mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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335 lines
8.4 KiB
C
335 lines
8.4 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2008 Tungsten Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* PPC code generation.
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* \author Brian Paul
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*/
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#ifndef RTASM_PPC_H
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#define RTASM_PPC_H
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#include "pipe/p_compiler.h"
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#define PPC_INST_SIZE 4 /**< 4 bytes / instruction */
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#define PPC_NUM_REGS 32
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#define PPC_NUM_FP_REGS 32
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#define PPC_NUM_VEC_REGS 32
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/** Stack pointer register */
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#define PPC_REG_SP 1
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/** Branch conditions */
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#define BRANCH_COND_ALWAYS 0x14 /* binary 1z1zz (z=ignored) */
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/** Branch hints */
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#define BRANCH_HINT_SUB_RETURN 0x0 /* binary 00 */
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struct ppc_function
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{
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uint32_t *store; /**< instruction buffer */
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uint num_inst;
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uint max_inst;
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uint32_t reg_used; /** used/free general-purpose registers bitmask */
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uint32_t fp_used; /** used/free floating point registers bitmask */
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uint32_t vec_used; /** used/free vector registers bitmask */
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};
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extern void ppc_init_func(struct ppc_function *p);
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extern void ppc_release_func(struct ppc_function *p);
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extern uint ppc_num_instructions(const struct ppc_function *p);
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extern void (*ppc_get_func( struct ppc_function *p ))( void );
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extern void ppc_dump_func(const struct ppc_function *p);
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extern int ppc_reserve_register(struct ppc_function *p, int reg);
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extern int ppc_allocate_register(struct ppc_function *p);
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extern void ppc_release_register(struct ppc_function *p, int reg);
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extern int ppc_allocate_fp_register(struct ppc_function *p);
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extern void ppc_release_fp_register(struct ppc_function *p, int reg);
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extern int ppc_allocate_vec_register(struct ppc_function *p);
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extern void ppc_release_vec_register(struct ppc_function *p, int reg);
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/**
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** float vector arithmetic
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**/
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/** vector float add */
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extern void
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ppc_vaddfp(struct ppc_function *p,uint vD, uint vA, uint vB);
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/** vector float substract */
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extern void
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ppc_vsubfp(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float min */
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extern void
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ppc_vminfp(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float max */
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extern void
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ppc_vmaxfp(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float mult add: vD = vA * vB + vC */
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extern void
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ppc_vmaddfp(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
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/** vector float negative mult subtract: vD = vA - vB * vC */
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extern void
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ppc_vnmsubfp(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
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/** vector float compare greater than */
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extern void
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ppc_vcmpgtfpx(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float compare greater than or equal to */
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extern void
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ppc_vcmpgefpx(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float compare equal */
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extern void
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ppc_vcmpeqfpx(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector float 2^x */
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extern void
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ppc_vexptefp(struct ppc_function *p, uint vD, uint vB);
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/** vector float log2(x) */
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extern void
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ppc_vlogefp(struct ppc_function *p, uint vD, uint vB);
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/** vector float reciprocol */
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extern void
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ppc_vrefp(struct ppc_function *p, uint vD, uint vB);
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/** vector float reciprocol sqrt estimate */
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extern void
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ppc_vrsqrtefp(struct ppc_function *p, uint vD, uint vB);
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/** vector float round to negative infinity */
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extern void
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ppc_vrfim(struct ppc_function *p, uint vD, uint vB);
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/** vector float round to positive infinity */
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extern void
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ppc_vrfip(struct ppc_function *p, uint vD, uint vB);
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/** vector float round to nearest int */
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extern void
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ppc_vrfin(struct ppc_function *p, uint vD, uint vB);
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/** vector float round to int toward zero */
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extern void
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ppc_vrfiz(struct ppc_function *p, uint vD, uint vB);
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/** vector store: store vR at mem[vA+vB] */
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extern void
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ppc_stvx(struct ppc_function *p, uint vR, uint vA, uint vB);
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/** vector load: vR = mem[vA+vB] */
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extern void
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ppc_lvx(struct ppc_function *p, uint vR, uint vA, uint vB);
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/** load vector element word: vR = mem_word[vA+vB] */
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extern void
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ppc_lvewx(struct ppc_function *p, uint vR, uint vA, uint vB);
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/**
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** vector bitwise operations
