Commit Graph

443 Commits

Author SHA1 Message Date
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
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
Eric Christopher
167fa32c09 extend.texi (__builtin_bswap32): Document.
2006-09-07  Eric Christopher  <echristo@apple.com>
	    Falk Hueffner  <falk@debian.org>

	* doc/extend.texi (__builtin_bswap32): Document.
	(__builtin_bswap64): Ditto.
	* doc/libgcc.texi (bswapsi2): Document.
	(bswapdi2): Ditto.
	* doc/rtl.texi (bswap): Document.
	* optabs.c (expand_unop): Don't widen a bswap.
	(init_optabs): Init bswap. Set libfuncs explicitly
	for bswapsi2 and bswapdi2.
	* optabs.h (OTI_bswap): New.
	(bswap_optab): Ditto.
	* genopinit.c (optabs): Handle bswap_optab.
	* tree.h (tree_index): Add TI_UINT32_TYPE and
	TI_UINT64_TYPE.
	(uint32_type_node): New.
	(uint64_type_node): Ditto.
	* tree.c (build_common_tree_nodes_2): Initialize
	uint32_type_node and uint64_type_node.
	* builtins.c (expand_builtin_bswap): New.
	(expand_builtin): Call.
	(fold_builtin_bswap): New.
	(fold_builtin_1): Call.
	* fold-const.c (tree_expr_nonnegative_p): Return true
	for bswap.
	* builtin-types.def (BT_UINT32): New.
	(BT_UINT64): Ditto.
	(BT_FN_UINT32_UINT32): Ditto.
	(BT_FN_UINT64_UINT64): Ditto.
	* builtins.def (BUILT_IN_BSWAP32): New.
	(BUILT_IN_BSWAP64): Ditto.
	* rtl.def (BSWAP): New.
	* genattrtab.c (check_attr_value): New.
	* libgcc2.c (__bswapSI2): New.
	(__bswapDI2): Ditto.
	* libgcc2.h (__bswapSI2): Declare.
	(__bswapDI2): Ditto.
	* mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
	* simplify-rtx.c (simplify_const_unary_operation): Return
	0 for BSWAP.
	* libgcc-std.ver (__bwapsi2): Add.
	(__bswapdi2): Ditto.
	* reload1.c (eliminate_regs_1): Add bswap.
	(elimination_effects): Ditto.
	* config/i386/i386.h (x86_bswap): New.
	(TARGET_BSWAP): Use.
	* config/i386/i386.c (x86_bswap): Set.

Co-Authored-By: Falk Hueffner <falk@debian.org>

From-SVN: r118361
2006-11-01 05:14:40 +00:00
Richard Guenther
c3a4177fe1 genopinit.c (optabs): Change lfloor_optab and lceil_optab to conversion optabs.
2006-10-29  Richard Guenther  <rguenther@suse.de>

	* genopinit.c (optabs): Change lfloor_optab and lceil_optab
	to conversion optabs.
	* optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
	as conversion optab.
	* optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
	(enum convert_optab_index): Add COI_lfloor and COI_lceil.
	(lfloor_optab, lceil_optab): Adjust defines.
	* builtins.c (expand_builtin_int_roundingfn): Adjust for
	lfloor and lceil optabs now being conversion optabs.
	* config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
	* config/i386/i386.c (ix86_expand_sse_compare_and_jump):
	New static helper function.
	(ix86_expand_lfloorceil): New function to expand lfloor and
	lceil inline.
	* config/i386/i386.md (lfloor<mode>2): Split into ...
	(lfloorxf<mode>2): ... x87 variant
	(lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
	using ix86_expand_lfloorceil.
	(lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
	Likewise.
	* doc/md.texi (lfloorMN, lceilMN): Document.

	* gcc.target/i386/math-torture/lfloor.c: New testcase.
	* gcc.target/i386/math-torture/lceil.c: Likewise.

