+2011-04-07 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_stack_info): Don't compare against
+ previous stack info.
+
+2011-04-07 Tom de Vries <tom@codesourcery.com>
+
+ PR target/43920
+ * cfgcleanup.c (try_crossjump_to_edge): Add dir parameter. Pass dir to
+ flow_find_cross_jump. Swap variables to implement backward replacement.
+ (try_crossjump_bb): Add argument to try_crossjump_to_edge.
+
+2011-04-07 Tom de Vries <tom@codesourcery.com>
+
+ PR target/43920
+ * cfgcleanup.c (walk_to_nondebug_insn): New function.
+ (flow_find_cross_jump): Use walk_to_nondebug_insn. Recalculate bb1 and
+ bb2.
+ (try_crossjump_to_edge): Handle case that newpos1 or newpos2 is not src1
+ or src2. Redirect edges to the last basic block. Update frequency and
+ count on multiple basic blocks in case of fallthru.
+
+2011-04-07 Tom de Vries <tom@codesourcery.com>
+
+ PR target/43920
+ * cfgcleanup.c (equal_different_set_p, can_replace_by, merge_dir): New
+ function.
+ (old_insns_match_p): Change return type. Replace return false/true with
+ return dir_none/dir_both. Use can_replace_by.
+ (flow_find_cross_jump): Add dir_p parameter. Init replacement direction
+ from dir_p. Register replacement direction in dir, last_dir and
+ afterlast_dir. Handle new return type of old_insns_match_p using
+ merge_dir. Return replacement direction in dir_p.
+ (flow_find_head_matching_sequence, outgoing_edges_match): Handle new
+ return type of old_insns_match_p.
+ (try_crossjump_to_edge): Add argument to call to flow_find_cross_jump.
+ * ifcvt.c ( cond_exec_process_if_block): Add argument to call to
+ flow_find_cross_jump.
+ * basic-block.h (enum replace_direction): New type.
+ (flow_find_cross_jump): Add parameter to declaration.
+
+2011-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (AVXMODEDCVTDQ2PS): Remove.
+ (AVXMODEDCVTPS2DQ): Ditto.
+ (VEC_FLOAT_MODE): Ditto.
+ (<sse>_andnot<mode>3): Merge with avx_andnot<mode>3. Use VF mode
+ iterator. Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL target flag.
+ (<any_logic:code><mode>3): Use VF mode iterator.
+ (*<any_logic:code><mode>3): Merge with *avx_<any_logic:code><mode>3.
+ Use VF mode iterator.
+ (copysign<mode>3): Use VF mode iterator.
+ (*andnot<MODEF:mode>3): Merge with *avx_andnot<MODEF:mode>3. Handle
+ TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL target flag.
+ (*<any_logic:code><MODEF:mode>3): Merge with
+ *avx_<any_logic:code><MODEF:mode>3.
+ (sse_cvtsi2ss): Merge with *avx_cvtsi2ss.
+ (sse_cvtsi2ssq): Merge with *avx_cvtsi2ssq.
+ (avx_cvtdq2ps256): Split from avx_cvtdq2ps<avxmodesuffix>.
+ (avx_cvtdq2ps<avxmodesuffix>): Remove.
+ (sse2_cvtdq2ps): Use %v modifier.
+ (avx_cvtps2dq256): Split from avx_cvtps2dq<avxmodesuffix>.
+ (avx_cvtps2dq<avxmodesuffix>): Remove.
+ (sse2_cvtps2dq): Use %v modifier.
+ (avx_cvttps2dq256): Split from avx_cvttps2dq<avxmodesuffix>.
+ (avx_cvttps2dq<avxmodesuffix>): Remove.
+ (sse2_cvttps2dq): Use %v modifier.
+ (sse2_cvtsi2sd): Merge with *avx_cvtsi2sd.
+ (sse2_cvtsi2sdq): Merge with *avx_cvtsi2sdq.
+ (sse2_cvtsd2siq): Fix insn template.
+ (sse2_cvtsd2siq_2): Ditto.
+ (sse2_cvttsd2siq): Ditto.
+ (sse2_cvtsd2ss): Merge with *avx_cvtsd2ss.
+ (sse2_cvtss2sd): Merge with *avx_cvtss2sd.
+
+2011-04-06 Joseph Myers <joseph@codesourcery.com>
+
+ * gcov-io.c: Use GCC Runtime Library Exception.
