Commit Graph

1292 Commits

Author SHA1 Message Date
Andrew Pinski
0890b981c9 re PR middle-end/28436 (accessing an element via a "pointer" on a vector does not cause vec_extract to be used)
2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/28436
        * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
        (DECL_GIMPLE_REG_P): This.
        * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
        using BIT_FIELD_REF.
        * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
        * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
        and check for VECTOR_TYPE.
        * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
        vector types.
        * tree-flow-inline.h (var_can_have_subvars): Use the renamed
        DECL_GIMPLE_REG_P.
        * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
        and check for VECTOR_TYPE.
        (gimplify_bind_expr): Likewise.
        (gimplify_function_tree): Likewise.
        * expmed.c: Include target.h.
        (extract_bit_field): For vector mode, try find a better mode first.
        If that fails use gen_lowpart (for vectors only).
        * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
        and check for VECTOR_TYPE.
        * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
        (insert_into_preds_of_block): Likewise.
        (insert_fake_stores): Create gimple register store_tmps for
        vector types.
        * tree-sra.c (sra_elt): New field, is_vector_lhs.
        (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
        are the left hand side, set the element's is_vector_lhs to true.
        (instantiate_element): For vector types which were on the left         hand size, set DECL_GIMPLE_REG_P to false.
        * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P.        * tree-inline.c (declare_return_variable):  Use the renamed
        DECL_GIMPLE_REG_P
        and check for VECTOR_TYPE.         (copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
        (copy_result_decl_to_var): Likewise.
        * tree-vect-transform.c (vect_get_new_vect_var): For vector types,         create a gimple register variable.
        (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
        vect_inter_* temp variables.
        * Makefile.in (expmed.o): Update dependencies.

2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/28436
        * gcc.c-torture/compile/vector-1.c: New test.
        * gcc.c-torture/compile/vector-2.c: New test.
        * gcc.c-torture/compile/vector-3.c: New test.

From-SVN: r119801
2006-12-12 14:33:06 -08:00
Andrew MacLeod
a3de5951ce expr.c (string_constant): Account for non-zero lower bound arrays.
2006-12-07  Andrew Macleod  <amacleod@redhat.com>

	* expr.c (string_constant): Account for non-zero lower bound arrays.

From-SVN: r119623
2006-12-07 14:39:37 +00:00
Aldy Hernandez
07beea0df3 Merge gimple-tuples-branch into mainline.
From-SVN: r119546
2006-12-05 17:26:05 +00:00
Jan Hubicka
8c99651385 expr.c (emit_block_move_via_libcall): Export.
* expr.c (emit_block_move_via_libcall): Export.
	(clear_storage_via_libcall): Rename to ...
	(set_storage_via_libcall): ... this one; handle arbitrary value to set.
	(clear_storage): Update to set_storage_via_libcall.
	* expr.h (emit_block_move_via_libcall): Declare
	* config/i386/i386.h (stringop_alg): New enum.
	(MAX_STRINGOP_ALGS): New constant.
	(stringop_algs): New struct.
	(processor_costs): Add memcpy/memset descriptors.
	(TARGET_REP_MOVEL_OPTIMAL): Remove.
	* config/i386/i386.md (movsi_insv_1_rex64): New pattern.
	(strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
	for memset.
	* config/i386/i386.opt (minline-stringops-dynamically,
	mstringop-strategy): New
	parameters.
	* config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
	(ix86_expand-clrmem): Rename to ...
	(ix86_expand_setmem): ... this one; update prototype.
	* config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
	(size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
	geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
	nocona_cost, core2_cost, generic_cost, generic64_cost,
	generic32_cost): Add memcpy/memset descriptors.
	(x86_rep_movl_optimal): Remove.
	(stringop_alg): New static variable.
	(ix86_expand_aligntest): Handle predictions.
	(override_options): Add strgop_alg handling.
	(predict_jump): New function.
	(scale_counter): New function.
	(expand_set_or_movmem_via_loop): New function.
	(expand_movmem_via_rep_mov): New function.
	(expand_setmem_via_rep_stots): New function.
	(emit_strmov): New function.
	(expand_movmem_epilogue): New function.
	(expand_setmem_epilogue_via_loop): New function.
	(expand_setmem_epilogue): New function.
	(expand_movmem_prologue): New function.
	(expand_setmem_prologue): New function.
	(decide_alg): New function.
	(decide_alignment): New function.
	(ix86_exand_movmem): Rewrite.
	(promote_duplicated_reg): New function.
	(ix86_expand_clrmem): Rename to ...
	(ix86_expand_setmem): ... this one. Rewrite.

	* invoke.texi (minline-stringops-dynamically): New command line option.
	(mstringop-strategy): Likewise.

