+2012-02-21 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/52294
+ * thumb2.md (thumb2_shiftsi3_short): Split register and
+ immediate shifts. For register shifts tie operands 0 and 1.
+ (peephole2 for above): Check that register-controlled shifts
+ have suitably tied operands.
+
+2012-02-21 Quentin Neill <quentin.neill@amd.com>
+
+ PR target/52137
+ * config/i386/bdver1.md (bdver1_call, bdver1_push,
+ bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
+ bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
+ bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
+ bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
+ bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
+ bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
+ bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
+ bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
+ bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
+ bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
+ bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
+ bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
+ bdver1_ssevector_avx256_unaligned_load,
+ bdver1_ssevector_sse128_unaligned_load,
+ bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
+ bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
+ bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
+ bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
+ bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
+ bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
+ bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
+ bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
+ bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
+ bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
+ bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
+ bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
+ bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
+ bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
+ bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
+ bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
+ bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
+ bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
+ bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
+ bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
+ bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
+ bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
+ bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
+ bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
+ bdver1_ssediv_double_load, bdver1_ssediv_double,
+ bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
+ Add "bdver2" attribute.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
+ default if possible and not specified otherwise.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52314
+ * gimplify.c (create_tmp_from_val): Use the main variant type
+ for the type of the temporary we create.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52324
+ * gimplify.c (gimplify_expr): When re-gimplifying expressions
+ do not gimplify a MEM_REF address operand if it is already
+ in suitable form.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
+ TARGET_HARD_FLOAT with TARGET_HARD_DFP.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-stmts.c (vectorizable_load): Use pre-computed
+ nested_in_vect_loop.
+
+2012-02-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52318
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Add
+ vdef also to non-pure/const call stmts in the sequence.
+
+2012-02-20 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
+ don't use the "rd %pc" instruction on v9 for PIC register loads.
+
+2012-02-20 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52141
+ * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
+ in a transaction safe function.
+
+2012-02-20 Kai Tietz <ktietz@redhat.com>
+
+ PR target/52238
+ * stor-layout.c (place_field): Handle desired_align for
+ ms-bitfields, too.
+
+2012-02-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52298
+ * tree-vect-stmts.c (vectorizable_store): Properly use
+ STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
+ outer loops.
+ (vectorizable_load): Likewise.
+ * tree-vect-data-refs.c (vect_analyze_data_ref_access):
+ Access DR_STEP after ensuring it is not NULL.
+
+2012-02-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52286
+ * fold-const.c (fold_binary_loc): For (X & C1) | C2
+ optimization use double_int_to_tree instead of build_int_cst_wide,
+ rewrite to use double_int vars.
+
+2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/50166
+ * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
+ Define _start.
+ Remove -e 0 from $gcc_cv_ld invocation.
+ Only use __GLIBC_PREREQ if defined.
+ Enable on Solaris since Solaris 8 patch.
+ (gcc_SUN_LD_VERSION): New macro.
+ * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
+ gcc_SUN_LD_VERSION for version number format.
+ * configure: Regenerate.
+ * varasm.c (get_elf_initfini_array_priority_section): Set
+ SECTION_NOTYPE for non-default priority.
+ Use get_section instead of get_unnamed_section to emit
+ .init_array/.fini_array with default priority.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
+ (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
+ (mips_start_unique_function, mips_output_mips16_rdhwr)
+ (mips_code_end): New functions.
+ (TARGET_ASM_CODE_END): Define.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_build_call_stub): Add CFI information
+ to stubs with non-sibling calls.
+
+2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (-fira-* options): Copy-edit.
+ (ira-* parameters): Copy-edit.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Minor copy-edits to bring into conformance with
+ GCC coding conventions.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
+ when used as adjectives.
+
+2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "that"/"which" confusion.
+
+2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h: Poison SMALL_REGISTER_CLASSES
+ * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
+ * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52285
+ * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
+ when deciding if a call is a tail call or tail recursion.
+
+2012-02-16 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
+ interger-constant displacement for UNSPEC_PCREL.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52208
+ * ira-costs.c (scan_one_insn): Don't decrease mem_cost
+ for MEMs with REG_EQUIV, if the MEM isn't general_operand.
+
+ PR tree-optimization/52255
+ * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
+ loop->header has virtual PHI, but exit_e->dest doesn't, add
+ virtual PHI to exit_e->dest and adjust all uses after the loop.
+
+ PR debug/52260
+ * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
+ children with clone_tree_hash, not after it.
+
+2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
+ extended identifiers.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51929
+ * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
+ a same_body_alias, also test whether e->callee isn't a former
+ or current clone of the decl this is a same body alias of.
