130 lines
4.3 KiB
C++
130 lines
4.3 KiB
C++
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* 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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* 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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* Authors:
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* Zack Rusin zack@tungstengraphics.com
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*/
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#ifndef INSTRUCTIONS_H
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#define INSTRUCTIONS_H
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#include <llvm/BasicBlock.h>
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#include <llvm/Module.h>
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#include <llvm/Value.h>
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#include <stack>
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namespace llvm {
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class VectorType;
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class Function;
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}
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class Instructions
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{
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public:
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Instructions(llvm::Module *mod, llvm::Function *func, llvm::BasicBlock *block);
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llvm::BasicBlock *currentBlock() const;
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llvm::Value *abs(llvm::Value *in1);
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llvm::Value *arl(llvm::Value *in1);
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llvm::Value *add(llvm::Value *in1, llvm::Value *in2);
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void beginLoop();
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void brk();
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llvm::Value *cross(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *dp3(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *dp4(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *dph(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *dst(llvm::Value *in1, llvm::Value *in2);
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void elseop();
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void endif();
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void endLoop();
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llvm::Value *ex2(llvm::Value *in);
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llvm::Value *floor(llvm::Value *in);
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llvm::Value *frc(llvm::Value *in);
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void ifop(llvm::Value *in);
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llvm::Value *lerp(llvm::Value *in1, llvm::Value *in2,
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llvm::Value *in3);
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llvm::Value *lit(llvm::Value *in);
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llvm::Value *lg2(llvm::Value *in);
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llvm::Value *madd(llvm::Value *in1, llvm::Value *in2,
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llvm::Value *in2);
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llvm::Value *min(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *max(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *mul(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *pow(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *rcp(llvm::Value *in);
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llvm::Value *rsq(llvm::Value *in);
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llvm::Value *sge(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *sgt(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *slt(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *sub(llvm::Value *in1, llvm::Value *in2);
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llvm::Value *trunc(llvm::Value *in);
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void printVector(llvm::Value *val);
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private:
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const char *name(const char *prefix);
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llvm::Value *callFAbs(llvm::Value *val);
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llvm::Value *callFloor(llvm::Value *val);
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llvm::Value *callFSqrt(llvm::Value *val);
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llvm::Value *callFLog(llvm::Value *val);
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llvm::Value *callPow(llvm::Value *val1, llvm::Value *val2);
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llvm::Value *vectorFromVals(llvm::Value *x, llvm::Value *y,
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llvm::Value *z, llvm::Value *w=0);
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llvm::Function *declarePrintf();
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private:
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llvm::Module *m_mod;
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llvm::Function *m_func;
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char m_name[32];
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llvm::BasicBlock *m_block;
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int m_idx;
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llvm::VectorType *m_floatVecType;
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llvm::Function *m_llvmFSqrt;
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llvm::Function *m_llvmFAbs;
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llvm::Function *m_llvmPow;
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llvm::Function *m_llvmFloor;
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llvm::Function *m_llvmFlog;
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llvm::Function *m_llvmLit;
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llvm::Constant *m_fmtPtr;
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std::stack<llvm::BasicBlock*> m_ifStack;
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struct Loop {
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llvm::BasicBlock *begin;
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llvm::BasicBlock *end;
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};
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std::stack<Loop> m_loopStack;
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};
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#endif
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