From-SVN: r119252
2006-11-27 16:00:26 +00:00
Ira Rosen
98b44b0eea c-tree.texi: Document new tree codes.
* doc/c-tree.texi: Document new tree codes.
        * doc/md.texi: Document new optabs.
        * tree-pretty-print.c (dump_generic_node): Handle print of new tree
        codes.
        * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
        * optabs.h (optab_index): Add new.
        (vec_extract_even_optab, vec_extract_odd_optab,
        vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
        * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
        vec_interleave_high_optab, vec_interleave_low_optab): Initialize
        new optabs.
        * expr.c (expand_expr_real_1): Add implementation for new tree codes.
        * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
        * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
        along with macros for their access.
        * tree-data-ref.h (first_location_in_loop, data_reference): Update
        comment.
        * tree-vect-analyze.c (toplev.h): Include.
        (vect_determine_vectorization_factor): Fix indentation.
        (vect_insert_into_interleaving_chain,
        vect_update_interleaving_chain, vect_equal_offsets): New functions.
        (vect_analyze_data_ref_dependence): Add argument for interleaving
        check. Check for interleaving if it's true.
        (vect_check_dependences): New function.
        (vect_analyze_data_ref_dependences): Call vect_check_dependences for
        every ddr. Call vect_analyze_data_ref_dependence with new argument.
        (vect_update_misalignment_for_peel): Update for interleaving.
        (vect_verify_datarefs_alignment): Check only first data-ref for
        interleaving.
        (vect_enhance_data_refs_alignment): Update for interleaving. Check
        only first data-ref for interleaving.
        (vect_analyze_data_ref_access): Check interleaving, update
        interleaving data.
        (vect_analyze_data_refs): Call compute_data_dependences_for_loop
        with different parameters.
        * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
        VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
        * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
        Update step in case of interleaving.
        (vect_strided_store_supported, vect_permute_store_chain): New
        functions.
        (vectorizable_store): Handle strided stores.
        (vect_strided_load_supported, vect_permute_load_chain,
        vect_transform_strided_load): New functions.
        (vectorizable_load): Handle strided loads.
        (vect_transform_stmt): Add argument. Handle strided stores. Check
        that vectorized stmt exists for patterns.
        (vect_gen_niters_for_prolog_loop): Update calculation for
        interleaving.
        (vect_transform_loop): Remove stmt_vec_info for strided stores after
        whole chain vectorization.
        * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
        UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
        (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
        vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
        vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.

From-SVN: r119088
2006-11-22 08:46:03 +00:00
Richard Earnshaw
a41a56b62d expmed.c (emit_store_flag_1): New function.
* expmed.c (emit_store_flag_1): New function.
	(emit_store_flag): Call it.  If we can't find a suitable scc insn,
	try a cstore insn.
	* expr.c (do_store_flag): If we can't find a scc insn, try cstore.
	Use do_compare_rtx_and_jump.
	* arm.h (BRANCH_COST): Increase to 2 on Thumb.
	* arm.md (cstoresi4): New define_expand.
	(cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
	(cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
	(cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.

From-SVN: r118829
2006-11-14 23:25:43 +00:00
Richard Guenther
f9f770a8d5 tree.def (FIX_CEIL_EXPR, [...]): Remove unused tree codes.
2006-11-11  Richard Guenther  <rguenther@suse.de>

	* tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
	Remove unused tree codes.
	* tree-vrp.c (extract_range_from_unary_expr): Remove handling
	of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* tree.c (stabilize_reference): Likewise.
	* fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
	fold_unary): Likewise.
	* tree-gimple.c (is_gimple_cast): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-eh.c (tree_could_trap_p): Likewise.
	* gimplify.c (gimplify_expr): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* tree-cfg.c (verify_expr): Likewise.

	cp/
	* typeck.c (build_unary_op): Likewise.

	java/
	* check-init.c (check_init): Likewise.

	ada/
	* trans.c (maybe_stabilize_reference): Likewise.

	fortran/
	* trans-intrinsic.c (enum rounding_mode): New enum.
	(build_fix_expr, gfc_conv_intrinsic_aint, gfc_conv_intrinsic_mod,
	gfc_conv_intrinsic_function): Use it instead of FIX_CEIL_EXPR,
	FIX_FLOOR_EXPR, FIX_ROUND_EXPR and FIX_TRUNC_EXPR.

From-SVN: r118692
2006-11-11 12:05:16 +00:00
Dorit Nuzman
89d67ccabb [multiple changes]
2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
        enum argument instead of bool.
        (vect_analyze_operations): Call vectorizable_type_promotion.
        * tree-vectorizer.h (type_promotion_vec_info_type): New enum
        stmt_vec_info_type value.
        (supportable_widening_operation, vectorizable_type_promotion): New
        function declarations.
        * tree-vect-transform.c (vect_gen_widened_results_half): New function.
        (vectorizable_type_promotion): New function.
        (vect_transform_stmt): Call vectorizable_type_promotion.
        * tree-vect-analyze.c (supportable_widening_operation): New function.
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
        Add implementation.
        * tree-vect-generic.c (expand_vector_operations_1): Consider correct
        mode.

        * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
        (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
        * tree-inline.c (estimate_num_insns_1): Add cases for above new
        tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
        * expr.c (expand_expr_real_1): Likewise.
        * optabs.c (optab_for_tree_code): Likewise.
        (init_optabs): Initialize new optabs.
        * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
        vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
        vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
        vec_unpacku_lo_optab): Initialize new optabs.
        * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
        (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
        OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
        optab indices.
        (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
        (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
        (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
        (vec_unpacku_lo_optab): New optabs.
        * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
        (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
        (vec_widen_smult_hi, vec_widen_smult_lo): New.
        * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
        (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
        (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.

        * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
        (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
        (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
        (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
        (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
        implement the unsigned unpacking patterns.
        (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
        (vec_unpacks_lo_v8hi): New signed unpacking patterns.
        (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
        (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
        (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
        (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
        (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
        (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
        multiplication patterns.

        * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
        * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
        * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
        (rs6000_builtin_mul_widen_odd): New.
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
        * tree-vectorizer.h (enum vect_relevant): New enum type.
        (_stmt_vec_info): Field relevant chaned from bool to enum
        vect_relevant.
        (STMT_VINFO_RELEVANT_P): Updated.
        (STMT_VINFO_RELEVANT): New.
        * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
        instead of STMT_VINFO_RELEVANT_P.
        * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
        Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
        and boolean variable with enum vect_relevant.
        (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
        (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.

        2006-11-08  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (vec_widen_umult_hi_v8hi,
        vec_widen_umult_lo_v8hi): New.
        (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
        vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.

        * config/i386/i386.c (ix86_expand_sse_unpack): New.
        * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
        * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
        vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
        vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
        vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
        vec_unpacks_lo_v4si): New.

        2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vectorizable_type_demotion): New function.
        (vect_transform_stmt): Add case for type_demotion_vec_info_type.
        (vect_analyze_operations): Call vectorizable_type_demotion.
        * tree-vectorizer.h (type_demotion_vec_info_type): New enum
        stmt_vec_info_type value.
        (vectorizable_type_demotion): New function declaration.
        * tree-vect-generic.c (expand_vector_operations_1): Consider correct
        mode.

        * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
        * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
        VEC_PACK_SAT_EXPR.
        * tree-iniline.c (estimate_num_insns_1): Likewise.
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
        * optabs.c (optab_for_tree_code): Likewise.

        * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
        compared against the predicate of the result is not 'mode' (the input
        to the function) but a mode with half the size of 'mode'.
        (init_optab): Initialize new optabs.
        * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
        New optab indices.
        (vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
        optabs.
        * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
        (vec_pack_usat_optab): Initialize new optabs.
        * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
        * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.

        2006-11-08  Richard Henderson  <rth@redehat.com>

        * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
        (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
        (vec_interleave_highv8hi, vec_interleave_lowv8hi):
        (vec_interleave_highv4si, vec_interleave_lowv4si):
        (vec_interleave_highv2di, vec_interleave_lowv2di): New.

        2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vectorizable_reduction): Support multiple
        datatypes.
        (vect_transform_stmt): Removed redundant code.

        2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vectorizable_operation): Support multiple
        datatypes.

        2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_align_data_ref): Removed.
        (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
        Updated function documentation. Return the increment stmt in ptr_incr.
        (bump_vector_ptr): New function.
        (vect_get_vec_def_for_stmt_copy): New function.
        (vect_finish_stmt_generation): Create a stmt_info to newly created
        vector stmts.
        (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
        argument.
        (vectorizable_reduction, vectorizable_assignment): Not supported yet if
        VF is greater than the number of elements that can fit in one vector
        word.
        (vectorizable_operation, vectorizable_condition): Likewise.
        (vectorizable_store, vectorizable_load): Support the case that the VF
        is greater than the number of elements that can fit in one vector word.
        (vect_transform_loop): Don't fail in case of multiple data-types.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
        in case of multiple data-types; the smallest type determines the VF.
        (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
        if they are of different sizes.
        (vect_update_misalignment_for_peel): Compare misalignments in terms of
        number of elements rather than number of bytes.
        (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
        (vect_can_advance_ivs_p): Fix a dump printout

From-SVN: r118577
2006-11-08 07:32:44 +00:00
David Edelsohn
dc10a47e83 re PR target/29250 (internal compiler error: in extract_insn, at recog.c:2084)
2006-10-13  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/29250
        * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
        CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
        recursing.

Co-Authored-By: Ian Lance Taylor <ian@airs.com>

From-SVN: r117724
2006-10-13 23:03:23 -04:00
Richard Henderson
a98d4769d5 Revert emutls patch.
From-SVN: r117578
2006-10-09 09:27:14 -07:00
Richard Henderson
e701a32a98 Makefile.in (libgcc.mk, [...]): Add emutls.c.
gcc/
        * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
        * builtin-types.def (BT_WORD): Make unsigned.
        (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
        (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
        * c-decl.c (grokdeclarator): Don't error if !have_tls.
        * c-parser.c (c_parser_omp_threadprivate): Likewise.
        * cgraph.c (decide_is_variable_needed): Look at force_output.
        Recurse for emulated tls.
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
        checks redundant with decide_is_variable_needed.
        (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
        * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
        emulated tls.
        * expr.c (emutls_var_address): New.
        (expand_expr_real_1): Expand emulated tls.
        (expand_expr_addr_expr_1): Likewise.
        * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
        * output.h (emutls_finish): Declare.
        * toplev.c (compile_file): Call it.
        * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
        address before wrapping in CONST.
        * varasm.c (emutls_htab, emutls_object_type): New.
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
        (get_emutls_object_name, get_emutls_object_type): New.
        (get_emutls_init_templ_addr, emutls_decl): New.
        (emutls_common_1, emutls_finish): New.
        (assemble_variable): When emulating tls, swap decls; generate
        constructor for the emutls objects.
        (do_assemble_alias): When emulating tls, swap decl and target name.
        (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
        for emulated tls.
        * emutls.c: New file.
        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
        tls_object for real tls.

