+2005-02-18 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/26350
+ * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
+ MEM for ABI_V4 pic.
+
+2005-02-18 Richard Sandiford <richard@codesourcery.com>
+
+ * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
+ * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
+ (copy_insn_1): Likewise. Don't copy each field individually.
+ Reindent.
+ * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
+ of RTX_SIZE.
+ * reload1.c (eliminate_regs): Use shallow_copy_rtx.
+ * rtl.c (rtx_size): Rename variable to...
+ (rtx_code_size): ...this.
+ (rtx_size): New function.
+ (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
+ (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
+ Reindent.
+ (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
+ * rtl.h (rtx_code_size): New variable.
+ (rtx_size): Change from a variable to a function.
+ (RTX_SIZE): Rename to...
+ (RTX_CODE_SIZE): ...this.
+
+ PR target/9703
+ PR tree-optimization/17106
+ * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
+ (Anchored Addresses): New section.
+ * doc/invoke.texi (-fsection-anchors): Document.
+ * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
+ (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
+ (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
+ * hooks.c (hook_bool_mode_rtx_false): New function.
+ * hooks.h (hook_bool_mode_rtx_false): Declare.
+ * gengtype.c (create_optional_field): New function.
+ (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
+ SYMBOL_REF_IN_BLOCK_P is true.
+ * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
+ (min_anchor_offset, max_anchor_offset): Likewise.
+ (use_anchors_for_symbol_p): New hook.
+ * toplev.c (compile_file): Call output_object_blocks.
+ (target_supports_section_anchors_p): New function.
+ (process_options): Check that -fsection-anchors is only used on
+ targets that support it and when -funit-at-a-time is in effect.
+ * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
+ if the decl doesn't have one.
+ * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
+ * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
+ of force_const_mem through use_anchored_address.
+ (expand_expr_constant): New function.
+ (expand_expr_addr_expr_1): Call it. Use the same modifier when
+ calling expand_expr for INDIRECT_REF.
+ (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
+ for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
+ * expr.h (use_anchored_address): Declare.
+ * loop-unroll.c: Don't declare rtx vectors here.
+ * explow.c: Include output.h.
+ (validize_mem): Call use_anchored_address.
+ (use_anchored_address): New function.
+ * common.opt (-fsection-anchors): New switch.
+ * varasm.c (object_block_htab, anchor_labelno): New variables.
+ (hash_section, object_block_entry_eq, object_block_entry_hash)
+ (use_object_blocks_p, get_block_for_section, create_block_symbol)
+ (use_blocks_for_decl_p, change_symbol_section): New functions.
+ (get_variable_section): New function, split out from assemble_variable.
+ (make_decl_rtl): Create a block symbol if use_object_blocks_p and
+ use_blocks_for_decl_p say so. Use change_symbol_section if the
+ symbol has already been created.
+ (assemble_variable_contents): New function, split out from...
+ (assemble_variable): ...here. Don't output any code for
+ block symbols; just pass them to place_block_symbol.
+ Use get_variable_section and assemble_variable_contents.
+ (get_constant_alignment, get_constant_section, get_constant_size): New
+ functions, split from output_constant_def_contents.
+ (build_constant_desc): Create a block symbol if use_object_blocks_p
+ says so. Or into SYMBOL_REF_FLAGS.
+ (assemble_constant_contents): New function, split from...
+ (output_constant_def_contents): ...here. Don't output any code
+ for block symbols; just pass them to place_section_symbol.
+ Use get_constant_section and get_constant_alignment.
+ (force_const_mem): Create a block symbol if use_object_blocks_p and
+ use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
+ (output_constant_pool_1): Add an explicit alignment argument.
+ Don't switch sections here.
+ (output_constant_pool): Adjust call to output_constant_pool_1.
+ Switch sections here instead. Don't output anything for block symbols;
+ just pass them to place_block_symbol.
+ (init_varasm_once): Initialize object_block_htab.
+ (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
+ (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
+ (place_block_symbol, get_section_anchor, output_object_block)
+ (output_object_block_htab, output_object_blocks): New functions.
+ * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
+ (TARGET_ASM_OUT): Include it.
+ (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
+ (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
+ (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
+ (TARGET_INITIALIZER): Include them.
+ * rtl.c (rtl_check_failed_block_symbol): New function.
+ * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
+ (block_symbol, object_block): New structures.
+ (rtx_def): Add a block_symbol field to the union.
+ (BLOCK_SYMBOL_CHECK): New macro.
+ (rtl_check_failed_block_symbol): Declare.
+ (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
+ (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
+ (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
+ (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
+ * output.h (output_section_symbols): Declare.
+ (object_block): Name structure.
+ (place_section_symbol, get_section_anchor, default_asm_output_anchor)
+ (default_use_anchors_for_symbol_p): Declare.
+ * Makefile.in (RTL_BASE_H): Add vec.h.
+ (explow.o): Depend on output.h.
+ * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
+ (TARGET_MAX_ANCHOR_OFFSET): Likewise.
+ (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
+ (rs6000_use_blocks_for_constant_p): New function.
+
+2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
+
+2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/25680
+ * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
+ IMAGPART_EXPR.
+
+2006-02-18 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
+ is_aliased.
+ Update all users.
+
+2006-02-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/26334
+ * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
+ instead of DECL_REGISTER.
+
+2006-02-18 Olivier Hainque <hainque@adacore.com>
+
+ PR ada/13408
+ * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
+
+2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR target/24837
+ * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
+ * opth-gen.awk: Handle Var and InverseMask together.
+ * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
+ * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
+ (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
+ (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
+ used together.
+ (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
+ LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
+ * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
+ UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
+ LINUX_DYNAMIC_LINKER): Define.
+ (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
+ * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
+ TARGET_GLIBC.
+ * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
+ * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ (TARGET_C99_FUNCTIONS): Don't define.
+ * config/i386/linux.h (DYNAMIC_LINKER): Rename to
+ GLIBC_DYNAMIC_LINKER.
+ (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
+ * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
+ GLIBC_DYNAMIC_LINKER64): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
+ LINUX_DYNAMIC_LINKER64.
+ * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
+ GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
+ UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
+ and LINUX_DYNAMIC_LINKER32.
+ * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
+ TARGET_GLIBC.
+ * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
+ (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
+ UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
+ CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
+ LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
+ (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
+ (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
+ * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
+ UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
+ LINUX_DYNAMIC_LINKER): Define.
+ (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
+ * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
+ GLIBC_DYNAMIC_LINKER64): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
+ LINUX_DYNAMIC_LINKER64.
+ * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
+ UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
+ LINUX_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
+ * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
+ GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
+ UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
+ LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
+ (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
+ (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
+ (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
+ * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
+ (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
+ * doc/invoke.texi (-muclibc): Remove caveat about supported
+ targets.
+
+2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
+
+ * doc/cpp.texi (__TIMESTAMP__): Document.
+
+2006-02-17 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/25600
+ * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
+ C is one less than the width of X (and related transformations).
+ * simplify_rtx.c (simplify_unary_operation_1): Transform
+ (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
+ depending on STORE_FLAG_VALUE, were C is one less then the
+ width of X.
+
+2006-02-17 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26341
+ * tree-ssa-operands.c (add_virtual_operand): Remove assert
+ about NAME_MEMORY_TAG's.
+
+2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/26255
+ * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
+ with hardware float support, and software float support. Add fcpy
+ alternative to hardware patterns. Add alternatives to copy between
+ general and floating-point registers to the 32-bit pattern.
+ * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
+ secondary reload to load a QI or HI mode constant into a floating
+ point register.
+ * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
+ * pa64-regs.h (VALID_FP_MODE_P): Likewise.
+
+2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR target/26272
+ * config/rs6000/darwin.md (load_macho_picbase_si): Add
+ pc to the pattern.
+ (load_macho_picbase_di): Likewise.
+
2006-02-16 Jeff Law <law@redhat.com>
* tree-vrp.c (set_value_range_to_nonnegative): New function.
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