+
+2011-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/48466
+ * dwarf2out.c (based_loc_descr): If drap_reg is INVALID_REGNUM, use
+ as base_reg whatever register reg has been eliminated to, instead
+ of hardcoding STACK_POINTER_REGNUM.
+
+2011-04-06 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/tm.texi.in: Document C target hooks as separate from general
+ target hooks.
+ * doc/tm.texi: Regenerate.
+ * genhooks.c (struct hook_desc): Add docname field.
+ (HOOK_VECTOR_1, DEFHOOKPOD, DEFHOOK, DEFHOOK_UNDOC). Initialize
+ docname field.
+ (hook_array): Include c-target.def.
+ (emit_documentation): Use docname field in output.
+ (emit_init_macros): Take docname argument. Only emit definitions
+ for hooks matching docname.
+ (main): Expect additional arguments in all cases. Pass argument
+ to emit_init_macros.
+ * target.def: Move initial macro definitions and comments to
+ target-hooks-macros.h.
+ (gcc_targetcm): Move to c-family/c-target.def.
+ * target.h (targetcm): Move declaration to c-family/c-target.h.
+ * targhooks.c (default_handle_c_option): Move to
+ c-family/c-opts.c.
+ * targhooks.h (default_handle_c_option): Move declaration to
+ c-family/c-common.h.
+ * target-hooks-macros.h: New file.
+ * config.gcc (target_has_targetcm): Define and use to add to
+ c_target_objs and cxx_target_objs.
+ * config/default-c.c: New file.
+ * config/darwin-c.c: Include c-target.h and c-target-def.h instead
+ of target.h and target-def.h.
+ (TARGET_HANDLE_C_OPTION, targetcm): Define later in file.
+ (darwin_objc_construct_string, darwin_cfstring_ref_p,
+ darwin_check_cfstring_format_arg): Make static.
+ (TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
+ TARGET_STRING_OBJECT_REF_TYPE_P,
+ TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): Define here.
+ * config/darwin-protos.h (darwin_objc_construct_string,
+ darwin_cfstring_ref_p, darwin_check_cfstring_format_arg): Don't
+ declare.
+ * config/darwin.h (TARGET_OBJC_CONSTRUCT_STRING_OBJECT,
+ TARGET_STRING_OBJECT_REF_TYPE_P,
+ TARGET_CHECK_STRING_OBJECT_FORMAT_ARG, TARGET_HAS_TARGETCM): Remove.
+ * config/t-darwin (darwin-c.o): Update dependencies.
+ * system.h (TARGET_HAS_TARGETCM): Poison.
+ * Makefile.in (TARGET_H): Update.
+ (TARGET_DEF, C_TARGET_DEF, C_TARGET_H, C_TARGET_DEF_H): Define.
+ (c-family/c-format.o, c-family/c-opts.o): Update dependencies.
+ (default-c.o): New target.
+ (s-target-hooks-def-h): Pass "Target Hook" string to genhooks.
+ (c-family/c-target-hooks-def.h, s-c-target-hooks-def-h): New targets.
+ (s-tm-texi): Pass -d option to genhooks. Also test timestamp on
+ c-target.def.
+ (build/genhooks.o): Update dependencies.
+
+2011-04-06 Richard Guenther <rguenther@suse.de>
+
+ * ipa-inline.c (enum inlining_mode): Remove.
+ (cgraph_flatten): Use some other token.
+ (cgraph_edge_early_inlinable_p): New function, split out from ...
+ (cgraph_perform_always_inlining): New function, split out from ...
+ (cgraph_decide_inlining_incrementally): ... here.
+ (cgraph_mark_inline_edge): Adjust.
+ (cgraph_early_inlining): Re-structure.
+ (pass_early_inline): Require SSA form.
+
+2011-03-06 Andrew Stubbs <ams@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+ Mark Shinwell <shinwell@codesourcery.com>
+
+ * config/arm/arm.h (arm_class_likely_spilled_p): Check against
+ LO_REGS only for Thumb-1.
+ (MODE_BASE_REG_CLASS): Restrict base registers to those which can
+ be used in short instructions when optimising for size on Thumb-2.
+
+2011-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple-low.c (lower_gimple_return): When not optimizing, force labels
+ associated with user returns to be preserved.
+
+2011-04-06 Tristan Gingold <gingold@adacore.com>
+
+ * dbxout.c: (debug_nesting, symbol_queue, symbol_queue_index)
+ (symbol_queue_size, DBXOUT_DECR_NESTING)
+ (DBXOUT_DECR_NESTING_AND_RETURN): Also define
+ if XCOFF_DEBUGGING_INFO.