From-SVN: r118143
2006-10-29 15:18:24 +00:00
Richard Guenther
4d81bf8435 re PR target/28806 (lround is not expanded inline to SSE conversion sequence)
2006-10-28  Richard Guenther  <rguenther@suse.de>

	PR target/28806
	* builtins.c (expand_builtin_int_roundingfn_2): Expand
	BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
	(expand_builtin): Adjust likewise.
	* genopinit.c (optabs[]): Add lround optab.
	* optabs.c (init_optabs): Initialize lround_optab.
	* optabs.h (enum convert_optab_index): Add COI_lround.
	(lround_optab): Define.
	* config/i386/i386-protos.h (ix86_expand_lround): Declare.
	* config/i386/i386.c (ix86_sse_copysign_to_positive): New
	static function.
	(ix86_expand_lround): New function.
	* config/i386/i386.md (lround<mode>di2, lround<mode>si2):
	New expanders.
	* doc/md.texi (lroundMN2): Document.

	* gcc.target/i386/math-torture/lround.c: New testcase.

From-SVN: r118105
2006-10-28 11:30:41 +00:00
Richard Guenther
bb7f04236c optabs.h (enum optab_index): Remove OTI_lrint.
2006-10-25  Richard Guenther  <rguenther@suse.de>

	* optabs.h (enum optab_index): Remove OTI_lrint.
	(enum convert_optab_index): Add COI_lrint.
	(lrint_optab): Adjust.
	(expand_sfix_optab): Declare.
	* optabs.c (expand_sfix_optab): New function.
	(init_optabs): Init lrint_optab as conversion optab.
	* genopinit.c (lrint_optab): Change to a conversion optab.
	* builtins.c (expand_builtin_int_roundingfn_2): Adjust to
	expansion via conversion optab.
	* config/i386/i386.md (*fistdi2_1): Remove
	flag_unsafe_math_optimizations guard.
	(fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
	fist<mode>2_with_temp): Likewise.
	(lrint<mode>2): Split into...
	(lrintxf<mode>2): ... x87 part
	(lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
	* config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
	sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
	UNSPEC_FIX_NOTRUNC matching non-vector float modes.
	* doc/md.texi (lrintMN2): Document.

From-SVN: r118029
2006-10-25 13:01:14 +00:00
Uros Bizjak
17b982699f optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
* optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
        (remainder_optab): Define corresponding macro.
        (drem_optab): Remove.
        * optabs.c (init_optabs): Initialize remainder_optab.  Remove
        drem_optab initialization.
        * genopinit.c (optabs): Implement remainder_optab using
        remainder?f3 patterns.  Remove drem_optab.
        * builtins.c (expand_builtin_mathfn_2): Handle
        BUILT_IN_REMAINDER{,F,L} using remainder_optab.
        (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
        expand_builtin_mathfn_2.

        (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
        depend on flag_unsafe_math_optimizations.

        * config/i386/i386.md ("remaindersf3", "remainderdf3")
        ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
        Do not depend on flag_unsafe_math_optimizations.  Use
        truncxf?f expander instead of truncxf?f_i387_noop.

        ("fpremxf4", "fprem1xf4"): Do not depend on
        flag_unsafe_math_optimizations.
        ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
        flag_unsafe_math_optimizations.  Use truncxf?f expander
        instead of truncxf?f_i387_noop.

        * doc/md.texi (fmod, remainder): Document standard named pattern.

testsuite/ChangeLog:

        * gcc.dg/builtins-40.c: Also check remainder(), remainderf()
        and remainderl() built-in functions.  Remove -ffast-math from
        dg-options.

From-SVN: r118024
2006-10-25 08:36:49 +02:00
Richard Sandiford
2763a67eff re PR middle-end/28403 (Missed argument pop after doubleword shift)
gcc/
	PR middle-end/28403
	* optabs.c (expand_doubleword_shift): Wrap the call to
	do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.

gcc/testsuite/
	PR middle-end/28403
	* gcc.c-torture/execute/pr28403.c: New test.

From-SVN: r115525
2006-07-17 15:31:12 +00:00
Richard Sandiford
f8bdb931a9 re PR middle-end/28402 (Doubleword shifts implemented using word_mode libcalls)
gcc/
	PR middle-end/28402
	* optabs.c (expand_binop): Pass next_methods rather than methods
	to expand_doubleword_shift.

gcc/testsuite/
	PR middle-end/28402
	* gcc.dg/pr28402.c: New test.

