X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_transform.h;h=bd8dd2e2bae89233f7a04cb85f1f5d8a055dfbf5;hb=9e453a831d94e7ad329d16bfd5fe7a9476882905;hp=afb839a670cc24264069af839410e953f755e2d7;hpb=8cb8fe7d9d69a9bd06365823d5d5f68d051f6db0;p=libfirm diff --git a/ir/be/ia32/ia32_transform.h b/ir/be/ia32/ia32_transform.h index afb839a67..bd8dd2e2b 100644 --- a/ir/be/ia32/ia32_transform.h +++ b/ir/be/ia32/ia32_transform.h @@ -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. * @@ -26,31 +26,25 @@ #ifndef FIRM_BE_IA32_IA32_TRANSFORM_H #define FIRM_BE_IA32_IA32_TRANSFORM_H -#include "firm_config.h" #include "bearch_ia32_t.h" /** - * Transform firm nodes to x86 assembler nodes + * Transform firm nodes to x86 assembler nodes, ie + * do instruction selection. */ void ia32_transform_graph(ia32_code_gen_t *cg); /** - * 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. + * Some constants needed for code generation. + * Generated on demand. */ -void ia32_transform_psi_cond_tree(ir_node *node, void *env); - -#ifndef NDEBUG -/** - * Prints the old node name on cg obst and returns a pointer to it. - */ -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; /** @@ -58,4 +52,12 @@ typedef enum { */ ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct); -#endif /* FIRM_BE_IA32_IA32_TRANSFORM_H */ +/** + * Skip all Down-Conv's on a given node and return the resulting node. + */ +ir_node *ia32_skip_downconv(ir_node *node); + +/** Initialize the ia32 instruction selector. */ +void ia32_init_transform(void); + +#endif