Jan Hubicka <jh@suse.cz>
2492 PR tree-optimize/51694
2493 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2495 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2497 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2498 for -std=c++98 and -std=c++11 too.
2500 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2502 * cfgloop.c (cancel_loop): Add free() of bbs array.
2504 2012-01-07 Jan Hubicka <jh@suse.cz>
2506 PR tree-optimization/51600
2507 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2508 that benefits small functions.
2510 2012-01-07 Jan Hubicka <jh@suse.cz>
2512 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2514 2012-01-07 Jan Hubicka <jh@suse.cz>
2516 PR tree-optimization/51680
2517 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2518 whose inlining reduce unit size.
2520 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2523 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2524 Add canonical node to containing_mem chain after the non-canonical
2525 one, even if there weren't any locs to propagate.
2526 (remove_useless_values): Keep only canonical values.
2527 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2528 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2529 canonicalize mem_chain elements that are not discarded.
2531 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2534 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2535 before emitting functions.
2537 PR gcov-profile/50127
2538 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2539 clear_aux_for_blocks.
2541 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2544 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2546 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2548 * c-decl.c (ext_block): Moved up.
2549 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2551 2012-01-06 Han Shen <shenhan@google.com>
2553 Translate built-in include paths for sysroot.
2554 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2555 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2557 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2558 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2560 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2561 control whether sysroot should be prepended to gxx include dir.
2563 * configure: Regenerate.
2565 2012-01-06 Torvald Riegel <triegel@redhat.com>
2567 PR rtl-optimization/51771
2568 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2569 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2571 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2573 PR tree-optimization/51315
2574 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2575 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2577 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2580 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2581 for shrp pattern. Correctly handle and fixup shift variable.
2582 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2584 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2587 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2588 note when !ACCUMULATE_OUTGOING_ARGS.
2590 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2592 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2594 (extract_range_from_unary_expr_1): Avoid useless computations.
2596 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2598 PR rtl-optimization/51767
2599 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2600 of jump_block and add an extra edge for degenerated asm gotos.
2603 * stmt.c (check_unique_operand_names): Don't ICE during error
2604 reporting if i is from labels chain.
2607 * profile.c (branch_prob): Split bbs that have exit edge
2608 and need a fake entry edge too.
2610 2012-01-05 Jan Hubicka <jh@suse.cz>
2613 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2616 2012-01-05 Richard Guenther <rguenther@suse.de>
2619 * tree-streamer-out.c (write_ts_optimization): New function.
2620 (streamer_write_tree_body): Call it.
2621 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2622 (streamer_read_tree_body): Call it.
2623 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2625 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2628 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2629 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2630 in_cleanup_point_expr before gimplify_stmt call and restore it
2632 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2633 in_cleanup_point_expr is false.
2635 2012-01-05 Richard Guenther <rguenther@suse.de>
2638 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2640 * toplev.c (process_options): Reject combining mudflap and LTO.
2641 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2643 2012-01-05 Richard Guenther <rguenther@suse.de>
2645 PR tree-optimization/51760
2646 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2648 (bit_value_unop): Handle UNDEFINED operands.
2649 (bit_value_binop): Likewise.
2651 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2653 * config/avr/avr.c (avr_replace_prefix): Remove.
2654 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2655 (avr_asm_function_rodata_section): Ditto.
2656 (avr_asm_select_section): Ditto.
2658 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2660 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2663 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2666 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2667 calls that have any non-fake successor edges.
2670 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2672 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2674 PR tree-optimization/51624
2675 * tree-sra.c (build_ref_for_model): When replicating a chain of
2676 COMPONENT_REFs, stop as soon as the offset would become negative.
2678 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2681 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2682 in .debug_loc on the floor.
2684 2012-01-04 Andrew Pinski <apinski@cavium.com>
2686 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2688 2012-01-04 Andrew Pinski <apinski@cavium.com>
2689 Adam Nemet <anemet@caviumnetworks.com>
2691 * config/mips/mips.md (size): Add SI and DI.
2692 (SIZE): New mode attribute.
2693 (U): New code attribute.