From-SVN: r115524
2006-07-17 15:29:19 +00:00
Eric Botcazou
3e27aa84ef optabs.c (maybe_encapsulate_block): New function extracted from...
* optabs.c (maybe_encapsulate_block): New function extracted from...
	(emit_libcall_block): ...here.  Invoke it on the block of insns to
	maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
	(emit_no_conflict_block): Likewise.

From-SVN: r115498
2006-07-16 14:31:05 +00:00
Kazu Hirata
6fc0bb99a7 cfgcleanup.c, [...]: Fix comment typos.
* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
	config/fr30/fr30.md, config/i386/i386-interix.h,
	config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
	config/sh/superh64.h, config/v850/v850.c, df-core.c,
	df-problems.c, df.h, except.c, final.c, haifa-sched.c,
	lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
	reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
	Follow spelling conventions.
	* doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
	Follow spelling conventions.

From-SVN: r114168
2006-05-28 17:46:46 +00:00
Kazu Hirata
917f1b7ea3 builtins.c, [...]: Fix comment typos.
* builtins.c, config/arm/arm.c, config/i386/cygwin.h,
	config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
	config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
	haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
	sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
	tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
	tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
	spelling convensions.
	* config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
	doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
	typos.  Follow spelling conventions.

From-SVN: r112782
2006-04-08 17:01:17 +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
Carlos O'Donell
f34312c23c optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias the comparison routine return.
gcc/

2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>

	* optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
	the comparison routine return.

gcc/testsuite/

2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>

	* gcc.dg/unsigned-long-compare.c: New test.

From-SVN: r110409
2006-01-30 19:58:57 +00:00
Richard Sandiford
929e5e5b5d rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new opaque type.
* doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
	opaque type.
	* optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
	* varasm.c (make_decl_rtl, build_constant_desc): Likewise.
	(force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
	* rtl.h (rtunion_def): Remove rt_ptr.
	(X0PTR): Delete.
	(SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
	(SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
	* config/i386/winnt.c (i386_pe_mark_dllexport)
	(i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.

From-SVN: r110300
2006-01-27 16:17:39 +00:00
Richard Sandiford
c185c79706 rtl.texi (SYMBOL_REF_CONSTANT, [...]): Document.
* doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
	* gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
	a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
	depending on the value of CONSTANT_POOL_ADDRESS_P.
	* optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
	SYMBOL_REF_DECL.
	* varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	(rtx_constant_pool): Remove const_rtx_sym_htab.
	(const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
	(init_varasm_status): Don't initialize const_rtx_sym_htab.
	(force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
	Remove handling of const_rtx_sym_htab.
	(find_pool_constant): Delete.
	(get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
	rather than find_pool_constant.
	(get_pool_constant_for_function): Delete.
	(get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
	find_pool_constant. 
	* rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
	(X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
	(SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
	(SYMBOL_REF_CONSTANT): New macro.
	(get_pool_constant_for_function): Delete.
	* config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	(i386_pe_mark_dllimport): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	* config/darwin.c (machopic_indirect_data_reference): Likewise.
	(machopic_indirect_call_target): Likewise.

From-SVN: r110210
2006-01-25 09:10:56 +00:00
Zdenek Dvorak
03fd221518 loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
	(enum iv_grd_result): New enum.
	(DF_REF_IV, DF_REF_IV_SET): New macros.
	(struct biv_entry): New.
	(df, bivs): New global variables.
	(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
	assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
	Removed.
	(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
	iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
	analyzed_for_bivness_p, record_biv): New functions.
	(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
	get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
	iv_analyze, biv_p, iv_analysis_done): Work with df representation of
	UD chains.
	(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
	analysed.
	(iv_number_of_iterations): Use new interface to iv analysis.
	* loop-unroll.c: Do not include varray.h.
	(analyze_iv_to_split_insn): Use new interface to iv
	analysis.
	* loop-unswitch.c (may_unswitch_on): Ditto.
	* df.c (df_bitmaps_free): Only work for bbs for that structures are
	allocated.
	(df_bb_modify): Realloc tables to the new index.
	(df_find_use): New function.
	* df.h (df_find_use): Declare.
	* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
	outmode.
	* cfgloop.h (struct rtx_iv): Remove analysed field.
	(iv_get_reaching_def): Removed.
	(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
	* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
	(loop-iv.o): Add df.h and hashtab.h dependency.
	* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.