+
+ PR translation/52264
+ * cgraphunit.c (verify_cgraph_node): Fix a typo.
+
+2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
+
+2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/52199
+ * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
+ force_reg instead of copy_to_reg for better optimization. Force
+ non-register or memory operands into a register.
+
+2012-02-15 Andrew MacLeod <amacleod@redhat.com>
+
+ * extend.texi: Reserve upper bits of memory model for future use.
+
+2012-01-15 Georg-Johann Lay <avr@gjlay.de>
+ Anatoly Sokolov <aesok@post.ru>
+ Eric Weddington <eric.weddington@atmel.com>
+
+ PR target/52261
+ * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
+ avrxmega4, avrxmega5, avrxmega6, avrxmega7.
+ Rewrite initializers for .macro.
+ * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
+ avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
+ atxmega32d4, atxmega32x1.
+ avrxmega4: atxmega64a3, atxmega64d3.
+ avrxmega5: atxmega64a1, atxmega64a1u.
+ avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
+ atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
+ avrxmega7: atxmega128a1, atxmega128a1u.
+ * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
+ ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
+ (struct base_arch_s): Rename reserved to xmega_p.
+ Rename reserved2 to have_rampd.
+ (AVR_XMEGA): New define.
+ (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
+ (AVR_HAVE_RAMPZ): Change definition to fit xmega.
+ * config/avr/predicates.md (io_address_operand): Take into
+ account SFR offset.
+ (low_io_address_operand): Ditto.
+ (high_io_address_operand): Ditto.
+ * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
+ (enabled, movhi_sp_r): Use them.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
+ cpp_define_formatted to built-in define __AVR_ARCH__.
+ (__AVR_XMEGA__): New built-in define.
+ (__AVR_HAVE_RAMPD__): New built-in define.
+ (__AVR_HAVE_RAMPX__): New built-in define.
+ (__AVR_HAVE_RAMPY__): New built-in define.
+ (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
+
+ * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
+ (avr_option_override): Initialize them.
+ (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
+ (avr_init_expanders): Initialize them. No more block several calls.
+ (emit_push_sfr): New static function.
+ (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
+ Handle AVR_XMEGA.
+ (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
+ (avr_print_operand): Print addreeses as symbols for
+ RAMPX, RAMPY, RAMPD, CCP.
+ (output_movhi): Handle AVR_XMEGA when writing to SP.
+ (avr_out_movhi_mr_r_xmega): New static function.
+ (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
+ (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
+ __RAMPD__, __CCP__ as needed.
+
+ * config/avr/multilib.h: Regenerate.
+ * config/avr/t-multilib: Regenerate.
+ * config/avr/avr-tables.opt: Regenerate.
+
+2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ PR tree-optimization/50561
+ * graphite-flattening.c (lst_project_loop): Do not
+ remove old scattering dimensions after flattening.
+ (lst_do_flatten): Likewise.
+
+2012-02-15 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Remove doc for
+ __builtin_avr_map8, __builtin_avr_map16.
+ Document __builtin_avr_insert_bits.
+
+ * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
+ (insert_bits): New insn.
+ (adjust_len.map_bits): Rename to insert_bits.
+ (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
+ * avr-protos.h (avr_out_map_bits): Remove.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New.
+ * config/avr/constraints.md (Cxf,C0f): New.
+ * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
+ defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
+ New built-in define __BUILTIN_AVR_INSERT_BITS.
+ * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
+ (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
+ (avr_move_bits): Rewrite.
+ (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
+ functions.
+ (avr_map_op_t): New typedef.
+ (avr_map_op): New static variable.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
+ (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
+ (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
+ (bdesc_3arg, avr_expand_triop_builtin): New.
+ (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
+ (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
+ (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
+ (avr_map_equal_p, avr_map_sig_p): Remove.
+ (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
+ (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
+ (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
+ (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * config/c6x/c6x.md (reserve_cycles): New attribute.
+ * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
+ don't reserve functional units after the branch occurs.
+
+2012-02-14 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52142
+ * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
+ functions into non-tm_pure functions.
+
+2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR lto/52178
+ * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
+ (iterative_hash_canonical_type): Likewise.
+ * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
+ the dead edges.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * haifa-sched.c (prune_ready_list): Ensure that if there is a
+ sched-group insn, it either remains alone or the entire list is
+ pruned.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Fix grammar.
+ (Configuration): Likewise.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
+ MPC as part of GCC before describing configuring with --with-gmp etc.
+ (Installing GCC: Configuration): --with-gmp etc. aren't needed if
+ sources are present.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51950
+ * dwarf2out.c (clone_tree_hash): New function.
