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196 Commits

Author SHA1 Message Date
Kazu Hirata
938d968ed3 alias.c: Fix comment formatting. 
* alias.c: Fix comment formatting.
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* c-opts.c: Likewise.
	* combine.c: Likewise.
	* cpplib.c: Likewise.
	* diagnostic.c: Likewise.
	* dojump.c: Likewise.
	* final.c: Likewise.
	* fold-const.c: Likewise.
	* gcc.c: Likewise.
	* gcse.c: Likewise.
	* ggc-page.c: Likewise.
	* jump.c: Likewise.
	* loop.c: Likewise.
	* mips-tfile.c: Likewise.
	* recog.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.

From-SVN: r69689
 2003-07-22 23:15:30 +00:00
Kaveh R. Ghazi
703ad42b4b alias.c [...]: Remove unnecessary casts. 
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c
	c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in
	c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c
	collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c
	cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c
	cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c
	dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c
	fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c
	gcse.c genattr.c genattrtab.c genautomata.c genconditions.c
	genemit.c genextract.c genoutput.c genrecog.c gensupport.c
	ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c
	integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c
	loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c
	postreload.c prefix.c print-tree.c protoize.c ra-build.c
	ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c
	regmove.c regrename.c reload.c reload1.c reorg.c resource.c
	sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c
	simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c
	tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c
	varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary
	casts.

From-SVN: r69587
 2003-07-19 14:47:15 +00:00
Richard Kenner
82d610ec12 re PR rtl-optimization/11198 (-O2 -frename-registers generates wrong code) 
PR optimization/11198
	* alias.c (objects_must_conflict_p): Return 1 if the types have
	the same alias set, not if the alias sets only conflict.

Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>

From-SVN: r69034
 2003-07-07 07:25:36 +00:00
Andreas Jaeger
baaa12222a tracer.c: Remove duplication declaration. 
* tracer.c: Remove duplication declaration.

	* toplev.c: Remove extra declaration of decode_d_option.

	* ssa.c: Remove duplicate declaration.

	* sreal.c: Remove extra declaration of dump_sreal.

	* reload1.c: Remove duplicate declarations.

	* integrate.c: Remove extra declaration of
	set_decl_abstract_flags.

	* flow.c: Remove extra declaration of dump_flow_info.

	* alias.c: Remove extra declaration of get_addr.

From-SVN: r68006
 2003-06-16 13:42:26 +02:00
Andreas Jaeger
4682ae0463 alloc-pool.c: Convert to ISO C90 prototypes. 
* alloc-pool.c: Convert to ISO C90 prototypes.
	* alloc-pool.h: Likewise.
	* alias.c: Likewise.
	* attribs.c: Likewise.
	* bb-reorder.c: Likewise.
	* bitmap.h: Likewise.
	* bitmap.c: Likewise.
	* builtins.c: Likewise.

	* tree.h: Convert prototypes of attribs.c to ISO C90.
	* basic-block.h: Convert prototypes of bb-reorder.c to ISO C90.
	* rtl.h: Convert prototypes of alias.c and builtins.c to ISO C90.
	* expr.h: Convert prototypes of builtins.c to ISO C90.

From-SVN: r67975
 2003-06-15 15:43:32 +02:00
Matt Kraai
07b7c979e7 * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p) 
(nonlocal_set_p): Remove initial blank line.
	* dwarf2out.c (simple_type_size_in_bits): Likewise.
	* et-forest.c (et_forest_create): Likewise.
	* explow.c (stabilize): Likewise.
	* fix-header.c (write_lbrac): Likewise.
	* graph.c (start_fct, node_data): Likewise.
	* jump.c (only_sets_cc0_p, sets_cc0_p): Likewise.
	* rtlanal.c (global_reg_mentioned_p): Likewise.
	* tree.c (bit_position): Likewise.

From-SVN: r66984
 2003-05-20 01:49:12 +00:00
Roger Sayle
c57ddcf1b4 alias.c (mark_constant_function): Check for constancy and purity even of void functions. 
* alias.c (mark_constant_function):  Check for constancy and
	purity even of void functions.  Update both the function decl
	and the cgraph RTL info with the results.