From-SVN: r110005
2006-01-20 00:46:37 +00:00
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
Ian Lance Taylor
bc3839706c - Fix up date in ChangeLog. Update copyrights in changed files.
Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r109475
2006-01-08 15:52:57 -05:00
Ian Lance Taylor
68162a9766 re PR target/25662 (Unrecognizable insn with -O on PPC)
2005-01-07  Ian Lance Taylor  <ian@airs.com>
            David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/25662
        * optabs.c (simplify_expand_binop): Use simplify_binary_operation
        for constant operands instead of simplify_gen_binary.
        * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
        after trying simplify_binary_operation

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r109456
2006-01-07 17:23:27 -05:00
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
Steven Bosscher
ebd8b60da1 re PR rtl-optimization/23837 (Wrong code with REG_NO_CONFLICT notes (caused by combine))
PR rtl-optimization/23837
	* optabs.c (expand_binop): For a multi-word rotate, never emit
	a REG_NO_CONFLICT block.

From-SVN: r108690
2005-12-16 22:19:09 +00:00
Richard Henderson
6cc5062afa * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
From-SVN: r107834
2005-12-01 14:49:31 -08:00
J"orn Rennecke
8a99f6f92f re PR target/21623 (ICE in reload_cse_simplify_operands, at postreload.c:391)
PR target/21623:

	* regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
	SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
	(init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
	(memory_move_secondary_cost, init_reg_autoinc): Remove
	SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
	Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
	secondary_reload_class call.
	(copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
	callers.
	* reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
	(push_secondary_reload): Use secondary_reload target hook.
	(secondary_reload_class, scratch_reload_class): New functions.
	(push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
	SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
	SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
	* reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
	(secondary_reload_class, scratch_reload_class): Declare.
	* reload1.c: Include target.h.
	(reload_adjust_reg_for_temp): New function.
	(reload_adjust_reg_for_icode): Likewise.
	(choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
	Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
	call.
	(emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
	for inheritance.  Support case when both secondary & tertiary reloads
	are for intermediate registers.
	(emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
        with secondary_reload_class call.  Support case when both secondary
	& tertiary reloads are for intermediate registers.
	* target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
	(TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
	* target.h (secondary_reload_info): New struct / typedef.
	(struct gcc_target): New member secondary_reload.
	* targhooks.c Include reload.h, optabs.h and recog.h.
	(default_secondary_reload): New function.
	* targhooks.h (default_secondary_reload): Declare.
	* doc/tm.texi: Document secondary_reload target hook.  Update
	description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
	* doc/md.texi: Likewise.

	* sh-protos.h (sh_secondary_reload): Declare.
	* sh.c (TARGET_SECONDARY_RELOAD): Override.
	(sh_secondary_reload): New function.
	* sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
	(SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
	(SECONDARY_INPUT_RELOAD_CLASS): Likewise.
	(HAVE_SECONDARY_RELOADS): Define.
	* sh.md (reload_indf): Rename to:
	(reload_indf__frn).
	(reload_outdf): Rename to:
	(reload_outdf__RnFRm).
	(reload_insf): Rename to:
	(reload_insf__frn).
	(reload_insi): Rename to:
	(reload_insi__i_fpul).

From-SVN: r107468
2005-11-24 18:55:53 +00:00
Paolo Bonzini
665d18c654 optabs.c (expand_binop): Use swap_commutative_operands_with_target to order operands.
2005-11-24  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
	to order operands.
	(swap_commutative_operands_with_target): New.

From-SVN: r107457
2005-11-24 09:48:43 +00:00
Ben Elliston
86556d87a3 machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
* machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
	* optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
	formatting.
	(expand_twoval_unop): Likewise.
	(widen_clz): Likewise.
	(expand_parity): Likewise.
	(expand_unop): Likewise.
	(emit_cmp_and_jmp_insn_1): Likewise.
	(prepare_float_lib_cmp): Likewise.

