X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_transform.h;h=78aff850e08b1148f7ebf88b20d99a0dccd5de1c;hb=fef8dc3eff6468d7d65485af8e1ac9884c504e1a;hp=76470ea0db6f9616e340e92b78b413c0e033b09a;hpb=eb3692350976be4efea32417a503d91f1a761ba9;p=libfirm diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h index 76470ea0d..78aff850e 100644 --- a/ir/be/ia32/ia32_transform.h +++ b/ir/be/ia32/ia32_transform.h @@ -1,54 +1,62 @@ -/** - * Function prototypes for Firm into ia32-Firm transformations. - * @author Christian Wuerdig - * $Id$ +/* + * 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. */ -#ifndef _IA32_TRANSFORM_H_ -#define _IA32_TRANSFORM_H_ - -#include "firm_config.h" -#include "bearch_ia32_t.h" - /** - * Transform firm nodes to x86 assembler nodes + * @file + * @brief This file implements the IR transformation from firm into ia32-Firm. + * @author Christian Wuerdig, Matthias Braun */ -void ia32_transform_graph(ia32_code_gen_t *cg); +#ifndef FIRM_BE_IA32_IA32_TRANSFORM_H +#define FIRM_BE_IA32_IA32_TRANSFORM_H -#if 0 -/** - * Enters all transform functions into the generic pointer - */ -void ia32_register_transformers(void); - -/** - * Transforms the given Firm node into one or more appropriate ia32 nodes. - */ -void ia32_transform_node(ir_node *node, void *env); -#endif +#include "bearch_ia32_t.h" /** - * The Psi selector can be a tree of compares combined with "And"s and "Or"s. - * We create a Set node, respectively a xCmp in case the Psi is a float, for each - * compare, which causes the compare result to be stores in a register. The - * "And"s and "Or"s are transformed later, we only adjust their mode. + * Transform firm nodes to x86 assembler nodes, ie + * do instruction selection. */ -void ia32_transform_psi_cond_tree(ir_node *node, void *env); +void ia32_transform_graph(ir_graph *irg); -#ifndef NDEBUG /** - * Prints the old node name on cg obst and returns a pointer to it. + * Some constants needed for code generation. + * Generated on demand. */ -const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn); -#endif /* NDEBUG */ - typedef enum { - ia32_SSIGN, ia32_DSIGN, ia32_SABS, ia32_DABS, ia32_known_const_max + ia32_SSIGN, /**< SSE2 single precision sign */ + ia32_DSIGN, /**< SSE2 double precision sign */ + ia32_SABS, /**< SSE2 single precision ABS mask */ + ia32_DABS, /**< SSE2 double precision ABS mask */ + ia32_ULLBIAS, /**< x87 ULL->float bias */ + ia32_known_const_max /**< last constant */ } ia32_known_const_t; /** * Generate a known floating point constant */ -ident *ia32_gen_fp_known_const(ia32_known_const_t kct); +ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct); + +/** + * Skip all Down-Conv's on a given node and return the resulting node. + */ +ir_node *ia32_skip_downconv(ir_node *node); -#endif /* _IA32_TRANSFORM_H_ */ +/** Initialize the ia32 instruction selector. */ +void ia32_init_transform(void); + +#endif