+ (copy_decls_walk): Use it instead of clone_tree.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52244
+ PR tree-optimization/51528
+ * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
+ replacements for integral types.
+
+2012-02-14 Walter Lee <walt@tilera.com>
+
+ * config.gcc: Handle tilegx and tilepro.
+ * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
+ tilegx and tilepro.
+ Add HAVE_AS_TLS check for tilegx and tilepro.
+ * configure: Regenerate.
+ * doc/contrib.texi: Add Mat Hostetter and self.
+ * doc/extend.texi (TILE-Gx Built-in Functions): New node.
+ Document instruction intrinsics and network accessing intrinsics.
+ (TILEPro Built-in Functions): New node. Document instruction
+ intrinsics and network accessing intrinsics.
+ * doc/install.texi (Specific, tilegx-*-linux*): Document it.
+ (Specific, tilepro-*-linux*): Likewise.
+ * doc/invoke.texi (TILE-Gx Options): New section.
+ (TILEPro Options): New section.
+ * doc/md.texi (TILE-Gx): New section.
+ (TILEPro): New section.
+ * common/config/tilegx/tilegx-common.c: New file.
+ * common/config/tilepro/tilepro-common.c: New file.
+ * config/tilegx/constraints.md: New file.
+ * config/tilegx/linux.h: New file.
+ * config/tilegx/mul-tables.c: New file.
+ * config/tilegx/predicates.md: New file.
+ * config/tilegx/sync.md: New file.
+ * config/tilegx/t-tilegx: New file.
+ * config/tilegx/tilegx-builtins.h: New file.
+ * config/tilegx/tilegx-c.c: New file.
+ * config/tilegx/tilegx-generic.md: New file.
+ * config/tilegx/tilegx-modes.def: New file.
+ * config/tilegx/tilegx-multiply.h: New file.
+ * config/tilegx/tilegx-protos.h: New file.
+ * config/tilegx/tilegx.c: New file.
+ * config/tilegx/tilegx.h: New file.
+ * config/tilegx/tilegx.md: New file.
+ * config/tilegx/tilegx.opt: New file.
+ * config/tilepro/constraints.md: New file.
+ * config/tilepro/gen-mul-tables.cc: New file.
+ * config/tilepro/linux.h: New file.
+ * config/tilepro/mul-tables.c: New file.
+ * config/tilepro/predicates.md: New file.
+ * config/tilepro/t-tilepro: New file.
+ * config/tilepro/tilepro-builtins.h: New file.
+ * config/tilepro/tilepro-c.c: New file.
+ * config/tilepro/tilepro-generic.md: New file.
+ * config/tilepro/tilepro-modes.def: New file.
+ * config/tilepro/tilepro-multiply.h: New file.
+ * config/tilepro/tilepro-protos.h: New file.
+ * config/tilepro/tilepro.c: New file.
+ * config/tilepro/tilepro.h: New file.
+ * config/tilepro/tilepro.md: New file.
+ * config/tilepro/tilepro.opt: New file.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52210
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
+ vect_model_simple_cost with two entry vect_def_type array instead
+ of an address of dt.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/52178
+ * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+ Do not stream DECL_QUALIFIER.
+ * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
+ * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
+ (find_decls_types_r): Do not walk DECL_QUALIFIER.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/52181
+ * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
+ newdecl.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52172
+ * cselib.h (cselib_subst_to_values_from_insn): New prototype.
+ * cselib.c (cselib_subst_to_values_from_insn): New function.
+ * sched-deps.c (add_insn_mem_dependence,
+ sched_analyze_1, sched_analyze_2): Use it.
+
+2012-02-13 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/52214
+ * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
+
+2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define if not already defined.
+ (driver_self_specs): Add GTM_SELF_SPECS.
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define.
+ * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
+ * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
+ away if seen.
+
+ * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
+ non-NULL.
+
+ PR middle-end/52230
+ * omp-low.c (expand_omp_for): If a static schedule without
+ chunk size has NULL region->cont, force fd.chunk_size to be
+ integer_zero_node.
+
+2012-02-13 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Fix another __atomic_compare_exchange typo.
+
+2012-02-13 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52211
+ * passes.c (enable_disable_pass): Fix typo.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52209
+ * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
+ XOR for reduce_bit_field if type is unsigned.
+
+2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
+ disallow changes from SFmode to mode with different size in FP regs.
+
+2012-02-12 Robert Millan <rmh@gnu.org>
+ Gerald Pfeifer <gerald@pfeifer.com>
+
+ * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
+ Tweak comment.
+
+2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/52175
+ * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
+ to frame-related instructions.
