X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fmips%2Fmips_new_nodes.c;h=ec507f7c753c8bb71b64c25668495dfbb0772953;hb=ef63002fcb03a29f1b4e041c067d0fa8546bed96;hp=df70986fdf8158b976aa69ba838467083f5367ee;hpb=9076361d98ade23d6477176733fea4a2d8f55472;p=libfirm diff --git a/ir/be/mips/mips_new_nodes.c b/ir/be/mips/mips_new_nodes.c index df70986fd..ec507f7c7 100644 --- a/ir/be/mips/mips_new_nodes.c +++ b/ir/be/mips/mips_new_nodes.c @@ -1,17 +1,31 @@ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + /** - * This file implements the creation of the achitecture specific firm opcodes - * and the coresponding node constructors for the mips assembler irg. - * $Id$ + * @file + * @brief This file implements the creation of the architecture specific firm + * opcodes and the corresponding node constructors for the MIPS + * assembler irg. + * @author Matthias Braun, Mehdi + * @version $Id$ */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif - -#ifdef _WIN32 -#include -#else -#include -#endif #include @@ -22,9 +36,9 @@ #include "ircons_t.h" #include "iropt_t.h" #include "irop.h" -#include "firm_common_t.h" #include "irvrfy_t.h" #include "irprintf.h" +#include "xmalloc.h" #include "../bearch.h" @@ -45,52 +59,6 @@ * |_| ***********************************************************************************/ -/** - * Dumps the register requirements for either in or out. - */ -static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, int inout) { - char *dir = inout ? "out" : "in"; - int max = inout ? get_mips_n_res(n) : get_irn_arity(n); - char buf[1024]; - int i; - - memset(buf, 0, sizeof(buf)); - - if (reqs) { - for (i = 0; i < max; i++) { - fprintf(F, "%sreq #%d =", dir, i); - - if (reqs[i]->type == arch_register_req_type_none) { - fprintf(F, " n/a"); - } - - if (reqs[i]->type & arch_register_req_type_normal) { - fprintf(F, " %s", reqs[i]->cls->name); - } - - if (reqs[i]->type & arch_register_req_type_limited) { - fprintf(F, " %s", - arch_register_req_format(buf, sizeof(buf), reqs[i], n)); - } - - if (reqs[i]->type & arch_register_req_type_should_be_same) { - ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->other_same)); - } - - if (reqs[i]->type & arch_register_req_type_should_be_different) { - ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->other_different)); - } - - fprintf(F, "\n"); - } - - fprintf(F, "\n"); - } else { - fprintf(F, "%sreq = N/A\n", dir); - } -} - - /** * Dumper interface for dumping mips nodes in vcg. * @param n the node to dump @@ -98,110 +66,52 @@ static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, * @param reason indicates which kind of information should be dumped * @return 0 on success or != 0 on failure */ -static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { - ir_mode *mode = NULL; - int bad = 0; - int i; - mips_attr_t *attr; - char buf[64]; - const arch_register_req_t **reqs; - const arch_register_t **slots; - +static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) +{ switch (reason) { case dump_node_opcode_txt: fprintf(F, "%s", get_irn_opname(n)); break; case dump_node_mode_txt: - mode = get_irn_mode(n); - - if (mode) { - fprintf(F, "[%s]", get_mode_name(mode)); - } - else { - fprintf(F, "[?NOMODE?]"); - } break; case dump_node_nodeattr_txt: - /* TODO: dump some attributes which should show up */ - /* in node name in dump (e.g. consts or the like) */ - - break; - - case dump_node_info_txt: - attr = get_mips_attr(n); - fprintf(F, "=== mips attr begin ===\n"); - - /* dump IN requirements */ - if (get_irn_arity(n) > 0) { - reqs = get_mips_in_req_all(n); - dump_reg_req(F, n, reqs, 0); - } - - /* dump OUT requirements */ - if (attr->n_res > 0) { - reqs = get_mips_out_req_all(n); - dump_reg_req(F, n, reqs, 1); - } - - /* dump assigned registers */ - slots = get_mips_slots(n); - if (slots && attr->n_res > 0) { - for (i = 0; i < attr->n_res; i++) { - if (slots[i]) { - fprintf(F, "reg #%d = %s\n", i, slots[i]->name); + if (is_mips_Immediate(n)) { + const mips_immediate_attr_t *attr + = get_mips_immediate_attr_const(n); + switch (attr->imm_type) { + case