X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fmips%2Fmips_new_nodes.c;h=029f6b2366b996dfa93b1ae8186cb9cd522e6112;hb=f7dfa0917a2f0469129bbf9b4c0884d37810abcd;hp=05cb5abb2f828f8862d5892767f05e52e2b27d5f;hpb=1161999117f5c0f56b3af2dc9bb7150e03761905;p=libfirm diff --git a/ir/be/mips/mips_new_nodes.c b/ir/be/mips/mips_new_nodes.c index 05cb5abb2..029f6b236 100644 --- a/ir/be/mips/mips_new_nodes.c +++ b/ir/be/mips/mips_new_nodes.c @@ -1,18 +1,34 @@ +/* + * Copyright (C) 1995-2007 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 #include "irprog_t.h" @@ -25,8 +41,9 @@ #include "firm_common_t.h" #include "irvrfy_t.h" #include "irprintf.h" +#include "xmalloc.h" -#include "../bearch.h" +#include "../bearch_t.h" #include "mips_nodes_attr.h" #include "mips_new_nodes.h" @@ -45,77 +62,50 @@ * |_| ***********************************************************************************/ -/** - * Returns a string containing the names of all registers within the limited bitset - */ -static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) { - bitset_t *bs = bitset_alloca(req->cls->n_regs); - char *p = buf; - int size = 0; - int i, cnt; - - req->limited(NULL, bs); - - for (i = 0; i < req->cls->n_regs; i++) { - if (bitset_is_set(bs, i)) { - cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name); - if (cnt < 0) { - fprintf(stderr, "dumper problem, exiting\n"); - exit(1); - } - - p += cnt; - size += cnt; - - if (size >= max) - break; - } - } - - return buf; -} - /** * Dumps the register requirements for either in or out. */ -static void dump_reg_req(FILE *F, ir_node *n, const mips_register_req_t **reqs, int inout) { +static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, + int inout) +{ + const mips_attr_t *attr = get_mips_attr_const(n); char *dir = inout ? "out" : "in"; - int max = inout ? get_mips_n_res(n) : get_irn_arity(n); - char *buf = alloca(1024); + int max = inout ? ARR_LEN(attr->slots) : get_irn_arity(n); + char buf[1024]; int i; - memset(buf, 0, 1024); + memset(buf, 0, sizeof(buf)); if (reqs) { for (i = 0; i < max; i++) { fprintf(F, "%sreq #%d =", dir, i); - if (reqs[i]->req.type == arch_register_req_type_none) { + if (reqs[i]->type == arch_register_req_type_none) { fprintf(F, " n/a"); } - if (reqs[i]->req.type & arch_register_req_type_normal) { - fprintf(F, " %s", reqs[i]->req.cls->name); + if (reqs[i]->type & arch_register_req_type_normal) { + fprintf(F, " %s", reqs[i]->cls->name); } - if (reqs[i]->req.type & arch_register_req_type_limited) { - fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024)); + 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]->req.type & arch_register_req_type_should_be_same) { - ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos)); + 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]->req.type & arch_register_req_type_should_be_different) { - ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos)); + 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 { + } else { fprintf(F, "%sreq = N/A\n", dir); } } @@ -129,12 +119,10 @@ static void dump_reg_req(FILE *F, ir_node *n, const mips_register_req_t **reqs, * @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 mips_register_req_t **reqs; + const mips_attr_t *attr = get_mips_attr_const(n); + const arch_register_req_t **reqs; const arch_register_t **slots; switch (reason) { @@ -143,21 +131,36 @@ static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { 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) */ - + 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); + } + 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; + } + } break; case dump_node_info_txt: @@ -171,15 +174,15 @@ static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { } /* dump OUT requirements */ - if (attr->n_res > 0) { + if (ARR_LEN(attr->slots) > 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 && ARR_LEN(attr->slots) > 0) { + for (i = 0; i < ARR_LEN(attr->slots); i++) { if (slots[i]) { fprintf(F, "reg #%d = %s\n", i, slots[i]->name); } @@ -191,7 +194,7 @@ static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { fprintf(F, "\n"); /* dump n_res */ - fprintf(F, "n_res = %d\n", get_mips_n_res(n)); + fprintf(F, "n_res = %d\n", ARR_LEN(attr->slots)); /* dump flags */ fprintf(F, "flags ="); @@ -211,20 +214,6 @@ static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) { } 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)); - } - fprintf(F, "=== mips attr end ===\n"); /* end of: case dump_node_info_txt */ break; @@ -247,51 +236,72 @@ 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); +} + +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); +} + +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); +} + +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 argument register requirements of a mips node. */ -const mips_register_req_t **get_mips_in_req_all(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); +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; } /** * Returns the result register requirements of an mips node. */ -const mips_register_req_t **get_mips_out_req_all(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); +const arch_register_req_t **get_mips_out_req_all(const ir_node *node) +{ + const mips_attr_t *attr = get_mips_attr_const(node); return attr->out_req; } /** * Returns the argument register requirement at position pos of an mips node. */ -const mips_register_req_t *get_mips_in_req(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); +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]; } /** * Returns the result register requirement at position pos of an mips node. */ -const mips_register_req_t *get_mips_out_req(const ir_node *node, int pos) { - mips_attr_t *attr = get_mips_attr(node); +const arch_register_req_t *get_mips_out_req(const ir_node *node, int pos) +{ + const mips_attr_t *attr = get_mips_attr_const(node); return attr->out_req[pos]; } /** * Sets the OUT register requirements at position pos. */ -void set_mips_req_out(ir_node *node, const mips_register_req_t *req, int pos) { +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; } @@ -299,7 +309,8 @@ void set_mips_req_out(ir_node *node, const mips_register_req_t *req, int pos) { /** * Sets the IN register requirements at position pos. */ -void set_mips_req_in(ir_node *node, const mips_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; } @@ -307,15 +318,17 @@ void set_mips_req_in(ir_node *node, const mips_register_req_t *req, int pos) { /** * 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); +arch_irn_flags_t get_mips_flags(const ir_node *node) +{ + const mips_attr_t *attr = get_mips_attr_const(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) { +void set_mips_flags(ir_node *node, arch_irn_flags_t flags) +{ mips_attr_t *attr = get_mips_attr(node); attr->flags = flags; } @@ -323,19 +336,21 @@ void set_mips_flags(const ir_node *node, arch_irn_flags_t flags) { /** * Returns the result register slots of an mips node. */ -const arch_register_t **get_mips_slots(const ir_node *node) { - mips_attr_t *attr = get_mips_attr(node); +const arch_register_t **get_mips_slots(const ir_node *node) +{ + const mips_attr_t *attr = get_mips_attr_const(node); return attr->slots; } /** * 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); +const char *get_mips_out_reg_name(const ir_node *node, int pos) +{ + const mips_attr_t *attr = get_mips_attr_const(node); assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); + assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position."); assert(attr->slots[pos] && "No register assigned"); return arch_register_get_name(attr->slots[pos]); @@ -344,11 +359,12 @@ const char *get_mips_out_reg_name(const ir_node *node, int pos) { /** * 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); +int get_mips_out_regnr(const ir_node *node, int pos) +{ + const mips_attr_t *attr = get_mips_attr_const(node); assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); + assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position."); assert(attr->slots[pos] && "No register assigned"); return arch_register_get_index(attr->slots[pos]); @@ -357,126 +373,114 @@ int get_mips_out_regnr(const ir_node *node, int pos) { /** * 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); +const arch_register_t *get_mips_out_reg(const ir_node *node, int pos) +{ + const mips_attr_t *attr = get_mips_attr_const(node); assert(is_mips_irn(node) && "Not an mips node."); - assert(pos < attr->n_res && "Invalid OUT position."); + assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position."); assert(attr->slots[pos] && "No register assigned"); return attr->slots[pos]; } /** - * Sets the number of results. + * Initializes the nodes attributes. */ -void set_mips_n_res(ir_node *node, int n_res) { - mips_attr_t *attr = get_mips_attr(node); - attr->n_res = n_res; +static 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) +{ + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = get_irg_obstack(irg); + mips_attr_t *attr = get_mips_attr(node); + (void) execution_units; + (void) latency; + + attr->flags = flags; + attr->out_req = out_reqs; + attr->in_req = in_reqs; + + attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res); + memset(attr->slots, 0, n_res * sizeof(attr->slots[0])); } -/** - * 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; +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); + + attr->imm_type = type; + attr->entity = entity; + attr->val = val; } -/** - * Initializes the nodes attributes. - */ -void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, const mips_register_req_t **in_reqs, - const mips_register_req_t **out_reqs, int n_res) +static void init_mips_load_store_attributes(ir_node *node, ir_entity *entity, + long offset) { - mips_attr_t *attr = get_mips_attr(node); + mips_load_store_attr_t *attr = get_irn_generic_attr(node); + attr->stack_entity = entity; + attr->offset = offset; +} - attr->flags = flags; - attr->out_req = out_reqs; +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); - attr->n_res = n_res; - attr->in_req = in_reqs; + if(a->flags != b->flags) + return 1; + if(ARR_LEN(a->slots) != ARR_LEN(b->slots)) + return 1; + if(a->switch_default_pn != b->switch_default_pn) + return 1; - memset(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_immediate_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_immediate_attr_t *a = get_mips_immediate_attr_const(node_a); + const mips_immediate_attr_t *b = get_mips_immediate_attr_const(node_b); + + if(a->attr.flags != b->attr.flags) + return 1; + if(a->val != b->val) + return 1; - return 1; + return 0; } -#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, get_irn_mode(node)); \ - 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, get_irn_mode(node)); \ - 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; \ +static int mips_compare_load_store_attr(ir_node *node_a, ir_node *node_b) +{ + 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); + + 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; + + return 0; } -MIPS_MAKE_IFOLDING_TRANSFORM(add, addi, 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_add->ops.transform_node = mips_transform_add; - 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); + + /* copy the attributes */ + memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node))); + + /* copy register assignments */ + attr_new->slots = DUP_ARR_D(arch_register_t*, obst, attr_old->slots); } /***************************************************************************************