From-SVN: r107450
2005-11-24 13:50:02 +11:00
Ben Elliston
94044657e9 optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
* optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
	Remove unused `class' variable.

From-SVN: r107449
2005-11-24 13:31:38 +11:00
Ian Lance Taylor
74b146981c optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not a mode_class.
* optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
	a mode_class.
	(prepare_cmp_insn): Likewise.

From-SVN: r107375
2005-11-22 21:25:52 +00:00
Ben Elliston
ebb109add8 optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing GET_MODE_CLASS (x) ==...
* optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
	GET_MODE_CLASS (x) == MODE_FLOAT.
	* config/i386/i386.c: Likewise.
	* config/rs6000/xcoff.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/rs6000/predicates.md: Likewise.
	* config/rs6000/sysv4.h: Likewise.

From-SVN: r107348
2005-11-22 16:19:29 +11:00
Joseph Myers
d773588022 fp-bit.c (clzusi): New function.
* config/fp-bit.c (clzusi): New function.
	(si_to_float, usi_to_float): Use it to compute proper shift.
	(usi_to_float): Preserve guard bits when shifting right.
	* libgcc-std.ver (GCC_4.2.0): New version.
	* libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
	__floatundisf): New functions.
	* libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
	__floatundisf): Declare.
	* mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
	_floatundixf, and _floatunditf.
	* optabs.c (expand_float): If target does not define a pattern for
	signed or unsigned conversion, use an unsigned libcall instead of
	a signed one.
	(init_optabs): Initialize ufloat_optab.

testsuite:
	* gcc.c-torture/execute/floatunsisf-1.c: New test.

From-SVN: r107345
2005-11-22 00:38:30 +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
J"orn Rennecke
cd7ec127de optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2005-10-31  J"orn Rennecke <joern.rennecke@st.com>

	* optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.

From-SVN: r106271
2005-10-31 13:30:14 +00:00
Mark Mitchell
93b47b19c5 * optabs.c (expand_binop): Initialize first_pass_p.
From-SVN: r104798
2005-09-29 21:50:55 +00:00
Paolo Bonzini
be1ea09b13 Revert this patch:
2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
	to order operands.
	(swap_commutative_operands_with_target): New.

From-SVN: r104775
2005-09-29 14:57:23 +00:00
Mark Mitchell
0f8594eee9 re PR middle-end/17886 (variable rotate and unsigned long long rotate should be better optimized)
PR 17886
	* expmed.c (expand_shift): Move logic to reverse rotation
	direction when 	rotating by constants ...
	* optabs.c (expand_binop): ... here.
	* config/i386/i386.md (rotrdi3): Handle 32-bit mode.
	(ix86_rotrdi3): New pattern.
	(rotldi3): Handle 32-bit mode.
	(ix86_rotldi3): New pattern.

From-SVN: r104761
2005-09-29 03:31:23 +00:00
J"orn Rennecke
ca7a5aec06 optabs.c (no_conflict_move_test): Check if a result of a to-be-moved insn would be clobbered by an originally...
* optabs.c (no_conflict_move_test): Check if a result of a
	to-be-moved insn would be clobbered by an originally
	preceding insn.

From-SVN: r104709
2005-09-27 22:09:28 +01:00
J"orn Rennecke
748ebfc7f9 optabs.c (emit_libcall_block): Use no_conflict_move_test.
* optabs.c (emit_libcall_block): Use no_conflict_move_test.
	(no_conflict_move_test): Update comments.

From-SVN: r104563
2005-09-23 13:13:07 +01:00
J"orn Rennecke
9617ccfdc4 re PR rtl-optimization/23837 (Wrong code with REG_NO_CONFLICT notes (caused by combine))
PR rtl-optimization/23837
	*  optabs.c (no_conflict_move_test): Don't set must_stay for a
	clobber / clobber match between dest and p->first.

From-SVN: r104562
2005-09-23 13:05:56 +01:00
Paolo Bonzini
9026e8d4d5 optabs.c (expand_binop): Use swap_commutative_operands_with_target to order operands.
2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
	to order operands.
	(swap_commutative_operands_with_target): New.