+
+2012-02-10 Jason Merrill <jason@redhat.com>
+
+ PR c++/51910
+ * tlink.c (demangled_hash_entry): Change mangled to a VEC.
+ (demangle_new_symbols): Fill it.
+ (scan_linker_output): Walk it.
+ (start_tweaking): Split out from scan_linker_output.
+ (maybe_tweak): Update sym->chosen.
+ * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
+
+2012-02-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52132
+ * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
+ get_true_reg.
+
+2012-02-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
+ having the same mode as previous compare.
+
+2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
+ * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
+ (nonlocal_goto_internal): Likewise.
+ (nonlocal_goto): Emit a use and an indirect jump directly.
+
+2012-02-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Update comments for __atomic_compare_exchange and
+ __atomic_{is,always}_lock_free.
+
+2012-02-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52146
+ * config/i386/i386.c (ix86_legitimate_address_p): Disallow
+ negative constant address for x32.
+
+2012-02-10 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
+ * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
+ for GIMPLE_TRANSACTION. Tidy if's into a switch.
+
+2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+ Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/50031
+ * targhooks.c (default_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
+ * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
+ all types of reduction and pattern statements.
+ (vect_estimate_min_profitable_iters): Likewise.
+ * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
+ (vect_get_load_cost): Use vec_perm for permutations; add dump logic
+ for explicit realigns.
+ (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
+ vec_perm for VSX and handle vec_promote_demote.
+
+2012-02-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52177
+ * builtins.c (fold_builtin_atomic_always_lock_free,
+ expand_builtin_atomic_always_lock_free,
+ fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
+ Return and/or test boolean_true_node/boolean_false_node instead of
+ integer_one_node/integer_zero_node.
+
+2012-02-10 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48600
+ * predict.c (predict_paths_for_bb): Prevent looping.
+ (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
+
+2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
+
+ * config/arm/arm.c (output_move_double): In one case properly
+ count number of instructions that will be emitted.
+
+2012-02-10 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52193
+ * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
+
+2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
+
+ PR middle-end/52140
+ * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
+
+2012-02-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52165
+ * var-tracking.c (emit_note_insn_var_location): If
+ EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
+ emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
+ non-NOTE_DURING_CALL_P insn.
+
+2012-02-09 Bin Cheng <bin.cheng@arm.com>
+
+ PR middle-end/51867
+ * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
+
+2012-02-08 Magnus Granberg <zorry@gentoo.org>
+
+ PR driver/48524
+ * gcc.c (switch_matches) Support switches with separated form,
+ -D and -U.
+
+2012-02-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (SREG_ADDR): Remove constant definition.
+ (SP_ADDR): Ditto.
+ (RAMPZ_ADDR): Ditto.
+ * config/avr/avr.c (avr_addr_t): New typedef.
+ (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
+ (avr_init_expanders): Initialize it.
+ (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
+ SREG_ADDR.
+ (expand_epilogue): Ditto.
+ (avr_print_operand): Ditto.
+ (avr_file_start): Ditto.
+ (avr_emit_movmemhi): Ditto.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46886
+ * tree-flow.h (do_while_loop_p): Declare.
+ * tree-ssa-loop-ch.c (do_while_loop_p): Export.
+ * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
+
+2012-02-08 Andrew MacLeod <amacleod@redhat.com>
+
+ * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
+ always succeed for integers larger than a native word.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52170
+ * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
+ properly handle integer vector modes.
+
+2012-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/52150
+ * coverage.c: Include target.h.
+ (build_var): Call targetm.strip_name_encoding on the assembler name.
+ Change one _ into . or $ if the target allows it.
+ * Makefile.in (coverage.o): Depend on $(TARGET_H).
+
+ PR rtl-optimization/52139
+ * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
+ is a BARRIER after emit_insn_after_noloc, move BB_END
+ to the last non-BARRIER insn before it.
+
+2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/24306
+ * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
+ (mips_gimplify_va_arg_expr): Call it instead of
+ std_gimplify_va_arg_expr.
+
+2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
+ message for -mno-pointers-to-nested-function.
+
+2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/51994
+ * expr.c (get_inner_reference): If there is an offset, add a negative
+ bit position to it (if any).
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52060
+ * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
+ copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
+ before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
+ and/or i0src_copy2 when needed.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
+ or LTOPLUGINSONAME if have_c.
+
+ * config/freebsd-spec.h: Add comment about what macros can be defined
+ in this header.
+ (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
+ * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
+ here instead.
+
+2012-02-07 Richard Guenther <rguenther@suse.de>
+
+ * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
+ newline in -alias dumps.