From-SVN: r65981
 2003-04-23 02:47:41 +00:00
Zdenek Dvorak
94f24ddce6 alias.c (find_base_term): Export. 
* alias.c (find_base_term): Export.
	* rtl.h (find_base_term): Declare.
	* gcse.c (find_moveable_store): Test for flag_non_call_exceptions
	instead of flag_exceptions.  Move test for parameter passing ...
	(store_killed_in_insn): ... here.

From-SVN: r65272
 2003-04-05 15:57:40 +00:00
Jan Hubicka
45183e0380 alias.c (rtx_equal_for_memref_p): Assume that X and Y has been canonicalized. 
* alias.c (rtx_equal_for_memref_p): Assume that X and Y has been
	canonicalized.
	(memrefs_conflict_p): Likewise.
	(addr_side_effect_eval): Canonicalize the constructed address.

From-SVN: r64540
 2003-03-18 18:24:07 +00:00
Jan Hubicka
b255a03659 Makefile.in (calls.o, [...]): Depend on cgraph.h 
* Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h
	* alias.c:  Include cgraph.h
	(mark_constant_function): Use cgraph_rtl_info.
	* calls.c:  Include cgraph.h
	(flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const
	calls.
	(expand_call): Use cgraph_rtl_info to set preferred stack boundary.
	* cgraph.c (cgraph_rtl_info): New function.
	* cgraph.h (cgraph_rtl_info): Declare
	(cgraph_rtl_info): Likewise.
	* function.h (struct function): Add recursive_call_emit.
	* toplev.c: Include cgraph.h.
	(rest_of_compilation): Set preferred_incoming_stack_boundary.

	* gcc.dg/i386-local2.c: New.

From-SVN: r63868
 2003-03-05 22:19:33 +00:00
Jan Hubicka
0d446150c2 objc-act.c: Include cgraph.h 
* objc-act.c: Include cgraph.h
	(mark_referenced_methods): New function.
	(objc_init): Call it.
	* objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set.

	* c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time
	mode.

	* optabs.c (expand_fix): Do not widen the input operand.

	* expr.c (emit_group_store):  Fix crash when converting single
	register into complex register.

	* Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h
	* alias.c: Include timevar.h
	(init_alias_analysis):  Set timevar
	* jump.c: Include timevar.h
	(rebuild_jump_labels):  Set timevar
	* regcalss.c: Include timevar.h
	(reg_scan):  Set timevar
	* timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New

From-SVN: r63464
 2003-02-26 11:09:33 +00:00
Zdenek Dvorak
b17d5d7c3b cse.c (count_reg_usage): Fix handling of REG_EQUAL notes. 
* cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.

	* Makefile.in (loop-unroll.o): New.
	* cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
	(unroll_and_peel_loops): Declare.
	* alias.c (init_alias_analysis): Flag_unroll_loops renamed to
	flag_old_unroll_loops.
	* loop.c (loop_invariant_p): Ditto.
	* unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
	flag_old_unroll_all_loops.
	* flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
	(flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
	* params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
	(PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
	PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
	PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
	PARAM_MAX_ONCE_PEELED_INSNS): New.
	* toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
	(flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
	instead of old one.
	(flag_peel_loops): New.
	(lang_independent_options): The new flags added.
	(rest_of_compilation): Call new unroller.
	(process_options): Setup flags for coexistence of old and new unroller.
	* doc/invoke.texi: Document new options.
	* doc/passes.texi: Document new unroller pass.

From-SVN: r63462
 2003-02-26 10:48:36 +00:00
Kazu Hirata
95bd1dd72f alias.c: Fix comment typos. 
* alias.c: Fix comment typos.
	* basic-block.h: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-opts.c: Likewise.
	* c-pragma.c: Likewise.
	* c-pretty-print.h: Likewise.
	* cfg.c: Likewise.
	* cfganal.c: Likewise.
	* cfgbuild.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgrtl.c: Likewise.
	* convert.c: Likewise.
	* cpphash.h: Likewise.
	* cpplex.c: Likewise.
	* cpplib.h: Likewise.
	* df.h: Likewise.
	* diagnostic.c: Likewise.
	* diagnostic.h: Likewise.
	* dwarf2.h: Likewise.

From-SVN: r61462
 2003-01-18 02:26:43 +00:00
Jan Hubicka
7b52eedeed i386.md (adddi3_carry_rex64, [...]): Name pattern. 
* i386.md (adddi3_carry_rex64, subdi3_carry_rex64): Name pattern.
	(addhi3_carry, addqi3_carry, subhi3_carry, subqi3_carry): New patterns.
	(add??cc): New expanders.
	* i386.c (expand_int_addcc): New function.
	* i386-protos.h (expand_int_addcc): Declare.

