+2006-04-18 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/26821
+ * tree-ssa-math-opts.c (get_constant_one): New.
+ (insert_reciprocals): Use it.
+
+2006-04-17 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (free_AT): Delete.
+ (remove_AT): Update string ref counts.
+ (remove_child_TAG): Don't call free_die.
+ (free_die): Delete.
+ (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
+ or DW_TAG_GNU_EINCL.
+ (prune_unused_types_walk_attribs): Reset string refcounts.
+ (prune_unused_types_update_strings): New.
+ (prune_unused_types_prune): Don't make unnecessary stores. Don't
+ call free_die. Do call prune_unused_types_update_strings.
+ (prune_unused_types): Empty debug_str_hash.
+
+2006-04-17 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (expand_assignment): Optimize away no-op moves where the
+ source and destination are equal and have no side-effects.
+
+2006-04-17 Richard Guenther <rguenther@suse.de>
+
+ PR target/26826
+ * reload.c (push_reload): Guard calls to get_secondary_mem
+ for memory subregs.
+
+2006-04-16 Kazu Hirata <kazu@codesourcery.com>
+
+ * alias.c (reg_base_value, old_reg_base_value): Change the
+ type to VEC(rtx,gc) *.
+ (REG_BASE_VALUE, find_base_value, record_set,
+ init_alias_analysis): Use VEC instead of VARRAY.
+
+ * alias.c (alias_sets): Change the type to
+ VEC(alias_set_entry,gc) *.
+ (get_alias_set_entry, new_alias_set, record_alias_subset): Use
+ VEC instead of VARRAY.
+ (last_alias_set): Remove.
+
+ * cgraph.h (cgraph_edge_p): New.
+ Update the prototype of cgraph_function_versioning.
+ * cgraphunit.c (cgraph_copy_node_for_versioning,
+ cgraph_function_versioning): Use VEC instead of VARRAY.
+ * ipa-cp.c (ipcp_insert_stage): Likewise.
+
+2006-04-16 Roger Sayle <roger@eyesopen.com>
+
+ PR target/26961
+ * fold-const.c (fold_ternary): When converting "A ? B : C" into either
+ "A op B" or "A op C", we may need to convert A to the type of B and C.
+
+2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
+
+ * target.h (struct gcc_target): Add mode_rep_extended.
+ * rtlanal.c (num_sign_bit_copies_in_rep): New global.
+ (init_num_sign_bit_copies_in_rep): Initialize it using
+ mode_rep_extended.
+ (truncate_to_mode): Use it.
+ (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
+ * targhooks.h (default_mode_rep_extended): Declare it.
+ * targhooks.c (default_mode_rep_extended): Define it.
+ * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
+ default_mode_rep_extended.
+ (TARGET_INITIALIZER): Include it.
+ * doc/tm.texi (Misc): Document it.
+ * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
+ (mips_truncated_to_mode): New function.
+
+2006-04-16 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/25474
+ * expr.c (compress_float_constant): Copy the narrow constant into
+ a new pseudo before extending it to its final width.
+
+2006-04-16 Roger Sayle <roger@eyesopen.com>
+ Andrew Pinski <pinskia@gcc.gnu.org>
+ Dale Johannesen <dalej@apple.com>
+
+ PR target/24076
+ * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
+ special case code to implement V8HImode and V16QImode with SSE2.
+
+2006-04-15 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (ix86_va_start): Ensure all integer constant
+ trees are constructed with a suitable tree type.
+
+2006-04-15 Roger Sayle <roger@eyesopen.com>
+
+ * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
+ (integer_onep): Likewise.
+ (integer_all_onesp): Likewise.
+ (integer_pow2p): Likewise.
+ (integer_nonzerop): Likewise.
+ (real_zerop): Likewise.
+ (real_onep): Likewise.
+ (real_twop): Likewise.
+ (real_minus_onep): Likewise.
+ (int_size_in_bytes): Likewise.
+ (host_integerp): Likewise.
+
+2006-04-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
+ jump.c, mips-tfile.c, omp-low.c, sched-int.h,
+ tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
+
+ * tree-ssa-structalias.h (alias_info): Remove num_references.
+
+2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
+ (output_bvb patterns): Likewise.
+ * pa.c (output_bb): Use 'bb' insn for long branch case.
+ (output_bvb): Likewise use '{bvb|bb}' for long branch case.
+ (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
+ 1. Correct length operand for alternatives 1 and 2.
+ (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
+ 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
+
+2006-04-14 Roger Sayle <roger@eyesopen.com>
+
+ * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
+ is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
+ were accidentally reverted by r112959.
+
+2006-04-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/26823
+ * except.h (eh_region_outermost): New prototype.
+ * except.c (eh_region_outermost): New function.
+ * tree-cfg.c (find_outermost_region_in_block): Use it.
+
+2006-04-14 Kazu Hirata <kazu@codesourcery.com>
+
+ * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
+ of VARRAY.
+ * reload1.c (reg_equiv_memory_loc_varray): Rename to
+ reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
+ (init_reload, reload): Use VEC instead of VARRAY.
+ * reload.h: Update the prototype for
+ reg_equiv_memory_loc_varray.
+
+2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
+ Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
+ register save area.
+
+2005-04-13 Uros Bizjak <uros@kss-loka.si>
+
+ PR middle-end/27134
+ * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
+ to expand fallback builtin function call.
+
+2006-04-14 Alan Modra <amodra@bigpond.net.au>
+
+ PR middle-end/27095
+ * builtins.c: (expand_builtin_memset): Stabilize args before expansion
+ and emit libcall here in case the builtin fails.
+ (expand_builtin_strcmp): Always emit the libcall here on failure.
+
+2006-04-14 Kazu Hirata <kazu@codesourcery.com>
+
+ * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
+ * flow.c (reg_n_info): Change the type to
+ VEC(reg_info_p,heap) *.
+ * regclass.c (allocate_reg_info, free_reg_info): Use VEC
+ instead of VARRAY.
+ * regs.h (reg_info_p): New.
+ (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
+ REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
+ REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
+ instead of VARRAY.
+
2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
* params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2006-04-13 Richard Henderson <rth@redhat.com>
- PR 26651
+ PR libgomp/26651
* gimple-low.c (lower_omp_directive): Remove dead code.
(lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
* gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
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