+
+2011-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (attribute isa): New.
+ (attribute enabled): New.
+ (setcc_<mode>_sse): Merge from *{avx,sse}_setcc<mode>.
+ (*fop_<mode>_comm_mixed): Merge with *fop_<mode>_comm_mixed_avx.
+ (*fop_<mode>_comm_sse): Merge with *fop_<mode>_comm_avx.
+ (*fop_<mode>_1_mixed): Merge with *fop_<mode>_1_mixed_avx.
+ (*fop_<mode>_1_sse): Merge with *fop_<mode>_1_avx.
+ (<smaxmin:code><mode>3): Merge with *avx_<smaxmin:code><mode>3.
+ (*ieee_smin<mode>3): Merge with *avx_ieee_smin<mode>3.
+ (*ieee_smax<mode>3): Merge with *avx_ieee_smax<mode>3.
+
+ * config/i386/sse.md (VF): New mode iterator.
+ (VF1): Ditto.
+ (VF2): Ditto.
+ (VF_128): Ditto.
+ (SSEMODEF4): Remove.
+ (attribute sse): Handle V8SF and V4DF modes.
+ (<absneg:code><mode>2): Use VF mode iterator.
+ (*absneg<mode>2): Merge from *{avx,sse}_absneg<mode>2. Use VF
+ mode iterator.
+ (<plusminus_insn><mode>3): Use VF mode iterator.
+ (*<plusminus_insn><mode>3): Merge with *avx_<plusminus_insn><mode>3.
+ Use VF mode iterator.
+ (<sse>_vm<plusminus_insn><mode>3): Merge with
+ *avx_vm<plusminus_insn><mode>3. Use VF_128 mode iterator.
+ (mul<mode>3): Use VF mode iterator.
+ (*mul<mode>3): Merge with *avx_mul<mode>3. Use VF mode iterator.
+ (<sse>_vmmul<mode>3): Merge with *avx_vmmul<mode>3. Use VF_128
+ mode iterator.
+ (div<VF2:mode>3): Merge from divv2df3 and divv4df3.
+ (div<VF1:mode>3): Merge from divv4sf3 and divv8sf3.
+ (<sse>_div<mode>3): Merge with *avx_div<mode>3. Use VF mode iterator.
+ (<sse>_vmdiv<mode>3): Merge with *avx_vmdiv<mode>3. Use VF_128
+ mode iterator.
+ (<sse>_rcp<mode>2): Merge from avx_rcpv8sf2 and sse_rcpv4sf2.
+ Use VF1 mode iterator.
+ (sse_vmrcpv4sf2): Merge with *avx_vmrcpv4sf2.
+ (sqrt<VF2:mode>2): New expander.
+ (sqrt<VF1:mode>2): Merge from sqrtv4sf2 and sqrtv8sf2.
+ (<sse>_sqrt<mode>2): Merge from avx_sqrtv8sf2, sse_sqrtv4sf, sqrtv4df2
+ and sqrtv2df2. Use VF mode iterator.
+ (<sse>_vmsqrt<mode>2): Merge with *avx_vmsqrt<mode>2. Use VF_128
+ mode iterator.
+ (rsqrt<VF1:mode>2): Merge from rsqrtv4sf2 and rsqrtv8sf2.
+ (<sse>_rsqrt<mode>2): Merge from avx_rsqrtv8sf2 and sse_rsqrt4sf2.
+ Use VF1 mode iterator.
+ (sse_vmrsqrtv4sf2): Merge with *avx_vmrsqrtv4sf2.
+ (<smaxmin:code><mode>3): Use VF mode iterator.
+ (*<smaxmin:code><mode>3_finite): Merge with
+ *avx_<smaxmin:code><mode>3_finite. Use VF mode iterator.
+ (*<smaxmin:code><mode>3): Merge with *avx_<smaxmin:code><mode>3.
+ (<sse>_vm<smaxmin:code><mode>2): Merge with
+ *avx_vm<smaxmin:code><mode>2. Use VF_128 mode iterator.
+ (*ieee_smin<mode>3): Merge with *avx_ieee_smin<mode>3. Use VF
+ mode iterator.
+ (*ieee_smax<mode>3): Merge with *avx_ieee_smax<mode>3. Use VF
+ mode iterator.
+ (sse3_addsubv2df3): Merge with *avx_addsubv2df3.
+ (sse3_addsubv4sf3): Merge with *avx_addsubv4sf3.