gcc/cp/
        * decl.c (grokvardecl): Don't error if !have_tls.
        (grokdeclarator): Likewise.
        * parser.c (cp_parser_omp_threadprivate): Likewise.

gcc/fortran/
        * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address
        and __emutls_register_common.
        * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls.
        * trans-common.c (build_common_decl): Don't check have_tls.
        * trans-decl.c (gfc_finish_var_decl): Likewise.
        * types.def (BT_WORD, BT_FN_PTR_PTR): New.
        (BT_FN_VOID_PTR_WORD_WORD_PTR): New.

gcc/testsuite/
        * lib/target-supports.exp (check_effective_target_tls): Redefine
        to mean non-emulated tls.
        * gcc.dg/tls/alias-1.c: Remove tls requirement.
        * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c,
        gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c,
        gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c,
        gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c,
        gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c,
        gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise.

From-SVN: r117440
2006-10-04 14:09:20 -07:00
Zdenek Dvorak
e69e3d0e8b re PR target/27907 (ICE in expand_simple_unop, at optabs.c:2307)
PR rtl-optimization/27907
	* expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
	FLOAT_TRUNCATE.

	* gcc.c-torture/compile/pr27907.c: New test.

From-SVN: r115760
2006-07-26 16:47:28 +00:00
Olivier Hainque
fe24d4852e tree.h (categorize_ctor_elements): Adjust prototype and add descriptive comment...
* tree.h (categorize_ctor_elements): Adjust prototype and add
	descriptive comment, both in accordance with the interface change
	described below.
	* varasm.c (constructor_static_from_elts_p): New function.
	Whether a constructor node is a valid static constant initializer
	if all its elements are.
	(initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
	* output.h: Declare it.	
	* expr.c (categorize_ctor_elements_1): Return whether the constructor
	is a valid constant initializer instead of computing the number of
	non-constant elements.  Use constructor_static_from_elts_p for this
	purpose.  Replace the head comment with an indication that this is a
	helper for categorize_ctor_elements.
	(categorize_ctor_elements): Same interface change as for the _1
	helper.  Former head comment from this helper moved here, adjusted to
	account for the interface changes.
	(mostly_zeros_p): Adjust call to categorize_ctor_elements.
	(all_zeros_p): Likewise.	
	* gimplify.c (gimplify_init_constructor): Decide whether we can make
	static versions of the constructor from the categorize_ctor_elements
	return value instead of the formerly computed number of non-constant
	elements.

	* gnat.dg/outer_agg_bitfield_constructor.adb: New test.
	* gnat.dg/nested_agg_bitfield_constructor.adb: New test.

From-SVN: r115553
2006-07-18 13:07:28 +00:00
Roger Sayle
e577c8c0bb re PR middle-end/28131 (FAIL: gcc.c-torture/execute/va-arg-25.c compilation (ICE))
2006-06-22  Roger Sayle  <roger@eyesopen.com>
	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/28131
	* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
	call to lang_hooks.types.type_for_mode returned NULL_TREE.


Co-Authored-By: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>

From-SVN: r114923
2006-06-23 02:01:30 +00:00
Roger Sayle
1000b34d95 expr.c (expand_expr_real_1): For vector constants with integer modes...
* expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
	integer modes, attempt to directly construct an integer constant.

	* fold-const.c (native_encode_vector): Determine the size of each
	element from the vector type instead of the first vector element.

	* tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
	if all of its elements/components are constant.
	(build_constructor_from_list): Likewise.

From-SVN: r114815
2006-06-20 15:02:05 +00:00
Joseph Myers
550ab0c644 expr.c (undefined_operand_subword_p): New.
* expr.c (undefined_operand_subword_p): New.
	(emit_move_multi_word): Do not generate move from undefined bits
	of a paradoxical subreg.

From-SVN: r114021
2006-05-23 19:54:37 +01:00
Bernd Schmidt
33598a1b8e re PR middle-end/27620 (g++.dg/init/array15.C uses 4MB stack space)
PR middle-end/27620
	* expr.c (safe_from_p): Handle CONSTRUCTOR again.

From-SVN: r113850
2006-05-17 09:42:23 +00:00
Roger Sayle
6cc1d69426 expr.c (expand_assignment): Optimize away no-op moves where the source and destination are equal and have...
* expr.c (expand_assignment): Optimize away no-op moves where the
	source and destination are equal and have no side-effects.

From-SVN: r113009
2006-04-17 16:49:54 +00:00
Roger Sayle
d763e13096 re PR middle-end/25474 (Extra load for some FP code)
PR middle-end/25474
	* expr.c (compress_float_constant): Copy the narrow constant into
	a new pseudo before extending it to its final width.

From-SVN: r112991
2006-04-16 23:33:51 +00:00
Kazu Hirata
75c40d56f7 cfgcleanup.c, [...]: Fix comment typos.
* 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.

From-SVN: r112971
2006-04-15 21:45:06 +00:00
Roger Sayle
7488662d91 expr.c (emit_group_store): Correct operand order in call to subreg_lowpart_offset.
* expr.c (emit_group_store): Correct operand order in call to
	subreg_lowpart_offset.  Always create paradoxical SUBREGs with
	a SUBREG_BYTE of zero.