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**/
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/** vector and */
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extern void
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ppc_vand(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector and complement */
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extern void
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ppc_vandc(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector or */
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extern void
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ppc_vor(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector nor */
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extern void
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ppc_vnor(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** vector xor */
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extern void
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ppc_vxor(struct ppc_function *p, uint vD, uint vA, uint vB);
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/** Pseudo-instruction: vector move */
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extern void
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ppc_vmove(struct ppc_function *p, uint vD, uint vA);
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/** Set vector register to {0,0,0,0} */
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extern void
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ppc_vzero(struct ppc_function *p, uint vr);
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/**
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** Vector shuffle / select / splat / etc
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**/
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/** vector permute */
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extern void
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ppc_vperm(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
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/** vector select */
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extern void
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ppc_vsel(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC);
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/** vector splat byte */
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extern void
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ppc_vspltb(struct ppc_function *p, uint vD, uint vB, uint imm);
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/** vector splat half word */
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extern void
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ppc_vsplthw(struct ppc_function *p, uint vD, uint vB, uint imm);
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/** vector splat word */
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extern void
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ppc_vspltw(struct ppc_function *p, uint vD, uint vB, uint imm);
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/** vector splat signed immediate word */
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extern void
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ppc_vspltisw(struct ppc_function *p, uint vD, int imm);
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/** vector shift left word: vD[word] = vA[word] << (vB[word] & 0x1f) */
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extern void
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ppc_vslw(struct ppc_function *p, uint vD, uint vA, uint vB);
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/**
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** scalar arithmetic
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**/
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extern void
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ppc_add(struct ppc_function *p, uint rt, uint ra, uint rb);
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extern void
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ppc_addi(struct ppc_function *p, uint rt, uint ra, int imm);
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extern void
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ppc_addis(struct ppc_function *p, uint rt, uint ra, int imm);
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extern void
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ppc_and(struct ppc_function *p, uint rt, uint ra, uint rb);
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extern void
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ppc_andi(struct ppc_function *p, uint rt, uint ra, int imm);
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extern void
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ppc_or(struct ppc_function *p, uint rt, uint ra, uint rb);
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extern void
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ppc_ori(struct ppc_function *p, uint rt, uint ra, int imm);
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extern void
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ppc_xor(struct ppc_function *p, uint rt, uint ra, uint rb);
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extern void
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ppc_xori(struct ppc_function *p, uint rt, uint ra, int imm);
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extern void
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ppc_mr(struct ppc_function *p, uint rt, uint ra);
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extern void
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ppc_li(struct ppc_function *p, uint rt, int imm);
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extern void
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ppc_lis(struct ppc_function *p, uint rt, int imm);
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extern void
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ppc_load_int(struct ppc_function *p, uint rt, int imm);
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/**
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** scalar load/store
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**/
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extern void
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ppc_stwu(struct ppc_function *p, uint rs, uint ra, int d);
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extern void
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ppc_stw(struct ppc_function *p, uint rs, uint ra, int d);
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extern void
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ppc_lwz(struct ppc_function *p, uint rs, uint ra, int d);
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/**
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** Float (non-vector) arithmetic
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**/
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extern void
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ppc_fadd(struct ppc_function *p, uint frt, uint fra, uint frb);
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extern void
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ppc_fsub(struct ppc_function *p, uint frt, uint fra, uint frb);
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extern void
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ppc_fctiwz(struct ppc_function *p, uint rt, uint ra);
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extern void
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ppc_stfs(struct ppc_function *p, uint frs, uint ra, int offset);
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extern void
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ppc_stfiwx(struct ppc_function *p, uint frs, uint ra, uint rb);
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extern void
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ppc_lfs(struct ppc_function *p, uint frt, uint ra, int offset);
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/**
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** branch instructions
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**/
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extern void
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ppc_blr(struct ppc_function *p);
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void
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ppc_bclr(struct ppc_function *p, uint condOp, uint branchHint, uint condReg);
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extern void
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ppc_return(struct ppc_function *p);
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#endif /* RTASM_PPC_H */
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