X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fmips%2Fmips_new_nodes.c;h=267dc8cb527702ff83915bc036713c70902b7661;hb=97c6f4665bc5071a86ece7fd9d6eaeeb30581bd3;hp=1fb0066669668fd41b29691093857c3bc327fe30;hpb=18dfdacb6faf2f93d4f6f9a6362584f8c7eb30a1;p=libfirm diff --git a/ir/be/mips/mips_new_nodes.c b/ir/be/mips/mips_new_nodes.c index 1fb006666..267dc8cb5 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 achitecture specific firm + * opcodes and the coresponding 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 +62,47 @@ * |_| ***********************************************************************************/ -/** - * 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) { char *dir = inout ? "out" : "in"; int max = inout ? get_mips_n_res(n) : get_irn_arity(n); - char *buf = alloca(1024); + 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); } } @@ -128,13 +115,13 @@ static void dump_reg_req(FILE *F, ir_node *n, const mips_register_req_t **reqs, * @param reason indicates which kind of information should be dumped * @return 0 on success or != 0 on failure */ -static int dump_node_mips(ir_node *n, FILE *F, dump_reason_t reason) { +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 arch_register_req_t **reqs; const arch_register_t **slots; switch (reason) { @@ -171,15 +158,15 @@ static int dump_node_mips(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); } @@ -211,9 +198,6 @@ static int dump_node_mips(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)); } @@ -221,8 +205,8 @@ static int dump_node_mips(ir_node *n, FILE *F, dump_reason_t reason) { 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)); + if(attr->symconst != NULL) { + fprintf(F, " symconst '%s'\n", get_entity_name(attr->symconst)); } fprintf(F, "=== mips attr end ===\n"); @@ -247,51 +231,52 @@ static int dump_node_mips(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(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 (mips_attr_t *)get_irn_generic_attr((ir_node *)node); + 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 +284,7 @@ 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; } @@ -308,14 +293,14 @@ 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); + 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; } @@ -324,7 +309,7 @@ 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 mips_attr_t *attr = get_mips_attr_const(node); return attr->slots; } @@ -332,10 +317,10 @@ const arch_register_t **get_mips_slots(const ir_node *node) { * 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 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]); @@ -345,10 +330,10 @@ 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); + 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]); @@ -358,49 +343,63 @@ 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 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. - */ -void set_mips_n_res(ir_node *node, int n_res) { - mips_attr_t *attr = get_mips_attr(node); - attr->n_res = n_res; -} - /** * 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; + const mips_attr_t *attr = get_mips_attr_const(node); + return ARR_LEN(attr->slots); } /** * 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) +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) { - mips_attr_t *attr = get_mips_attr(node); + ir_graph *irg = get_irn_irg(node); + struct obstack *obst = get_irg_obstack(irg); + mips_attr_t *attr = get_mips_attr(node); - attr->flags = flags; + attr->flags = flags; attr->out_req = out_reqs; + attr->in_req = in_reqs; - attr->n_res = n_res; - if(n_res) { - attr->slots = xcalloc(n_res, sizeof(attr->slots[0])); - } else { - attr->slots = NULL; - } - 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])); +} + +static +int mips_compare_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); + + if(a->tv != b->tv) + return 1; + if(a->symconst != b->symconst) + return 1; + if(a->stack_entity != b->stack_entity) + return 1; + 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; + + return 0; } /************************************************************************ @@ -412,6 +411,7 @@ void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, const mips_regi * |___/ ************************************************************************/ +#if 0 // test if a tarval can be expressed in a 16bit immediate value static int is_tarval_16(ir_node* node) { @@ -443,7 +443,7 @@ ir_node *mips_transform_##srcnode(ir_node* node) \ 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)); \ + 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; \ @@ -453,7 +453,7 @@ ir_node *mips_transform_##srcnode(ir_node* node) \ 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)); \ + 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; \ @@ -462,25 +462,26 @@ ir_node *mips_transform_##srcnode(ir_node* node) \ return node; \ } -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() { - op_mips_add->ops.transform_node = mips_transform_add; +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_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_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; } +#endif /*************************************************************************************** * _ _ _ @@ -492,9 +493,5 @@ void mips_init_opcode_transforms() { * ***************************************************************************************/ -static void mips_register_additional_opcodes(int n) { - /* we don't need any additional opcodes */ -} - /* Include the generated constructor functions */ #include "gen_mips_new_nodes.c.inl"