From-SVN: r112887
2006-04-12 13:46:19 +00:00
Roger Sayle
cf26aa8910 expr.c (store_constructor): Don't bother clearing target if we're about to assign a vector to it using...
* expr.c (store_constructor): Don't bother clearing target if
	we're about to assign a vector to it using vec_init_optab.

From-SVN: r112817
2006-04-10 05:13:59 +00:00
Roger Sayle
3967bc2db0 builtins.c (fold_builtin_sprintf): Use fold_convert instead of convert in the middle-end.
* builtins.c (fold_builtin_sprintf): Use fold_convert instead of
	convert in the middle-end.
	* expr.c (store_expr, store_constructor, get_inner_reference,
	expand_expr_real_1, string_constant, try_casesi, try_tablejump):
	Likewise.
	* tree.c (build_range_type): Likewise.

From-SVN: r112670
2006-04-04 15:27:08 +00:00
Roger Sayle
9fd20553b5 re PR middle-end/26977 (ICE in emit_move_insn)
PR middle-end/26977
	* expr.c (emit_group_store): Check whether simplify_gen_subreg returns
	NULL_RTX, indicating it couldn't create a valid paradoxical subreg.

From-SVN: r112626
2006-04-02 22:23:44 +00:00
Roger Sayle
5650dfbdb0 expr.c (emit_group_store): Make bytepos a HOST_WIDE_INT to signed vs.
* expr.c (emit_group_store): Make bytepos a HOST_WIDE_INT to
	signed vs. unsigned comparison failures on some hosts.

From-SVN: r112567
2006-03-31 03:53:47 +00:00
Roger Sayle
79edfde8fb re PR target/17959 (-mpowerpc64 can cause worse code than without it)
PR target/17959
	* expr.c (emit_group_store):  Optimize group stores into a pseudo
	register by using a paradoxical subreg to initialize the destination
	if the first or last member of the group specifies a "low part".

From-SVN: r112543
2006-03-30 17:47:48 +00:00
Roger Sayle
5ac6066999 expr.c (emit_group_store): Only create a new pseudo reg if the quantity it needs to hold isn't already a...
* expr.c (emit_group_store): Only create a new pseudo reg if the
	quantity it needs to hold isn't already a suitable pseudo.

From-SVN: r112469
2006-03-28 19:38:28 +00:00
Jason Merrill
5b5cba1f05 re PR middle-end/20297 (#pragma GCC visibility isn't properly handled for builtin functions)
PR middle-end/20297
        * expr.c (init_block_move_fn): Force default visibility.
        (init_block_clear_fn): Likewise.
        * builtins.c (expand_builtin_fork_or_exec): Likewise.
        * targhooks.c (default_external_stack_protect_fail): Likewise.

From-SVN: r112270
2006-03-21 23:20:52 -05:00
Kazu Hirata
c0220ea4c5 builtins.c, [...]: Fix comment typos.
* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
	combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
	config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
	config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
	df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
	loop-invariant.c, omp-low.c, opts.c, passes.c,
	rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
	tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
	tree-ssa-structalias.c, tree-ssa-threadedge.c,
	tree-ssa-threadupdate.c, tree-vect-patterns.c,
	tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
	unwind-dw2.c: Fix comment typos.  Follow spelling conventions.

From-SVN: r111721
2006-03-04 23:05:24 +00:00
Richard Sandiford
aacd3885eb re PR target/9703 ([arm] Accessing data through constant pool more times could be solved in less instructions)
* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
	* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
	(copy_insn_1): Likewise.  Don't copy each field individually.
	Reindent.
	* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
	of RTX_SIZE.
	* reload1.c (eliminate_regs): Use shallow_copy_rtx.
	* rtl.c (rtx_size): Rename variable to...
	(rtx_code_size): ...this.
	(rtx_size): New function.
	(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
	(copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
	Reindent.
	(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
	* rtl.h (rtx_code_size): New variable.
	(rtx_size): Change from a variable to a function.
	(RTX_SIZE): Rename to...
	(RTX_CODE_SIZE): ...this.