MIPS_IMM_CONST: + fprintf(F, " %ld ", attr->val); + break; + case MIPS_IMM_SYMCONST_LO: + fprintf(F, " lo(%s", get_entity_ld_name(attr->entity)); + if (attr->val != 0) { + fprintf(F, "%+ld", attr->val); } - else { - fprintf(F, "reg #%d = n/a\n", i); + fprintf(F, ") "); + break; + case MIPS_IMM_SYMCONST_HI: + fprintf(F, " hi(%s", get_entity_ld_name(attr->entity)); + if (attr->val != 0) { + fprintf(F, "%+ld", attr->val); } + fprintf(F, ") "); + break; + default: + fprintf(F, " INVALID "); + break; } } - fprintf(F, "\n"); - - /* dump n_res */ - fprintf(F, "n_res = %d\n", get_mips_n_res(n)); - - /* dump flags */ - fprintf(F, "flags ="); - if (attr->flags == arch_irn_flags_none) { - fprintf(F, " none"); - } - else { - if (attr->flags & arch_irn_flags_dont_spill) { - fprintf(F, " unspillable"); - } - if (attr->flags & arch_irn_flags_rematerializable) { - fprintf(F, " remat"); - } - if (attr->flags & arch_irn_flags_ignore) { - fprintf(F, " ignore"); - } - } - fprintf(F, " (%d)\n", attr->flags); - - if(attr->modes.load_store_mode != NULL) { - fprintf(F, " load_store_mode %s\n", get_mode_name(attr->modes.load_store_mode)); - } - if(attr->stack_entity != NULL) { - fprintf(F, " stack entity %s\n", get_entity_name(attr->stack_entity)); - } - if(attr->tv != NULL) { - tarval_snprintf(buf, sizeof(buf), attr->tv); - fprintf(F, " tarval %s\n", buf); - } - if(attr->symconst_id != NULL) { - fprintf(F, " symconst '%s'\n", get_id_str(attr->symconst_id)); - } + break; - fprintf(F, "=== mips attr end ===\n"); - /* end of: case dump_node_info_txt */ + case dump_node_info_txt: + arch_dump_reqs_and_registers(F, n); break; } - - return bad; + return 0; } @@ -217,238 +127,151 @@ static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { * |___/ ***************************************************************************************************/ -/** - * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast. - * Firm was made by people hating const :-( - */ -mips_attr_t *get_mips_attr(const ir_node *node) { +mips_attr_t *get_mips_attr(ir_node *node) +{ assert(is_mips_irn(node) && "need mips node to get attributes"); - return (mips_attr_t *)get_irn_generic_attr((ir_node *)node); + return (mips_attr_t *) get_irn_generic_attr(node); } -/** - * Returns the argument register requirements of a mips node. - */ -const arch_register_req_t **get_mips_in_req_all(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); - return attr->in_req; +const mips_attr_t *get_mips_attr_const(const ir_node *node) +{ + assert(is_mips_irn(node) && "need mips node to get attributes"); + return get_irn_generic_attr_const(node); } -/** - * Returns the result register requirements of an mips node. - */ -const arch_register_req_t **get_mips_out_req_all(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); - return attr->out_req; +const mips_immediate_attr_t *get_mips_immediate_attr_const(const ir_node *node) +{ + assert(is_mips_irn(node) && "need mips node to get attributes"); + return get_irn_generic_attr_const(node); } -/** - * Returns the argument register requirement at position pos of an mips node. - */ -const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); - return attr->in_req[pos]; +const mips_load_store_attr_t *get_mips_load_store_attr_const( + const ir_node *node) +{ + assert(is_mips_irn(node) && "need mips node to get attributes"); + return get_irn_generic_attr_const(node); } /** - * Returns the result register requirement at position pos of an mips node. + * Returns the argument register requirements of a mips node. */ -const arch_register_req_t *get_mips_out_req(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); - return attr->out_req[pos]; +const arch_register_req_t **get_mips_in_req_all(const ir_node *node) +{ + const mips_attr_t *attr = get_mips_attr_const(node); + return attr->in_req; } /** - * Sets the OUT register requirements at position pos. + * Returns the argument register requirement at position pos of an mips node. */ -void set_mips_req_out(ir_node *node, const arch_register_req_t *req, int pos) { - mips_attr_t *attr = get_mips_attr(node); - attr->out_req[pos] = req; +const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos) +{ + const mips_attr_t *attr = get_mips_attr_const(node); + return attr->in_req[pos]; } /** * Sets the IN register requirements at position pos. */ -void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos) { +void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos) +{ mips_attr_t *attr = get_mips_attr(node); attr->in_req[pos] = req; } /** - * Returns the register flag of an mips node. - */ -arch_irn_flags_t get_mips_flags(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); - return attr->flags; -} - -/** - * Sets the register flag of an mips node. - */ -void set_mips_flags(const ir_node *node, arch_irn_flags_t flags) { - mips_attr_t *attr = get_mips_attr(node); - attr->flags = flags; -} - -/** - * Returns the result register slots of an mips node. + * Initializes the nodes attributes. */ -const arch_register_t **get_mips_slots(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); - return attr->slots; +static void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, + const arch_register_req_t **in_reqs, + const be_execution_unit_t ***execution_units, + int n_res) +{ + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = get_irg_obstack(irg); + mips_attr_t *attr = get_mips_attr(node); + backend_info_t *info; + (void) execution_units; + + arch_irn_set_flags(node, flags); + attr->in_req = in_reqs; + + info = be_get_info(node); + info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res); + memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0])); } -/** - * Returns the name of the OUT register at position pos. - */ -const char *get_mips_out_reg_name(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); - - assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); - assert(attr->slots[pos] && "No register assigned"); +static void init_mips_immediate_attributes(ir_node *node, + mips_immediate_type_t type, + ir_entity *entity, long val) +{ + mips_immediate_attr_t *attr = get_irn_generic_attr(node); - return arch_register_get_name(attr->slots[pos]); + attr->imm_type = type; + attr->entity = entity; + attr->val = val; } -/** - * Returns the index of the OUT register at position pos within its register class. - */ -int get_mips_out_regnr(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); - - assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); - assert(attr->slots[pos] && "No register assigned"); - - return arch_register_get_index(attr->slots[pos]); +static void init_mips_load_store_attributes(ir_node *node, ir_entity *entity, + long offset) +{ + mips_load_store_attr_t *attr = get_irn_generic_attr(node); + attr->stack_entity = entity; + attr->offset = offset; } -/** - * Returns the OUT register at position pos. - */ -const arch_register_t *get_mips_out_reg(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); - - assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); - assert(attr->slots[pos] && "No register assigned"); - - return attr->slots[pos]; -} +static int mips_compare_nodes_attr(ir_node *node_a, ir_node *node_b) +{ + const mips_attr_t *a = get_mips_attr_const(node_a); + const mips_attr_t *b = get_mips_attr_const(node_b); -/** - * Sets the number of results. - */ -void set_mips_n_res(ir_node *node, int n_res) { - mips_attr_t *attr = get_mips_attr(node); - attr->n_res = n_res; -} + if (a->switch_default_pn != b->switch_default_pn) + return 1; -/** - * Returns the number of results. - */ -int get_mips_n_res(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); - return attr->n_res; + return 0; } -/** - * Initializes the nodes attributes. - */ -void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, const arch_register_req_t **in_reqs, - const arch_register_req_t **out_reqs, - const be_execution_unit_t ***execution_units, - int n_res, unsigned latency) +static int mips_compare_immediate_attr(ir_node *node_a, ir_node *node_b) { - mips_attr_t *attr = get_mips_attr(node); - - attr->flags = flags; - attr->out_req = out_reqs; + const mips_immediate_attr_t *a = get_mips_immediate_attr_const(node_a); + const