	* alias.c (memory_modified_1): New static function.
	(memory_modified): New static varaible.
	(memory_modified_in_insn_p): New global function.
	* rtl.h (memory_modified_in_insn_p): Declare.
	* rtlanal.c (modified_between_p, modified_in_p): Be smart about memory
	references.

	* expr.h (emit_conditional_add): Declare.

From-SVN: r61038
 2003-01-08 11:20:23 +00:00
Richard Henderson
1afdf91c83 alias.c (find_base_value): Only use new_reg_base_value shortcut if the register is set once. 
* alias.c (find_base_value): Only use new_reg_base_value shortcut
        if the register is set once.

From-SVN: r61017
 2003-01-07 12:59:42 -08:00
Jim Wilson
c28b4e4097 Fix v850 PlumHall testsuite failure. 
* alias.c (record_set): Handle multi-reg hard registers.

From-SVN: r60474
 2002-12-24 07:49:24 -08:00
Zack Weinberg
4977bab6ed Merge basic-improvements-branch to trunk 
From-SVN: r60174
 2002-12-16 18:23:00 +00:00
Richard Henderson
83bbd9b6c0 alias.c (find_base_value): Use new_reg_base_value if it's live. 
* alias.c (find_base_value): Use new_reg_base_value if it's live.
        (copying_arguments): Make boolean.

From-SVN: r59483
 2002-11-25 16:51:17 -08:00
Mark Mitchell
a3b885703b re PR rtl-optimization/6631 (Miscompiled structure access) 
PR optimization/6631
	* Makefile.in (function.o): Depend on langhooks.h.
	* alias.c (objects_must_conflict_p): Check honor_readonly when
	examining TYPE_READONLY.
	* function.c (assign_stack_temp_for_type): Likewise.

	PR optimization/6631
	* g++.dg/opt/const2.C: New test.

From-SVN: r58136
 2002-10-14 21:19:05 +00:00
Kazu Hirata
da7d830409 ChangeLog: Follow spelling conventions. 
* ChangeLog: Follow spelling conventions.
	* ChangeLog.0: Likewise.
	* ChangeLog.1: Likewise.
	* ChangeLog.2: Likewise.
	* ChangeLog.3: Likewise.
	* ChangeLog.4: Likewise.
	* ChangeLog.5: Likewise.
	* ChangeLog.6: Likewise.
	* FSFChangeLog.10: Likewise.
	* FSFChangeLog.11: Likewise.
	* alias.c: Likewise.
	* basic-block.h: Likewise.
	* c-aux-info.c: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-semantics.c: Likewise.
	* c-typeck.c: Likewise.
	* calls.c: Likewise.
	* cfganal.c: Likewise.
	* cfgloop.c: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* conflict.c: Likewise.
	* cppexp.c: Likewise.
	* cppfiles.c: Likewise.
	* cpphash.h: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cpplib.h: Likewise.
	* cppmacro.c: Likewise.
	* cse.c: Likewise.

From-SVN: r57398
 2002-09-22 02:03:17 +00:00
Richard Henderson
c67a1cf6a8 emit-rtl.c (set_mem_attributes): Preserve indirection of PARM_DECL when flag_argument_noalias == 2. 
* emit-rtl.c (set_mem_attributes): Preserve indirection of PARM_DECL
        when flag_argument_noalias == 2.
        * alias.c (nonoverlapping_memrefs_p): Handle that.
        * print-rtl.c (print_mem_expr): Likewise.

From-SVN: r55633
 2002-07-21 17:23:47 -07:00
Richard Henderson
74d86f4fc1 c-common.c (c_common_get_alias_set): Correctly handle characters. 
* c-common.c (c_common_get_alias_set): Correctly handle characters.
        Rearrange order of expressions; don't handle vectors here.
        * alias.c (get_alias_set): Let vectors match their components.