2694 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2695 (mips_lbux_<mode>): Delete.
2696 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2697 (mips_lhx): Use gen_mips_lhx_extsi.
2698 (mips_lhx_<mode>): Delete.
2700 (mips_l<size>x): New expand.
2701 (mips_lwx_<mode>): Delete.
2702 (mips_l<GPR:size>x_<P:mode>): New pattern.
2703 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2704 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2705 * config/mips/mips.c (mips_lx_address_p): New function.
2706 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2707 (dsp64): New availability predicate.
2708 (mips_builtins): Add an entry for __builtin_mips_ldx.
2709 * config/mips/mips.h (ISA_HAS_LBX): New define.
2710 (ISA_HAS_LBUX): Likewise.
2711 (ISA_HAS_LHX): Likewise.
2712 (ISA_HAS_LHUX): Likewise.
2713 (ISA_HAS_LWX): Likewise.
2714 (ISA_HAS_LWUX): Likewise.
2715 (ISA_HAS_LDX): Likewise.
2716 * doc/extend.texi (__builtin_mips_ldx): Document.
2718 2012-01-04 Tristan Gingold <gingold@adacore.com>
2720 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2721 when long pointers are used.
2722 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2723 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2724 (ia64-hp-*vms*): Remove.
2725 * config/vms/xm-vms64.h: Delete.
2727 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2730 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2732 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2734 * opts.c (finish_options): Remove duplicate sorry.
2736 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2739 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2742 2012-01-04 Richard Guenther <rguenther@suse.de>
2745 * tree.c (size_low_cst): New function.
2746 * tree.h (size_low_cst): Declare.
2747 * fold-const.c (fold_comparison): Use it to extract the low
2748 part of the POINTER_PLUS_EXPR offset.
2750 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2752 Fix clearing ZERO_REG
2753 * config/avr/avr.md (cc): Add alternative "ldi".
2754 (movqi_insn): Use it in cc attribute.
2755 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2756 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2757 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2759 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2761 * configure: Regenerate.
2763 2012-01-04 Richard Guenther <rguenther@suse.de>
2765 PR tree-optimization/49651
2766 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2767 (var_can_have_subvars): Use it.
2768 (get_constraint_for_1): Only consider subfields if there can be any.
2770 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2773 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2774 to its new canonical_cselib_val and the cselib_val was in
2775 first_containing_mem chain, but the canonical_cselib_val was not,
2776 add the latter into the chain.
2777 (cselib_invalidate_mem): Compare canonical_cselib_val of
2778 addr_list chain elt with v.
2781 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2782 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2784 (output_macinfo_op): Don't ggc_strdup fd->filename.
2785 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2786 then ggc_strdup it. Don't free inc->info or cur->info.
2787 (output_macinfo): Don't free ref->info or file->info.
2789 2012-01-03 Ira Rosen <irar@il.ibm.com>
2791 PR tree-optimization/51269
2792 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2793 first_niters a pointer.
2794 (slpeel_tree_peel_loop_to_edge): Likewise.
2795 (vect_do_peeling_for_loop_bound): Update call to
2796 slpeel_tree_peel_loop_to_edge.
2797 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2798 here. Remove it from the parameters list.
2799 (vect_do_peeling_for_alignment): Update calls and compute
2802 2012-01-03 Richard Guenther <rguenther@suse.de>
2804 PR tree-optimization/51070
2805 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2806 Properly handle calls.
2808 2012-01-03 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/51692
2811 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2812 the LHS of allocation stmts.
2814 2012-01-03 Olivier Hainque <hainque@adacore.com>
2816 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2818 2012-01-03 Olivier Hainque <hainque@adacore.com>
2820 * collect2.c (main): In AIX specific computations for vector
2821 insertions, use CONST_CAST2 to cast from char ** to const char **.
2823 2012-01-03 Richard Guenther <rguenther@suse.de>
2826 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2827 the context of a limbo DIE when it does not already exist.
2829 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2831 PR tree-optimization/51719
2832 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2833 but direct call is, clear direct call's lhs and don't add fallthrough
2834 edge from dcall_bb to join_bb and PHIs.