+
+2012-02-07 Kai Tietz <ktietz@redhat.com>
+ Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/40068
+ * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
+ Take care that typinfo gets dllexport-attribute.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52074
+ * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
+ if modifier < EXPAND_SUM call force_operand on the result.
+
+2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
+ adding __forwarder_dst__ prefix if a forwarder_section attribute is
+ present.
+ (epiphany_function_type): Replace types for specific interrupts with
+ EPIPHANY_FUNCTION_INTERRUPT.
+ (EPIPHANY_INTERRUPT_P): Update.
+ * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
+ New static function.
+ (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
+ <disinterrupt>: Affects type identity.
+ (epiphany_handle_interrupt_attribute): Handle variable number of
+ arguments.
+ (epiphany_compute_function_type): Update for new
+ epiphany_function_type definition.
+ (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
+ handlers with a longcall forwarder.
+ (epiphany_start_function): Handle multiple interrupt arguments and/or
+ forwarder_section attribute.
+
+ * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
+ libgloss.
+
+2012-02-07 Alan Modra <amodra@gmail.com>
+
+ PR target/52107
+ * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
+ subregs of TFmode.
+
+2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/50969
+ * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
+ use vec_perm rather than vector_stmt.
+ (vect_model_load_cost): Likewise.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
+ vec_perm to be the same as other vector statements.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
+ cost of vec_perm for TARGET_VSX.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52115
+ * tree-sra.c (access_has_replacements_p): New function.
+ (sra_modify_assign): Use it to decide whether a use is uninitialized.
+
+2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/52047
+ * trans-mem.c (expand_call_tm): Add an assertion.
+ * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
+ functions.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50955
+ * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
+ raise cost of expressions that replace an address with an
+ expression based on a different pointer.
+
+2012-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52129
+ * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
+ CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
+
+2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/48680
+ * doc/invoke.texi (C++ Dialect Options): Use @option markup for
+ -Weffc++ and specify guidelines come from second edition.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
+ (sibcall_value_multiple_internal, call_split, call_internal_direct)
+ (call_direct_split, call_value_split, call_value_internal_direct)
+ (call_value_direct_split, call_value_multiple_split): Use jal and
+ jal_macro attributes.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reload1.c (reload_regs_reach_end_p): Replace with...
+ (reload_reg_rtx_reaches_end_p): ...this function.
+ (new_spill_reg_store): Update commentary.
+ (emit_input_reload_insns): Don't clear new_spill_reg_store here.
+ (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
+ before setting new_spill_reg_store.
+ (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
+ Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
+ Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
+ for non-spill reload registers.
+
+2012-02-05 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/52091
+ * tree-vectorizer.h (vect_is_simple_use): Add an argument.
+ (vect_is_simple_use_1): Likewise.
+ * tree-vect-loop.c (vectorizable_reduction): Update calls
+ to vect_is_simple_use_1 and vect_is_simple_use.
+ (vectorizable_live_operation): Likewise.
+ * tree-vect-patterns.c (widened_name_p,
+ vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
+ * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
+ vectorizable_call, vectorizable_conversion, vectorizable_assignment,
+ vectorizable_shift,vectorizable_operation, vectorizable_store,
+ vectorizable_load): Likewise.
+ (vect_is_simple_cond): Add an argument, pass it to
+ vect_is_simple_use_1.
+ (vectorizable_condition): Update calls to vect_is_simple_cond,
+ vect_is_simple_use.
+ (vect_is_simple_use): Add an argument, the statement in which
+ OPERAND is used. Check that if OPERAND's def stmt is a double
+ reduction phi node, the use is a phi node too.
+ (vect_is_simple_use_1): Add an argument, pass it to
+ vect_is_simple_use.
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
+ to vect_is_simple_use.
+
+2012-02-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52095
+ * modulo-sched.c (dump_insn_locator): New function.
+ (loop_canon_p, sms_schedule): Use it.
+
+ PR rtl-optimization/52113
+ * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
+ even for decomposable shift/zext insns.
+
+2012-02-03 Jakub Jelinek <jakub@redhat.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/52092
+ * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
+ on get_iv_value result.
+
+2012-02-02 Andrew Pinski <apinski@cavium.com>
+
+ PR middle-end/47982
+ PR middle-end/43967
+ * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48071
+ * diagnostic.c (diagnostic_finish): Remove trailing newlines.
+
+2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/49800
+ * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
+ (sched_finish): Call regstat_free_n_sets_and_refs.
+
+2012-02-02 Jia Liu <proljc@gmail.com>
+
+ * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
+ than operand 2.
+
+2012-02-02 Jan Hubicka <jh@suse.cz>
+ Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/51998
+ * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
+ * varpool.c (varpool_analyze_pending_decls): Likewise.