From-SVN: r54821
 2002-06-20 00:30:04 -07:00
Jeff Law
7f24367410 alias.c (argument_registers): Remove. 
* alias.c (argument_registers): Remove.
	(init_alias_once): Initialize static_reg_base_value here.  Remove
	initialization of argument_registers.
	(init_alias_once_per_function): Remove.
	(init_alias_analysis): Copy all the entries from static_reg_base_value
	into new_reg_base_value all at once.
	* rtl.h (init_alias_once_per_function): Remove declaration.
	* function.c (prepare_function_start): Do not call
	init_alias_once_per_function.

	* caller-save.c (init_caller_save): Use gen_rtx_INSN instead of
	starting a sequence and emitting an INSN.

From-SVN: r54582
 2002-06-13 06:24:00 -06:00
Jeff Law
bf1660a670 alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code. 
* alias.c (static_reg_base_value): New to hold RTL for
	items allocated once per function for the aliasing code.
	(init_alias_once_per_function): Initialize static_reg_base_value.
	(init_alias_analysis): Avoid throw-away allocations of RTL by
	using pre-computed values in static_reg_base_value.
	* function.c (prepare_function_start): Call
	init_alias_once_per_function appropriately.
	* rtl.h (init_alias_once_per_function): Declare.
	* caller-save (init_caller_save): Restructure slightly to
	avoid lots of silly RTL generation.
	* expr.c (init_expr_once): Likewise.
	* reload1.c (reload_cse_regs_1): Allocate throw-away register
	RTL object here.  Pass it into children.
	(reload_cse_simplify_operands): Use passed-in register RTL
	object.
	(reload_cse_simplify): Pass through throw-away register
	RTL object.

From-SVN: r54442
 2002-06-10 10:32:45 -06:00
Geoffrey Keating
e2500fedef Merge from pch-branch up to tag pch-commit-20020603. 
From-SVN: r54232
 2002-06-04 07:11:05 +00:00
Dan Nicolaescu
a6f7c915fe * alias.c (nonoverlapping_memrefs_p): Fix off by one error. 
From-SVN: r54225
 2002-06-03 19:25:57 -07:00
Richard Henderson
ab7803738d alias.c: Include target.h. 
* alias.c: Include target.h.
        (mark_constant_function): Use targetm.binds_local_p instead
        of checking TREE_PUBLIC ourselves.
        * Makefile.in (alias.o): Add TARGET_H.

        * gcc.c-torture/execute/pure-1.c: Don't mark any of the
        test functions static.

From-SVN: r54186
 2002-06-02 13:50:32 -07:00
Kazu Hirata
ca7fd9cd38 alias.c: Fix formatting. 
* alias.c: Fix formatting.
	* attribs.c: Likewise.
	* bb-reorder.c: Likewise.
	* bitmap.c: Likewise.
	* bitmap.h: Likewise.
	* builtins.c: Likewise.

From-SVN: r53898
 2002-05-26 15:01:11 +00:00
Richard Henderson
0fe854a7e0 alias.c (canon_true_dependence): Special case (mem:blk (scratch)). 
* alias.c (canon_true_dependence): Special case (mem:blk (scratch)).

        * gcse.c (free_insn_expr_list_list): New.
        (clear_modify_mem_tables): Use it.  Fix bit set usage.
        (canon_list_insert): Use EXPR_LISTs for expressions.
        (record_last_mem_set_info): Factor BLOCK_NUM (insn).

From-SVN: r52624
 2002-04-22 11:17:06 -07:00
Richard Henderson
c4484b8fe0 re PR rtl-optimization/6165 ([i686] stack frame freed too early) 
PR opt/6165
        * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
        (write_dependence_p): Likewise.

From-SVN: r51882
 2002-04-04 14:48:16 -08:00
John Wehle
c14b996014 alias.c: (nonlocal_mentioned_p): Use for_each_rtx. 
* alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
	(nonlocal_mentioned_p_1): New function.
	(nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
	(nonlocal_set_p, nonlocal_set_p_1): Likewise.
	(mark_constant_function): Recognize pure functions.
	* rtl.h (global_reg_mentioned_p): New prototype.
	* rtlanal.c (global_reg_mentioned_p,
	global_reg_mentioned_p_1): New function.

From-SVN: r51113
 2002-03-21 06:59:43 +00:00
Dan Nicolaescu
61eece67a6 C++ alias analysis improvement. 
2002-03-06  Dan Nicolaescu  <dann@ics.uci.edu>
            Daniel Berlin  <dan@dberlin.org>

        C++ alias analysis improvement.
	* alias.c (record_component_aliases): Record aliases for base
        classes too.
	* cp/cp-lang.c (ok_to_generate_alias_set_for_type): New function.
	(cxx_get_alias_set): Use it.