	PR target/9703
	PR tree-optimization/17106
	* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
	(Anchored Addresses): New section.
	* doc/invoke.texi (-fsection-anchors): Document.
	* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
	(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
	(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
	* hooks.c (hook_bool_mode_rtx_false): New function.
	* hooks.h (hook_bool_mode_rtx_false): Declare.
	* gengtype.c (create_optional_field): New function.
	(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
	SYMBOL_REF_IN_BLOCK_P is true.
	* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
	(min_anchor_offset, max_anchor_offset): Likewise.
	(use_anchors_for_symbol_p): New hook.
	* toplev.c (compile_file): Call output_object_blocks.
	(target_supports_section_anchors_p): New function.
	(process_options): Check that -fsection-anchors is only used on
	targets that support it and when -funit-at-a-time is in effect.
	* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
	if the decl doesn't have one.
	* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
	* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
	of force_const_mem through use_anchored_address.
	(expand_expr_constant): New function.
	(expand_expr_addr_expr_1): Call it.  Use the same modifier when
	calling expand_expr for INDIRECT_REF.
	(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
	for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
	* expr.h (use_anchored_address): Declare.
	* loop-unroll.c: Don't declare rtx vectors here.
	* explow.c: Include output.h.
	(validize_mem): Call use_anchored_address.
	(use_anchored_address): New function.
	* common.opt (-fsection-anchors): New switch.
	* varasm.c (object_block_htab, anchor_labelno): New variables.
	(hash_section, object_block_entry_eq, object_block_entry_hash)
	(use_object_blocks_p, get_block_for_section, create_block_symbol)
	(use_blocks_for_decl_p, change_symbol_section): New functions.
	(get_variable_section): New function, split out from assemble_variable.
	(make_decl_rtl): Create a block symbol if use_object_blocks_p and
	use_blocks_for_decl_p say so.  Use change_symbol_section if the
	symbol has already been created.
	(assemble_variable_contents): New function, split out from...
	(assemble_variable): ...here.  Don't output any code for
	block symbols; just pass them to place_block_symbol.
	Use get_variable_section and assemble_variable_contents.
	(get_constant_alignment, get_constant_section, get_constant_size): New
	functions, split from output_constant_def_contents.
	(build_constant_desc): Create a block symbol if use_object_blocks_p
	says so.  Or into SYMBOL_REF_FLAGS.
	(assemble_constant_contents): New function, split from...
	(output_constant_def_contents): ...here.  Don't output any code
	for block symbols; just pass them to place_section_symbol.
	Use get_constant_section and get_constant_alignment.
	(force_const_mem): Create a block symbol if use_object_blocks_p and
	use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
	(output_constant_pool_1): Add an explicit alignment argument.
	Don't switch sections here.
	(output_constant_pool): Adjust call to output_constant_pool_1.
	Switch sections here instead.  Don't output anything for block symbols;
	just pass them to place_block_symbol.
	(init_varasm_once): Initialize object_block_htab.
	(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
	(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
	(place_block_symbol, get_section_anchor, output_object_block)
	(output_object_block_htab, output_object_blocks): New functions.
	* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
	(TARGET_ASM_OUT): Include it.
	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
	(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
	(TARGET_INITIALIZER): Include them.
	* rtl.c (rtl_check_failed_block_symbol): New function.
	* rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
	(block_symbol, object_block): New structures.
	(rtx_def): Add a block_symbol field to the union.
	(BLOCK_SYMBOL_CHECK): New macro.
	(rtl_check_failed_block_symbol): Declare.
	(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
	(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
	(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
	(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
	* output.h (output_section_symbols): Declare.
	(object_block): Name structure.
	(place_section_symbol, get_section_anchor, default_asm_output_anchor)
	(default_use_anchors_for_symbol_p): Declare.
	* Makefile.in (RTL_BASE_H): Add vec.h.
	(explow.o): Depend on output.h.
	* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
	(TARGET_MAX_ANCHOR_OFFSET): Likewise.
	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
	(rs6000_use_blocks_for_constant_p): New function.

From-SVN: r111254
2006-02-18 22:06:53 +00:00
Roger Sayle
3bf78d3be2 optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx directly...
* optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
	directly, instead let do_compare_rtx_and_jump handle this for us.
	* expr.c (expand_expr_real_1): Likewise.
	* dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
	before do_jump_by_parts_greater.
	(do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
	* expr.h (do_jump_by_parts_greater_rtx): Delete prototype.

From-SVN: r110954
2006-02-14 02:59:42 +00:00
Roger Sayle
71d5938381 tree.def (CHAR_TYPE): Remove.
* tree.def (CHAR_TYPE): Remove.
	* dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
	* dwarf2out.c (base_type_die, is_base_type): Likewise.
	(gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
	(gen_string_type_die): Delete unreachable function.

	* tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
	* tree.c (build_int_cst_wide, type_contains_placeholder_1,
	type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
	* tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
	* builtins.c (type_to_class): Likewise.
	* fold-const.c (fold_convert, build_range_check,
	merge_ranges): Likewise.
	* expr.c (count_type_elements): Likewise.
	* c-pretty-print.c (pp_c_type_specifier): Likewise.
	* stor-layout.c (layout_type): Likewise.
	* ipa-type-escape.c (type_to_consider): Likewise.
	* gimplify.c (omp_firstprivatize_type_sizes,
	gimplify_type_sizes): Likewise.
	* explow.c (promote_mode): Likewise.
	* tree-sra.c (is_sra_scalar_type): Likewise.
	* varasm.c (output_constant): Likewise.
	* tree-inline.c (remap_type_1): Likewise.
	* convert.c (convert_to_pointer, convert_to_real,
	convert_to_integer, convert_to_complex): Likewise.

From-SVN: r110775
2006-02-08 23:57:21 +00:00
Paul Brook
3f9e6aeda6 function.c (assign_parm_setup_reg): Use function argument promotion rules.
2006-02-01  Paul Brook  <paul@codesourcery.com>

	* function.c (assign_parm_setup_reg): Use function argument promotion
	rules.
	* expr.c (expand_expr_real_1): Use function argument promotion rules
	for PARM_DECLs.

