+2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/32628
+ * c-common.c (pointer_int_sum): Disregard overflow that occured only
+ because of sign-extension change when converting to sizetype here...
+ * fold-const.c (fold_convert_const_int_from_int): ...and not here.
+
+ * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
+ the folding to constants. Remove redundant final conversion.
+ (fold_binary) <associate>: Do not associate if the re-association of
+ constants alone overflows.
+ (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
+ to the end of the list.
+ (multiple_of_p) <COND_EXPR>: New case.
+
+2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * opt-functions.awk (opt_sanitized_name): New.
+ (opt_enum): New.
+ * optc-gen.awk: Use it
+ * opth-gen.awk: Use it.
+
+2010-04-13 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
+ (sra_modify_assign): Delete stmts loading dead data even if racc has no
+ children. Call replace_uses_with_default_def_ssa_name to handle
+ SSA_NAES on lhs.
+
+2010-04-13 Michael Matz <matz@suse.de>
+
+ PR middle-end/43730
+ * builtins.c (expand_builtin_interclass_mathfn): Also create
+ a register if the predicate doesn't match.
+
+2010-04-13 Diego Novillo <dnovillo@google.com>
+
+ * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
+ * c-pch.c: Include timevar.h.
+ (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
+ (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE
+ timers.
+ * ggc-common.c: Include timevar.h.
+ (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT
+ timers.
+ * timevar.def (TV_PCH_SAVE): Define.
+ (TV_PCH_CPP_SAVE): Define.
+ (TV_PCH_PTR_REALLOC): Define.
+ (TV_PCH_PTR_SORT): Define.
+ (TV_PCH_RESTORE): Define.
+ (TV_PCH_CPP_RESTORE): Define.
+
+2010-04-13 Michael Matz <matz@suse.de>
+
+ * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
+ into MINUS_EXPRs.
+ (can_reassociate_p): New function.
+ (break_up_subtract_bb, reassociate_bb): Use it.
+
+2010-04-13 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/43737
+ * builtins.c (c_readstr): Fix assert.
+
+2010-04-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
+ when generating cltd insn.
+
+ (*ashl<mode>3_1): Remove special handling for register operand 2.
+ (*ashlsi3_1_zext): Ditto.
+ (*ashlhi3_1): Ditto.
+ (*ashlhi3_1_lea): Ditto.
+ (*ashlqi3_1): Ditto.
+ (*ashlqi3_1_lea): Ditto.
+ (*<shiftrt_insn><mode>3_1): Ditto.
+ (*<shiftrt_insn>si3_1_zext): Ditto.
+ (*<shiftrt_insn>qi3_1_slp): Ditto.
+ (*<rotate_insn><mode>3_1): Ditto.
+ (*<rotate_insn>si3_1_zext): Ditto.
+ (*<rotate_insn>qi3_1_slp): Ditto.
+
+2010-04-13 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (callused_id): Remove.
+ (call_stmt_vars): New.
+ (get_call_vi): Likewise.
+ (lookup_call_use_vi): Likewise.
+ (lookup_call_clobber_vi): Likewise.
+ (get_call_use_vi): Likewise.
+ (get_call_clobber_vi): Likewise.
+ (make_transitive_closure_constraints): Likewise.
+ (handle_const_call): Adjust to do per-call call-used handling.
+ (handle_pure_call): Likewise.
+ (find_what_var_points_to): Remove general callused handling.
+ (init_base_vars): Likewise.
+ (init_alias_vars): Initialize call_stmt_vars.
+ (compute_points_to_sets): Process call-used and call-clobbered
+ vars for call statements.
+ (delete_points_to_sets): Free call_stmt_vars.
+
+2010-04-13 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
+ Only add RW dependence for dependence distance zero.
+ Adjust maximal vectorization factor according to dependences.
+ Move alignment handling ...
+ (vect_find_same_alignment_drs): ... here. New function.
+ (vect_analyze_data_ref_dependences): Adjust.
+ (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
+ (vect_analyze_data_refs): Adjust minimal vectorization factor
+ according to data references.
+ * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
+ dependences before determining the vectorization factor.
+ Analyze alignment after determining the vectorization factor.
+ * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
+ dependences before alignment.
+ * tree-vectorizer.h (vect_analyze_data_ref_dependences):
+ Adjust prototype.
+ (vect_analyze_data_refs): Likewise.
+ (MAX_VECTORIZATION_FACTOR): New define.
+
+2010-04-13 Duncan Sands <baldrick@free.fr>
+
+ * except.h (lang_eh_type_covers): Remove.
+ * except.c (lang_eh_type_covers): Likewise.
+
+2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+ Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
+ * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
+ UNITS_PER_LONG where it is ABI relevant.
+ (s390_return_addr_rtx): Likewise.
+ (s390_back_chain_rtx): Likewise.