Co-Authored-By: Daniel Berlin <dberlin@dberlin.org>

From-SVN: r50587
 2002-03-11 13:01:54 -05:00
Aldy Hernandez
69ef87e2bc i386.md ("mmx_uavgv8qi3"): Use const_vector. 
2002-02-19  Aldy Hernandez  <aldyh@redhat.com>

	* config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
	("mmx_uavgv4hi3"): Same.
	("pmulhrwv4hi3"): Same.

	* tree-inline.c (walk_tree): Handle vectors.

	* c-common.c (constant_expression_warning): Handle vectors.
	(overflow_warning): Same.

	* sched-deps.c (sched_analyze_2): Handle vectors.

	* rtlanal.c (rtx_unstable_p): Handle vectors.
	(rtx_varies_p): Same.
	(count_occurrences): Same.
	(regs_set_between_p): Same.
	(modified_between_p): Same.
	(modified_in_p): Same.
	(volatile_insn_p): Same.
	(volatile_refs_p): Same.
	(side_effects_p): Same.
	(may_trap_p): Same.
	(inequality_comparisons_p): Same.
	(replace_regs): Same.
	(computed_jump_p_1): Same.

	* rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
	argument.
	(inner_mode_array): New.
	(copy_rtx): Handle vectors.
	(copy_most_rtx): Same.
	(rtx_equal_p): Same.
	(get_mode_alignment): Adjust for vectors.

	* resource.c (mark_referenced_resources): Handle vectors.
	(mark_set_resources): Same.

	* reload1.c (eliminate_regs): Handle vectors.
	(elimination_effects): Same.
	(scan_paradoxical_subregs): Same.

	* reload.c (subst_reg_equivs): Handle vectors.

	* regrename.c (scan_rtx): Handle vectors.

	* regclass.c (reg_scan_mark_refs): Handle vectors.

	* recog.c (find_single_use_1): Handle vectors.

	* local-alloc.c (equiv_init_varies_p): Handle vectors.
	(contains_replace_regs): Same.
	(memref_referenced_p): Same.

	* integrate.c (copy_rtx_and_substitute): Handle vectors.
	(subst_constants): Same.

	* genattrtab.c (attr_copy_rtx): Handle vectors.
	(encode_units_mask): Same.
	(clear_struct_flag): Same.
	(count_sub_rtxs): Same.

	* gcse.c (want_to_gcse_p): Handle vectors.
	(oprs_unchanged_p): Same.
	(hash_expr_1): Same.
	(oprs_not_set_p): Same.
	(expr_killed_p): Same.
	(compute_transp): Same.
	(store_ops_ok): Same.

	* function.c (purge_addressof_1): Do not allow paradoxical subregs
	of vectors.
	(fixup_var_refs_1): Same.
	(instantiate_virtual_regs_1): Same.

	* fold-const.c (operand_equal_p): Handle vectors.
	(fold): Same.
	(rtl_expr_nonnegative_p): Same.

	* flow.c (mark_used_regs): Handle vectors.

	* df.c (df_uses_record): Handle vectors.

	* cselib.c (cselib_subst_to_values): Handle vectors.
	(cselib_mem_conflict_p): Same.
	(hash_rtx): Same.

	* cse.c (canon_reg): Handle vectors.
	(fold_rt): Same.
	(cse_process_notes): Same.
	(count_reg_usage): Same.
	(canon_hash): Same.

	* alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.

	* combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.

	* emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
	(gen_rtx): Handle CONST_VECTOR.
	(gen_const_vector_0): New.
	(copy_rtx_if_shared): CONST_VECTORs can be shared.
	(reset_used_flags): Same.
	(copy_insn_1): Same.
	(initializer_constant_valid_p): Handle VECTOR_CST.

	* doc/c-tree.texi (Expression trees): Document VECTOR_CST.

	* doc/rtl.texi (Constants): Document const_vector.
	(CONST0_RTX): Update for vectors.
	(RTL sharing): Same.

	* print-tree.c (print_node): Add case for VECTOR_CST.

	* tree.h (TREE_VECTOR_CST_ELTS): New.
	(struct tree_vector): New.
	(union tree_node): Add vector node.
	(build_vector): Add prototype.