From-SVN: r110477
2006-02-01 19:44:47 +00:00
Andrew Pinski
f51a281b45 re PR middle-end/26001 (expand uses the wrong part of the string for array accesses)
2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/26001
        * gfortran.dg/data_char_2.f90: New.
2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/26001
        * expr.c (expand_expr_real_1) <case ARRAY_REF>:
        Use the corrected index for the character
        out of the string constant.

From-SVN: r110465
2006-01-31 17:03:52 -08:00
Marcin Dalecki
842173466d expr.h (expand_normal): new inline function.
2006-01-30  Marcin Dalecki  <martin@dalecki.de>

	* expr.h (expand_normal): new inline function.
	* builtins.c: use it, use EXPAND_NORMAL explicitely.
	* dojump.c: use it.
	* dwarf2out.c: use it.
	* expr.c: use it.
	* calls.c: use it.
	* expmed.c: use it.
	* except.c: use it.
	* config/sparc/sparc.c: use it.
	* config/i386/i386.c: use it.
	* config/rs6000/rs6000.c: use it.
	* config/arm/arm.c: use it.
	* config/mips/mips.c: use it.
	* stmt.c: use it, use EXPAND_NORMAL explicitely.

From-SVN: r110428
2006-01-31 05:44:14 +01:00
Dorit Nuzman
20f0622174 Makefile.in (tree-vect-patterns.o): Add rule for new file.
* Makefile.in (tree-vect-patterns.o): Add rule for new file.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
        existing STMT_VINFO_VECTYPE if available.
        (vect_mark_relevant): Add special handling for stmts that are
        marked as STMT_VINFO_IN_PATTERN_P.
        (vect_analyze_loop): Call vect_pattern_recog.
        * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
        * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
        stmt_info.
        (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
        (vect_recog_func_ptr): New function-pointer type.
        * tree-vect-patterns.c: New file.
        (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
        (vect_recog_dot_prod_pattern, vect_pattern_recog):
        (vect_pattern_recog_1): New functions.
        (vect_pattern_recog_funcs): New array of function pointers.

        * tree-vectorizer.h (ternary_op): New enum value.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
        declaration. Revised documentation. Removed redundant dump prints.
        Removed redundant argument. Added support for reduction patterns.
        (vectorizable_reduction): Added support for reduction patterns.
        (vect_transform_stmt): Added support for patterns.

        * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
        * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
        * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
        (expand_widen_pattern_expr): New function.
        (init_optabs): Initialize new optabs udot_prod_optab,
        sdot_prod_optab.
        * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
        (sdot_prod_optab, udot_prod_optab): Define new optabs.
        (expand_widen_pattern_expr): New function declaration.
        * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
        tree-codes.
        * tree-inline.c (estimate_num_insns_1): Added cases for new
        tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_prio): Likewise.
        (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Added case for
        DOT_PROD_EXPR.
        * tree-vect-patterns.c (widened_name_p): New function.
        (vect_recog_dot_prod_pattern): Added function implementation.
        * tree-vect-transform.c (get_initial_def_for_reduction): Added
        cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
        * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
        * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.

        * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
        * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
        * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
        (init_optabs): Initialize new optabs widen_ssum_optab,
        widen_usum_optab.
        * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
        (widen_ssum_optab, widen_usum_optab): Define new optabs.
        * tree-vect-generic.c: (expand_vector_operations_1): Check type of
        use instead of type of def.
        * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
        function implementation.
        * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
        widen_ssumv8hi): New.

        * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
        patterns.

From-SVN: r109954
2006-01-19 10:24:00 +00:00
Ben Elliston
ef7befe0d0 expr.c (emit_move_change_mode): Always adjust addresses, not just during reload.
* expr.c (emit_move_change_mode): Always adjust addresses, not
	just during reload.  Copy replacements only during reload.
	(emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
	emit_move_via_integer.

From-SVN: r109845
2006-01-18 10:43:27 +11:00
Roger Sayle
72a10effc6 expr.c (force_operand): Use expand_fix and expand_float to implement integer <-> FP conversions instead...
* expr.c (force_operand): Use expand_fix and expand_float to
	implement integer <-> FP conversions instead of convert_to_mode.

From-SVN: r109041
2005-12-24 18:35:02 +00:00
Jon Grimm
15ed7b52cb optabs.c (init_floating_libfuncs): Handle decimal float modes.
* optabs.c (init_floating_libfuncs): Handle decimal float modes.
	(init_optabs): Handle libfuncs for decimal float.
	* genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
	* stor-layout.c (int_mode_for_mode): Likewise.
	* simplify-rtx.c (simplify_immed_subreg): Likewise.
	(simplify_unary_operation_1): Skip optimisations for decimal float
	modes.
	* varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
	* emit-rtl.c (gen_const_vector): Add assertion check.
	(init_emit_once): Populate const_tiny_rtx with constants in each
	decimal float mode.
	* expmed.c (extract_high_half, expand_mult_highpart_optab,
	expand_mult_highpart): Assert that mode is not a scalar float
	mode.
	* expr.c (convert_move): Handle conversion between decimal and
	binary floats of the same size.
	* convert.c (convert_to_real): Consider decimal float types when
	folding.
	* dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
	describe decimal floating point types.