2836 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2838 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2839 the instructions emitted by the pattern.
2840 ("*TDC_insn_<mode>"): Add comment.
2842 2012-01-03 Richard Guenther <rguenther@suse.de>
2845 * fold-const.c (fold_comparison): Properly canonicalize
2846 tree offset and HOST_WIDE_INT bit position.
2848 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2850 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2851 operands for extzv pattern.
2853 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2856 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2859 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2861 * doc/invoke.texi (-flto and related options): Copy-edit.
2863 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2865 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2867 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2869 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2872 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2874 * expr.h (move_by_pieces_ninsns): Declare.
2875 * expr.c (move_by_pieces_ninsns): Make external.
2876 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2877 (mips_store_by_pieces_p): Likewise.
2878 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2879 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2880 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2881 (mips_store_by_pieces_p): Likewise.
2883 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2885 * passes.c (register_one_dump_file): Free full_name.
2887 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2888 (calculate_elim_costs_all_insns): Free offsets_at and
2889 offsets_known_at at the end and clear the pointers.
2891 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2893 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2894 this option introduced in r180739.
2896 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2899 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2900 (tmake_file target=avr): Add avr/t-multilib.
2902 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2903 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2904 * config/avr/genmultilib.awk: New file.
2905 * config/avr/t-multilib: New auto-generated file.
2906 * config/avr/multilib.h: New auto-generated file.
2907 * config/avr/t-avr (AVR_MCUS): New variable.
2908 (genopt.sh): Use it.
2909 (s-mlib): Depend on t-multilib.
2910 (t-multilib, multilib.h): New dependencies.
2911 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2912 (MULTILIB_OPTIONS): Remove.
2913 (MULTILIB_MATCHES): Remove.
2914 (MULTILIB_DIRNAMES): Remove.
2915 (MULTILIB_EXCEPTIONS): Remove:
2916 * config/avr/genopt.sh: Don't use hard coded file name;
2917 pass AVR_MCUS from t-avr instead.
2919 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2921 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2923 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2925 Implement light-weight DImode support.
2926 * config/avr/avr-dimode.md: New file.
2927 * config/avr/avr.md: Include it.
2928 (adjust_len): Add plus64, compare64.
2929 (HIDI): Remove code iterator.
2930 (code_stdname): New code attribute.
2931 (rotx, rotsmode): Remove DI.
2932 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2934 * config/avr/avr-protos.h (avr_have_dimode): New.
2935 (avr_out_plus64, avr_out_compare64): New.
2936 * config/avr/avr.c (avr_out_compare): Handle DImode.
2937 (avr_have_dimode): New variable definition and initialization.
2938 (avr_out_compare64, avr_out_plus64): New functions.
2939 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2940 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2941 (avr_compare_pattern): Skip DImode comparisons.
2943 2012-01-02 Revital Eres <revital.eres@linaro.org>
2945 * ddg.c (def_has_ccmode_p): New function.
2946 (add_cross_iteration_register_deps,
2947 create_ddg_dep_from_intra_loop_link): Call it.
2949 2012-01-02 Richard Guenther <rguenther@suse.de>
2952 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2954 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2956 * gcc.c (process_command): Update copyright notice dates.
2957 * gcov.c (print_version): Likewise.
2958 * gcov-dump.c (print_version): Likewise.
2959 * mips-tfile.c (main): Likewise.
2960 * mips-tdump.c (main): Likewise.
2962 2012-01-01 Ira Rosen <irar@il.ibm.com>
2964 PR tree-optimization/51704
2965 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2966 a use is inside the basic block or loop before accessing its vect info.
2968 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2970 PR rtl-optimization/51069
2971 * cfgloopmanip.c (remove_path): Removing path making irreducible
2972 region unconditional makes BB part of the region.
2974 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2976 PR tree-optimization/51683
2977 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2978 calls with side-effects.
2979 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2981 Copyright (C) 2012 Free Software Foundation, Inc.
2983 Copying and distribution of this file, with or without modification,
2984 are permitted in any medium without royalty provided the copyright
2985 notice and this notice are preserved.