+
+2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
+ Jayant R Sonar <jayant.sonar@kpitcummins.com>
+
+ * config.gcc: Add cr16-* support.
+
+ * doc/extend.texi: Document cr16 extensions.
+ * doc/install.texi: Document cr16 install.
+ * doc/invoke.texi: Document cr16 options.
+ * doc/md.texi: Document cr16 constraints.
+
+ * common/config/cr16/cr16-common.c: New file.
+ * config/cr16/cr16.c: New file.
+ * config/cr16/cr16.h: New file.
+ * config/cr16/cr16.md: New file.
+ * config/cr16/cr16.opt: New file.
+ * config/cr16/cr16-protos.h: New file.
+ * config/cr16/predicates.md: New file.
+ * config/cr16/constraints.md: New file.
+ * config/cr16/t-cr16: New file.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52086
+ * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
+ that operands[2] is either immediate, or q_regs_operand.
+
+ PR tree-optimization/52073
+ * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
+ a pattern stmt for pattern uses, ignore uses outside of the loop.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c: Resolve all AS1 and AS2 macros.
+ * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
+ (OUT_AS1, OUT_AS2): Remove.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/51374
+ * combine.c (can_combine_p): Don't allow volatile_refs_p insns
+ to cross other volatile_refs_p insns.
+
+2012-02-01 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (fno-inline): Clarify documentation.
+ (finline-small-functions): Likewise.
+ (finline-functions): Likewise.
+ * common.opt (finline): Adjust comment and documentation.
+ (finline-small-functions): Clarify documentation.
+ (finline-functions): Likewise.
+ (finline-functions-called-once): Likewise.
+
+2012-02-01 Tristan Gingold <gingold@adacore.com>
+
+ * c-typeck.c (composite_type): Keep mode for pointers.
+
+2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * function.h (regno_reg_rtx): Adjust comment.
+ * reginfo.c (init_reg_modes_target): Only use the previous mode
+ if it fits within one register. Remove MIPS comment.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52058
+ * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
+
+2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
+ to srak instruction.
+
+2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
+
+2012-01-31 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
+ assigns.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ree.c (add_removable_extension): Change def_map argument
+ to unsigned *, store in def_map 1 + offset into *insn_list vector
+ instead of pointers into the vector.
+ (find_removable_extensions): Adjust caller.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Resolve all AS1 and AS2 macros.
+ Transform all "* quoted-c-code" to { c-code }.
+ Remove redundant test for "optimize" in combine patterns.
+ Move (include "avr-dimode.md") to end of file.
+
+2012-01-30 Bin Cheng <bin.cheng@arm.com>
+
+ PR target/51835
+ * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
+ for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52028
+ * tree-loop-distribution.c (ldist_gen): Properly update
+ virtual SSA form.
+
+2012-01-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52027
+ * dwarf2out.c (dwarf2out_switch_text_section): Don't call
+ set_cur_line_info_table if not emitting debug info.
+
+ PR tree-optimization/52046
+ * tree-vect-patterns.c (check_bool_pattern): Give up if
+ a comparison could throw.
+
+ PR debug/52048
+ * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
+ SSA form if cfgcleanup did anything.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
+ before computing final todo.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Re-factor in preparation
+ for PR51528 fix.
+
+2012-01-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * df-problems.c (df_kill_notes): Check that the use refers
+ to the note under examination.
+
+2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/51920
+ * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
+ parameter and use short-lived pseudos.
+ (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
+ (sparc_expand_vector_init): Const-ify local variables and adjust
+ calls to above functions.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
+
+2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Make usage of "compile time" and
+ "run time"/"runtime" consistent throughout the file.
+
+2012-01-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_option_override): Default to
+ full IEEE compliance mode for Go language.
+
+2011-01-29 Tijl Coosemans <tijl@coosemans.org>
+
+ * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
+ (LINK_SSP_SPEC): Define.
+
+2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/51871
+ * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
+ stubs.
+
+2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct hyphenation of "floating point",
+ "double precision", and related terminology throughout the file.
+
+2012-01-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52006
+ * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
+ arm_general_register_operand predicate for operand 2 instead of
+ register_operand.
+
+2012-01-27 Ian Lance Taylor <iant@google.com>
+
+ PR go/47656
+ * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
+ * builtins.c (expand_builtin_init_trampoline): Add onstack
+ parameter. Change caller.
+ (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
+ * tree.c (build_common_builtin_nodes): Declare
+ __builtin_init_heap_trampoline.
+
+2012-01-27 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
+ tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
+ * config/avr/avr.c: Ditto.
