X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode.c;h=3383f3883cee69c86360cbac49986423f3c6e093;hb=4764ebb82834c3370640980c9299f0dbb1ac598d;hp=a7832e9a95fb690fd44d4bcaf3f4e32a1db39b72;hpb=a1e2b86496a7cdf017f6d5a1d9dd49b54a545b60;p=libfirm diff --git a/ir/be/benode.c b/ir/be/benode.c index a7832e9a9..3383f3883 100644 --- a/ir/be/benode.c +++ b/ir/be/benode.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -27,9 +27,7 @@ * Backend node support for generic backend nodes. * This file provides Perm, Copy, Spill and Reload nodes. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include @@ -39,9 +37,10 @@ #include "util.h" #include "debug.h" #include "fourcc.h" -#include "offset.h" #include "bitfiddle.h" #include "raw_bitset.h" +#include "error.h" +#include "array_t.h" #include "irop_t.h" #include "irmode_t.h" @@ -53,64 +52,59 @@ #include "be_t.h" #include "belive_t.h" -#include "besched_t.h" -#include "benode_t.h" +#include "besched.h" +#include "benode.h" +#include "bearch.h" #include "beirgmod.h" -#define OUT_POS(x) (-((x) + 1)) - -/* Sometimes we want to put const nodes into get_irn_generic_attr ... */ -#define get_irn_attr(irn) get_irn_generic_attr((ir_node *) (irn)) - -static unsigned be_node_tag = FOURCC('B', 'E', 'N', 'O'); - -typedef struct { - arch_register_req_t req; - arch_irn_flags_t flags; -} be_req_t; +#define get_irn_attr(irn) get_irn_generic_attr(irn) +#define get_irn_attr_const(irn) get_irn_generic_attr_const(irn) typedef struct { - const arch_register_t *reg; - be_req_t req; - be_req_t in_req; + const arch_register_req_t *in_req; } be_reg_data_t; /** The generic be nodes attribute type. */ typedef struct { - be_reg_data_t *reg_data; + be_reg_data_t *reg_data; } be_node_attr_t; /** The be_Return nodes attribute type. */ typedef struct { - be_node_attr_t node_attr; + be_node_attr_t node_attr; /**< base attributes of every be node. */ int num_ret_vals; /**< number of return values */ + unsigned pop; /**< number of bytes that should be popped */ + int emit_pop; /**< if set, emit pop bytes, even if pop = 0 */ } be_return_attr_t; -/** The be_Stack attribute type. */ +/** The be_IncSP attribute type. */ typedef struct { - be_node_attr_t node_attr; - int offset; /**< The offset by which the stack shall be expanded/shrinked. */ -} be_stack_attr_t; + be_node_attr_t node_attr; /**< base attributes of every be node. */ + int offset; /**< The offset by which the stack shall be expanded/shrinked. */ + int align; /**< whether stack should be aligned after the + IncSP */ +} be_incsp_attr_t; /** The be_Frame attribute type. */ typedef struct { - be_node_attr_t node_attr; - ir_entity *ent; - int offset; + be_node_attr_t node_attr; /**< base attributes of every be node. */ + ir_entity *ent; + int offset; } be_frame_attr_t; /** The be_Call attribute type. */ typedef struct { - be_node_attr_t node_attr; - ir_entity *ent; /**< The called entity if this is a static call. */ - ir_type *call_tp; /**< The call type, copied from the original Call node. */ + be_node_attr_t node_attr; /**< base attributes of every be node. */ + ir_entity *ent; /**< The called entity if this is a static call. */ + unsigned pop; + ir_type *call_tp; /**< The call type, copied from the original Call node. */ } be_call_attr_t; typedef struct { - be_node_attr_t node_attr; - ir_entity **in_entities; - ir_entity **out_entities; + be_node_attr_t node_attr; /**< base attributes of every be node. */ + ir_entity **in_entities; + ir_entity **out_entities; } be_memperm_attr_t; ir_op *op_be_Spill; @@ -125,16 +119,10 @@ ir_op *op_be_Return; ir_op *op_be_IncSP; ir_op *op_be_AddSP; ir_op *op_be_SubSP; -ir_op *op_be_SetSP; -ir_op *op_be_RegParams; -ir_op *op_be_StackParam; +ir_op *op_be_Start; ir_op *op_be_FrameAddr; -ir_op *op_be_FrameLoad; -ir_op *op_be_FrameStore; ir_op *op_be_Barrier; -static int beo_base = -1; - static const ir_op_ops be_node_op_ops; #define N irop_flag_none @@ -147,306 +135,238 @@ static const ir_op_ops be_node_op_ops; #define H irop_flag_highlevel #define c irop_flag_constlike #define K irop_flag_keep -#define M irop_flag_machine - +#define M irop_flag_uses_memory /** - * Compare two node attributes. + * Compare two be node attributes. * * @return zero if both attributes are identically */ -static int _node_cmp_attr(be_node_attr_t *a, be_node_attr_t *b) { - int i, len; +static int node_cmp_attr(ir_node *a, ir_node *b) +{ + const be_node_attr_t *a_attr = get_irn_attr_const(a); + const be_node_attr_t *b_attr = get_irn_attr_const(b); + int i, len = ARR_LEN(a_attr->reg_data); + + if (len != ARR_LEN(b_attr->reg_data)) + return 1; - if(ARR_LEN(a->reg_data) != ARR_LEN(b->reg_data)) + if (!be_nodes_equal(a, b)) return 1; - len = ARR_LEN(a->reg_data); - for (i = 0; i < len; ++i) { - if (a->reg_data[i].reg != b->reg_data[i].reg || - memcmp(&a->reg_data[i].in_req, &b->reg_data[i].in_req, sizeof(b->reg_data[i].in_req)) || - memcmp(&a->reg_data[i].req, &b->reg_data[i].req, sizeof(a->reg_data[i].req))) + for (i = len - 1; i >= 0; --i) { + if (!reg_reqs_equal(a_attr->reg_data[i].in_req, + b_attr->reg_data[i].in_req)) return 1; } return 0; } -static int node_cmp_attr(ir_node *a, ir_node *b) { - be_node_attr_t *a_attr = get_irn_attr(a); - be_node_attr_t *b_attr = get_irn_attr(b); - - return _node_cmp_attr(a_attr, b_attr); -} - /** - * Compare the attributes of two FrameAddr nodes. + * Compare the attributes of two be_FrameAddr nodes. * - * @return zero if both attributes are identically + * @return zero if both nodes have identically attributes */ -static int FrameAddr_cmp_attr(ir_node *a, ir_node *b) { - be_frame_attr_t *a_attr = get_irn_attr(a); - be_frame_attr_t *b_attr = get_irn_attr(b); +static int FrameAddr_cmp_attr(ir_node *a, ir_node *b) +{ + const be_frame_attr_t *a_attr = get_irn_attr_const(a); + const be_frame_attr_t *b_attr = get_irn_attr_const(b); if (a_attr->ent != b_attr->ent || a_attr->offset != b_attr->offset) return 1; - return _node_cmp_attr((be_node_attr_t*) a_attr, (be_node_attr_t*) b_attr); + return node_cmp_attr(a, b); } -static int Return_cmp_attr(ir_node *a, ir_node *b) { - be_return_attr_t *a_attr = get_irn_attr(a); - be_return_attr_t *b_attr = get_irn_attr(b); +/** + * Compare the attributes of two be_Return nodes. + * + * @return zero if both nodes have identically attributes + */ +static int Return_cmp_attr(ir_node *a, ir_node *b) +{ + const be_return_attr_t *a_attr = get_irn_attr_const(a); + const be_return_attr_t *b_attr = get_irn_attr_const(b); if (a_attr->num_ret_vals != b_attr->num_ret_vals) return 1; + if (a_attr->pop != b_attr->pop) + return 1; + if (a_attr->emit_pop != b_attr->emit_pop) + return 1; - return _node_cmp_attr((be_node_attr_t*) a_attr, (be_node_attr_t*) b_attr); + return node_cmp_attr(a, b); } -static int Stack_cmp_attr(ir_node *a, ir_node *b) { - be_stack_attr_t *a_attr = get_irn_attr(a); - be_stack_attr_t *b_attr = get_irn_attr(b); +/** + * Compare the attributes of two be_IncSP nodes. + * + * @return zero if both nodes have identically attributes + */ +static int IncSP_cmp_attr(ir_node *a, ir_node *b) +{ + const be_incsp_attr_t *a_attr = get_irn_attr_const(a); + const be_incsp_attr_t *b_attr = get_irn_attr_const(b); if (a_attr->offset != b_attr->offset) return 1; - return _node_cmp_attr((be_node_attr_t*) a_attr, (be_node_attr_t*) b_attr); + return node_cmp_attr(a, b); } -static int Call_cmp_attr(ir_node *a, ir_node *b) { - be_call_attr_t *a_attr = get_irn_attr(a); - be_call_attr_t *b_attr = get_irn_attr(b); +/** + * Compare the attributes of two be_Call nodes. + * + * @return zero if both nodes have identically attributes + */ +static int Call_cmp_attr(ir_node *a, ir_node *b) +{ + const be_call_attr_t *a_attr = get_irn_attr_const(a); + const be_call_attr_t *b_attr = get_irn_attr_const(b); if (a_attr->ent != b_attr->ent || - a_attr->call_tp != b_attr->call_tp) + a_attr->call_tp != b_attr->call_tp) return 1; - return _node_cmp_attr((be_node_attr_t*) a_attr, (be_node_attr_t*) b_attr); + return node_cmp_attr(a, b); } -static INLINE be_req_t *get_be_req(const ir_node *node, int pos) +static arch_register_req_t *allocate_reg_req(const ir_node *node) { - int idx; - be_node_attr_t *attr; - be_reg_data_t *rd; - - assert(is_be_node(node)); - attr = get_irn_attr(node); - - if(pos < 0) { - idx = -(pos + 1); - } else { - idx = pos; - assert(idx < get_irn_arity(node)); - } - assert(idx < ARR_LEN(attr->reg_data)); - rd = &attr->reg_data[idx]; + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = be_get_be_obst(irg); - return pos < 0 ? &rd->req : &rd->in_req; + arch_register_req_t *req = obstack_alloc(obst, sizeof(*req)); + memset(req, 0, sizeof(*req)); + return req; } -static INLINE arch_register_req_t *get_req(const ir_node *node, int pos) +void be_set_constr_in(ir_node *node, int pos, const arch_register_req_t *req) { - be_req_t *bereq = get_be_req(node, pos); - return &bereq->req; + const be_node_attr_t *attr = get_irn_attr_const(node); + be_reg_data_t *rd = &attr->reg_data[pos]; + assert(pos < ARR_LEN(attr->reg_data)); + rd->in_req = req; } -void be_node_init(void) { - static int inited = 0; - - if(inited) - return; - - inited = 1; - - /* Acquire all needed opcodes. */ - beo_base = get_next_ir_opcodes(beo_Last); - - op_be_Spill = new_ir_op(beo_base + beo_Spill, "be_Spill", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_Reload = new_ir_op(beo_base + beo_Reload, "be_Reload", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_Perm = new_ir_op(beo_base + beo_Perm, "be_Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_MemPerm = new_ir_op(beo_base + beo_MemPerm, "be_MemPerm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_memperm_attr_t), &be_node_op_ops); - op_be_Copy = new_ir_op(beo_base + beo_Copy, "be_Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_Keep = new_ir_op(beo_base + beo_Keep, "be_Keep", op_pin_state_pinned, K, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_CopyKeep = new_ir_op(beo_base + beo_CopyKeep, "be_CopyKeep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_Call = new_ir_op(beo_base + beo_Call, "be_Call", op_pin_state_pinned, F, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops); - op_be_Return = new_ir_op(beo_base + beo_Return, "be_Return", op_pin_state_pinned, X, oparity_dynamic, 0, sizeof(be_return_attr_t), &be_node_op_ops); - op_be_AddSP = new_ir_op(beo_base + beo_AddSP, "be_AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_SubSP = new_ir_op(beo_base + beo_SubSP, "be_SubSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_IncSP = new_ir_op(beo_base + beo_IncSP, "be_IncSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); - op_be_SetSP = new_ir_op(beo_base + beo_SetSP, "be_SetSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); - op_be_RegParams = new_ir_op(beo_base + beo_RegParams, "be_RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_StackParam = new_ir_op(beo_base + beo_StackParam, "be_StackParam", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameLoad = new_ir_op(beo_base + beo_FrameLoad, "be_FrameLoad", op_pin_state_floats, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameStore = new_ir_op(beo_base + beo_FrameStore, "be_FrameStore", op_pin_state_floats, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameAddr = new_ir_op(beo_base + beo_FrameAddr, "be_FrameAddr", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_Barrier = new_ir_op(beo_base + beo_Barrier, "be_Barrier", op_pin_state_pinned, N, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops); - - set_op_tag(op_be_Spill, &be_node_tag); - op_be_Spill->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_Reload, &be_node_tag); - op_be_Reload->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_Perm, &be_node_tag); - op_be_Perm->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_MemPerm, &be_node_tag); - op_be_MemPerm->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_Copy, &be_node_tag); - op_be_Copy->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_Keep, &be_node_tag); - op_be_Keep->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_CopyKeep, &be_node_tag); - op_be_CopyKeep->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_Call, &be_node_tag); - op_be_Call->ops.node_cmp_attr = Call_cmp_attr; - set_op_tag(op_be_Return, &be_node_tag); - op_be_Return->ops.node_cmp_attr = Return_cmp_attr; - set_op_tag(op_be_AddSP, &be_node_tag); - op_be_AddSP->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_SubSP, &be_node_tag); - op_be_SubSP->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_SetSP, &be_node_tag); - op_be_SetSP->ops.node_cmp_attr = Stack_cmp_attr; - set_op_tag(op_be_IncSP, &be_node_tag); - op_be_IncSP->ops.node_cmp_attr = Stack_cmp_attr; - set_op_tag(op_be_RegParams, &be_node_tag); - op_be_RegParams->ops.node_cmp_attr = node_cmp_attr; - set_op_tag(op_be_StackParam, &be_node_tag); - op_be_StackParam->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_FrameLoad, &be_node_tag); - op_be_FrameLoad->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_FrameStore, &be_node_tag); - op_be_FrameStore->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_FrameAddr, &be_node_tag); - op_be_FrameAddr->ops.node_cmp_attr = FrameAddr_cmp_attr; - set_op_tag(op_be_Barrier, &be_node_tag); - op_be_Barrier->ops.node_cmp_attr = node_cmp_attr; +void be_set_constr_out(ir_node *node, int pos, const arch_register_req_t *req) +{ + backend_info_t *info = be_get_info(node); + info->out_infos[pos].req = req; } /** - * Initializes the generic attribute of all be nodes and return ir. + * Initializes the generic attribute of all be nodes and return it. */ -static void *init_node_attr(ir_node *node, int max_reg_data) +static void *init_node_attr(ir_node *node, int n_inputs, int n_outputs) { - ir_graph *irg = get_irn_irg(node); - struct obstack *obst = get_irg_obstack(irg); - be_node_attr_t *a = get_irn_attr(node); + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = be_get_be_obst(irg); + be_node_attr_t *a = get_irn_attr(node); + backend_info_t *info = be_get_info(node); memset(a, 0, sizeof(get_op_attr_size(get_irn_op(node)))); - if(max_reg_data >= 0) { - a->reg_data = NEW_ARR_D(be_reg_data_t, obst, max_reg_data); - memset(a->reg_data, 0, max_reg_data * sizeof(a->reg_data[0])); + if (n_inputs >= 0) { + int i; + a->reg_data = NEW_ARR_D(be_reg_data_t, obst, n_inputs); + for (i = 0; i < n_inputs; ++i) { + a->reg_data[i].in_req = arch_no_register_req; + } } else { a->reg_data = NEW_ARR_F(be_reg_data_t, 0); } - return a; -} - -static void add_register_req(ir_node *node) -{ - be_node_attr_t *a = get_irn_attr(node); - be_reg_data_t regreq; - memset(®req, 0, sizeof(regreq)); - ARR_APP1(be_reg_data_t, a->reg_data, regreq); -} - -int is_be_node(const ir_node *irn) -{ - return get_op_tag(get_irn_op(irn)) == &be_node_tag; -} - -be_opcode_t be_get_irn_opcode(const ir_node *irn) -{ - return is_be_node(irn) ? (be_opcode_t) get_irn_opcode(irn) - beo_base : beo_NoBeOp; -} - -/** - * Skip Proj nodes and return their Proj numbers. - * - * If *node is a Proj or Proj(Proj) node, skip it. - * - * @param node points to the node to be skipped - * - * @return 0 if *node was no Proj node, its Proj number else. - */ -static int redir_proj(const ir_node **node) -{ - const ir_node *n = *node; - - if(is_Proj(n)) { - ir_node *irn; - - *node = irn = get_Proj_pred(n); - if(is_Proj(irn)) { - assert(get_irn_mode(irn) == mode_T); - *node = get_Proj_pred(irn); + if (n_outputs >= 0) { + int i; + info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_outputs); + memset(info->out_infos, 0, n_outputs * sizeof(info->out_infos[0])); + for (i = 0; i < n_outputs; ++i) { + info->out_infos[i].req = arch_no_register_req; } - return get_Proj_proj(n); + } else { + info->out_infos = NEW_ARR_F(reg_out_info_t, 0); } - return 0; + return a; } -static be_reg_data_t *retrieve_reg_data(const ir_node *node) +static void add_register_req_out(ir_node *node) { - be_node_attr_t *attr; - int pos = 0; - - if(is_Proj(node)) { - pos = get_Proj_proj(node); - node = get_Proj_pred(node); - } - - assert(is_be_node(node)); - attr = get_irn_attr(node); - assert(pos >= 0 && pos < ARR_LEN(attr->reg_data) && "illegal proj number"); - - return &attr->reg_data[pos]; + backend_info_t *info = be_get_info(node); + reg_out_info_t out_info; + memset(&out_info, 0, sizeof(out_info)); + out_info.req = arch_no_register_req; + ARR_APP1(reg_out_info_t, info->out_infos, out_info); } -static void -be_node_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg) +static void add_register_req_in(ir_node *node) { - be_reg_data_t *r = retrieve_reg_data(irn); - (void) self; - r->reg = reg; + be_node_attr_t *a = get_irn_attr(node); + be_reg_data_t regreq; + memset(®req, 0, sizeof(regreq)); + regreq.in_req = arch_no_register_req; + ARR_APP1(be_reg_data_t, a->reg_data, regreq); } -ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, - ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *to_spill) +ir_node *be_new_Spill(const arch_register_class_t *cls, + const arch_register_class_t *cls_frame, ir_node *bl, + ir_node *frame, ir_node *to_spill) { be_frame_attr_t *a; ir_node *in[2]; ir_node *res; + ir_graph *irg = get_Block_irg(bl); in[0] = frame; in[1] = to_spill; res = new_ir_node(NULL, irg, bl, op_be_Spill, mode_M, 2, in); - a = init_node_attr(res, 2); + a = init_node_attr(res, 2, 1); a->ent = NULL; a->offset = 0; - be_node_set_reg_class(res, be_pos_Spill_frame, cls_frame); - be_node_set_reg_class(res, be_pos_Spill_val, cls); + be_node_set_reg_class_in(res, be_pos_Spill_frame, cls_frame); + be_node_set_reg_class_in(res, be_pos_Spill_val, cls); + /* + * For spills and reloads, we return "none" as requirement for frame + * pointer, so every input is ok. Some backends need this (STA). + * Matze: we should investigate if this is really needed, this solution + * looks very hacky to me + */ + be_set_constr_in(res, be_pos_Spill_frame, arch_no_register_req); + + arch_set_out_register_req(res, 0, arch_no_register_req); + return res; } -ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, - ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *mem, ir_mode *mode) +ir_node *be_new_Reload(const arch_register_class_t *cls, + const arch_register_class_t *cls_frame, ir_node *block, + ir_node *frame, ir_node *mem, ir_mode *mode) { - ir_node *in[2]; - ir_node *res; + ir_node *in[2]; + ir_node *res; + ir_graph *irg = get_Block_irg(block); in[0] = frame; in[1] = mem; - res = new_ir_node(NULL, irg, bl, op_be_Reload, mode, 2, in); + res = new_ir_node(NULL, irg, block, op_be_Reload, mode, 2, in); + + init_node_attr(res, 2, 1); + be_node_set_reg_class_out(res, 0, cls); + + be_node_set_reg_class_in(res, be_pos_Reload_frame, cls_frame); + arch_irn_set_flags(res, arch_irn_flags_rematerializable); + + /* + * For spills and reloads, we return "none" as requirement for frame + * pointer, so every input is ok. Some backends need this (e.g. STA). + * Matze: we should investigate if this is really needed, this solution + * looks very hacky to me + */ + be_set_constr_in(res, be_pos_Reload_frame, arch_no_register_req); - init_node_attr(res, 2); - be_node_set_reg_class(res, -1, cls); - be_node_set_reg_class(res, be_pos_Reload_frame, cls_frame); - be_node_set_flags(res, -1, arch_irn_flags_rematerializable); return res; } @@ -474,14 +394,17 @@ ir_node *be_get_Spill_frame(const ir_node *irn) return get_irn_n(irn, be_pos_Spill_frame); } -ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[]) +ir_node *be_new_Perm(const arch_register_class_t *cls, ir_node *block, + int n, ir_node *in[]) { - int i; - ir_node *irn = new_ir_node(NULL, irg, bl, op_be_Perm, mode_T, n, in); - init_node_attr(irn, n); - for(i = 0; i < n; ++i) { - be_node_set_reg_class(irn, i, cls); - be_node_set_reg_class(irn, OUT_POS(i), cls); + int i; + ir_graph *irg = get_Block_irg(block); + + ir_node *irn = new_ir_node(NULL, irg, block, op_be_Perm, mode_T, n, in); + init_node_attr(irn, n, n); + for (i = 0; i < n; ++i) { + be_node_set_reg_class_in(irn, i, cls); + be_node_set_reg_class_out(irn, i, cls); } return irn; @@ -489,107 +412,105 @@ ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *b void be_Perm_reduce(ir_node *perm, int new_size, int *map) { - ir_graph *irg = get_irn_irg(perm); - int n = get_irn_arity(perm); - be_reg_data_t *old_data = xmalloc(n * sizeof(old_data[0])); - be_node_attr_t *attr = get_irn_attr(perm); - ir_node **new_in = NEW_ARR_D(ir_node *, irg->obst, new_size + 1); + int arity = get_irn_arity(perm); + be_reg_data_t *old_data = ALLOCAN(be_reg_data_t, arity); + reg_out_info_t *old_infos = ALLOCAN(reg_out_info_t, arity); + be_node_attr_t *attr = get_irn_attr(perm); + backend_info_t *info = be_get_info(perm); + ir_node **new_in; int i; assert(be_is_Perm(perm)); - assert(new_size <= n); + assert(new_size <= arity); + + new_in = alloca(new_size * sizeof(*new_in)); /* save the old register data */ - memcpy(old_data, attr->reg_data, n * sizeof(old_data[0])); + memcpy(old_data, attr->reg_data, arity * sizeof(old_data[0])); + memcpy(old_infos, info->out_infos, arity * sizeof(old_infos[0])); /* compose the new in array and set the new register data directly in place */ - for (i = 0; i < n; ++i) { + for (i = 0; i < new_size; ++i) { int idx = map[i]; - if (idx >= 0) { - new_in[idx] = get_irn_n(perm, i); - attr->reg_data[idx] = old_data[i]; - } + new_in[i] = get_irn_n(perm, idx); + attr->reg_data[i] = old_data[idx]; + info->out_infos[i] = old_infos[idx]; } - free(old_data); set_irn_in(perm, new_size, new_in); } -ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, int n, ir_node *in[]) +ir_node *be_new_MemPerm(ir_node *block, int n, ir_node *in[]) { - int i; - ir_node *frame = get_irg_frame(irg); - const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1); - ir_node *irn; - const arch_register_t *sp = arch_env->isa->sp; - be_memperm_attr_t *attr; - ir_node **real_in; + ir_graph *irg = get_Block_irg(block); + const arch_env_t *arch_env = be_get_irg_arch_env(irg); + ir_node *frame = get_irg_frame(irg); + const arch_register_t *sp = arch_env->sp; + ir_node *irn; + be_memperm_attr_t *attr; + ir_node **real_in; - real_in = alloca((n+1) * sizeof(real_in[0])); + real_in = ALLOCAN(ir_node*, n + 1); real_in[0] = frame; memcpy(&real_in[1], in, n * sizeof(real_in[0])); - irn = new_ir_node(NULL, irg, bl, op_be_MemPerm, mode_T, n+1, real_in); - - init_node_attr(irn, n + 1); - be_node_set_reg_class(irn, 0, sp->reg_class); - for(i = 0; i < n; ++i) { - be_node_set_reg_class(irn, i + 1, cls_frame); - be_node_set_reg_class(irn, OUT_POS(i), cls_frame); - } + irn = new_ir_node(NULL, irg, block, op_be_MemPerm, mode_T, n+1, real_in); - attr = get_irn_attr(irn); + init_node_attr(irn, n + 1, n); + be_node_set_reg_class_in(irn, 0, sp->reg_class); - attr->in_entities = obstack_alloc(irg->obst, n * sizeof(attr->in_entities[0])); - memset(attr->in_entities, 0, n * sizeof(attr->in_entities[0])); - attr->out_entities = obstack_alloc(irg->obst, n*sizeof(attr->out_entities[0])); - memset(attr->out_entities, 0, n*sizeof(attr->out_entities[0])); + attr = get_irn_attr(irn); + attr->in_entities = OALLOCNZ(irg->obst, ir_entity*, n); + attr->out_entities = OALLOCNZ(irg->obst, ir_entity*, n); return irn; } - -ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *op) +ir_node *be_new_Copy(const arch_register_class_t *cls, ir_node *bl, ir_node *op) { ir_node *in[1]; ir_node *res; arch_register_req_t *req; + ir_graph *irg = get_Block_irg(bl); in[0] = op; res = new_ir_node(NULL, irg, bl, op_be_Copy, get_irn_mode(op), 1, in); - init_node_attr(res, 1); - be_node_set_reg_class(res, 0, cls); - be_node_set_reg_class(res, OUT_POS(0), cls); + init_node_attr(res, 1, 1); + be_node_set_reg_class_in(res, 0, cls); + be_node_set_reg_class_out(res, 0, cls); - req = get_req(res, OUT_POS(0)); - req->cls = cls; - req->type = arch_register_req_type_should_be_same; - req->other_same = 0; + req = allocate_reg_req(res); + req->cls = cls; + req->type = arch_register_req_type_should_be_same; + req->other_same = 1U << 0; + be_set_constr_out(res, 0, req); return res; } -ir_node *be_get_Copy_op(const ir_node *cpy) { +ir_node *be_get_Copy_op(const ir_node *cpy) +{ return get_irn_n(cpy, be_pos_Copy_op); } -void be_set_Copy_op(ir_node *cpy, ir_node *op) { +void be_set_Copy_op(ir_node *cpy, ir_node *op) +{ set_irn_n(cpy, be_pos_Copy_op, op); } -ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[]) +ir_node *be_new_Keep(ir_node *block, int n, ir_node *in[]) { int i; ir_node *res; + ir_graph *irg = get_Block_irg(block); - res = new_ir_node(NULL, irg, bl, op_be_Keep, mode_ANY, -1, NULL); - init_node_attr(res, -1); + res = new_ir_node(NULL, irg, block, op_be_Keep, mode_ANY, -1, NULL); + init_node_attr(res, -1, 1); - for(i = 0; i < n; ++i) { + for (i = 0; i < n; ++i) { add_irn_n(res, in[i]); - add_register_req(res); - be_node_set_reg_class(res, i, cls); + add_register_req_in(res); } keep_alive(res); @@ -602,13 +523,14 @@ void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node * assert(be_is_Keep(keep)); n = add_irn_n(keep, node); - add_register_req(keep); - be_node_set_reg_class(keep, n, cls); + add_register_req_in(keep); + be_node_set_reg_class_in(keep, n, cls); } /* creates a be_Call */ -ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, - int n_outs, int n, ir_node *in[], ir_type *call_tp) +ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, + ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[], + ir_type *call_tp) { be_call_attr_t *a; int real_n = be_pos_Call_first_arg + n; @@ -622,321 +544,277 @@ ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir memcpy(&real_in[be_pos_Call_first_arg], in, n * sizeof(in[0])); irn = new_ir_node(dbg, irg, bl, op_be_Call, mode_T, real_n, real_in); - a = init_node_attr(irn, (n_outs > real_n ? n_outs : real_n)); + a = init_node_attr(irn, real_n, n_outs); a->ent = NULL; a->call_tp = call_tp; + a->pop = 0; return irn; } /* Gets the call entity or NULL if this is no static call. */ -ir_entity *be_Call_get_entity(const ir_node *call) { - be_call_attr_t *a = get_irn_attr(call); +ir_entity *be_Call_get_entity(const ir_node *call) +{ + const be_call_attr_t *a = get_irn_attr_const(call); assert(be_is_Call(call)); return a->ent; } /* Sets the call entity. */ -void be_Call_set_entity(ir_node *call, ir_entity *ent) { +void be_Call_set_entity(ir_node *call, ir_entity *ent) +{ be_call_attr_t *a = get_irn_attr(call); assert(be_is_Call(call)); a->ent = ent; } /* Gets the call type. */ -ir_type *be_Call_get_type(ir_node *call) { - be_call_attr_t *a = get_irn_attr(call); +ir_type *be_Call_get_type(ir_node *call) +{ + const be_call_attr_t *a = get_irn_attr_const(call); assert(be_is_Call(call)); return a->call_tp; } /* Sets the call type. */ -void be_Call_set_type(ir_node *call, ir_type *call_tp) { +void be_Call_set_type(ir_node *call, ir_type *call_tp) +{ be_call_attr_t *a = get_irn_attr(call); assert(be_is_Call(call)); a->call_tp = call_tp; } +void be_Call_set_pop(ir_node *call, unsigned pop) +{ + be_call_attr_t *a = get_irn_attr(call); + a->pop = pop; +} + +unsigned be_Call_get_pop(const ir_node *call) +{ + const be_call_attr_t *a = get_irn_attr_const(call); + return a->pop; +} + /* Construct a new be_Return. */ ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *block, int n_res, - int n, ir_node *in[]) + unsigned pop, int n, ir_node *in[]) { be_return_attr_t *a; ir_node *res; int i; res = new_ir_node(dbg, irg, block, op_be_Return, mode_X, -1, NULL); - init_node_attr(res, -1); - for(i = 0; i < n; ++i) { + init_node_attr(res, -1, 1); + for (i = 0; i < n; ++i) { add_irn_n(res, in[i]); - add_register_req(res); + add_register_req_in(res); } + be_set_constr_out(res, 0, arch_no_register_req); a = get_irn_attr(res); a->num_ret_vals = n_res; + a->pop = pop; + a->emit_pop = 0; return res; } /* Returns the number of real returns values */ -int be_Return_get_n_rets(ir_node *ret) +int be_Return_get_n_rets(const ir_node *ret) { - be_return_attr_t *a = get_irn_attr(ret); + const be_return_attr_t *a = get_irn_generic_attr_const(ret); return a->num_ret_vals; } +/* return the number of bytes that should be popped from stack when executing the Return. */ +unsigned be_Return_get_pop(const ir_node *ret) +{ + const be_return_attr_t *a = get_irn_generic_attr_const(ret); + return a->pop; +} + +/* return non-zero, if number of popped bytes must be always emitted */ +int be_Return_get_emit_pop(const ir_node *ret) +{ + const be_return_attr_t *a = get_irn_generic_attr_const(ret); + return a->emit_pop; +} + +/* return non-zero, if number of popped bytes must be always emitted */ +void be_Return_set_emit_pop(ir_node *ret, int emit_pop) +{ + be_return_attr_t *a = get_irn_generic_attr(ret); + a->emit_pop = emit_pop; +} + int be_Return_append_node(ir_node *ret, ir_node *node) { int pos; pos = add_irn_n(ret, node); - add_register_req(ret); + add_register_req_in(ret); return pos; } -ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, int offset) +ir_node *be_new_IncSP(const arch_register_t *sp, ir_node *bl, + ir_node *old_sp, int offset, int align) { - be_stack_attr_t *a; + be_incsp_attr_t *a; ir_node *irn; ir_node *in[1]; + ir_graph *irg = get_Block_irg(bl); in[0] = old_sp; - irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode, sizeof(in) / sizeof(in[0]), in); - a = init_node_attr(irn, 1); + irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode, + sizeof(in) / sizeof(in[0]), in); + a = init_node_attr(irn, 1, 1); a->offset = offset; - - be_node_set_flags(irn, -1, arch_irn_flags_ignore | arch_irn_flags_modify_sp); + a->align = align; /* Set output constraint to stack register. */ - be_node_set_reg_class(irn, 0, sp->reg_class); - be_set_constr_single_reg(irn, BE_OUT_POS(0), sp); - be_node_set_irn_reg(NULL, irn, sp); + be_node_set_reg_class_in(irn, 0, sp->reg_class); + be_set_constr_single_reg_out(irn, 0, sp, arch_register_req_type_produces_sp); return irn; } -ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz) +ir_node *be_new_AddSP(const arch_register_t *sp, ir_node *bl, ir_node *old_sp, + ir_node *sz) { be_node_attr_t *a; ir_node *irn; ir_node *in[be_pos_AddSP_last]; + const arch_register_class_t *cls; + ir_graph *irg; in[be_pos_AddSP_old_sp] = old_sp; in[be_pos_AddSP_size] = sz; + irg = get_Block_irg(bl); irn = new_ir_node(NULL, irg, bl, op_be_AddSP, mode_T, be_pos_AddSP_last, in); - a = init_node_attr(irn, be_pos_AddSP_last); - - be_node_set_flags(irn, OUT_POS(pn_be_AddSP_res), arch_irn_flags_ignore | arch_irn_flags_modify_sp); + a = init_node_attr(irn, be_pos_AddSP_last, pn_be_AddSP_last); /* Set output constraint to stack register. */ - be_set_constr_single_reg(irn, be_pos_AddSP_old_sp, sp); - be_node_set_reg_class(irn, be_pos_AddSP_size, arch_register_get_class(sp)); - be_set_constr_single_reg(irn, OUT_POS(pn_be_AddSP_res), sp); - a->reg_data[pn_be_AddSP_res].reg = sp; + be_set_constr_single_reg_in(irn, be_pos_AddSP_old_sp, sp, 0); + be_node_set_reg_class_in(irn, be_pos_AddSP_size, arch_register_get_class(sp)); + be_set_constr_single_reg_out(irn, pn_be_AddSP_sp, sp, arch_register_req_type_produces_sp); + + cls = arch_register_get_class(sp); return irn; } -ir_node *be_new_SubSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz) +ir_node *be_new_SubSP(const arch_register_t *sp, ir_node *bl, ir_node *old_sp, ir_node *sz) { be_node_attr_t *a; ir_node *irn; ir_node *in[be_pos_SubSP_last]; + ir_graph *irg; in[be_pos_SubSP_old_sp] = old_sp; in[be_pos_SubSP_size] = sz; + irg = get_Block_irg(bl); irn = new_ir_node(NULL, irg, bl, op_be_SubSP, mode_T, be_pos_SubSP_last, in); - a = init_node_attr(irn, be_pos_SubSP_last); - - be_node_set_flags(irn, OUT_POS(pn_be_SubSP_res), arch_irn_flags_ignore | arch_irn_flags_modify_sp); + a = init_node_attr(irn, be_pos_SubSP_last, pn_be_SubSP_last); /* Set output constraint to stack register. */ - be_set_constr_single_reg(irn, be_pos_SubSP_old_sp, sp); - be_node_set_reg_class(irn, be_pos_SubSP_size, arch_register_get_class(sp)); - be_set_constr_single_reg(irn, OUT_POS(pn_be_SubSP_res), sp); - a->reg_data[pn_be_SubSP_res].reg = sp; - - return irn; -} - -ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *op, ir_node *mem) -{ - be_node_attr_t *a; - ir_node *irn; - ir_node *in[3]; - - in[0] = mem; - in[1] = old_sp; - in[2] = op; - irn = new_ir_node(NULL, irg, bl, op_be_SetSP, get_irn_mode(old_sp), 3, in); - a = init_node_attr(irn, 3); - - be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore | arch_irn_flags_modify_sp); - - /* Set output constraint to stack register. */ - be_set_constr_single_reg(irn, OUT_POS(0), sp); - be_node_set_reg_class(irn, be_pos_AddSP_size, sp->reg_class); - be_node_set_reg_class(irn, be_pos_AddSP_old_sp, sp->reg_class); - - return irn; -} - -ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, ir_entity *ent) -{ - be_frame_attr_t *a; - ir_node *irn; - ir_node *in[1]; - - in[0] = frame_pointer; - irn = new_ir_node(NULL, irg, bl, op_be_StackParam, mode, 1, in); - a = init_node_attr(irn, 1); - a->ent = ent; - - be_node_set_reg_class(irn, 0, cls_frame); - be_node_set_reg_class(irn, OUT_POS(0), cls); - be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_rematerializable); + be_set_constr_single_reg_in(irn, be_pos_SubSP_old_sp, sp, 0); + be_node_set_reg_class_in(irn, be_pos_SubSP_size, arch_register_get_class(sp)); + be_set_constr_single_reg_out(irn, pn_be_SubSP_sp, sp, arch_register_req_type_produces_sp); return irn; } -ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_outs) +ir_node *be_new_Start(dbg_info *dbgi, ir_node *bl, int n_outs) { ir_node *res; int i; + ir_graph *irg = get_Block_irg(bl); - res = new_ir_node(NULL, irg, bl, op_be_RegParams, mode_T, 0, NULL); - init_node_attr(res, -1); - for(i = 0; i < n_outs; ++i) - add_register_req(res); + res = new_ir_node(dbgi, irg, bl, op_be_Start, mode_T, 0, NULL); + init_node_attr(res, 0, -1); + for (i = 0; i < n_outs; ++i) { + add_register_req_out(res); + } return res; } -ir_node *be_RegParams_append_out_reg(ir_node *regparams, - const arch_env_t *arch_env, - const arch_register_t *reg) -{ - ir_graph *irg = get_irn_irg(regparams); - ir_node *block = get_nodes_block(regparams); - be_node_attr_t *attr = get_irn_attr(regparams); - const arch_register_class_t *cls = arch_register_get_class(reg); - ir_mode *mode = arch_register_class_mode(cls); - int n = ARR_LEN(attr->reg_data); - ir_node *proj; - - assert(be_is_RegParams(regparams)); - proj = new_r_Proj(irg, block, regparams, mode, n); - add_register_req(regparams); - be_set_constr_single_reg(regparams, BE_OUT_POS(n), reg); - arch_set_irn_register(arch_env, proj, reg); - - /* TODO decide, whether we need to set ignore/modify sp flags here? */ - - return proj; -} - -ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data, - ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_entity *ent) -{ - be_frame_attr_t *a; - ir_node *irn; - ir_node *in[2]; - - in[0] = mem; - in[1] = frame; - irn = new_ir_node(NULL, irg, bl, op_be_FrameLoad, mode_T, 2, in); - a = init_node_attr(irn, 3); - a->ent = ent; - a->offset = 0; - be_node_set_reg_class(irn, 1, cls_frame); - be_node_set_reg_class(irn, OUT_POS(pn_Load_res), cls_data); - return irn; -} - -ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data, - ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, ir_entity *ent) -{ - be_frame_attr_t *a; - ir_node *irn; - ir_node *in[3]; - - in[0] = mem; - in[1] = frame; - in[2] = data; - irn = new_ir_node(NULL, irg, bl, op_be_FrameStore, mode_T, 3, in); - a = init_node_attr(irn, 3); - a->ent = ent; - a->offset = 0; - be_node_set_reg_class(irn, 1, cls_frame); - be_node_set_reg_class(irn, 2, cls_data); - return irn; -} - -ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent) +ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_node *bl, ir_node *frame, ir_entity *ent) { be_frame_attr_t *a; ir_node *irn; ir_node *in[1]; + ir_graph *irg = get_Block_irg(bl); in[0] = frame; irn = new_ir_node(NULL, irg, bl, op_be_FrameAddr, get_irn_mode(frame), 1, in); - a = init_node_attr(irn, 1); + a = init_node_attr(irn, 1, 1); a->ent = ent; a->offset = 0; - be_node_set_reg_class(irn, 0, cls_frame); - be_node_set_reg_class(irn, OUT_POS(0), cls_frame); + be_node_set_reg_class_in(irn, 0, cls_frame); + be_node_set_reg_class_out(irn, 0, cls_frame); return optimize_node(irn); } -ir_node *be_get_FrameAddr_frame(ir_node *node) { +ir_node *be_get_FrameAddr_frame(const ir_node *node) +{ assert(be_is_FrameAddr(node)); return get_irn_n(node, be_pos_FrameAddr_ptr); } -ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode) +ir_entity *be_get_FrameAddr_entity(const ir_node *node) { - ir_node *irn; - ir_node **in = (ir_node **) alloca((n + 1) * sizeof(in[0])); + const be_frame_attr_t *attr = get_irn_generic_attr_const(node); + return