From-SVN: r104324
2005-09-15 21:51:13 +00:00
Eric Christopher
c414ac1d70 optabs.h: Change CTI_ to COI_.
2005-08-19  Eric Christopher  <echristo@apple.com>

        * optabs.h: Change CTI_ to COI_.
        * optabs.c: Ditto.

From-SVN: r103295
2005-08-19 21:20:02 +00:00
J"orn Rennecke
28f52a4d8e re PR middle-end/20396 (TRULY_NOOP_TRUNCATION ignored)
2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
            Richard Shann <rshann@superh.com>

	PR middle-end/20396:
	* optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.

Co-Authored-By: Richard Shann <rshann@superh.com>

From-SVN: r103153
2005-08-16 12:57:07 +01:00
Jan Hubicka
3bc751bdfe expr.c (expand_expr_real_1): Do not load mem targets into register.
* expr.c (expand_expr_real_1): Do not load mem targets into register.
	* i386.c (ix86_fixup_binary_operands): Likewise.
	(ix86_expand_unary_operator): Likewise.
	(ix86_expand_fp_absneg_operator): Likewise.
	* optabs.c (expand_vec_cond_expr): Validate dest.

From-SVN: r102570
2005-07-29 22:22:41 +00:00
Adrian Straetling
40c1d5f854 builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp): s/cmpstrsi/cmpstrnsi
2005-07-12  Adrian Straetling  <straetling@de.ibm.com>

	* builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
	s/cmpstrsi/cmpstrnsi
	(expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
	'cmpstrnsi'.
	* optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
	(init_optabs): Initialize cmpstrn_optab.
	* optabs.h: (enum insn_code cmpstrn_optab): Declare.
	* genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
	* expr.c: (enum insn_code cmpstrn_optab): Declare.
	* config/i386/i386.md: s/cmpstr/cmpstrn
	* config/c4x/c4x.md: s/cmpstr/cmpstrn
	* doc/md.texi: Update documentation.

From-SVN: r101916
2005-07-12 09:20:21 +00:00
Fariborz Jahanian
1d8eeb6305 Removal of -fforce-mem.
OKed by Richard Henderson.

From-SVN: r101666
2005-07-06 21:08:02 +00:00
Adrian Straetling
57e84f1840 builtins.c: (expand_builtin_memset): Rewrite to support 'set_storage_via_setmem'.
2006-06-28  Adrian Straetling  <straetling@de.ibm.com>

	* builtins.c: (expand_builtin_memset): Rewrite to support
	'set_storage_via_setmem'.
	* expr.c: (enum insn_code setmem_optab): Define.
	(enum insn_code clrmem_optab): Remove.
	(set_storage_via_setmem): New function.
	(clear_storage_via_setmem): Remove.
	(clear_storage): Replace call to "clear_storage_via_clrmem" with
	"set_storage_via_setmem".
	* expr.h: (set_storage_via_setmem): Declare.
	(CLEAR_RATIO): Redefine using HAVE_setmemM.
	* optabs.h: (enum insn_code setmem_optab): Declare.
	(enum insn_code clrmem_optab): Remove.
	* optabs.c: (init_optabs): Initialize setmem_optab.
	(enum insn_code clrmem_optab): Remove.
	* genopinit.c: (otabs): Likewise.
	* doc/md.texi: Document new standard pattern 'setmem'. Remove
	  'clrmem'.
	* config/alpha/alpha.c: (alpha_expand_block_clear): Adjust
	'operands' ordering.
	* config/frv/frv.c: (frv_expand_block_clear): Likewise.
	* config/rs6000/rs6000.c: (expand_block_clear): Likewise.
	* config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM".
	FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering.
	* config/avr/avr.md: ("clrmemhi"): Likewise.
	* config/frv/frv.md: ("clrmemsi"): Likewise.
	* config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise.
	* config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise.
	* config/rs6000/rs6000.md: ("clrmemsi"): Likewise.
	* config/s390/s390.md: ("clrmem<mode>"): Likewise.

