From 7ccf35ed170c496d99d670986e96e7c1d779cee3 Mon Sep 17 00:00:00 2001 From: Dorit Naishlos Date: Thu, 23 Sep 2004 14:34:35 +0000 Subject: tree.def (ALIGN_INDIRECT_REF, [...]): New tree-codes. 2004-09-23 Dorit Naishlos * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF): New tree-codes. * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and MISALIGNED_INDIRECT_REF. * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise. * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos): Likewise. * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base) (find_interesting_uses_address): Likewise. * fold-const.c (non_lvalue, operand_equal_p): Likewise. (build_fold_addr_expr_with_type): Likewise. * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise. * print-rtl.c (print_mem_expr): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. * tree-eh.c (tree_could_trap_p): Likewise. * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise. * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise. * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise. * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise. (add_address_candidates, rewrite_address_base): Likewise. * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands): Likewise. * tree.c (staticp, build1_stat): Likewise. * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes. * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR. * tree-ssa-operands.c (get_expr_operands): Likewise. * expr.c (expand_expr_real_1): Likewise. * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New optabs. (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values for the new optabs. (expand_ternary_op): New function. * genopinit.c (optabs): Handle the new optabs. * optabs.c (optab_for_tree_code): Add cases for the new tree-codes. (init_optabs): Initialize vec_realign_load_optab. (expand_ternary_op): New functions. * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target. (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize. (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise. (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise. * target.h (struct vectorize): New member for struct gcc_target. (misaligned_mem_ok): New member for targetm.vectorize. (builtin_mask_for_load): Likewise. (builtin_mask_for_store): Likewise. * targethooks.c (default_vect_misaligned_mem_ok): New function. * targethooks.h (default_vect_misaligned_mem_ok): New function. * config/rs6000/altivec.md (build_vector_mask_for_load): New define_expand. (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi) (vec_realign_load_v16qi): New define_insn. * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD): (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins. * config/rs6000/rs6000.c (altivec_builtin_mask_for_load): (altivec_builtin_mask_for_store): New variables. (rs6000_builtin_mask_for_load): New function. Implements TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD. (rs6000_builtin_mask_for_store): New function. Implements TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE. (rs6000_expand_builtin): Expand the target builtins builtin_mask_for_load and builtin_mask_for_store. (altivec_init_builtins): Initialize the new target builtins. * config/i386/i386.c (ix86_misaligned_mem_ok): New function. Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK. * tree-vectorizer.c (vect_create_data_ref): Renamed to vect_create_data_ref_ptr. Returns a pointer instead of an array-ref. (vect_create_addr_base_for_vector_ref): Additional argument (offset). (vectorizable_store): Call vect_create_data_ref_ptr with additional arguments, and create an indirect_ref with its return value data_ref. Check aligned_access_p. (vectorizable_load): Handle misaligned loads, using software-pipelined scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if vec_realign_load_optab is supported, or using a scheme without software-pipelining with MISALIGNED_INDIRECT_REF if the target hook misaligned_mem_ok is supported. (vect_finish_stmt_generation): Typo. (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info. (vect_analyze_data_refs_alignment): Don't fail vectorization in the presence of misaligned loads. (vect_analyze_data_ref_access): Add check for constant init. (vect_get_symbl_and_dr): Remove duplicate line. * tree-vectorizer.h (DR_MISALIGNMENT): Add comment. From-SVN: r87948 --- gcc/tree-ssa-loop-im.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'gcc/tree-ssa-loop-im.c') diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index de86491..4aafc81 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -137,6 +137,8 @@ for_each_index (tree *addr_p, bool (*cbck) (tree, tree *, void *), void *data) case SSA_NAME: return cbck (*addr_p, addr_p, data); + case MISALIGNED_INDIRECT_REF: + case ALIGN_INDIRECT_REF: case INDIRECT_REF: nxt = &TREE_OPERAND (*addr_p, 0); return cbck (*addr_p, nxt, data); @@ -1101,7 +1103,9 @@ is_call_clobbered_ref (tree ref) if (DECL_P (base)) return is_call_clobbered (base); - if (TREE_CODE (base) == INDIRECT_REF) + if (TREE_CODE (base) == INDIRECT_REF + || TREE_CODE (base) == ALIGN_INDIRECT_REF + || TREE_CODE (base) == MISALIGNED_INDIRECT_REF) { /* Check whether the alias tags associated with the pointer are call clobbered. */ -- cgit v1.1