attr->ent; +} + +ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode) +{ + ir_node *irn; + ir_node **in = ALLOCAN(ir_node*, n + 1); + ir_graph *irg = get_Block_irg(bl); in[0] = src; memcpy(&in[1], in_keep, n * sizeof(in[0])); irn = new_ir_node(NULL, irg, bl, op_be_CopyKeep, mode, n + 1, in); - init_node_attr(irn, n + 1); - be_node_set_reg_class(irn, OUT_POS(0), cls); - be_node_set_reg_class(irn, 0, cls); + init_node_attr(irn, n + 1, 1); + be_node_set_reg_class_in(irn, 0, cls); + be_node_set_reg_class_out(irn, 0, cls); return irn; } -ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode) +ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode) { - ir_node *in[1]; - - in[0] = keep; - return be_new_CopyKeep(cls, irg, bl, src, 1, in, mode); + return be_new_CopyKeep(cls, bl, src, 1, &keep, mode); } -ir_node *be_get_CopyKeep_op(const ir_node *cpy) { +ir_node *be_get_CopyKeep_op(const ir_node *cpy) +{ return get_irn_n(cpy, be_pos_CopyKeep_op); } -void be_set_CopyKeep_op(ir_node *cpy, ir_node *op) { +void be_set_CopyKeep_op(ir_node *cpy, ir_node *op) +{ set_irn_n(cpy, be_pos_CopyKeep_op, op); } -ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]) +ir_node *be_new_Barrier(ir_node *bl, int n, ir_node *in[]) { ir_node *res; int i; + ir_graph *irg = get_Block_irg(bl); res = new_ir_node(NULL, irg, bl, op_be_Barrier, mode_T, -1, NULL); - init_node_attr(res, -1); - for(i = 0; i < n; ++i) { + init_node_attr(res, -1, -1); + for (i = 0; i < n; ++i) { add_irn_n(res, in[i]); - add_register_req(res); + add_register_req_in(res); + add_register_req_out(res); } return res; @@ -944,56 +822,32 @@ ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]) ir_node *be_Barrier_append_node(ir_node *barrier, ir_node *node) { - ir_graph *irg = get_irn_irg(barrier); - ir_node *block = get_nodes_block(barrier); ir_mode *mode = get_irn_mode(node); int n = add_irn_n(barrier, node); - ir_node *proj = new_r_Proj(irg, block, barrier, mode, n); - add_register_req(barrier); + ir_node *proj = new_r_Proj(barrier, mode, n); + add_register_req_in(barrier); + add_register_req_out(barrier); return proj; } -int be_is_Spill (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Spill ; } -int be_is_Reload (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Reload ; } -int be_is_Copy (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Copy ; } -int be_is_CopyKeep (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_CopyKeep ; } -int be_is_Perm (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Perm ; } -int be_is_MemPerm (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_MemPerm ; } -int be_is_Keep (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Keep ; } -int be_is_Call (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Call ; } -int be_is_Return (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Return ; } -int be_is_IncSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_IncSP ; } -int be_is_SetSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_SetSP ; } -int be_is_AddSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_AddSP ; } -int be_is_SubSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_SubSP ; } -int be_is_RegParams (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_RegParams ; } -int be_is_StackParam (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_StackParam ; } -int be_is_FrameAddr (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameAddr ; } -int be_is_FrameLoad (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameLoad ; } -int be_is_FrameStore (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameStore ; } -int be_is_Barrier (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Barrier ; } - -int be_has_frame_entity(const ir_node *irn) -{ - switch(be_get_irn_opcode(irn)) { - case beo_StackParam: +static bool be_has_frame_entity(const ir_node *irn) +{ + switch (get_irn_opcode(irn)) { case beo_Spill: case beo_Reload: - case beo_FrameStore: - case beo_FrameLoad: case beo_FrameAddr: - return 1; + return true; default: - return 0; + return false; } } ir_entity *be_get_frame_entity(const ir_node *irn) { if (be_has_frame_entity(irn)) { - be_frame_attr_t *a = get_irn_attr(irn); + const be_frame_attr_t *a = get_irn_attr_const(irn); return a->ent; } return NULL; @@ -1003,7 +857,7 @@ int be_get_frame_offset(const ir_node *irn) { assert(is_be_node(irn)); if (be_has_frame_entity(irn)) { - be_frame_attr_t *a = get_irn_attr(irn); + const be_frame_attr_t *a = get_irn_attr_const(irn); return a->offset; } return 0; @@ -1011,7 +865,7 @@ int be_get_frame_offset(const ir_node *irn) void be_set_MemPerm_in_entity(const ir_node *irn, int n, ir_entity *ent) { - be_memperm_attr_t *attr = get_irn_attr(irn); + const be_memperm_attr_t *attr = get_irn_attr_const(irn); assert(be_is_MemPerm(irn)); assert(n < be_get_MemPerm_entity_arity(irn)); @@ -1021,7 +875,7 @@ void be_set_MemPerm_in_entity(const ir_node *irn, int n, ir_entity *ent) ir_entity* be_get_MemPerm_in_entity(const ir_node* irn, int n) { - be_memperm_attr_t *attr = get_irn_attr(irn); + const be_memperm_attr_t *attr = get_irn_attr_const(irn); assert(be_is_MemPerm(irn)); assert(n < be_get_MemPerm_entity_arity(irn)); @@ -1031,7 +885,7 @@ ir_entity* be_get_MemPerm_in_entity(const ir_node* irn, int n) void be_set_MemPerm_out_entity(const ir_node *irn, int n, ir_entity *ent) { - be_memperm_attr_t *attr = get_irn_attr(irn); + const be_memperm_attr_t *attr = get_irn_attr_const(irn); assert(be_is_MemPerm(irn)); assert(n < be_get_MemPerm_entity_arity(irn)); @@ -1041,7 +895,7 @@ void be_set_MemPerm_out_entity(const ir_node *irn, int n, ir_entity *ent) ir_entity* be_get_MemPerm_out_entity(const ir_node* irn, int n) { - be_memperm_attr_t *attr = get_irn_attr(irn); + const be_memperm_attr_t *attr = get_irn_attr_const(irn); assert(be_is_MemPerm(irn)); assert(n < be_get_MemPerm_entity_arity(irn)); @@ -1054,119 +908,130 @@ int be_get_MemPerm_entity_arity(const ir_node *irn) return get_irn_arity(irn) - 1; } -void be_set_constr_single_reg(ir_node *node, int pos, const arch_register_t *reg) +const arch_register_req_t *be_create_reg_req(struct obstack *obst, + const arch_register_t *reg, arch_register_req_type_t additional_types) { - arch_register_req_t *req = get_req(node, pos); + arch_register_req_t *req = obstack_alloc(obst, sizeof(*req)); const arch_register_class_t *cls = arch_register_get_class(reg); - ir_graph *irg = get_irn_irg(node); - struct obstack *obst = get_irg_obstack(irg); - unsigned *limited_bitset; - - assert(req->cls == NULL || req->cls == cls); - assert(! (req->type & arch_register_req_type_limited)); - assert(req->limited == NULL); + unsigned *limited_bitset; limited_bitset = rbitset_obstack_alloc(obst, arch_register_class_n_regs(cls)); rbitset_set(limited_bitset, arch_register_get_index(reg)); - req->cls = cls; - req->type |= arch_register_req_type_limited; + req->type = arch_register_req_type_limited | additional_types; + req->cls = cls; req->limited = limited_bitset; + return req; } -void be_set_constr_limited(ir_node *node, int pos, const arch_register_req_t *req) +void be_set_constr_single_reg_in(ir_node *node, int pos, + const arch_register_t *reg, arch_register_req_type_t additional_types) { - ir_graph *irg = get_irn_irg(node); - struct obstack *obst = get_irg_obstack(irg); - arch_register_req_t *r = get_req(node, pos); + const arch_register_req_t *req; - assert(arch_register_req_is(req, limited)); - assert(! (req->type & (arch_register_req_type_should_be_same | arch_register_req_type_should_be_different))); - memcpy(r, req, sizeof(r[0])); - r->limited = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs); -} - -void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags) -{ - be_req_t *bereq = get_be_req(irn, pos); - bereq->flags = flags; + if (additional_types == 0) { + req = reg->single_req; + } else { + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = be_get_be_obst(irg); + req = be_create_reg_req(obst, reg, additional_types); + } + be_set_constr_in(node, pos, req); } -void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls) +void be_set_constr_single_reg_out(ir_node *node, int pos, + const arch_register_t *reg, arch_register_req_type_t additional_types) { - arch_register_req_t *req = get_req(irn, pos); + const arch_register_req_t *req; - req->cls = cls; + /* if we have an ignore register, add ignore flag and just assign it */ + if (reg->type & arch_register_type_ignore) { + additional_types |= arch_register_req_type_ignore; + } - if (cls == NULL) { - req->type = arch_register_req_type_none; - } else if (req->type == arch_register_req_type_none) { - req->type = arch_register_req_type_normal; + if (additional_types == 0) { + req = reg->single_req; + } else { + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = be_get_be_obst(irg); + req = be_create_reg_req(obst, reg, additional_types); } + + arch_irn_set_register(node, pos, reg); + be_set_constr_out(node, pos, req); } -void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type) +void be_node_set_reg_class_in(ir_node *irn, int pos, + const arch_register_class_t *cls) { - arch_register_req_t *req = get_req(irn, pos); - req->type = type; + be_set_constr_in(irn, pos, cls->class_req); } -ir_node *be_get_IncSP_pred(ir_node *irn) { +void be_node_set_reg_class_out(ir_node *irn, int pos, + const arch_register_class_t *cls) +{ + be_set_constr_out(irn, pos, cls->class_req); +} + +ir_node *be_get_IncSP_pred(ir_node *irn) +{ assert(be_is_IncSP(irn)); return get_irn_n(irn, 0); } -void be_set_IncSP_pred(ir_node *incsp, ir_node *pred) { +void be_set_IncSP_pred(ir_node *incsp, ir_node *pred) +{ assert(be_is_IncSP(incsp)); set_irn_n(incsp, 0, pred); } -ir_node *be_get_IncSP_mem(ir_node *irn) { - assert(be_is_IncSP(irn)); - return get_irn_n(irn, 1); -} - void be_set_IncSP_offset(ir_node *irn, int offset) { - be_stack_attr_t *a = get_irn_attr(irn); + be_incsp_attr_t *a = get_irn_attr(irn); assert(be_is_IncSP(irn)); a->offset = offset; } int be_get_IncSP_offset(const ir_node *irn) { - be_stack_attr_t *a = get_irn_attr(irn); + const be_incsp_attr_t *a = get_irn_attr_const(irn); assert(be_is_IncSP(irn)); return a->offset; } -ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn) +int be_get_IncSP_align(const ir_node *irn) +{ + const be_incsp_attr_t *a = get_irn_attr_const(irn); + assert(be_is_IncSP(irn)); + return a->align; +} + +ir_node *be_spill(ir_node *block, ir_node *irn) { - ir_node *bl = get_nodes_block(irn); - ir_graph *irg = get_irn_irg(bl); + ir_graph *irg = get_Block_irg(block); ir_node *frame = get_irg_frame(irg); - const arch_register_class_t *cls = arch_get_irn_reg_class(arch_env, irn, -1); - const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1); + const arch_register_class_t *cls = arch_get_irn_reg_class_out(irn); + const arch_register_class_t *cls_frame = arch_get_irn_reg_class_out(frame); ir_node *spill; - spill = be_new_Spill(cls, cls_frame, irg, bl, frame, irn); + spill = be_new_Spill(cls, cls_frame, block, frame, irn); return spill; } -ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill) +ir_node *be_reload(const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill) { ir_node *reload; ir_node *bl = is_Block(insert) ? insert : get_nodes_block(insert); - ir_graph *irg = get_irn_irg(bl); + ir_graph *irg = get_Block_irg(bl); ir_node *frame = get_irg_frame(irg); - const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1); + const arch_register_class_t *cls_frame = arch_get_irn_reg_class_out(frame); assert(be_is_Spill(spill) || (is_Phi(spill) && get_irn_mode(spill) == mode_M)); - reload = be_new_Reload(cls, cls_frame, irg, bl, frame, spill, mode); + reload = be_new_Reload(cls, cls_frame, bl, frame, spill, mode); if (is_Block(insert)) { - insert = sched_skip(insert, 0, sched_skip_cf_predicator, (void *) arch_env); + insert = sched_skip(insert, 0, sched_skip_cf_predicator, NULL); sched_add_after(insert, reload); } else { sched_add_before(insert, reload); @@ -1186,116 +1051,37 @@ ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, */ -static const -arch_register_req_t *get_out_reg_req(const ir_node *irn, int out_pos) +static const arch_register_req_t *be_node_get_in_reg_req( + const ir_node *irn, int pos) { - const be_node_attr_t *a = get_irn_attr(irn); + const be_node_attr_t *a = get_irn_attr_const(irn); - if(out_pos >= ARR_LEN(a->reg_data)) { + assert(pos >= 0); + if (pos >= get_irn_arity(irn) || pos >= ARR_LEN(a->reg_data)) return arch_no_register_req; - } - return &a->reg_data[out_pos].req.req; + return a->reg_data[pos].in_req; } -static const -arch_register_req_t *get_in_reg_req(const ir_node *irn, int pos) +static arch_irn_class_t be_node_classify(const ir_node *irn) { - const be_node_attr_t *a = get_irn_attr(irn); - - if(pos >= get_irn_arity(irn) || pos >= ARR_LEN(a->reg_data)) - return arch_no_register_req; - - return &a->reg_data[pos].in_req.req; -} - -static const arch_register_req_t * -be_node_get_irn_reg_req(const void *self, const ir_node *irn, int pos) -{ - int out_pos = pos; - - (void) self; - if (pos < 0) { - if (get_irn_mode(irn) == mode_T) - return arch_no_register_req; - - out_pos = redir_proj((const ir_node **)&irn); - assert(is_be_node(irn)); - return get_out_reg_req(irn, out_pos); - } else if (is_be_node(irn)) { - /* - * For spills and reloads, we return "none" as requirement for frame - * pointer, so every input is ok. Some backends need this (e.g. STA). - */ - if ((be_is_Spill(irn) && pos == be_pos_Spill_frame) || - (be_is_Reload(irn) && pos == be_pos_Reload_frame)) - return arch_no_register_req; - - return get_in_reg_req(irn, pos); + switch (get_irn_opcode(irn)) { + case beo_Spill: return arch_irn_class_spill; + case beo_Reload: return arch_irn_class_reload; + case beo_Perm: return arch_irn_class_perm; + case beo_Copy: return arch_irn_class_copy; + default: return 0; } - - return arch_no_register_req; } -const arch_register_t * -be_node_get_irn_reg(const void *self, const ir_node *irn) +static ir_entity *be_node_get_frame_entity(const ir_node *irn) { - be_reg_data_t *r; - - (void) self; - if (get_irn_mode(irn) == mode_T) - return NULL; - r = retrieve_reg_data(irn); - return r->reg; -} - -static arch_irn_class_t be_node_classify(const void *self, const ir_node *irn) -{ - redir_proj((const ir_node **) &irn); - - (void) self; - switch(be_get_irn_opcode(irn)) { -#define XXX(a,b) case beo_ ## a: return arch_irn_class_ ## b - XXX(Spill, spill); - XXX(Reload, reload); - XXX(Perm, perm); - XXX(Copy, copy); - XXX(Return, branch); - XXX(StackParam, stackparam); -#undef XXX - default: - return arch_irn_class_normal; - } - - return 0; -} - -static arch_irn_flags_t be_node_get_flags(const void *self, const ir_node *node) -{ - be_req_t *bereq; - int pos = -1; - (void) self; - - if(is_Proj(node)) { - pos = OUT_POS(get_Proj_proj(node)); - node = skip_Proj_const(node); - } - - bereq = get_be_req(node, pos); - - return bereq->flags; -} - -static ir_entity *be_node_get_frame_entity(const void *self, const ir_node *irn) -{ - (void) self; return be_get_frame_entity(irn); } -static void be_node_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent) +void be_node_set_frame_entity(ir_node *irn, ir_entity *ent) { be_frame_attr_t *a; - (void) self; assert(be_has_frame_entity(irn)); @@ -1303,19 +1089,25 @@ static void be_node_set_frame_entity(const void *self, ir_node *irn, ir_entity * a->ent = ent; } -static void be_node_set_frame_offset(const void *self, ir_node *irn, int offset) +static void be_node_set_frame_offset(ir_node *irn, int offset) { - (void) self; - if(be_has_frame_entity(irn)) { - be_frame_attr_t *a = get_irn_attr(irn); - a->offset = offset; - } + be_frame_attr_t *a; + + if (!be_has_frame_entity(irn)) + return; + + a = get_irn_attr(irn); + a->offset = offset; } -static int be_node_get_sp_bias(const void *self, const ir_node *irn) +static int be_node_get_sp_bias(const ir_node *irn) { - (void) self; - return be_is_IncSP(irn) ? be_get_IncSP_offset(irn) : 0; + if (be_is_IncSP(irn)) + return be_get_IncSP_offset(irn); + if (be_is_Call(irn)) + return -(int)be_Call_get_pop(irn); + + return 0; } /* @@ -1327,14 +1119,11 @@ static int be_node_get_sp_bias(const void *self, const ir_node *irn) */ -static const arch_irn_ops_if_t be_node_irn_ops_if = { - be_node_get_irn_reg_req, - be_node_set_irn_reg, - be_node_get_irn_reg, +/* for be nodes */ +static const arch_irn_ops_t be_node_irn_ops = { + be_node_get_in_reg_req, be_node_classify, - be_node_get_flags, be_node_get_frame_entity, - be_node_set_frame_entity, be_node_set_frame_offset, be_node_get_sp_bias, NULL, /* get_inverse */ @@ -1343,19 +1132,50 @@ static const arch_irn_ops_if_t be_node_irn_ops_if = { NULL, /* perform_memory_operand */ }; -static const arch_irn_ops_t be_node_irn_ops = { - &be_node_irn_ops_if -}; +static const arch_register_req_t *dummy_reg_req( + const ir_node *node, int pos) +{ + (void) node; + (void) pos; + return arch_no_register_req; +} + +static arch_irn_class_t dummy_classify(const ir_node *node) +{ + (void) node; + return 0; +} -const void *be_node_get_irn_ops(const arch_irn_handler_t *self, const ir_node *irn) +static ir_entity* dummy_get_frame_entity(const ir_node *node) { - redir_proj((const ir_node **) &irn); - (void) self; - return is_be_node(irn) ? &be_node_irn_ops : NULL; + (void) node; + return NULL; +} + +static void dummy_set_frame_offset(ir_node *node, int bias) +{ + (void) node; + (void) bias; + panic("dummy_set_frame_offset() should not be called"); } -const arch_irn_handler_t be_node_irn_handler = { - be_node_get_irn_ops +static int dummy_get_sp_bias(const ir_node *node) +{ + (void) node; + return 0; +} + +/* for "middleend" nodes */ +static const arch_irn_ops_t dummy_be_irn_ops = { + dummy_reg_req, + dummy_classify, + dummy_get_frame_entity, + dummy_set_frame_offset, + dummy_get_sp_bias, + NULL, /* get_inverse */ + NULL, /* get_op_estimated_cost */ + NULL, /* possible_memory_operand */ + NULL, /* perform_memory_operand */ }; /* @@ -1367,257 +1187,137 @@ const arch_irn_handler_t be_node_irn_handler = { */ -typedef struct { - const arch_register_t *reg; - arch_register_req_t req; - arch_irn_flags_t flags; -} phi_attr_t; - -typedef struct { - arch_irn_handler_t irn_handler; - arch_irn_ops_t irn_ops; - const arch_env_t *arch_env; - pmap *phi_attrs; -} phi_handler_t; - -#define get_phi_handler_from_handler(h) container_of(h, phi_handler_t, irn_handler) -#define