+2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * unwind-dw2.c: Add declarations for uw_update_context and
+ uw_frame_state_for.
+ * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
+ detected, advance frame state and context once to skip over stub.
+
+2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR middle-end/20256
+ PR middle-end/26435
+ * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
+ Call rewrite_into_loop_closed_ssa only when something changed.
+ * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
+ * lambda-code.c (can_convert_to_perfect_nest): Declared.
+ (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
+ Test for perfect_nest_p here. Fix formating.
+ (replace_uses_equiv_to_x_with_y): Fix formating.
+ (stmt_uses_op): Removed.
+ (can_convert_to_perfect_nest): Removed loopivs parameter.
+ Complete the test by checking the scalar dependences.
+ (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
+ Fix formating.
+
+2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ PR bootstrap/22541
+ From Dan Kegel <dank@kegel.com>:
+ * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
+
+2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
+ if the element type is variably modified without recursing.
+
+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
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