+ (sse3_h<plusminus_insn>v2df3): Merge with *avx_h<plusminus_insn>v2df3.
+ (sse3_h<plusminus_insn>v4sf3): Merge with *avx_h<plusminus_insn>v4sf3.
+ (avx_cmp<mode>3): Rename from avx_cmp<ssemodesuffix><mode>3. Use
+ VF mode iterator.
+ (avx_vmcmp<mode>3): Rename from avx_cmp<ssescalarmodesuffix><mode>3.
+ Use VF_128 mode iterator.
+ (<sse>_maskcmp<mode>3): Merge with *avx_maskcmp<mode>3. Use VF
+ mode iterator.
+ (<sse>_vmmaskcmp<mode>3): Merge with *avx_vmmaskcmp<mode>3. Use
+ VF_128 mode iterator.
+ (vcond<mode>): Use VF mode iterator.
+ * config/i386/predicates.md (sse_comparison_operator): Merge with
+ avx_comparison_float_operator. Do not declare as special_predicate.
+ * config/i386/i386.c (struct builtin_description): Update for renamed
+ compare patterns.
+ (ix86_expand_args_builtin): Ditto.
+ (ix86_expand_sse_compare_mask): Ditto.
+
+2011-04-06 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (estimate_num_insns): For calls simply account
+ for all passed arguments and a used return value.
+
+2011-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47663
+ * cgraph.h (struct cgraph_edge): Add call_stmt_size and
+ call_stmt_time fields.
+ (cgraph_edge_inlinable_p): Declare.
+ (cgraph_edge_recursive_p): New inline function.
+ * cgraph.c (cgraph_create_edge_1): Initialize call_stmt_size.
+ (cgraph_clone_edge): Copy it.
+ * ipa-inline.c (cgraph_estimate_edge_time): New function.
+ Account for call stmt time.
+ (cgraph_estimate_time_after_inlining): Take edge argument.
+ (cgraph_estimate_edge_growth): Account call stmt size.
+ (cgraph_estimate_size_after_inlining): Take edge argument.
+ (cgraph_mark_inline_edge): Adjust.
+ (cgraph_check_inline_limits): Likewise.
+ (cgraph_recursive_inlining_p): Remove.
+ (cgraph_edge_badness): Use cgraph_edge_recursive_p.
+ (cgraph_decide_recursive_inlining): Take edge argument and
+ adjust.
+ (cgraph_decide_inlining_of_small_functions): Do not avoid
+ diags for recursive inlining here.
+ (cgraph_flatten): Adjust.
+ (cgraph_decide_inlining_incrementally): Likewise.
+ (estimate_function_body_sizes): Remove call cost handling.
+ (compute_inline_parameters): Initialize caller edge call costs.
+ (cgraph_estimate_edge_growth): New function.
+ (cgraph_estimate_growth): Use it.
+ (cgraph_edge_badness): Likewise.
+ (cgraph_check_inline_limits): Take an edge argument.
+ (cgraph_decide_inlining_of_small_functions): Adjust.
+ (cgraph_decide_inlining): Likewise.
+ * tree-inline.c (estimate_num_insns): Only account for call
+ return value if it is used.
+ (expand_call_inline): Avoid diagnostics on recursive inline
+ functions here.
+ * lto-cgraph.c (lto_output_edge): Output edge call costs.
+ (input_edge): Input edge call costs.
+
+2011-04-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/alpha/osf5.h (MAX_OFILE_ALIGNMENT): Define.
+
+2011-04-06 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/invoke.texi (Spec Files): Fix typo.
+
+2011-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * profile.c (branch_prob): Move declaration of local variable. Remove
+ obsolete ??? comment. Expand the location explicitly instead of using
+ the LOCATION_FILE and LOCATION_LINE macros.
+
+2011-04-06 Wei Guozhi <carrot@google.com>
+
+ PR target/47855
+ * config/arm/arm.md (arm_cmpsi_insn): Compute attr "length".
+ (arm_cond_branch): Likewise.
+ (arm_cond_branch_reversed): Likewise.
+ (arm_jump): Likewise.
+ (push_multi): Likewise.
+ * config/arm/constraints.md (Py): New constraint.
+
+2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
+
+ PR bootstrap/48471
+ * dbxout.c (debug_nesting, symbol_queue, symbol_queue_index):
+ Move these...
+ (symbol_queue_size, DBXOUT_DECR_NESTING): ...and these...