+ (s390_frame_area): Likewise.
+ (s390_frame_info): Likewise.
+ (s390_initial_elimination_offset): Likewise.
+ (save_gprs): Likewise.
+ (s390_emit_prologue): Likewise.
+ (s390_emit_epilogue): Likewise.
+ (s390_function_arg_advance): Likewise.
+ (s390_function_arg): Likewise.
+ (s390_va_start): Likewise.
+ (s390_gimplify_va_arg): Likewise.
+ (s390_function_profiler): Likewise.
+ (s390_optimize_prologue): Likewise.
+ (s390_rtx_costs): Likewise.
+ (s390_secondary_reload): Likewise.
+ (s390_promote_function_mode): Likewise.
+ (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
+ (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
+ registers available.
+ (s390_unwind_word_mode): New function.
+ (s390_function_value): Split 64 bit values into register pair if
+ used as return value.
+ (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
+ function call parameters. Handle parallels.
+ (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
+ (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
+ (DWARF_CIE_DATA_ALIGNMENT): New macro.
+ (s390_expand_setmem): Remove unused variable src_addr.
+ * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
+ deal with 64 bit registers.
+ * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
+ Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
+ (UNITS_PER_LONG): New macro.
+ * libjava/include/s390-signal.h: Define extended ucontext
+ structure containing the upper halfs of the 64 bit registers.
+
+2010-04-13 Simon Baldwin <simonb@google.com>
+
+ * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
+
+2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
+ rvalue on the RHS if the LHS is of a non-renamable type.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
+
+2010-04-13 Matthias Klose <doko@ubuntu.com>
+
+ * gcc.c (cc1_options): Handle -iplugindir before processing
+ the cc1 spec. Only add -iplugindir once.
+ (cpp_unique_options): Add -iplugindir option if -fplugin* options
+ found.
+ * common.opt (iplugindir): Remove `Separate' property, initialize.
+ * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
+ option.
+ * Makefile.in (check-%, check-parallel-%): Create plugin dir.
+ (distclean): Remove plugin dir.
+ * doc/invoke.texi: Document -iplugindir.
+
+2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * doc/plugins.texi (Loading Plugins): Document short
+ -fplugin=foo option.
+ (Plugin API): Mention default_plugin_dir_name function.
+
+ * gcc.c (find_file_spec_function): Add new declaration.
+ (static_spec_func): Use it for "find-file".
+ (find_file_spec_function): Add new function.
+ (cc1_options): Add -iplugindir option if -fplugin* options found.
+
+ * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
+
+ * plugin.c (add_new_plugin): Updated comment, and handle short
+ plugin name.
+ (default_plugin_dir_name): Added new function.
+
+ * common.opt (iplugindir): New option to set the plugin directory.
+
+2010-04-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (any_rotate): New code iterator.
+ (rotate_insn): New code attribute.
+ (rotate): Ditto.
+ (SWIM124): New mode iterator.
+ (<rotate_insn>ti3): New expander.
+ (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
+ any_rotate code iterator.
+ (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
+ using any_rotate code iterator and SWIM124 mode iterator.
+ (ix86_rotlti3): New insn_and_split pattern.
+ (ix86_rotrti3): Ditto.
+ (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
+ ix86_rotl{di,ti}3 patterns.
+ (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
+ (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
+ and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
+ *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
+ code iterator and SWI mode iterator.
+ (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
+ Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
+ code iterator.
+ (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
+ Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
+ (bswap rotatert splitter): Add splitter.
+ (bswap splitter): Macroize splitter using any_rotate code iterator.
+ Add insn predicate to split only for TARGET_USE_XCHGB or when
+ optimizing function for size.
+
+2010-04-12 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/pa.c (emit_move_sequence): Remove use of
+ deleted variable flag_argument_noalias.
+
+2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc: Removed *-*-solaris2.7* from list of obsolete
+ configurations.
+ Add to unsupported targets list.
+ * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
+ sparc*-sun-solaris2.[567]* from target lists.
+ * configure: Regenerate.
+ * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
+ removal.
+ Remove Solaris 7 patch references.
+ (Specific, sparc-sun-solaris2.7): Removed.
+ (sparc-sun-solaris2*): Update Solaris 7 example.
+ (sparc64-*-solaris2*): Likewise.
+
+2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.build (alpha*-dec-osf4*): Remove.
+ * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
+ of obsolete configurations.
+ (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
+ support.
+ * config/alpha/t-osf4: Renamed to ...
+ * config/alpha/t-osf5: ... this.
+ * config/alpha/osf.h: Renamed to ...
+ * config/alpha/osf5.h: ... this.
+ Merged old osf5.h contents.
+ Update comments.
+ (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
+ (EXTRA_SPECS): Removed.
+ * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
+ reflect removal of Tru64 UNIX V4.0/V5.0 support.