Co-Authored-By: Ben Elliston <bje@au.ibm.com>
Co-Authored-By: Janis Johnson <janis187@us.ibm.com>

From-SVN: r108762
2005-12-19 08:40:47 +11:00
Kazu Hirata
6416ae7f28 basic-block.h, [...]: Fix comment typos.
* basic-block.h, config/i386/winnt.c, config/pa/pa.c,
	config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
	reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
	tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
	* doc/invoke.texi, doc/tm.texi: Fix typos.

From-SVN: r108626
2005-12-16 06:09:31 +00:00
Jakub Jelinek
6541fe758b re PR debug/25023 (ICE in def_cfa_1, at dwarf2out.c:792)
PR debug/25023
	PR target/25293
	* expr.c (emit_move_resolve_push): Handle PRE_MODIFY
	and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
	Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
	* config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
	Set mode to SI, adjust constraints.
	(pushhi2_rex64, pushqi2_rex64): Set mode to DI.
	* config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
	32-bit code.

	* gcc.target/i386/pr25293.c: New test.

From-SVN: r108463
2005-12-13 09:08:46 +01:00
J"orn Rennecke
1fd5360d19 * expr.c (force_operand): Use convert_to_mode for conversions.
From-SVN: r108196
2005-12-07 23:49:43 +00:00
Bernd Schmidt
832942a870 expr.c (expand_expr_real_1): Fix error in last change.
* expr.c (expand_expr_real_1): Fix error in last change.

From-SVN: r107471
2005-11-24 22:06:17 +00:00
Ben Elliston
3d8bf70f59 optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of explicitly testing GET_MODE_CLASS (x) ==...
* optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
	explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
	* genopinit.c (gen_insn): Likewise.
	* reload.c (find_equiv_reg): Likewise.
	* loop.c (load_mems): Likewise.
	* rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
	* cse.c (find_comparison_args, fold_rtx): Likewise.
	* dwarf2out.c (add_const_value_attribute): Likewise.
	* expr.c (convert_move): Likewise.
	* recog.c (general_operand, register_operand): Likewise.
	* reg-stack.c (replace_reg): Likewise.
	* tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
	* c-common.c (handle_vector_size_attribute): Likewise.
	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
	(simplify_binary_operation_1): Likewise.
	(simplify_const_binary_operation): Likewise.
	(simplify_relational_operation): Likewise.
	(simplify_const_relational_operation): Likewise.
	(simplify_immed_subreg): Likewise.
	* emit-rtl.c (gen_lowpart_common): Likewise.
	* expmed.c (expand_mult): Likewise.
	* stor-layout.c (layout_type): Likewise.

From-SVN: r107322
2005-11-22 07:53:27 +11:00
Bernd Schmidt
8b44057d9b expr.c (expand_expr_real): Use usmul_optab for widening signed * unsigned multiplies.
* expr.c (expand_expr_real): Use usmul_optab for widening
	signed * unsigned multiplies.
	* genopinit.c (optabs): Add usmul_widen_optab.
	* optabs.c (init_optabs): Likewise.
	* optabs.h (enum optab_index): Add OTI_usmul_widen.
	(usmul_widen_optab): Define.
	* config/bfin/bfin.md (usmulhisi3): New pattern.

	* doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.

From-SVN: r107258
2005-11-20 18:49:18 +00:00
Richard Kenner
c48dc958ed expr.c (expand_expr_real): Don't look at EXPR_HAS_LOCATION unless ib_boundaries_block is non-null
* expr.c (expand_expr_real): Don't look at EXPR_HAS_LOCATION unless
	ib_boundaries_block is non-null

From-SVN: r107180
2005-11-18 08:22:55 -05:00
Jan Hubicka
230dedb327 expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize to compare against 0 when possible.
* expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
	to compare against 0 when possible.
	* gcc.target/i386/minmax-1.c: New.
	* gcc.target/i386/minmax-2.c: New.

From-SVN: r106827
2005-11-12 17:35:06 +00:00
Richard Henderson
1e188d1e13 re PR middle-end/23714 (ICE in expand_assignment)
PR 23714
        * builtins.c (expand_builtin_trap): Export.
        * expr.h (expand_builtin_trap): Declare.
        * expr.c (expand_assignment): Emit a trap for integral offsets
        from registers that weren't reduced to bitpos.

        * tree-cfg.c (mark_array_ref_addressable_1): Remove.
        (mark_array_ref_addressable): Remove.
        * tree-flow.h (mark_array_ref_addressable): Remove.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.

From-SVN: r105449
2005-10-15 17:07:17 -07:00
Richard Henderson
29b2d8671e expr.c (expand_expr_real_1): Allow modifier EXPAND_STACK_PARM.
* expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
        EXPAND_STACK_PARM.

From-SVN: r104463
2005-09-20 14:16:40 -07:00
Richard Henderson
652b0932d7 expr.c (emit_move_via_integer): Add force argument, pass it on to emit_move_change_mode.
* expr.c (emit_move_via_integer): Add force argument, pass it on
        to emit_move_change_mode.  Update callers.
        (emit_move_complex): Pass true to new force argument.
        * function.c (expand_function_end): Move expand_eh_return call
        earlier.  Merge sub-word complex values into a pseudo before
        copying to the return hard register.

From-SVN: r104371
2005-09-17 11:38:36 -07:00