+2006-02-26 Roger Sayle <roger@eyesopen.com>
+ James A. Morrison <phython@gcc.gnu.org>
+
+ PR middle-end/21137
+ * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
+ when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
+ new constant C2<<C1, or as (X<0) or (X,false) depending upon the
+ signedness of the shift operation.
+
+2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/26359
+ * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
+
+2006-02-25 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_relational_operation_1): Simplify
+ (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
+ as X == 0, and some symmetry related transformations.
+ Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
+
+2006-02-25 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/23673
+ * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
+ and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
+ symmetry related transformations. Fold (X^C1) == C2 as
+ X == (C1^C2).
+
+2006-02-25 Juergen Weigert <jw@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
+
+2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (gen_lowpart_or_truncate): Call
+ simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
+
+2006-02-24 Diego Novillo <dnovillo@redhat.com>
+
+ * doc/invoke.texi: Move -fopenmp description to "Options for
+ Code Generation".
+ Remove reference to -lgomp.
+
+2006-02-24 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi: Require GNU tar version 1.14.
+
+2006-02-24 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
+ * doc/invoke.texi (C++ Dialect Options): Document
+ -fno-use-cxa-get-exception-ptr.
+ * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
+ * configure: Regenerate.
+ * c.opt (fuse-cxa-get-exception-ptr): New.
+ * c-opts.c (c_common_handle_option): Handle
+ OPT_fuse_cxa_get_exception_ptr.
+ * c-common.c (flag_use_cxa_atexit): Update documentation.
+ (flag_use_cxa_get_exception_ptr): New.
+ * c-common.h (flag_use_cxa_get_exception_ptr): New.
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
+ documentation.
+ (C_COMMON_OVERRIDE_OPTIONS): New.
+
+2006-02-24 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/24952
+ * combine.c (try_combine): Explicitly check whether GET_CODE is
+ a SET or a CLOBBER, instead on checking that it isn't a USE.
+
+2006-02-24 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_comparison): New subroutine of fold_binary
+ containing transformations common to both the equality and
+ ordering relational operators, factored out of fold_binary.
+ (fold_binary): Separate out the equality operators (EQ_EXPR
+ and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
+ LE_EXPR and GE_EXPR), calling fold_comparison to perform the
+ transformations common to both.
+ (fold_div_compare): Fix latent bugs in the previously unreachable
+ LT_EXPR and GE_EXPR cases.
+
+2006-02-24 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_init_builtins): Change
+ decl libname for clog to __clog on AIX.
+
+ * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
+
+2006-02-24 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26453
+ * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
+ output traceback table for thunks. Localise rs6000_stack_info call.
+
+2006-02-23 Roger Sayle <roger@eyesopen.com>
+ Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gthr-posix.h (__gthrw): Fix typo in comment.
+
+2006-02-23 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/cpp.texi (Character sets): Document that we do support
+ input files to be in any character set.
+
+2006-02-23 Jeff Law <law@redhat.com>
+
+ * tree.h (PHI_ARG_NONZERO): Remove.
+ * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
+ (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
+ node to the new node.
+
+ PR tree-optimization/26425
+ * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
+ min/max, then assume its varying.
+
+2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26316
+ * rtlanal.c (enum may_trap_p_flags): New.
+ (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
+ MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
+ (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
+ (may_trap_after_code_motion_p): New function.
+ * loop-invariant.c (find_identical_invariants): Fix dump formating.
+ (find_invariant_insn): Use may_trap_after_code_motion_p.
+ * rtl.h (may_trap_after_code_motion_p): Declare.
+
+2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * emit-rtl.c (immed_double_const): Cleanup.
+
+2006-02-23 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26376
+ * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
+ remove assert.
+
+2006-02-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/26412
+ * gimplify.c (omp_add_variable): Guard variable size decl test with
+ DECL_SIZE (decl) check.
+
+2006-02-23 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/26439
+ * tree-ssa-structalias.c (find_func_aliases): Handle complex types
+ like aggregate types.
+
+2006-02-23 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac: Add --with{,out}-long-double-128 configure option.
+ (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
+ * configure: Rebuilt.
+ * config.in: Rebuilt.
+ * doc/install.texi (Options specification): Document
+ --with-long-double-128.
+
+ * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
+ (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
+ * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
+ (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
+
+2006-02-23 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/s390/s390.c (override_options): Handle
+ TARGET_DEFAULT_LONG_DOUBLE_128.
+
+ * config/alpha/alpha.c (override_options): Handle
+ TARGET_DEFAULT_LONG_DOUBLE_128.
+
+ * config/sparc/sparc.c (sparc_override_options): Handle
+ TARGET_DEFAULT_LONG_DOUBLE_128.
+
+2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
+ (real-install-headers-tar, real-install-headers-cpio)
+ (real-install-headers-cp): New targets.
+
+2006-02-22 Richard Sandiford <richard@codesourcery.com>
+
+ * tree.h (variable_section): Delete.
+ * varasm.c (variable_section): Delete.
+
+2006-02-22 Paolo Bonzini <bonzini@gnu.org>
+
+ * install.texi: Add notes on install.texi2html.
+ (Building in parallel): Do not use footnotes.
+
+2006-02-21 Aldy Hernandez <aldyh@redhat.com>
+
+ PR libgomp/26234
+ * doc/install.texi (Configuration): Document --disable-libgomp.
+
+2006-02-21 Geoffrey Keating <geoffk@apple.com>
+
+ * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
+
+2006-02-21 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/sse.md (vec_extractv2df_1_sse): New.
+ (vec_extractv2df_0_sse): New.
+
+2006-02-21 Alexandre Oliva <aoliva@redhat.com>
+
+ * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
+ * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
+ * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
+ * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
+ to the result of the expression.
+ (def_cfa_1): Adjust.
+ (frame_pointer_cfa_offset): Rename to...
+ (frame_pointer_fb_offset): ... this. Adjust all uses.
+ (convert_cfa_to_loc_list): Rename to...
+ (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
+ Pass it on to build_cfa_loc.
+ (compute_frame_pointer_to_cfa_displacement): Rename to...
+ (compute_frame_pointer_to_fb_displacement): ... this. New
+ offset parameter. Use it in computation.
+ (gen_subprogram_die): Compute cfa_fb_offset with the new
+ macro, and use it to compute the fb loc list and the
+ displacement.
+
+2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
+ replaced with register_operand.
+ * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
+ non-DREG is expensive.
+ * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
+ * config/bfin/bfin.md (movbi): Fix constraints and template for moves
+ involving memory.
+
+2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
+
+ * doc/install.texi2html: Use set -e.
+
+2006-02-21 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
+ (ASM_OUTPUT_SHARED_LOCAL): Delete.
+ * doc/invoke.texi (-fshared-data): Delete.
+ * common.opt (fshared-data): Delete.
+ * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
+ (assemble_static_space): Remove #if 0 code.
+ * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
+ (ASM_OUTPUT_SHARED_LOCAL): Poison.
+ * config/cris/cris.h: Remove FIXME.
+
2006-02-21 Paolo Bonzini <bonzini@gnu.org>
* doc/sourcebuild.texi (Front End Directory): No more double-colon
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