	* tree.def (VECTOR_CST): New.

	* tree.c (build_vector): New.

	* expmed.c (make_tree): Handle CONST_VECTOR.

	* rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
	(CONST_VECTOR_ELT): New.
	(CONST_VECTOR_NUNITS): New.

	* machmode.h (GET_MODE_INNER): New.
	(DEF_MACHMODE): Accept 8th arg.

	* machmode.def: Add 8th argument for vector inner mode.
	Add inner vector modes for vectors.

	* rtl.def (VEC_CONST): Remove.
	(CONST_VECTOR): New.

	* expr.c (clear_storage): Allow vectors.
	(is_zeros_p): Handle VECTOR_CST.

	* varasm.c (output_constant_pool): Handle vectors.
	(rtx_const): Add veclo and vechi fields.
	(kind): Add RTX_VECTOR.
	(decode_rtx_const): Add case for vector.

	* config/rs6000/rs6000-protos.h: Add zero_constant.

	* config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
	constants.  Force easy vector constants into memory.
	(easy_vector_constant): New.
	(emit_easy_vector_constant): New.
	(rs6000_legitimize_reload_address): Do not generate bad reloads on
	darwin.

	* config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
	instruction does.
	("altivec_lvxl"): Same.
	(altivec_lvebx): Same.
	(altivec_lvehx): Same.
	(altivec_lvewx): Same.
	("*movv4si_const0"): New.
	("*movv4sf_const0"): New.
	("*movv8hi_const0"): New.
	("*movv16qi_const0"): New.

From-SVN: r49853
 2002-02-19 02:53:41 +00:00
Richard Kenner
1abade8571 alias.c (find_base_term, [...]): Make same change as for find_base_value. 
* alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
	Make same change as for find_base_value.

From-SVN: r49730
 2002-02-13 09:50:53 -05:00
Richard Kenner
0aacc8ed7b alias.c (find_base_value, [...]): Handle #ifdef POINTERS_EXTEND_UNSIGNED. 
* alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
	Handle #ifdef POINTERS_EXTEND_UNSIGNED.

From-SVN: r49706
 2002-02-12 10:18:42 -05:00
Richard Henderson
9b462c4274 alias.c (find_base_value): Recall base values for fixed hard regs. 
* alias.c (find_base_value): Recall base values for fixed hard regs.
	* loop.c (loop_regs_update): Don't use single_set on non-insns.

From-SVN: r49570
 2002-02-07 00:57:04 -08:00
David Edelsohn
d288e53d0c alias.c (find_base_value): Add cases for HIGH... 
2002-01-10  David Edelsohn  <edelsohn@gnu.org>

        * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
        POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
        (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
        Recurse for any operand of AND as long as constant is non-zero.

From-SVN: r48741
 2002-01-10 13:20:03 -05:00
David Edelsohn
0134bf2d50 rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define as 1 for __powerpc64__ as well. 
* config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
        as 1 for __powerpc64__ as well.

        * config/rs6000/t-aix43 (T_ADAFLAGS): Define.

        * alias.c (find_base_value, PLUS/MINUS): If we found a base,
        return it.

From-SVN: r48567
 2002-01-05 11:52:31 -05:00
Joseph Myers
d6a7951f20 ChangeLog.2, [...]: Fix spelling errors. 
* ChangeLog.2, ChangeLog.3, ChangeLog.5, ChangeLog, alias.c,
	cfgbuild.c, expmed.c, expr.c, final.c, flow.c, fold-const.c,
	function.c, config/alpha/alpha.md, config/alpha/vms-ld.c,
	config/arm/arm.c, config/arm/arm.h, config/c4x/libgcc.S,
	config/i370/i370.c, config/i386/i386.c,
	config/i386/i386-interix.h, config/i386/i386.md,
	config/i386/i386.h, config/i386/netbsd-elf.h, config/ia64/ia64.c,
	config/m32r/m32r-protos.h, config/mcore/mcore.h,
	config/rs6000/rs6000.h, config/sparc/linux64.h,
	config/sparc/sparc.c, config/v850/v850-protos.h,
	config/cris/cris.h, config/s390/s390.md, config/elfos.h: Fix
	spelling errors.