From-SVN: r101386
2005-06-28 19:56:23 +00:00
Paul Brook
617a1b7144 Makefile.in: Set and use UNWIND_H.
2005-06-28  Paul Brook  <paul@codesourcery.com>

gcc/
	* Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
	* c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
	* except.c (add_ehspec_entry): Generate arm eabi filter lists.
	(assign_filter_values): Ditto.
	(output_ttype): New function.
	(output_function_exception_table): Use output_ttype.  Generate arm
	eabi filter lists.
	(default_init_unwind_resume_libfunc): New function.
	* except.h (default_init_unwind_resume_libfunc): Add prototype.
	* optabs.c (init_optabs): Don't set unwind_resume_libfunc.
	* opts.c (decode_options): Use targetm.unwind_tables_default.
	* target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
	(TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
	* target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
	and arm_eabi_unwinder.
	* unwind-c.c: Support Arm EABI unwinder.
	* unwind.h: Rename ...
	* unwind-generic.h: ... To this.
	* doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
	(TARGET_UNWID_TABLES_DEFAULT): Document.

	* config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
	* config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
	(TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
	Define.
	(thumb_pushpop, thumb_output_function_prologue): Output unwinding
	directives.
	(arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
	* config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
	!TARGET_UNWIND_INFO.
	(ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
	* config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
	* config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
	ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
	* config/arm/lib1funcs.asm: Include libunwind.S.
	* config/arm/libgcc-bpabi.ver: Add unwinding routines.
	* config/arm/libunwind.S: New file.
	* config/arm/pr-support.c: New file.
	* config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
	(UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
	* config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
	* config/arm/unwind-arm.c: New file.
	* config/arm/unwind-arm.h: New file.
	* config/i386/t-netware (USER_H): Remove unwind.h.
	* config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.

gcc/cp/
	* Make-lang.in (cp/except.o): Depend on $(TARGET_H)
	* except.c: Include target.h.
	(init_exception_processing): Initialize unwind_resume_libfunc.
	* doc/tm.texi: Document TARGET_ASM_TTYPE
gcc/ada/
	* misc.c (gnat_init_gcc_eh): Call default_init_unwind_resume_libfunc.
gcc/java/
	* decl.c (java_init_decl_processing): Call
	default_init_unwind_resume_libfunc.
gcc/objc/
	* objc-act.c (objc_init_exceptions): Call
	default_init_unwind_resume_libfunc.
libstdc++/
	* acinclude.m4 (GLIBCXX_ENABLE_SJLJ_EXCEPTIONS): Check for
	__cxa_end_cleanup.
	* libsupc++/Makefile.am (sources): Add eh_call.c and eh_arm.c.
	* libsupc++/eh_arm.cc: New file.
	* libsupc++/eh_call.cc: New file.
	* libsupc++/eh_catch.cc (__cxa_get_exception_ptr): Use
	__gxx_caught_object.
	(__cxa_begin_catch): Ditto. Use __is_gxx_exception_class. Call
	_Unwind_Complete when using the ARM EABI.
	(__cxa_end_catch): Use __is_gxx_exception_class.
	* libsupc++/eh_personality.cc: Define NO_SIZE_OF_ENCODED_VALUE when
	using the ARM EABI.
	(save_caught_exception, restore_caught_exception): New functions.
	(_throw_typet): New typedef.
	(get_ttype_entry, get_adjusted_ptr, check_exception_spec): Add ARM
	EABI implementations.
	(PERSONALITY_FUNCTION): Use new functions.  Addd support for ARM EABI
	unwinding libary.
	(__cxa_unexpected): Disable when using the ARM EABI.
	* libsupc++/eh_throw.cc (__cxa_throw): Use __GXX_INIT_EXCEPTION_CLASS.
	(__cxa_rethrow): Use __is_gxx_exception_class.  Call
	_Unwind_RaiseException when using the ARM EABI.
	* libsupc++/unwind-cxx.h (struct __cxa_exception): Add fields for ARM
	EABI semantics.
	(struct __cxa_eh_globals): Ditto.
	(__cxa_call_terminate): Add prototype.
	(__cxa_type_match, __cxa_begin_cleanup, __cxa_end_cleanup): Add
	prototypes.
	(__get_exception_header_from_obj, __get_exception_header_from_ue):
	Move earlier in file.
	(__is_gxx_exception_class, __GXX_INIT_EXCEPTION_CLASS,
	__gxx_caught_object): New functions.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* libmath/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* src/Makefie.in: Regenerate.
	* testsuite/makefile.in: Regenerate.

