+2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR middle-end/27332
+ * tree-loop-linear.c (try_interchange_loops): Test for
+ no data dependences.
+
+2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27548
+ * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
+ range of ssa names that appear on abnormal edges.
+ * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
+ * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
+
+2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ PR middle-end/27620
+ * expr.c (safe_from_p): Handle CONSTRUCTOR again.
+
+2006-05-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27415
+ * tree.h (OMP_PARALLEL_COMBINED): Define.
+ * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
+ (new_omp_context): Add is_combined_parallel argument.
+ (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
+ new_omp_context caller.
+ (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
+ Adjust gimplify_scan_omp_clauses callers.
+ (omp_is_private): Issue errors if iteration variable is firstprivate
+ or reduction in the current context.
+ * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
+ on combined parallel workshare constructs.
+
+2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
+ (gcc-options.o): New rule.
+
+ * optc-gen.awk: Protect variables for gcc-options.o with
+ #ifdef GCC_DRIVER/#endif.
+
+2006-05-16 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/27373
+ * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
+ (forward_propagate_addr_expr): Update call.
+
+2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/options.texi: Move the Negative option.
+
+2006-05-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/22303
+ * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
+ from STRING_CSTs.
+ (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
+ ccp_fold did not simplify the statement.
+
+2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR driver/26885
+ * Makefile.in (GCC_OBJS): New.
+ (OBJS-common): Add opts-common.o.
+ (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
+ (cpp$(exeext)): Likewise.
+ (gcc.o): Also depend on opts.h.
+ (opts-common.o): New.
+
+ * common.opt (gcoff): Add Negative(gdwarf-2).
+ (gdwarf-2): Add Negative(gstabs).
+ (gstabs): Add Negative(gstabs+).
+ (gstabs+): Add Negative(gvms).
+ (gvms): Add Negative(gxcoff).
+ (gxcoff): Add Negative(gxcoff+).
+ (gxcoff+): Add Negative(gcoff).
+ * config/i386/i386.opt (m32): Add Negative(m64).
+ (m64): Add Negative(m32).
+
+ * doc/options.texi: Document the Negative option.
+
+ * gcc.c: Include "opts.h".
+ (main): Call prune_options after expandargv.
+
+ * optc-gen.awk: Generate common declarations for all flag
+ variables in options.c. Output the neg_index field.
+
+ * opts.c (find_opt): Moved to ...
+ * opts-common.c: Here. New file.
+
+ * opts.h (cl_option): Add a neg_index field.
+ (find_opt): New.
+ (prune_options): Likewise.
+
+2006-05-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27573
+ * omp-low.c (expand_omp_parallel): Don't assert
+ .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
+ instead search for it.
+
+ PR c/27499
+ * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
+ is signed.
+
+2006-05-16 Andreas Schwab <schwab@suse.de>
+
+ * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
+ defmac.
+
+2006-05-15 Roger Sayle <roger@eyesopen.com>
+
+ PR target/26600
+ * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
+ integer constants other than zero are only legitimate on TARGET_64BIT.
+ <CONST_VECTOR> Only zero vectors are legitimate.
+ (ix86_cannot_force_const_mem): Integral and vector constants can
+ always be put in the constant pool.
+
+2006-05-16 DJ Delorie <dj@redhat.com>
+
+ * crtstuff.c (__dso_handle): Set section from
+ TARGET_LBIGCC_SDATA_SECTION if defined.
+ * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
+ * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
+
+2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR target/27599
+ * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
+ host_xmake_file.
+
+2006-05-16 Ben Elliston <bje@au.ibm.com>
+
+ * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
+
+2006-05-15 Per Bothner <per@bothner.com>
+
+ * tree.c: (last_annotated_node): Use sources_locus typedef.
+ This permits bootstrapping with --enable-mapped-location.
+
+2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/26830
+ * tree-into-ssa.c (struct ssa_name_info): Add age field.
+ (info_for_ssa_name, current_info_for_ssa_name_age,
+ blocks_to_update): New variables.
+ (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
+ (clear_ssa_name_info, initialize_flags_in_bb,
+ mark_block_for_update): New functions.
+ (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
+ (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
+ prepare_def_site_for): Use mark_block_for_update.
+ (mark_def_interesting): Assert that the processed block is marked in
+ blocks_to_update. Do not take blocks argument.
+ (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
+ argument.
+ (rewrite_update_init_block, rewrite_update_stmt): Only process
+ blocks with statements to rewrite.
+ (delete_update_ssa): Do not clear SSA_NAME_AUX.
+ (update_ssa): Initialize and free blocks_to_update. Do not
+ clear flags on statements. Do not use blocks bitmap.
+ * tree.h (SSA_NAME_AUX): Removed.
+ (struct tree_ssa_name): Removed aux field.
+ * print-tree.c (print_node): Do not print SSA_NAME_AUX.
+
+2006-05-15 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27603
+ * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
+ Do computations in original type.
+
+2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
+
+ * see.c: Code style changes such as redundant paranthesis,
+ redundant intialization of local variables etc.
+ (see_main): Declared now as static.
+ * doc/invoke.texi: Update that -fsee is not enabled by
+ default at -O3.
+
+2006-05-15 Jakub Jelinek <jakub@redhat.com>
+
+ * omp-low.c (check_omp_nesting_restrictions): New function.
+ (scan_omp_1): Call it.
+
+ PR middle-end/27416
+ * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
+ construct, return *VAR.
+
+2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR rtl-optimization/27406
+ * bt-load.c (migrate_btr_def): Skip the block having abnormal
+ edges.
+
+2006-05-14 Roger Sayle <roger@eyesopen.com>
+
+ PR rtl-optimization/27538
+ * combine.c (expand_compound_operation): Call gen_lowpart
+ before calling simplify_shift_const.
+
+2006-05-14 Roger Sayle <roger@eyesopen.com>
+
+ PR rtl-optimization/22563
+ * expmed.c (store_fixed_bit_field): When using AND and IOR to store
+ a fixed width bitfield, always force the intermediates into psuedos.
+
+2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ PR 27501
+ * mkconfig.sh: Use operator = instead of == for test.
+
+2006-05-13 Nick Clifton <nickc@redhat.com>
+
+ * dwarf2out.c (dbx_reg_number): Check return value from
+ LEAF_REG_REMAP and only use it if it is valid.
+ (multiple_reg_loc_descriptor): Likewise.
+
+2006-05-13 Richard Guenther <rguenther@suse.de>
+
+ * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
+ host_xmake_file.
+
+2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
+ information attached to non-INSNs such as NOTEs.
+ (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
+
+2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
+ On contraint.
+ * config/s390/s390.md: Adjust comment describing On constraint.
+
+2006-05-11 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (decide_is_function_needed): Don't force always_inline
+ to be output at -O0.
+
2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+ PR middle-end/27384
+ * fold-const.c (size_binop): Move sanity check for arguments to
+ the beginning of the function.
+
PR middle-end/27488
* fold-const.c (tree_expr_nonnegative_p): Return early on invalid
expression.
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