From-SVN: r47815
 2001-12-09 20:13:19 +00:00
Richard Henderson
998d7deb14 rtl.h (mem_attrs): Rename decl to expr; adjust all users. 
* rtl.h (mem_attrs): Rename decl to expr; adjust all users.
        (MEM_EXPR): Rename from MEM_DECL; adjust all users.
        * emit-rtl.c (set_mem_expr): Rename from set_mem_decl.
        * expr.h, final.c, reload1.c: Adjust users.

        * alias.c (nonoverlapping_component_refs_p): New.
        (decl_for_component_ref, adjust_offset_for_component_ref): New.
        (nonoverlapping_memrefs_p): Use them.
        * emit-rtl.c (component_ref_for_mem_expr): New.
        (set_mem_attributes): Use it.
        (set_mem_offset): New.
        * expr.c (expand_assignment): Call set_mem_attributes for
        inner references; adjust the memory offset as needed.
        * print-rtl.c (print_mem_expr): New.
        (print_rtx): Use it.

From-SVN: r47534
 2001-12-02 11:04:23 -08:00
Richard Henderson
efc981bbe5 Fix comment typo. 
From-SVN: r47437
 2001-11-28 23:32:40 -08:00
Richard Kenner
ed239f5a43 tree.def (VIEW_CONVERT_EXPR): New tree code. 
* tree.def (VIEW_CONVERT_EXPR): New tree code.
	* tree.h (handled_component_p): New declaration.
	* alias.c (handled_component_p): Move function from here ...
	* expr.c (handled_component_p): ... to here and non longer static.
	(is_zeros_p, case VIEW_CONVERT_EXPR): New case.
	(store_field): Remove unneeded MEM_COPY_ATTRIBUTES call.
	(get_inner_reference): Handle VIEW_CONVERT_EXPR.
	(expand_expr, case VAR_DECL): Clean up handling of re-layout case.
	(expand_expr, case VIEW_CONVERT_EXPR): New case.
	(expand_expr, cse ADDR_EXPR): No need to copy if already
	BIGGEST_ALIGNMENT.
	* fold-const.c (fold, case VIEW_CONVERT_EXPR): New case.
	* varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New.
	(output_constant): Handle VIEW_CONVERT_EXPR.
	* dwarf2out.c (loc-descriptor_from_tree, add_bound_info):
	Add new case for VIEW_CONVERT_EXPR.

From-SVN: r47179
 2001-11-19 15:38:07 -05:00
Richard Kenner
a06ef755a3 alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P. 
* alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P.
	* emit-rtl.c (change_address): Fix typo in default alignment.
	(adjust_address_1): Use mode of NEW, not MODE, when setting size.
	* expr.c (highest_pow2_factor, case WITH_RECORD_EXPR): New case.
	* rtl.h (REGNO_PTR_FRAME_P): New macro.

	* expr.c (store_field): Pass tree instead of max size; callers changed.
	Change handling of alignment.
	Only copy to_rtx if is TARGET.
	(expand_expr_unaligned): Delete; callers now use expand_expr.
	(emit_cmp_insn): No longer take ALIGN parm; all callers changed.
	(expand_assignment): Change handling of alignment.
	Only copy to_rtx if was original.
	(get_inner_reference): No longer return alginment; callers changed.
	(expand_expr, case COMPONENT_REF): Change handling of alignment.
	(expand_expr, case ADDR_EXPR): Make copy if not sufficiently aligned.
	(compare_from_rtx): Delete ALIGN parm; all callers changed.
	(do_compare_rtx_and_jump): Likewise.
	* expr.h: Reflect above changes.
	* tree.h: Likewise.
	* dwarf2out.c (loc_descriptor_from_tree): Remove ALIGN parameter
	to get_inner_reference.
	* except.c: Remove ALIGN parameter in call to emit_cmp_and_jump_insns.
	* explow.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	(prepare_cmp_insn): Now static; remove ALIGN parm.  Callers changed.
	(emit_cmp_and_jump_insns): Remove ALIGN parm; all callers changed.
	* fold-const.c: Remove PALIGN in calls to get_inner_reference.
	* function.c (assign_stack_temp_for_type): No longer static.
	* optabs.h (emit_cmp_insn): Remove ALIGN parm.
	(prepare_cmp_insn): Delete declaration.
	* rtl.h (assign_stack_temp_for_type): Add declaration.
	* config/d30v/d30v.c: Reflect above changes.
	* config/i860/i860.c, config/ia64/ia64.c: Likewise.
	* config/rs6000/rs6000.c, config/sh/sh.c: Likewise.
	* ada/trans.c, ada/utils2.c: Remove PALIGN parameter to
	get_inner_reference.