+ (avr_regnames): Remove because unused.
+ * config/avr/avr.md (*cpse.ne): New peephole.
+ (*cpse.eq): New peephole from former cpse peepholes.
+
+2012-01-27 Michael Eager <eager@eagercon.com>
+
+ * config/microblaze.c (microblaze_emit_compare): Correct
+ test after pcmp instruction.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52020
+ * tree-sra.c (sra_modify_assign): Do not transform clobbers.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ * ipa-pure-const.c (check_stmt): Clobbers do not make a
+ function non-const/pure.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * tree-sra.c (build_ref_for_offset): Properly adjust the
+ MEM_REF type for unaligned accesses.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * expr.c (mem_ref_refers_to_non_mem_p): New function.
+ (expand_assignment): Use it. Properly handle misaligned
+ bases when expanding stores to component references.
+ (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
+ refactor that case.
+
+2012-01-27 Andrey Belevantsev <abel@ispras.ru>
+
+ PR middle-end/51389
+ * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
+ * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
+ * tree-data-ref.c (find_data_references_in_loop): Make static.
+ (compute_all_dependences): Change return type to bool. Bail out
+ for too many datarefs in a loop. Move the hunk resetting the data
+ dependences vector from ...
+ (compute_data_dependences_for_loop): ... here. Account for
+ compute_all_dependences returning false.
+ (compute_data_dependences_for_bb): Likewise.
+ * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
+ * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51959
+ * expr.c (store_field): Use the alias-set of the scratch memory
+ for storing to it.
+
+2012-01-27 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51990
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
+ WITH_SIZE_EXPR.
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
+
+2012-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52001
+ * var-tracking.c (reverse_op): Don't add any reverse operation
+ if V already has any constant locations.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct usage of "command line" (noun)
+ vs "command-line" (adjective) throughout.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Language Independent Options): Move
+ -Wcoverage-mismatch blurb from here....
+ (Warning Options): ...to here.
+
+2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal):
+ Set rs6000_always_hint to false for 476.
+
+2012-01-27 Matthias Klose <doko@ubuntu.com>
+
+ * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
+ system root.
+ * incpath.c (add_standard_paths): Likewise.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/m68k/sync.md (atomic_test_and_set): Rename from
+ sync_test_and_setqi and adjust the operands.
+ (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
+ and unconditionally enable.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
+ (ldstub): Rename from ldstubqi.
+ (ldstub<I24MODE>): Remove.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * c-cppbuiltin.c (cpp_atomic_builtins): Define
+ __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
+ * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
+ * doc/tm.texi: Rebuild.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (gen_atomic_test_and_set): Remove default.
+ (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
+
+2012-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51978
+ * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
+ (combine_reaching_defs): Likewise.
+ (struct re_info): Remove.
+ (add_removable_extension): Remove x and data arguments,
+ add insn, insn_list and def_map. Use the arguments directly
+ instead of using struct re_info.
+ (find_removable_extensions): Don't call add_removable_extension
+ through note_stores, instead just call it with single_set
+ result if non-NULL.
+ (find_and_remove_re): Pass curr_cand->expr instead of
+ PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/46590
+ * cfgexpand.c: Revert last change (r183305).
+ * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
+ regs.
+ * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
+ checking for emptiness.
+
+2012-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51895
+ * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
+ non-addressable non-BLKmode base correctly.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/48794
+ * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
+ regions referenced from RESX/EH_DISPATCH.
+
+2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.h: Make BRANCH_COST an option.
+ * config/s390/s390.opt: New option -mbranch-cost.
+
+2012-01-26 Richard Henderson <rth@redhat.com>
+
+ Revert 2012-01-24 change:
+ * trans-mem.c (requires_barrier): Do not instrument thread local
+ variables and emit save/restore for them.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51986
+ * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
+ for pat == 0.
+
+2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_small_data_pattern_1): Don't process
+ ASM_OPERANDS.
+
+2012-01-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ Rename __pgm to __flash.
+ Rename __pgm1 to __flash1.
+ Rename __pgm2 to __flash2.
+ Rename __pgm3 to __flash3.
+ Rename __pgm4 to __flash4.
+ Rename __pgm5 to __flash5.
+ Rename __pgmx to __memx.
+ * doc/extend.texi (AVR Named Address Spaces)
+ Rename address space names as indicated above.
+ * config/avr/avr.c (avr_addrspace): Ditto.
+
+ * config/avr/avr-protos.h
+ (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
+ (avr_mem_pgm_p): Rename to avr_mem_flash_p.
+ * config/avr/predicates.md: Ditto.
