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/**************************************************************************
*
* Copyright (C) 2008 Tungsten Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* PPC code generation.
* \author Brian Paul
*/
#ifndef RTASM_PPC_H
#define RTASM_PPC_H
#include "pipe/p_compiler.h"
#define PPC_INST_SIZE 4 /**< 4 bytes / instruction */
#define PPC_NUM_VEC_REGS 32
struct ppc_function
{
uint32_t *store; /**< instruction buffer */
uint num_inst;
uint max_inst;
uint32_t vec_used; /** used/free vector registers bitmask */
uint32_t reg_used; /** used/free general-purpose registers bitmask */
};
extern void ppc_init_func(struct ppc_function *p, unsigned max_inst);
extern void ppc_release_func(struct ppc_function *p);
extern int ppc_allocate_vec_register(struct ppc_function *p, int reg);
extern void ppc_release_vec_register(struct ppc_function *p, int reg);
/**
** float vector arithmetic
**/
/** vector float add */
extern void
ppc_vaddfp(struct ppc_function *p,uint vD, uint vA, uint vB);
/** vector float substract */
extern void
ppc_vsubfp(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float min */
extern void
ppc_vminfp(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float max */
extern void
ppc_vmaxfp(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float mult add */
extern void
ppc_vmaddfp(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
/** vector float compare greater than */
extern void
ppc_vcmpgtfpx(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float compare greater than or equal to */
extern void
ppc_vcmpgefpx(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float compare equal */
extern void
ppc_vcmpeqfpx(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector float 2^x */
extern void
ppc_vexptefp(struct ppc_function *p, uint vD, uint vB);
/** vector float log2(x) */
extern void
ppc_vlogefp(struct ppc_function *p, uint vD, uint vB);
/** vector float reciprocol */
extern void
ppc_vrefp(struct ppc_function *p, uint vD, uint vB);
/** vector float reciprocol sqrt estimate */
extern void
ppc_vrsqrtefp(struct ppc_function *p, uint vD, uint vB);
/** vector float round to negative infinity */
extern void
ppc_vrfim(struct ppc_function *p, uint vD, uint vB);
/** vector float round to positive infinity */
extern void
ppc_vrfip(struct ppc_function *p, uint vD, uint vB);
/** vector float round to nearest int */
extern void
ppc_vrfin(struct ppc_function *p, uint vD, uint vB);
/** vector float round to int toward zero */
extern void
ppc_vrfiz(struct ppc_function *p, uint vD, uint vB);
/**
** bitwise operations
**/
/** vector and */
extern void
ppc_vand(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector and complement */
extern void
ppc_vandc(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector or */
extern void
ppc_vor(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector nor */
extern void
ppc_vnor(struct ppc_function *p, uint vD, uint vA, uint vB);
/** vector xor */
extern void
ppc_vxor(struct ppc_function *p, uint vD, uint vA, uint vB);
/**
** Vector shuffle / select / splat / etc
**/
/** vector permute */
extern void
ppc_vperm(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
/** vector select */
extern void
ppc_vsel(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
/** vector splat byte */
extern void
ppc_vspltb(struct ppc_function *p, uint vD, uint vB, uint imm);
/** vector splat half word */
extern void
ppc_vsplthw(struct ppc_function *p, uint vD, uint vB, uint imm);
/** vector splat word */
extern void
ppc_vspltw(struct ppc_function *p, uint vD, uint vB, uint imm);
#endif /* RTASM_PPC_H */
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