From-SVN: r101385
2005-06-28 19:52:27 +00:00
Kelley Cook
366ccddb2b Update FSF address.
From-SVN: r101317
2005-06-25 02:02:01 +00:00
Dorit Nuzman
a6b46ba2c8 genopinit.c (vec_shl_optab, [...]): Initialize new optabs.
* genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.
        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
        * optabs.c (optab_for_tree_code): Return reduc_splus_optab or
        reduc_uplus_optab instead of reduc_plus_optab.
        (expand_vec_shift_expr): New function.
        (init_optabs): Initialize new optabs. Remove initialization of
        reduc_plus_optab.
        (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
        for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
        * optabs.h (OTI_reduc_plus): Removed. Replaced with...
        (OTI_reduc_splus, OTI_reduc_uplus): New.
        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): New optabs.
        (vec_shl_optab, vec_shr_optab): New optabs.
        (expand_vec_shift_expr): New function declaration.

        * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
        * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
        * expr.c (expand_expr_real_1): Handle new tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
        * tree-vect-generic.c (expand_vector_operations_1): Add assert.

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
        alternatives for generating reduction epilog code.
        (vectorizable_reduction): Don't fail of direct reduction support is
        not available.
        (vectorizable_target_reduction_pattern): Likewise.

        * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
        reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
        reduc_plus_v4si, reduc_plus_v4sf): Removed.
        (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
        reduc_splus_<mode>, reduc_uplus_v16qi): New.

From-SVN: r101231
2005-06-21 09:02:00 +00:00
Dorit Nuzman
61d3cdbb12 tree.def (REDUC_MAX_EXPR, [...]): New tree-codes.
* tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New
        tree-codes.
        * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin,
        OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction.
        (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
        reduc_plus_optab): New optabs for reduction.
        * expr.c (expand_expr_real_1): Handle new tree-codes.
        * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle
        new tree-codes.
        * optabs.c (optab_for_tree_code): Handle new tree-codes.
        (init_optabs): Initialize new optabs.
        * genopinit.c (optabs): Define handlers for new optabs.

        * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in
        case of a phi that is marked as relevant. Call vectorizable_reduction.
        (vect_mark_relevant): Phis may be marked as relevant.
        (vect_mark_stmts_to_be_vectorized): The use corresponding to the
        reduction variable in a reduction stmt does not mark its defining phi
        as relevant. Update documentation accordingly.
        (vect_can_advance_ivs_p): Skip reduction phis.
        * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes
        additional argument. Handle reduction.
        (vect_create_destination_var): Update call to vect_get_new_vect_var.
        Handle non-vector argument.
        (get_initial_def_for_reduction): New function.
        (vect_create_epilog_for_reduction): New function.
        (vectorizable_reduction): New function.
        (vect_get_new_vect_var): Handle new vect_var_kind.
        (vectorizable_assignment, vectorizable_operation, vectorizable_store,
        vectorizable_condition): Update call to vect_get_new_vect_var.
        (vect_transform_stmt): Call vectorizable_reduction.
        (vect_update_ivs_after_vectorizer): Skip reduction phis.
        (vect_transform_loop): Skip if stmt is both not relevant and not live.
        * tree-vectorizer.c (reduction_code_for_scalar_code): New function.
        (vect_is_simple_reduction): Was empty - added implementation.
        * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value.
        (reduc_vec_info_type): New enum vect_def_type value.
        * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
        reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf,
        reduc_plus_v4si, reduc_plus_v4sf): New define_expands.

        * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove
        ENABLE_CHECKING around gcc_assert.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
        (vect_do_peeling_for_alignment, vect_transform_loop,
        vect_get_vec_def_for_operand): Likewise.

From-SVN: r101155
2005-06-18 13:18:52 +00:00