+ Document that.
+
+2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/contrib.texi (Contributors, Rainer Orth): Update.
+
+2010-04-12 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/43702
+ * config/i386/i386.c (x86_this_parameter): Handle aggregate for
+ __thiscall convention.
+
+2010-04-12 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
+ orig_base.
+ * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
+
+2010-04-12 Steve Ellcey <sje@cup.hp.com>
+
+ * function.c (assign_parms_initialize_all): Add unused attribute
+ to fntype.
+
+2010-04-12 Richard Guenther <rguenther@suse.de>
+
+ * gsstruct.def (GSS_CALL): New.
+ * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
+ * gimple.h: Include tree-ssa-alias.h.
+ (struct gimple_statement_call): New.
+ (union gimple_statement_struct_d): Add gimple_call member.
+ (gimple_call_reset_alias_info): Declare.
+ (gimple_call_use_set): New function.
+ (gimple_call_clobber_set): Likewise.
+ * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
+ * gimple.c (gimple_call_reset_alias_info): New function.
+ (gimple_build_call_1): Call it.
+ * lto-streamer-in.c (input_gimple_stmt): Likewise.
+ * tree-inline.c (remap_gimple_stmt): Likewise.
+ (expand_call_inline): Remove callused handling.
+ * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
+ * tree-dfa.c (dump_variable): Likewise.
+ * tree-parloops.c (parallelize_loops): Likewise.
+ * tree-ssa.c (init_tree_ssa): Likewise.
+ (delete_tree_ssa): Likewise.
+ * tree-flow-inline.h (is_call_used): Remove.
+ * tree-flow.h (struct gimple_df): Remove callused member.
+ * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
+ * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
+ (ref_maybe_used_by_call_p_1): Simplify.
+ (call_may_clobber_ref_p_1): Likewise.
+ * tree-ssa-structalias.c (compute_points_to_sets): Set
+ the call stmt used and clobbered sets.
+ * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
+ (find_tail_calls): Verify the tail call.
+
2010-04-12 Richard Guenther <rguenther@suse.de>
* ipa.c (cgraph_postorder): Adjust postorder to guarantee
single-iteration always-inline inlining.
* ipa-inline.c (cgraph_mark_inline): Do not return anything.
- (cgraph_decide_inlining): Do not handle always-inline
- specially.
+ (cgraph_decide_inlining): Do not handle always-inline specially.
(try_inline): Remove always-inline cycle detection special case.
Do not recurse on always-inlines.
(cgraph_early_inlining): Do not iterate if not optimizing.
* config/i386/i386.md (any_shiftrt): New code iterator.
(shiftrt_insn): New code attribute.
(shiftrt): Ditto.
- (<shiftrt_insn><mode>3): Macroize expander from ashr<mode>3 and
- lshr<mode>3 using any_shiftrt code iterator.
+ (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
+ using any_shiftrt code iterator.
(*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
- *ashr<mode>3_doubleword and *lshr<mode>3_doubleword using
- any_shiftrt code iterator.
+ *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
(*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
pattern from corresponding peephole2 patterns.
- (*<shiftrt_insn><mode>3_1): Macroize insn from *ashr<mode>3_1
- and *lshr<mode>3_1 using any_shiftrt code iterator.
- (*<shiftrt_insn>si3_1_zext): Ditto from *ashrsi3_1_zext
- and *lshrsi3_1_zext.
- (*<shiftrt_insn>qi3_1_slp): Ditto from *ashrqi3_1_slp
- and *lshrqi3_1_slp.
- (*<shiftrt_insn><mode>3_cmp): Ditto from *ashr<mode>3_cmp
- and *lshr<mode>3_cmp.
- (*<shiftrt_insn><mode>3_cmp_zext): Ditto from *ashr<mode>3_cmp_zext
- and *lshr<mode>3_cmp_zext.
- (*<shiftrt_insn><mode>3_cconly): Ditto from *ashr<mode>3_cconly
- and *lshr<mode>3_cconly.
+ (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
+ using any_shiftrt code iterator.
+ (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
+ (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
+ (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
+ (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
+ *{ashr,lshr}<mode>3_cmp_zext.
+ (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2010-04-11 Uros Bizjak <ubizjak@gmail.com>
(*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
from corresponding peephole2 patterns.
(*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
- *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
- and *lshrdi3_cmp_rex64 using SWI mode iterator.
+ *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
+ and *lshrdi3_1_rex64 using SWI mode iterator.
(*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
(*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
(*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
(x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
and x86_64_shift_adj_3 using SWI48 mode iterator.
(*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
- *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
- and *ashrdi3_cmp_rex64 using SWI mode iterator.
+ *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
+ and *ashrdi3_1_rex64 using SWI mode iterator.
(*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
(*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
(*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
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