------- Comment #13 from uros at gcc dot gnu dot org 2007-05-17 07:31 ------- Subject: Bug 24659
Author: uros Date: Thu May 17 06:31:05 2007 New Revision: 124784 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124784 Log: PR tree-optimization/24659 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi, OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi, OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and OTI_vec_pack_ufix_trunc. (vec_unpacks_float_hi_optab): Define new macro. (vec_unpacks_float_lo_optab): Ditto. (vec_unpacku_float_hi_optab): Ditto. (vec_unpacku_float_lo_optab): Ditto. (vec_pack_sfix_trunc_optab): Ditto. (vec_pack_ufix_trunc_optab): Ditto. * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab and vec_pack_[s|u]fix_trunc_optab using vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns * tree-vectorizer.c (supportable_widening_operation): Handle FLOAT_EXPR and CONVERT_EXPR. Update comment. (supportable_narrowing_operation): New function. * tree-vectorizer.h (supportable_narrowing_operation): Prototype. * tree-vect-transform.c (vectorizable_conversion): Handle (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases. (vect_gen_widened_results_half): Move before vectorizable_conversion. (vectorizable_type_demotion): Call supportable_narrowing_operation() to check for target support. * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab for VEC_PACK_FIX_TRUNC_EXPR. (expand_binop): Special case mode of the result for vec_pack_[u|s]fix_trunc_optab. (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and vec_pack_[u|s]fix_trunc_optab. * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR, VEC_PACK_FIX_TRUNC_EXPR): New tree codes. * tree-pretty-print.c (dump_generic_node): Handle VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and VEC_PACK_FIX_TRUNC_EXPR. (op_prio): Ditto. * expr.c (expand_expr_real_1): Ditto. * tree-inline.c (estimate_num_insns_1): Ditto. * tree-vect-generic.c (expand_vector_operations_1): Ditto. * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander. (vec_unpacks_float_lo_v8hi): Ditto. (vec_unpacku_float_hi_v8hi): Ditto. (vec_unpacku_float_lo_v8hi): Ditto. (vec_unpacks_float_hi_v4si): Ditto. (vec_unpacks_float_lo_v4si): Ditto. (vec_pack_sfix_trunc_v2df): Ditto. * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]: Document. [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto. [VEC_PACK_FIX_TRUNC_EXPR]: Ditto. * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document. [vec_pack_ufix_trunc]: Ditto. [vec_unpacks_float_hi]: Ditto. [vec_unpacks_float_lo]: Ditto. [vec_unpacku_float_hi]: Ditto. [vec_unpacku_float_lo]: Ditto. testsuite/ChangeLog: PR tree-optimization/24659 * gcc.dg/vect/vect-floatint-conversion-2.c: New test. * gcc.dg/vect/vect-intfloat-conversion-1.c: Require vect_float, not vect_int target. * gcc.dg/vect/vect-intfloat-conversion-2.c: Require vect_float, not vect_int target. Loop is vectorized for vect_intfloat_cvt targets. * gcc.dg/vect/vect-intfloat-conversion-3.c: New test. * gcc.dg/vect/vect-intfloat-conversion-4a.c: New test. * gcc.dg/vect/vect-intfloat-conversion-4b.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/vect-floatint-conversion-2.c trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-3.c trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-4a.c trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-4b.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/sse.md trunk/gcc/doc/c-tree.texi trunk/gcc/doc/md.texi trunk/gcc/expr.c trunk/gcc/genopinit.c trunk/gcc/optabs.c trunk/gcc/optabs.h trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-1.c trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-2.c trunk/gcc/tree-inline.c trunk/gcc/tree-pretty-print.c trunk/gcc/tree-vect-generic.c trunk/gcc/tree-vect-transform.c trunk/gcc/tree-vectorizer.c trunk/gcc/tree-vectorizer.h trunk/gcc/tree.def -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24659