+ (DBXOUT_DECR_NESTING_AND_RETURN): ...and this under
+ #ifdef DBX_DEBUGGING_INFO.
+
+2011-04-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/48403
+ * haifa-sched.c (schedule_block): Increment cycle_issued_insns only
+ if old and new states differ.
+
+2011-04-05 Joseph Myers <joseph@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_handle_option): Don't handle OPT_m5200,
+ OPT_m5206e, OPT_m528x, OPT_m5307, OPT_m5407 and OPT_mcfv4e.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS, ASM_CPU_SPEC): Don't
+ handle -m5200, -m5206e, -m528x, -m5307, -m5407 and -mcfv4e.
+ * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407,
+ mcfv4e): Use Alias.
+ * config/m68k/t-mlibs (MULTILIB_MATCHES): Don't map legacy
+ ColdFire options to -mcpu= options.
+
+2011-04-05 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadupdate.c (determine_bb_domination_status): Always
+ check if BB is a successor of LOOP->header and return
+ NONDOMINATING if it is not, regardless of ENABLE_CHECKING.
+
+2011-04-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cprop.c (struct reg_use): Remove.
+ (reg_use_table): Make an array of RTX.
+ (find_used_regs, constprop_register, local_cprop_pass,
+ bypass_block): Simplify users of reg_use_table.
+ (cprop_insn): Likewise. Iterate if copy propagation succeeded
+ on one of the uses found by find_used_regs.
+
+2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
+
+ PR bootstrap/48469
+ * combine.c (combine_instructions): #ifdef AUTO_INC_DEC links
+ declaration.
+
+2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
+
+ * combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links
+ as an rtx.
+ (try_combine) [AUTO_INC_DEC]: Declare a local link rtx.
+
+2011-04-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/48441
+ * cprop.c (one_cprop_pass): Do not mark_oprs_set of deleted insns.
+
+2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
+
+ * combine.c: Include obstack.h.
+ (struct insn_link): Define.
+ (uid_log_links): Adjust type.
+ (FOR_EACH_LOG_LINK): New macro.
+ (insn_link_obstack): Declare.
+ (alloc_insn_link): Define.
+ (create_log_links): Call it. Use FOR_EACH_LOG_LINK and adjust
+ type of link variables.
+ (find_single_use, insn_a_feeds_b, combine_instructions): Likewise.
+ (try_combine, record_promoted_values, distribute_notes): Likewise.
+ (distribute_links): Likewise. Tweak prototype.
+ (clear_log_links): Delete.
+ (adjust_for_new_dest): Call alloc_insn_link.
+ * Makefile.in (combine.o): Depend on $(OBSTACK_H).
+
+2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
+
+ * gcse.c (modify_mem_list): Convert to an array of VECs.
+ (canon_modify_mem_list, compute_transp): Tweak formatting.
+ (alloc_gcse_mem): Likewise. Adjust for modify_mem_list change.
+ (load_killed_in_block_p): Likewise.
+ (record_last_mem_set_info): Likewise.
+ (clear_modify_mem_tables): Likewise.
+
+2011-04-05 Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/48461
+ * function.c (emit_use_return_register_into_block): Only define if
+ HAVE_return.
+
+2011-04-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (self_referential_size): Fix 2010-07-13 commit.
+
+2011-04-05 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rx/rx-opts.h: New.
+ * config/rx/rx.c (rx_cpu_type): Remove.
+ (rx_handle_option): Don't assert that global structures are in
+ use. Access variables via opts pointer. Defer most handling of
+ OPT_mint_register_. Use error_at.
+ (rx_option_override): Handle deferred OPT_mint_register_ here.
+ * config/rx/rx.h (enum rx_cpu_types): Move to rx-opts.h.
+ * config/rx/rx.opt (config/rx/rx-opts.h: New HeaderInclude.
+ (mcpu=): Use Enum and specifiy rx_cpu_type with Var.
+ (rx_cpu_types): New Enum and EnumValue entries.
+ (mint-register=): Use Defer and use Var accordingly.
+
2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
* debug.h (debug_flush_symbol_queue, debug_queue_symbol): Delete.
* config.gcc (*-*-mingw*): Allow as option the
posix threading model.
- * config/i386/mingw32.h ( SPEC_PTHREAD1, SPEC_PTHREAD2):
+ * config/i386/mingw32.h (SPEC_PTHREAD1, SPEC_PTHREAD2):
New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
definition.
(CPP_SPEC): Add pthread/no-pthread handling.
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