mips_immediate_attr_t *b = get_mips_immediate_attr_const(node_b); - attr->n_res = n_res; - attr->in_req = in_reqs; + if (a->val != b->val) + return 1; - memset((void *)attr->slots, 0, n_res * sizeof(attr->slots[0])); + return 0; } -/************************************************************************ - * ___ _____ _ _ _ - * |_ _| ___|__ | | __| (_)_ __ __ _ - * | || |_ / _ \| |/ _` | | '_ \ / _` | - * | || _| (_) | | (_| | | | | | (_| | - * |___|_| \___/|_|\__,_|_|_| |_|\__, | - * |___/ - ************************************************************************/ - -// test if a tarval can be expressed in a 16bit immediate value -static int is_tarval_16(ir_node* node) +static int mips_compare_load_store_attr(ir_node *node_a, ir_node *node_b) { - mips_attr_t *attr = get_mips_attr(node); - tarval* tv = attr->tv; - long val = get_tarval_long(tv); - if(get_mode_sign(get_irn_mode(node))) { - if(val < -32768 || val > 32767) - return 0; - } else { - unsigned long uval = (unsigned long) val; - if(uval > 65536) - return 0; - } + const mips_load_store_attr_t *a = get_mips_load_store_attr_const(node_a); + const mips_load_store_attr_t *b = get_mips_load_store_attr_const(node_b); - return 1; -} + if (mips_compare_nodes_attr(node_a, node_b)) + return 1; + if (a->stack_entity != b->stack_entity) + return 1; + if (a->offset != b->offset) + return 1; -#define MIPS_MAKE_IFOLDING_TRANSFORM(srcnode, inode, commutative) \ -ir_node *mips_transform_##srcnode(ir_node* node) \ -{ \ - ir_node* op1 = get_irn_n(node, 0); \ - ir_node* op2 = get_irn_n(node, 1); \ - ir_node* result; \ - if(op1 == NULL || op2 == NULL) \ - return node; \ - \ - if((is_mips_lli(op2) || is_mips_lui(op2)) && is_tarval_16(op2)) { \ - mips_attr_t *attr, *op_attr = get_mips_attr(op2); \ - long val = get_tarval_long(op_attr->tv); \ - result = new_rd_mips_##inode(get_irn_dbg_info(node), get_irn_irg(node), get_nodes_block(node), \ - op1); \ - attr = get_mips_attr(result); \ - attr->tv = new_tarval_from_long(val, get_mode_sign(get_irn_mode(node)) ? mode_Hs : mode_Hu); \ - return result; \ - } \ - \ - if(commutative && (is_mips_lli(op1) || is_mips_lui(op1)) && is_tarval_16(op1)) { \ - mips_attr_t *attr, *op_attr = get_mips_attr(op1); \ - long val = get_tarval_long(op_attr->tv); \ - result = new_rd_mips_##inode(get_irn_dbg_info(node), get_irn_irg(node), get_nodes_block(node), \ - op2); \ - attr = get_mips_attr(result); \ - attr->tv = new_tarval_from_long(val, get_mode_sign(get_irn_mode(node)) ? mode_Hs : mode_Hu); \ - return result; \ - } \ - \ - return node; \ + return 0; } -MIPS_MAKE_IFOLDING_TRANSFORM(addu, addiu, 1) -MIPS_MAKE_IFOLDING_TRANSFORM(and, andi, 1) -MIPS_MAKE_IFOLDING_TRANSFORM(or, ori, 1) -MIPS_MAKE_IFOLDING_TRANSFORM(sra, srai, 0) -MIPS_MAKE_IFOLDING_TRANSFORM(xor, xori, 1) -MIPS_MAKE_IFOLDING_TRANSFORM(sl, sli, 0) -MIPS_MAKE_IFOLDING_TRANSFORM(sr, sri, 0) -MIPS_MAKE_IFOLDING_TRANSFORM(slt, slti, 0) - -void mips_init_opcode_transforms(void) { - op_mips_addu->ops.transform_node = mips_transform_addu; - op_mips_and->ops.transform_node = mips_transform_and; - op_mips_or->ops.transform_node = mips_transform_or; - op_mips_sra->ops.transform_node = mips_transform_sra; - op_mips_xor->ops.transform_node = mips_transform_xor; - op_mips_sl->ops.transform_node = mips_transform_sl; - op_mips_sr->ops.transform_node = mips_transform_sr; - op_mips_slt->ops.transform_node = mips_transform_slt; +static void mips_copy_attr(const ir_node *old_node , ir_node *new_node) +{ + ir_graph *irg = get_irn_irg(new_node); + struct obstack *obst = get_irg_obstack(irg); + const mips_attr_t *attr_old = get_mips_attr_const(old_node); + mips_attr_t *attr_new = get_mips_attr(new_node); + backend_info_t *old_info = be_get_info(old_node); + backend_info_t *new_info = be_get_info(new_node); + + /* copy the attributes */ + memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node))); + + /* copy out flags */ + new_info->out_infos = + DUP_ARR_D(reg_out_info_t, obst, old_info->out_infos); } /***************************************************************************************