+ * config/avr/avr.c Ditto, and
+ (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
+ (avr_decl_pgm_p): Rename to avr_decl_flash_p.
+
+ * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
+ (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
+ (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
+ (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
+ (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
+ (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
+ (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
+ * config/avr/avr.c: Ditto.
+ * config/avr/avr.md: Ditto.
+
+2012-01-25 Jason Merrill <jason@redhat.com>
+
+ PR c++/51992
+ * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51987
+ * tree-data-ref.c (get_references_in_stmt): Handle references in
+ non-volatile GIMPLE_ASM.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
+ bases are dereferenced.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/48374
+ * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
+ compute_data_dependences_for_loop returns false.
+ * tree-parloops.c (loop_parallel_p): Likewise.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (get_pointer_alignment_1): Declare.
+ * builtins.c (get_pointer_alignment_1): New function.
+ (get_pointer_alignment): Use it.
+
+2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR rtl-optimization/48308
+ * combine.c (enum undo_kind): Add UNDO_LINKS.
+ (struct undo): Add member l to other_contents and where.
+ (do_SUBST_LINK): New.
+ (SUBST_LINK): New.
+ (try_combine): Handle LOG_LINKS for the dummy i1 case.
+ (undo_all): Handle UNDO_LINKS.
+
+2012-01-25 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
+ mem inputs.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * optabs.c (gen_atomic_test_and_set): Use each argument.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
+ (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
+ (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
+ (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
+ (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
+ TARGET_PAIRED_SINGLE_FLOAT.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
+ (in_struct, return_val): Remove MEM documentation.
+ * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
+ (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
+ (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
+ and MEM_SCALAR.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * cfgexpand.c (add_alias_set_conflicts): Likewise.
+ * expr.c (store_field): Likewise.
+ * function.c (assign_stack_temp_for_type): Likewise.
+ * ifcvt.c (noce_try_cmove_arith): Likewise.
+ * reload1.c (reload): Likewise.
+ * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
+ (alpha_set_memflags): Likewise.
+ * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
+
+2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (true_dependence, canon_true_dependence): Remove varies
+ parameter.
+ * alias.c (fixed_scalar_and_varying_struct_p): Delete.
+ (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
+ (true_dependence_1, true_dependence, canon_true_dependence): Remove
+ varies parameter.
+ * cselib.c (cselib_rtx_varies_p): Delete.
+ (cselib_invalidate_mem): Update call to canon_true_dependence.
+ * dse.c (record_store, check_mem_read_rtx): Likewise.
+ (scan_reads_nospill): Likewise.
+ * cse.c (check_dependence): Likewise.
+ (cse_rtx_varies_p): Delete.
+ * expr.c (safe_from_p): Update call to true_dependence.
+ * ira.c (validate_equiv_mem_from_store): Likewise.
+ (memref_referenced_p): Likewise.
+ * postreload-gcse.c (find_mem_conflicts): Likewise.
+ * sched-deps.c (sched_analyze_2): Likewise.
+ * store-motion.c (load_kills_store): Likewise.
+ * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
+ * gcse.c (mems_conflict_for_gcse_p): Likewise.
+ (compute_transp): Update call to canon_true_dependence.
+
2012-01-25 Richard Henderson <rth@redhat.com>
* optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
to effect no-op split.
2012-01-24 Aldy Hernandez <aldyh@redhat.com>
+
+ PR lto/51698
+ * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
+ (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
+ (BT_FN_VOID_PTR_INT_SIZE): New.
+ (BT_FN_UINT_UINT_VAR): Remove.
+ (BT_FN_UINT32_UINT32_VAR): New.
+ (BT_FN_DOUBLE_VPTR): Remove.
+ (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
+
+ * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
+ (_ITM_changeTransactionMode): Same.
+ (_ITM_memmoveRtWt): Change return type to void.
+ (_ITM_memcpyRtWt): Same.
+ (_ITM_memsetW): Same.
+ (_ITM_RaRD): Change types to double.
+ (_ITM_RD): Same.
+ (_ITM_RaWD): Same.
+ (_ITM_RfWD): Same.
+
+ * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
+
+2012-01-24 Aldy Hernandez <aldyh@redhat.com>
Patrick Marlier <patrick.marlier@gmail.com>
* trans-mem.c (requires_barrier): Do not instrument thread local
* trans-mem.c (ipa_tm_create_version): Set externally_visible.
(ipa_tm_create_version_alias): Same.
-2012-01-18 Uros Bizjak <ubizjak@gmail.com>
+2012-01-23 Uros Bizjak <ubizjak@gmail.com>
PR libitm/51830
* builtin-types.def (BT_FN_UINT_UINT_VAR): New.
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