+2011-05-25 Ian Lance Taylor <iant@google.com>
+
+ * godump.c (go_format_type): Output the first field with a usable
+ Go type, if any.
+
+2011-05-25 Ian Lance Taylor <iant@google.com>
+
+ * godump.c (go_format_type): Check for invalid type names, pointer
+ target types, and struct field types.
+
+2011-05-25 Jason Merrill <jason@redhat.com>
+
+ * print-tree.c (print_node): Only look at TREE_TYPE if TS_TYPED.
+
+2011-05-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (*<sse>_maskcmp<mode>3_comm): New pattern.
+
+2011-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (*movqi_extv_1)): Put back
+ "register_operand" check in "type" calculation.
+ (*movqi_extzv_2): Likewise.
+
+2011-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/extend.texi (X86 Built-in Functions): Update pause intrinsic.
+
+2011-05-25 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/49160
+ * libgcc2.h (__powisf2, __powidf2, __powitf2, __powixf2,
+ __mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3,
+ __divxc3, __divtc3): Wrap definitions in #ifndef.
+
+2011-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/49142
+ * config/i386/i386.md (*movqi_extv_1_rex64): Remove
+ "register_operand" check and replace q_regs_operand with
+ QIreg_operand in "type" calculation.
+ (*movqi_extv_1): Likewise.
+ (*movqi_extzv_2_rex64): Likewise.
+ (*movqi_extzv_2): Likewise.
+
+ * config/i386/predicates.md (QIreg_operand): New.
+
+2011-05-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
+ type-based offset disambiguation, streamline MEM_REF and
+ TARGET_MEM_REF handling.
+
+2011-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_PAUSE.
+ (bdesc_special_args): Add pause intrinsic.
+
+ * config/i386/i386.md (UNSPEC_PAUSE): New.
+ (pause): Likewise.
+ (*pause): Likewise.
+ * config/i386/ia32intrin.h (__pause): Likewise.
+
+ * doc/extend.texi (X86 Built-in Functions): Add documentation for
+ pause intrinsic.
+
+2011-05-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/46728
+ * tree-ssa-math-opts.c (gimple_expand_builtin_pow): New.
+ (execute_cse_sincos): Add switch case for BUILT_IN_POW.
+
+2011-05-25 Nathan Froyd <froydnj@codesourcery.com>
+
+ * tree.h (struct tree_exp): Inherit from struct tree_typed.
+ * tree.c (initialize_tree_contains_struct): Mark TS_EXP as TS_TYPED
+ instead of TS_COMMON.
+
+2011-05-25 Bernd Schmidt <bernds@codesourcery.com>
+
+ * libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if
+ LIBGCC2_GNU_PREFIX is defined.
+ (__N): New macro.
+ (__powisf2, __powidf2, __powitf2, __powixf2, __bswapsi2, __bswapdi2,
+ __mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3, __divxc3,
+ __divtc3, __udiv_w_sdiv, __clear_cache, __enable_execute_stack,
+ __clz_tab): Define using __N.
+ (__absvsi2, __negvsi2, __addvsi3, __subvsi3, __mulvsi3): Likewise if
+ COMPAT_SIMODE_TRAPPING_ARITHMETIC.
+ * target.def (libfunc_gnu_prefix): New hook.
+ * doc/tm.texi.in (LIBGCC2_GNU_PREFIX): Document.
+ (TARGET_LIBFUNC_GNU_PREFIX): Add hook.
+ * doc/tm.texi: Regenerate.
+ * system.h (LIBGCC2_GNU_PREFIX): Poison.
+ * optabs.c (gen_libfunc): Take the libfunc_gnu_prefix hook into
+ account.
+ (gen_interclass_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
+ (init_optabs): Likewise for the bswap libfuncs.
+ * tree.c (build_common_builtin_nodes): Likewise for complex multiply
+ and divide.
+ * config/t-slibgcc-elf-ver (SHLIB_MAPFILES): Use $$(libgcc_objdir).
+ * config/t-slibgcc-sld (SHLIB_MAPFILES): Likewise.
+ * libgcc-std.ver: Remove.
+ * Makefile.in (srcdirify): Handle $$(libgcc_objdir).
+ * config/frv/t-linux (SHLIB_MAPFILES): Use $$(libgcc_objdir) for
+ libgcc-std.ver.
+ * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
+ * config/mips/t-slibgcc-irix (SHLIB_MAPFILES): Likewise.
+ * config/rs6000/t-aix43 (SHLIB_MAPFILES): Likewise.
+ * config/rs6000/t-aix52 (SHLIB_MAPFILES): Likewise.
+ * config/sparc/t-linux (SHLIB_MAPFILES): Likewise.
+ * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
+ * config/i386/t-linux (SHLIB_MAPFILES): Likewise.
+ * config/fixed-bit.h (FIXED_OP): Define differently depending on
+ LIBGCC2_GNU_PREFIX. All uses changed not to pass leading underscores.
+ (FIXED_CONVERT_OP, FIXED_CONVERT_OP2): Likewise.
+
+2011-05-25 Jan Hubicka <jh@suse.cz>
+
+ * lto-streamer-out.c (output_record_start): Use lto_output_enum
+ (lto_output_tree): Use output_record_start.
+ * lto-streamer-in.c (input_record_start): Use lto_input_enum
+ (lto_get_pickled_tree): Use input_record_start.
+ * lto-section-in.c (lto_section_overrun): Turn into fatal error.
+ (lto_value_range_error): New function.
+ * lto-streamer.h (lto_value_range_error): Declare.
+ (lto_output_int_in_range, lto_input_int_in_range): New functions.
+ (lto_output_enum, lto_input_enum): New macros.
+
+2011-05-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * common.opt (flag_stack_usage_info): New variable.
+ (-Wstack-usage): New option.
+ * doc/invoke.texi (Warning options): Document -Wstack-usage.
+ * opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
+ <OPT_fstack_usage>: Likewise.
+ * toplev.c (output_stack_usage): Handle -Wstack-usage.
+ * calls.c (expand_call): Test flag_stack_usage_info variable instead
+ of flag_stack_usage.
+ (emit_library_call_value_1): Likewise.
+ * explow.c (allocate_dynamic_stack_space): Likewise.
+ * function.c (instantiate_virtual_regs ): Likewise.
+ (prepare_function_start): Likewise.
+ (rest_of_handle_thread_prologue_and_epilogue): Likewise.
+ * config/alpha/alpha.c (alpha_expand_prologue): Likewise.
+ * config/arm/arm.c (arm_expand_prologue): Likewise.
+ (thumb1_expand_prologue): Likewise.
+ * config/avr/avr.c (expand_prologue): Likewise.
+ * config/i386/i386.c (ix86_expand_prologue): Likewise.
+ * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
+ * config/m68k/m68k.c (m68k_expand_prologue): Likewise.
+ * config/mips/mips.c (mips_expand_prologue): Likewise.
+ * config/pa/pa.c (hppa_expand_prologue): Likewise.
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
+ * config/s390/s390.c (s390_emit_prologue): Likewise.
+ * config/sh/sh.c (sh_expand_prologue): Likewise.
+ * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
+ * config/spu/spu.c (spu_expand_prologue): Likewise.
+
+2011-05-25 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
+ (gimple_canonical_types_compatible_p): Likewise.
+
2011-05-25 Jan Hubicka <jh@suse.cz>
PR middle-end/49062
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