From-SVN: r47075
 2001-11-15 18:44:58 -05:00
Richard Kenner
0af5bc3eae alias.c (nonoverlapping_memrefs_p): Only update size from memref if both size and offset known. 
* alias.c (nonoverlapping_memrefs_p): Only update size from memref
	if both size and offset known.

From-SVN: r46956
 2001-11-12 11:56:48 -05:00
Richard Kenner
1edcd60b0d * alias.c (nonoverlapping_memrefs_p): Handle DECL_RTL being a CONCAT. 
From-SVN: r46938
 2001-11-12 05:15:03 -05:00
Richard Kenner
d746694a45 alias.c (nonoverlapping_memrefs_p): Not overlapping if one base is constant and one is on frame. 
* alias.c (nonoverlapping_memrefs_p): Not overlapping if one base is
	constant and one is on frame.
	If know memref offset, adjust size from decl.

From-SVN: r46925
 2001-11-11 05:51:17 -05:00
Richard Kenner
a4311dfe6d alias.c (nonoverlapping_memrefs_p): New function. 
* alias.c (nonoverlapping_memrefs_p): New function.
	(true_dependence, canon_true_depenence, write_dependence_p): Call it.

From-SVN: r46897
 2001-11-09 17:52:09 -05:00
Neil Booth
d23c55c28c Clean up langhooks 
* alias.c:: Include langhooks.h.
	* emit-rtl.c: Similarly.
	* toplev.c: Similarly.
	* tree-inline.c: Similarly.
	* langhooks-def.h: New, the old langhooks.h.  Give the default
	hooks a common prefix.
	* langhooks.h: Contents extracted from toplev.h.
	* toplev.h: Move langhook stuff to langhooks.h.
	* langhooks.c: Give default hooks a common prefix.

	* c-lang.c: Include langhooks-def.h.
	* ada/misc.c: Similarly.
	* cp/cp-lang.c: Similarly.
	* f/com.c: Similarly.
	* java/lang.c: Similarly.
	* objc/objc-act.c: Similarly.

	* Makefile.in: Update.
	* ada/Makefile.in: Similarly.
	* cp/Make-lang.in: Similarly.
	* f/Make-lang.in: Similarly.
	* java/Make-lang.in: Similarly.
	* objc/Make-lang.in: Similarly.

From-SVN: r46813
 2001-11-06 21:12:14 +00:00
Joseph Myers
f5143c46a9 ChangeLog.2, [...]: Fix spelling errors. 
* ChangeLog.2, ChangeLog.4, ChangeLog.5, ChangeLog,
	FSFChangeLog.10, FSFChangeLog.11, alias.c, attribs.c,
	caller-save.c, calls.c, cfg.c, cfganal.c, cfgcleanup.c, cfgrtl.c,
	cppmacro.c, fold-const.c, ifcvt.c, local-alloc.c, profile.c,
	sched-int.h, toplev.c, config/alpha/alpha.c,
	config/alpha/alpha.md, config/c4x/c4x.h, config/cris/cris.h,
	config/cris/cris.md, config/i370/i370.md, config/i386/i386.c,
	config/i386/i386.h, config/i386/i386.md, config/i386/xm-djgpp.h,
	config/ia64/ia64.c, config/m68hc11/m68hc11.c, config/m68k/m68k.md,
	config/mcore/mcore.h, config/mmix/mmix.c, config/ns32k/ns32k.h,
	config/ns32k/ns32k.md, config/rs6000/rs6000.c,
	config/rs6000/sysv4.h, config/sh/sh.md: Fix spelling errors.

From-SVN: r46760
 2001-11-04 02:51:28 +00:00
Kazu Hirata
e5837c07d5 alias.c: Fix comment formatting. 
* alias.c: Fix comment formatting.
	* recog.c: Likewise.
	* config/cris/cris.c: Likewise.
	* config/cris/cris.h: Likewise.
	* config/i960/i960.c: Likewise.
	* config/i960/i960.h: Likewise.

From-SVN: r46640
 2001-10-30 15:01:50 +00:00