get_phi_handler_from_ops(h) container_of(h, phi_handler_t, irn_ops) - -static -const void *phi_get_irn_ops(const arch_irn_handler_t *handler, - const ir_node *irn) +ir_node *be_new_Phi(ir_node *block, int n_ins, ir_node **ins, ir_mode *mode, + const arch_register_class_t *cls) { - const phi_handler_t *h; - if(!is_Phi(irn) || !mode_is_datab(get_irn_mode(irn))) - return NULL; + struct obstack *obst = be_get_be_obst(get_irn_irg(block)); + backend_info_t *info; - h = get_phi_handler_from_handler(handler); - return &h->irn_ops; -} - -static INLINE -phi_attr_t *get_Phi_attr(const phi_handler_t *handler, const ir_node *phi) -{ - phi_attr_t *attr = pmap_get(handler->phi_attrs, (void*) phi); - if(attr == NULL) { - ir_graph *irg = get_irn_irg(phi); - struct obstack *obst = get_irg_obstack(irg); - attr = obstack_alloc(obst, sizeof(attr[0])); - memset(attr, 0, sizeof(attr[0])); - pmap_insert(handler->phi_attrs, phi, attr); + ir_node *phi = new_r_Phi(block, n_ins, ins, mode); + info = be_get_info(phi); + info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1); + memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0])); + if (cls == NULL) { + info->out_infos[0].req = arch_no_register_req; + } else { + info->out_infos[0].req = cls->class_req; } - return attr; + return phi; } /** - * Get register class of a Phi. + * Guess correct register class of a phi node by looking at its arguments */ -static -const arch_register_req_t *get_Phi_reg_req_recursive(const phi_handler_t *h, - const ir_node *phi, - pset **visited) +static const arch_register_req_t *get_Phi_reg_req_recursive(const ir_node *phi, + pset **visited) { int n = get_irn_arity(phi); ir_node *op; int i; - if(*visited && pset_find_ptr(*visited, phi)) + if (*visited && pset_find_ptr(*visited, phi)) return NULL; - for(i = 0; i < n; ++i) { + for (i = 0; i < n; ++i) { op = get_irn_n(phi, i); /* Matze: don't we unnecessary constraint our phis with this? * we only need to take the regclass IMO*/ - if(!is_Phi(op)) - return arch_get_register_req(h->arch_env, op, BE_OUT_POS(0)); + if (!is_Phi(op)) + return arch_get_register_req_out(op); } /* * The operands of that Phi were all Phis themselves. * We have to start a DFS for a non-Phi argument now. */ - if(!*visited) + if (!*visited) *visited = pset_new_ptr(16); pset_insert_ptr(*visited, phi); - for(i = 0; i < n; ++i) { + for (i = 0; i < n; ++i) { const arch_register_req_t *req; op = get_irn_n(phi, i); - req = get_Phi_reg_req_recursive(h, op, visited); - if(req != NULL) + req = get_Phi_reg_req_recursive(op, visited); + if (req != NULL) return req; } return NULL; } -static -const arch_register_req_t *phi_get_irn_reg_req(const void *self, - const ir_node *irn, int pos) +static const arch_register_req_t *phi_get_irn_reg_req(const ir_node *node, + int pos) { - phi_handler_t *phi_handler = get_phi_handler_from_ops(self); - phi_attr_t *attr; - (void) self; + backend_info_t *info = be_get_info(node); + const arch_register_req_t *req = info->out_infos[0].req; (void) pos; - if(!mode_is_datab(get_irn_mode(irn))) - return arch_no_register_req; + if (req == NULL) { + if (!mode_is_datab(get_irn_mode(node))) { + req = arch_no_register_req; + } else { + pset *visited = NULL; - attr = get_Phi_attr(phi_handler, irn); + req = get_Phi_reg_req_recursive(node, &visited); + assert(req->cls != NULL); + req = req->cls->class_req; - if(attr->req.type == arch_register_req_type_none) { - pset *visited = NULL; - const arch_register_req_t *req; - req = get_Phi_reg_req_recursive(phi_handler, irn, &visited); - - memcpy(&attr->req, req, sizeof(req[0])); - assert(attr->req.cls != NULL); - attr->req.type = arch_register_req_type_normal; - - if(visited != NULL) - del_pset(visited); + if (visited != NULL) + del_pset(visited); + } + info->out_infos[0].req = req; } - return &attr->req; -} - -void be_set_phi_reg_req(const arch_env_t *arch_env, ir_node *node, - const arch_register_req_t *req) -{ - const arch_irn_ops_t *ops = arch_get_irn_ops(arch_env, node); - const phi_handler_t *handler = get_phi_handler_from_ops(ops); - phi_attr_t *attr; - - assert(mode_is_datab(get_irn_mode(node))); - - attr = get_Phi_attr(handler, node); - memcpy(&attr->req, req, sizeof(req[0])); + return req; } -void be_set_phi_flags(const arch_env_t *arch_env, ir_node *node, - arch_irn_flags_t flags) +void be_set_phi_reg_req(ir_node *node, const arch_register_req_t *req) { - const arch_irn_ops_t *ops = arch_get_irn_ops(arch_env, node); - const phi_handler_t *handler = get_phi_handler_from_ops(ops); - phi_attr_t *attr; + backend_info_t *info = be_get_info(node); + info->out_infos[0].req = req; assert(mode_is_datab(get_irn_mode(node))); - - attr = get_Phi_attr(handler, node); - attr->flags = flags; -} - -static -void phi_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg) -{ - phi_handler_t *h = get_phi_handler_from_ops(self); - phi_attr_t *attr = get_Phi_attr(h, irn); - attr->reg = reg; -} - -static -const arch_register_t *phi_get_irn_reg(const void *self, const ir_node *irn) -{ - phi_handler_t *h = get_phi_handler_from_ops(self); - phi_attr_t *attr = get_Phi_attr(h, irn); - return attr->reg; -} - -static -arch_irn_class_t phi_classify(const void *self, const ir_node *irn) -{ - (void) self; - (void) irn; - return arch_irn_class_normal; -} - -static -arch_irn_flags_t phi_get_flags(const void *self, const ir_node *irn) -{ - phi_handler_t *h = get_phi_handler_from_ops(self); - phi_attr_t *attr = get_Phi_attr(h, irn); - (void) self; - return attr->flags; -} - -static -ir_entity *phi_get_frame_entity(const void *self, const ir_node *irn) -{ - (void) self; - (void) irn; - return NULL; -} - -static -void phi_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent) -{ - (void) self; - (void) irn; - (void) ent; - assert(0); } -static -void phi_set_frame_offset(const void *self, ir_node *irn, int bias) -{ - (void) self; - (void) irn; - (void) bias; - assert(0); -} +void be_dump_phi_reg_reqs(FILE *F, ir_node *node, dump_reason_t reason) +{ + switch (reason) { + case dump_node_opcode_txt: + fputs(get_op_name(get_irn_op(node)), F); + break; + case dump_node_mode_txt: + fprintf(F, "%s", get_mode_name(get_irn_mode(node))); + break; + case dump_node_nodeattr_txt: + break; + case dump_node_info_txt: + { + backend_info_t *info = be_get_info(node); + if (info != NULL && info->out_infos[0].req != NULL) { + arch_dump_reqs_and_registers(F, node); + } + break; + } -static -int phi_get_sp_bias(const void* self, const ir_node *irn) -{ - (void) self; - (void) irn; - return 0; + default: + break; + } } -static -const arch_irn_ops_if_t phi_irn_ops = { +static const arch_irn_ops_t phi_irn_ops = { phi_get_irn_reg_req, - phi_set_irn_reg, - phi_get_irn_reg, - phi_classify, - phi_get_flags, - phi_get_frame_entity, - phi_set_frame_entity, - phi_set_frame_offset, - phi_get_sp_bias, + dummy_classify, + dummy_get_frame_entity, + dummy_set_frame_offset, + dummy_get_sp_bias, NULL, /* get_inverse */ NULL, /* get_op_estimated_cost */ NULL, /* possible_memory_operand */ NULL, /* perform_memory_operand */ }; -arch_irn_handler_t *be_phi_handler_new(const arch_env_t *arch_env) -{ - phi_handler_t *h = xmalloc(sizeof(h[0])); - h->irn_handler.get_irn_ops = phi_get_irn_ops; - h->irn_ops.impl = &phi_irn_ops; - h->arch_env = arch_env; - h->phi_attrs = pmap_create(); - return (arch_irn_handler_t *) h; -} - -void be_phi_handler_free(arch_irn_handler_t *handler) -{ - phi_handler_t *h = (void *) handler; - pmap_destroy(h->phi_attrs); - free(handler); -} - -void be_phi_handler_reset(arch_irn_handler_t *handler) -{ - phi_handler_t *h = get_phi_handler_from_handler(handler); - if(h->phi_attrs) - pmap_destroy(h->phi_attrs); - h->phi_attrs = pmap_create(); -} - /* _ _ _ ____ _ | \ | | ___ __| | ___ | _ \ _ _ _ __ ___ _ __ (_)_ __ __ _ @@ -1627,185 +1327,145 @@ void be_phi_handler_reset(arch_irn_handler_t *handler) |_| |___/ */ -/** - * Dumps a register requirement to a file. - */ -static void dump_node_req(FILE *f, int idx, const arch_register_req_t *req, - const ir_node *node) -{ - int did_something = 0; - char buf[16]; - const char *prefix = buf; - - snprintf(buf, sizeof(buf), "#%d ", idx); - buf[sizeof(buf) - 1] = '\0'; - - if(req->cls != 0) { - char tmp[256]; - fprintf(f, prefix); - arch_register_req_format(tmp, sizeof(tmp), req, node); - fprintf(f, "%s", tmp); - did_something = 1; - } - - if(did_something) - fprintf(f, "\n"); -} - -/** - * Dumps node register requirements to a file. - */ -static void dump_node_reqs(FILE *f, ir_node *node) -{ - int i; - be_node_attr_t *a = get_irn_attr(node); - int len = ARR_LEN(a->reg_data); - - fprintf(f, "registers: \n"); - for(i = 0; i < len; ++i) { - be_reg_data_t *rd = &a->reg_data[i]; - if(rd->reg) - fprintf(f, "#%d: %s\n", i, rd->reg->name); - } - - fprintf(f, "in requirements:\n"); - for(i = 0; i < len; ++i) { - dump_node_req(f, i, &a->reg_data[i].in_req.req, node); - } - - fprintf(f, "\nout requirements:\n"); - for(i = 0; i < len; ++i) { - dump_node_req(f, i, &a->reg_data[i].req.req, node); - } -} - /** * ir_op-Operation: dump a be node to file */ -static int dump_node(ir_node *irn, FILE *f, dump_reason_t reason) +static void dump_node(FILE *f, ir_node *irn, dump_reason_t reason) { - be_node_attr_t *at = get_irn_attr(irn); - assert(is_be_node(irn)); - switch(reason) { + switch (reason) { case dump_node_opcode_txt: - fprintf(f, get_op_name(get_irn_op(irn))); + fputs(get_op_name(get_irn_op(irn)), f); break; case dump_node_mode_txt: - fprintf(f, get_mode_name(get_irn_mode(irn))); + if (be_is_Copy(irn) || be_is_CopyKeep(irn)) { + fprintf(f, "%s", get_mode_name(get_irn_mode(irn))); + } break; case dump_node_nodeattr_txt: + if (be_is_Call(irn)) { + const be_call_attr_t *a = get_irn_generic_attr_const(irn); + if (a->ent) + fprintf(f, " [%s] ", get_entity_name(a->ent)); + } + if (be_is_IncSP(irn)) { + const be_incsp_attr_t *attr = get_irn_generic_attr_const(irn); + if (attr->offset == BE_STACK_FRAME_SIZE_EXPAND) { + fprintf(f, " [Setup Stackframe] "); + } else if (attr->offset == BE_STACK_FRAME_SIZE_SHRINK) { + fprintf(f, " [Destroy Stackframe] "); + } else { + fprintf(f, " [%d] ", attr->offset); + } + } break; case dump_node_info_txt: - dump_node_reqs(f, irn); + arch_dump_reqs_and_registers(f, irn); - if(be_has_frame_entity(irn)) { - be_frame_attr_t *a = (be_frame_attr_t *) at; + if (be_has_frame_entity(irn)) { + const be_frame_attr_t *a = get_irn_generic_attr_const(irn); if (a->ent) { - int bits = get_type_size_bits(get_entity_type(a->ent)); - ir_fprintf(f, "frame entity: %+F, offset 0x%x (%d), size 0x%x (%d) bits\n", - a->ent, a->offset, a->offset, bits, bits); + unsigned size = get_type_size_bytes(get_entity_type(a->ent)); + ir_fprintf(f, "frame entity: %+F, offset 0x%x (%d), size 0x%x (%d) bytes\n", + a->ent, a->offset, a->offset, size, size); } } - switch(be_get_irn_opcode(irn)) { - case beo_IncSP: - { - be_stack_attr_t *a = (be_stack_attr_t *) at; - if (a->offset == BE_STACK_FRAME_SIZE_EXPAND) - fprintf(f, "offset: FRAME_SIZE\n"); - else if(a->offset == BE_STACK_FRAME_SIZE_SHRINK) - fprintf(f, "offset: -FRAME SIZE\n"); - else - fprintf(f, "offset: %u\n", a->offset); - } + switch (get_irn_opcode(irn)) { + case beo_IncSP: { + const be_incsp_attr_t *a = get_irn_generic_attr_const(irn); + fprintf(f, "align: %d\n", a->align); + if (a->offset == BE_STACK_FRAME_SIZE_EXPAND) + fprintf(f, "offset: FRAME_SIZE\n"); + else if (a->offset == BE_STACK_FRAME_SIZE_SHRINK) + fprintf(f, "offset: -FRAME SIZE\n"); + else + fprintf(f, "offset: %d\n", a->offset); break; - case beo_Call: - { - be_call_attr_t *a = (be_call_attr_t *) at; + } + case beo_Call: { + const be_call_attr_t *a = get_irn_generic_attr_const(irn); - if (a->ent) - fprintf(f, "\ncalling: %s\n", get_entity_name(a->ent)); - } + if (a->ent) + fprintf(f, "\ncalling: %s\n", get_entity_name(a->ent)); break; - case beo_MemPerm: - { - int i; - for(i = 0; i < be_get_MemPerm_entity_arity(irn); ++i) { - ir_entity *in, *out; - in = be_get_MemPerm_in_entity(irn, i); - out = be_get_MemPerm_out_entity(irn, i); - if(in) { - fprintf(f, "\nin[%d]: %s\n", i, get_entity_name(in)); - } - if(out) { - fprintf(f, "\nout[%d]: %s\n", i, get_entity_name(out)); - } + } + case beo_MemPerm: { + int i; + for (i = 0; i < be_get_MemPerm_entity_arity(irn); ++i) { + ir_entity *in, *out; + in = be_get_MemPerm_in_entity(irn, i); + out = be_get_MemPerm_out_entity(irn, i); + if (in) { + fprintf(f, "\nin[%d]: %s\n", i, get_entity_name(in)); + } + if (out) { + fprintf(f, "\nout[%d]: %s\n", i, get_entity_name(out)); } } break; + } default: break; } } - - return 0; } /** * ir_op-Operation: * Copies the backend specific attributes from old node to new node. */ -static void copy_attr(const ir_node *old_node, ir_node *new_node) +static void copy_attr(ir_graph *irg, const ir_node *old_node, ir_node *new_node) { - be_node_attr_t *old_attr = get_irn_attr(old_node); + const be_node_attr_t *old_attr = get_irn_attr_const(old_node); be_node_attr_t *new_attr = get_irn_attr(new_node); - struct obstack *obst = get_irg_obstack(get_irn_irg(new_node)); - unsigned i, len; + struct obstack *obst = be_get_be_obst(irg); + backend_info_t *old_info = be_get_info(old_node); + backend_info_t *new_info = be_get_info(new_node); assert(is_be_node(old_node)); assert(is_be_node(new_node)); memcpy(new_attr, old_attr, get_op_attr_size(get_irn_op(old_node))); - new_attr->reg_data = NULL; - - if(old_attr->reg_data != NULL) - len = ARR_LEN(old_attr->reg_data); - else - len = 0; - if(get_irn_op(old_node)->opar == oparity_dynamic - || be_is_RegParams(old_node)) { - new_attr->reg_data = NEW_ARR_F(be_reg_data_t, len); + if (old_info->out_infos != NULL) { + unsigned n_outs = ARR_LEN(old_info->out_infos); + /* need dyanmic out infos? */ + if (be_is_Barrier(new_node) || be_is_Perm(new_node)) { + new_info->out_infos = NEW_ARR_F(reg_out_info_t, n_outs); + } else { + new_info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_outs); + } + memcpy(new_info->out_infos, old_info->out_infos, + n_outs * sizeof(new_info->out_infos[0])); } else { - new_attr->reg_data = NEW_ARR_D(be_reg_data_t, obst, len); + new_info->out_infos = NULL; } - if(len > 0) { - memcpy(new_attr->reg_data, old_attr->reg_data, len * sizeof(be_reg_data_t)); - for(i = 0; i < len; ++i) { - const be_reg_data_t *rd = &old_attr->reg_data[i]; - be_reg_data_t *newrd = &new_attr->reg_data[i]; - if(arch_register_req_is(&rd->req.req, limited)) { - const arch_register_req_t *req = &rd->req.req; - arch_register_req_t *new_req = &newrd->req.req; - new_req->limited - = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs); - } - if(arch_register_req_is(&rd->in_req.req, limited)) { - const arch_register_req_t *req = &rd->in_req.req; - arch_register_req_t *new_req = &newrd->in_req.req; - new_req->limited - = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs); - } + /* input infos */ + if (old_attr->reg_data != NULL) { + unsigned n_ins = ARR_LEN(old_attr->reg_data); + /* need dynamic in infos? */ + if (get_irn_op(old_node)->opar == oparity_dynamic) { + new_attr->reg_data = NEW_ARR_F(be_reg_data_t, n_ins); + } else { + new_attr->reg_data = NEW_ARR_D(be_reg_data_t, obst, n_ins); } + memcpy(new_attr->reg_data, old_attr->reg_data, + n_ins * sizeof(be_reg_data_t)); + } else { + new_attr->reg_data = NULL; } } static const ir_op_ops be_node_op_ops = { + firm_default_hash, + NULL, + NULL, + NULL, NULL, NULL, NULL, @@ -1818,5 +1478,58 @@ static const ir_op_ops be_node_op_ops = { NULL, NULL, dump_node, - NULL + NULL, + &be_node_irn_ops }; + +int is_be_node(const ir_node *irn) +{ + return get_op_ops(get_irn_op(irn))->be_ops == &be_node_irn_ops; +} + +void be_init_op(void) +{ + ir_opcode opc; + + /* Acquire all needed opcodes. */ + op_be_Spill = new_ir_op(beo_Spill, "be_Spill", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_Reload = new_ir_op(beo_Reload, "be_Reload", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_Perm = new_ir_op(beo_Perm, "be_Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_MemPerm = new_ir_op(beo_MemPerm, "be_MemPerm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_memperm_attr_t), &be_node_op_ops); + op_be_Copy = new_ir_op(beo_Copy, "be_Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Keep = new_ir_op(beo_Keep, "be_Keep", op_pin_state_floats, K, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_CopyKeep = new_ir_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_floats, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Call = new_ir_op(beo_Call, "be_Call", op_pin_state_pinned, F|M, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops); + op_be_Return = new_ir_op(beo_Return, "be_Return", op_pin_state_pinned, X, oparity_dynamic, 0, sizeof(be_return_attr_t), &be_node_op_ops); + op_be_AddSP = new_ir_op(beo_AddSP, "be_AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_SubSP = new_ir_op(beo_SubSP, "be_SubSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_IncSP = new_ir_op(beo_IncSP, "be_IncSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_incsp_attr_t), &be_node_op_ops); + op_be_Start = new_ir_op(beo_Start, "be_Start", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_FrameAddr = new_ir_op(beo_FrameAddr, "be_FrameAddr", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_Barrier = new_ir_op(beo_Barrier, "be_Barrier", op_pin_state_pinned, N, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops); + + op_be_Spill->ops.node_cmp_attr = FrameAddr_cmp_attr; + op_be_Reload->ops.node_cmp_attr = FrameAddr_cmp_attr; + op_be_Perm->ops.node_cmp_attr = node_cmp_attr; + op_be_MemPerm->ops.node_cmp_attr = node_cmp_attr; + op_be_Copy->ops.node_cmp_attr = node_cmp_attr; + op_be_Keep->ops.node_cmp_attr = node_cmp_attr; + op_be_CopyKeep->ops.node_cmp_attr = node_cmp_attr; + op_be_Call->ops.node_cmp_attr = Call_cmp_attr; + op_be_Return->ops.node_cmp_attr = Return_cmp_attr; + op_be_AddSP->ops.node_cmp_attr = node_cmp_attr; + op_be_SubSP->ops.node_cmp_attr = node_cmp_attr; + op_be_IncSP->ops.node_cmp_attr = IncSP_cmp_attr; + op_be_Start->ops.node_cmp_attr = node_cmp_attr; + op_be_FrameAddr->ops.node_cmp_attr = FrameAddr_cmp_attr; + op_be_Barrier->ops.node_cmp_attr = node_cmp_attr; + + /* attach out dummy_ops to middle end nodes */ + for (opc = iro_First; opc <= iro_Last; ++opc) { + ir_op *op = get_irp_opcode(opc); + assert(op->ops.be_ops == NULL); + op->ops.be_ops = &dummy_be_irn_ops; + } + + op_Phi->ops.be_ops = &phi_irn_ops; +}